非颤抖性产热的复杂性和模糊性

IF 31 1区 医学 Q1 ENDOCRINOLOGY & METABOLISM
Anand Kumar Sharma
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引用次数: 0

摘要

哺乳动物的细胞机制在进化过程中以约 37 °C的温度发挥最佳功能,因此维持核心体温(约 37 °C)对器官的最佳功能至关重要。人们对体温调节的生理重要性已经认识多年,但在过去的一个世纪中,我们对产热机制的多样性和功能的机理认识有了长足的进步。Prusiner 和 Poe 的简短分析(发表于 1968 年)标志着体温调节研究的关键转变,从粗略的生理学视角过渡到对致热途径的生化解释。体温中性区是一个主观温度范围,对于一个体型瘦弱、衣着轻便的人来说,体温中性区可能在 20-22 °C左右。当环境温度降至体温中性区以下时,人体会启动一系列体温调节机制,以保持核心温度并重建热平衡。从生理学角度来看,产热机制可分为发生在肌肉中的颤抖性产热和非颤抖性产热(NST)。非颤抖性产热包括一组使用不同能量来源和机制的过程,这些过程最终都会释放热量。Prusiner 和 Poe 对产热途径的分子机制进行了区分,并提出了一种基于代谢热生化起源的分类方案,而不是基于生理学的分类方案。此外,他们在论文中提出的其他几项建议也对目前关于徒劳循环和产热的研究产生了持久的影响。具体而言,作者强调了与当代研究仍然相关的两点:第一,ATP 合成与 ATP 水解的相对生热贡献;第二,消耗 ATP 的徒然循环的生热作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Intricacies and obscurities of non-shivering thermogenesis
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来源期刊
Nature Reviews Endocrinology
Nature Reviews Endocrinology 医学-内分泌学与代谢
CiteScore
42.00
自引率
0.70%
发文量
158
审稿时长
6-12 weeks
期刊介绍: Nature Reviews Endocrinology aspires to be the foremost platform for reviews and commentaries catering to the scientific communities it serves. The journal aims to publish articles characterized by authority, accessibility, and clarity, enhanced with easily understandable figures, tables, and other visual aids. The goal is to offer an unparalleled service to authors, referees, and readers, striving to maximize the usefulness and impact of each article. Nature Reviews Endocrinology publishes Research Highlights, Comments, News & Views, Reviews, Consensus Statements, and Perspectives relevant to researchers and clinicians in the fields of endocrinology and metabolism. Its broad scope ensures that the work it publishes reaches the widest possible audience.
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