alexa GB Virus C Infection among Lithuanian Population with Hepatitis C (HCV) Virus Infection
ISSN: 1948-5964

Journal of Antivirals & Antiretrovirals
Open Access

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Research Article

GB Virus C Infection among Lithuanian Population with Hepatitis C (HCV) Virus Infection

Valinciute A1 *, Kiveryte S2 and Mauricas M1

1Immunology Department, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania

2Laboratory of Molecular Diagnostics, Center of Laboratory Diagnostics, Vilnius University Hospital Santariskiu Clinics, Vilnius, Lithuania

*Corresponding Author:
Valinciute A
Immunology Department
State Research Institute Centre for Innovative Medicine
Vilnius, Lithuania
E-mail: [email protected]

Received Date: August 05, 2013; Accepted Date: September 02, 2013; Published Date: September 04, 2013

Citation: Valinciute A, Kiveryte S, Mauricas M (2013) GB Virus C Infection among Lithuanian Population with Hepatitis C (HCV) Virus Infection. J Antivir Antiretrovir 5:132-136. doi: 10.4172/jaa.1000076

Copyright: © 2013 Valinciute A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: GB virus C (GBV-C), also known as hepatitis G virus (HGV), is an enveloped virus with about 9,4Kb genome-length single-strand RNA. Based on similarity in genome structure with HCV, the GBV-C virus is classified as the Flaviviridae family virus. The GBV-C virus has a worldwide distribution and virus infections are common among healthy blood donors as well as among immunocompromised individuals. Previous studies showed the high GBV-C co-infection rate in hepatitis C virus (HCV) and Human immunodeficiency virus (HIV) positive individuals. Based on genetic differences between the 5′ untranslated region (5′UTR) sequences of GBV-C isolates, virus is classified into seven major genotypes and in several subtypes. The distribution of GBV-C genotypes varies geographically and information is still incomplete. The aim of this study was to determine the frequency the frequency of GBV-C and the GBV-C genotypes among the HCV positive individuals in Lithuania.
Methods: In this study, GBV-C RNA was isolated from serum samples of 170 patients with known HCV infection. The nested reverse transcriptase reaction was used to synthesize the complementary DNA (cDNA) and the fragment of 210 bp from 5′UTR region was amplified by nested RT PCR. The PCR products were sequenced and subjected to phylogenetic analysis by using reference sequences from each genotype obtained from GenBank (n=46). The analysis was computed using CLC bio version 6.6.5 and MEGA 5.2.
Results: Among 170 HCV positive patients, 36 (21.17%) were positive for GBV-C. Based on phylogenetic analysis of a short region (210 bp) in 5′UTR region two genotypes, 2a and 3 were classified.
Conclusions: In this study it was found a high frequency of the GBV-C genotype 2a in Lithuanian HCV positive patients. The presence of the genotype 3 may be correlated to the geographical location and history of Lithuania.

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