Endogenous Regulatory T Cells Promote M2 Macrophage Phenotype in Diabetic Stroke as Visualized by Optical Imaging

被引：0
|
作者：
Yu Cai
Ting-Ting Xu
Chun-Qiang Lu
Yuan-Yuan Ma
Di Chang
Yi Zhang
Xiao-Chun Gu
Shenghong Ju
机构：
[1] Medical School of Southeast University,Jiangsu Key Laboratory of Molecular and Functional Imaging, Department of Radiology, Zhongda Hospital
来源：
Translational Stroke Research | 2021年 / 12卷
关键词：
Type 2 diabetes mellitus; Ischemic stroke; Regulatory T cells; M2 macrophages/microglia; Optical imaging;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Regulatory T cells (Tregs) play an immunosuppressive role in various diseases, yet their function remains controversial in stroke and obscure in diabetic stroke. In the present study, Tregs were found downregulated in the peripheral blood of type 2 diabetes mellitus (T2DM) stroke models and patients compared with controls. In ischemic stroke mice (both T2DM and wild type), endogenous Tregs boosted by CD28SA increased CD206+ M2 macrophage/microglia cells, decreased infarct volumes, and improved neurological recovery. Our results demonstrated the potential of boosting Tregs for treating T2DM stroke. Furthermore, we utilized an optical imaging probe (IRD-αCD206) to target M2 macrophage/microglia cells and demonstrated its effect in visualizing M2 macrophage/microglia cells in vivo in ischemic brain tissue.
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页码：136 / 146
页数：10
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