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Pharmacological Activation of Thyroid Hormone Receptors Elicits a Functional Conversion of White to Brown Fat.

ABSTRACT: The functional conversion of white adipose tissue (WAT) into a tissue with brown adipose tissue (BAT)-like activity, often referred to as "browning," represents an intriguing strategy for combating obesity and metabolic disease. We demonstrate that thyroid hormone receptor (TR) activation by a synthetic agonist markedly induces a program of adaptive thermogenesis in subcutaneous WAT that coincides with a restoration of cold tolerance to cold-intolerant mice. Distinct from most other browning agents, pharmacological TR activation dissociates the browning of WAT from activation of classical BAT. TR agonism also induces the browning of white adipocytes in vitro, indicating that TR-mediated browning is cell autonomous. These data establish TR agonists as a class of browning agents, implicate the TRs in the browning of WAT, and suggest a profound pharmacological potential of this action.

SUBMITTER: Lin JZ 

PROVIDER: S-EPMC4662916 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Pharmacological Activation of Thyroid Hormone Receptors Elicits a Functional Conversion of White to Brown Fat.

Lin Jean Z JZ   Martagón Alexandro J AJ   Cimini Stephanie L SL   Gonzalez Daniel D DD   Tinkey David W DW   Biter Amadeo A   Baxter John D JD   Webb Paul P   Gustafsson Jan-Åke JÅ   Hartig Sean M SM   Phillips Kevin J KJ  

Cell reports 20151112 8

The functional conversion of white adipose tissue (WAT) into a tissue with brown adipose tissue (BAT)-like activity, often referred to as "browning," represents an intriguing strategy for combating obesity and metabolic disease. We demonstrate that thyroid hormone receptor (TR) activation by a synthetic agonist markedly induces a program of adaptive thermogenesis in subcutaneous WAT that coincides with a restoration of cold tolerance to cold-intolerant mice. Distinct from most other browning age  ...[more]

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