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Assih M, Ouattara AK, Diarra B, Yonli AT, Compaore TR, Obiri-Yeboah D, Djigma FW, Karou S, Simpore J. Genetic diversity of hepatitis viruses in West-African countries from 1996 to 2018. World J Hepatol 2018; 10:807-821. [PMID: 30533182 PMCID: PMC6280160 DOI: 10.4254/wjh.v10.i11.807] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/10/2018] [Accepted: 10/23/2018] [Indexed: 02/06/2023] Open
Abstract
The severity of hepatic pathology and the response to treatment depend on the hepatitis virus genotype in the infected host. The objective of this review was to determine the distribution of hepatitis virus genotypes in West African countries. A systematic review of the literature in PubMed, Google Scholar and Science Direct was performed to identify 52 relevant articles reporting hepatitis A, B, C, D, E and G viruses genotypes. Hepatitis B virus (HBV) genotype E with a prevalence of 90.6% (95%CI: 0.891-0.920) found in this review, is characterized by low genetic diversity. Hepatitis C virus (HCV) genotypes 1 and 2 represented 96.4% of HCV infections in West African countries, while hepatitis delta virus, hepatitis A virus, hepatitis G virus genotypes 1 and HEV genotype 3 were reported in some studies in Ghana and Nigeria. HBV genotype E is characterized by high prevalence, low genetic diversity and wide geographical distribution. Further studies on the clinical implications of HBV genotype E and HCV genotypes 1 and 2 are needed for the development of an effective treatment against this viral hepatitis in West African countries. Surveillance of the distribution of different genotypes is also needed to reduce recombination rates and prevent the emergence of more virulent viral strains.
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Affiliation(s)
- Maléki Assih
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
| | - Abdoul Karim Ouattara
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
| | - Birama Diarra
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
| | - Albert Theophane Yonli
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
| | - Tegwindé Rebeca Compaore
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
| | - Dorcas Obiri-Yeboah
- Department of Microbiology and Immunology, School of Medical Sciences, University of Cape Coast, Cape Coast 00233, Ghana
| | - Florencia Wendkuuni Djigma
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
| | - Simplice Karou
- Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA-UL), Universite de Lome, Lome 00229, Togo
| | - Jacques Simpore
- Biochemistry-Microbiology, CERBA/LABIOGENE, Ouagadougou 02006, Burkina Faso
- Laboratory of Molecular Biology and Molecular Genetics (LABIOGENE) UFR/SVT, University Ouaga I Prof Joseph KI-ZERBO, Ouagadougou 00226, Burkina Faso
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