IκB/IKK

Signaling Pathway Map

Research Area

Inhibitory Selectivity

Isoform-specific Inhibitors

IκB/IKK Products

All (33) IκB/IKK Inhibitors (30) IκB/IKK Activators (1) IκB/IKK Modulators (2)

Catalog No.	Information	Product Use Citations	Product Validations
S1274	BX-795 BX-795 is a potent and specific PDK1 inhibitor with IC50 of 6 nM, 140- and 1600-fold more selective for PDK1 than PKA and PKC in cell-free assays, respectively. Meanwhile, in comparison to GSK3β more than 100-fold selectivity observed for PDK1. BX-795 modulates autophagy via inhibiting ULK1.	Immunity, 2021, S1074-7613(21)00069-8 Nat Commun, 2021, 12(1):5401 J Immunother Cancer, 2021, 9(10)e003050	Induction of basal p62 Ser403 phosphorylation in ULK1/2-deﬁcient MEF was suppressed by BX-795, an inhibitor of TBK1. WT ( Ulk1 +/+/Ulk2 +/+) and Ulk1 -/- /Ulk2 -/-(KO) MEF were treated with NaCl/Pi (Con) or 10 uM BX-795 for 6 h, and subjected to immunoblotting with indicated antibodies.
S1396	Resveratrol (SRT501) Resveratrol (SRT501, trans-Resveratrol) has a wide spectrum of targets including cyclooxygenases(i.e. COX, IC50=1.1 μM), lipooxygenases（LOX, IC50=2.7 μM）, kinases, sirtuins and other proteins. It has anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular effects. Resveratrol induces mitophagy/autophagy and autophagy-dependent apoptosis.	Front Immunol, 2021, 12:685523 Int J Mol Sci, 2021, 22(5)2354 Phytomedicine, 2021, 89:153601	Cellular senescence and SIRT1 phosphorylation was monitored in PAECs (P2) incubated in DMEM containing HDL (50 mg/L), LDL (50 mg/L), or resveratrol (100 μM) for 24 hours.
S2913	BAY 11-7082 BAY 11-7082 (BAY 11-7821) is a NF-κB inhibitor, inhibits TNFα-induced IκBα phosphorylation with IC50 of 10 μM in tumor cells. BAY 11-7082 inhibits ubiquitin-specific protease USP7 and USP21 with IC50 of 0.19 μM and 0.96 μM, respectively. BAY 11-7082 induces apoptosis and S phase arrest in gastric cancer cells.	Nat Cell Biol, 2021, 23(4):355-365 Nat Commun, 2021, 12(1):1394 EMBO Rep, 2021, 22(9):e52576	Immunofluorescence images of Ishikawa cells showing the increase in the nuclear colocalization of ERa (red) and p65 (green) after E2 incubation. Nuclear colocalization is yellow. Treatment with ICI 182,780, PDTC or Bay inhibited the nuclear localization of both ERa and p65. Blue, DAPI-stained nuclei. All pictures were obtained the same day using the same microscope settings. Original magnification 3200, bar =50 um. Arrows, cytoplasmic ERa and p65 staining. ICI, ICI 182,780; Bay, Bay 11-7082.
S2882	IKK-16 (IKK Inhibitor VII) IKK-16 (IKK Inhibitor VII) is a selective IκB kinase (IKK) inhibitor for IKK-2, IKK complex and IKK-1 with IC50 of 40 nM, 70 nM and 200 nM in cell-free assays, respectively. IKK-16 also inhibits LRRK2 Ser935 phosphorylation in cells and LRRK2 kinase activity in vitro with IC50 of 50 nM.	Cell Death Dis, 2021, 12(10):864 Mol Oncol, 2021, 10.1002/1878-0261.13031 Sci Rep, 2021, 11(1):15156	Reduction in IFN-g production in TcREG by IKK-16 coincides with decrease in T-bet and Eomes expression levels. Flow cytometry plots showing cellular analysis for T-bet and Eomes in CD45+CD3+CD8+ population.
S2824	TPCA-1 TPCA-1 (GW683965) is an inhibitor of IKK-2 with IC50 of 17.9 nM in a cell-free assay, inhibits NF-κB pathway, exhibits 22-fold selectivity over IKK-1. TPCA-1 is also an inhibitor of STAT3 and enhances apoptosis.	Cell Rep, 2021, 35(6):109112 Protein Cell, 2021, 10.1007/s13238-021-00858-3 Cell Death Dis, 2021, 12(11):1004	AGS cells were treated with cwith IL-1β in the presence of the IKK inhibitor TPCA-1, the p38 MAPK inhibitor BIX02188 and the JNK inhibitor SP600125. Cell lysates were obtained 24 h after IL-1β treatment and immunoblotted with PTEN antibodies.
S6386^New	MRT67307 MRT67307 (IKKε/TBK1 Inhibitor II) inhibits IKKε and TBK1 with IC50 values of 160 nM and 19 nM at 0.1 mM ATP in vitro, but does not inhibit IKKα or IKKβ even at 10 μM. MRT67307 also is a highly potent ULK1 and ULK2 inhibitor with IC50s of 45 and 38 nM, respectively. MRT67307 can blocks autophagy in cells.
S2864	IMD 0354 IMD-0354 (IKK2 Inhibitor V) is an IKKβ inhibitor and blocks IκBα phosphorylation in NF-κB pathway.	J Control Release, 2021, 336:621-634 Front Immunol, 2021, 12:685556 Biochem Biophys Res Commun, 2021, 560:165-171	(B) Histological examinations of xenograft lesions produced by A549 cells. We stained the lesions with H&E, TUNEL and staining for Ki-67. (C, D) The histogram shows percentage of A549 cells that were positive for proliferation marker Ki-67 and apoptosis marker TUNEL in 3 representative fields. Results are expressed as the mean ± SD. ns. P > 0.05, P < 0.01 and *P < 0.001 for the indicated comparisons by 1-way A OVA or Student’s t test.
S8078	Bardoxolone Methyl Bardoxolone Methyl (RTA 402, TP-155, NSC 713200, CDDO Methyl Ester, CDDO-Me) is an IKK inhibitor, showing potent proapoptotic and anti-inflammatory activities; Also a potent Nrf2 activator and nuclear factor-κB (NF-κB) inhibitor. Bardoxolone Methyl abrogates ferroptosis. Bardoxolone methyl induces apoptosis and autophagy in cancer cells.	Drug Des Devel Ther, 2021, 15:21-35 Cancers (Basel), 2020, 12(6):E1645 Antioxidants (Basel), 2020, 9(1)	Renal Nrf2 activity was shown in RTA402-treated acFSGS (RTA402 + acFSGS) mice as early as day 7 (RTA402 + acFSGS) and persisted to day 28, compared to vehicle + acFSGS mice. Kidney in situ ROS production demonstrated by DHE detection.
S8044	BMS-345541 BMS-345541 is a highly selective inhibitor of the catalytic subunits of IKK-2 and IKK-1 with IC50 of 0.3 μM and 4 μM in cell-free assays, respectively.	J Immunol, 2021, ji2100115 Nat Cancer, 2021, 2(1):98-113 Blood Adv, 2021, 5(17):3497-3510	(E) After transfection with control or catalase siRNAs for 24 h, A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine for an additional 48 h. Cell viability was then assessed. , p<0.05. (F) A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine, in the presence or absence of catalase inhibitor 3-Amino-1,2,4-triazole (ATZ, 50 µM) for 48 h. Cell viability was then assessed. , p<0.05.
S4907	SC-514 SC-514 (GK 01140) is an orally active, ATP-competitive IKK-2 inhibitor with IC50 of 3-12 μM, blocks NF-κB-dependent gene expression, does not inhibit other IKK isoforms or other serine-threonine and tyrosine kinases.	Cell Death Differ, 2021, 10.1038/s41418-021-00787-y Biochem Biophys Res Commun, 2021, 560:165-171 Hepatology, 2020, 10.1002/hep.31249
S1681	Mesalamine (5-ASA) Mesalamine (5-Aminosalicylic acid, 5-ASA, Mesalazine, Apriso, Asacol, Pentasa, Canasa) is a specific inhibitor of TNFα-induced IKK activity, used to treat inflammatory bowel disease.	Antiviral Res, 2020, 185:104993
S7352	Bay 11-7085 BAY 11-7085 (Bay 11-7083) is an irreversible inhibitor of TNFα-induced IκBα phosphorylation with IC50 of 10 μM.	Theranostics, 2021, 11(10):4770-4789 J Neuroinflammation, 2021, 18(1):50 Adv Sci (Weinh), 2020, 7(17):2000593	VSMCs were pretreated with BAY 11-7085 (BAY, 10μmol/L) for 1h and further treated with or without 10^-7mol/L salusin-β for 30min. A, Cytoplasmic extracts (Cy) were obtained and the phosphorylated IκBα, IκBα and HDCA3 protein levels were measured by western blot analysis. B, nuclear extracts (Nu) were obtained and the nuclear p50, p65 and HDAC3 protein levels were measured by western blot analysis. Data are expressed as means ± SD (n=3). *P< 0.05 versus the control with no treatment; #P< 0.05 versus 10^-7mol/L salusin-β treatment alone.
S3615	Dehydrocostus Lactone Dehydrocostus lactone (DHE), a natural sesquiterpene lactone, inhibits IKKβ activity, IκBα phosphorylation and degradation, coactivators p300 recruitments and p50/p65 NF-κB nuclear translocation, and their DNA binding activity on COX-2 promoter. It has anti-inflammatory, anti-ulcer, immunomodulatory and anti-tumor properties.	Front Pharmacol, 2021, 12:641098 Int Immunopharmacol, 2020, 78:106075 J Cell Mol Med, 2019, 23(8):5762-5770
S0949	Cucurbitacin IIb Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB, blocks nuclear translocation of NF-κB and decreases mRNA levels of IκBα and TNF-α. Cucurbitacin IIb exhibits anti-inflammatory activity and induces apoptosis. Cucurbitacin IIb is isolated from Hemsleya amabilis.
S7851	AZD3264 AZD3264 is a novel IKK2 inhibitor.	Redox Biol, 2017, 11:562-576	(C) G361 cells were loaded with DCF (ROS probe) and further stimulated with vehicle or indicated IKKβ inhibitors for 3 h. Fluorescence was measured using a fluorescence microplate reader. *, p<0.05 versus control.
S7697	LY2409881 LY2409881 is a potent and selective IKK2 inhibitor with IC50 of 30 nM, >10-fold selectivity over IKK1 and other common kinases.	Nat Commun, 2019, 10(1):2924 Mol Pharm, 2018, 15(2):609-618 J Biol Chem, 2018, 293(30):11913-11927	A549 cells were treated with NF-kB inhibitor LY2409881 (30 nM) for 2 h, followed by western blot analysis of p-NF-kB.
S7691	PS-1145 PS-1145 is a specific IKK inhibitor with IC50 of 88 nM.	J Biol Chem, 2018, 293(19):7268-7280 Redox Biol, 2017, 562-576 Blood, 2016, 128(1):82-92	(E) After transfection with control or catalase siRNAs for 24 h, A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine for an additional 48 h. Cell viability was then assessed. , p<0.05. (F) A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine, in the presence or absence of catalase inhibitor 3-Amino-1,2,4-triazole (ATZ, 50 µM) for 48 h. Cell viability was then assessed. , p<0.05.
S3648	Amlexanox (AA-673) Amlexanox (AA-673, CHX-3673, Amoxanox) is an anti-inflammatory antiallergic immunomodulator and also an inhibitor of the protein kinases TBK1 and IKK-ε.	Gut, 2021, 70(5):890-899 Biochem Biophys Res Commun, 2021, 560:1-6 ACS Omega, 2021, 6(6):4289-4299
S7948	MRT67307 HCl MRT67307 is a potent and dual IKKϵ and TBK1 inhibitor with IC50 of 160 and 19 nM, respectively. MRT67307 potently inhibits ULK1 and ULK2 and blocks autophagy.	Cell, 2021, S0092-8674(21)00885-0 Cell Rep, 2020, 33(5):108339 Cancer Discov, 2020, 10(3):382-393
S9042	Wedelolactone Wedelolactone, a medicinal plant-derived natural compound, is an inhibitor of IKK that is critical for activation of NF-κB by mediating phosphorylation and degradation of IκBα. Wedelolactone is also an inhibitor of caspase-11.	Exp Eye Res, 2021, 211:108750 Int Immunopharmacol, 2019, 73:17-22
S9417	Homoplantaginin Homoplantaginin (Hispidulin-7-glucoside), a main flavonoid from a traditional Chinese medicine Salvia plebeia, has anti-inflammatory and anti-oxidant properties. Homoplantaginin inhibits TNF-α and IL-6 mRNA expression, IKKβ and NF-κB phosphorylation.
S0425	TBK1/IKKε-IN-2 TBK1/IKKε-IN-2 (Ikk epsilon-in-1, IKKε-IN-1, MDK10496) is a dual inhibitor of TBK1 and IKKε.
S8935	BAY-985 BAY-985 is a potent and highly selective TBK1/IKKε inhibitor. BAY-985 shows high potency toward TBK1 (IC50 = 2 nM, low ATP assay; 30 nM, high ATP assay) and IKKε(IC50 = 2 nM), as well as high potency in the mechanistic pIRF3 assay (IC50 = 74 nM), and an antiproliferative effect on SK-MEL-2 cells (IC50 = 900 nM).
S3607	Sarsasapogenin Sarsasapogenin (SAR, Parigenin) is a steroidal sapogenin. It can provoke the generation of reactive oxygen species and activate unfolded protein response (UPR) signaling pathways. SAR potently inhibits NF-κB and MAPK activation, as well as IRAK1, TAK1, and IκBα phosphorylation in LPS-stimulated macrophages.
S8922	TBK1/IKKε-IN-1(compound 1) TBK1/IKKε-IN-1 (compound 1) is a dual inhibitor of TANK-binding kinase 1 (TBK1) and IκB kinase-ε (IKKε/IKK-i) with IC50 of 1.0 nM and 5.6 nM for TBK1 and IKKε, respectively. TBK1/IKKε inhibition enhances response to PD-1 blockade, which effectively predicts tumor response in vivo.	J Med Chem, 2018, 61(3):760-776
S1321	Urolithin B Urolithin B inhibits NF-κB activity by reducing the phosphorylation and degradation of IκBα. Urolithin B suppresses the phosphorylation of JNK, ERK, and Akt, and enhances the phosphorylation of AMPK. Urolithin B is also a regulator of skeletal muscle mass.
S6714	INH14 INH14 is an inhibitor of TLR2-mediated NF-kB activation with IC50 values of 8.975 μM and 3.598 μM for IKKα and IKKβ, respectively.
S3298	Caulophylline (N-Methylcytisine) Caulophylline (N-Methylcytisine, Caulophyllin, NMC) is a tricyclic quinolizidine alkaloid with anti-inflammatory activities. Caulophylline binds to nicotinic acetylcholine receptors (nAChR) from squid optical ganglia with Kd of 50 nM. Caulophylline significantly reduces myeloperoxidase (MPO) activity, blocks the activation of NF-κB by inhibiting IκB and IKK phosphorylation.
S9184	Forsythoside B Forsythoside B is a phenylethanoid glycoside isolated from the leaves of Lamiophlomis rotata Kudo, a Chinese folk medicinal plant. Forsythoside B has potent neuroprotective effects and has anti-inflammation, antioxidant, and antisepsis properties. Forsythoside B could inhibit TNF-alpha, IL-6, IκB and modulate NF-κB.
S3612	Rosmarinic acid Rosmarinic acid (RA, Rosemary acid) is a naturally occurring hydroxylated compound. It has the ability to block complement fixation, inhibit lipoxygenase and cyclooxygenase activity and inhibit the expression of CCL11 and CCR3 by suppressing the IKK-β activity in NF-κB activation signaling.	Free Radic Biol Med, 2021, S0891-5849(21)00198-2
S3168^New	cis-Resveratrol cis-Resveratrol (cis-RESV, cRes, (Z)-Resveratrol) is the Cis isomer of Resveratrol. Resveratrol is a natural phenolic compound with anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. Resveratrol is an inhibitor of pregnane X receptor (PXR) and an activator of Nrf2 and SIRT1 and may induce apoptosis. Resveratrol also inhibits a wide spectrum of targets including 5-lipoxygenase (LOX), cyclooxygenase (COX), IKKβ, DNA polymerases α and δ with IC50 of 2.7 μM, <1 μM, 1 μM, 3.3 μM and 5 μM, respectively.
S7441	WS3 WS3 is a β cell proliferation inducer via modulation of Erb3 binding protein-1 (EBP1) and the IκB kinase pathway.	Virus Res, 2021, 301:198435
S7442	WS6 WS6 is a β cell proliferation inducer via modulation of Erb3 binding protein-1 (EBP1) and the IκB kinase pathway.

Catalog No.	Information	Product Use Citations	Product Validations
S1274	BX-795 BX-795 is a potent and specific PDK1 inhibitor with IC50 of 6 nM, 140- and 1600-fold more selective for PDK1 than PKA and PKC in cell-free assays, respectively. Meanwhile, in comparison to GSK3β more than 100-fold selectivity observed for PDK1. BX-795 modulates autophagy via inhibiting ULK1.	Immunity, 2021, S1074-7613(21)00069-8 Nat Commun, 2021, 12(1):5401 J Immunother Cancer, 2021, 9(10)e003050	Induction of basal p62 Ser403 phosphorylation in ULK1/2-deﬁcient MEF was suppressed by BX-795, an inhibitor of TBK1. WT ( Ulk1 +/+/Ulk2 +/+) and Ulk1 -/- /Ulk2 -/-(KO) MEF were treated with NaCl/Pi (Con) or 10 uM BX-795 for 6 h, and subjected to immunoblotting with indicated antibodies.
S1396	Resveratrol (SRT501) Resveratrol (SRT501, trans-Resveratrol) has a wide spectrum of targets including cyclooxygenases(i.e. COX, IC50=1.1 μM), lipooxygenases（LOX, IC50=2.7 μM）, kinases, sirtuins and other proteins. It has anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular effects. Resveratrol induces mitophagy/autophagy and autophagy-dependent apoptosis.	Front Immunol, 2021, 12:685523 Int J Mol Sci, 2021, 22(5)2354 Phytomedicine, 2021, 89:153601	Cellular senescence and SIRT1 phosphorylation was monitored in PAECs (P2) incubated in DMEM containing HDL (50 mg/L), LDL (50 mg/L), or resveratrol (100 μM) for 24 hours.
S2913	BAY 11-7082 BAY 11-7082 (BAY 11-7821) is a NF-κB inhibitor, inhibits TNFα-induced IκBα phosphorylation with IC50 of 10 μM in tumor cells. BAY 11-7082 inhibits ubiquitin-specific protease USP7 and USP21 with IC50 of 0.19 μM and 0.96 μM, respectively. BAY 11-7082 induces apoptosis and S phase arrest in gastric cancer cells.	Nat Cell Biol, 2021, 23(4):355-365 Nat Commun, 2021, 12(1):1394 EMBO Rep, 2021, 22(9):e52576	Immunofluorescence images of Ishikawa cells showing the increase in the nuclear colocalization of ERa (red) and p65 (green) after E2 incubation. Nuclear colocalization is yellow. Treatment with ICI 182,780, PDTC or Bay inhibited the nuclear localization of both ERa and p65. Blue, DAPI-stained nuclei. All pictures were obtained the same day using the same microscope settings. Original magnification 3200, bar =50 um. Arrows, cytoplasmic ERa and p65 staining. ICI, ICI 182,780; Bay, Bay 11-7082.
S2882	IKK-16 (IKK Inhibitor VII) IKK-16 (IKK Inhibitor VII) is a selective IκB kinase (IKK) inhibitor for IKK-2, IKK complex and IKK-1 with IC50 of 40 nM, 70 nM and 200 nM in cell-free assays, respectively. IKK-16 also inhibits LRRK2 Ser935 phosphorylation in cells and LRRK2 kinase activity in vitro with IC50 of 50 nM.	Cell Death Dis, 2021, 12(10):864 Mol Oncol, 2021, 10.1002/1878-0261.13031 Sci Rep, 2021, 11(1):15156	Reduction in IFN-g production in TcREG by IKK-16 coincides with decrease in T-bet and Eomes expression levels. Flow cytometry plots showing cellular analysis for T-bet and Eomes in CD45+CD3+CD8+ population.
S2824	TPCA-1 TPCA-1 (GW683965) is an inhibitor of IKK-2 with IC50 of 17.9 nM in a cell-free assay, inhibits NF-κB pathway, exhibits 22-fold selectivity over IKK-1. TPCA-1 is also an inhibitor of STAT3 and enhances apoptosis.	Cell Rep, 2021, 35(6):109112 Protein Cell, 2021, 10.1007/s13238-021-00858-3 Cell Death Dis, 2021, 12(11):1004	AGS cells were treated with cwith IL-1β in the presence of the IKK inhibitor TPCA-1, the p38 MAPK inhibitor BIX02188 and the JNK inhibitor SP600125. Cell lysates were obtained 24 h after IL-1β treatment and immunoblotted with PTEN antibodies.
S6386^New	MRT67307 MRT67307 (IKKε/TBK1 Inhibitor II) inhibits IKKε and TBK1 with IC50 values of 160 nM and 19 nM at 0.1 mM ATP in vitro, but does not inhibit IKKα or IKKβ even at 10 μM. MRT67307 also is a highly potent ULK1 and ULK2 inhibitor with IC50s of 45 and 38 nM, respectively. MRT67307 can blocks autophagy in cells.
S2864	IMD 0354 IMD-0354 (IKK2 Inhibitor V) is an IKKβ inhibitor and blocks IκBα phosphorylation in NF-κB pathway.	J Control Release, 2021, 336:621-634 Front Immunol, 2021, 12:685556 Biochem Biophys Res Commun, 2021, 560:165-171	(B) Histological examinations of xenograft lesions produced by A549 cells. We stained the lesions with H&E, TUNEL and staining for Ki-67. (C, D) The histogram shows percentage of A549 cells that were positive for proliferation marker Ki-67 and apoptosis marker TUNEL in 3 representative fields. Results are expressed as the mean ± SD. ns. P > 0.05, P < 0.01 and *P < 0.001 for the indicated comparisons by 1-way A OVA or Student’s t test.
S8078	Bardoxolone Methyl Bardoxolone Methyl (RTA 402, TP-155, NSC 713200, CDDO Methyl Ester, CDDO-Me) is an IKK inhibitor, showing potent proapoptotic and anti-inflammatory activities; Also a potent Nrf2 activator and nuclear factor-κB (NF-κB) inhibitor. Bardoxolone Methyl abrogates ferroptosis. Bardoxolone methyl induces apoptosis and autophagy in cancer cells.	Drug Des Devel Ther, 2021, 15:21-35 Cancers (Basel), 2020, 12(6):E1645 Antioxidants (Basel), 2020, 9(1)	Renal Nrf2 activity was shown in RTA402-treated acFSGS (RTA402 + acFSGS) mice as early as day 7 (RTA402 + acFSGS) and persisted to day 28, compared to vehicle + acFSGS mice. Kidney in situ ROS production demonstrated by DHE detection.
S8044	BMS-345541 BMS-345541 is a highly selective inhibitor of the catalytic subunits of IKK-2 and IKK-1 with IC50 of 0.3 μM and 4 μM in cell-free assays, respectively.	J Immunol, 2021, ji2100115 Nat Cancer, 2021, 2(1):98-113 Blood Adv, 2021, 5(17):3497-3510	(E) After transfection with control or catalase siRNAs for 24 h, A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine for an additional 48 h. Cell viability was then assessed. , p<0.05. (F) A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine, in the presence or absence of catalase inhibitor 3-Amino-1,2,4-triazole (ATZ, 50 µM) for 48 h. Cell viability was then assessed. , p<0.05.
S4907	SC-514 SC-514 (GK 01140) is an orally active, ATP-competitive IKK-2 inhibitor with IC50 of 3-12 μM, blocks NF-κB-dependent gene expression, does not inhibit other IKK isoforms or other serine-threonine and tyrosine kinases.	Cell Death Differ, 2021, 10.1038/s41418-021-00787-y Biochem Biophys Res Commun, 2021, 560:165-171 Hepatology, 2020, 10.1002/hep.31249
S1681	Mesalamine (5-ASA) Mesalamine (5-Aminosalicylic acid, 5-ASA, Mesalazine, Apriso, Asacol, Pentasa, Canasa) is a specific inhibitor of TNFα-induced IKK activity, used to treat inflammatory bowel disease.	Antiviral Res, 2020, 185:104993
S7352	Bay 11-7085 BAY 11-7085 (Bay 11-7083) is an irreversible inhibitor of TNFα-induced IκBα phosphorylation with IC50 of 10 μM.	Theranostics, 2021, 11(10):4770-4789 J Neuroinflammation, 2021, 18(1):50 Adv Sci (Weinh), 2020, 7(17):2000593	VSMCs were pretreated with BAY 11-7085 (BAY, 10μmol/L) for 1h and further treated with or without 10^-7mol/L salusin-β for 30min. A, Cytoplasmic extracts (Cy) were obtained and the phosphorylated IκBα, IκBα and HDCA3 protein levels were measured by western blot analysis. B, nuclear extracts (Nu) were obtained and the nuclear p50, p65 and HDAC3 protein levels were measured by western blot analysis. Data are expressed as means ± SD (n=3). *P< 0.05 versus the control with no treatment; #P< 0.05 versus 10^-7mol/L salusin-β treatment alone.
S3615	Dehydrocostus Lactone Dehydrocostus lactone (DHE), a natural sesquiterpene lactone, inhibits IKKβ activity, IκBα phosphorylation and degradation, coactivators p300 recruitments and p50/p65 NF-κB nuclear translocation, and their DNA binding activity on COX-2 promoter. It has anti-inflammatory, anti-ulcer, immunomodulatory and anti-tumor properties.	Front Pharmacol, 2021, 12:641098 Int Immunopharmacol, 2020, 78:106075 J Cell Mol Med, 2019, 23(8):5762-5770
S0949	Cucurbitacin IIb Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB, blocks nuclear translocation of NF-κB and decreases mRNA levels of IκBα and TNF-α. Cucurbitacin IIb exhibits anti-inflammatory activity and induces apoptosis. Cucurbitacin IIb is isolated from Hemsleya amabilis.
S7851	AZD3264 AZD3264 is a novel IKK2 inhibitor.	Redox Biol, 2017, 11:562-576	(C) G361 cells were loaded with DCF (ROS probe) and further stimulated with vehicle or indicated IKKβ inhibitors for 3 h. Fluorescence was measured using a fluorescence microplate reader. *, p<0.05 versus control.
S7697	LY2409881 LY2409881 is a potent and selective IKK2 inhibitor with IC50 of 30 nM, >10-fold selectivity over IKK1 and other common kinases.	Nat Commun, 2019, 10(1):2924 Mol Pharm, 2018, 15(2):609-618 J Biol Chem, 2018, 293(30):11913-11927	A549 cells were treated with NF-kB inhibitor LY2409881 (30 nM) for 2 h, followed by western blot analysis of p-NF-kB.
S7691	PS-1145 PS-1145 is a specific IKK inhibitor with IC50 of 88 nM.	J Biol Chem, 2018, 293(19):7268-7280 Redox Biol, 2017, 562-576 Blood, 2016, 128(1):82-92	(E) After transfection with control or catalase siRNAs for 24 h, A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine for an additional 48 h. Cell viability was then assessed. , p<0.05. (F) A375 and G361 cells were treated with vehicle or 2.5 µM BMS-345541, 20 µM PS-1145 and/or 50 µM of fotemustine, in the presence or absence of catalase inhibitor 3-Amino-1,2,4-triazole (ATZ, 50 µM) for 48 h. Cell viability was then assessed. , p<0.05.
S3648	Amlexanox (AA-673) Amlexanox (AA-673, CHX-3673, Amoxanox) is an anti-inflammatory antiallergic immunomodulator and also an inhibitor of the protein kinases TBK1 and IKK-ε.	Gut, 2021, 70(5):890-899 Biochem Biophys Res Commun, 2021, 560:1-6 ACS Omega, 2021, 6(6):4289-4299
S7948	MRT67307 HCl MRT67307 is a potent and dual IKKϵ and TBK1 inhibitor with IC50 of 160 and 19 nM, respectively. MRT67307 potently inhibits ULK1 and ULK2 and blocks autophagy.	Cell, 2021, S0092-8674(21)00885-0 Cell Rep, 2020, 33(5):108339 Cancer Discov, 2020, 10(3):382-393
S9042	Wedelolactone Wedelolactone, a medicinal plant-derived natural compound, is an inhibitor of IKK that is critical for activation of NF-κB by mediating phosphorylation and degradation of IκBα. Wedelolactone is also an inhibitor of caspase-11.	Exp Eye Res, 2021, 211:108750 Int Immunopharmacol, 2019, 73:17-22
S9417	Homoplantaginin Homoplantaginin (Hispidulin-7-glucoside), a main flavonoid from a traditional Chinese medicine Salvia plebeia, has anti-inflammatory and anti-oxidant properties. Homoplantaginin inhibits TNF-α and IL-6 mRNA expression, IKKβ and NF-κB phosphorylation.
S0425	TBK1/IKKε-IN-2 TBK1/IKKε-IN-2 (Ikk epsilon-in-1, IKKε-IN-1, MDK10496) is a dual inhibitor of TBK1 and IKKε.
S8935	BAY-985 BAY-985 is a potent and highly selective TBK1/IKKε inhibitor. BAY-985 shows high potency toward TBK1 (IC50 = 2 nM, low ATP assay; 30 nM, high ATP assay) and IKKε(IC50 = 2 nM), as well as high potency in the mechanistic pIRF3 assay (IC50 = 74 nM), and an antiproliferative effect on SK-MEL-2 cells (IC50 = 900 nM).
S3607	Sarsasapogenin Sarsasapogenin (SAR, Parigenin) is a steroidal sapogenin. It can provoke the generation of reactive oxygen species and activate unfolded protein response (UPR) signaling pathways. SAR potently inhibits NF-κB and MAPK activation, as well as IRAK1, TAK1, and IκBα phosphorylation in LPS-stimulated macrophages.
S8922	TBK1/IKKε-IN-1(compound 1) TBK1/IKKε-IN-1 (compound 1) is a dual inhibitor of TANK-binding kinase 1 (TBK1) and IκB kinase-ε (IKKε/IKK-i) with IC50 of 1.0 nM and 5.6 nM for TBK1 and IKKε, respectively. TBK1/IKKε inhibition enhances response to PD-1 blockade, which effectively predicts tumor response in vivo.	J Med Chem, 2018, 61(3):760-776
S1321	Urolithin B Urolithin B inhibits NF-κB activity by reducing the phosphorylation and degradation of IκBα. Urolithin B suppresses the phosphorylation of JNK, ERK, and Akt, and enhances the phosphorylation of AMPK. Urolithin B is also a regulator of skeletal muscle mass.
S6714	INH14 INH14 is an inhibitor of TLR2-mediated NF-kB activation with IC50 values of 8.975 μM and 3.598 μM for IKKα and IKKβ, respectively.
S3298	Caulophylline (N-Methylcytisine) Caulophylline (N-Methylcytisine, Caulophyllin, NMC) is a tricyclic quinolizidine alkaloid with anti-inflammatory activities. Caulophylline binds to nicotinic acetylcholine receptors (nAChR) from squid optical ganglia with Kd of 50 nM. Caulophylline significantly reduces myeloperoxidase (MPO) activity, blocks the activation of NF-κB by inhibiting IκB and IKK phosphorylation.
S9184	Forsythoside B Forsythoside B is a phenylethanoid glycoside isolated from the leaves of Lamiophlomis rotata Kudo, a Chinese folk medicinal plant. Forsythoside B has potent neuroprotective effects and has anti-inflammation, antioxidant, and antisepsis properties. Forsythoside B could inhibit TNF-alpha, IL-6, IκB and modulate NF-κB.
S3612	Rosmarinic acid Rosmarinic acid (RA, Rosemary acid) is a naturally occurring hydroxylated compound. It has the ability to block complement fixation, inhibit lipoxygenase and cyclooxygenase activity and inhibit the expression of CCL11 and CCR3 by suppressing the IKK-β activity in NF-κB activation signaling.	Free Radic Biol Med, 2021, S0891-5849(21)00198-2

Catalog No.	Information	Product Use Citations	Product Validations
S3168^New	cis-Resveratrol cis-Resveratrol (cis-RESV, cRes, (Z)-Resveratrol) is the Cis isomer of Resveratrol. Resveratrol is a natural phenolic compound with anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. Resveratrol is an inhibitor of pregnane X receptor (PXR) and an activator of Nrf2 and SIRT1 and may induce apoptosis. Resveratrol also inhibits a wide spectrum of targets including 5-lipoxygenase (LOX), cyclooxygenase (COX), IKKβ, DNA polymerases α and δ with IC50 of 2.7 μM, <1 μM, 1 μM, 3.3 μM and 5 μM, respectively.

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S3168^New

cis-Resveratrol

cis-Resveratrol (cis-RESV, cRes, (Z)-Resveratrol) is the Cis isomer of Resveratrol. Resveratrol is a natural phenolic compound with anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. Resveratrol is an inhibitor of pregnane X receptor (PXR) and an activator of Nrf2 and SIRT1 and may induce apoptosis. Resveratrol also inhibits a wide spectrum of targets including 5-lipoxygenase (LOX), cyclooxygenase (COX), IKKβ, DNA polymerases α and δ with IC50 of 2.7 μM, <1 μM, 1 μM, 3.3 μM and 5 μM, respectively.

Catalog No.	Information	Product Use Citations	Product Validations
S7441	WS3 WS3 is a β cell proliferation inducer via modulation of Erb3 binding protein-1 (EBP1) and the IκB kinase pathway.	Virus Res, 2021, 301:198435
S7442	WS6 WS6 is a β cell proliferation inducer via modulation of Erb3 binding protein-1 (EBP1) and the IκB kinase pathway.

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S7441