期刊
PSYCHONEUROENDOCRINOLOGY
卷 43, 期 -, 页码 20-29出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.psyneuen.2014.01.019
关键词
Yoga; Inflammation; Gene expression; Fatigue; Cancer; Cortisol
资金
- NCCAM/NIH [U01 AT003682]
- Oppenheimer Seed Grant Program in Complementary, Alternative, and Integrative Medicine at UCLA
- Inflammatory Biology Core of the UCLA Older Americans Independence Center [NIA/NH P30-AG028748]
Background: Yoga is a popular mind body therapy that has demonstrated beneficial effects on psychological, behavioral, and functional outcomes. However, few studies have investigated effects on inflammatory processes. This study tested the hypothesis that an lyengar yoga intervention specifically designed for fatigued breast cancer survivors would lead to decreases in inflammation-related gene expression and circulating markers of proinfiammatory cytokine activity. Methods: Breast cancer survivors with persistent cancer-related fatigue were randomized to a 12-week lyengar yoga intervention (n = 16) or a 12-week health education control condition (n = 15). Blood samples were collected at baseline, post-intervention, and at a 3-month follow-up for genome-wide transcriptional profiling and bioinformatic analyses. Plasma inflammatory markers and salivary cortisol were also assessed. Results: In promoter-based bioinformatics analyses, the yoga group showed reduced activity of the pro-inflammatory transcription factor nuclear factor kappa B (NF-kappa B), increased activity of the anti-inflammatory glucocorticoid receptor, and reduced activity of CAMP response element-binding protein (CREB) family transcription factors relative to controls (all ps <.05). There was also a significant intervention effect on the soluble tumor necrosis factor receptor type II (sTNE-R11), a marker of TNF activity; plasma levels of sTNE-R11 remained stable in the yoga group, whereas levels of this marker increased in the health education group (p=.028). A similar, non-significant trend was observed for the interleukin 1 receptor antagonist (p=.16). No significant changes in C reactive protein (CRP), interleukin 6 (IL-6), or diurnal cortisol measures were observed. Conclusions: A 12-week restorative lyengar yoga intervention reduced inflammation-related gene expression in breast cancer survivors with persistent fatigue. These findings suggest that a targeted yoga program may have beneficial effects on inflammatory activity in this patient population, with potential relevance for behavioral and physical health. (C) 2014 Elsevier Ltd. All rights reserved.
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