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Impaired regeneration: A role for the muscle microenvironment in cancer cachexia
Journal article   Peer reviewed

Impaired regeneration: A role for the muscle microenvironment in cancer cachexia

Erin E Talbert and Denis C Guttridge
Seminars in cell & developmental biology, Vol.54, pp.82-91
06/2016
DOI: 10.1016/j.semcdb.2015.09.009
PMCID: PMC4922677
PMID: 26385617
url
https://www.ncbi.nlm.nih.gov/pmc/articles/4922677View
Open Access

Abstract

While changes in muscle protein synthesis and degradation have long been known to contribute to muscle wasting, a body of literature has arisen which suggests that regulation of the satellite cell and its ensuing regenerative program are impaired in atrophied muscle. Lessons learned from cancer cachexia suggest that this regulation is simply not a consequence, but a contributing factor to the wasting process. In addition to satellite cells, evidence from mouse models of cancer cachexia also suggests that non-satellite progenitor cells from the muscle microenvironment are also involved. This chapter in the series reviews the evidence of dysfunctional muscle repair in multiple wasting conditions. Potential mechanisms for this dysfunctional regeneration are discussed, particularly in the context of cancer cachexia.
Animals Cachexia - etiology Cachexia - metabolism Cachexia - pathology Humans Muscle, Skeletal - metabolism Muscle, Skeletal - pathology Muscle, Skeletal - physiopathology Muscular Atrophy - pathology Muscular Atrophy - physiopathology Myoblasts - metabolism Myoblasts - pathology Neoplasms - complications Neoplasms - metabolism Neoplasms - pathology Regeneration

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