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Mechanisms and metabolic implications of regional differences among fat depots.


ABSTRACT: Fat distribution is closely linked to metabolic disease risk. Distribution varies with sex, genetic background, disease state, certain drugs and hormones, development, and aging. Preadipocyte replication and differentiation, developmental gene expression, susceptibility to apoptosis and cellular senescence, vascularity, inflammatory cell infiltration, and adipokine secretion vary among depots, as do fatty-acid handling and mechanisms of enlargement with positive-energy and loss with negative-energy balance. How interdepot differences in these molecular, cellular, and pathophysiological properties are related is incompletely understood. Whether fat redistribution causes metabolic disease or whether it is a marker of underlying processes that are primarily responsible is an open question.

SUBMITTER: Tchkonia T 

PROVIDER: S-EPMC3942783 | biostudies-literature | 2013 May

REPOSITORIES: biostudies-literature

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Mechanisms and metabolic implications of regional differences among fat depots.

Tchkonia Tamara T   Thomou Thomas T   Zhu Yi Y   Karagiannides Iordanes I   Pothoulakis Charalabos C   Jensen Michael D MD   Kirkland James L JL  

Cell metabolism 20130411 5


Fat distribution is closely linked to metabolic disease risk. Distribution varies with sex, genetic background, disease state, certain drugs and hormones, development, and aging. Preadipocyte replication and differentiation, developmental gene expression, susceptibility to apoptosis and cellular senescence, vascularity, inflammatory cell infiltration, and adipokine secretion vary among depots, as do fatty-acid handling and mechanisms of enlargement with positive-energy and loss with negative-ene  ...[more]

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