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Type: Artigo
Title: Laminin-derived peptide C16 regulates Tks expression and reactive oxygen species generation in human prostate cancer cells
Author: Caires-dos-Santos, Livia
da Silva, Suely V.
Smuczek, Basilio
de Siqueira, Adriane S.
Cruz, Karen S. P.
Barbuto, Jose Alexandre M.
Augusto, Taize M.
Freitas, Vanessa M.
Carvalho, Hernandes F.
Jaeger, Ruy G.
Abstract: Laminin peptides influence cancer biology. We investigated the role of a laminin-derived peptide C16 regulating invadopodia molecules in human prostate cancer cells (DU145). C16 augmented invadopodia activity of DU145 cells, and stimulated expression Tks4, Tks5, cortactin, and membrane-type matrix metalloproteinase 1. Reactive oxygen species generation is also related to invadopodia formation. This prompted us to address whether C16 would induce reactive oxygen species generation in DU145 cells. Quantitative fluorescence and flow cytometry showed that the peptide C16 increased reactive oxygen species in DU145 cells. Furthermore, significant colocalization between Tks5 and reactive oxygen species was observed in C16-treated cells. Results suggested that the peptide C16 increased Tks5 and reactive oxygen species in prostate cancer cells. The role of C16 increasing Tks and reactive oxygen species are novel findings on invadopodia activity
Subject: Matriz extracelular
Neoplasias da próstata
Espécies reativas de oxigênio (ERO)
Country: Estados Unidos
Editor: John Wiley & Sons
Rights: Fechado
Identifier DOI: 10.1002/jcp.28997
Date Issue: 2020
Appears in Collections:IB - Artigos e Outros Documentos

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