Thymic stromal lymphopoietin induces adipose loss through sebum hypersecretion.

Thymic stromal lymphopoietin induces adipose loss through sebum hypersecretion.
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胸腺基质淋巴细胞生成素通过皮脂分泌过多诱导脂肪损失。

DOI:
10.1126/science.abd2893
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发表时间:
2021-07-30
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Kambayashi T
Kambayashi T
中科院分区:
其他
文献类型:
--
作者:
Choa R;Tohyama J;Wada S;Meng H;Hu J;Okumura M;May RM;Robertson TF;Pai RL;Nace A;Hopkins C;Jacobsen EA;Haldar M;FitzGerald GA;Behrens EM;Minn AJ;Seale P;Cotsarelis G;Kim B;Seykora JT;Li M;Arany Z;Kambayashi T

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新兴研究表明免疫系统可以调节全身代谢。在这里,我们发现胸腺基质淋巴细胞生成素 (TSLP) 刺激 T 细胞诱导选择性白色脂肪损失,从而预防肥胖、改善葡萄糖代谢并减轻非酒精性脂肪肝炎。令人惊讶的是,脂肪减少并不是由食物摄入、吸收或能量消耗的改变引起的。相反,它是由皮肤以皮脂形式过度流失脂质引起的。 TSLP 和 T 细胞在稳态下调节皮脂释放和皮脂相关抗菌肽表达。在人类皮肤中,TSLP 表达与皮脂相关基因表达直接相关。因此,我们建立了一个范例,其中可以通过皮脂分泌过多来实现脂肪减少,并通过皮脂分泌揭示适应性免疫在皮肤屏障功能中的作用。 TSLP 刺激的 T 细胞促进皮脂分泌,可以通过药理学操作来促进脂肪减少。
Emerging studies indicate that the immune system can regulate systemic metabolism. Here, we show that thymic stromal lymphopoietin (TSLP) stimulates T cells to induce selective white adipose loss, which protects against obesity, improves glucose metabolism, and mitigates nonalcoholic steatohepatitis. Surprisingly, adipose loss was not caused by alterations in food intake, absorption, or energy expenditure. Rather, it was induced by the excessive loss of lipids through the skin as sebum. TSLP and T cells regulated sebum release and sebum-associated antimicrobial peptide expression in the steady state. In human skin, TSLP expression correlated directly with sebum-associated gene expression. Thus, we establish a paradigm in which adipose loss can be achieved by sebum hypersecretion and uncover a role for adaptive immunity in skin barrier function through sebum secretion. TSLP-stimulated T cells promote sebum secretion, which can be pharmacologically manipulated to promote adipose loss.
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