Weighing in on adipocyte precursors.

Weighing in on adipocyte precursors.
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DOI:
10.1016/j.cmet.2013.10.003
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发表时间:
2014-01-07
期刊:
影响因子:
29
通讯作者:
Rodeheffer MS
Rodeheffer MS
中科院分区:
生物学1区
文献类型:
--
作者:
Berry R;Jeffery E;Rodeheffer MS

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肥胖,定义为白色脂肪组织(WAT)的过度增加,是一种全球性的健康流行病。在肥胖症中,WAT通过增加脂肪细胞大小(肥大)和数量(增生)而扩大。WAT扩张的位置和细胞机制极大地影响肥胖的发病机制。然而,体内调节脂肪细胞大小、数量和贮库依赖性扩增的细胞和分子机制在很大程度上仍然未知。这一观点总结了以前的工作,解决脂肪细胞的数量在发展和肥胖,并讨论了最近的进展,在方法,遗传工具,和表征体内脂肪细胞前体细胞允许直接研究增生性WAT生长在体内。
Obesity, defined as an excessive increase in white adipose tissue (WAT), is a global health epidemic. In obesity, WAT expands by increased adipocyte size (hypertrophy) and number (hyperplasia). The location and cellular mechanisms of WAT expansion greatly affect the pathogenesis of obesity. However, the cellular and molecular mechanisms regulating adipocyte size, number and depot-dependent expansion in vivo remain largely unknown. This perspective summarizes previous work addressing adipocyte number in development and obesity and discusses recent advances in the methodologies, genetic tools, and characterization of in vivo adipocyte precursor cells allowing for directed study of hyperplastic WAT growth in vivo.
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