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TIPE2在T细胞介导的心脏移植急性排斥反应中的潜在作用

Abstract

目的探讨作为免疫负调控因子的肿瘤诱导坏死因子-α-诱导蛋白8样因子-2(TIPE2)在T细胞介导的小鼠心脏移植急性排斥反应中的潜在作用。方法通过苏木素-伊红(HE)染色和流式细胞术确定心脏移植物中的主要免疫排斥细胞,免疫荧光染色确定TIPE2与脾细胞间的关系,实时定量荧光PCR(Real-time PCR)检测心脏移植物TIPE2及细胞因子表达量。结果小鼠心脏移植7天后心脏组织出现明显免疫细胞浸润及心肌组织的破坏,流式细胞术检测心脏移植物中CD4~+和CD8~+T细胞增高,免疫荧光显示移植小鼠脾细胞中的CD4~+和CD8~+T细胞表达TIPE2,而心脏移植物在第7天时TIPE2和细胞因子表达量均明显增高。结论 TIPE2与在T细胞介导的小鼠心脏移植急性排斥反应中可能发挥着潜在作用。国家重点科学研究计划(2012CBA01303);;国家自然科学基金(31271038

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This paper was published in Xiamen University Institutional Repository.

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