对妊娠期体重增加的基因组洞察力揭示了特定组织的机制和途径
Elizabeth A Jasper1,2,3, Jacklyn N Hellwege4,5,6, Catherine A Greene1,3
1Division of Quantitative Sciences, Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Nashville, TN USA.
妊娠期体重增加 (GWG) 受母体和胎儿组织中复杂的生物学途径的影响. 虽然没有发现直接的基因表达链接,但特定的途径在整个怀孕期间显示出差异.
科学领域:
- 遗传学 是一个遗传学.
- 生殖生物学 生殖生物学
- 代谢过程中的代谢.
背景情况:
- 妊娠期体重增加 (GWG) 与母亲和后代的不良结果有关.
- 之前的研究已经确定了与GWG相关的遗传变异,但缺乏机理学和组织特异性的见解.
- 了解GWG的生物基础对于改善妊娠健康至关重要.
研究的目的:
- 为了研究基因预测基因表达在母体和胎儿组织和GWG之间的关联.
- 使用基因表达数据识别涉及GWG的特定生物途径.
- 探索与GWG相关的基因表达的组织特异性和时间变异.
主要方法:
- 利用S-PrediXcan将基因预测的基因表达与GWG联系起来.
- 分析了母亲组织 (脂肪,乳腺,子宫,血液) 和胎儿胎盘中的基因表达.
- 使用GENE2FUNC模块进行路径丰富分析.
主要成果:
- 在Bonferroni校正后,在母体或胎儿基因表达和GWG之间没有发现统计学上显著的关联.
- 名义上显著的母性基因显示了与代谢过程,分泌和细胞内运输相关的途径的丰富.
- 路径的丰富程度因组织和妊娠期而异.
结论:
- 这项研究表明,不同的生物途径,根据组织和妊娠阶段而异,可能会影响GWG.
- 需要进一步的研究来阐明将基因表达与GWG联系在一起的确切机制.
- 这些发现凸显了影响怀孕体重增加的遗传和生物因素的复杂性.
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