Journal
IMMUNOLOGY LETTERS
Volume 225, Issue -, Pages 66-73Publisher
ELSEVIER
DOI: 10.1016/j.imlet.2020.05.005
Keywords
Bone marrow mesenchymal stem cells; Experimental autoimmune encephalomyelitis; Immunomodulatory; T lymphocytes; Macrophages
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Funding
- Science and Technology Support Program of Guizhou Province [Qiankehezhicheng (2017)2970]
- National Natural Science Foundation of China [NSFC 81660033]
- Guiyang Science and Technology Plan Project [Zhukehe (2017) 30-12]
- Program for Science and Technology Excellent Talents in University of Guizhou Province [QianjiaoheKYzi (2016)071]
- Guizhou Science and Technology Fund [Qiankehejichu (2016) 1125]
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Multiple sclerosis (MS) is an autoimmune disease characterized by inflammatory infiltration, demyelination and axonal injury. Mesenchymal stem cells (MSCs) are pluripotent which can not only differentiate into many types of cells, but also have immunomodulatory effects. We show here that the transplantation of bone marrow MSCs (BM-MSCs) prevents the development of experimental autoimmune encephalomyelitis (EAE), the most common animal model of MS. Furthermore, we demonstrate that the immunologic mechanism by which BM-MSC transplantation ameliorates EAE involves inhibiting the proliferation and activation of T cells, reducing the production of inflammatory cytokines, and regulating macrophage responses, especially the macrophage polarization. The findings broaden our understanding about the regulation of T cell and macrophage immune responses by MSC transplantation.
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