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长时间禁食对雌性日本的基质代谢的影响

Chong-Xiang Xu¹, Jun-Kun Pan¹, Lan-Hua Wu¹

¹College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, China; Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou, China.

Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

|March 17, 2025

概括

在长时间的禁食期间,雌性日本白可增强脂肪和蛋白质的分解以及肝糖的产生. 这些代谢转变,包括增加体生成和减少糖分解,通过调动能量储备来帮助生存.

科学领域:

动物生理学动物生理学
代谢适应的过程
营养压力营养压力

背景情况:

食物的可用性对动物的生存有重大影响,在短缺期间需要采取适应性策略.
禁食的动物动员内生储备以满足代谢能量需求.
了解这些适应是鸟类在营养压力下生存的关键.

研究的目的:

为了研究长时间禁食对雌性日本的生理影响.
在禁食期间分析脂肪,碳水化合物和蛋白质代谢的变化.
阐明在粮食短缺期间使生存成为可能的代谢策略.

主要方法:

评估了四个阶段的雌性日本的生理参数:禁食前,1天,4天和6-11天的禁食.
测量了脂肪代谢的关键指标 (脂质液滴,FFA,TGL,HMGCS,BHBA,CPTI,CPT-II). 测量了脂肪代谢的主要指标 (脂质液滴,FFA,TGL,HMGCS,BHBA,CPTI,CPT-II).
分析了碳水化合物代谢 (PC,PEPCK,G6Pase,HKDC1,PK) 和蛋白质代谢 (氨基酸,ASNS,GLUD,NF-kB).

主要成果:

长时间的禁食显著增加了脂肪调动,脂解和体 (BHBA) 生产.
碳水化合物代谢转向增加的葡萄糖生成 (PC,PEPCK,G6Pase) 和减少的葡萄糖分解 (HKDC1,PK).
蛋白质代谢增加,特别是在胸部肌肉中,氨基酸和基因表达模式发生变化 (ASNS,GLUD,NF-kB).

结论:

增强的脂肪代谢,葡萄糖生成和蛋白质分解对于雌性日本的长期禁食耐受性至关重要.
这些代谢调整有助于在限制的外源能源供应期间保持能量恒温.
这些发现突出了鸟类在食物稀缺的情况下生存的显著适应机制.

关键词:

碳水化合物的新陈代谢.脂肪的催化作用脂肪的催化作用日本的小白是什么意思?长时间的禁食.蛋白质的催化作用蛋白质的催化作用

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