An OGT-STAT5 Axis in Regulatory T Cells Controls Energy and Iron Metabolism.
An OGT-STAT5 Axis in Regulatory T Cells Controls Energy and Iron Metabolism.
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DOI:
10.3389/fimmu.2022.874863
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发表时间:
2022
影响因子:
7.3
通讯作者:
Ruan, Hai-Bin
中科院分区:
文献类型:
--
作者:
Zhang, Zengdi;Salgado, Oscar C.;Liu, Bing;Moazzami, Zahra;Hogquist, Kristin A.;Farrar, Michael A.;Ruan, Hai-Bin
The immunosuppressive regulatory T (Treg) cells exert emerging effects on adipose tissue homeostasis and systemic metabolism. However, the metabolic regulation and effector mechanisms of Treg cells in coping with obesogenic insults are not fully understood. We have previously established an indispensable role of the O-linked N-Acetylglucosamine (O-GlcNAc) signaling in maintaining Treg cell identity and promoting Treg suppressor function, via STAT5 O-GlcNAcylation and activation. Here, we investigate the O-GlcNAc transferase (OGT)-STAT5 axis in driving the immunomodulatory function of Treg cells for metabolic homeostasis. Treg cell-specific OGT deficiency renders mice more vulnerable to high-fat diet (HFD)-induced adiposity and insulin resistance. Conversely, constitutive STAT5 activation in Treg cells confers protection against adipose tissue expansion and impaired glucose and insulin metabolism upon HFD feeding, in part by suppressing adipose lipid uptake and redistributing systemic iron storage. Treg cell function can be augmented by targeting the OGT-STAT5 axis to combat obesity and related metabolic disorders.
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影响因子:
16.6
作者:
Deng T;Liu J;Deng Y;Minze L;Xiao X;Wright V;Yu R;Li XC;Blaszczak A;Bergin S;DiSilvestro D;Judd R;Bradley D;Caligiuri M;Lyon CJ;Hsueh WA
通讯作者:
Hsueh WA
影响因子:
4.4
作者:
Burchill, Matthew A.;Yang, Jianying;Farrar, Michael A.
通讯作者:
Farrar, Michael A.
影响因子:
7.3
作者:
Bittner-Eddy, Peter D.;Fischer, Lori A.;Costalonga, Massimo
通讯作者:
Costalonga, Massimo
影响因子:
4.4
作者:
Burchill, MA;Goetz, CA;Farrar, MA
通讯作者:
Farrar, MA
影响因子:
30.5
作者:
Cretney, Erika;Xin, Annie;Kallies, Axel
通讯作者:
Kallies, Axel