铜陵地区献血员等人群中庚型肝炎病毒感染状况的初步调查

为调查铜陵地区献血员等人群中瘐型肝炎病毒的感染状况,采用ＰＣＲ技术检测了献血员,慢性丙型肝炎及非甲～戊型肝炎患者的血清ＨＧＶＲＮＡ。结果表明;献血员、慢性丙型肝炎及非甲～戊型肝炎患者血清ＨＧＶ ＲＮＡ的阳性率分别为６．４７％（１３／２０１）、２１．４３％（９／４２）及８．３３％（１／１２）。铜陵地区存在较为严重的ＨＧＶ感染;献血员中ＨＧＶ感染率高于ＨＣＶ,所以,加强献血员ＨＧＶ筛选意义重大。     

庚型肝炎病毒感染对慢性丙型肝炎的临床与病理学影响

目的 探讨庚型肝炎病毒（ＨＧＶ）感染对慢性丙型肝炎（ＣＨ－Ｃ）的临床与病理学影响。方法 应用逆转录－聚合酶链反应（ＲＴ－ＰＣＲ）法对５３例经肝穿活检确诊的ＣＨ－Ｃ患者血清标本进行了ＨＣＶ－ＲＮＡ检测,并将合并与未合并ＨＧＶ感染者进行了临床与病理学对比。结果 ＨＣＶ－ＲＮＡ阳性１５例（２８．３０％）。合并与未合并ＨＧＶ感染者在临床表现、肝功能等生化指标水平、ＨＣＶ－ＲＮＡ阳性率及肝脏病理损害等方面差     

急慢性丙型肝炎患者病毒血症与抗体反应及肝损害…

对１９例急性和２０例慢性丙型肝炎患者的血清丙型肝炎病毒ＲＮＡ、丙型肝炎病毒抗体和肝损害指标丙氨酸转氨酶，血清总胆工素进行了检测。在１９例急性丙型肝炎发病初期，ＨＣＶ－ＲＮＡ阳性１９例，抗－ＨＣＶ阳性１１例；２０例慢性丙型肝炎患者中，ＨＣＶ－ＲＮＡ阳性１７例，抗－ＨＣＶ阳性１７例。     

深圳地区不同人群庚型肝炎病毒感染的分子流行病学调查

在庚型肝炎病毒（ＨＧＶ）基因５’端非编码区（５’－ＵＴＲ）设计两对套式引物，建立检测ＨＧＶＲＮＡ的逆转录－巢式聚合酶链反应（ＲＴ－ｎｅｓｔｅｄＰＣＲ）。对深圳地区１０６例职业献血员、１６８例肝炎病人及８０例静脉毒瘾者进行ＨＧＶＲＮＡ的检测，阳性率分别为８．５％、７．７％与４６．３％，前两者与后者相比较差异均有显著性意义（Ｐ＜０．０１）。６１例慢性乙型肝炎与３３例慢性丙型肝炎病人ＨＧＶＲＮＡ阳性率分别为８．２％与２１．２％。３３例慢性丙型肝炎病人中，１５例接触过血液或血制品的病人ＨＧＶＲＮＡ阳性率为４０．０％，明显高于１８例无血液或血制品接触史者（Ｐ＜０．０５）。本研究结果提示深圳地区职业献血员中ＨＧＶ携带者较常见；静脉毒瘾者是ＨＧＶ感染的高危人群；慢性丙型肝炎常重叠ＨＧＶ感染，主要与接触血液或血制品有关。故对献血员进行ＨＧＶ筛查将减少输血后ＨＧＶ感染的发生     

用逆转录-套式聚合酶链反应检测我国不同临床型肝炎/肝病患者中庚型肝炎病毒感染

目的为了研究庚型肝炎病毒（ＨＧＶ）在我国的感染状况。方法根据已发表的ＨＧＶ的５’端非编码区（５’－ＵＴＲ区）及螺旋酶区（ＮＳ３区）两段高度保守的基因序列分别设计两套引物，用逆转录－套式聚合酶链式反应（ＲＴ－ｎｅｓｔｅｄＰＣＲ）检测ＨＧＶＲＮＡ。结果从北京、秦皇岛、河南等地采集各种肝病患者及职业献血员血清３５４份，ＨＧＶＲＮＡ阳性７９份，阳性率为２２．３％。其中已确定的临床型肝炎／肝病患者２５４例，ＨＧＶＲＮＡ阳性者为５０例，阳性率为１９．６％。原因不明的或非甲～戊型肝炎患者４３例，ＨＧＶＲＮＡ阳性者为１３例，阳性率为３０．２％。丙型肝炎阳性的职业献血员５７例，ＨＧＶＲＮＡ阳性者为１６例，阳性率为３０．２％。结论提示ＨＧＶ感染在我国多种人群中普遍存在，它不仅可能是引起非甲～戊型肝炎的重要病原之一，也可能是引起输血后肝炎的病原因子     

深圳地区不同人群庚型肝炎病毒感染的分子流行病…

在庚型肝炎病毒（ＨＧＶ）基因５’端非编码区（５’－ＵＴＲ）设计两对套式引物，建立检测ＨＧＶＲＮＡ的逆转录－巢式聚合酶链反应（ＲＴ－ｎｅｓｔｅｄＰＣＲ）。对深圳地区１０６例职业献血员，１６８例肝炎病人及８０例静脉毒瘾者进行ＨＧＶＲＮＡ的检测，阳性率分别为８．５％，７．７％与４６．３％前两者与后者相比较差异均有显著性意义（Ｐ〈０．０１）。６１例慢性乙型肝炎与３３例慢性丙型肝炎病人ＨＧＶＲＮＡ阳性率分别     

肝病患者中庚型肝炎病毒感染的检测

目的探讨临床肝病病人中庚型肝炎病毒（ＧＢＶ－Ｃ／ＨＧＶ）感染情况及临床特点。方法应用庚型肝炎病毒基因组５’ＵＴＲ两对寡核苷酸作为引物，建立逆转录套式聚合酶链反应，检测１６９例不同肝病患者血清标本中ＧＢＶ－Ｃ／ＨＧＶＲＮＡ，并对其中１例ＰＣＲ扩增产物进行克隆及测序。结果１６９例各型肝病病人ＧＢＶ－Ｃ／ＨＧＶＲＮＡ总的检出率为９５％（１６／１６９）。在２９例有手术输血史患者中，３１０％（９／２９）ＧＢＶ－Ｃ／ＨＧＶＲＮＡ呈阳性，明显高于无手术输血史组（５％，Ｐ＜００１）。序列分析显示１株庚肝病毒５’ＵＴＲ部分基因片段与已知庚肝病毒株核苷酸同源性在８９１４％～９８９１％之间。结论ＧＢＶ－Ｃ／ＨＧＶ感染普遍存在于临床肝病患者中，病人感染ＧＢＶ－Ｃ／ＨＧＶ的临床表现未发现有特殊性，ＧＢＶ－Ｃ／ＨＧＶ可能不是非甲～戊型肝炎的主要致病因子。     

35例庚型肝炎临床及酶学变化观察

目的探讨庚型肝炎病毒（ＨＧＶ）感染的临床意义。方法应用逆转录－套式聚合酶链反应（ＲＴ－ｎＰＣＲ）检测１６５例肝炎患者血清ＨＧＶＲＮＡ和血清酶的变化。其中急性肝炎２４例，慢性肝炎７８例，肝硬化１８例，肝癌４例，乙、丙肝携带者４１例。结果在急性黄疸型肝炎中检出单纯性ＨＧＶ感染３例（１２５％），血清ＡＬＴ水平在４８８±６５Ｕ／Ｌ之间，ＡＳＴ在４５２±７１Ｕ／Ｌ之间，ＴＢｉＬ在７７１±１４３μｍｏｌ／Ｌ。急性肝炎酶的升高一般在１个月内降到正常，而ＨＧＶＲＮＡ在ＡＬＴ降到正常后仍持续一段时间才转阴，其中１例发病后９个月转阴。慢性肝炎中检出ＨＧＶＲＮＡ阳性１９例（２４４％），其中单纯性ＨＧＶ阳性４例（５１３％）。肝硬化肝癌中ＨＧＶＲＮＡ阳性４例，其中１例肝硬化为单纯性ＨＧＶ阳性。结论在急性黄疸型肝炎、乙型肝炎病毒携带者、慢性肝炎、肝硬化以及肝癌中均可检出庚型肝炎病毒，为单独感染或与乙、丙型肝炎病毒同时或重叠感染，其传播途径与乙、丙型肝炎的传播途径相同。     

丙型肝炎病毒与庚型肝炎病毒混合感染及其对干扰素治 …

目的 研究丙型肝炎患者中庚型肝炎病毒（ＨＧＶ）混合感染情况。方法 采用套式聚合酶链反应（ＰＣＲ）方法检测血清样本中的ＨＧＶ ＲＮＡ。结果 ６０例丙型肝炎患者血清中的ＨＧＶ ＲＮＡ阳性率为２３．３％，其中慢性丙型肝炎患者的ＨＧＶ阳性率高于急性丙型肝炎患者。本组病例中，ＨＧＶ感染仅见于有输血或血制品史的患者。结论 血液传播是ＨＧＶ感染的主要途径。ＨＧＶ的感染有可能导致输血后丙型肝炎的潜伏期缩短。在α－     

献血员、丙型肝炎患者血中庚型肝炎检测分析

庚型肝炎病毒（ＨＧＶ） ,主要是经血液传播的一种新型肝炎病毒 ,对献血员进行ＨＧＶ筛查 ,是避免和减少与ＨＧＶ相关的输血性肝炎发生的有效方法。本文通过对献血员及丙型肝炎患者血清中抗ＨＧＶ -ＩｇＧ及庚型肝炎病毒核酸（ＨＧＶ -ＲＮＡ）的检测 ,对其感染状况进行分析 ,现将结果报告如下。对象和方法一、对象 :健康对照组８５例 ,用ＲＩＡ作血ＨＢｓＡｇ、ＨＣＶ -ＩｇＧ检测均为阴性 ,ＡＬＴ正常 ,年龄２１～３８岁。献血员１２６例 ,年龄２３～４２岁。丙型肝炎患者８６例（发病前均有输血史 ,根据１９９５年第五次全国病毒性肝炎诊…     

35型庚型肝炎临床及酶学变化观察

For the purpose of making sure the clinical significance of hepatitis G virus, RT-nested PCR was applied to detect HGV RNA in 165 hepatitis patients, which included 24 acute hepatitis, 78 chronic hepatitis, 18 hepatitic cirrhosis, 4 hepatocellularcarcinom and 41 HBV and HCV carriers. The results showed that the infection of HGV existed in all kinds of hepatitis patients. Among the acute hepatitis 12.5% (3/24) was HGV RNA positive. 19 (24.4%) cases were HGV RNA positive in chronic hepatitis, among which 4 cases were simply HGV RNA positive (5.13%). The serum ALT level in 3 cases of simple acute HGV patients was between 488 +/- 65 U/L, the value of AST between 452 +/- 71 U/L, the TBiL at about 77.1 +/- 14.3 mumol/L. All these showed that only HGV infection could lead to acute hepatitis. The rising enzyme dropped to normal about a month later in acute hepatitis while HGV RNA would remain. The problem whether HGV infection is caused by simple acute and chronic hepatitis infection is under investigation.     

Interspousal transmission of GB virus-C/hepatitis G virus: A comparison with hepatitis C virus

Although infection with GB virus-C/hepatitis G virus (GBV-C/HGV) by blood transfusion is well documented, little is known about the other routes of transmission. The prevalence of GBV-C/HGV infection in spouses of index patients and the related risk factors were studied. Hepatitis C virus (HCV) and GBV-C/HGV infections were studied in spouses of 100 patients with hepatitis C, of whom 12 were found to be also positive for GBV-C/HGV RNA. For couples both with GBV-C/HGV viremia, nucleotide sequences of the divergent envelope region were analyzed by phylogenetic tree constructions. For HCV infection, anti-HCV was found in 14 (14%) of the 100 spouses. Five spouses (42%) of the 12 patients with dual infection of GBV-C/HGV and HCV had evidence of GBV-C/HGV infection, three had viral RNA, and two had antibodies to a recombinant HGV envelope protein E2. Nucleotide sequence comparison and phylogenetic tree analysis of the genome in the GBV-C/HGV infected couple revealed the isolates to be closely related. These results suggest that spouses of patients with GBV-C/HGV infection are at a higher risk of acquiring GBV-C/HGV as compared with HCV, and they should be educated to avoid GBV-C/HGV infection from their spouses, in case GBV-C/HGV is shown to be pathogenic. J. Med. Virol. 53:348–353, 1997. © 1997 Wiley-Liss, Inc.     

GBV-C/hepatitis G virus in acute nonA-E hepatitis and in acute hepatitis of defined aetiology in Italy

The role of GBV-C/HGV in the aetiology of acute non A-E hepatitis and its impact on the course of acute hepatitis of defined aetiology were investigated by detecting viral RNA by RT-PCR and antibody to the E2 protein of GB virus C (anti-E2) by EIA. Ninety-eight patients with acute nonA-E hepatitis, 35 patients with acute hepatitis A, 63 with acute hepatitis B, 29 with acute hepatitis C and 270 controls were enrolled in this study. The prevalence of GBV-C/HGV RNA was similar among patients with acute nonA-E hepatitis (3.1%), with acute hepatitis A (2.9%), and controls (3.7%), but significantly higher (P < 0.05) among those with hepatitis B or C (19.0% and 48.3%, respectively). Similar figures were obtained considering the total rate of GBV-C/HGV exposure (viral RNA or anti-E2 positivity). The majority (24/30 or 80%) of GBV-C/HGV RNA positive patients reported a parenteral source of exposure whereas the remaining 20% denied having known risk factors. The liver function test values and the rate of chronic hepatitis B and C were similar in patients co-infected and in those not co-infected with GBV-C/HGV. This study excludes a significant role of GBV-C/HGV infection in the aetiology of acute nonA-E hepatitis in Italy. Concomitant GBV-C/HGV and HBV or HCV infection does not worsen the clinical course of illness among patients with acute hepatitis.     

广州地区肝炎患者血清中庚型肝炎病毒核酸检测和病毒核苷酸测序

目的 了解广州地区肝炎患者中庚型肝炎病毒（HGV）的感染情况及基因型特点。方法 采用逆转录－套式聚合酶链反应（RT－nested PCR)方法检测出肝炎患者血清中HGV RNA,引物位于HGV基因组的非编码区,并对扩增产物进行直接测序。结果 251例急慢性肝炎血清中共检出25例HGV RNA阳性,总阳性率为9．96％,其中56例非甲－戊型肝炎中要出4例阳性（7．14％）,77例乙型肝炎（HB）中检出8例阳性（10．39％）,118例丙型肝炎（HC）中检出13例阳性（11．17％）;2株HGV广州核苷酸之间的同源性为98．0％,与非洲洲的同源性分别为81．7％和84．2％,与美国株的同源性均为91．1％。结论 广州地区肝炎患者中存在HGV感染,2株HGV广州株可能为同一基因型,且与HGV美国株具有较高的同源性。     

Hepatitis G virus co-infection may affect the elimination of hepatitis C virus RNA from the peripheral blood of hemodialysis patients

Hemodialysis patients are at risk for hepatitis C virus (HCV) and hepatitis G virus (HGV) infection. The aim of this study was to investigate the possible influence of HGV co-infection on HCV RNA elimination from the peripheral blood of hemodialysis patients. The study involved 144 persons, all with HCV antibodies and HCV RNA. Among 144 patients 24 (16.7%) were positive for HGV RNA. After 2.5 years of observation 80 patients (55.6%) were still HCV RNA-positive. In the latter group 18 patients were co-infected with HGV and 62 were HGV RNA-negative. During 2.5 years of the follow-up study 64 patients eliminated HCV RNA from the serum. In this group only 6 patients were HGV co-infected. None of the HGV-positive patients eliminated HGV RNA from the serum. The higher incidence of HGV co-infection in the group of patients who remained HCV RNA-positive (18/80, 22.5%), in comparison to the group of HCV antibodies-positive patients who lost HCV in the blood (6/64, 9.4%, P < 0.0001) suggests, that the co-infection with HGV may delay the spontaneous elimination of HCV RNA from the blood.