Hepatitis B, C and D virus genotypes detected in HBsAg- or anti-HCV-positive people from the Republic of Moldova
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GORI, Ala; GHEORGHIŢA, Stela; SPÎNU, Constantin; PYNZARU, Iu.; HALACU, Ala; SAJIN, Octavian; SUVEICĂ, Luminiţa; SAUSY, Aurelie; MULLER, Claude P.; HÜBSCHEN, Judith. Hepatitis B, C and D virus genotypes detected in HBsAg- or anti-HCV-positive people from the Republic of Moldova. In: Archives of Virology. 2018, nr. 2(163), pp. 431-438. ISSN 0304-8608.
10.1007/s00705-017-3632-6
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Archives of Virology
Numărul 2(163) / 2018 / ISSN 0304-8608

Hepatitis B, C and D virus genotypes detected in HBsAg- or anti-HCV-positive people from the Republic of Moldova

DOI: https://doi.org/10.1007/s00705-017-3632-6

Pag. 431-438

Gori Ala1, Gheorghiţa Stela1, Spînu Constantin1, Pynzaru Iu.1, Halacu Ala1, Sajin Octavian1, Suveică Luminiţa1, Sausy Aurelie2, Muller Claude P.2, Hübschen Judith2
 
1 National Center of Public Health,
2 Infectious Diseases Research Unit, Department of Infection and Immunity, Luxembourg Institute of Health
 
Disponibil în IBN: 26 februarie 2018


Rezumat

In the Republic of Moldova, little is known about hepatitis B, C and D virus (HBV, HCV, HDV) genotypes, although the genetic variant may influence the course and outcome of disease. For HBV genotyping, 301 hepatitis B surface antigen (HBsAg)-positive sera collected in 2010 and 2011 from drug users, prison inmates, commercial sex workers, and the general population in different geographical regions were investigated. The 31 HBsAg-positive sera collected in 2011 were also tested for HDV. Eighty-eight anti-HCV-positive sera collected between 2010 and 2011 from the general population and health care workers were used for HCV genotyping. Phylogenetic analysis of 84 HBV sequences showed that most of the viruses belonged to genotype D (n = 82, 97.6%), predominantly to the subgenotype D1/D2 cluster (n = 75/82, 91.5%). One sequence (74110) clustered as an outlier to this cluster, and six sequences belonged to subgenotype D3. Only two subgenotype A2 sequences were found. Cloning of six samples with ambiguous sequence chromatogram signals showed no mixed infections. Phylogenetic analysis of HCV sequences from 66 patients showed a predominance of subtype 1b (n = 63, 95.5%). Two sequences belonged to subtype 3a, and one to subtype 2a. HDV RNA belonging to genotype 1 was found in two sera (2/31, 6.5%). Thus, genotypes prevalent in Europe were detected for all three hepatitis viruses. For both HBV and HCV, one genotype was dominant, while occasional other variants seem to be restricted to certain cohorts and/or transmission routes.