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Altered structure and function of adipose tissue in long-lived mice with growth hormone-related mutations

Journal

ADIPOCYTE
Volume 6, Issue 2, Pages 69-75

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/21623945.2017.1308990

Keywords

Ames dwarf; aging; bGH; brown adipose tissue; GHR-KO; GHA; growth hormone; Snell dwarf; white adipose tissue

Funding

  1. National Institute on Aging [AG0119899, AG051869]

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A major focus of biogerontology is elucidating the role(s) of the endocrine system in aging and the accumulation of age-related diseases. Endocrine control of mammalian longevity was first reported in Ames dwarf (Prop1(df)) mice, which are long-lived due to a recessive Prop1 loss-of-function mutation resulting in deficiency of growth hormone (GH), thyroid-stimulating hormone, and prolactin. Following this report, several other GH-related mutants with altered longevity have been described including long-lived Snell dwarf and growth hormone receptor knockout mice, and short-lived GH overexpressing transgenic mice. One of the emerging areas of interest in these mutant mice is the role of adipose tissue in their altered healthspan and lifespan. Here, we provide an overview of the alterations in body composition of GH-related mutants, as well as the altered thermogenic potential of their brown adipose tissue and the altered cellular senescence and adipokine production of their white adipose tissue.

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