在双极性患者中,miR-708-5p的水平升高,并且可以在小鼠中诱导情绪障碍相关的行为
Carlotta Gilardi1, Helena C Martins1, Brunno Rocha Levone1
1Laboratory of Systems Neuroscience, Institute for Neuroscience, Department of Health Science and Technology, ETH Zurich, 8057, Zurich, Switzerland.
EMBO reports
|March 11, 2025
概括
在易患情绪障碍 (MDs) 的个体和被诊断患有MDs的患者中,microRNA miR-708-5p升高. 这种微RNA向神经素 (Nnat),表明它在MD病因学和诊断中的作用.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 分子生物学分子生物学
背景情况:
- 情绪障碍是复杂的遗传和环境相互作用的结果.
- 情绪障碍风险背后的分子机制尚未完全理解.
研究的目的:
- 研究微RNAmiR-708-5p在情绪障碍 (MD) 病因学中的作用.
- 确定miR-708-5p作为MDs的潜在诊断生物标志物.
主要方法:
- 在外周血液单核细胞 (PBMC) 中进行小RNA测序.
- 在体内研究使用老鼠和小鼠模型的早期生活压力和情绪障碍内分类型.
- 使用miR-708-5p和神经素 (Nnat) 的直接准和救援实验.
主要成果:
- 在患有多发性硬化症的高遗传/环境风险的个体和多发性硬化症患者中,miR-708-5p的上调.
- 海马 miR-708-5p 的过度表达会在小鼠中诱导MD相关的行为.
- miR-708-5p直接针对Nnat;Nnat的恢复可以挽救行为缺陷.
- 外围miR-708-5p区分双相情感障碍 (BD) 和主要抑郁症 (MDD) 患者.
结论:
- 这种miR-708-5p/Nnat通路与情绪障碍的发病有关.
- 外围miR-708-5p显示出作为情绪障碍差异诊断的生物标志物的潜力.
相关概念视频
01:24Mania and Antimanic Drugs: Overview
Mania, a psychological condition characterized by elevated mood, increased energy, and reduced sleep need, is part of the bipolar disorder cycle. The exact cause of mania isn't entirely known, but it is thought to be a combination of genetic, environmental, and neurological factors. Bipolar disorder involves alternating manic and depressive episodes. Mood stabilizers like lithium, antipsychotics, and anticonvulsants help manage these episodes. Lithium carbonate is particularly effective as a...
01:30Bipolar Disorder
Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.