间歇性禁食提醒大鼠大脑中的神经递质和氧化剂/抗氧化剂状态
Mona Abdel-Rahman1, Aida A Hussein2, Omar A Ahmed-Farid3
1Zoology and Entomology Department, Faculty of Science, Helwan University, Cairo, Egypt.
Metabolic brain disease
|September 18, 2024
概括
间歇性禁食 (IF) 降低了体重,并改变了大鼠的大脑化学成分. 虽然短期有益,但长期的IF可能会对神经功能产生负面影响.
科学领域:
- 神经科学是一个神经科学.
- 代谢健康 代谢健康
- 身体生理学 身体生理学
背景情况:
- 间歇性禁食 (IF) 越来越多地研究其健康益处,特别是对神经系统的影响.
- 了解IF对大脑化学和功能的影响对于其治疗应用至关重要.
- 之前的研究表明,神经系统有潜在的益处,但依赖于持续时间的效果需要进一步研究.
研究的目的:
- 评估间歇性禁食对大鼠体重,大脑神经递质,氧化应激和BDNF水平的影响.
- 确定IF的不同持续时间 (1,7,15天) 如何影响这些参数.
- 评估IF对神经功能的潜在好处和缺点.
主要方法:
- 30只雄性Wistar大鼠被分为控制组和间歇性禁食组.
- IF组接受了24小时的禁食周期,为1,7或15天.
- 测量包括体重,大脑单胺,氨基酸,氧化应激标志物,谷氨和BDNF水平.
主要成果:
- 间歇性禁食显著降低了大鼠的体重.
- 短期IF (1天) 降低了多巴胺,谷氨酸,阿斯巴甜酸,甲酸和氧化的含量,同时增加了上腺素,血清素,GABA和甘氨酸.
- 谷氨水平上升,但BDNF水平显示出依赖时间的波动,在1天后增加,在15天后减少.
结论:
- 间歇性禁食对大脑产生有益影响,包括改变神经递质配置和减少氧化应激.
- IF的神经调节效应取决于禁食的持续时间.
- 长时间的间歇性禁食可能会导致不利的生理结果,妨碍最佳的神经功能.
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