pdgfr-1

PDGFR-IN-1 (compound 7m) is an orally active PDGFR (platelet-derived growth factor receptor) inhibitor that acts on PDGFRα (IC50: 2.4 nM) and PDGFRβ (IC50: 0.9 nM). PDGFR-IN-1 exhibits strong anti-tumour effects and low toxicity, allowing it to be used in the study of osteosarcoma.

740 Y-P acetate (740YPDGFR acetate) is a potent and cell-permeable PI3K activator.740 Y-P acetate tends to bind to GST fusion proteins containing the N- and C-terminal SH2 structural domains of p85, but not to GST alone.

c-Kit-IN-1 (DCC-2618) is an effective inhibitor of c-Met and c-Kit (IC50s<200 nM).

SU11652 is a potent cell-permeable pyrrole-indolinone compound. SU11652 acts as an ATP-competitive tyrosine kinase receptor and angiogenic inhibitor with greater selectivity for PDGFR-β (PDGFRβ, IC50 = 3 nM), Flk-1 (VEGFR2, IC50 = 27 nM), FGFR1 (IC50= 170

Cediranib (AZD2171) (AZD2171) is a highly potent (IC50 < 1 nmol/L) ATP-competitive inhibitor of recombinant KDR tyrosine kinase in vitro, also inhibits Flt1/4 (IC50: 5 nM/≤3 nM), similar activity against PDGFRβ and c-Kit, selective more for VEGFR than PDGFR-α (36-fold), CSF-1R (110-fold), and Flt3 (1000-fold) in HUVEC cells.

Orantinib (NSC 702827) , a excellent effective against PDGFR autophosphorylation with Ki of 8 nM, also highly inhibits Flk-1 and FGFR1 trans-phosphorylation. It shows little effect against IGF-1R, Met, Src, Lck, Zap70, Abl and CDK2 and does not suppresses EGFR.

740 Y-P(TFA)(1236188-16-1 free base) (740YPDGFR(TFA)) is a potent and cell-permeable activator of PI3K.

Sunitinib (SU 11248) is a multi-targeted receptor tyrosine kinase (RTK) inhibitor that inhibits VEGFR2 and PDGFRβ (IC50=80/2 nM). Sunitinib has antitumor activity and can be used for the treatment of kidney cancer and gastrointestinal tumors.

Sitravatinib (MGCD516) is an inhibitor targeting multiple RTKs involved in driving sarcoma cell growth, including c-Met, c-Kit, PDGFRα/β, PDGFR, and Axl.

CP-673451 is a specific inhibitor of PDGFRα/β (IC50: 10/1 nM) with antiangiogenic and antitumor activity and the selectivity is higher 450-fold than other angiogenic receptors.

ACC-789 (NVP-ACC789 (ZK202650); ZK-202650) is an effective, specific and orally active inhibitor of the VEGF receptor tyrosine kinases.

AC708 is a small molecule CSF1R inhibitor that effectively inhibits CSF1R phosphorylation mediated by CSF-1 (IC50 = 26 nM) and IL-34 (IC50 = 33 nM). It also inhibited the activity of growth factor-dependent cells cultured in CSF-1 (IC50 = 38 nM) or IL-34

Multi-kinase-IN-5 (compound 15c) is a multi-kinase inhibitory agent that shows significant inhibition against a range of protein kinases including RET, KIT, cMet, VEGFR1, VEGFR2, FGFR1, PDGFR, and BRAF, with corresponding inhibition percentages of 74%, 31%, 62%, 40%, 73%, 74%, 59%, and 69%. Its IC50 values are 1.287 μM for FGFR1, 0.117 μM for VEGFR, and 1.185 μM for RET kinases, indicating its potency [1].

Multi-kinase inhibitor 1 (Multi-kinase inhibitor I) is a Multi-kinase inhibitor.

O-Demethyl Lenvatinib, a metabolite of Lenvatinib (E7080), is an orally administered, multi-targeted tyrosine kinase inhibitor. It effectively inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, demonstrating significant antitumor activities [1] [2].

AC710 is a potent PDGFR inhibitor (Kds: 0.6, 1, 1.57, 1.3, 1 nM for FLT3, KIT, CSF1R, PDGFRα and PDGFRβ).

Imatinib Impurity E is a specific impurity found in Imatinib, an orally available inhibitor of multiple tyrosine kinases, including BCR/ABL, v-Abl, PDGFR, and c-kit. Imatinib (STI571) operates by semi-competitively inhibiting enzyme activity; it binds adjacent to the ATP binding site, inducing a closed or self-inhibited conformation [1] [2] [3] [4]. Additionally, Imatinib acts as an inhibitor against SARS-CoV and MERS-CoV [5].

Sunitinib Malate (Sunitinib) is an indolinone-based tyrosine kinase inhibitor. It blocks the tyrosine kinase activities of VEGFR2, PDGFRβ (IC50: 80/2 nM), and c-kit.

Regorafenib Monohydrate is a novel oral multikinase inhibitor with IC50 values of 13, 4.2, 46, 22, 7, 1.5, 2.5, 28, 19 nM for VEGFR1, murine VEGFR2, murine VEGFR3, PDGFR-β, KIT, RET, RAF-1, B-RAF and B-RAF(V600E) respectively.

Linifanib (AL-39324) (ABT-869) is a novel, potent ATP-competitive VEGFR/PDGFR inhibitor for KDR (IC50: 4 nM), CSF-1R (IC50: 3 nM), Flt-1/3 (IC50: 3/4 nM) and PDGFRβ (IC50: 66 nM). Linifanib may exhibit potent antiproliferative and apoptotic effects on tumor cells whose proliferation is dependent on mutant kinases, such as FMS-related tyrosine kinase receptor-3 (FLT3).

Ki-20227 is a specific c-Fms tyrosine kinase(CSF1R) inhibitor (IC50: 2 nM). It also has certain inhibitory against VEGFR2(IC50: 12 nM) and c-Kit/PDGFRβ(IC50: 451/217 nM), respectively.

PD-161570 is a potent and ATP-competitive human FGF-1 receptor inhibitor with an IC50 of 39.9 nM and a Ki of 42 nM. PD-161570 also inhibits the PDGFR, EGFR and c-Src tyrosine kinases with IC50 values of 310 nM, 240 nM, and 44 nM, respectively.

SA-PA, a self-assembled intracellular PROTAC leveraging azide-alkyne click chemistry, selectively degrades VEGFR-2, PDGFR-β, and EphB4 proteins within U87 cells. In the presence of endogenous copper in tumor tissues, SA-PA undergoes in situ conversion to active PROTAC through a click reaction [1].

Brivanib (BMS-540215) is an ATP-competitive inhibitor against VEGFR2 with IC50 of 25 nM, moderate potency against VEGFR-1 and FGFR-1, but >240-fold against PDGFR-β. Phase 3.

AG 1295, a selective inhibitor of platelet-derived growth factor receptor (PDGFR) tyrosine-kinase, effectively halts PDGFR autophosphorylation without impacting the autophosphorylation of the EGF receptor[1][2][3][4].

O-Demethyl Lenvatinib hydrochloride, a metabolite of Lenvatinib (E7080), is an orally administered multi-targeted tyrosine kinase inhibitor. It targets and inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, demonstrating potent antitumor activities [1] [2].

CE-245677 is a selective, orally active Tie2 kinase inhibitor identified by Pfizer previously in development for the treatment of certain cancers. CE-245,677 is a potent reversible inhibitor of Tie2 and TrkA/B kinases with a cellular IC50 of 4.7 and 1 nM, resp., displays >100x selectivity against a number of other angiogenic receptor tyrosine kinases (e.g. KDR, PDGFR, FGFR) and gene family panels, and demonstrates good oral absorption in in vivo rat PK studies (F=80%).

PKC412(Midostaurin (PKC412); CGP41231; CGP41251) is a broad spectrum protein kinase inhibitor. Midostaurin inhibits protein kinase C alpha (PKCalpha), vascular endothelial growth factor receptor 2 (VEGFR2), c-kit, platelet-derived growth factor receptor (PDGFR) and FMS-like tyrosine kinase 3 (FLT3) tyrosine kinases, which may result in disruption of the cell cycle, inhibition of proliferation, apoptosis, and inhibition of angiogenesis in susceptible tumors.

Toceranib Phosphate (SU11654 phosphate), is a selective inhibitor of the tyrosine kinase activity of several members of the split kinase RTK family, including Flk-1/KDR, PDGFR

Dovitinib (CHIR-258) (TKI258, CHIR258) is a multitargeted RTK inhibitor, mostly for class III (FLT3/c-Kit, IC50: 1/2 nM), also effective to class IV (FGFR1/3) and class V (VEGFR1-4) RTKs (IC50: 8-13 nM), less potent to EGFR, InsR, EphA2, c-Met, IGF-1R, Tie2, and HER2.

AC710 Mesylate is a potent PDGFR inhibitor (Kds: 0.6, 1.57, 1, 1.3, 1.0 nM for FLT3, CSF1R, KIT, PDGFRα and PDGFRβ).

SU-4312, also known as DMBI, is a potent and selective inhibitor of VEGFR and PDGFR tyrosine kinases (IC50 values are 0.8 and 19.4 μM respectively). SU4312 (SU 4312) unexpectedly protects against MPP(+) -induced neurotoxicity via selective and direct inhibition of neuronal NOS.

PD 089828 is a competitive inhibitor of the receptor tyrosine kinases FGFR1, PDGFRβ, and EGFR (IC50s = 0.15, 1.76, and 5.47 µM, respectively) and a noncompetitive inhibitor of the nonreceptor tyrosine kinase c-Src (IC50 = 0.18 µM)

PD168393 is an irreversible EGFR inhibitor (IC50: 0.70 nM), irreversibly alkylate Cys-773; inactive against PKC, FGFR, PDGFR, and insulin.

The growth factors, platelet-derived growth factor (PDGF) and basic fibroblast growth factor (bFGF) play major roles in enhanced smooth muscle cells growth in rodent blood vessels after vascular injury. Tyrosine kinase inhibition has been shown to be effective in blocking tyrosine phosphorylation at the PDGF and bFGF receptors in cultured fibroblast and vascular smooth muscle cells which in turn inhibits their proliferation[1]. CGP 53716 is a specific PDGFR tyrosine kinase inhibitor on SMC (smooth muscle cell) proliferation and migration in vitro and in neointimal formationin vivo[3]. CGP 53716 inhibited serum-induced cell growth in RASMC (rat aortic smooth muscle cells). And it completely blocked PDGF-BB tyrosine receptor autophosphorylation in RASMC and 3T3 cells, PDGF-BB-induced phosphorylation of mitogen-activated protein kinase at 1 μM in RASMC and inhibited PDGF-BB-induced c-Fos protein expression at 1 μM in RASMC; consistent with inhibition of PDGF-BB-induced DNA synthesis. Further, CGP 53716 inhibited PDGF-BB-, bFGF- and EGF-induced DNA synthesis in a concentration-dependent manner in each cell line. And it showed a 2- to 4-fold selectivity for PDGF-BB-stimulated DNA synthesis over bFGF or EGF in RASMC or 3T3 cells[1]. CGP 53716 inhibited dose dependently tyrosine phosphorylation of both the known PDGFRs: the PDGFR-α and PDGFR-β. After rat carotid artery ballooning injuryin vivo, the migration of alpha-actin-positive cells on the luminal side of internal elastic lamina was decreased with 50 mg/kg/day of CGP 53716 from 38 ± 10 (control group) to 4 ± 2. Intima/media ratio was inhibited by 40% after 14 days in the CGP 53716-treated group (P=0.028) after rat aortic denudation[3].

c-Fms-IN-6 is a potent inhibitor of c-FMS (IC50 ≤10 nM for unphosphorylated c-FMS) and also weakly inhibits unphosphorylated c-KIT and PDGFR (IC50: > 1 μM).

Pazopanib Hydrochloride (Votrient HCl) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFR, FGFR, c-Kit and c-Fms with IC50 of 10 nM, 30 nM, 47 nM, 84 nM, 74 nM, 140 nM and 146 nM in cell-free assays, respectively.

Tyrosine kinase-IN-1 is a multi-targeted tyrosine kinase inhibitor（KDR, Flt-1, FGFR1 and PDGFRα with IC50s of 4nM, 20nM, 4nM, 2 nM ,respectively）

Tyrphostin AG 879 (AG 879) effectively inhibits HER2/ErbB2 (IC50: 1 μM), 100- and 500-fold higher selective to ErbB2 than EGFR and PDGFR.

AG1433 is a tyrosine kinases inhibitor that acts as a direct and selective inhibitor of photosynthetic PEP carboxylase and an inhibitor of PDGFR-β, Flk-1, and angiogenesis.

PDGFR Tyrosine Kinase Inhibitor III (PDGF Receptor Tyrosine Kinase Inhibitor III) (PDGF Receptor Tyrosine Kinase Inhibitor III) is a multikinase inhibitor that inhibits PDGFR, EGFR, FGFR, PKA, and PKC, respectively. PDGFR Tyrosine Kinase Inhibitor III can be used for the research of amyotrophic lateral sclerosis [1].

Toceranib (PHA 291639E) phosphate is an orally active inhibitor of tyrosine kinase (RTK) receptor, and it potently inhibits PDGFR, VEGFR, and Kit(with Kis of 5 and 6 nM for PDGFRβ and Flk-1/KDR, respectively), has antitumor and antiangiogenic activity.

Chiauranib is a multi-target inhibitor against tumor angiogenesis and exhibits potent anticancer effects. Chiauranib potently inhibits the angiogenesis-related kinases (VEGFR1, VEGFR2, VEGFR3, PDGFRα and c-Kit), mitosis-related kinase Aurora B, and chronic inflammation-related kinase CSF1R, with IC50 values ranging from 1-9 nM.