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Abstract Title:

Punicalagin inhibits the viability, migration, invasion, and EMT by regulating GOLPH3 in breast cancer cells.

Abstract Source:

J Recept Signal Transduct Res. 2020 Apr ;40(2):173-180. Epub 2020 Feb 6. PMID: 32024401

Abstract Author(s):

Lei Pan, Yin Duan, Feixia Ma, Lihua Lou

Article Affiliation:

Lei Pan

Abstract:

Breast cancer (BC) is one of the most common malignancies worldwide. Punicalagin (PN), which is a type of polyphenol, has been reported to act as a tumor suppressor. This study aimed to investigate the effects of PN on cellular process in BC and its molecular mechanism. The effects of various doses of PN on cell viability, migration, and invasion capacities of MCF-7 and MDA-MB-231 cells were detected by CCK-8, wound-healing, and Transwell assays. Golgi phosphoprotein 3 (GOLPH3) was then transfected into the cells with or without PN treatment, and GPLPH3 expression level was examined by quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot, and expressions of epithelial-mesenchymal transition (EMT)-related protein matrix metalloproteinase-2 (MMP-2), matrix metalloproteinase-9 (MMP-9), E-Cadherin, and N-Cadherin were measured by Western blot. High dose of PN treatment (50 μM or higher) significantly inhibited viability, migration, and invasion of MCF-7 and MDA-MB-231 cells, while overexpressed GOLPH3 promoted cell viability, migration, and invasion, and partially reversed the effects of PN treatment on the BC cells. PN inhibited the expressions of GOLPH3, MMP-2,MMP-9, and N-Cadherin, and promoted E-Cadherin expression, while overexpression of GOLPH3 partly reversed above effects attributing to PN. Thus, PN suppresses cell viability and metastasisregulating GOLPH3 in BC, which provides a possible therapeutic direction to the treatment of BC.

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