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p66Shc-a longevity redox protein in human prostate cancer progression and metastasis
Journal article   Open access   Peer reviewed

p66Shc-a longevity redox protein in human prostate cancer progression and metastasis

Mythilypriya Rajendran, Paul Thomes, Li Zhang, Suresh Veeramani and Ming-Fong Lin
Cancer and metastasis reviews, Vol.29(1), pp.207-222
03/01/2010
DOI: 10.1007/s10555-010-9213-8
PMCID: PMC2909029
PMID: 20111892
url
https://digitalcommons.unmc.edu/com_bio_articles/40View
Open Access

Abstract

p66Shc, a 66 kDa proto-oncogene Src homologous-collagen homologue (Shc) adaptor protein, is classically known in mediating receptor tyrosine kinase signaling and recently identified as a sensor to oxidative stress-induced apoptosis and as a longevity protein in mammals. The expression of p66Shc is decreased in mice and increased in human fibroblasts upon aging and in aging-related diseases, including prostate cancer. p66Shc protein level correlates with the proliferation of several carcinoma cells and can be regulated by steroid hormones. Recent advances point that p66Shc protein plays a role in mediating cross-talk between steroid hormones and redox signals by serving as a common convergence point in signaling pathways on cell proliferation and apoptosis. This article first reviews the unique function of p66Shc protein in regulating oxidative stress-induced apoptosis. Subsequently, we discuss its novel role in androgen-regulated prostate cancer cell proliferation and metastasis and the mechanism by which it mediates androgen action via the redox signaling pathway. The data together indicate that p66Shc might be a useful biomarker for the prognosis of prostate cancer and serve as an effective target for its cancer treatment.
Life Sciences & Biomedicine Oncology Science & Technology

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