FGFR (Fibroblast growth factor receptor),a kind of glycoproteins with extracellular immunoglobulin (Ig)-like domains, which consists of five members FGFR-1, FGFR-2, FGFR-3, FGFR-4 and FGFR-5 are tyrosine kinase receptors which mediate signaling from their high-affinity ligands, fibroblast growth factors (FGFs). Active FGFRs stimulate tyrosine phosphorylation and activation of a number of signaling molecules: Shc, PI3K, SRC, PLC, Crk, SH2 domain containing phosphatase-2 (SHP-2), p38, STAT1/3 and FGFR substrate2 (FRS2). Phosphorylation of the docking protein FRS2 recruits and activates the Grb2/Sos1 complex, which then interacts with Ras to activate the MAPK pathway.
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FGFR Inhibitors
| Cat.No. | Product Name | Information | Product Use Citations | Product Validations |
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| S8401 | Erdafitinib (JNJ-42756493) | Erdafitinib is a potent and selective orally bioavailable, pan fibroblast growth factor receptor (FGFR) inhibitor with potential antineoplastic activity. This compound also binds to RET (c-RET), CSF-1R, PDGFR-α/PDGFR-β, FLT4, Kit (c-Kit) and VEGFR-2 and induces cellular apoptosis. |
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| S2183 | BGJ398 (Infigratinib) | Infigratinib (BGJ398) is a potent and selective FGFR inhibitor for FGFR1/2/3 with IC50 of 0.9 nM/1.4 nM/1 nM in cell-free assays, >40-fold selective for FGFR versus FGFR4 and VEGFR2, and little activity to Abl, Fyn, Kit, Lck, Lyn and Yes. Phase 2. |
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| S1264 | PD173074 | PD173074 is a potent FGFR1 inhibitor with IC50 of ~25 nM and also inhibits VEGFR2 with IC50 of 100-200 nM in cell-free assays, ~1000-fold selective for FGFR1 than PDGFR and c-Src. PD173074 reduces proliferation and promotes apoptosis in gastric cancer cells. |
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| S1010 | BIBF 1120 (Nintedanib) | Nintedanib is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC50 of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM in cell-free assays. Phase 3. |
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| S8161 | ON123300 | ON123300 is a potent and multi-targeted kinase inhibitor with IC50 of 3.9 nM, 5 nM, 26 nM, 26 nM, 9.2 nM and 11nM for CDK4, Ark5/NUAK1, PDGFRβ, FGFR1, RET (c-RET), and Fyn, respectively. |
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| S1490 | Ponatinib (AP24534) | Ponatinib is a novel, potent multi-target inhibitor of Abl, PDGFRα, VEGFR2, FGFR1 and Src with IC50 of 0.37 nM, 1.1 nM, 1.5 nM, 2.2 nM and 5.4 nM in cell-free assays, respectively. Ponatinib (AP24534) inhibits autophagy. |
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| S1164 | E7080 (Lenvatinib) | Lenvatinib is a multi-target inhibitor, mostly for VEGFR2(KDR)/VEGFR3(Flt-4) with IC50 of 4 nM/5.2 nM, less potent against VEGFR1/Flt-1, ~10-fold more selective for VEGFR2/3 against FGFR1, PDGFRα/β in cell-free assays. Lenvatinib (E7080) also inhibits FGFR1-4, PDGFR, Kit (c-Kit), RET (c-RET), and shows potent antitumor activities. Phase 3. |
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| S7667 | SU 5402 | SU5402 is a potent multi-targeted receptor tyrosine kinase inhibitor with IC50 of 20 nM, 30 nM, and 510 nM for VEGFR2, FGFR1, and PDGF-Rβ, respectively. |
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| S2801 | AZD4547 (Fexagratinib) | Fexagratinib (AZD4547,ABSK 091) is a novel selective FGFR inhibitor targeting FGFR1/2/3 with IC50 of 0.2 nM/2.5 nM/1.8 nM in cell-free assays, weaker activity against FGFR4, VEGFR2(KDR), and little activity observed against IGFR, CDK2, and p38. Phase 2/3. |
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| S0088 | Pemigatinib (INCB054828) | Pemigatinib is an orally active and selective inhibitor of FGFR with IC50 of 0.4 nM, 0.5 nM, 1.2 nM and 30 nM for FGFR1, FGFR2, FGFR3 and FGFR4, respectively. Pemigatinib has the potential for cholangiocarcinoma. |
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Signaling Pathway Map
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