γδT细胞表达共刺激分子及协同信号通路的研究进展

Research Advances in the Expression of Co-stimulatory Molecules and Signaling Pathways in γδT Cells

根据T细胞受体的不同,人体T淋巴细胞分为αβT细胞和γδT细胞。近年αβT细胞共刺激信号在调节T细胞活化及耐受方面的研究取得了重要的进展,而在γδT细胞相关的研究较少。明确这些共刺激分子及其信号通路在γδT细胞免疫应答的不同阶段发挥的不同正向负向调节作用,将为病毒感染、肿瘤、自身免疫性疾病、移植后排斥等疾病的治疗提供新的前景。

Human T lymphocytes are divided into αβT cells and γδTcells on the basis of the different expressions of T cell receptors. In recent years, the studies of the regulation of T cell activation and tolerance by co-stimulatory molecules and their signaling pathways in αβT cell have made remarkable progress ; however, relatively fewer investigations have been performed on γδT cells. A clearer understanding of the roles of co-stimulatory molecules and their signaling pathways in the positive/negative regulation of γδT cells at different stages will provides new insights for the treatment of viral infections, cancer, autoimmune diseases, transplant rejection, and other conditions.