Development of circadian rhythms in mammalian systems.

IF 4.4 3区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
Junghyun Lee, Sevde Goker, Sookkyung Lim, Christian I Hong
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引用次数: 0

Abstract

In mammals, molecular mechanisms of circadian rhythms involve a time-delayed negative feedback loop generating autonomous oscillations of ∼24 h. Most cell types in mammals possess circadian rhythms regulating temporal organization of cellular and physiological processes. Intriguingly, pluripotent stem cells do not possess circadian rhythms and oscillations arise after a defined period of differentiation. Previous studies demonstrated that post-transcriptional regulations of core clock components, CLOCK and PER2, play critical roles in inducing circadian rhythms. In this article, we review the development of circadian rhythms in mammalian systems and provide a theoretical understanding of potential mechanisms regulating the birth of circadian rhythms using mathematical modeling.

哺乳动物生理节律的发展。
在哺乳动物中,昼夜节律的分子机制涉及一个时间延迟的负反馈回路,产生约24小时的自主振荡。哺乳动物中的大多数细胞类型都具有调节细胞和生理过程的时间组织的昼夜节律。有趣的是,多能干细胞不具有昼夜节律,在一段确定的分化期后出现振荡。先前的研究表明,核心时钟成分clock和PER2的转录后调控在诱导昼夜节律中起着关键作用。在本文中,我们回顾了昼夜节律在哺乳动物系统中的发展,并利用数学模型提供了调节昼夜节律诞生的潜在机制的理论认识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Biochemical Journal
Biochemical Journal 生物-生化与分子生物学
CiteScore
8.00
自引率
0.00%
发文量
255
审稿时长
1 months
期刊介绍: Exploring the molecular mechanisms that underpin key biological processes, the Biochemical Journal is a leading bioscience journal publishing high-impact scientific research papers and reviews on the latest advances and new mechanistic concepts in the fields of biochemistry, cellular biosciences and molecular biology. The Journal and its Editorial Board are committed to publishing work that provides a significant advance to current understanding or mechanistic insights; studies that go beyond observational work using in vitro and/or in vivo approaches are welcomed. Painless publishing: All papers undergo a rigorous peer review process; however, the Editorial Board is committed to ensuring that, if revisions are recommended, extra experiments not necessary to the paper will not be asked for. Areas covered in the journal include: Cell biology Chemical biology Energy processes Gene expression and regulation Mechanisms of disease Metabolism Molecular structure and function Plant biology Signalling
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