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促红细胞生成素对脐血红细胞C3bRR及ICR表达的影响 被引量:4

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摘要 目的探讨促红细胞生成素(EPO)对脐血与成人外周血红细胞免疫功能表达的影响。方法无菌采集正常孕妇分娩时胎儿脐血及献血者外周血各28份。应用ELISA法检测EPO;应用红细胞C3b受体花环试验和红细胞免疫复合物花环试验检测红细胞C3b受体活性率(RBC-C3bRR)和红细胞粘附免疫复合物率(RBC-ICR)。同时考查不同浓度的EPO对脐血体外培养红细胞C3bRR、ICR表达的影响。结果脐血EPO、RBC-C3bRR及RBC-ICR与成人外周血比较差异有显著性意义(P<0.01);脐血体外培养,随着EPO浓度的增加,RBC-C3bRR活性逐渐增强,对RBC-ICR产生的抑制率逐渐减弱;当EPO浓度达40mIU/ml时,脐血体外培养各时间段的RBC-C3bRR、RBC-ICR与EPO为0mIU/ml时比较差异有显著性意义(P<0.01)。结论脐血EPO及红细胞C3bRRI、CR高于成人外周血。细胞因子EPO在脐血体外培养中,促进RBC-C3bRR的生成,抑制RBC-ICR的表达。
出处 《中国输血杂志》 CAS CSCD 2006年第5期387-388,共2页 Chinese Journal of Blood Transfusion
基金 湖北省攻关课题(编号:301-130760)
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参考文献8

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