Research paperSynthesis and biological evaluation of novel benzylidene-Succinimide (cas 123-56-8) derivatives as noncytotoxic antiangiogenic inhibitors with anticolorectal cancer activity in vivo

Add time:09/25/2019    Source:sciencedirect.com

A novel series of benzylidene-succinimide derivatives were synthesized, characterized and evaluated for their cytotoxicities against HCT116, and SW480 cancer cells and NCM460 normal human cells. Their antiangiogenic capabilities were evaluated using a chick chorioallantoic membrane (CAM) assay. The compound, XCF-37b, was selected as the most potent antiangiogenic inhibitor with noncytotoxicity to evaluate the pharmacological effects on human umbilical vein endothelial cells (HUVECs) and cancer cells in vivo and in vitro. The results showed that XCF-37b inhibited HT29-cell colon tumor growth in vivo, without showing cytotoxicity against the five other cancer cell lines in vitro. Experiments confirmed that XCF-37b had obvious antiangiogenic activity by HUVEC migration and invasion and rat aortic ring angiogenesis ex vivo. Mechanism studies showed that XCF-37b inhibited the AKT/mTOR and VEGFR2 signaling pathways, as evidenced by decreased expressions of phosphor-AKT (p-AKT), p-mTOR, p-VEGFR2 (Tyr175), p-Src (Tyr416), p-FAK (Tyr925), and p-Erk1/2 (Thr202/Tyr204). Moreover, XCF-37b significantly decreased the protein expressions of matrix metalloproteinase-2 (MMP-2), MMP-9 and hypoxia-inducible factor-1α (HIF-1α). XCF-37b generally regulated angiogenic inhibition through several regulatory pathways, without significantly interfering with colorectal cancer cell growth.

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