Abstract Title:

Myricetin inhibits proliferation and induces apoptosis and cell cycle arrest in gastric cancer cells.

Abstract Source:

Mol Cell Biochem. 2015 Oct ;408(1-2):163-70. Epub 2015 Jun 27. PMID: 26112905

Abstract Author(s):

Jianfang Feng, Xiaonan Chen, Yuanyuan Wang, Yuwen Du, Qianqian Sun, Wenqiao Zang, Guoqiang Zhao

Article Affiliation:

Jianfang Feng


Myricetin is a flavonoid that is abundant in fruits and vegetables and has protective effects against cancer and diabetes. However, the mechanism of action of myricetin against gastric cancer (GC) is not fully understood. We researched myricetin on the proliferation, apoptosis, and cell cycle in GC HGC-27 and SGC7901 cells, to explore the underlying mechanism of action. Cell Counting Kit (CCK)-8 assay, Western blotting, cell cycle analysis, and apoptosis assay were used to evaluate the effects of myricetin on cell proliferation, apoptosis, and the cell cycle. To analyze the binding properties of ribosomal S6 kinase 2 (RSK2) with myricetin, surface plasmon resonance (SPR) analysis was performed. CCK8 assay showed that myricetin inhibited GC cell proliferation. Flow cytometry analysis showed that myricetin induces apoptosis and cell cycle arrest in GC cells. Western blotting indicated that myricetin influenced apoptosis and cell cycle arrest of GC cells by regulating related proteins. SPR analysis showed strong binding affinity of RSK2 and myricetin. Myricetin bound to RSK2, leading to increased expression of Mad1, and contributed to inhibition of HGC-27 and SGC7901 cell proliferation. Our results suggest the therapeutic potential of myricetin in GC.

Study Type : In Vitro Study

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