Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 30, Issue 4, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2019.126914
Keywords
Cell migration; Inhibition; Peptidomimetics; Synthesis; f-Actin
Categories
Funding
- Natural Science Fund of Hubei Province [2015CFB490]
- Open Fund of China Education Minister Key Laboratory for Medical Polymers at Wuhan University [20160101]
- China Education Minister
- Wuhan University
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Substituted (2-benzamidothiazol-5-yl)pyrazole-capped AWD*I-NH2 were synthesized and their antimigration activity was studied. The improved efficiency and scalability of the analog synthesis was achieved via a late-stage diversification of the benzoyl group and a convergent route in which the bisazole capping agents and off-resin peptide AWD*I-NH2 were prepared in parallel and coupled together in solution at the last step. Bioassay results indicate that all the peptidomimetics can significantly inhibit the migration of breast cancer cells MDA-MB-231 but possess no apparent cytotoxicity. In general, the antimigration potency of the peptidomimetics is correlated to the electron-withdrawing capacity of the substituents on the terminal phenyl ring. The inhibitory effect shows dose-dependent and holds also against lung and cervical cancer cells. The level of f-actin was reduced dramatically in cells treated with the inhibitor, suggesting that the migration inhibitory effect is related to the disruption of cell locomotive protrusions.
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