PDGFRβ Inhibitor

Lenvatinib (E7080) is an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

Nintedanib (BIBF 1120) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Sunitinib (SU 11248) is a multi-targeted receptor tyrosine kinase inhibitor with IC₅₀s of 80 nM and 2 nM for VEGFR2 and PDGFRβ, respectively. Sunitinib, an ATP-competitive inhibitor, effectively inhibits autophosphorylation of Ire1α by inhibiting autophosphorylation and consequent RNase activation.

Regorafenib (BAY 73-4506) is an orally active and potent multi-targeted receptor tyrosine kinase inhibitor, with IC₅₀ values of 13/4.2/46, 22, 7, 1.5 and 2.5 nM for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1, respectively. Regorafenib shows very robust antitumor and antiangiogenic activity.

Axitinib is a multi-targeted tyrosine kinase inhibitor with IC₅₀s of 0.1, 0.2, 0.1-0.3, 1.6 nM for VEGFR1, VEGFR2, VEGFR3 and PDGFRβ, respectively.

GW296115 is a multi-target inhibitor with the following IC₅₀ values against its targets: 8.4 nM for BRSK2, 21 nM for BRSK1, 1.8 μM for PDGFRβ, 5.5 nM for STK17B/DRAK2, 28 nM for DRAK1, 20 nM for PHKG1, and 89 nM for DCAMKL3. GW296115 downregulates the phosphorylation of S317 site on ULK1 and S351 site on P62, which are AMPK substrates driven by BRSK2. GW296115 does not alter the phosphorylation level of AMPK at T172, reduces nutrient deprivation-mediated Autophagy and autophagosome formation, and enhances Apoptosis. GW296115 exhibits anticancer activity against triple-negative breast cancer. GW296115 is applicable for breast cancer-related research.

VEGFR/PDGFR/CA II-IN-1 is a VEGFR/PDGFR/CA II inhibitor. VEGFR/PDGFR/CA II-IN-1 potently inhibits VEGFR2 (IC₅₀ = 62.66 nM), PDGFRα (IC₅₀ = 18.65 nM), PDGFRβ (IC₅₀ = 5.23 nM), and hCA II (K_i = 19.4 nM), with weaker activity against hCA I (K_i = 154.2 nM) and hCA IX (K_i = 121.0 nM). VEGFR/PDGFR/CA II-IN-1 exhibits potent antiproliferative activity in VEGFR2-BAF3 cells and robust inhibition of angiogenesis in human umbilical vein endothelial cells (HUVECs). VEGFR/PDGFR/CA II-IN-1 inhibits the formation of corneal neovascularization in rabbits through multiple signaling pathways, and significantly reduced intraocular pressure (IOP) in both acute and chronic glaucoma models. VEGFR/PDGFR/CA II-IN-1 can be used to study neovascular glaucoma (NVG).

Pazopanib (GW786034) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFRβ, c-Kit, FGFR1, and c-Fms with IC₅₀s of 10, 30, 47, 84, 74, 140 and 146 nM, respectively.

SU 5402 is a potent multi-targeted receptor tyrosine kinase inhibitor with IC₅₀ of 20 nM, 30 nM, and 510 nM for VEGFR2, FGFR1, and PDGFRβ, respectively.

Nintedanib esylate (BIBF 1120 esylate) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Lenvatinib mesylate (E7080 mesylate), an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

CP-673451 is a potent and selective inhibitor of PDGFR with IC₅₀s of 10 and 1 nM for PDGFRα and PDGFRβ, respectively.

Crenolanib is a potent and selective inhibitor of wild-type and mutant isoforms of the class III receptor tyrosine kinases FLT3 and PDGFRα/β with K_ds of 0.74 nM and 2.1 nM/3.2 nM, respectively.

Sunitinib (SU 11248) Malat is a multi-targeted receptor tyrosine kinase inhibitor with IC₅₀s of 80 nM and 2 nM for VEGFR2 and PDGFRβ, respectively. Sunitinib Malat, an ATP-competitive inhibitor, effectively inhibits autophosphorylation of Ire1α by inhibiting autophosphorylation and consequent RNase activation.

Linifanib (ABT-869) is a potent and orally active multi-target inhibitor of VEGFR and PDGFR family with IC₅₀s of 4, 3, 66, and 4 nM for KDR, FLT1, PDGFRβ, and FLT3, respectively. Linifanib shows prominent antitumor activity. Linifanib has much less activity against unrelated RTKs, soluble tyrosine kinases, or serine/threonine kinases. Linifanib is a specific miR-10b inhibitor that blocks miR-10b biogenesis.

Dovitinib (CHIR-258) is an orally active, potent multi-targeted tyrosine kinase (RTK) inhibitor with IC₅₀s of 1, 2, 36, 8/9, 10/13/8, 27/210 nM for FLT3, c-Kit, CSF-1R, FGFR1/FGFR3, VEGFR1/VEGFR2/VEGFR3 and PDGFRα/PDGFRβ, respectively. Dovitinib has potent antitumor activity.

Cediranib (AZD2171) is a highly potent, orally available and blood-brain barrier permeability VEGFR tyrosine kinase inhibitor with IC₅₀s of <1, <3, 5, 5, 36, 2 nM for Flt1, KDR, Flt4, PDGFRα, PDGFRβ, c-Kit, respectively.

Velzatinib (M4205) is a multi-target inhibitor for PDGFRB, PDGFRA, CSF1R, c-Kit, FLT3, and LCK, with an IC₅₀s of 2.6, 50, 5.5, 44, 141 and 141 nM, respectively. Velzatinib exhibits antitumor efficacy in xenograft mouse models.

Regorafenib (BAY 73-4506) monohydrate is an orally active and potent multi-targeted receptor tyrosine kinase inhibitor, with IC₅₀ values of 13/4.2/46, 22, 7, 1.5 and 2.5 nM for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1, respectively. Regorafenib monohydrate shows very robust antitumor and antiangiogenic activity.

Pazopanib Hydrochloride (GW786034 Hydrochloride) is a novel multi-target inhibitor of VEGFR1, VEGFR2, VEGFR3, PDGFRβ, c-Kit, FGFR1, and c-Fms with an IC₅₀ of 10, 30, 47, 84, 74, 140 and 146 nM, respectively.