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Article Publish Status: FREE
Abstract Title:

Alpha-Mangostin Reduces Pericellular Fibronectin on Suspended Tumor Cells and Therapeutically, but Not Prophylactically, Suppresses Distant Metastasis.

Abstract Source:

Life (Basel). 2022 Sep 2 ;12(9). Epub 2022 Sep 2. PMID: 36143411

Abstract Author(s):

Li-Tzu Huang, Chin-Ho Kuo, Lin Tseng, Yi-Syuan Li, Li-Hsin Cheng, Chin-Yun Cheng, Shane-Rong Sheu, Wen-Tsan Chang, Chien-Chin Chen, Hung-Chi Cheng

Article Affiliation:

Li-Tzu Huang

Abstract:

Major cancer deaths can be ascribed to distant metastasis to which the assembly of pericellular fibronectin (periFN) on suspended tumor cells (STCs) in the bloodstream that facilitate endothelial attachment can lead. Even though mangosteen pericarps (MP) extracts and the major componentα-mangostin (α-MG) exhibit potent cancer chemopreventive properties, whether they can prophylactically and therapeutically be used as dietary nutraceuticals to prevent distant metastasis by suppressing periFN assembly on STCs within the circulation remains obscure. Immunofluorescence staining, MTT assays, flow cytometric assays, immunoblotting, and experimental metastasis mouse models were used to detect the effects of MP extracts orα-MG on periFN on STCs, tumor cell proliferation and apoptosis, the AKT activity, and tumor lung metastasis. The periFN assembly on STCs was significantly diminished upon treatments of STCs with eitherα-MG or MP extracts in a dose-dependent manner without inhibiting cell proliferation and viability due to increased AKT activity. Pretreatment of STCs withα-MG appeared to suppress tumor lung metastasis and prolong mouse survival rates. Oral gavage with MP extracts could therapeutically, but not prophylactically, prevent lung metastasis of STCs. We concluded that MP extracts or the major componentα-MG may therapeutically serve as a potent anti-metastatic nutraceutical.

Study Type : In Vitro Study

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