Continuous endurance-type exercise training does not modulate satellite cell content in obese type 2 diabetes patients

Journal article


Snijders, Tim, Verdijk, Lex B., Hansen, Dominique, Dendale, Paul and van Loon, Luc J. C.. (2011). Continuous endurance-type exercise training does not modulate satellite cell content in obese type 2 diabetes patients. Muscle & Nerve. 43(3), pp. 393 - 401. https://doi.org/10.1002/mus.21891
AuthorsSnijders, Tim, Verdijk, Lex B., Hansen, Dominique, Dendale, Paul and van Loon, Luc J. C.
Abstract

Endurance-type exercise training represents a cornerstone in type 2 diabetes treatment. However, the effects of prolonged continuous, endurance-type exercise on muscle fiber characteristics remain equivocal. Fifteen obese male type 2 diabetes patients ( 61 ± 6 years ) participated in a 6-month continuous, endurance-type exercise program. Muscle biopsies were collected before, and after 2 and 6 months of intervention. Muscle fiber type–specific composition, size, and satellite cell ( SC ) and myonuclear content were determined by immunohistochemistry. Although continuous endurance-type exercise training lowered total body weight and reduced fat mass, no changes were observed in leg lean mass. At baseline, SC content was significantly lower in type II compared with type I muscle fibers. No change in SC content was observed after exercise training. Continuous endurance-type exercise training lowers fat mass, but it does not increase leg lean mass and/or modulate muscle fiber characteristics in type 2 diabetes patients.

Keywordsimmunohistochemistry; insulin sensitivity; muscle stem cells; myonuclei; sarcopenia
Year2011
JournalMuscle & Nerve
Journal citation43 (3), pp. 393 - 401
PublisherJohn Wiley & Sons, Inc.
ISSN0148-639X
Digital Object Identifier (DOI)https://doi.org/10.1002/mus.21891
Scopus EID2-s2.0-79951887787
Page range393 - 401
Research GroupMary MacKillop Institute for Health Research
Publisher's version
File Access Level
Controlled
Place of publicationUnited States
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