vegfr1/flt1

Lenvatinib (E7080) is a multi-target receptor tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, KIT, PDGFR, and RET, and has oral activity. Lenvatinib has the strongest inhibitory activity on VEGFR2 and VEGFR3 (IC50=4 5.2 nM). Lenvatinib has strong anti-tumor activity.

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.

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).

URMC-099 is an orally bioavailable, brain penetrant MLK inhibitor (IC50: 19 42 14 150 nM, for MLK1 MLK2 MLK3 DLK), and also inhibits LRRK2 activity (IC50: 11 nM).

Axitinib (AG-013736) is a multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1, VEGFR2, VEGFR3, and PDGFRβ (IC50=4 20 0.4 2 nM). Axitinib has antitumor activity and is used in the treatment of renal cell carcinoma.

Multi-kinase inhibitor 3 (compound 12) is an orally active and effective multikinase (multikinase) inhibitor, demonstrating potent IC50 values against FLT1 VEGFR1, KDR VEGFR2, FLT4 VEGFR3, FLT3, PDGFRα, and PDGFRβ, at 1.59, 1.23, 1.19, 0.59, 0.22, and 1.15 nM respectively. This compound exhibits anti-proliferative and anticancer activities.

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.

Pexidartinib hydrochloride (PLX-3397 hydrochloride) is a potent, selective, orally active, ATP-competitive inhibitor of colony-stimulating factor 1 (CSF1R or M-CSFR) (IC50: 20 nM) and c-Kit (IC50: 10 nM), with 10-100 times greater selectivity for these targets compared to FLT3 (IC50: 160 nM), KDR (VEGFR2) (IC50: 350 nM), and LCK (IC50: 860 nM). Pexidartinib hydrochloride induces apoptosis and exhibits anti-tumor effects.

CHIR-124 is an effective Chk1 inhibitor (IC50: 0.3 nM). It has 2, 000-fold selectivity against Chk2, 500- to 5, 000-fold less activity against Cdc2 and CDK2 4.

Vatalanib dihydrochloride (PTK787 dihydrochloride)(IC50=37 nM) is an inhibitor of VEGFR2 KDR. It exhibits less effective against VEGFR1 Flt-1 and 18-fold against VEGFR3 Flt-4.

GNQWFI, an anti-Flt1 peptide, functions as a VEGFR1-specific antagonist. It inhibits interactions between VEGFR1 and various ligands, such as VEGFA, VEGFB, and placental growth factor (PIGF), and suppresses VEGF-induced endothelial cell migration and tubulogenesis. GNQWFI holds potential for research in cancer, asthma, and other ocular diseases.

Ilorasertib (ABT-348) (ABT-348) is an ATP-competitive multitargeted kinase inhibitor, which inhibits Aurora A Aurora B Aurora C (IC50s: 120 nM 7 nM 1 nM). It also suppresses RET tyrosine kinase, PDGFRβ, and Flt1 (IC50s: 7 nM, 3 nM, and 32 nM).