Diet-regulated production of PDGFcc by macrophages controls energy storage.

Diet-regulated production of PDGFcc by macrophages controls energy storage.
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DOI:
10.1126/science.abe9383
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发表时间:
2021-07-02
期刊:
影响因子:
56.9
通讯作者:
Geissmann, Frederic
Geissmann, Frederic
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Cox, Nehemiah;Crozet, Lucile;Holtman, Inge R.;Loyher, Pierre-Louis;Lazarov, Tomi;White, Jessica B.;Mass, Elvira;Stanley, E. Richard;Elemento, Olivier;Glass, Christopher K.;Geissmann, Frederic

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The mechanisms by which macrophages regulate energy storage remain poorly understood. We identify in a genetic screen a PDGF-family growth factor, Pvf3, produced by macrophages that is required for lipid storage in fat body cells of Drosophila larvae. Genetic and pharmacological experiments indicate that the mouse Pvf3 ortholog, PDGFcc, produced by adipose-tissue resident macrophages controls lipid storage in adipocytes in a Leptin- and Ccr2- independent manner. PDGFcc production is regulated by diet, and acts in a paracrine manner to control lipid storage in adipose tissues of newborn and adult mice. At the organismal level upon PDGFcc blockade, excess lipids are redirected toward thermogenesis in brown fat. These data identify a macrophage-dependent mechanism, conducive to the design of pharmacological interventions, that controls energy storage in metazoans. Metazoan macrophages control lipid storage in fat cells through diet-regulated production of PDGF-family growth factors.
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