[The role of Tim-3 mRNA in acute graft-versus-host disease after allogeneic hematopoietic stem cell transplantation].
2016
To investigate the role of Tim-3 gene expression in acute graft-versus-host disease (aGVHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT).Patients after allo-HSCT were retrospectively analyzed, this cohort of patients were divided into different groups according to disease states (grade 0-Ⅰ aGVHD group, grade Ⅱ-Ⅳ aGVHD group, improved aGVHD group) and time periods (+14-+30 d, +31-+60 d, +61-+100 d) to compare PBMC Tim-3 mRNA expression and plasma IFN-γ, IL-2 concentrations among them.RT-PCR showed that in grade 0-Ⅰ aGVHD group, Tim-3 mRNA expression in patients +31-+60 d (7.24±2.79) was significantly higher than that in patients + 14-+ 30 d (4.60±1.66) and + 61-+ 100 d (3.86±1.36) (P 0.05). ELISA results showed that plasma IFN-γ and IL-2 concentrations were higher in grade Ⅱ-Ⅳ aGVHD group than of other groups, while no significant difference existed between grade 0-Ⅰ aGVHD and improved aGVHD groups (P<0.05).Tim-3 played an important role in the process of aGVHD.
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