Abstract Title:

Natural prenylated xanthones as potential inhibitors of PI3k/Akt/mTOR pathway in triple negative breast cancer cells.

Abstract Source:

Planta Med. 2021 Dec 28. Epub 2021 Dec 28. PMID: 34963183

Abstract Author(s):

Thi Thu Ha Nguyen, Zhao Qu, Van Tuyen Nguyen, Thanh Tra Nguyen, Thi Tu Anh Le, Sibao Chen, Son The Ninh

Article Affiliation:

Thi Thu Ha Nguyen


Three prenylated xanthones, garcinone E (1), bannaxanthone D (2) and bannanxanthone E (3) were isolated from the leaves of Garcinia mckeaniana Graib. Their structures were elucidated by spectral methods and compared with literature data. To evaluate their anti-proliferative effects in tumor cells, firstly, cisplatin was used as a positive control and the effects of compound 1-3 were determined by performing MTT assay in MDA-MB-231, CNE-2 and A549 cancer cells. The results showed compound 1-3 exhibited stronger inhibitory effect than cisplatin in MDA-MB-231. Further effects of compound 1-3 in TNBC MDA-MB-231 and MDA-MB-468 cells were examined by performing cell cycle and apoptosis assays. The results indicated that compound 1-3 had ability to arrest cell cycle at G2/M phase and induce apoptosis. Furthermore, compound 2 significantly down-regulated PI3K, Akt and mTOR levels in both total proteins and phosphorylated form, which is its potential anti-cancer mechanism. These findings indicated that those prenylated xanthones might serve as promising leading compounds for the development of anticancer drug for TNBC.

Study Type : In Vitro Study

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