期刊
MECHANISMS OF AGEING AND DEVELOPMENT
卷 150, 期 -, 页码 12-19出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mad.2015.08.002
关键词
Whole body vibration; Elderly; Inflammation; Toll-like receptors; Heat shock proteins
资金
- Plan Nacional I+D+i, Spain [DEP2013-47659-R]
Regular physical exercise has anti-inflammatory effects in elderly subjects. Yet, the inflammatory responses after whole body vibration (WBV) training, a popular exercise paradigm for the elderly, remain to be elucidated. This study assessed the effects of WBV training on the inflammatory response associated with toll-like receptors (TLRs) signaling pathways. Twenty-eight subjects were randomized to a training group (TG) or a control group (CG). TG followed an 8-week WBV training program. Blood samples were obtained before and after the training period in both groups. Peripheral blood mononuclear cells were isolated, and mRNA and protein levels of makers involved in the TLR2/TLR4 myeloid differentiation primary response gen 88 (MyD88) and TIR domain-containing adaptor inducing interferon (TRIF)-dependent pathways were analyzed. Plasma TNF alpha and C-reactive protein levels were also assessed. The WBV program reduced protein expression of TLR2, TLR4, MyD88, p65, TRIP and heat shock protein (HSP) 60, while HSP70 content increased. IL-10 mRNA level and protein concentration were upregulated, and TNF alpha protein content decreased, after WBV training. Plasma concentration of C-reactive protein and TNF alpha decreased in the TG. The current data suggest WBV may improve the anti-inflammatory status of elderly subjects through an attenuation of MyD88- and TRIF-dependent TLRs signaling pathways. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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