ALK
Signaling Pathway Map
Research Area
Inhibitory Selectivity
ALK Products
| Catalog No. | Information | Product Use Citations | Product Validations |
|---|---|---|---|
| S1068 |
Crizotinib (PF-02341066)Crizotinib (PF-02341066) is a potent inhibitor of c-Met and ALK with IC50 of 11 nM and 24 nM in cell-based assays, respectively. It is also a potent ROS1 inhibitor with Ki value less than 0.025 nM. Crizotinib induces autophagy through inhibition of the STAT3 pathway in multiple lung cancer cell lines. |
(c) Western blot analyses of p-Akt (Ser473) and p-S6RP (Ser235 and Ser236) in two RCT-E565 transplanted tumors treated with vehicle or PF02341066. Samples were isolated 4 h after the last dose from mice treated with PF02341066 for 3 d. (d) Responses of RCT-E565 transplanted tumors in athymic mice to PF02341066 or vehicle. Data are means ±s.e.m. (each group, n = 6). *P < 0.005, **P < 0.001 (Student,s t test). |
|
| S1108 |
TAE684 (NVP-TAE684)TAE684 (NVP-TAE684) is a potent and selective ALK inhibitor with IC50 of 3 nM in a cell-free assay, 100-fold more sensitive for ALK than InsR. TAE684 (NVP-TAE684) induces cell cycle arrest and apoptosis. |
(A) H3122 xenografts harboring the EML4-ALK translocation were treated with control vehicle or the ALK inhibitor, TAE-684, for 2 days; the tumors were excised and lysates were prepared. The TIMM results for the control and treated animals are shown. (B) H3122 cells were treated in the presence or absence of TAE-684 (100 nM) for 6 hours in the presence or absence of the indicated ligands [EGF (50 ng/mL), IGF1 (50 ng/mL), and HGF (50 ng/mL)]. Extracts were probed with the indicated antibodies. |
|
| S2762 |
Alectinib (CH5424802)Alectinib (CH5424802, AF-802, RG-7853) is a potent ALK inhibitor with IC50 of 1.9 nM in cell-free assays, sensitive to L1196M mutation and higher selectivity for ALK than PF-02341066, NVP-TAE684 and PHA-E429. |
Sensitivity of the H3122 cell line to ALK inhibitors (crizotinib and alectinib). To examine the sensitivity of ALK inhibitors, used an MTT assay. The experiment was performed in triplicate. (A) Growth inhibitory effect of crizotinib. The H3122 cell line was sensitive to crizotinib under a normoxic state, compared with a hypoxic state. The graphs, mean of independent triplicate experiments; error bars, SD. (B) IC50 of ALK inhibitors. The IC50 values of both inhibitors in the H3122 cell lines were significantly higher under hypoxia than under normoxia (crizotinib, *P=0.028 and alectinib, *P=0.0035). *P<0.05.
|
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| S7083 |
Ceritinib (LDK378)Ceritinib (LDK378) is potent inhibitor against ALK with IC50 of 0.2 nM in cell-free assays. Ceritinib (LDK378) also inhibits IGF-1R, InsR, STK22D and FLT3 with IC50 of 8 nM, 7 nM, 23 nM and 60 nM, respectively. Phase 3. |
Quantitation of crystal violet uptake by ORF-expressing cells exposed to crizotinib (CRZ) or ceritinib (CER) normalized to Lac Z. Mean and SE are shown for six (CRZ) or four (CER) independent experiments of three replicates each.
|
|
| S7000 |
AP26113-analog (ALK-IN-1)AP26113-analog (ALK-IN-1) is an analog of AP26113 which is a potent and selective ALK inhibitor. It is also an inhibitor of EGFR. |
Several ALK inhibitors effectively inhibit the growth of CD74–ROS1–addicted Ba/F3 cells. A, Ba/F3 cells expressing CD74–ROS1 (clone #6) were seeded in 96-well plates and treated with the indicated concentration of crizotinib, ceritinib, AP26113, ASP3026, or alectinib for 72 hours. Cell viability was analyzed using the CellTiter-Glo Assay. B, IC50 values (nmol/L) of Ba/F3 cell lines expressing CD74–ROS1 (clone #6) against various ALK inhibitors are shown. Average IC50 values against crizotinib, ceritinib, or AP26113 were calculated from the three independent experiments. IC50 values against ASP3026 and alectinib were calculated from the single experiment. C, inhibition of phospho-ROS1 by various ALK inhibitors in Ba/F3 models. CD74–ROS1–expressing Ba/F3 cells were exposed to increasing concentrations of crizotinib, ceritinib, AP26113, ASP3026, or alectinib for 3 hours. Cell lysates were immunoblotted to detect the indicated proteins. |
|
| S4967New |
Ceritinib dihydrochlorideCeritinib (Zykadia, LDK378) dihydrochloride is a selective, orally bioavailable and ATP-competitive inhibitor of ALK with IC50 of 0.2 nM. Ceritinib dihydrochloride also inhibits InsR, IGF-1R and STK22D with IC50 of 7 nM, 8 nM and 23 nM, respectively. Ceritinib exhibits antitomor activity. |
||
| S5190New |
Crizotinib hydrochlorideCrizotinib (PF-02341066) hydrochloride (Xalkori) inhibits tyrosine phosphorylation of c-Met and nucleophosmin (NPM)-anaplastic lymphoma kinase (ALK) with IC50 of of 11 nM and 24 nM in cell-based assays, respectively. Crizotinib hydrochloride is also a potent ROS1 inhibitor with Ki less than 0.025 nM. Crizotinib induces autophagy through inhibition of the STAT3 pathway in multiple lung cancer cell lines. |
||
| S2703 |
GSK1838705AGSK1838705A is a potent IGF-1R inhibitor with IC50 of 2.0 nM, modestly potent to IR and ALK with IC50 of 1.6 nM and 0.5 nM, respectively, and little activity to other protein kinases. |
GSK1838705A suppresses glioma tumor growth and induces apoptosis in vivo. (A) Following inoculation of U87MG cells, formulated vehicle control or GSK1838705A (4 and 8 mg/kg) was injected into the corresponding group of nude mice (n=6/group) once daily. The tumors were measured every other day for 11 days and the tumor volumes were calculated. Starting on day 7, the differences between the treatment groups (4 and 8 mg/kg) and the vehicle control group were significant (P<0.05). (B) Body weights of the mice during the course of treatment were measured as an indication of significant cytotoxic effects. The data are expressed as the mean ± standard deviation. No significant differences are observed between any two of the groups during the course of treatment. (C) At the end of treatment, the tumors were harvested. GSK1838705A (8 mg/kg) induced the apoptosis of tumor cells in vivo, determined using a TUNEL assay (green) and nuclear staining with Hoechst (blue). Representative images are shown (magnification, ×40). TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling. |
|
| S7106 |
AZD3463AZD3463 is a novel orally bioavailable ALK inhibitor with Ki of 0.75 nM, which also inhibits IGF1R with equivalent potency. AZD3463 suppresses cell viability by inducing both cell apoptosis and autophagy. |
(E) Immunoblot analysis of lysates of A4573 and TC32 cells following exposure to media only (Control, C); ST/V and V/ST with (+) or without (-) 20 nM AZD3463 using antibodies against ALK, IGF-1R, STAT3 (Y705), p-STAT3, AKT, p-AKT (S473), MAPK, p-MAPK (p42/44). |
|
| S8054 |
ASP3026ASP3026 is a novel and selective inhibitor for ALK with IC50 of 3.5 nM. Phase 1. |
||
| S2934 |
Ensartinib (X-396) dihydrochlorideEnsartinib (X-396) is a potent new-generation ALK inhibitor with high activity against a broad range of known crizotinib-resistant ALK mutations and CNS metastases. It potently inhibits both wild-type ALK and ALK variants (F1174, C1156Y, L1196M, S1206R, T1151, and G1202R mutants) with in vitro IC50s of <4 nM. |
||
| S6513 |
HG-14-10-04HG-14-10-04 is an inhibitor of ALK. |
||
| S6505 |
X-376X-376 is an ALK inhibitor and potentially useful in non-small cell lung cancer. |
||
| S7998 |
Entrectinib (RXDX-101)Entrectinib (RXDX-101, NMS-E628) is an orally bioavailable pan-TrkA/B/C, ROS1 and ALK inhibitor with IC50 ranging between 0.1 and 1.7 nM. Entrectinib (RXDX-101) induces autophagy. Phase 2. |
Tumor cells were treated with entrectinib (10 nmol/L) for 4 hours or c-PARP for 48 hours, and harvested lysates were assessed by Western blotting. Data shown are representative of three independent experiments with similar results.
|
|
| S0072 |
MS4078MS4078 is an inhibitor and PROTAC (degrader) of ALK. MS4078 reduces the NPM-ALK protein levels in SU-DHL-1 cells and the EML4-ALK protein levels in NCI-H2228 cells with DC50 of 11 nM and 59 nM, respectively. MS4078 induces ALK protein degradation via cereblon and proteasome dependent mechanism and potently inhibits proliferation of SU-DHL-1 cells with IC50 of 33 nM. |
||
| S8583 |
Repotrectinib (TPX-0005)Repotrectinib (TPX-0005) is a novel ALK/ROS1/TRK inhibitor with the IC50 values of 1.01 nM for WT ALK, 1.26 nM for ALK(G1202R), and 1.08 nM for ALK(L1196M); also a potent SRC inhibitor (IC50 5.3 nM). |
||
| S8229 |
Brigatinib (AP26113)Brigatinib (AP26113) is a potent and selective ALK (IC50, 0.6 nM) and ROS1 (IC50, 0.9 nM) inhibitor. It also inhibits IGF-1R, FLT3, and mutant variants of FLT3 (D835Y) and EGFR with lower potentcy. |
Immunoblotting analysis of H3122 and H3122-CER cells showing that brigatinib did not inhibit EGFR phosphorylation (p-EGFR). Total EGFR (t-EGFR) is also shown. Actin was used as a loading control. The cells were treated with brigatinib for 2 hours.
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| S8511 |
Belizatinib (TSR-011)"Belizatinib (TSR-011) is a potent inhibitor of ALK (IC50=0.7 nM) and tropomyosin receptor kinase (TRK) (IC50 values less than 3 nM for TRK A, B, and C). " |
||
| S7536 |
Lorlatinib (PF-6463922)Lorlatinib (PF-6463922) is a potent, dual ALK/ROS1 inhibitor with Ki of <0.02 nM, <0.07 nM, and 0.7 nM for ROS1, ALK (WT), and ALK (L1196M), respectively. PF-06463922 induces apoptosis. Phase 1. |
Sub-G1 and cell cycle phase distribution of NBLW and NBLW-R cells treated for 24 hours with DMSO, 1× or 10× the respective GI 50 concentrations of PF-06463922.
|
|
| S5232 |
Alectinib (CH5424802) hydrochlorideAlectinib (AF802, CH5424802, RO5424802, RG-7853) is a second generation oral drug that selectively inhibits the activity of anaplastic lymphoma kinase (ALK) tyrosine kinase. |
| Catalog No. | Information | Product Use Citations | Product Validations |
|---|---|---|---|
| S1068 |
Crizotinib (PF-02341066)Crizotinib (PF-02341066) is a potent inhibitor of c-Met and ALK with IC50 of 11 nM and 24 nM in cell-based assays, respectively. It is also a potent ROS1 inhibitor with Ki value less than 0.025 nM. Crizotinib induces autophagy through inhibition of the STAT3 pathway in multiple lung cancer cell lines. |
(c) Western blot analyses of p-Akt (Ser473) and p-S6RP (Ser235 and Ser236) in two RCT-E565 transplanted tumors treated with vehicle or PF02341066. Samples were isolated 4 h after the last dose from mice treated with PF02341066 for 3 d. (d) Responses of RCT-E565 transplanted tumors in athymic mice to PF02341066 or vehicle. Data are means ±s.e.m. (each group, n = 6). *P < 0.005, **P < 0.001 (Student,s t test). |
|
| S1108 |
TAE684 (NVP-TAE684)TAE684 (NVP-TAE684) is a potent and selective ALK inhibitor with IC50 of 3 nM in a cell-free assay, 100-fold more sensitive for ALK than InsR. TAE684 (NVP-TAE684) induces cell cycle arrest and apoptosis. |
(A) H3122 xenografts harboring the EML4-ALK translocation were treated with control vehicle or the ALK inhibitor, TAE-684, for 2 days; the tumors were excised and lysates were prepared. The TIMM results for the control and treated animals are shown. (B) H3122 cells were treated in the presence or absence of TAE-684 (100 nM) for 6 hours in the presence or absence of the indicated ligands [EGF (50 ng/mL), IGF1 (50 ng/mL), and HGF (50 ng/mL)]. Extracts were probed with the indicated antibodies. |
|
| S2762 |
Alectinib (CH5424802)Alectinib (CH5424802, AF-802, RG-7853) is a potent ALK inhibitor with IC50 of 1.9 nM in cell-free assays, sensitive to L1196M mutation and higher selectivity for ALK than PF-02341066, NVP-TAE684 and PHA-E429. |
Sensitivity of the H3122 cell line to ALK inhibitors (crizotinib and alectinib). To examine the sensitivity of ALK inhibitors, used an MTT assay. The experiment was performed in triplicate. (A) Growth inhibitory effect of crizotinib. The H3122 cell line was sensitive to crizotinib under a normoxic state, compared with a hypoxic state. The graphs, mean of independent triplicate experiments; error bars, SD. (B) IC50 of ALK inhibitors. The IC50 values of both inhibitors in the H3122 cell lines were significantly higher under hypoxia than under normoxia (crizotinib, *P=0.028 and alectinib, *P=0.0035). *P<0.05.
|
|
| S7083 |
Ceritinib (LDK378)Ceritinib (LDK378) is potent inhibitor against ALK with IC50 of 0.2 nM in cell-free assays. Ceritinib (LDK378) also inhibits IGF-1R, InsR, STK22D and FLT3 with IC50 of 8 nM, 7 nM, 23 nM and 60 nM, respectively. Phase 3. |
Quantitation of crystal violet uptake by ORF-expressing cells exposed to crizotinib (CRZ) or ceritinib (CER) normalized to Lac Z. Mean and SE are shown for six (CRZ) or four (CER) independent experiments of three replicates each.
|
|
| S7000 |
AP26113-analog (ALK-IN-1)AP26113-analog (ALK-IN-1) is an analog of AP26113 which is a potent and selective ALK inhibitor. It is also an inhibitor of EGFR. |
Several ALK inhibitors effectively inhibit the growth of CD74–ROS1–addicted Ba/F3 cells. A, Ba/F3 cells expressing CD74–ROS1 (clone #6) were seeded in 96-well plates and treated with the indicated concentration of crizotinib, ceritinib, AP26113, ASP3026, or alectinib for 72 hours. Cell viability was analyzed using the CellTiter-Glo Assay. B, IC50 values (nmol/L) of Ba/F3 cell lines expressing CD74–ROS1 (clone #6) against various ALK inhibitors are shown. Average IC50 values against crizotinib, ceritinib, or AP26113 were calculated from the three independent experiments. IC50 values against ASP3026 and alectinib were calculated from the single experiment. C, inhibition of phospho-ROS1 by various ALK inhibitors in Ba/F3 models. CD74–ROS1–expressing Ba/F3 cells were exposed to increasing concentrations of crizotinib, ceritinib, AP26113, ASP3026, or alectinib for 3 hours. Cell lysates were immunoblotted to detect the indicated proteins. |
|
| S4967New |
Ceritinib dihydrochlorideCeritinib (Zykadia, LDK378) dihydrochloride is a selective, orally bioavailable and ATP-competitive inhibitor of ALK with IC50 of 0.2 nM. Ceritinib dihydrochloride also inhibits InsR, IGF-1R and STK22D with IC50 of 7 nM, 8 nM and 23 nM, respectively. Ceritinib exhibits antitomor activity. |
||
| S5190New |
Crizotinib hydrochlorideCrizotinib (PF-02341066) hydrochloride (Xalkori) inhibits tyrosine phosphorylation of c-Met and nucleophosmin (NPM)-anaplastic lymphoma kinase (ALK) with IC50 of of 11 nM and 24 nM in cell-based assays, respectively. Crizotinib hydrochloride is also a potent ROS1 inhibitor with Ki less than 0.025 nM. Crizotinib induces autophagy through inhibition of the STAT3 pathway in multiple lung cancer cell lines. |
||
| S2703 |
GSK1838705AGSK1838705A is a potent IGF-1R inhibitor with IC50 of 2.0 nM, modestly potent to IR and ALK with IC50 of 1.6 nM and 0.5 nM, respectively, and little activity to other protein kinases. |
GSK1838705A suppresses glioma tumor growth and induces apoptosis in vivo. (A) Following inoculation of U87MG cells, formulated vehicle control or GSK1838705A (4 and 8 mg/kg) was injected into the corresponding group of nude mice (n=6/group) once daily. The tumors were measured every other day for 11 days and the tumor volumes were calculated. Starting on day 7, the differences between the treatment groups (4 and 8 mg/kg) and the vehicle control group were significant (P<0.05). (B) Body weights of the mice during the course of treatment were measured as an indication of significant cytotoxic effects. The data are expressed as the mean ± standard deviation. No significant differences are observed between any two of the groups during the course of treatment. (C) At the end of treatment, the tumors were harvested. GSK1838705A (8 mg/kg) induced the apoptosis of tumor cells in vivo, determined using a TUNEL assay (green) and nuclear staining with Hoechst (blue). Representative images are shown (magnification, ×40). TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling. |
|
| S7106 |
AZD3463AZD3463 is a novel orally bioavailable ALK inhibitor with Ki of 0.75 nM, which also inhibits IGF1R with equivalent potency. AZD3463 suppresses cell viability by inducing both cell apoptosis and autophagy. |
(E) Immunoblot analysis of lysates of A4573 and TC32 cells following exposure to media only (Control, C); ST/V and V/ST with (+) or without (-) 20 nM AZD3463 using antibodies against ALK, IGF-1R, STAT3 (Y705), p-STAT3, AKT, p-AKT (S473), MAPK, p-MAPK (p42/44). |
|
| S8054 |
ASP3026ASP3026 is a novel and selective inhibitor for ALK with IC50 of 3.5 nM. Phase 1. |
||
| S2934 |
Ensartinib (X-396) dihydrochlorideEnsartinib (X-396) is a potent new-generation ALK inhibitor with high activity against a broad range of known crizotinib-resistant ALK mutations and CNS metastases. It potently inhibits both wild-type ALK and ALK variants (F1174, C1156Y, L1196M, S1206R, T1151, and G1202R mutants) with in vitro IC50s of <4 nM. |
||
| S6513 |
HG-14-10-04HG-14-10-04 is an inhibitor of ALK. |
||
| S6505 |
X-376X-376 is an ALK inhibitor and potentially useful in non-small cell lung cancer. |
||
| S7998 |
Entrectinib (RXDX-101)Entrectinib (RXDX-101, NMS-E628) is an orally bioavailable pan-TrkA/B/C, ROS1 and ALK inhibitor with IC50 ranging between 0.1 and 1.7 nM. Entrectinib (RXDX-101) induces autophagy. Phase 2. |
Tumor cells were treated with entrectinib (10 nmol/L) for 4 hours or c-PARP for 48 hours, and harvested lysates were assessed by Western blotting. Data shown are representative of three independent experiments with similar results.
|
|
| S0072 |
MS4078MS4078 is an inhibitor and PROTAC (degrader) of ALK. MS4078 reduces the NPM-ALK protein levels in SU-DHL-1 cells and the EML4-ALK protein levels in NCI-H2228 cells with DC50 of 11 nM and 59 nM, respectively. MS4078 induces ALK protein degradation via cereblon and proteasome dependent mechanism and potently inhibits proliferation of SU-DHL-1 cells with IC50 of 33 nM. |
||
| S8583 |
Repotrectinib (TPX-0005)Repotrectinib (TPX-0005) is a novel ALK/ROS1/TRK inhibitor with the IC50 values of 1.01 nM for WT ALK, 1.26 nM for ALK(G1202R), and 1.08 nM for ALK(L1196M); also a potent SRC inhibitor (IC50 5.3 nM). |
||
| S8229 |
Brigatinib (AP26113)Brigatinib (AP26113) is a potent and selective ALK (IC50, 0.6 nM) and ROS1 (IC50, 0.9 nM) inhibitor. It also inhibits IGF-1R, FLT3, and mutant variants of FLT3 (D835Y) and EGFR with lower potentcy. |
Immunoblotting analysis of H3122 and H3122-CER cells showing that brigatinib did not inhibit EGFR phosphorylation (p-EGFR). Total EGFR (t-EGFR) is also shown. Actin was used as a loading control. The cells were treated with brigatinib for 2 hours.
|
|
| S8511 |
Belizatinib (TSR-011)"Belizatinib (TSR-011) is a potent inhibitor of ALK (IC50=0.7 nM) and tropomyosin receptor kinase (TRK) (IC50 values less than 3 nM for TRK A, B, and C). " |
||
| S7536 |
Lorlatinib (PF-6463922)Lorlatinib (PF-6463922) is a potent, dual ALK/ROS1 inhibitor with Ki of <0.02 nM, <0.07 nM, and 0.7 nM for ROS1, ALK (WT), and ALK (L1196M), respectively. PF-06463922 induces apoptosis. Phase 1. |
Sub-G1 and cell cycle phase distribution of NBLW and NBLW-R cells treated for 24 hours with DMSO, 1× or 10× the respective GI 50 concentrations of PF-06463922.
|
|
| S5232 |
Alectinib (CH5424802) hydrochlorideAlectinib (AF802, CH5424802, RO5424802, RG-7853) is a second generation oral drug that selectively inhibits the activity of anaplastic lymphoma kinase (ALK) tyrosine kinase. |
