Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone

While it is now understood that the proper expansion of adipose tissue is critically important for metabolic homeostasis, it is also appreciated that adipose tissues perform far more functions than simply maintaining energy balance. Adipose tissue performs endocrine functions, secreting hormones or...

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Main Author: Kevin J. Phillips
Format: Article
Language:English
Published: MDPI AG 2019-07-01
Series:Biology
Subjects:
Online Access:https://www.mdpi.com/2079-7737/8/3/57
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author Kevin J. Phillips
author_facet Kevin J. Phillips
author_sort Kevin J. Phillips
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description While it is now understood that the proper expansion of adipose tissue is critically important for metabolic homeostasis, it is also appreciated that adipose tissues perform far more functions than simply maintaining energy balance. Adipose tissue performs endocrine functions, secreting hormones or adipokines that affect the regulation of extra-adipose tissues, and, under certain conditions, can also be major contributors to energy expenditure and the systemic metabolic rate via the activation of thermogenesis. Adipose thermogenesis takes place in brown and beige adipocytes. While brown adipocytes have been relatively well studied, the study of beige adipocytes has only recently become an area of considerable exploration. Numerous suggestions have been made that beige adipocytes can elicit beneficial metabolic effects on body weight, insulin sensitivity, and lipid levels. However, the potential impact of beige adipocyte thermogenesis on systemic metabolism is not yet clear and an understanding of beige adipocyte development and regulation is also limited. This review will highlight our current understanding of beige adipocytes and select factors that have been reported to elicit the development and activation of thermogenesis in beige cells, with a focus on factors that may represent a link between exercise and ‘beiging’, as well as the role that thyroid hormone signaling plays in beige adipocyte regulation.
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spelling doaj.art-c7c2faf75ab2490faf0ee1e38a5822272023-09-02T20:44:51ZengMDPI AGBiology2079-77372019-07-01835710.3390/biology8030057biology8030057Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid HormoneKevin J. Phillips0Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USAWhile it is now understood that the proper expansion of adipose tissue is critically important for metabolic homeostasis, it is also appreciated that adipose tissues perform far more functions than simply maintaining energy balance. Adipose tissue performs endocrine functions, secreting hormones or adipokines that affect the regulation of extra-adipose tissues, and, under certain conditions, can also be major contributors to energy expenditure and the systemic metabolic rate via the activation of thermogenesis. Adipose thermogenesis takes place in brown and beige adipocytes. While brown adipocytes have been relatively well studied, the study of beige adipocytes has only recently become an area of considerable exploration. Numerous suggestions have been made that beige adipocytes can elicit beneficial metabolic effects on body weight, insulin sensitivity, and lipid levels. However, the potential impact of beige adipocyte thermogenesis on systemic metabolism is not yet clear and an understanding of beige adipocyte development and regulation is also limited. This review will highlight our current understanding of beige adipocytes and select factors that have been reported to elicit the development and activation of thermogenesis in beige cells, with a focus on factors that may represent a link between exercise and ‘beiging’, as well as the role that thyroid hormone signaling plays in beige adipocyte regulation.https://www.mdpi.com/2079-7737/8/3/57beige fatbrown fatthermogenesisadiposeexercisethyroid hormone
spellingShingle Kevin J. Phillips
Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone
Biology
beige fat
brown fat
thermogenesis
adipose
exercise
thyroid hormone
title Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone
title_full Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone
title_fullStr Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone
title_full_unstemmed Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone
title_short Beige Fat, Adaptive Thermogenesis, and Its Regulation by Exercise and Thyroid Hormone
title_sort beige fat adaptive thermogenesis and its regulation by exercise and thyroid hormone
topic beige fat
brown fat
thermogenesis
adipose
exercise
thyroid hormone
url https://www.mdpi.com/2079-7737/8/3/57
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