Cited by 80Mindfulness and Compassion InterventionsStress Responses and CortisolEpigenetics and DNA Methylation

Preliminary indications of the effect of a brief yoga intervention on markers of inflammation and DNA methylation in chronically stressed women

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Harkess, K N, Ryan, J, Delfabbro, P H, Cohen-Woods, S·2016·Translational Psychiatry

Abstract

Yoga is associated with reduced stress and increased well-being, although the molecular basis for these benefits is not clear. Mounting evidence implicates the immune response, with current studies focused on protein immune markers (such as cytokines) in clinical populations. To explore the molecular impact, this pilot study uses a subsample (n=28) from a randomised waitlist control trial investigating the impact of an 8-week yoga intervention in a community population of women reporting psychological distress (N=116). We measured interleukin-6 (IL-6), tumour necrosis factor (TNF) and C-reactive protein (CRP) protein levels, and the DNA methylation of these genes and the global indicator, LINE-1. Correlations between these and psychological variables were explored, identifying moderate correlations with CRP protein levels, and methylation of IL-6, CRP and LINE-1. Many cytokine samples were below detection, however a Mann-Whitney U demonstrated a trend of moderate between-group effect for elevated IL-6 in the yoga group. Methylation analyses applied cross-sectional and non-controlled longitudinal analyses. Waist-to-height ratio and age were covaried. We demonstrated reduced methylation of the TNF region in the yoga group relative to the waitlist control group. No other genes demonstrated a significant difference. Longitudinal analysis further supported these results. This study is one of the first to explore yoga and immunological markers in a non-clinical population, and is the first study to explore DNA methylation. These findings indicate that further research into molecular impact of yoga on markers of immune function is warranted, with larger studies required.

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Authors
Harkess, K. N., Ryan, J., Delfabbro, P. H., & Cohen-Woods, S.
Affiliations
  • The University of Adelaide (AU)
  • The University of Melbourne (AU)
Venue
Translational Psychiatry
Published
2016-11-29
Volume
6
Issue
11
Pages
e965-e965
ISSN
2158-3188 (ISSN-L)
OpenAlex
W2558895165
Cited by
80
References
76
Citations by year
2026: 5 · 2025: 7 · 2024: 8 · 2023: 12 · 2022: 18 · 2021: 8 · 2020: 7 · 2019: 9 · 2018: 5 · 2017: 1
FWCI
6.69
Type
journal article
Language
en
Open access
Locations
  • Translational Psychiatry (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion, cc-by)
  • Flinders Academic Commons (Flinders University) (submittedVersion)
  • Flinders Academic Commons (Flinders University) (submittedVersion, cc-by)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
Funders
Flinders University
Topics
  • Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
yoga intervention, chronic stress, women, psychological distress, inflammation, DNA methylation, interleukin-6, TNF-α, C-reactive protein, LINE-1 methylation, cytokines, immune function, epigenetics
MeSH terms
Adult, C-Reactive Protein, Cross-Sectional Studies, Female, Humans, Longitudinal Studies, Middle Aged, Pilot Projects, Stress, Psychological, Tumor Necrosis Factor-alpha, Yoga, Interleukin-6, Inflammation Mediators, DNA Methylation, Long Interspersed Nucleotide Elements

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