Discovery and Optimization of N-Substituted 2-(4-pyridinyl)thiazole carboxamides against Tumor Growth through Regulating Angiogenesis Signaling Pathways

Inhibition of angiogenesis is considered as one of the desirable pathways for the treatment of tumor growth and metastasis. Herein we demonstrated that a series of pyridinyl-thiazolyl carboxamide derivatives were designed, synthesized and examined against angiogenesis through a colony formation and...

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Veröffentlicht in:Scientific reports 2016-09, Vol.6 (1), p.33434-33434, Article 33434
Hauptverfasser: Zhou, Wenbo, Tang, Wenshu, Sun, Zhenliang, Li, Yunqi, Dong, Yanmin, Pei, Haixiang, Peng, Yangrui, Wang, Jinhua, Shao, Ting, Jiang, Zhenran, Yi, Zhengfang, Chen, Yihua
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container_title Scientific reports
container_volume 6
creator Zhou, Wenbo
Tang, Wenshu
Sun, Zhenliang
Li, Yunqi
Dong, Yanmin
Pei, Haixiang
Peng, Yangrui
Wang, Jinhua
Shao, Ting
Jiang, Zhenran
Yi, Zhengfang
Chen, Yihua
description Inhibition of angiogenesis is considered as one of the desirable pathways for the treatment of tumor growth and metastasis. Herein we demonstrated that a series of pyridinyl-thiazolyl carboxamide derivatives were designed, synthesized and examined against angiogenesis through a colony formation and migration assays of human umbilical vein endothelial cells (HUVECs) in vitro . A structure-activity relationship (SAR) study was carried out and optimization toward this series of compounds resulted in the discovery of N -(3-methoxyphenyl)-4-methyl-2-(2-propyl-4-pyridinyl)thiazole-5-carboxamide ( 3k ). The results indicated that compound 3k showed similar or better effects compared to Vandetanib in suppressing HUVECs colony formation and migration as well as VEGF-induced angiogenesis in the aortic ring spreading model and chick embryo chorioallantoic membrane (CAM) model. More importantly, compound 3k also strongly blocked tumor growth with the dosage of 30 mg/kg/day, and subsequent mechanism exploration suggested that this series of compounds took effect mainly through angiogenesis signaling pathways. Together, these results suggested compound 3k may serve as a lead for a novel class of angiogenesis inhibitors for cancer treatments.
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subjects 631/154/1435/2417
631/154/309/2419
96/98
Angiogenesis
Angiogenesis inhibitors
Animals
Aorta
Cancer
Cell Line, Tumor
Cell Movement - drug effects
Cell Proliferation - drug effects
Chick Embryo
Chorioallantoic membrane
Colonies
Colony-Forming Units Assay
Drug Design
Drug Discovery
Endothelial cells
Human Umbilical Vein Endothelial Cells
Humanities and Social Sciences
Humans
Male
Metastases
Mice, Nude
multidisciplinary
Neoplasms - blood supply
Neoplasms - drug therapy
Neoplasms - pathology
Neovascularization, Pathologic - drug therapy
Neovascularization, Pathologic - pathology
Phosphorylation - drug effects
Piperidines - pharmacology
Piperidines - therapeutic use
Quinazolines - pharmacology
Quinazolines - therapeutic use
Rats, Sprague-Dawley
Science
Signal Transduction
Stress Fibers - drug effects
Stress Fibers - metabolism
Thiazoles - chemical synthesis
Thiazoles - chemistry
Thiazoles - pharmacology
Thiazoles - therapeutic use
Umbilical vein
Vascular endothelial growth factor
Wound Healing - drug effects
title Discovery and Optimization of N-Substituted 2-(4-pyridinyl)thiazole carboxamides against Tumor Growth through Regulating Angiogenesis Signaling Pathways
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