PI3K

Signaling Pathway Map

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Inhibitory Selectivity

Isoform-specific Inhibitors

PI3K Products

All (79) PI3K Inhibitors (78) PI3K Activators (1) New PI3K Products

Catalog No.	Information	Product Use Citations	Product Validations
S1009	Dactolisib (BEZ235) Dactolisib (BEZ235, NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3^TopBP1-ER cell.	Cell, 2019, 36(2):179-193 Cancer Cell, 2019, 35(5):752-766 Cancer Cell, 2019, 36(2):179-193	Three-dimensional responses of MCF7/IGF-1R cells to TAM (1 μM), E2 and IGF-1. Compared to parental MCF7 cells (a), MCF7/IGF-1R cells (b) in three-dimensional (3D) culture formed bigger acini in response to IGF-1 stimulation and displayed significant TAM resistance when treated with TAM (1 μM) + E2 + IGF-1, which was removable by kinase inhibitors BMS-536924, U0126 and BEZ235 (c). Cells (10,000/well) were seeded in 96-well plates. Acini were formed on 100% Matrigel and cultured for 14 days in starving medium containing 2% Matrigel and 5% charcoal/dextran-stripped fetal bovine serum with the treatments as indicated. Concentrations used: TAM (1 μM), E2 (1 nM) and IGF-1 (100 ng/mL). Confocal image original magnification, × 20. Red, rhodamine phalloidin (actin). Blue, Hoechst blue stain. Results are representative of two individual experiments.
S1065	Pictilisib (GDC-0941) Pictilisib (GDC-0941) is a potent inhibitor of PI3Kα/δ with IC50 of 3 nM in cell-free assays, with modest selectivity against p110β (11-fold) and p110γ (25-fold). Phase 2.	Eur J Pharmacol, 2020, 873:172981 Nat Med, 2019, 25(5):838-849 Nat Commun, 2019, 10(1):2532	TGF-β induces mTORC2 activation. ( A ) NMuMG cells were treated with TGF-β for the indicated times before lysis and immunoblotting. (B ) NMuMG cells were treated or not with TGF-β for the indicated times, in the presence or absence of SB431542 or LY294002. Cell lysates were subjected to anti-Rictor immunoprecipitation, and the immunoprecipitates were subjected to in vitro kinase assays using kinase-inactive Akt1 as a substrate, before immunoblotting of the kinase reactions, immunoprecipitates and cell lysates. The left panels are from the same gel, without differential exposure. ( C ) NMuMG cells were treated or not with TGF-β or insulin for the indicated times, in the presence or absence of SB431542 or GDC-0941. The kinase activity of mTORC2 was then assessed as in B. The top panels are from the same gel, without differential exposure. (D) NMuMG cells were treated or not with TGF-β for the indicated times, in the presence or absence of SB431542 or LY294002. Cell lysates were subjected to immunoprecipitation using Rictor antibody, and/or immunoblotted.
S1105	LY294002 LY294002 is the first synthetic molecule known to inhibit PI3Kα/δ/β with IC50 of 0.5 μM/0.57 μM/0.97 μM, respectively; more stable in solution than Wortmannin, and also blocks autophagosome formation. It not only binds to class I PI3Ks and other PI3K-related kinases, but also to novel targets seemingly unrelated to the PI3K family.	Cell Mol Immunol, 2020, 10.1038/s41423-019-0345-7 Toxicol Appl Pharmacol, 2020, 387:114848 J Ethnopharmacol, 2020, 246:112218	Inhibition of PI3K, ERK and mTOR prevents the activation of S6K1 and S6 induced by suppression of PKD1 activity. A549 cells were incubated in the absence (-) or presence of either 5 uM Kb or 5 uM Kb and 20 uM LY294002 or 5 uM Kb and 10 uM BKM120 (as indicated) for 1 h prior to stimulation of cells with 50 nM PMA for 30 min and 1 h.
S2226	Idelalisib (CAL-101, GS-1101) Idelalisib (CAL-101, GS-1101) is a selective p110δ inhibitor with IC50 of 2.5 nM in cell-free assays; shown to have 40- to 300-fold greater selectivity for p110δ than p110α/β/γ, and 400- to 4000-fold more selectivity to p110δ than C2β, hVPS34, DNA-PK and mTOR.	Haematologica, 2020, 10.3324/haematol.2019.227215 Oncogene, 2020, 10.1038/s41388-020-1183-x Nat Mater, 2019, 18(8):892-904	293T cells were transfected with HA-tagged Fbxo45. At 48 h after transfection, cells were treated with AKT inhibitor (CAL-101; 10 uM, 4 h), cell extracts from the cytoplasm or nuclei were subjected to IP with anti-HA resin followed by western blot analysis with indicated antibodies.
S2247	Buparlisib (BKM120) Buparlisib (BKM120, NVP-BKM120) is a selective PI3K inhibitor of p110α/β/δ/γ with IC50 of 52 nM/166 nM/116 nM/262 nM in cell-free assays, respectively. Reduced potency against VPS34, mTOR, DNAPK, with little activity to PI4Kβ. Phase 2.	Science, 2019, 364(6441) Nat Cell Biol, 2019, 21(2):226-237 Nat Commun, 2019, 10(1):259	AN3CA (A) and JHUEM2 (B) cells were treated for the indicated times with DMSO, 0.3 μM BGJ398 (BGJ), 0.3 μM GDC-0941 (GDC), 0.6 μM BYL719 (BYL) and 0.6 μM BKM120 (BKM) alone or in combination. Cell lysates were immunoblotted with antibodies for phospho-AKT (Ser473), total AKT, phospho-ERK (Thr202/Tyr204), ERK2, phospho-S6 (Ser240/244), total S6, phospho-4EBP1 (Thr37/46), total 4EBP1, total PARP and cleaved PARP. Tubulin was detected as the loading control. Western blot analysis of AN3CA and JHUEM2.
S8948^New	SRX3207 SRX3207 is a novel dual Syk-PI3K inhibitor with IC50 of 39.9 nM, 31200 nM, 3070 nM, 3070 nM, 244 nM, 388 nM, 9790 nM for Syk, Zap70, BRD41, BRD42, PI3K alpha, PI3K delta, PI3K gamma, respectively. SRX3207 can relieve tumor immunosuppression.
S6541^New	MTX-211 MTX-211 is a first-in-class dual inhibitor of PI3K and EGFR kinase.
S6516^New	GNE-477 GNE-477 is a potent and efficacious dual PI3K/mTOR inhibitor with an IC50 of 4 nM for PI3Kα and K_iapp of 21 nM for mTOR.
S8693^New	Selective PI3Kδ Inhibitor 1 (compound 7n) Selective PI3Kδ Inhibitor 1 (compound 7n) is an inhibitor of PI3Kδ with an IC50 of 0.9 nM and >1000-fold selectivity against other class I PI3K isoforms [PI3K α/γ/β=3670/1460/21300 nM].
S1038	PI-103 PI-103 is a multi-targeted PI3K inhibitor for p110α/β/δ/γ with IC50 of 2 nM/3 nM/3 nM/15 nM in cell-free assays, less potent to mTOR/DNA-PK with IC50 of 30 nM/23 nM.	Cancer Cell, 2019, 36(2):179-193 Cell, 2019, 36(2):179-193 Gastroenterology, 2019, 157(6):1615-1629	We treated all of drugs in T47D which has a PI3KCA H1044R mutation with the concentration shown below for 1 hour and performed western blot analysis using antibodies to phospho-AKT(SERINE 472), and total AKT.
S2638	NU7441 (KU-57788) NU7441 (KU-57788) is a highly potent and selective DNA-PK inhibitor with IC50 of 14 nM and also inhibits PI3K with IC50 of 5 μM in cell-free assays. It reduces the frequency of NHEJ while increasing the rate of HDR following Cas9-mediated DNA cleavage.	Nucleic Acids Res, 2020, 48(2):736-747 Nature, 2019, 74(7779):571-574 Cancer Cell, 2019, 36(2):179-193	Validation of activity and specificity of chemical inhibitors of; ATM, ATR, and DNAPK. H460 cells were treated with 1 uM camptothecin (CPT) or 20 ug/ml bleomycin for 1 h in the presence of the indicated inhibitors: DNAPK-i1—NU7026, DNAPK-i2—NU7441. MSH6, fibrillarin, and tubulin were used as loading controls.Effects of DNAPK inhibitors on its autophosphorylation in bleomycin-treated cells.
S1169	TGX-221 TGX-221 is a p110β-specific inhibitor with IC50 of 5 nM in a cell-free assay, 1000-fold more selective for p110β than p110α.	Cell Metab, 2019, 29(6):1400-1409 Gastroenterology, 2019, 157(6):1615-1629 Cancer Res, 2019, 79(7):1520-1534	A p110β-selective antagonist rescues increased protein synthesis in synaptic fractions from Fmr1 KO mice and in LCLs from a patient with FXS. (A–C) Treatment of synaptoneurosomes with TGX-221 (1 μmol/L, 30 min) reduces p110β-specific PI3K activity and phosphorylation of the downstream target AKT in both WT and Fmr1 KO SNS, shown by a radioactive PI3K assay and phosphoAkt- specific western blot-ting (A). (B) Quantification of PI3K activity using a competitive ELISA showed a significant reduction in PI3K activity in both genotypes after treatment [ n = 4, 2-way ANOVA, P (genotype) = 0.0086, P (treatment) = 0.0087, P (interaction) = 0.7154]. (C) Densitometric quantification of phosphoAkt-specific western blots showed a significant effect of treatment (C, n = 4, 2-way ANOVA, *P (treatment) = 0.0005, P (genotype) =0.372, P (interaction) = 0.4894).
S1268	IC-87114 IC-87114 is a selective PI3Kδ inhibitor with IC50 of 0.5 μM in a cell-free assay, 58-fold more selective for PI3Kδ than PI3Kγ, and over 100-fold more selective than PI3Kα/β.	Cells, 2019, 8(10) Int J Oncol, 2018, 52(3):828-840 Am J Transplant, 2016, 16(9):2624-38
S2758	Wortmannin Wortmannin is the first described PI3K inhibitor with IC50 of 3 nM in a cell-free assay, with little selectivity within the PI3K family. Also blocks autophagosome formation and potently inhibits DNA-PK/ATM with IC50 of 16 nM and 150 nM in cell-free assays.	Cell, 2019, 176(6):1379-1392 Nat Cell Biol, 2019, 21(2):226-237 Adv Sci (Weinh), 2019, 6(8):1801233	L3.6pl cells at 6,000 cells per well were incubated in MEM with 5% FBS in triplicate in a 96-well culture plate and then treated alone with 5 umol/L BMS-777607, 10 umol/L wortmannin, or with BMS-777607 in combination with individual inhibitors. Polyploidy was examined under BK71 Olympus microscope and photographed 72 hours after treatment.
S1118	XL147 analogue XL147 analogue is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM in cell-free assays, less potent to PI3Kβ. Phase 1/2.	Oncogene, 2015, 10.1038/onc.2015.143 Cancer Res, 2014, 74(18):5184-94 PLoS One, 2014, 9(8):e105280	Breast cancer cells were pretreated with 100ng/ml EGF for 20 min and then treated with the indicated concentrations of XL147 for 24 hours.
S1072	ZSTK474 ZSTK474 inhibits class I PI3K isoforms with IC50 of 37 nM in a cell-free assay, mostly PI3Kδ. Phase1/2.	Cell, 2019, 177(4):896-909 Cell Death Dis, 2019, 10(5):358 Leukemia, 2018, 32(1):159-167	Representative Western blot of Erk1/2, phospho-Erk1/2, Akt, phospho-Akt antibodies in BCPAP, K1 and 8505C cells treated at 4 h using IC50 doses. 1, cells untreated; 2, cells treated with RAF265; 3, cells treated with ZSTK474; 4, cells treated with SB590885; 5, cells treated with RAF265+ZSTK474; 6, cells treated with SB590885+ZSTK474.
S2814	Alpelisib (BYL719) Alpelisib (BYL719) is a potent and selective PI3Kα inhibitor with IC50 of 5 nM in a cell-free assay, and minimal effect on PI3Kβ/γ/δ. Phase 2.	Science, 2019, 364(6441) Nat Med, 2019, 25(5):838-849 Nat Genet, 2019, 51(2):207-216	BYL719 induces Apoptosis in MM cells. The effect of increasing concentrations of BYL719 (0-2.5 umol/l) for 48 h on the apoptosis of MM1s cells. The effect of BYL719 on the apoptosis signalling; cleaved PARP, caspase 3, caspase 9 by Western blotting. MM, multple myeloma.
S1410	AS-605240 AS-605240 selectively inhibits PI3Kγ with IC50 of 8 nM, over 30-fold and 7.5-fold more selective for PI3Kγ than PI3Kδ/β and PI3Kα in cell-free assays, respectively.	Cell Rep, 2019, 27(2):631-647 Neuroscience, 2019, 415:107-120 Molecules, 2019, 24(7)	After starved in serum-free medium for 24 h, Breast cancer cells incubated with the indicated concentrations of AS-605240 for 3 h,followed by 15-minute stimolation of 100ng/ml EGF
S1205	PIK-75 HCl PIK-75 HCl is a p110α inhibitor with IC50 of 5.8 nM (200-fold more potently than p110β), isoform-specific mutants at Ser773, and also potently inhibits DNA-PK with IC50 of 2 nM in cell-free assays.	Cancer Cell, 2019, 35(5):752-766 Cell Metab, 2019, 29(6):1400-1409 J Thorac Oncol, 2019, 10.1016/j.jtho.2019.10.009	A549 cells were treated with DMSO or PIK-75 (200 nM) for 1 h and subsequently stimulated with izTRAIL for 24 h. Long-term survival was visualized after 7 days by crystal violet staining. One of two independent experiments is shown.
S2767	3-Methyladenine (3-MA) 3-Methyladenine (3-MA) is a selective PI3K inhibitor for Vps34 and PI3Kγ with IC50 of 25 μM and 60 μM in HeLa cells; blocks class I PI3K consistently, whereas suppression of class III PI3K is transient, and also blocks autophagosome formation. Solutions of 3-MA are best fresh-prepared by heating.	J Cell Physiol, 2020, 235(2):1531-1542 Int J Biol Sci, 2020, 16(1):147-161 Biomed Pharmacother, 2020, 121:109139	granulosa cells (GCs) with 24 h of melatonin (10 μM) treatment were rinsed in PBS, and then exposed to H2O2 (200 μM) for 2 h. The autophagy inhibitor 3-MA (10 mM), or the apoptosis inhibitor Z-VAD-FMK (50 μM) were added 1 h prior to H2O2 incubation. Cell viability was determined using the CCK-8 assay. Data represent mean ± S.E; n = 3 in each group. P < 0.05 (*P < 0.01) vs. vehicle group at 0 h. # Represents P < 0.05 (## Represents P < 0.01) vs. H2O2-only-treated cells. & Represents P > 0.05 vs. H2O2-only-treated cells. N, not significant, P > 0.05. δ Represents P < 0.05 (δδ Represents P < 0.01) vs. Z-VAD-FMK-treated cells.
S2636	A66 A66 is a potent and specific p110α inhibitor with IC50 of 32 nM in a cell-free assay, >100 fold selectivity for p110α over other class-I PI3K isoforms.	Nat Commun, 2019, 10(1):2532 Leukemia, 2019, 10.1038/s41375-019-0556-z Int J Cancer, 2019, 145(3):817-829	After starved in serum-free medium for 24h,A549 cells incubated with the indicated concentrations of A66 for 3h,followed by 20-minute stimolation of 100ng/ml EGF.
S1523	Voxtalisib (XL765) Analogue Voxtalisib (SAR245409, XL765) Analogue is a dual inhibitor of mTOR/PI3K, mostly for p110γ with IC50 of 9 nM; also inhibits DNA-PK and mTOR. Phase 1/2.	Cell Rep, 2015, 11(3):446-59 Mol Cancer Res, 2014, 12(5):703-13 Am J Transl Res, 2014, 6(5):471-493	The TMZ/XL765 combination decreases serum GH and PRL of mice bearing GH3 xenografts. A and B, After treatment with DMSO, TMZ, XL765, or the XL765/TMZ combination, the blood of the nude mice xenograft with GH3 tumor was collected and serum rat-GH and rat-PRL were measured by IRMA (TMZ/XL765 combination vs TMZ or XL765 alone: ***P <.001).
S2658	Omipalisib (GSK2126458) Omipalisib (GSK2126458, GSK458) is a highly selective and potent inhibitor of p110α/β/δ/γ, mTORC1/2 with K_i of 0.019 nM/0.13 nM/0.024 nM/0.06 nM and 0.18 nM/0.3 nM in cell-free assays, respectively. Phase 1.	Nat Commun, 2020, 11(1):71 J Thorac Oncol, 2019, 14(6):1061-1076 J Thorac Oncol, 2019, 14(6):1061-1076
S1187	PIK-90 PIK-90 is a PI3Kα/γ/δ inhibitor with IC50 of 11 nM/18 nM/58 nM, respectively, less potent to PI3Kβ.	Int J Oncol, 2018, 52(3):828-840 Oncotarget, 2016, 7(36):57525-57544 Exp Mol Med, 2015, 47:e143	Tyr(P)^Irs1 determined in CHO^IR/Irs1 cells treated with kinase inhibitors. Cells were treated for 30 min without or with PIK-90 at concentrations increasing sequentially 2-fold between the boundaries shown in Fig. 4 before incubation with insulin (30 nM, 30 min). Cleared lysates were subject to immunoblotting with antibodies against Irs1 or Tyr(P). The bands were quantified on a Kodak Image Station 4000MM Pro, and the data were analyzed using Carestream Molecular Imaging software version 5.0.
S1462	AZD6482 AZD6482 is a PI3Kβ inhibitor with IC50 of 10 nM, 8-, 87- and 109-fold more selective to PI3Kβ than PI3Kδ, PI3Kα and PI3Kγ in cell-free assays. Phase 1.	Nat Commun, 2019, 10(1):2532 Molecules, 2019, 24(3) Cell Death Dis, 2018, 9(10):944	Cells treated with either control or INPP4B siRNA and following a 1-hour treatment with either DMSO or 1 mmol/L inhibitor; pPRAS40T246 and total PRAS40 were run on a separate blot for which the bottom Ku-86 panel is the loading control(pan-PI3Ki: GDC-0941, PI3K-ai: BYL719,PI3K-bi: AZD6482)
S2743	PF-04691502 PF-04691502 is an ATP-competitive PI3K(α/β/δ/γ)/mTOR dual inhibitor with K_i of 1.8 nM/2.1 nM/1.6 nM/1.9 nM and 16 nM in cell-free assays, little activity against either Vps34, AKT, PDK1, p70S6K, MEK, ERK, p38, or JNK. Phase 2.	Cancer Biol Med, 2019, 16(2):264-275 PLoS One, 2018, 13(8):e0200725 Onco Targets , 2018, 11:943-953	BMDMs from WT animals were treated with different concentrations of PI3K inhibitors (500 nmol/L PF4691502, PI-103, BKM120 and 25 μmol/L SF1126) followed by hypoxia for 4 hours for Western blots. These macrophages were either used for lysate preparation (nuclear extracts for HIFα or WCE for pAKT and AKT) and Western blot analysis.
S2696	Apitolisib (GDC-0980) Apitolisib (GDC-0980, RG7422) is a potent, class I PI3K inhibitor for PI3Kα/β/δ/γ with IC50 of 5 nM/27 nM/7 nM/14 nM in cell-free assays, respectively. Also a mTOR inhibitor with K_i of 17 nM in a cell-free assay, and highly selective versus other PIKK family kinases. Phase 2.	Cell Death Dis, 2019, 10(3):231 J Cancer Res Clin Oncol, 2019, 145(12):2921-2936 J Immunol, 2018, 201(2):406-416	Immunoblots from AR + TNBC cell lines treated with either CDX (25 uM), GDC-0941 (300 nM) or GDC0980 (100 nM) as single agents or CDX in combination with either GDC-0941 or GDC-0980 for 48 h analyzed for AR, p-AKT, AKT, p-S6, S6 and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) protein.
S1360	GSK1059615 GSK1059615 is a dual inhibitor of PI3Kα/β/δ/γ (reversible) and mTOR with IC50 of 0.4 nM/0.6 nM/2 nM/5 nM and 12 nM, respectively. Phase 1.	Cell Rep, 2019, 27(3):820-834 Biochem Pharmacol, 2019, 169:113640 Int J Oncol, 2018, 52(3):828-840	Breast cancer cells were pretreated with 100ng/ml EGF for 15 min and then treated with the indicated concentrations of GSK1059615 for 24 hours.
S7028	Duvelisib (IPI-145) Duvelisib (IPI-145, INK1197) is a novel and selective PI3K δ/γ inhibitor with K_i and IC50 of 23 pM/243 pM and 1 nM/50 nM in cell-free assays, highly selective for PI3K δ/γ than other protein kinases. Phase 3.	Leukemia, 2019, 10.1038/s41375-019-0486-9 Cell Rep, 2019, 27(2):631-647 Haematologica, 2019, 10.3324/haematol.2019.216218	PI3K inhibitor IPI-145 demonstrated to be effective on ALL-SIL cells,showed an IC50 in the lower micromolar range.
S2628	Gedatolisib (PKI-587) Gedatolisib (PF-05212384, PKI-587) is a highly potent dual inhibitor of PI3Kα, PI3Kγ and mTOR with IC50 of 0.4 nM, 5.4 nM and 1.6 nM in cell-free assays, respectively. Phase 2.	Oncogene, 2019, 38(49):7433-7446 Cancers (Basel), 2019, 11(6) Am J Transl Res, 2019, 11(8):5134-5149	PI3K inhibitors promote apoptosis in checkpoint-defective cell lines. Two checkpoint-functional (A2058, D28) and three defective (HT144, D20, SKMel13) melanoma cell lines growth as tumour spheres as in Figure 4B were either untreated or treated with 5 uM PF-05212384 for 72 h, harvested and immunoblotted for pAkt Ser473.
S1352	TG100-115 TG100-115 is a PI3Kγ/δ inhibitor with IC50 of 83 nM/235 nM, with little effect on PI3Kα/β. Phase 1/2.	Adv Sci (Weinh), 2019, 6(12):1900327 Int J Oncol, 2018, 52(3):828-840 Biochim Biophys Acta, 2017, 1861(4):947-957	We treated all of drugs in T47D which has a PI3KCA H1044R mutation with the concentration shown below for 1 hour and performed western blot analysis using antibodies to phospho-AKT(SERINE 472), and total AKT.
S2671	AS-252424 AS-252424 is a novel, potent PI3Kγ inhibitor with IC50 of 30 nM in a cell-free assay with 30-fold selectivity for PI3Kγ than PI3Kα, and low inhibitory activity towards PI3Kδ/β.	PLoS One, 2018, 13(5):e0193849 Inflammation, 2017, 40(2):435-441 Immunol Res, 2015, 10.1007/s12026-015-8648-y	Effects of AS252424 on KL-induced cPLA 2 phosphorylation in BMMCs. BMMCs were pre-incubated with AS252424 for 1 h followed by stimulation with KL for 15 min. The phosphorylation of cPLA 2 was evaluated via immunoblot analysis. Results are representative of three independent experiments.P<0.05, P<0.01, **P<0.001 and ### P<0.001, compared with BMMCs with KL induction but without pretreatment by AS252424.
S2749	BGT226 maleate (NVP-BGT226 maleate) BGT226 (NVP-BGT226) is a novel class I PI3K/mTOR inhibitor for PI3Kα/β/γ with IC50 of 4 nM/63 nM/38 nM. Phase 1/2.	Oncotarget, 2016, 7(34):55690-55703 Oncotarget, 2016, 7(48):79842-79853 Mol Cancer Ther, 2015, 14(8):1928-38	IGROV1-R10 cells were treated with BGT266(250nM) for 8 h.The effect of BGT226 on PI3K/Akt/mTOR pathway activation (A) and on expression of Mcl-1 and Bim (B).
S2759	Fimepinostat（CUDC-907） CUDC-907 is a dual PI3K and HDAC inhibitor for PI3Kα and HDAC1/2/3/10 with IC50 of 19 nM and 1.7 nM/5 nM/1.8 nM/2.8 nM, respectively. Phase 1.	Cancer Chemother Pharmacol, 2020, 10.1007/s00280-019-04022-x Gastroenterology, 2019, 157(6):1615-1629 Haematologica, 2019, 104(11):2225-2240	Representative Oil Red O staining of lipid-filled mature adipocytes on day 7 for uninduced cells (a), adipocyteinduced hMSCs exposed to the vehicle control (b) or CUDC-907-treated cells (500 nM) (c). Nile red staining (d and e) on day 7 of post-adipocytic induction in hMSCs and after exposure to CUDC-907. Images were captured at ×20 magnification using the FLoid Cell Imaging Station. The level of Nile red staining was quantified using the Molecular Devices M5 Microplate Reader (f). Data are presented as mean ± S.E (n = 16) from three independent experiments, ***P <0.0005.
S2227	PIK-294 PIK-294 is a highly selective p110δ inhibitor with IC50 of 10 nM, 1000-, 49- and 16-fold less potent to PI3Kα/β/γ, respectively.	Cell Metab, 2019, 29(6):1400-1409 Mol Cell Biol, 2012, 32(12):2268-78	After starved in serum-free medium for 24 h,A549 cells incubated with the indicated concentrations of PIK-294 for 3 h,followed by 20-minute stimolation of 100ng/ml EGF.
S2681	AS-604850 AS-604850 is a selective, ATP-competitive PI3Kγ inhibitor with IC50 of 250 nM, over 80-fold selectivity for PI3Kγ than PI3Kδ/β, and 18-fold more selective for PI3Kγ than PI3Kα.	Mol Biol Cell, 2019, 30(18):2367-2376 Nature, 2017, 542(7642):489-493 J Biol Chem, 2014, 289(46):32109-20	Representative blots of activated Rac1 and total Rac1 in response to high glucose shown in cells treated overnight with either DMSO or AS604850 (1 umol/liter).
S8002	GSK2636771 GSK2636771 is a potent, orally bioavailable and selective inhibitor of PI3Kβ with >900-fold selectivity over PI3Kα/PI3Kγ and >10-fold over PI3Kδ. Sensitive to PTEN null cell lines.	Cancer Res, 2019, 79(7):1520-1534 Cell Signal, 2019, 53:122-131 J Exp Med, 2018, 215(1):159-175	Cells were treated as indicated. Medium and drug were refreshed every 2 to 3 days, and protein lysates were analyzed as above.
S2802	Copanlisib (BAY 80-6946) Copanlisib (BAY 80-6946) is a potent pan-class I PI3K with IC50 of 0.5, 3.7, 6.4, and 0.7 nM in cell-free assays for PI3Kα/β/γ/δ , respectively. Phase 3.	Cell Death Discov, 2019, 5:86 Toxicol Appl Pharmacol, 2019, 381:114729 BMC Cancer, 2019, 19(1):936	The compounds BAY80-6946 and TG100713, which are respectively an alpha/beta- and a pan-isoforms inhibitors, demonstrated a very good ability to block Jurkat E6.1 proliferation with an IC50 slightly higher than 1 mM.
S2699	CH5132799 CH5132799 inhibits class I PI3Ks, particularly PI3Kα with IC50 of 14 nM; less potent to PI3Kβδγ, while sensitive in PIK3CA mutations cell lines. Phase 1.	Biochimie, 2014, 105:182-91 Am J Transl Res, 2014, 6(5):471-493	Effect of selected compounds on MLC phosphorylation induced by 2-AG. Washed platelets (1.0 x 10⁹ platelets/mL) were preincubated at 37 ℃ for 10 min with saline or 20 uM LY294002 (L), 10 uM CH5132799 (C), 10 uM TGX221 (T), 10 uM MK2206 (M), 20 uM Y27632 (Y), 1 uM PIK-75 (P), 1 U/mL apyrase (AP), 5 uM AS252424 (AS), 1 uM IC87114 (IC) and then stimulated for 30 s with 10 uM 2-AG. At the end of incubation suitable aliquots were immunoblotted with anti-p-MLC (thr18/ser19) as detailed in Methods. Blot is representative of four independent experiments.
S2682	CAY10505 CAY10505 is dehydroxyl of AS-252424, which is a PI3Kγ inhibitor with IC50 of 33 nM.	Br J Haematol, 2014, 166(4):529-39	(D) Box plots showing the results of primary MM cell treatment (n = 22; in co-culture with BMSCs) with PI3K inhibitors (10 umol/l each). BYL-719 exerted the strongest anti-myeloma effects of TGX-221, CAY10505 or CAL-101. The mean survival value is indicated by a horizontal bar and the end of the whiskers show the values of the most sensitive and most resistant sample, respectively. (E) Treatment of PBMCs (n = 5) for 5 d with PI3K isoform-specific inhibitors (10 umol/l each).
S2207	PIK-293 PIK-293 is a PI3K inhibitor, mostly for PI3Kδ with IC50 of 0.24 μM, 500-, 100- and 50-fold less potent to PI3Kα/β/γ, respectively.		After starved in serum-free medium for 24 h,A549 cells incubated with the indicated concentrations of PIK-293 for 3 h,followed by 20-minute stimolation of 100ng/ml EGF.
S2739	PKI-402 PKI-402 is a potent dual pan-PI3K/mTOR inhibitor targeting PI3Kα/β/γ/δ and mTOR with IC50 of 2 nM/7 nM/16 nM/14 nM and 3 nM, respectively; also potent to PI3Kα mutants E545K and H1047R.	Cancer Lett, 2019, 443:135-144
S2870	TG100713 TG100713 is a pan-PI3K inhibitor against PI3Kγ, PI3Kδ, PI3Kα and PI3Kβ with IC50 of 50 nM, 24 nM, 165 nM and 215 nM, respectively.	MedChemComm, 2013, 10.1039/c3md00301a	The compounds BAY80-6946 and TG100713, which are respectively an alpha/beta- and a pan-isoforms inhibitors, demonstrated a very good ability to block Jurkat E6.1 proliferation with an IC50 slightly higher than 1 mM.
S7016	VS-5584 (SB2343) VS-5584 (SB2343) is a potent and selective dual PI3K/mTOR inhibitor for mTOR, PI3Kα/β/δ/γ with IC50 of 3.4 nM and 2.6-21 nM, respectively. Phase 1.	Gastroenterology, 2019, 157(6):1615-1629 Biomed Pharmacother, 2018, 428-437 Platelets, 2018, 29(3):277-287	Effect of VS-5584 on platelet adhesion. A-F: WP (A, B) and PRP (D, E) were treated with DMSO as vehicle (A, D; n = 3) or with 20 nM (B; n = 3) and 20 μM (E; n = 3) of VS-5584 and seeded on siliconized coverslips for the quantitative analysis of WP (C) and PRP adhesion (F). Scale bars: A, B, D, E = 50 μm; Data are given in % of vehicle. Mean ± SEM. p < 0.05 vs. vehicle. G, H: Representative images of WP treated with vehicle (G) or 20 nM of VS-5584 (H). The number of non-spread cells (arrows) is higher in VS-5584-treated WP. Scale bars: 20 μm. I: Quantification of spread platelets based on their morphology. Data are given in % of vehicle. Mean ± SEM. p < 0.05 vs. vehicle.
S7103	Taselisib (GDC 0032) Taselisib (GDC 0032) is a potent, next-generation β isoform-sparing PI3K inhibitor targeting PI3Kα/δ/γ with K_i of 0.29 nM/0.12 nM/0.97nM, >10 fold selective over PI3Kβ.	Science, 2019, 364(6441) Cell Rep, 2019, 27(1):294-306 Nat Mater, 2018, 17(4):361-368
S7018	CZC24832 CZC24832 is the first selective PI3Kγ inhibitor with IC50 of 27 nM, with 10-fold selectivity over PI3Kβ and >100-fold selectivity over PI3Kα and PI3Kδ.	Sci Rep, 2019, 9(1):5309 Leukemia, 2018, 32(9):1958-1969 Sci Rep, 2018, 8(1):5558	(c) MM primary cells were treated with idelalisib (1 μm), CZC24832 (1 μm) and duvelisib (1 μm) for 72 h and then assessed for apoptosis by PI/Annexin V staining (n=4).
S7813	AMG319 AMG319 is a potent and selective PI3Kδ inhibitor with IC50 of 18 nM, >47-fold selectivity over other PI3Ks. Phase 2.	Molecules, 2019, 24(7)
S7938	GSK2292767 GSK2292767 is a potent and selective PI3Kδ inhibitor.
S8163	GDC-0084 GDC-0084 is a brain penetrant inhibitor of PI3K and mTOR with Kiapp values of 2 nM, 46 nM, 3 nM, 10 nM and 70 nM for PI3Kα, PI3Kβ, PI3Kδ, PI3Kγ and mTOR.	Cell Stem Cell, 2019, 10.1016/j.stem.2019.10.005
S8560	Seletalisib (UCB-5857) Seletalisib is a novel small-molecule inhibitor of PI3Kδ with an IC50 value of 12 nM and shows significant selectivity to PI3Kδ with respect to the other class I PI3K isoforms (between 24- and 303-fold).
S8157	GDC-0326 GDC-0326 is a potent and selective inhibitor of PI3Kα with Ki value of 0.2 nM; remarkably selective over the other class I isoforms in enzymatic assays.	Microb Cell, 2018, ;5(12):545-554
S7356	HS-173 HS-173 is a potent PI3Kα inhibitor with IC50 of 0.8 nM.	Mol Pharmacol, 2019, 95(5):528-536 Molecules, 2019, 24(7) Sci Rep, 2018, 8(1):5558	b, d Serum-deprived MG-63 (b) and U20S cells (d) were pre-treated with 1 nmol/L HS-173 (PI3Kα inhibitor), 10 nmol/L TGX-221 (PI3Kβ inhibitor), 10 nmol/L CZC24832 (PI3Kγ inhibitor) and 10 nmol/L CAL-101 (PI3Kδ inhibitor) for 1 h, then were incubated with 100 ng/mL Wnt5a and harvested at 30 min after the start of Wnt5a treatment. Data were presented as mean ± SD of 3 determinations. The relative RhoA activity was normalized to the average value of each inhibitor-untreated group
S8589	SF2523 SF2523 is a highly selective and potent inhibitor of PI3K with IC50 values of 34 nM, 158 nM, 9 nM, 241 nM and 280 nM for PI3Kα, PI3Kγ, DNA-PK, BRD4 and mTOR, respectively.	Oncotarget, 2017, 8(58):98471-98481
S8752	leniolisib(CDZ 173) Leniolisib(CDZ 173) is a potent PI3Kδ selective inhibitor with biochemical IC50 values of 0.244, 0.424, 2.23 and 0.011 μM for PI3Kα, PI3Kβ, PI3Kγ and PI3Kδ, respectively.
S8581	Serabelisib (TAK-117) Serabelisib (INK-1117,MLN-1117,TAK-117) is a potent and selective oral PI3Kα isoform inhibitor (IC50 of 21 nmol/L against PI3Kα) that has demonstrated > 100-fold selectivity relative to other class I PI3K family members (PI3Kβ/γ/δ) and mTOR, and a high degree of selectivity against many other kinase.
S8330	IPI-549 IPI-549 is a potent inhibitor of PI3K-γ with >100-fold selectivity over other lipid and protein kinases. The biochemical IC50 for PI3K-γ is 16 nM.	Nat Commun, 2019, 10(1):1515 Nat Commun, 2018, 9(1):873
S2391	Quercetin Quercetin, a natural flavonoid present in vegetables, fruit and wine, is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC50 of 2.4-5.4 μM. Phase 4.	Nat Neurosci, 2019, 22(5):719-728 Front Cell Neurosci, 2019, 13:316 NPJ Precis Oncol, 2019, 3:16	After starved in serum-free medium for 24h,A549 cells incubated with the indicated concentrations of Quercetin for 3h,followed by 20-minute stimolation of 100ng/ml EGF.
S8738	Bimiralisib (PQR309) Bimiralisib (PQR309) is a novel brain-penetrant dual PI3K/mTOR inhibitor with in vitro and in vivo antilymphoma activity. It displays excellent selectivity versus PI3K-related lipid kinases, protein kinases and unrelated targets.
S8456	VVPS34 inhibitor 1 (Compound 19) VPS34 inhibitor 1 (Compound 19, PIK-III analogue) is a potent and selective inhibitor of VPS34 with an IC50 of 15 nM.	Oncotarget, 2017, 8(24):38099-38112	Confirmation of selective growth inhibition using VPS34-IN1 inhibitor. Proliferation of Tsc2+/+ and Tsc2-/- MEFs treated with vehicle control (DMSO), CQ (5 uM), VPS34-IN1 (500 nM) or the combination for 72 hours (crystal violet staining). Two sample t-test was carried out between CQ and SAR405 and each drug alone. Results are representative of three independent experiments. Bar graph represent means ±SD.
S7646	Voxtalisib (XL765) Voxtalisib (SAR245409, XL765) is a dual inhibitor of mTOR/PI3K, mostly for p110γ with IC50 of 9 nM; also inhibits DNA-PK and mTOR. Phase 1/2.	Sci Rep, 2019, 9(1):10521 Biomed Pharmacother, 2018, 103:1069-1078 Nat Neurosci, 2017, 20(8):1074-1084	HL60, HL60/ADR, K562 and K562/A02 cells pretreated with various concentrations of Voxtalisib (0, 0.625, 1.25, 2.5, 5 and 10 μM) for 48 h were harvested for western blot. The levels of cyclin D1, p27, and p-pRb in the nuclei were determined.
S8596	Autophinib Autophinib is a potent autophagy inhibitor with a novel chemotype with IC50 values of 90 and 40 nM for autophagy in starvation induced autophagy assay and rapamycin induced autophagy assay. The IC50 value for Vps34 is 19 nM in vitro.	Cell Rep, 2019, 27(12):3413-3421
S7798	GNE-317 GNE-317 is a potent, brain-penetrant PI3K inhibitor.
S8672	Tenalisib (RP6530) Tenalisib (RP6530) is a potent and selective dual PI3Kδ/γ inhibitor with IC50 values of 24.5 nM and 33.2 nM for PI3Kδ and PI3Kγ, respectively. Its selectivity over α and β isoforms are more than 300-fold and 100-fold, respectively.
S8194	umbralisib (TGR-1202) TGR-1202, a novel, next generation PI3Kδ inhibitor, inhibits PI3Kδ activity in enzyme and cell based assays with IC50 and EC50 values of 22.2 & 24.3 nM, respectively.
S5818	acalisib (GS-9820) acalisib (GS-9820) is a highly selective and potent p110δ inhibitor (IC50 = 14 nM) with 114- to 400-fold selectivity over the other class I PI3K enzymes and no activity against Class II and III PI3K family members or other PI3K-related proteins including mTOR and DNA-PK.
S7937	Nemiralisib (GSK2269557) Nemiralisib, also known as GSK-2269557, is a potent and selective PI3Kδ inhibitor(pKi = 9.9).
S8322	LY3023414(Samotolisib) LY3023414 is an oral ATP competitive inhibitor of the class I PI3K isoforms, mTOR and DNA-PK.	Oncotarget, 2017, 8(58):98964-98973	The structure and formula weight of LY3023414 were presented (A). Established human glioma cells (U251MG and A172 lines), primary human astrocytes (“Astrocytes”) or primary human glioma cells [three lines, “Glioma (L1/2/3)”], were either left untreated (“Ctrl”) or treated with LY3023414 at 1-1000 nM, cells were further cultured for indicated time; Cell survival was tested (B, C, and E) (n=5). Cell proliferation was also tested by the BrdU ELISA assay (D and F) (n=5). *p < 0.05 vs. “Ctrl”. Experiments in this figure were repeated three times.
S7980	VPS34-IN1 Vps34-IN1 is a potent and highly selective Vps34 inhibitor with IC50 of 25 nM invitro,which does not significantly inhibit the isoforms of class I as well as class II PI3Ks.	Biochem J, 2020, BCJ20190846 Nat Cell Biol, 2019, 21(3):372-383 Mol Cell, 2019, 10.1016/j.molcel.2019.10.035	C. Lysosomal and endosomal inhibition selectively targets Tsc2−/− MEFs. Proliferation of Tsc2+/+ and Tsc2−/− MEFs treated with vehicle control (DMSO), CQ (5uM), Vps34 inhibitor (SAR405; 1uM) or the combination for 72 hours (crystal violet staining). D. Confirmation of selective growth inhibition using VPS34-IN1 inhibitor. Proliferation of Tsc2+/+ and Tsc2−/− MEFs treated with vehicle control (DMSO), CQ (5uM), VPS34-IN1 (500nM) or the combination for 72 hours (crystal violet staining). Two-sample t-test was carried out between CQ and SAR405 and each drug alone. Results are representative of three independent experiments. Bar graph represent means ±SD.
S8696	2-D08 2-D08 is a cell permeable, mechanistically unique inhibitor of protein sumoylation. It is also inhibits Axl, IRAK4, ROS1, MLK4, GSK3β, RET, KDR and PI3Kα with IC50 values of 0.49, 3.9, 5.3, 9.8, 11, 11, 17 and 35 nM respectively in biochemical assays.
S7335	IPI-3063 IPI-3063 is a potent and selective p110δ inhibitor with biochemical IC50 of 2.5 ± 1.2 nM and IC50 values for the other class I PI3K isoforms (p110α, p110β, p110γ) are at least 400-fold higher.
S7682	SAR405 SAR405 is a low-molecular-mass kinase inhibitor of Vps34 (KD 1.5 nM) showing high selectivity and not be active up to 10 μM on class I and class II PI3Ks as well as on mTOR.	Nat Commun, 2019, 10(1):2850 Autophagy, 2019, 15(2):312-326 EMBO J, 2019, 38(2)	RT-112 and RT-112 (CisPt-R) cells were treated with cisplatin, SAR405, and a combination of both in absence and presence of QVD (10 µM). Again, the concentrations used were the IC50 or half IC50 values for RT-112 (CisPt-R) and RT-112, respectively. After 48 hours, the cells were lysed, and cleared cellular lysates were subjected to SDS-PAGE and immunoblotting for PARP, caspase-3 (Casp3), and Actin. One representative immunoblot is shown.
S7683	PIK-III PIK-III, which is a selective inhibitor of VPS34 enzymatic activity, inhibits autophagy and de novo lipidation of LC3 and leads to the stabilization of autophagy substrates. The IC50 values for VPS34 and PI(3)Kδ are 0.018 μM and 1.2 μM respectively.	EMBO J, 2019, 38(8):e100312 EMBO J, 2019, 38(8):e100312 Cancer Lett, 2018, 435:32-43	LC3 and DAPI immunofluorescence staining were performed to detect autophagy in VSC4.1 cells treated with 25 mM HD alone, 25 mM HD + 5 μM PIK-III, 5 μM PIK-III and 0.1% DMSO alone (control group). Scale bar: 20 μm
S7623	PI-3065 PI-3065 is a selective p110δ inhibitor with IC50 of 15 nM, >70-fold selectivity over other PI3K family members.	Leukemia, 2019, 33(6):1427-1438
S7645	Pilaralisib (XL147) Pilaralisib (XL147) is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM in cell-free assays, less potent to PI3Kβ. Phase 1/2.	Cell Rep, 2019, 27(2):631-647 Neoplasia, 2019, 21(6):615-626 J Cell Biochem, 2018, 119(8):6398-6407	I. OMI index decreases in BT474 organoids treated with single and combination therapies at 24 hr. J. OMI index of BT474 organoids treated for 72hr. Red bars denote p<0.05 for treated organoids vs. control. H:trastuzumab (anti-HER2); P:paclitaxel (chemotherapy); XL147 (X).
S7966	AZD8835 AZD8835 ia a novel mixed inhibitor of PI3Kα and PI3Kδ with IC50 of 6.2 nM and 5.7 nM, respectively, also with selectivity against PI3Kβ (IC50=431 nM) and PI3Kγ (IC50=90 nM).	Molecules, 2019, 24(7)
S8132	Deguelin Deguelin, a natural product isolated from plants in the Mundulea sericea family, is an PI3K/AKT Inhibitor.
S7675	PF-4989216 PF-4989216 is a potent and selective PI3K inhibitor with IC50 of 2 nM, 142 nM, 65 nM, 1 nM, and 110 nM for p110α, p110β, p110γ, p110δ, and VPS34, respectively.
S7694	AZD8186 AZD8186 is a potent and selective inhibitor of PI3Kβ and PI3Kδ with IC50 of 4 nM and 12 nM, respectively. Phase 1.	J Clin Invest, 2019, 129(12):5584-5599 Biomed Pharmacother, 2019, 117:109096 EBioMedicine, 2018, 28:80-89
S7865	740 Y-P (PDGFR 740Y-P) 740 Y-P is cell-permeable phosphopeptide activator of PI3K.	J Recept Signal Transduct Res, 2019, 39(1):80-86 J Cell Physiol, 2019, 10.1002/jcp.28255 Stem Cells Dev, 2019, 10.1089/scd.2019.0032

Catalog No.	Information	Product Use Citations	Product Validations
S1009	Dactolisib (BEZ235) Dactolisib (BEZ235, NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3^TopBP1-ER cell.	Cell, 2019, 36(2):179-193 Cancer Cell, 2019, 35(5):752-766 Cancer Cell, 2019, 36(2):179-193	Three-dimensional responses of MCF7/IGF-1R cells to TAM (1 μM), E2 and IGF-1. Compared to parental MCF7 cells (a), MCF7/IGF-1R cells (b) in three-dimensional (3D) culture formed bigger acini in response to IGF-1 stimulation and displayed significant TAM resistance when treated with TAM (1 μM) + E2 + IGF-1, which was removable by kinase inhibitors BMS-536924, U0126 and BEZ235 (c). Cells (10,000/well) were seeded in 96-well plates. Acini were formed on 100% Matrigel and cultured for 14 days in starving medium containing 2% Matrigel and 5% charcoal/dextran-stripped fetal bovine serum with the treatments as indicated. Concentrations used: TAM (1 μM), E2 (1 nM) and IGF-1 (100 ng/mL). Confocal image original magnification, × 20. Red, rhodamine phalloidin (actin). Blue, Hoechst blue stain. Results are representative of two individual experiments.
S1065	Pictilisib (GDC-0941) Pictilisib (GDC-0941) is a potent inhibitor of PI3Kα/δ with IC50 of 3 nM in cell-free assays, with modest selectivity against p110β (11-fold) and p110γ (25-fold). Phase 2.	Eur J Pharmacol, 2020, 873:172981 Nat Med, 2019, 25(5):838-849 Nat Commun, 2019, 10(1):2532	TGF-β induces mTORC2 activation. ( A ) NMuMG cells were treated with TGF-β for the indicated times before lysis and immunoblotting. (B ) NMuMG cells were treated or not with TGF-β for the indicated times, in the presence or absence of SB431542 or LY294002. Cell lysates were subjected to anti-Rictor immunoprecipitation, and the immunoprecipitates were subjected to in vitro kinase assays using kinase-inactive Akt1 as a substrate, before immunoblotting of the kinase reactions, immunoprecipitates and cell lysates. The left panels are from the same gel, without differential exposure. ( C ) NMuMG cells were treated or not with TGF-β or insulin for the indicated times, in the presence or absence of SB431542 or GDC-0941. The kinase activity of mTORC2 was then assessed as in B. The top panels are from the same gel, without differential exposure. (D) NMuMG cells were treated or not with TGF-β for the indicated times, in the presence or absence of SB431542 or LY294002. Cell lysates were subjected to immunoprecipitation using Rictor antibody, and/or immunoblotted.
S1105	LY294002 LY294002 is the first synthetic molecule known to inhibit PI3Kα/δ/β with IC50 of 0.5 μM/0.57 μM/0.97 μM, respectively; more stable in solution than Wortmannin, and also blocks autophagosome formation. It not only binds to class I PI3Ks and other PI3K-related kinases, but also to novel targets seemingly unrelated to the PI3K family.	Cell Mol Immunol, 2020, 10.1038/s41423-019-0345-7 Toxicol Appl Pharmacol, 2020, 387:114848 J Ethnopharmacol, 2020, 246:112218	Inhibition of PI3K, ERK and mTOR prevents the activation of S6K1 and S6 induced by suppression of PKD1 activity. A549 cells were incubated in the absence (-) or presence of either 5 uM Kb or 5 uM Kb and 20 uM LY294002 or 5 uM Kb and 10 uM BKM120 (as indicated) for 1 h prior to stimulation of cells with 50 nM PMA for 30 min and 1 h.
S2226	Idelalisib (CAL-101, GS-1101) Idelalisib (CAL-101, GS-1101) is a selective p110δ inhibitor with IC50 of 2.5 nM in cell-free assays; shown to have 40- to 300-fold greater selectivity for p110δ than p110α/β/γ, and 400- to 4000-fold more selectivity to p110δ than C2β, hVPS34, DNA-PK and mTOR.	Haematologica, 2020, 10.3324/haematol.2019.227215 Oncogene, 2020, 10.1038/s41388-020-1183-x Nat Mater, 2019, 18(8):892-904	293T cells were transfected with HA-tagged Fbxo45. At 48 h after transfection, cells were treated with AKT inhibitor (CAL-101; 10 uM, 4 h), cell extracts from the cytoplasm or nuclei were subjected to IP with anti-HA resin followed by western blot analysis with indicated antibodies.
S2247	Buparlisib (BKM120) Buparlisib (BKM120, NVP-BKM120) is a selective PI3K inhibitor of p110α/β/δ/γ with IC50 of 52 nM/166 nM/116 nM/262 nM in cell-free assays, respectively. Reduced potency against VPS34, mTOR, DNAPK, with little activity to PI4Kβ. Phase 2.	Science, 2019, 364(6441) Nat Cell Biol, 2019, 21(2):226-237 Nat Commun, 2019, 10(1):259	AN3CA (A) and JHUEM2 (B) cells were treated for the indicated times with DMSO, 0.3 μM BGJ398 (BGJ), 0.3 μM GDC-0941 (GDC), 0.6 μM BYL719 (BYL) and 0.6 μM BKM120 (BKM) alone or in combination. Cell lysates were immunoblotted with antibodies for phospho-AKT (Ser473), total AKT, phospho-ERK (Thr202/Tyr204), ERK2, phospho-S6 (Ser240/244), total S6, phospho-4EBP1 (Thr37/46), total 4EBP1, total PARP and cleaved PARP. Tubulin was detected as the loading control. Western blot analysis of AN3CA and JHUEM2.
S8948^New	SRX3207 SRX3207 is a novel dual Syk-PI3K inhibitor with IC50 of 39.9 nM, 31200 nM, 3070 nM, 3070 nM, 244 nM, 388 nM, 9790 nM for Syk, Zap70, BRD41, BRD42, PI3K alpha, PI3K delta, PI3K gamma, respectively. SRX3207 can relieve tumor immunosuppression.
S6541^New	MTX-211 MTX-211 is a first-in-class dual inhibitor of PI3K and EGFR kinase.
S6516^New	GNE-477 GNE-477 is a potent and efficacious dual PI3K/mTOR inhibitor with an IC50 of 4 nM for PI3Kα and K_iapp of 21 nM for mTOR.
S8693^New	Selective PI3Kδ Inhibitor 1 (compound 7n) Selective PI3Kδ Inhibitor 1 (compound 7n) is an inhibitor of PI3Kδ with an IC50 of 0.9 nM and >1000-fold selectivity against other class I PI3K isoforms [PI3K α/γ/β=3670/1460/21300 nM].
S1038	PI-103 PI-103 is a multi-targeted PI3K inhibitor for p110α/β/δ/γ with IC50 of 2 nM/3 nM/3 nM/15 nM in cell-free assays, less potent to mTOR/DNA-PK with IC50 of 30 nM/23 nM.	Cancer Cell, 2019, 36(2):179-193 Cell, 2019, 36(2):179-193 Gastroenterology, 2019, 157(6):1615-1629	We treated all of drugs in T47D which has a PI3KCA H1044R mutation with the concentration shown below for 1 hour and performed western blot analysis using antibodies to phospho-AKT(SERINE 472), and total AKT.
S2638	NU7441 (KU-57788) NU7441 (KU-57788) is a highly potent and selective DNA-PK inhibitor with IC50 of 14 nM and also inhibits PI3K with IC50 of 5 μM in cell-free assays. It reduces the frequency of NHEJ while increasing the rate of HDR following Cas9-mediated DNA cleavage.	Nucleic Acids Res, 2020, 48(2):736-747 Nature, 2019, 74(7779):571-574 Cancer Cell, 2019, 36(2):179-193	Validation of activity and specificity of chemical inhibitors of; ATM, ATR, and DNAPK. H460 cells were treated with 1 uM camptothecin (CPT) or 20 ug/ml bleomycin for 1 h in the presence of the indicated inhibitors: DNAPK-i1—NU7026, DNAPK-i2—NU7441. MSH6, fibrillarin, and tubulin were used as loading controls.Effects of DNAPK inhibitors on its autophosphorylation in bleomycin-treated cells.
S1169	TGX-221 TGX-221 is a p110β-specific inhibitor with IC50 of 5 nM in a cell-free assay, 1000-fold more selective for p110β than p110α.	Cell Metab, 2019, 29(6):1400-1409 Gastroenterology, 2019, 157(6):1615-1629 Cancer Res, 2019, 79(7):1520-1534	A p110β-selective antagonist rescues increased protein synthesis in synaptic fractions from Fmr1 KO mice and in LCLs from a patient with FXS. (A–C) Treatment of synaptoneurosomes with TGX-221 (1 μmol/L, 30 min) reduces p110β-specific PI3K activity and phosphorylation of the downstream target AKT in both WT and Fmr1 KO SNS, shown by a radioactive PI3K assay and phosphoAkt- specific western blot-ting (A). (B) Quantification of PI3K activity using a competitive ELISA showed a significant reduction in PI3K activity in both genotypes after treatment [ n = 4, 2-way ANOVA, P (genotype) = 0.0086, P (treatment) = 0.0087, P (interaction) = 0.7154]. (C) Densitometric quantification of phosphoAkt-specific western blots showed a significant effect of treatment (C, n = 4, 2-way ANOVA, *P (treatment) = 0.0005, P (genotype) =0.372, P (interaction) = 0.4894).
S1268	IC-87114 IC-87114 is a selective PI3Kδ inhibitor with IC50 of 0.5 μM in a cell-free assay, 58-fold more selective for PI3Kδ than PI3Kγ, and over 100-fold more selective than PI3Kα/β.	Cells, 2019, 8(10) Int J Oncol, 2018, 52(3):828-840 Am J Transplant, 2016, 16(9):2624-38
S2758	Wortmannin Wortmannin is the first described PI3K inhibitor with IC50 of 3 nM in a cell-free assay, with little selectivity within the PI3K family. Also blocks autophagosome formation and potently inhibits DNA-PK/ATM with IC50 of 16 nM and 150 nM in cell-free assays.	Cell, 2019, 176(6):1379-1392 Nat Cell Biol, 2019, 21(2):226-237 Adv Sci (Weinh), 2019, 6(8):1801233	L3.6pl cells at 6,000 cells per well were incubated in MEM with 5% FBS in triplicate in a 96-well culture plate and then treated alone with 5 umol/L BMS-777607, 10 umol/L wortmannin, or with BMS-777607 in combination with individual inhibitors. Polyploidy was examined under BK71 Olympus microscope and photographed 72 hours after treatment.
S1118	XL147 analogue XL147 analogue is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM in cell-free assays, less potent to PI3Kβ. Phase 1/2.	Oncogene, 2015, 10.1038/onc.2015.143 Cancer Res, 2014, 74(18):5184-94 PLoS One, 2014, 9(8):e105280	Breast cancer cells were pretreated with 100ng/ml EGF for 20 min and then treated with the indicated concentrations of XL147 for 24 hours.
S1072	ZSTK474 ZSTK474 inhibits class I PI3K isoforms with IC50 of 37 nM in a cell-free assay, mostly PI3Kδ. Phase1/2.	Cell, 2019, 177(4):896-909 Cell Death Dis, 2019, 10(5):358 Leukemia, 2018, 32(1):159-167	Representative Western blot of Erk1/2, phospho-Erk1/2, Akt, phospho-Akt antibodies in BCPAP, K1 and 8505C cells treated at 4 h using IC50 doses. 1, cells untreated; 2, cells treated with RAF265; 3, cells treated with ZSTK474; 4, cells treated with SB590885; 5, cells treated with RAF265+ZSTK474; 6, cells treated with SB590885+ZSTK474.
S2814	Alpelisib (BYL719) Alpelisib (BYL719) is a potent and selective PI3Kα inhibitor with IC50 of 5 nM in a cell-free assay, and minimal effect on PI3Kβ/γ/δ. Phase 2.	Science, 2019, 364(6441) Nat Med, 2019, 25(5):838-849 Nat Genet, 2019, 51(2):207-216	BYL719 induces Apoptosis in MM cells. The effect of increasing concentrations of BYL719 (0-2.5 umol/l) for 48 h on the apoptosis of MM1s cells. The effect of BYL719 on the apoptosis signalling; cleaved PARP, caspase 3, caspase 9 by Western blotting. MM, multple myeloma.
S1410	AS-605240 AS-605240 selectively inhibits PI3Kγ with IC50 of 8 nM, over 30-fold and 7.5-fold more selective for PI3Kγ than PI3Kδ/β and PI3Kα in cell-free assays, respectively.	Cell Rep, 2019, 27(2):631-647 Neuroscience, 2019, 415:107-120 Molecules, 2019, 24(7)	After starved in serum-free medium for 24 h, Breast cancer cells incubated with the indicated concentrations of AS-605240 for 3 h,followed by 15-minute stimolation of 100ng/ml EGF
S1205	PIK-75 HCl PIK-75 HCl is a p110α inhibitor with IC50 of 5.8 nM (200-fold more potently than p110β), isoform-specific mutants at Ser773, and also potently inhibits DNA-PK with IC50 of 2 nM in cell-free assays.	Cancer Cell, 2019, 35(5):752-766 Cell Metab, 2019, 29(6):1400-1409 J Thorac Oncol, 2019, 10.1016/j.jtho.2019.10.009	A549 cells were treated with DMSO or PIK-75 (200 nM) for 1 h and subsequently stimulated with izTRAIL for 24 h. Long-term survival was visualized after 7 days by crystal violet staining. One of two independent experiments is shown.
S2767	3-Methyladenine (3-MA) 3-Methyladenine (3-MA) is a selective PI3K inhibitor for Vps34 and PI3Kγ with IC50 of 25 μM and 60 μM in HeLa cells; blocks class I PI3K consistently, whereas suppression of class III PI3K is transient, and also blocks autophagosome formation. Solutions of 3-MA are best fresh-prepared by heating.	J Cell Physiol, 2020, 235(2):1531-1542 Int J Biol Sci, 2020, 16(1):147-161 Biomed Pharmacother, 2020, 121:109139	granulosa cells (GCs) with 24 h of melatonin (10 μM) treatment were rinsed in PBS, and then exposed to H2O2 (200 μM) for 2 h. The autophagy inhibitor 3-MA (10 mM), or the apoptosis inhibitor Z-VAD-FMK (50 μM) were added 1 h prior to H2O2 incubation. Cell viability was determined using the CCK-8 assay. Data represent mean ± S.E; n = 3 in each group. P < 0.05 (*P < 0.01) vs. vehicle group at 0 h. # Represents P < 0.05 (## Represents P < 0.01) vs. H2O2-only-treated cells. & Represents P > 0.05 vs. H2O2-only-treated cells. N, not significant, P > 0.05. δ Represents P < 0.05 (δδ Represents P < 0.01) vs. Z-VAD-FMK-treated cells.
S2636	A66 A66 is a potent and specific p110α inhibitor with IC50 of 32 nM in a cell-free assay, >100 fold selectivity for p110α over other class-I PI3K isoforms.	Nat Commun, 2019, 10(1):2532 Leukemia, 2019, 10.1038/s41375-019-0556-z Int J Cancer, 2019, 145(3):817-829	After starved in serum-free medium for 24h,A549 cells incubated with the indicated concentrations of A66 for 3h,followed by 20-minute stimolation of 100ng/ml EGF.
S1523	Voxtalisib (XL765) Analogue Voxtalisib (SAR245409, XL765) Analogue is a dual inhibitor of mTOR/PI3K, mostly for p110γ with IC50 of 9 nM; also inhibits DNA-PK and mTOR. Phase 1/2.	Cell Rep, 2015, 11(3):446-59 Mol Cancer Res, 2014, 12(5):703-13 Am J Transl Res, 2014, 6(5):471-493	The TMZ/XL765 combination decreases serum GH and PRL of mice bearing GH3 xenografts. A and B, After treatment with DMSO, TMZ, XL765, or the XL765/TMZ combination, the blood of the nude mice xenograft with GH3 tumor was collected and serum rat-GH and rat-PRL were measured by IRMA (TMZ/XL765 combination vs TMZ or XL765 alone: ***P <.001).
S2658	Omipalisib (GSK2126458) Omipalisib (GSK2126458, GSK458) is a highly selective and potent inhibitor of p110α/β/δ/γ, mTORC1/2 with K_i of 0.019 nM/0.13 nM/0.024 nM/0.06 nM and 0.18 nM/0.3 nM in cell-free assays, respectively. Phase 1.	Nat Commun, 2020, 11(1):71 J Thorac Oncol, 2019, 14(6):1061-1076 J Thorac Oncol, 2019, 14(6):1061-1076
S1187	PIK-90 PIK-90 is a PI3Kα/γ/δ inhibitor with IC50 of 11 nM/18 nM/58 nM, respectively, less potent to PI3Kβ.	Int J Oncol, 2018, 52(3):828-840 Oncotarget, 2016, 7(36):57525-57544 Exp Mol Med, 2015, 47:e143	Tyr(P)^Irs1 determined in CHO^IR/Irs1 cells treated with kinase inhibitors. Cells were treated for 30 min without or with PIK-90 at concentrations increasing sequentially 2-fold between the boundaries shown in Fig. 4 before incubation with insulin (30 nM, 30 min). Cleared lysates were subject to immunoblotting with antibodies against Irs1 or Tyr(P). The bands were quantified on a Kodak Image Station 4000MM Pro, and the data were analyzed using Carestream Molecular Imaging software version 5.0.
S1462	AZD6482 AZD6482 is a PI3Kβ inhibitor with IC50 of 10 nM, 8-, 87- and 109-fold more selective to PI3Kβ than PI3Kδ, PI3Kα and PI3Kγ in cell-free assays. Phase 1.	Nat Commun, 2019, 10(1):2532 Molecules, 2019, 24(3) Cell Death Dis, 2018, 9(10):944	Cells treated with either control or INPP4B siRNA and following a 1-hour treatment with either DMSO or 1 mmol/L inhibitor; pPRAS40T246 and total PRAS40 were run on a separate blot for which the bottom Ku-86 panel is the loading control(pan-PI3Ki: GDC-0941, PI3K-ai: BYL719,PI3K-bi: AZD6482)
S2743	PF-04691502 PF-04691502 is an ATP-competitive PI3K(α/β/δ/γ)/mTOR dual inhibitor with K_i of 1.8 nM/2.1 nM/1.6 nM/1.9 nM and 16 nM in cell-free assays, little activity against either Vps34, AKT, PDK1, p70S6K, MEK, ERK, p38, or JNK. Phase 2.	Cancer Biol Med, 2019, 16(2):264-275 PLoS One, 2018, 13(8):e0200725 Onco Targets , 2018, 11:943-953	BMDMs from WT animals were treated with different concentrations of PI3K inhibitors (500 nmol/L PF4691502, PI-103, BKM120 and 25 μmol/L SF1126) followed by hypoxia for 4 hours for Western blots. These macrophages were either used for lysate preparation (nuclear extracts for HIFα or WCE for pAKT and AKT) and Western blot analysis.
S2696	Apitolisib (GDC-0980) Apitolisib (GDC-0980, RG7422) is a potent, class I PI3K inhibitor for PI3Kα/β/δ/γ with IC50 of 5 nM/27 nM/7 nM/14 nM in cell-free assays, respectively. Also a mTOR inhibitor with K_i of 17 nM in a cell-free assay, and highly selective versus other PIKK family kinases. Phase 2.	Cell Death Dis, 2019, 10(3):231 J Cancer Res Clin Oncol, 2019, 145(12):2921-2936 J Immunol, 2018, 201(2):406-416	Immunoblots from AR + TNBC cell lines treated with either CDX (25 uM), GDC-0941 (300 nM) or GDC0980 (100 nM) as single agents or CDX in combination with either GDC-0941 or GDC-0980 for 48 h analyzed for AR, p-AKT, AKT, p-S6, S6 and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) protein.
S1360	GSK1059615 GSK1059615 is a dual inhibitor of PI3Kα/β/δ/γ (reversible) and mTOR with IC50 of 0.4 nM/0.6 nM/2 nM/5 nM and 12 nM, respectively. Phase 1.	Cell Rep, 2019, 27(3):820-834 Biochem Pharmacol, 2019, 169:113640 Int J Oncol, 2018, 52(3):828-840	Breast cancer cells were pretreated with 100ng/ml EGF for 15 min and then treated with the indicated concentrations of GSK1059615 for 24 hours.
S7028	Duvelisib (IPI-145) Duvelisib (IPI-145, INK1197) is a novel and selective PI3K δ/γ inhibitor with K_i and IC50 of 23 pM/243 pM and 1 nM/50 nM in cell-free assays, highly selective for PI3K δ/γ than other protein kinases. Phase 3.	Leukemia, 2019, 10.1038/s41375-019-0486-9 Cell Rep, 2019, 27(2):631-647 Haematologica, 2019, 10.3324/haematol.2019.216218	PI3K inhibitor IPI-145 demonstrated to be effective on ALL-SIL cells,showed an IC50 in the lower micromolar range.
S2628	Gedatolisib (PKI-587) Gedatolisib (PF-05212384, PKI-587) is a highly potent dual inhibitor of PI3Kα, PI3Kγ and mTOR with IC50 of 0.4 nM, 5.4 nM and 1.6 nM in cell-free assays, respectively. Phase 2.	Oncogene, 2019, 38(49):7433-7446 Cancers (Basel), 2019, 11(6) Am J Transl Res, 2019, 11(8):5134-5149	PI3K inhibitors promote apoptosis in checkpoint-defective cell lines. Two checkpoint-functional (A2058, D28) and three defective (HT144, D20, SKMel13) melanoma cell lines growth as tumour spheres as in Figure 4B were either untreated or treated with 5 uM PF-05212384 for 72 h, harvested and immunoblotted for pAkt Ser473.
S1352	TG100-115 TG100-115 is a PI3Kγ/δ inhibitor with IC50 of 83 nM/235 nM, with little effect on PI3Kα/β. Phase 1/2.	Adv Sci (Weinh), 2019, 6(12):1900327 Int J Oncol, 2018, 52(3):828-840 Biochim Biophys Acta, 2017, 1861(4):947-957	We treated all of drugs in T47D which has a PI3KCA H1044R mutation with the concentration shown below for 1 hour and performed western blot analysis using antibodies to phospho-AKT(SERINE 472), and total AKT.
S2671	AS-252424 AS-252424 is a novel, potent PI3Kγ inhibitor with IC50 of 30 nM in a cell-free assay with 30-fold selectivity for PI3Kγ than PI3Kα, and low inhibitory activity towards PI3Kδ/β.	PLoS One, 2018, 13(5):e0193849 Inflammation, 2017, 40(2):435-441 Immunol Res, 2015, 10.1007/s12026-015-8648-y	Effects of AS252424 on KL-induced cPLA 2 phosphorylation in BMMCs. BMMCs were pre-incubated with AS252424 for 1 h followed by stimulation with KL for 15 min. The phosphorylation of cPLA 2 was evaluated via immunoblot analysis. Results are representative of three independent experiments.P<0.05, P<0.01, **P<0.001 and ### P<0.001, compared with BMMCs with KL induction but without pretreatment by AS252424.
S2749	BGT226 maleate (NVP-BGT226 maleate) BGT226 (NVP-BGT226) is a novel class I PI3K/mTOR inhibitor for PI3Kα/β/γ with IC50 of 4 nM/63 nM/38 nM. Phase 1/2.	Oncotarget, 2016, 7(34):55690-55703 Oncotarget, 2016, 7(48):79842-79853 Mol Cancer Ther, 2015, 14(8):1928-38	IGROV1-R10 cells were treated with BGT266(250nM) for 8 h.The effect of BGT226 on PI3K/Akt/mTOR pathway activation (A) and on expression of Mcl-1 and Bim (B).
S2759	Fimepinostat（CUDC-907） CUDC-907 is a dual PI3K and HDAC inhibitor for PI3Kα and HDAC1/2/3/10 with IC50 of 19 nM and 1.7 nM/5 nM/1.8 nM/2.8 nM, respectively. Phase 1.	Cancer Chemother Pharmacol, 2020, 10.1007/s00280-019-04022-x Gastroenterology, 2019, 157(6):1615-1629 Haematologica, 2019, 104(11):2225-2240	Representative Oil Red O staining of lipid-filled mature adipocytes on day 7 for uninduced cells (a), adipocyteinduced hMSCs exposed to the vehicle control (b) or CUDC-907-treated cells (500 nM) (c). Nile red staining (d and e) on day 7 of post-adipocytic induction in hMSCs and after exposure to CUDC-907. Images were captured at ×20 magnification using the FLoid Cell Imaging Station. The level of Nile red staining was quantified using the Molecular Devices M5 Microplate Reader (f). Data are presented as mean ± S.E (n = 16) from three independent experiments, ***P <0.0005.
S2227	PIK-294 PIK-294 is a highly selective p110δ inhibitor with IC50 of 10 nM, 1000-, 49- and 16-fold less potent to PI3Kα/β/γ, respectively.	Cell Metab, 2019, 29(6):1400-1409 Mol Cell Biol, 2012, 32(12):2268-78	After starved in serum-free medium for 24 h,A549 cells incubated with the indicated concentrations of PIK-294 for 3 h,followed by 20-minute stimolation of 100ng/ml EGF.
S2681	AS-604850 AS-604850 is a selective, ATP-competitive PI3Kγ inhibitor with IC50 of 250 nM, over 80-fold selectivity for PI3Kγ than PI3Kδ/β, and 18-fold more selective for PI3Kγ than PI3Kα.	Mol Biol Cell, 2019, 30(18):2367-2376 Nature, 2017, 542(7642):489-493 J Biol Chem, 2014, 289(46):32109-20	Representative blots of activated Rac1 and total Rac1 in response to high glucose shown in cells treated overnight with either DMSO or AS604850 (1 umol/liter).
S8002	GSK2636771 GSK2636771 is a potent, orally bioavailable and selective inhibitor of PI3Kβ with >900-fold selectivity over PI3Kα/PI3Kγ and >10-fold over PI3Kδ. Sensitive to PTEN null cell lines.	Cancer Res, 2019, 79(7):1520-1534 Cell Signal, 2019, 53:122-131 J Exp Med, 2018, 215(1):159-175	Cells were treated as indicated. Medium and drug were refreshed every 2 to 3 days, and protein lysates were analyzed as above.
S2802	Copanlisib (BAY 80-6946) Copanlisib (BAY 80-6946) is a potent pan-class I PI3K with IC50 of 0.5, 3.7, 6.4, and 0.7 nM in cell-free assays for PI3Kα/β/γ/δ , respectively. Phase 3.	Cell Death Discov, 2019, 5:86 Toxicol Appl Pharmacol, 2019, 381:114729 BMC Cancer, 2019, 19(1):936	The compounds BAY80-6946 and TG100713, which are respectively an alpha/beta- and a pan-isoforms inhibitors, demonstrated a very good ability to block Jurkat E6.1 proliferation with an IC50 slightly higher than 1 mM.
S2699	CH5132799 CH5132799 inhibits class I PI3Ks, particularly PI3Kα with IC50 of 14 nM; less potent to PI3Kβδγ, while sensitive in PIK3CA mutations cell lines. Phase 1.	Biochimie, 2014, 105:182-91 Am J Transl Res, 2014, 6(5):471-493	Effect of selected compounds on MLC phosphorylation induced by 2-AG. Washed platelets (1.0 x 10⁹ platelets/mL) were preincubated at 37 ℃ for 10 min with saline or 20 uM LY294002 (L), 10 uM CH5132799 (C), 10 uM TGX221 (T), 10 uM MK2206 (M), 20 uM Y27632 (Y), 1 uM PIK-75 (P), 1 U/mL apyrase (AP), 5 uM AS252424 (AS), 1 uM IC87114 (IC) and then stimulated for 30 s with 10 uM 2-AG. At the end of incubation suitable aliquots were immunoblotted with anti-p-MLC (thr18/ser19) as detailed in Methods. Blot is representative of four independent experiments.
S2682	CAY10505 CAY10505 is dehydroxyl of AS-252424, which is a PI3Kγ inhibitor with IC50 of 33 nM.	Br J Haematol, 2014, 166(4):529-39	(D) Box plots showing the results of primary MM cell treatment (n = 22; in co-culture with BMSCs) with PI3K inhibitors (10 umol/l each). BYL-719 exerted the strongest anti-myeloma effects of TGX-221, CAY10505 or CAL-101. The mean survival value is indicated by a horizontal bar and the end of the whiskers show the values of the most sensitive and most resistant sample, respectively. (E) Treatment of PBMCs (n = 5) for 5 d with PI3K isoform-specific inhibitors (10 umol/l each).
S2207	PIK-293 PIK-293 is a PI3K inhibitor, mostly for PI3Kδ with IC50 of 0.24 μM, 500-, 100- and 50-fold less potent to PI3Kα/β/γ, respectively.		After starved in serum-free medium for 24 h,A549 cells incubated with the indicated concentrations of PIK-293 for 3 h,followed by 20-minute stimolation of 100ng/ml EGF.
S2739	PKI-402 PKI-402 is a potent dual pan-PI3K/mTOR inhibitor targeting PI3Kα/β/γ/δ and mTOR with IC50 of 2 nM/7 nM/16 nM/14 nM and 3 nM, respectively; also potent to PI3Kα mutants E545K and H1047R.	Cancer Lett, 2019, 443:135-144
S2870	TG100713 TG100713 is a pan-PI3K inhibitor against PI3Kγ, PI3Kδ, PI3Kα and PI3Kβ with IC50 of 50 nM, 24 nM, 165 nM and 215 nM, respectively.	MedChemComm, 2013, 10.1039/c3md00301a	The compounds BAY80-6946 and TG100713, which are respectively an alpha/beta- and a pan-isoforms inhibitors, demonstrated a very good ability to block Jurkat E6.1 proliferation with an IC50 slightly higher than 1 mM.
S7016	VS-5584 (SB2343) VS-5584 (SB2343) is a potent and selective dual PI3K/mTOR inhibitor for mTOR, PI3Kα/β/δ/γ with IC50 of 3.4 nM and 2.6-21 nM, respectively. Phase 1.	Gastroenterology, 2019, 157(6):1615-1629 Biomed Pharmacother, 2018, 428-437 Platelets, 2018, 29(3):277-287	Effect of VS-5584 on platelet adhesion. A-F: WP (A, B) and PRP (D, E) were treated with DMSO as vehicle (A, D; n = 3) or with 20 nM (B; n = 3) and 20 μM (E; n = 3) of VS-5584 and seeded on siliconized coverslips for the quantitative analysis of WP (C) and PRP adhesion (F). Scale bars: A, B, D, E = 50 μm; Data are given in % of vehicle. Mean ± SEM. p < 0.05 vs. vehicle. G, H: Representative images of WP treated with vehicle (G) or 20 nM of VS-5584 (H). The number of non-spread cells (arrows) is higher in VS-5584-treated WP. Scale bars: 20 μm. I: Quantification of spread platelets based on their morphology. Data are given in % of vehicle. Mean ± SEM. p < 0.05 vs. vehicle.
S7103	Taselisib (GDC 0032) Taselisib (GDC 0032) is a potent, next-generation β isoform-sparing PI3K inhibitor targeting PI3Kα/δ/γ with K_i of 0.29 nM/0.12 nM/0.97nM, >10 fold selective over PI3Kβ.	Science, 2019, 364(6441) Cell Rep, 2019, 27(1):294-306 Nat Mater, 2018, 17(4):361-368
S7018	CZC24832 CZC24832 is the first selective PI3Kγ inhibitor with IC50 of 27 nM, with 10-fold selectivity over PI3Kβ and >100-fold selectivity over PI3Kα and PI3Kδ.	Sci Rep, 2019, 9(1):5309 Leukemia, 2018, 32(9):1958-1969 Sci Rep, 2018, 8(1):5558	(c) MM primary cells were treated with idelalisib (1 μm), CZC24832 (1 μm) and duvelisib (1 μm) for 72 h and then assessed for apoptosis by PI/Annexin V staining (n=4).
S7813	AMG319 AMG319 is a potent and selective PI3Kδ inhibitor with IC50 of 18 nM, >47-fold selectivity over other PI3Ks. Phase 2.	Molecules, 2019, 24(7)
S7938	GSK2292767 GSK2292767 is a potent and selective PI3Kδ inhibitor.
S8163	GDC-0084 GDC-0084 is a brain penetrant inhibitor of PI3K and mTOR with Kiapp values of 2 nM, 46 nM, 3 nM, 10 nM and 70 nM for PI3Kα, PI3Kβ, PI3Kδ, PI3Kγ and mTOR.	Cell Stem Cell, 2019, 10.1016/j.stem.2019.10.005
S8560	Seletalisib (UCB-5857) Seletalisib is a novel small-molecule inhibitor of PI3Kδ with an IC50 value of 12 nM and shows significant selectivity to PI3Kδ with respect to the other class I PI3K isoforms (between 24- and 303-fold).
S8157	GDC-0326 GDC-0326 is a potent and selective inhibitor of PI3Kα with Ki value of 0.2 nM; remarkably selective over the other class I isoforms in enzymatic assays.	Microb Cell, 2018, ;5(12):545-554
S7356	HS-173 HS-173 is a potent PI3Kα inhibitor with IC50 of 0.8 nM.	Mol Pharmacol, 2019, 95(5):528-536 Molecules, 2019, 24(7) Sci Rep, 2018, 8(1):5558	b, d Serum-deprived MG-63 (b) and U20S cells (d) were pre-treated with 1 nmol/L HS-173 (PI3Kα inhibitor), 10 nmol/L TGX-221 (PI3Kβ inhibitor), 10 nmol/L CZC24832 (PI3Kγ inhibitor) and 10 nmol/L CAL-101 (PI3Kδ inhibitor) for 1 h, then were incubated with 100 ng/mL Wnt5a and harvested at 30 min after the start of Wnt5a treatment. Data were presented as mean ± SD of 3 determinations. The relative RhoA activity was normalized to the average value of each inhibitor-untreated group
S8589	SF2523 SF2523 is a highly selective and potent inhibitor of PI3K with IC50 values of 34 nM, 158 nM, 9 nM, 241 nM and 280 nM for PI3Kα, PI3Kγ, DNA-PK, BRD4 and mTOR, respectively.	Oncotarget, 2017, 8(58):98471-98481
S8752	leniolisib(CDZ 173) Leniolisib(CDZ 173) is a potent PI3Kδ selective inhibitor with biochemical IC50 values of 0.244, 0.424, 2.23 and 0.011 μM for PI3Kα, PI3Kβ, PI3Kγ and PI3Kδ, respectively.
S8581	Serabelisib (TAK-117) Serabelisib (INK-1117,MLN-1117,TAK-117) is a potent and selective oral PI3Kα isoform inhibitor (IC50 of 21 nmol/L against PI3Kα) that has demonstrated > 100-fold selectivity relative to other class I PI3K family members (PI3Kβ/γ/δ) and mTOR, and a high degree of selectivity against many other kinase.
S8330	IPI-549 IPI-549 is a potent inhibitor of PI3K-γ with >100-fold selectivity over other lipid and protein kinases. The biochemical IC50 for PI3K-γ is 16 nM.	Nat Commun, 2019, 10(1):1515 Nat Commun, 2018, 9(1):873
S2391	Quercetin Quercetin, a natural flavonoid present in vegetables, fruit and wine, is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC50 of 2.4-5.4 μM. Phase 4.	Nat Neurosci, 2019, 22(5):719-728 Front Cell Neurosci, 2019, 13:316 NPJ Precis Oncol, 2019, 3:16	After starved in serum-free medium for 24h,A549 cells incubated with the indicated concentrations of Quercetin for 3h,followed by 20-minute stimolation of 100ng/ml EGF.
S8738	Bimiralisib (PQR309) Bimiralisib (PQR309) is a novel brain-penetrant dual PI3K/mTOR inhibitor with in vitro and in vivo antilymphoma activity. It displays excellent selectivity versus PI3K-related lipid kinases, protein kinases and unrelated targets.
S8456	VVPS34 inhibitor 1 (Compound 19) VPS34 inhibitor 1 (Compound 19, PIK-III analogue) is a potent and selective inhibitor of VPS34 with an IC50 of 15 nM.	Oncotarget, 2017, 8(24):38099-38112	Confirmation of selective growth inhibition using VPS34-IN1 inhibitor. Proliferation of Tsc2+/+ and Tsc2-/- MEFs treated with vehicle control (DMSO), CQ (5 uM), VPS34-IN1 (500 nM) or the combination for 72 hours (crystal violet staining). Two sample t-test was carried out between CQ and SAR405 and each drug alone. Results are representative of three independent experiments. Bar graph represent means ±SD.
S7646	Voxtalisib (XL765) Voxtalisib (SAR245409, XL765) is a dual inhibitor of mTOR/PI3K, mostly for p110γ with IC50 of 9 nM; also inhibits DNA-PK and mTOR. Phase 1/2.	Sci Rep, 2019, 9(1):10521 Biomed Pharmacother, 2018, 103:1069-1078 Nat Neurosci, 2017, 20(8):1074-1084	HL60, HL60/ADR, K562 and K562/A02 cells pretreated with various concentrations of Voxtalisib (0, 0.625, 1.25, 2.5, 5 and 10 μM) for 48 h were harvested for western blot. The levels of cyclin D1, p27, and p-pRb in the nuclei were determined.
S8596	Autophinib Autophinib is a potent autophagy inhibitor with a novel chemotype with IC50 values of 90 and 40 nM for autophagy in starvation induced autophagy assay and rapamycin induced autophagy assay. The IC50 value for Vps34 is 19 nM in vitro.	Cell Rep, 2019, 27(12):3413-3421
S7798	GNE-317 GNE-317 is a potent, brain-penetrant PI3K inhibitor.
S8672	Tenalisib (RP6530) Tenalisib (RP6530) is a potent and selective dual PI3Kδ/γ inhibitor with IC50 values of 24.5 nM and 33.2 nM for PI3Kδ and PI3Kγ, respectively. Its selectivity over α and β isoforms are more than 300-fold and 100-fold, respectively.
S8194	umbralisib (TGR-1202) TGR-1202, a novel, next generation PI3Kδ inhibitor, inhibits PI3Kδ activity in enzyme and cell based assays with IC50 and EC50 values of 22.2 & 24.3 nM, respectively.
S5818	acalisib (GS-9820) acalisib (GS-9820) is a highly selective and potent p110δ inhibitor (IC50 = 14 nM) with 114- to 400-fold selectivity over the other class I PI3K enzymes and no activity against Class II and III PI3K family members or other PI3K-related proteins including mTOR and DNA-PK.
S7937	Nemiralisib (GSK2269557) Nemiralisib, also known as GSK-2269557, is a potent and selective PI3Kδ inhibitor(pKi = 9.9).
S8322	LY3023414(Samotolisib) LY3023414 is an oral ATP competitive inhibitor of the class I PI3K isoforms, mTOR and DNA-PK.	Oncotarget, 2017, 8(58):98964-98973	The structure and formula weight of LY3023414 were presented (A). Established human glioma cells (U251MG and A172 lines), primary human astrocytes (“Astrocytes”) or primary human glioma cells [three lines, “Glioma (L1/2/3)”], were either left untreated (“Ctrl”) or treated with LY3023414 at 1-1000 nM, cells were further cultured for indicated time; Cell survival was tested (B, C, and E) (n=5). Cell proliferation was also tested by the BrdU ELISA assay (D and F) (n=5). *p < 0.05 vs. “Ctrl”. Experiments in this figure were repeated three times.
S7980	VPS34-IN1 Vps34-IN1 is a potent and highly selective Vps34 inhibitor with IC50 of 25 nM invitro,which does not significantly inhibit the isoforms of class I as well as class II PI3Ks.	Biochem J, 2020, BCJ20190846 Nat Cell Biol, 2019, 21(3):372-383 Mol Cell, 2019, 10.1016/j.molcel.2019.10.035	C. Lysosomal and endosomal inhibition selectively targets Tsc2−/− MEFs. Proliferation of Tsc2+/+ and Tsc2−/− MEFs treated with vehicle control (DMSO), CQ (5uM), Vps34 inhibitor (SAR405; 1uM) or the combination for 72 hours (crystal violet staining). D. Confirmation of selective growth inhibition using VPS34-IN1 inhibitor. Proliferation of Tsc2+/+ and Tsc2−/− MEFs treated with vehicle control (DMSO), CQ (5uM), VPS34-IN1 (500nM) or the combination for 72 hours (crystal violet staining). Two-sample t-test was carried out between CQ and SAR405 and each drug alone. Results are representative of three independent experiments. Bar graph represent means ±SD.
S8696	2-D08 2-D08 is a cell permeable, mechanistically unique inhibitor of protein sumoylation. It is also inhibits Axl, IRAK4, ROS1, MLK4, GSK3β, RET, KDR and PI3Kα with IC50 values of 0.49, 3.9, 5.3, 9.8, 11, 11, 17 and 35 nM respectively in biochemical assays.
S7335	IPI-3063 IPI-3063 is a potent and selective p110δ inhibitor with biochemical IC50 of 2.5 ± 1.2 nM and IC50 values for the other class I PI3K isoforms (p110α, p110β, p110γ) are at least 400-fold higher.
S7682	SAR405 SAR405 is a low-molecular-mass kinase inhibitor of Vps34 (KD 1.5 nM) showing high selectivity and not be active up to 10 μM on class I and class II PI3Ks as well as on mTOR.	Nat Commun, 2019, 10(1):2850 Autophagy, 2019, 15(2):312-326 EMBO J, 2019, 38(2)	RT-112 and RT-112 (CisPt-R) cells were treated with cisplatin, SAR405, and a combination of both in absence and presence of QVD (10 µM). Again, the concentrations used were the IC50 or half IC50 values for RT-112 (CisPt-R) and RT-112, respectively. After 48 hours, the cells were lysed, and cleared cellular lysates were subjected to SDS-PAGE and immunoblotting for PARP, caspase-3 (Casp3), and Actin. One representative immunoblot is shown.
S7683	PIK-III PIK-III, which is a selective inhibitor of VPS34 enzymatic activity, inhibits autophagy and de novo lipidation of LC3 and leads to the stabilization of autophagy substrates. The IC50 values for VPS34 and PI(3)Kδ are 0.018 μM and 1.2 μM respectively.	EMBO J, 2019, 38(8):e100312 EMBO J, 2019, 38(8):e100312 Cancer Lett, 2018, 435:32-43	LC3 and DAPI immunofluorescence staining were performed to detect autophagy in VSC4.1 cells treated with 25 mM HD alone, 25 mM HD + 5 μM PIK-III, 5 μM PIK-III and 0.1% DMSO alone (control group). Scale bar: 20 μm
S7623	PI-3065 PI-3065 is a selective p110δ inhibitor with IC50 of 15 nM, >70-fold selectivity over other PI3K family members.	Leukemia, 2019, 33(6):1427-1438
S7645	Pilaralisib (XL147) Pilaralisib (XL147) is a selective and reversible class I PI3K inhibitor for PI3Kα/δ/γ with IC50 of 39 nM/36 nM/23 nM in cell-free assays, less potent to PI3Kβ. Phase 1/2.	Cell Rep, 2019, 27(2):631-647 Neoplasia, 2019, 21(6):615-626 J Cell Biochem, 2018, 119(8):6398-6407	I. OMI index decreases in BT474 organoids treated with single and combination therapies at 24 hr. J. OMI index of BT474 organoids treated for 72hr. Red bars denote p<0.05 for treated organoids vs. control. H:trastuzumab (anti-HER2); P:paclitaxel (chemotherapy); XL147 (X).
S7966	AZD8835 AZD8835 ia a novel mixed inhibitor of PI3Kα and PI3Kδ with IC50 of 6.2 nM and 5.7 nM, respectively, also with selectivity against PI3Kβ (IC50=431 nM) and PI3Kγ (IC50=90 nM).	Molecules, 2019, 24(7)
S8132	Deguelin Deguelin, a natural product isolated from plants in the Mundulea sericea family, is an PI3K/AKT Inhibitor.
S7675	PF-4989216 PF-4989216 is a potent and selective PI3K inhibitor with IC50 of 2 nM, 142 nM, 65 nM, 1 nM, and 110 nM for p110α, p110β, p110γ, p110δ, and VPS34, respectively.
S7694	AZD8186 AZD8186 is a potent and selective inhibitor of PI3Kβ and PI3Kδ with IC50 of 4 nM and 12 nM, respectively. Phase 1.	J Clin Invest, 2019, 129(12):5584-5599 Biomed Pharmacother, 2019, 117:109096 EBioMedicine, 2018, 28:80-89

Catalog No.	Information	Product Use Citations	Product Validations
S7865	740 Y-P (PDGFR 740Y-P) 740 Y-P is cell-permeable phosphopeptide activator of PI3K.	J Recept Signal Transduct Res, 2019, 39(1):80-86 J Cell Physiol, 2019, 10.1002/jcp.28255 Stem Cells Dev, 2019, 10.1089/scd.2019.0032

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Information

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S7865