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乙型肝炎患者血清Pre-S2抗原的意义
http://www.100md.com 1998年3月15日 《世界华人消化杂志》 1998年第3期
     福建省三明市第一医院消化内科 365000

    陈宏斌,男,1967-05-24生,福建省南安县人,汉族. 1990年福建医学院医疗系毕业,消化内科住院医生,发表论文2篇.

    项目负责人
陈宏斌,365000,福建省三明市第一医院消化内科,福建省三明市牡丹新村24幢401室.

    Correspondence to Hong-Bin Chen, Department of Gastroenterology, Sanming First Municipal Hospital, Room 401, Mudan Xincun 24, Sanming 365000, Fujian Province, China

    Tel. +86·598·8226195(H)
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    收稿日期 1997-10-28

    Serum Pre-S2 antigen in patients with hepatitis B

    Hong-Bin Chen, Ya-Dong Zhang and Yue Huang

    Department of Gastroenterology, Sanming First Municipal Hospital, Sanming 365000, Fujian Province, China

    Abstract

    AIM To study the value of serum Pre-S2 antigen in patients with hepatitis B.
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    METHODS
Serum Pre-S2 antigen and HBV DNA were detected by the RIA and PCR method in 26 hepatitis B patients with HBsAg(+), HBeAg(+), HBcAb(+), and 47 hepatitis B with HBsAg(+), HBeAb(+), HBcAb(+), and 20 healthy blood donors.

    RESULTS
Pre-S2 antigen and HBV DNA were all positive (100%) in 26 cases of hepatitis B with HBsAg(+), HBeAg(+), HBcAb(+); and 30 were positive (63.8%) in serum Pre-S2 antigen, 32 positive (68.1%) in HBV DNA, and 28 positive (59.6%) in both Pre-S2 antigen and HBV DNA, 14 negative (30%) both in Pre-S2 antigen and HBV DNA in hepatitis B with HBsAg(+), HBeAb(+), HBcAb(+). In 20 healthy blood donors one was positive (5%) and 19 were negative (95%) in Pre-S2 antigen, and 2 were positive (10%) and 18 negative (80%) in HBV DNA, and zero was positive (0%), and 18 were negative (80%) in both Pre-S2 antigen and HBV DNA.
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    CONCLUSION
Serum Pre-S2 antigen may be used as a new marker to predict activity and infection in patients with chronic hepatitis B.

    Subject headings hepatitis B/immunology; hepatitis B surface antigens/analysis; protein precursors/analysis;

    hepatitis B virus/genetis; DNA, viral/analysis; polymerase chain reaction

    Chen HB, Zhang YD, Huang Y. Serum Pre-S2 antigen in patients with hepatitis B. Huaren Xiaohua Zazhi,1998;6(3):210-211
, 百拇医药
    摘要

    
目的 研究PreS2抗原与乙型肝炎患者HBV标记的关系.

    方法 血清HBsAg(+),HBeAg(+),HBcAb(+)的乙型肝炎患者26例,血清HBsAg(+),HBeAb(+),HBcAb(+)的乙型肝炎患者47例及健康献血者20例,血清用RIA法检测Pre-S2抗原及用PCR法检测HBV DNA.

    结果 血清HBsAg(+),HBeAg(+),HBcAb(+)的乙型肝炎患者26例,Pre-S-2抗原与HBV DNA均阳性(100%);血清HBsAg(+),HBeAb(+),HBcAb(+)的乙型肝炎患者47例,Pre-S-2抗原30例阳性(63.8%),17例阴性(36.2%),HBV DNA 32例阳性(68.1%),15例阴性(31.9%),Pre-S-2抗原与HBV DNA均阳性28例(59.6%),均阴性14例(30.0%). 健康献血者20例,Pre-S-2抗原阳性1例(5.0%),阴性19例(95.0%),HBV DNA阳性2例(10.0%),阴性18例(80.0%), Pre-S-2抗原及HBV DNA均阳性0例(0%),均阴性18例(80.0%).
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    结论 Pre-S-2抗原可作为预测慢性乙型肝炎患者病情活动与传染的标志.

    主题词 肝炎,乙型/免疫学;肝炎表面抗原,乙型/分析;蛋白质前体/分析; 肝炎病毒,乙型/遗传学;DNA,病毒/分析;聚合酶链反应

    陈宏斌, 张娅东, 黄跃.乙型肝炎患者血清Pre-S2抗原的意义.华人消化杂志,1998;6(3):210-211

    0 引言


    乙型肝炎病毒(HBV)基因上的前S2区及其所编码的蛋白(前S2蛋白)是近年来乙型肝炎研究的新课题[1,3]. 前S2蛋白与HBV的感染和复制有密切关系. 我们将血清HBsAg(+),HBeAg(+),HBcAb(+)的乙型肝炎患者26例,血清HBsAg(+),HBeAb(+),HBcAb(+)的乙型肝炎患者47例和健康献血者20例的血清,分别用RIA法检测其Pre-S2抗原和PCR法检测HBV DNA,现报告如下:
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    1 对象和方法

    1.1 对象
血清HBsAg(+),HBeAg(+),HBcAb(+)的乙型肝炎患者26例与血清HBsAg(+),HBeAb(+),HBcAb(+)的乙型肝炎患者47例均为我院门诊或病房应用RIA法(试剂盒由北方生物技术研究所提供)检测明确诊断患者,对照组20例为本院健康献血者.

    1.2 方法 Pre-S2抗原的检测应用RIA法,试剂盒由北京北方生物技术研究所提供,操作按试剂盒说明进行,用SN-682放射免疫技术器测量. HBV DNA PCR试剂盒由上海生物公司提供,采用美国PE公司的TCL DNA热循环仪进行检测.

    表1 HB患者Pre-S2抗原及HBV DNA的检出结果
乙型肝炎血清标志物nPre-S2抗原HBV DNAPre-S2抗原+HBV DNA
阳性阴性阳性阴性阳性阴性
HBsAg(+), HBeAg(+), HBcAb(+)2626(100.0%)0( 0.0%)26(100.0%)0( 0.0%)26(100.0%)0( 0.0%)
HBsAg(+), HBeAb(+), HBcAb(+)4730(63.8%)17(36.2%)32(68.1%)15(31.9%)28(59.6%)14(30.0%)
健康对照组201( 5.0%)19(95.0%)2(10.0%)18(80.0%)0( 0.0%)18(80.0%)

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    2 结果

    血清HBsAg(+),HBeAg(+),HBcAb(+)的乙型肝炎患者26例,Pre-S2抗原与HBV DNA-PCR均阳性(100%),血清HBsAg(+),HBeAb(+),HBcAb(+)的乙型肝炎患者47例,Pre-S2抗原阳性30例(63.8%),HBV DNA-PCR阳性32例(68.1%),Pre-S2抗原与HBV DNA-PCR均阳性28例(59.6%),均阴性14例(30.0%). 健康献血者20例,Pre-S2抗原阳性1例(5.0%),HBV DNA-PCR阳性2例(10.0%),阴性18例(80.0%),Pre-S2抗原及HBV DNA-PCR均阳性0例(0.0%),均阴性18例(80.0%,表1).

    3 讨论
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    Brahm et al[3]应用单克隆抗体(mo-F124)和RIA检测技术,在急性乙型肝炎潜伏期,ALT升高前70d的血清中即可检测到低水平的前S2抗原,其滴度随血清HBV DNA的出现而迅速升高,并与HBsAg滴度呈平行关系. 姚光弼 et al[4]报告35例前S2抗原阳性的慢性乙型肝炎患者中有27例(77.1%)HBeAg阳性,而20例前S2抗原阴性者仅5例(25.0%)HBeAg阳性,8例血清HBV DNA阳性的慢性乙型肝炎患者中前S2抗原阳性者6例(75.0%). 我们在检测中亦发现26例血清HBsAg(+),HBeAg(+),HBcAb(+)的乙型肝炎患者中Pre-S2抗原全部阳性且HBV DNA亦阳性. 47例血清HBsAg(+),HBeAb(+),HBcAb(+)的乙型肝炎患者中30例(63.8%)前S2抗原阳性病例与HBV DNA亦阳性28例(59.6%)基本同步. 由此看来,HBV感染早期血清中的前S2抗原检出与病毒活动性复制标志有密切相关性.
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    4 参考文献

    1 张建营. 病毒性肝病研究进展. 第1版. 北京:中国科学技术出版社,1992:56-61

    2 胡国龄,任培上,谭法明,张铮. 乙型肝炎前S2抗原检测的临床意义. 中华传染病杂志,1989;7(3):139-141

    3 Brahm J, Gerken G, Allerti A, Budkowska A. Sequential studies of pres2 antigenemia and antipres2 antibodies in relation to

    viral replication in acute hepatitis B followed from the early incubation phase. J Med Virol, 1988;24(2):205-211

    4 姚光弼,陆选永,张利民,田月芬,吴晓红. 前S1和前S2蛋白HBV复制的新标志.中华传染病杂志,1988;6(4):193-196, http://www.100md.com(陈宏斌 张娅东 黄跃)