Treg Upregulation by Treadmill Training Accelerates Myelin Repair Post-Ischemia.

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Tác giả: Yingxi He, Sen Li, Tao Liu, Yuan Liu, Lu Pan, Botao Tan, Ce Yang, Ying Yin, Lehua Yu, Juan Zhong, Ying Zhu

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: United States : Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 50253

Regulatory T (Treg) cells contribute to white matter repair following ischemic stroke, but their limited availability in circulation restricts their therapeutic potential. Exercise, as a non-invasive and effective rehabilitation method, has been shown to restore Treg balance in diseases. This study explores the effects of treadmill training on Treg upregulation and its influence on myelin repair and functional recovery in rats with middle cerebral artery occlusion (MCAO). After four weeks of treadmill training, we analyzed the proportion of Treg cells (Tregs), FOXP3 expression, and oligodendrocyte-related protein levels using flow cytometry, immunofluorescence, and Western blotting. Myelin structure was examined with transmission electron microscopy (TEM), while motor coordination and balance were assessed using the fatigue rotarod and CatWalk analysis systems. To further explore the role of Tregs, the FOXP3 inhibitor P60 was used to inhibit Treg activity. The findings of our study indicate that training on a treadmill supports the maturation of oligodendrocytes, leads to an increase in myelin-associated proteins and the thickness of myelin, and promotes the recovery of motor function. Inhibition of Treg activity diminished these benefits, highlighting Tregs' key role in exercise-induced remyelination. These findings suggest that treadmill training facilitates myelin regeneration and functional recovery by upregulating Tregs, offering potential new strategies for stroke treatment.
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