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免疫调节T细胞在再生障碍性贫血细胞免疫功能紊乱中的作用 被引量:2

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摘要 目的探讨免疫调节T细胞在再生障碍性贫血(aplastic anemia,AA)细胞免疫功能紊乱中的作用。方法选择初发再生障碍性贫血(AA)40例。分组:(1)初发AA,20例,临床诊断符合小儿AA的诊疗建议,且入院前未接受相关治疗。(2)缓解期AA,20例患者再生障碍性贫血经免疫治疗后,临床指标提示造血恢复。(3)对照组,选取与之匹配的正常儿童20例。检测外周血CD 4+、CD 8+、NK及Treg细胞群数量及比例。结果初发组CD 4+及Treg细胞比例(26.8±3.2、3.3±1.1)较缓解组(36.6±3.0、5.9±1.4)及对照组(38.7±7.2、6.0±1.5)低(P<0.05),而CD 8+的细胞的比例(38.4±6.2)、较缓解组(32.1±4.5)及对照组(28.7±7.5)高(P<0.05);初发AA CD4-/CD8+的值为(0.74±0.2)较缓解组(1.2±0.3)及对照组(1.4±0.5)低(P<0.05);缓解组与对照组细胞比例差异无统计学意义。初发组(15.7±4.0)、缓解组(18.2±3.2)与对照组(19.2±5.3)的NK细胞比例差异无统计学意义。结论本研究显示AA患者的造血功能的衰竭与T细胞亚群比例失衡有关,支持了细胞免疫功能紊乱参与AA发生。
作者 唐文珏
出处 《当代医学》 2015年第16期87-88,共2页 Contemporary Medicine
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