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为探讨ＨＢＶ侵入ＰＢＭＣ后对乙型病毒性肝炎患者细胞免疫功能的影响，本文应用ＰＣＲ技术和生物素—链霉亲合素（ＢＳＡ）系统分别检测９７例乙肝患者的外周血单核细胞（ＰＢＭＣ）内ＨＢＶ—ＤＮＡ和ＣＯ＋３、ＣＯ＋４、ＣＯ＋８、ＣＯ＋４／ＣＯ＋８及经ＰＨＡ诱导前后膜白介素—２受体（ｍＩＬ—２Ｒ）的表达水平。结果显示乙型病毒性肝炎患者Ｔ细胞亚群及ｍＩＬ—２Ｒ水平与正常对照相比较，均显著降低（Ｐ＜０．０１）。ＰＢＭＣ内ＨＢＶ—ＤＮＡ阳性组与阴性组相比较，ＣＯ＋３、ＣＯ＋４百分率降低、ＣＤ＋８百分率增高、ＣＯ＋４／ＣＯ＋８比值下降及ｍＩＬ—２Ｒ表达水平低下，二组差别有高度显著性（Ｐ＜０．０１）。说明乙型病毒性肝炎患者细胞免疫功能明显低下，ＨＢＶ感染ＰＢＭＣ后可引起乙肝患者的细胞免疫功能紊乱
In order to investigate the effect of HBV infection on cellular immunity in patients with viral hepatitis B, 97 PBMCs (PBMCs) were detected by PCR and biotin-streptavidin (BSA) ), HBV-DNA and CO + 3, CO + 4, CO + 8, CO + 4 / CO + 8 and membrane interleukin-2receptor (mIL-2R) The results showed that the levels of T lymphocyte subsets and mIL-2R in patients with viral hepatitis B were significantly lower than those in normal controls (P <0.01). Compared with negative group, the percentage of CO + 3 and CO + 4, the percentage of CD + 8, the decrease of CO + 4 / CO + 8 and the expression of mIL-2R in PBMC were significantly lower than those in the negative group (P <0.01) . That patients with viral hepatitis B cellular immune function was significantly lower, HBV infection of PBMC can cause hepatitis B patients with cellular immune dysfunction