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Manuylov V, Chulanov V, Bezuglova L, Chub E, Karlsen A, Kyuregyan K, Ostankova Y, Semenov A, Osipova L, Tallo T, Netesova I, Tkachuk A, Gushchin V, Netesov S, Magnius LO, Norder H. Genetic Diversity and Possible Origins of the Hepatitis B Virus in Siberian Natives. Viruses 2022; 14:2465. [PMID: 36366563 PMCID: PMC9693834 DOI: 10.3390/v14112465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/27/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
A total of 381 hepatitis B virus (HBV) DNA sequences collected from nine groups of Siberian native populations were phylogenetically analyzed along with 179 HBV strains sampled in different urban populations of former western USSR republics and 50 strains from Central Asian republics and Mongolia. Different HBV subgenotypes predominated in various native Siberian populations. Subgenotype D1 was dominant in Altaian Kazakhs (100%), Tuvans (100%), and Teleuts (100%) of southern Siberia as well as in Dolgans and Nganasans (69%), who inhabit the polar Taimyr Peninsula. D2 was the most prevalent subgenotype in the combined group of Nenets, Komi, and Khants of the northern Yamalo-Nenets Autonomous Region (71%) and in Yakuts (36%) from northeastern Siberia. D3 was the main subgenotype in South Altaians (76%) and Buryats (40%) of southeastern Siberia, and in Chukchi (51%) of the Russian Far East. Subgenotype C2 was found in Taimyr (19%) and Chukchi (27%), while subgenotype A2 was common in Yakuts (33%). In contrast, D2 was dominant (56%) in urban populations of the former western USSR, and D1 (62%) in Central Asian republics and Mongolia. Statistical analysis demonstrated that the studied groups are epidemiologically isolated from each other and might have contracted HBV from different sources during the settlement of Siberia.
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Affiliation(s)
- Victor Manuylov
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
| | - Vladimir Chulanov
- National Medical Research Center for Phthisiopulmonology and Infectious Diseases, 127473 Moscow, Russia
- Chair of Infectious Diseases, Sechenov University, 119048 Moscow, Russia
| | - Ludmila Bezuglova
- Hepatitis B ELISA Department, Vector-Best JSC, 630559 Koltsovo, Russia
| | - Elena Chub
- Department of Molecular Virology of Flaviviruses and Viral Hepatitis, State Research Center of Virology and Biotechnology “Vector” of the Rospotrednadzor, 630559 Koltsovo, Russia
| | - Anastasia Karlsen
- Department of Viral Hepatitis, Russian Medical Academy of Continuous Professional Education, 125993 Moscow, Russia
- Laboratory of Viral Hepatitis, Mechnikov Research Institute of Vaccines and Sera, 105064 Moscow, Russia
- Scientific and Educational Resource Center for High-Performance Methods of Genomic Analysis, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Karen Kyuregyan
- Department of Viral Hepatitis, Russian Medical Academy of Continuous Professional Education, 125993 Moscow, Russia
- Laboratory of Viral Hepatitis, Mechnikov Research Institute of Vaccines and Sera, 105064 Moscow, Russia
- Scientific and Educational Resource Center for High-Performance Methods of Genomic Analysis, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Yulia Ostankova
- Laboratory of Molecular Immunology, Institute Pasteur in Saint Petersburg for Research in Epidemiology and Microbiology of the Rospotrednadzor, 197101 Saint-Petersburg, Russia
| | - Alexander Semenov
- Ekaterinburg Research Institute of Viral Infections of SRC VB Vector, 620030 Ekaterinburg, Russia
| | - Ludmila Osipova
- Laboratory of Populational Ethnogenetics, Department of Molecular Diagnostics and Epidemiology, Institute of Cytology and Genetics, 630090 Novosibirsk, Russia
| | - Tatjana Tallo
- Department of Microbiology, Public Health Agency of Sweden, 171 82 Stockholm, Sweden
| | - Irina Netesova
- Hepatitis B ELISA Department, Vector-Best JSC, 630559 Koltsovo, Russia
| | - Artem Tkachuk
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
| | - Vladimir Gushchin
- Gamaleya National Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
| | - Sergey Netesov
- Laboratory of Bionanotechnology, Microbiology and Virology, Novosibirsk State University, 630090 Novosibirsk, Russia
| | | | - Heléne Norder
- Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, 413 90 Gothenburg, Sweden
- Department of Clinical Microbiology, Sahlgrenska University Hospital, 413 45 Gothenburg, Sweden
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Souza LO, Perez RM, Carvalho-Filho RJ, Matos CA, Moutinho RS, Silva IS, Medina-Pestana JO, Silva AE, Ferraz ML. Unexpected distribution of Hepatitis B genotypes in patients with kidney disease: Comparison with immunocompetent subjects. J Med Virol 2012; 84:1548-52. [DOI: 10.1002/jmv.23357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Teshale EH, Ramachandran S, Xia GL, Roberts H, Groeger J, Barry V, Hu DJ, Holmberg SD, Holtzman D, Ward JW, Teo CG, Khudyakov Y. Genotypic distribution of hepatitis B virus (HBV) among acute cases of HBV infection, selected United States counties, 1999-2005. Clin Infect Dis 2011; 53:751-6. [PMID: 21860013 DOI: 10.1093/cid/cir495] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Knowledge of the genotypic distribution of hepatitis B virus (HBV) facilitates epidemiologic tracking and surveillance of HBV infection as well as prediction of its disease burden. In the United States, HBV genotyping studies have been conducted for chronic but not acute hepatitis B. METHODS Serum samples were collected from patients with acute hepatitis B cases reported from the 6 counties that participated in the Sentinel Counties Study of Acute Viral Hepatitis from 1999 through 2005. Polymerase chain reaction followed by nucleotide sequencing of a 435-base pair segment of the HBV S gene was performed, and the sequences were phylogenetically analyzed. RESULTS Of 614 patients identified with available serum samples, 75% were infected with genotype A HBV and 18% were infected with genotype D HBV. Thirty-two percent of genotype A sequences constituted a single subgenotype A2 cluster. The odds of infection with genotype A (vs with genotype D) were 5 times greater among black individuals than among Hispanic individuals (odds ratio [OR], 5; 95% confidence interval [CI], 2.3-10.7). The odds of infection with genotype A were 49, 8, and 4 times greater among patients from Jefferson County (Alabama), Pinellas County (Florida), and San Francisco (California), respectively, than among those living in Denver County (Colorado). Genotype A was less common among recent injection drug users than it was among non-injection drug users (OR, 0.2; 95% CI, 0.1-0.4). CONCLUSIONS HBV genotype distribution was significantly associated with ethnicity, place of residence, and risk behavior.
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Affiliation(s)
- Eyasu H Teshale
- Division of Viral Hepatitis, National Center for HIV, Hepatitis, TB and STD Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
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Mutation spectra of the surface-protein-coding region of the HBV genome in HBV-vaccinated and non-vaccinated individuals in Hungary. Arch Virol 2008; 153:1885-92. [PMID: 18813870 DOI: 10.1007/s00705-008-0206-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2008] [Accepted: 08/26/2008] [Indexed: 01/05/2023]
Abstract
Hepatitis B virus (HBV) infection has a major effect on health care systems, with about one-third of the world's population currently infected with the virus. There is an effective vaccine against HBV, which contains a recombinant "surface antigen" produced in an expression vector. Vaccination has proved to be successful in Hungary: the number of acute HBV cases has decreased in the past 10 years. Although an increasing number of publications report on "vaccine-escape" HBV variants which can infect HBV-vaccinated individuals, such mutant HBV strains have not yet been detected in Hungary. We therefore surveyed two risk groups for vaccine-escape or immunoglobulin-escape HBV mutations in Hungary: 28 actively and/or passively HBV-immunized children of HBV carrier mothers who proved to be HBsAg and/or anti-HBc positive and 40 symptomless HBV carrier pregnant women (presumably carrying genotype B or C). We focused on the coding sequences of the "a" immundominant region of the surface protein. We could not detect the G145R amino acid substitution associated with vaccine escape mutant virus. However, we could map other mutations potentially affecting the immunodominant "a" region of the HBV surface protein.
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Abstract
There are eight genotypes of hepatitis B virus (HBV). Most genotypes can be further divided into subgenotypes. HBV genotypes influence the course of disease and treatment, and show geographic preferences. In Europe, A and D are the main genotypes found. Genotype A is more prevalent in northern Europe, where genotype D is mainly found in countries surrounding the Mediterranean Sea and in Eastern Europe. Subgenotype A2 is the dominant subgenotype in Europe, but the geographic prevalence of the four subgenotypes found in genotype D is not yet clear. On treatment with interferon HBV, genotype A, compared to genotype D, showsbetter virological response and in a large proportion of patients, even development of anti-HBs. However, in the first year of treatment with lamivudine, higher rates of emergence of YMDD variants are observed in genotype A. This work summarizes the current knowledge on HBV genotypes in countries with low and intermediate HBV carriership from Europe.
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Affiliation(s)
- Stephan Schaefer
- Department of Virology, Institute for Medical Microbiology, Virology and Hygiene, Rostock University, Rostock, Germany
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Szomor KN, Dencs A, Tóth G, Kovács GM, Saleh Ali Y, Berencsi G, Takács M. Variability of the PreS1/PreS2/S regions of hepatitis B virus in Hungary. Arch Virol 2007; 152:697-704. [PMID: 17195955 DOI: 10.1007/s00705-006-0902-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2006] [Accepted: 11/15/2006] [Indexed: 12/18/2022]
Abstract
Infection with the hepatitis B virus can occur perinatally, parenterally, or sexually, and it can cause acute or chronic liver diseases. Phylogenetic analysis of the virus has led to its classification into eight genotypes (A-H), which show a characteristic worldwide distribution. The aim of this study was to reveal the HBV genotypes present in Hungary and to investigate a nosocomial and an intrafamilial outbreak. The collected samples were tested by nested PCR, and a 650-nucleotide-long segment of the preS1/preS2/S region was sequenced. As no previous genotype data were available from Hungary, sera of 24 HBsAg-positive patients were collected from different regions of the country. They also served as control samples for the molecular epidemiologic study. Nineteen of them carried genotype D of hepatitis B virus, and five of them carried genotype A. Twenty-nine patients from a haemato-oncology unit were affected in a nosocomial outbreak. The patients had haematological and/or oncological diseases, most of them were immunosuppressed. In twenty-eight cases, based on phylogenetic analysis of the viruses, there was presumably a common source of infection, and an epidemiological investigation showed that the infections seemed to be hospital-acquired. In the intrafamilial outbreak, two asymptomatic carrier children infected their foster mother. The three sequences were totally identical.
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Affiliation(s)
- K N Szomor
- Division of Virology, National Center for Epidemiology, Budapest, Hungary
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