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重型肝炎患者血清肝炎病毒标志的检出及预后的关系 总被引:8,自引:1,他引:7
用酶联免疫吸附试验(ELISA)和聚合酶链反应(PCR)技术对203例重型肝炎的血清肝炎病毒标志物进行检测,结果显示单纯HBV感染108例(53.2%)HCV感染6例(2.95%),HEV感染8例(3.94%),HBV和HCV混合感染17例(8.37%),HBV和HEV混合感染36例(17.73%),12例(5.91%)未找到确切病因,表明HBV感染仍是重型肝炎的最主要病因(176/203),其次 相似文献
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Background Genetic variations at the interleukin 28B (IL-28B) locus are important in predicting outcome following therapy for chronic hepatitis C virus (HCV) infection. The aim of this research was to evaluate the role of IL-28B single nucleotide polymorphism (SNP) variations in Chinese patients undergoing pegylated interferon-α plus ribavirin (PEG-IFN-α/RBV) treatment.
Methods To determine the effect of IL-28B variation on the response to HCV therapy, these variants were genotyped in a cohort of 220 patients who were chronically infected with HCV and received combined PEG-IFN-α/RBV therapy.
Results The proportions of rs12979860 CC, CT, and TT genotypes were 71.4%, 25.0%, and 3.6% respectively, in the sustained virological response (SVR) group; 15.8%, 60.5%, and 23.7% respectively, in the null virological response (NVR) group; and 38.1%, 52.4%, and 9.5% respectively, in the relapse (Rel) group (P <0.05). Logistic regression analysis showed that, compared to those having the CC genotype, CT heterozygotes had an increased risk of NVR and Rel (OR=10.95, 95% CI =4.12-29.11, P=1.5×10-7 and OR=3.93, 95% CI =1.86-8.32, P=2.1×10-4 respectively). The RNA quantification assay showed that patients with genotype CC exhibited much higher levels of IL-28 expression than those with genotype CT or TT (P <0.001).
Conclusions The IL-28B SNP rs12979860 genotype was related to the effectiveness of HCV therapy: patients with the CC rs12979860 genotype had higher rates of SVR than those with the CT or TT genotype, and the CC genotype revealed a significantly higher level of IL-28 mRNA expression.
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【目的】评价阿德福韦酯治疗慢性乙型肝炎的疗效,研究HBV基因型与阿德福韦酯治疗后病毒学应答的关系。【方法】56例血清HBVDNA载量≥106拷贝/mL并符合其他入选标准、不符合排除标准的慢性乙型肝炎患者进入此研究。头12周随机分为阿德福韦酯治疗组和安慰剂治疗组,比较12周时两组HBVDNA水平差异。12周后所有患者使用阿德福韦酯治疗,所有患者接受阿德福韦酯治疗40周,比较40周治疗后和基线相比HBVDNA载量的变化、ALT复常率及HBeAg血清转换率。HBVDNA载量检测采用实时定量PCR法,HBV基因型采用线性探针分析法(INN0.—LiPA)检测。【结果】12周双盲治疗结束时,阿德福韦酯组和安慰剂组的HBVDNA载量较基线分别下降3.1±1.4log拷贝/mL和0..3±1.1log拷贝/mL。所有患者治疗40周后,HBVDNA载量平均下降3.6+1.2log拷贝/mL,71%(40/56)的患者ALT复常,20%(9/46)基线HBeAg阳性患者发生HBeAg血清转换,29%(16/56)出现完全应答。52例进行了HBV基因型检测,28(54%)为B型,24(46%)例为C型,未检测到其他基因型。两种基因型患者基线HBVDNA载量、ALT水平及HBeAg状态无明显统计学差异。阿德福韦酯治疗40周后,两组基因型患者HBVDNA载量、ALT复常率及HBeAg血清转换率无统计学差异。【结论】阿德福韦酯能明显抑制HBV复制,促进ALT复常和HBeAg血清转换。阿德福韦酯抑制HBV疗效与感染HBV基因型B型或C型无关。 相似文献
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苦参碱注射液治疗慢性乙型肝炎150例疗效观察 总被引:12,自引:1,他引:12
目的:观察苦参碱注射液(苦参碱)治疗慢性乙型肝炎(慢乙肝)的临床效果.方法:280例慢乙肝患者分为两组,治疗组150例用苦参碱150 mg静脉滴注,对照组130例以甘草酸二铵注射液(甘利欣)150 mg静脉滴注,疗程均为2个月.观察两组治疗前后肝功能指标(丙氨酸氨基转移酶、血清总胆红素、白蛋白)恢复情况及不良反应的发生情况.结果:治疗组及对照组均有明显的降酶、退黄等治疗作用,治疗组与对照组的丙氨酸氨基转移酶复常率分别为80.7%、82.3%,两组差异无统计学意义(P>0 05);治疗组的血清总胆红素复常率(74.7%)高于对照组(63.1%),差异有统计学意义(P<0.05);两组的乙肝病毒标记物的转化或乙肝病毒脱氧核糖核酸阴转现象并不明显.结论:苦参碱治疗慢乙肝安全、有效. 相似文献
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骨髓间充质干细胞在肝脏病理条件或体外诱导分化为有功能的肝(样)细胞以及对受损肝脏的修复作用是目前研究的热点。本文就骨髓间充质干细胞分化潜能及其可能的机制、免疫学特性以及在肝脏疾病的应用研究作系统的综述。 相似文献
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乙型肝炎疫苗的研究进展 总被引:8,自引:0,他引:8
林炳亮 《国外医学:内科学分册》1999,26(2):51-53,64
本文综述了近年来国外乙型肝炎疫苗的研究进展,对乙型肝炎疫苗在高危人群的保护,免疫保护期以及加强接种的策略,疫苗的联合应用,无(低)免疫应答的原因以及对策,DNA疫苗等热点问题进行了详细的阐述。 相似文献