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Article Publish Status: FREE
Abstract Title:

extract induces anticancer effects via inhibition of cyclin D1 expression in MCF-7 cells.

Abstract Source:

Nagoya J Med Sci. 2020 Aug ;82(3):509-518. PMID: 33132435

Abstract Author(s):

Yoshimi Ichimaru, Natsuki Kanaeda, Sarah Tominaga, Masumi Suzui, Tohru Maeda, Hirohisa Fujii, Makoto Nakao, Hiroki Yoshioka

Article Affiliation:

Yoshimi Ichimaru

Abstract:

and other Sasa species are traditional medicinal herbs belonging to a group of Japanese bamboos collectively called, and these species possess the potential for a wide variety of uses. The present study aimed to elucidate the anticancer mechanisms exerted byextract (SE) against a human breast cancer cell line, MCF-7 cells. Freeze-dried Sunchlonwas used as the SE, and cell proliferation activity was measured using the [H]-thymidine incorporation assay. Induction of apoptosis was assessed via Annexin V and caspase-3 fluorescent staining, the induction of necrosis was measured via propidium iodide staining, and cell cycle-related protein expression was determined using western blotting. The ICvalue of the SE was 7.7μg/mL in MCF-7 cells. Although the primary active ingredient in Sunchlonis sodium copper chlorophyllin (0.25%), the present results indicated that ingredients other than SCC exert anti-cancer activities (the ICvalue of SCC was 715μg/mL), and late apoptosis or necrosis was induced in an SE dose-dependent manner. The expression levels of cyclin D1 and Cdk6 were decreased after SE treatment, and there was no change in the Cdk1/2 expression levels. Additionally, the expression of the necrosis-related cell death indicators RIP1and RIP3 was increased in response to high-dose SE treatments, and this was indicative of cells preparing for programmed cell death. SE induces cell death in MCF-7 cells via the inhibition of cyclin D1 expression at low concentrations, and this extract induces programmed necrosis (necroptosis) by potentiating RIP1/RIP3 expression.

Study Type : In Vitro Study

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