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Suppression of β-catenin Signaling Pathway in Human Prostate Cancer PC3 Cells by Delphinidin
Journal of Cancer Prevention ; : 110-114, 2016.
Artigo em Inglês | WPRIM | ID: wpr-182457
ABSTRACT
Delphinidin possesses strong anti-oxidant, anti-inflammatory, and anti-cancer properties. Suppression of the Wnt/β-catenin signaling pathway is a potential strategy for chemoprevention and therapy. As aberrant activation of the β-catenin signaling pathway contributes to prostate cancer progression, we evaluated the effect of delphinidin on this pathway in human PC3 prostate cancer cells. An MTT assay showed that treatment with delphinidin (15-180 μM, 72 hours) resulted in a dose-dependent growth inhibition of cells. Treatment with delphinidin increased the phosphorylation of serine or threonine residues on β-catenin and decreased the levels of cytoplasmic β-catenin. Moreover, treatment with delphinidin inhibited the nuclear translocation of β-catenin and the expression of β-catenin target genes such as cyclin D1, c-myc, Axin-2, and T cell factor-1. Delphinidin also induced the phosphorylation of glycogen synthase kinase 3β and the expression of adenomatous polyposis coli and Axin proteins. Our results indicate that inhibition of cell growth by delphinidin is mediated, at least in part, through modulation of the β-catenin signaling pathway. We suggest that delphinidin is a potent inhibitor of Wnt/β-catenin signaling in prostate cancer cells.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fosforilação / Próstata / Neoplasias da Próstata / Serina / Treonina / Polipose Adenomatosa do Colo / Quimioprevenção / Ciclina D1 / Citoplasma / Quinases da Glicogênio Sintase Limite: Humanos Idioma: Inglês Revista: Journal of Cancer Prevention Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fosforilação / Próstata / Neoplasias da Próstata / Serina / Treonina / Polipose Adenomatosa do Colo / Quimioprevenção / Ciclina D1 / Citoplasma / Quinases da Glicogênio Sintase Limite: Humanos Idioma: Inglês Revista: Journal of Cancer Prevention Ano de publicação: 2016 Tipo de documento: Artigo