Article Publish Status: FREE
Abstract Title:

Extract Reduces the Motility of Breast Cancer Cells Mediated by the RAC⁻Lamellipodin Axis.

Abstract Source:

Nutrients. 2019 May 19 ;11(5). Epub 2019 May 19. PMID: 31109134

Abstract Author(s):

Ariana Acevedo-Díaz, Gabriela Ortiz-Soto, Ivette J Suárez-Arroyo, Astrid Zayas-Santiago, Michelle M Martínez Montemayor

Article Affiliation:

Ariana Acevedo-Díaz


Breast cancer (BC) is the second leading cause of cancer death among women worldwide. The main cause of BC morbidity and mortality is the invasiveness capacity of cancer cells that may lead to metastasis. Here, we aimed to investigate the therapeutic efficacy ofextract (GLE)-a medicinal mushroom with anticancer properties-on BC motility via the Rac/Lamellipodin pathway. GLE treatment effects were tested on MDA-MB-231 breast cancer cells. The effects were tested on cell viability, migration and invasion. Pulldowns, immunoblotting, and immunofluorescence were used to measure Rac activity and the expression of proteins involved in cell migration and in lamellipodia formation, respectively. As a result, GLE suppressed BC cell viability, migration, and invasion capacity. GLE impaired Rac activity, as well as downregulated Lamellipodin, ENA/VASP, p-FAK (Tyr925), Cdc42, and c-Myc expression. Lamellipodia formation was significantly reduced by GLE. In conclusion, we demonstrate that GLE reduces Rac activity and downregulates signaling molecules involved in lamellipodia formation. These novel findings serve as basis for further studies to elucidate the potential of GLE as a therapeutic agent regulating the Rac/Lamellipodin pathway in BC metastasis.

Study Type : In Vitro Study

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