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在人类血蛋白质组的遗传调节中的性别差异
Mine Koprulu1,2, Eleanor Wheeler2, Nicola D Kerrison2
1Precision Healthcare University Research Institute, Queen Mary University of London, London, UK.
Nature communications
|May 13, 2025
概括
血液蛋白质水平的遗传调节显示出极小的性别差异,尽管许多蛋白质因性别而异. 这一发现对了解疾病风险和开发新药产生影响.
科学领域:
- 遗传学 是一个遗传学.
- 蛋白质组学是指蛋白质组学.
- 性别差异 性别差异
背景情况:
- 性差异影响疾病的发展和预后,但潜在的机制往往不清楚.
- 了解血蛋白的遗传调节对于识别与疾病相关的标至关重要.
研究的目的:
- 系统地研究血蛋白质组的遗传调节中的性别差异.
- 确定性别差异蛋白质定量位置 (sd-pQTLs) 并评估它们对疾病风险的影响.
主要方法:
- 在两个大型队列 (30,307名女性,26,058名男性) 中分析了血蛋白质组 (>5800个蛋白质点).
- 使用基于抗体和体的平台识别性别差异性蛋白质定量位置 (sd-pQTLs).
- 在英国生物库进行全现象关联研究,以评估sd-pQTLs在性别差异性疾病风险中的作用.
主要成果:
- 三分之二的血蛋白水平在性别之间有显著差异.
- 对蛋白质水平的遗传影响在两性之间很大程度上是相似的,只有103个sd-pQTLs被确定 (2.9%和0.3%的目标).
- 三分之一的sd-pQTL显示性不一致 (性别特异性影响或相反的方向),没有一个与性别差异性疾病风险相关.
结论:
- 血蛋白水平的遗传调节在两性之间显示出相当大的相似性.
- 已识别的sd-pQTL对性别差异性疾病风险的影响有限.
- 这些发现对基因导向药物标的发现和验证有重大影响,这表明标在两性之间具有更广泛的适用性.
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