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对于1型肌肉性缩症患者的力量训练的个人转录组反应

Emily E Davey¹, Cécilia Légaré^1,2,3,4, Lori Planco¹

¹RNA Institute, College of Arts and Sciences, University at Albany-SUNY, Albany, New York, USA.

|June 15, 2023

概括

力量训练可以通过部分恢复基因表达和拼接模式来改善1型肌性衰竭 (DM1) 的肌肉功能. 个体患者对训练的反应各不相同,这突出了对转录组变化的个性化分析的需要.

科学领域:

分子生物学分子生物学
遗传学遗传学是一个
运动生理学运动生理学

背景情况:

肌性缩症1型 (DM1) 是一种常见的成人发病的肌肉缩症,由CTG重复扩张引起,导致转录基因失调和肌肉衰竭.
力量训练为DM1患者提供临床益处,但其分子效应在很大程度上仍未被描述.

研究的目的:

调查力量训练计划是否可以拯救DM1患者的转录组缺陷.
为了将分子变化与强度的临床改善相关联.

主要方法:

在12周的力量训练计划之前和之后,对来自9名男性DM1患者的广横向肌肉样本进行了RNA测序 (RNA-Seq).
进行了差异基因表达和替代拼接分析,并与一次重复的最大强度测量相关联.
一个由6名男性组成的对照组没有接受培训.

主要成果:

虽然训练诱导的拼接改进通常被观察到,但具体的救援拼接事件在个体之间有很大的差异.
基因表达的改善也显示出高的个体间变异性,被拯救的差异表达基因的百分比与力量的增加有很强的相关性.
对转录组变化的个体化分析显示,在分组分析中没有明显的训练反应,可能是由于疾病异质性和个体反应.

结论:

转录组变化与接受力量训练的DM1患者的临床结果有关.
对训练的分子反应通常是个体特异的,需要个性化评估,以全面了解治疗疗效.

关键词:

生物信息学是一种生物信息学.遗传性疾病是一种遗传性疾病.肌肉生物学肌肉生物学神经肌肉疾病是一种神经肌肉疾病.治疗方法治疗方法

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