Early inflammatory and myogenic responses to resistance exercise in the elderly
Mathers, Jessica, Farnfield, Michelle, Garnham, Andrew, Caldow, Marissa, Cameron-Smith, David, & Peake, Jonathan (2012) Early inflammatory and myogenic responses to resistance exercise in the elderly. Muscle & Nerve, 46(3), pp. 407-412.
Introduction and Methods: This study compared changes in myokine and myogenic genes following resistance exercise (3 sets of 12 repetitions of maximal unilateral knee extension) in 20 elderly men (67.8 ± 1.0 years) and 15 elderly women (67.2 ± 1.5 years). Results: Monocyte chemotactic protein (MCP)-1, macrophage inhibitory protein (MIP)-1β, interleukin (IL)-6 and MyoD mRNA increased significantly (P < 0.05), whereas myogenin and myostatin mRNA decreased significantly after exercise in both groups. Macrophage-1 (Mac-1) and MCP-3 mRNA did not change significantly after exercise in either group. MIP-1β, Mac-1 and myostatin mRNA were significantly higher before and after exercise in men compared with women. In contrast, MCP-3 and myogenin mRNA were significantly higher before and after exercise in the women compared with the men. Conclusions: In elderly individuals, gender influences the mRNA expression of certain myokines and growth factors, both at rest and after resistance exercise. These differences may influence muscle regeneration following muscle injury
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|Item Type:||Journal Article|
|Keywords:||exercise, aging, muscle damage, inflammation, oestrogen|
|ISSN:||1097-4598 (online) 0148-639X (print)|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Geriatrics and Gerontology (110308)|
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600) > Exercise Physiology (110602)
|Divisions:||Current > Schools > School of Biomedical Sciences|
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 2012 John Wiley & Sons, Inc.|
|Deposited On:||02 Oct 2012 14:15|
|Last Modified:||13 Jun 2013 01:12|
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