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Changes in the expression of inflammatory and epigenetic-modulatory genes after an intensive meditation retreat.

María Jesús Álvarez-López, Quinn A Conklin, Marta Cosín-Tomás, Grant S Shields, Brandon G King, Anthony P Zanesco, Perla Kaliman, Clifford D Saron

Comprehensive Psychoneuroendocrinology August 1, 2022 DOI: 10.1016/j.cpnec.2022.100152 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Observational cohort Peer reviewed
Sample size 62
Population Experienced meditators attending a month-long Insight meditation retreat and a community control group of experienced practitioners living their everyday lives
Intervention Silent meditation retreat
Duration Month-long retreat, with blood samples collected on day two and again 3 weeks later; control participants assessed across a 3-week interval
Topics Meditation
Keywords Cytokines Epigenetics Gene expression Retreat
Key findings Retreat participants showed downregulation of the TNF pathway compared to controls, indicating meditation retreat participation may influence inflammatory mechanisms.

Abstract

Meditation retreats are characterized by intensive or concentrated periods of meditation practice, commonly undertaken in a residential setting. Although research indicates that meditation training can positively influence physical and mental health outcomes, the biological consequences of meditation retreat interventions are relatively understudied. In this study, we examined the influence of a month-long, silent meditation retreat on the expression of genes involved in epigenetic modulation and immune processes. We assessed gene expression changes in experienced meditators attending a month-long Insight meditation retreat (n = 28), as compared to a community control group (n = 34) of experienced practitioners living their everyday lives. Blood samples were collected on day two of the retreat (Time 1) and again 3 weeks later (Time 2). Control participants were also assessed across a 3-week interval, during which they maintained their regular daily routines. As compared to controls, retreat participants showed differential changes in the expression of several genes involved in chromatin modulation and inflammation. The most substantive finding was downregulation of the TNF pathway in retreat participants, which was not observed in controls. These findings indicate that meditation retreat participation may influence some of the inflammatory mechanisms involved in the development of chronic diseases, and that this style of psychosocial intervention may have therapeutic potential, particularly in experienced practitioners.

Comparable studies

Other observational and cohort studies on meditation, most cited first.

Study Year Design Participants
Using Self-Report Assessment Methods to Explore Facets of Mindfulness Undergraduate students 2006 Observational cohort
Effectiveness of a meditation-based stress reduction program in the treatment of anxiety disorders Patients with generalized anxiety disorder or panic disorder with or without agoraphobia 1992 Observational cohort n = 22
Meditation experience is associated with increased cortical thickness Participants with extensive Insight meditation experience and matched controls 2005 Observational cohort n = 20
Meditation experience is associated with differences in default mode network activity and connectivity Experienced meditators and matched meditation-naive controls 2011 Observational cohort
Long-term meditators self-induce high-amplitude gamma synchrony during mental practice Long-term Buddhist practitioners and controls 2004 Observational cohort

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