果糖消费影响胎盘H2S的产生:对产前相关参数的影响
Madelín Pérez-Armas1, Elena Fauste1, Cristina Donis1
1Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Montepríncipe, 28668 Boadilla del Monte, Madrid, Spain.
Nutrients
|January 26, 2024
概括
母亲的果糖摄入量对后代产生影响.
科学领域:
- 生物化学 生物化学
- 生理学 生理学 生理学
- 生殖生物学 生殖生物学
背景情况:
- 硫化 (H2S) 是一种气体传递物,对血管扩张和血管生成至关重要.
- 已知H2S参与了孕前的发病因子.
- 在西方饮食中常见的母乳果糖消费会影响H2S的产生,但在怀孕期间仍然允许.
研究的目的:
- 调查母亲的果糖摄入量是否会影响后代的胎盘H2S产量.
- 为了确定怀孕期间的果糖消费是否会增加妊娠前的风险.
主要方法:
- 研究了来自果糖养母亲的怀孕大鼠,其中一些在怀孕期间接受了果糖补充剂.
- 分析了胎盘基因表达,H2S产生和sFLT1和PGF的血水平.
- 与对照组 (CC,FC,FF) 进行了比较.
主要成果:
- 果糖养母亲的后代显示H2S产量增加,但在妊娠期间食用果糖的后代中,这种情况逆转了.
- 胎盘H2S合成主要是非酶的,FC大鼠的胎盘Cys二氧化酶表达减少.
- 抗血管性sFLT1的基因表达在FF和FC中增加;血管性PGF在两者都下降,FC中的血PGF显著降低.
结论:
- 孕妇的果糖摄入量和怀孕期间的直接摄入量都会改变与产前风险相关的分子.
- 这些效应并不总是通过H2S生产的变化来调节.
- 怀孕期间的果糖消费可能会通过复杂的机制增加妊娠前的风险.
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