Targeting muscle signaling pathways to minimize adverse effects of androgen deprivation.

Abstract:

:Androgen deprivation therapy (ADT) is a highly effective treatment used in ∼30% of men with prostate cancer. Adverse effects of ADT on muscle are significant with consistent losses in muscle mass. However, effects of ADT on muscle strength and physical function, of most relevance to the patient, are less well understood. This is in part due to the fact that muscle effects of ADT at the cellular, genetic and protein level, critical to the understanding of the pathophysiology of sarcopenia, have come into focus only recently. This review highlights the complexity of androgen-dependent signaling in muscle with an emphasis on recent findings in the regulation of muscle growth and muscle atrophy pathways. Furthermore, the effects of ADT and testosterone on skeletal muscle histology, gene expression and protein transcription are discussed. A better mechanistic understanding of the regulation of muscle mass and function by androgens should not only pave the way for developing targeted promyogenic interventions for men with prostate cancer receiving ADT but also may have wider implications for age-associated sarcopenia in the general population.

journal_name

Endocr Relat Cancer

journal_title

Endocrine-related cancer

authors

de Rooy C,Grossmann M,Zajac JD,Cheung AS

doi

10.1530/ERC-15-0232

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

R15-26

issue

1

eissn

1351-0088

issn

1479-6821

pii

ERC-15-0232

journal_volume

23

pub_type

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