在重复的饮食缺乏期间,雌激素调节行为和生理性体液控制
Emily Ehresman1, Kathleen Curtis1
1Oklahoma State University Center for Health Sciences, 1111 W 17th St, Tulsa, OK, 74107, USA.
Physiology & behavior
|November 4, 2023
概括
雌激素可能会改变女性对盐摄入量波动的反应,这可能会影响高血压管理. 这项研究发现,受雌激素治疗的老鼠在盐限制后表现出不同的饮酒行为,这表明雌激素在调节盐食欲方面发挥了作用.
科学领域:
- 内分泌学 在内分泌学.
- 心血管生理学心血管生理学
- 行为神经科学 行为神经科学
背景情况:
- 低盐饮食对于高血压管理至关重要,但很难维持.
- 绝经后妇女经历血压升高,涉及雌激素在高血压的预防.
- 受雌激素影响的盐摄入量波动对高血压的影响尚不清楚.
研究的目的:
- 为了研究雌激素对盐摄入量和在重复的饮食缺乏期间激素反应的影响.
- 为了评估不同盐摄入条件下的雌激素治疗和不治疗的老鼠的行为和生理变化.
主要方法:
- 卵巢切除的老鼠,有或没有雌激素 (EB) 或油 (OIL) 治疗,经过一到两次低盐饮食.
- 监测盐和水的摄入量,并收集血液进行激素分析 (血压素,上腺素,上腺素,阿尔多斯特).
- 测量了血中的,蛋白质,体重和子宫体重.
主要成果:
- 接受雌激素治疗的老鼠 (EB) 消耗的度较低的盐溶液,这表明在缺乏后过度补偿减少.
- 在EB大鼠中,食物/水摄入量持续增加,这种行为变化与测量的荷尔蒙或血电解质无关.
- 在剥夺周期后,在OIL和EB组之间没有观察到盐摄入量或激素水平的显著差异.
结论:
- 雌激素影响盐摄入行为,独立于主要的荷尔蒙或电解质变化,表明一种新的调节途径.
- 这些发现突出了与低盐饮食中更年期前和更年期后妇女盐食调节相关的潜在机制.
- 需要进一步的研究来阐明驱动盐摄入中的雌激素媒介行为变化的特定机制.
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