在人类大脑中,在饮食障碍和强迫症障碍之间形成的聚合分子特征
Michael S Breen1,2,3, Ran Tao4, Andy Yang1,2,3
1Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
medRxiv : the preprint server for health sciences
|December 9, 2024
概括
饮食障碍 (ED) 和强迫症 (OCD) 在大脑中共享分子通路,这表明有共同的生物学基础. 这项研究确定了与这两种疾病相关的特定基因表达变化,提供了新的治疗点.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 精神病学是一个精神病学.
背景情况:
- 饮食障碍 (ED) 和强迫症 (OCD) 具有临床和遗传的相似之处.
- 连接ED和强迫症的潜在分子机制尚未完全理解.
研究的目的:
- 通过转录基因分析研究ED和强迫症之间的共享分子途径.
- 识别与ED和强迫症相关的特定大脑区域的差异表达基因 (DEG).
主要方法:
- 对对照组,ED和OCD病例中的背侧前额皮层 (DLPFC) 和尾状核的转录组分析.
- 用现有数据进行差异基因表达分析和元分析.
- 基因调节表达分析以确定与风险相关的基因.
主要成果:
- 饮食障碍在DLPFC和caudate中显示出显著的DEG,这些在一个独立的队列中复制.
- 虽然单独的强迫症并没有产生显著的DEG,但分析在尾状体中发现了57个DEG.
- 在ED和强迫症之间转录组变化的高度一致性在两个大脑区域都被观察到.
- 综合ED+OCD分析揭示了许多涉及GABAergic神经元功能,神经内分泌通路,新陈代谢和突触过程的DEG.
- 确定了9个具有强有力的证据增加ED风险的基因.
结论:
- 这项研究揭示了饮食障碍和强迫症障碍的共同分子基础.
- 这些发现为ED和强迫症的病理生物学提供了新的见解.
- 已识别的途径和基因可能代表这两种疾病的潜在治疗点.
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