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细胞外酸化通过增加细胞内来增加怀孕小鼠的子宫收缩,从而增加子宫收缩

Asmaa M Almohanna¹, Karen Noble², Susan Wray³

¹Department of Basic Science, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.

Acta physiologica (Oxford, England)

|April 23, 2024

概括

在分娩过程中,子宫细胞外酸化通过增加入量来增强怀孕小鼠的肌肉收缩. 这一发现对于在缺血条件下理解劳动生理学至关重要.

科学领域:

生殖生物学生殖生物学
生理学生理学生理学
生物化学生物化学

背景情况:

由于缺血,子宫细胞外pH值在分娩期间下降.
这种pH值变化对肌胎收缩的影响尚不清楚.
怀孕对肌肉膜对pH值变化的反应的影响尚不清楚.

研究的目的:

为了研究细胞外酸化对肌肉收缩的生理影响.
阐明这些影响背后的机制.
确定妊娠如何影响肌体对细胞外pH值变化的反应.

主要方法:

使用来自非怀孕,中期和终期怀孕小鼠的肌肉膜条.
收缩是在自发,脱极化和催产素刺激的条件下测量.
细胞外pH值被改变,细胞内pH值和被监测.

主要成果:

细胞外酸化增加了孕妇宫的自发收缩,但不是非孕妇.
化减少了收缩.
酸化在显著的细胞内pH值变化之前增加了收缩性,这与的进入有关.

结论:

细胞外酸性增强刺激性和进入怀孕的小鼠肌肉.
这种机制可能会导致劳动相关的酸血和缺血期间收缩的增加.

关键词:

酸性化是一种酸性化过程.收缩的收缩收缩的收缩细胞外的细胞外细胞.这里是鼠标鼠标鼠标鼠标鼠标鼠标.它们的pH值为pH.怀孕怀孕怀孕在怀孕怀孕怀孕在子宫,子宫,子宫.

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