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自体来源的CML DCs治疗慢性粒细胞白血病的基础与临床研究

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摘要 目的研究自体来源的慢性粒细胞性白血病(CML)树突状细胞(DCs)治疗慢性粒细胞(慢粒)白血病的基础及临床效果。方法 28例CML患者,均接受体外诱导的自体慢粒来源DC静脉回输治疗,分析DC激活的T淋巴细胞对自体来源CML的杀伤作用以及DC回输前后外周血T调节性细胞的变化情况。结果培养后,HLA-DR、CDla、CD80、CD86阳性细胞分别占(85.5±11.4)%、(62.5±19.5)%、(59.4±25.0)%、(54.6±19.8)%。DC回输后,迟发型变态反应试验(DTH)均呈阳性,红斑直径为10 mm左右,外周血CD3+和CD4+T细胞百分率升高较为明显,CD8+T细胞百分率变化不大。骨髓细胞学检查提示为慢粒缓解期,Ph染色体检测提示阳性细胞数呈下降趋势,BCR-ABL融合基因阳性细胞所占比例为57.0%~94.0%。治疗期间,部分患者偶有低热表现,未影响治疗。结论自体来源的DCs治疗CML可激活T淋巴细胞对CML细胞的特异性杀伤作用,生成的机体抗肿瘤免疫反应可促进慢粒缓解。
出处 《中国实用医药》 2016年第25期87-88,共2页 China Practical Medicine
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