Immunological investigations · 2024
The Role of Exosomes in Central Immune Tolerance and Myasthenia Gravis.
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Zhang Hanlu, Luan Siyuan, Wang Fuqiang, Yang Lin, Chen Sicheng, Li Zhiyang, Wang Xuyang, Wang Wen-Ping, Chen Long-Qi, Wang Yun
Аннотация
BACKGROUND: Immune homeostasis plays a crucial role in immunology andis dependent on both central and peripheral tolerance. Centraltolerance and peripheral tolerance occur in the thymus and thesecondary lymphoid tissues, respectively. Tolerance breakdown andimmune regulation defects can lead to autoimmune disorders. In thisreview article, we aimed to describe the role of exosomes inregulating central tolerance and provide a summary of their effectson the pathogenesis, diagnosis, and therapeutic potential inmyasthenia gravis (MG).
METHODS: Articles for this review wereidentified using the PubMed database.
RESULTS: As the primarylymphoid organ, the thymus is responsible for building an immunecompetent, yet self-tolerant of T-cell population. Thymic statesinclude thymoma, thymic hyperplasia, and thymic atrophy, which canexert a significant influence on the central immune tolerance andrepresent specific characteristics of MG. Previous studies have foundthat exosomes derived from human thymic epithelial cells carryantigen-presenting molecules and a wide range of tissue restrictedantigens, which may indicate a vital role of thymic exosomes in MG.Besides, exosomal miRNAs and lncRNAs may also play a critical role inthe pathophysiology of MG.
CONCLUSION: This review provides thetherapeutic and diagnostic potential of exosomes in MG patients.
METHODS: Articles for this review wereidentified using the PubMed database.
RESULTS: As the primarylymphoid organ, the thymus is responsible for building an immunecompetent, yet self-tolerant of T-cell population. Thymic statesinclude thymoma, thymic hyperplasia, and thymic atrophy, which canexert a significant influence on the central immune tolerance andrepresent specific characteristics of MG. Previous studies have foundthat exosomes derived from human thymic epithelial cells carryantigen-presenting molecules and a wide range of tissue restrictedantigens, which may indicate a vital role of thymic exosomes in MG.Besides, exosomal miRNAs and lncRNAs may also play a critical role inthe pathophysiology of MG.
CONCLUSION: This review provides thetherapeutic and diagnostic potential of exosomes in MG patients.