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非血缘脐血移植与NK细胞

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摘要 随着脐血移植(umbilical cord blood transplantation,UCBT)应用于恶性血液病治疗例数的增多,大宗临床资料显示UCBT术后移植物抗宿主病(graft-versus-host disease,GVHD)发生的程度轻且仍有较强的移植物抗白血病(graft versus leukemia,GVL)作用.LCBT术后免疫重建早期患者外周血中成熟T细胞、成熟B细胞数量较少,而自然杀伤(nature killer,NK)细胞数量较多,这提示NK细胞在UCBT术后早期免疫重建中发挥了重要作用.新近发现UCBT术后的CD16+CD56-NK亚群和CD16+CD56dimNK亚群绝对值和占淋巴细胞比例较其他类型移植显著增高,而CD16+CD56-NK亚群在正常人外周血中含量极少.
出处 《国际输血及血液学杂志》 CAS 2011年第3期232-235,共4页 International Journal of Blood Transfusion and Hematology
基金 基金项目:安徽省卫生厅医学科研重点项目(2010A005)
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