超越冥想练习者显示,对逆境的保存转录反应的表达减少了
Kenneth G Walton1,2, Supaya Wenuganen3, Steven W Cole4,5
1Institute for Prevention Research, Fairfield, IA, 52556, USA.
Brain, behavior, & immunity - health
|August 10, 2023
概括
长期的超越冥想 (TM) 实践可能会降低对逆境的保存转录反应 (CTRA) 基因表达特征. 这表明冥想与健康益处相关的潜在机制.
科学领域:
- 分子生物学分子生物学
- 基因组学就是基因组学.
- 心理神经免疫学 心理神经免疫学
背景情况:
- 探索性研究表明,长期练习超越冥想 (TM) 的人的基因表达发生了变化.
- 对逆境的保存转录反应 (CTRA) 是一种与炎症和免疫反应相关的RNA特征.
- CTRA的特点是炎症增加和I型干扰素 (IFN) 活性降低.
研究的目的:
- 为了调查长期的TM从业者是否表现出CTRA基因表达的减少.
- 分析特定CTRA标记物的全基因组转录特征.
- 检查与CTRA相关的转录因子活性和单细胞子集起源.
主要方法:
- 从外周血液单核细胞 (PBMC) 转录数据的二次分析TM从业者和对照.
- 计算预先规定的CTRA指标基因分数用于差异表达分析.
- 对转录因子活性和单细胞子集细胞起源的生物信息分析.
主要成果:
- 与对照人群相比,MT从业者表现出CTRA指标基因的显著较低表达.
- 全基因组分析显示了下调的促炎转录因子活性 (NF-κB,AP-1).
- 观察到上调的干扰因子响应因子 (IRF) 活性和降低的经典单细胞转录活性.
结论:
- 长期的TM实践与PBMCs中CTRA基因表达的减少有关.
- 研究结果表明,与冥想相关的健康益处存在潜在的分子机制.
- 需要进一步的研究来确定因果关系和特异性.
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