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Eur J Med Chem. 2013 Feb;60:490-6. doi: 10.1016/j.ejmech.2012.12.017. Epub 2012 Dec 17.

A new cytotoxic quinolone alkaloid and a pentacyclic steroidal glycoside from the stem bark of Crataeva nurvala: study of anti-proliferative and apoptosis inducing property.

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  • 1Amity Institute of Biotechnology, Amity University, Sector 125, Noida 201303, UP, India.


Chemical investigation of stem bark of Crataeva nurvala afforded 5,7-dimethoxy-3-phenyl-1-ethyl-1,4-dihydro-4-quinolone and a steroidal glycoside with unprecedented pentacyclic ring system named crataemine (1a) and crataenoside (2) respectively. The structures of the compounds were determined by spectroscopic analysis. A series of compounds with modification at position 1 of 1a (1a-1c) were prepared. All compounds were screened for cytotoxic activity against HeLa, PC-3 and MCF-7 cells. Only 1a and 2 showed potency against all three cells. Mechanism based study for activity of the compounds demonstrated that it could block the migration of more aggressive HeLa and PC-3 cells and prevent their colony formation ability as well. The compounds potentiated apoptosis in HeLa and PC-3 cells in a significant manner.

Copyright © 2012 Elsevier Masson SAS. All rights reserved.

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