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Samadi M, Salimi V, Haghshenas MR, Miri SM, Mohebbi SR, Ghaemi A. Clinical and molecular aspects of human pegiviruses in the interaction host and infectious agent. Virol J 2022; 19:41. [PMID: 35264187 PMCID: PMC8905790 DOI: 10.1186/s12985-022-01769-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/16/2022] [Indexed: 12/11/2022] Open
Abstract
Background Human pegivirus 1 (HPgV-1) is a Positive-sense single-stranded RNA (+ ssRNA) virus, discovered in 1995 as a Flaviviridae member, and the closest human virus linked to HCV. In comparison to HCV, HPgV-1 seems to be lymphotropic and connected to the viral group that infects T and B lymphocytes. HPgV-1 infection is not persuasively correlated to any known human disease; nevertheless, multiple studies have reported a connection between chronic HPgV-1 infection and improved survival in HPgV-1/HIV co-infected patients with a delayed and favorable impact on HIV infection development. While the process has not been thoroughly clarified, different mechanisms for these observations have been proposed. HPgV-1 is categorized into seven genotypes and various subtypes. Infection with HPgV-1 is relatively common globally. It can be transferred parenterally, sexually, and through vertical ways, and thereby its co-infection with HIV and HCV is common. In most cases, the clearance of HPgV-1 from the body can be achieved by developing E2 antibodies after infection. Main body In this review, we thoroughly discuss the current knowledge and recent advances in understanding distinct epidemiological, molecular, and clinical aspects of HPgV-1. Conclusion Due to the unique characteristics of the HPgV-1, so advanced research on HPgV-1, particularly in light of HIV co-infection and other diseases, should be conducted to explore the essential mechanisms of HIV clearance and other viruses and thereby suggest novel strategies for viral therapy in the future.
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Affiliation(s)
- Mehdi Samadi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.,Department of Microbiology, Molecular and Cell-Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Vahid Salimi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Haghshenas
- Department of Microbiology, Molecular and Cell-Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Seyed Mohammad Miri
- Department of Virology, Pasteur Institute of Iran, P.O. Box: 1316943551, Tehran, Iran
| | - Seyed Reza Mohebbi
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Ghaemi
- Department of Virology, Pasteur Institute of Iran, P.O. Box: 1316943551, Tehran, Iran.
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Cebriá-Mendoza M, Bracho MA, Arbona C, Larrea L, Díaz W, Sanjuán R, Cuevas JM. Exploring the Diversity of the Human Blood Virome. Viruses 2021; 13:v13112322. [PMID: 34835128 PMCID: PMC8621239 DOI: 10.3390/v13112322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 01/01/2023] Open
Abstract
Metagenomics is greatly improving our ability to discover new viruses, as well as their possible associations with disease. However, metagenomics has also changed our understanding of viruses in general. The vast expansion of currently known viral diversity has revealed a large fraction of non-pathogenic viruses, and offers a new perspective in which viruses function as important components of many ecosystems. In this vein, studies of the human blood virome are often motivated by the search for new viral diseases, especially those associated with blood transfusions. However, these studies have revealed the common presence of apparently non-pathogenic viruses in blood, particularly human anelloviruses and, to a lower extent, human pegiviruses (HPgV). To shed light on the diversity of the human blood virome, we subjected pooled plasma samples from 587 healthy donors in Spain to a viral enrichment protocol, followed by massive parallel sequencing. This showed that anelloviruses were clearly the major component of the blood virome and showed remarkable diversity. In total, we assembled 332 complete or near-complete anellovirus genomes, 50 of which could be considered new species. HPgV was much less frequent, but we, nevertheless, recovered 17 different isolates that we subsequently used for characterizing the diversity of this virus. In-depth investigation of the human blood virome should help to elucidate the ecology of these viruses, and to unveil potentially associated diseases.
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Affiliation(s)
- María Cebriá-Mendoza
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
| | - María A. Bracho
- Joint Research Unit “Infection and Public Health”, FISABIO-Universitat de València I2SysBio, 46020 València, Spain;
- CIBER in Epidemiology and Public Health (CIBERESP), 46020 València, Spain
| | - Cristina Arbona
- Centro de Transfusión de la Comunidad Valenciana, 46020 València, Spain; (C.A.); (L.L.)
| | - Luís Larrea
- Centro de Transfusión de la Comunidad Valenciana, 46020 València, Spain; (C.A.); (L.L.)
| | - Wladimiro Díaz
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
- Department of Informatics, Universitat de València, 46020 València, Spain
| | - Rafael Sanjuán
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
- Department of Genetics, Universitat de València, 46020 València, Spain
| | - José M. Cuevas
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
- Department of Genetics, Universitat de València, 46020 València, Spain
- Correspondence:
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Zimmerman J, Blackard JT. Human pegivirus type 1 infection in Asia-A review of the literature. Rev Med Virol 2021; 32:e2257. [PMID: 34038600 DOI: 10.1002/rmv.2257] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 05/13/2021] [Accepted: 05/17/2021] [Indexed: 12/16/2022]
Abstract
The human pegivirus type 1 (HPgV-1)-as known as hepatitis G virus and GB virus C-is a common single-stranded RNA flavivirus. Because few studies have demonstrated an association between HPgV-1 infection and disease, screening for HPgV-1 is not performed routinely. Nonetheless, a beneficial impact of HPgV-1 infection on HIV disease progression has been reported in multiple studies. Given the burden of HIV in Asia and the complex interactions between viral co-infections and the host, we provide a comprehensive overview of the existing data from Asia on HPgV-1 infection, including the prevalence and circulating genotypes in all Asian countries with data reported. This review highlights the research conducted thus far and emphasizes the need for additional studies on HPgV-1 across the Asian continent.
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Affiliation(s)
- Joseph Zimmerman
- Division of Digestive Diseases, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Jason T Blackard
- Division of Digestive Diseases, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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Jordier F, Deligny ML, Barré R, Robert C, Galicher V, Uch R, Fournier PE, Raoult D, Biagini P. Human pegivirus isolates characterized by deep sequencing from hepatitis C virus-RNA and human immunodeficiency virus-RNA-positive blood donations, France. J Med Virol 2018; 91:38-44. [PMID: 30133782 DOI: 10.1002/jmv.25290] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/14/2018] [Indexed: 01/18/2023]
Abstract
Human pegivirus (HPgV, formerly GBV-C) is a member of the genus Pegivirus, family Flaviviridae. Despite its identification more than 20 years ago, both natural history and distribution of this viral group in human hosts remain under exploration. Analysis of HPgV genomes characterized up to now points out the scarcity of French pegivirus sequences in databases. To bring new data regarding HPgV genomic diversity, we investigated 16 French isolates obtained from hepatitis C virus-RNA and human immunodeficiency virus-RNA-positive blood donations following deep sequencing and coupled molecular protocols. Initial phylogenetic analysis of 5'-untranslated region (5'-UTR)/E2 partial sequences permitted to assign HPgV isolates to genotypes 2 (n = 15) and 1 (n = 1), with up to 16% genetic diversity observed for both regions considered. Seven nearly full-length representative genomes were characterized subsequently, with complete polyprotein coding sequences exhibiting up to 13% genetic diversity; closest nucleotide (nt) divergence with available HPgV sequences was in the range 7% to 11%. A 36 nts deletion located on the NS4B coding region (N-terminal part, 12 amino acids) of the genotype 1 HPgV genome characterized was identified, along with single nucleotide deletions in two genotype 2, 5'-UTR sequences.
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Affiliation(s)
- François Jordier
- Biologie des Groupes Sanguins, Etablissement Français du Sang Provence Alpes Côte d'Azur Corse, Aix Marseille University, CNRS, EFS, ADES, Marseille, France
| | - Marie-Laurence Deligny
- Biologie des Groupes Sanguins, Etablissement Français du Sang Provence Alpes Côte d'Azur Corse, Aix Marseille University, CNRS, EFS, ADES, Marseille, France
| | - Romain Barré
- Biologie des Groupes Sanguins, Etablissement Français du Sang Provence Alpes Côte d'Azur Corse, Aix Marseille University, CNRS, EFS, ADES, Marseille, France
| | - Catherine Robert
- UMR MEPHI, IRD, Aix Marseille University, AP-HM, IHU Méditerranée-Infection, Marseille, France
| | - Vital Galicher
- Biologie des Groupes Sanguins, Etablissement Français du Sang Provence Alpes Côte d'Azur Corse, Aix Marseille University, CNRS, EFS, ADES, Marseille, France
| | - Rathviro Uch
- Biologie des Groupes Sanguins, Etablissement Français du Sang Provence Alpes Côte d'Azur Corse, Aix Marseille University, CNRS, EFS, ADES, Marseille, France
| | - Pierre-Edouard Fournier
- UMR VITROME, IRD, Aix Marseille University, SSA, AP-HM, IHU Méditerranée-Infection, Marseille, France
| | - Didier Raoult
- UMR MEPHI, IRD, Aix Marseille University, AP-HM, IHU Méditerranée-Infection, Marseille, France
| | - Philippe Biagini
- Biologie des Groupes Sanguins, Etablissement Français du Sang Provence Alpes Côte d'Azur Corse, Aix Marseille University, CNRS, EFS, ADES, Marseille, France
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Da Mota LD, Finger-Jardim F, Silva CM, Germano FN, Nader MM, Gonçalves CV, Da Hora VP, Silveira J, Basso RP, Soares MA, Martínez AMB. High prevalence and autochtonous transmission of human pegivirus (HPgV-1) in blood donors in the extreme southern of Brazil. J Med Virol 2018; 91:31-37. [PMID: 30133818 DOI: 10.1002/jmv.25291] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 06/29/2018] [Indexed: 01/04/2023]
Abstract
Recent studies have suggested that human pegivirus 1 (HPgV-1) may have some pathogenic potential. In the southernmost region of Brazil, studies on HPgV-1 are scarce, and circulating genotypes have not yet been identified. The current study aimed to evaluate the prevalence of HPgV-1 among blood donors from the southernmost region of Brazil and identify the genotypes involved with associated factors. A cross-sectional study was conducted with 281 blood donors, who had their plasma subjected to RNA extraction, complementary DNA synthesis, HPgV-1 detection by nested polymerase chain reaction, and subsequent genotyping. The observed prevalence of HPgV-1-RNA was 21.7%. The only variable that was significantly associated with virus infection was the relationship status of the donor. Single or no fixed partner blood donors were twice as likely to have HPgV-1 (95% CI, 1.12 to 4.56; P = 0.02). Genotype 2-subtypes 2b (69%) and 2a (29%)-was the most prevalent. In the absence of risk factors for parenteral transmission, it is likely that sexual transmission was the route of infection in the individuals studied. Further work will be needed to determine whether this virus is inert in the population, or if there are potential deleterious effects in infected individuals.
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Affiliation(s)
- Luísa D Da Mota
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Fabiana Finger-Jardim
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Cláudio M Silva
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Fabiana N Germano
- Laboratory of Biomedical Research, Institute of Health of Nova Friburgo, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Maiba M Nader
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Carla Vitola Gonçalves
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Vanusa P Da Hora
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Jussara Silveira
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Rossana P Basso
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
| | - Marcelo A Soares
- Oncovirology Program, Instituto Nacional do Câncer (INCA), Rio de Janeiro, Brazil
| | - Ana M B Martínez
- Molecular Biology Laboratory, School of Medicine, Universidade Federal do Rio Grande, Rio Grande, Brazil
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Miao Z, Gao L, Song Y, Yang M, Zhang M, Lou J, Zhao Y, Wang X, Feng Y, Dong X, Xia X. Prevalence and Clinical Impact of Human Pegivirus-1 Infection in HIV-1-Infected Individuals in Yunnan, China. Viruses 2017; 9:v9020028. [PMID: 28212298 PMCID: PMC5332947 DOI: 10.3390/v9020028] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 01/20/2017] [Accepted: 01/25/2017] [Indexed: 12/27/2022] Open
Abstract
Human Pegivirus-1 (HPgV-1) may have a beneficial impact on disease progression in human immunodeficiency virus-1 (HIV-1) infection. However, analysis of the genotypic diversity of HPgV-1 and its relevance to the progression of HIV-1 disease remains limited. A total of 1062 HIV-1-infected individuals were recruited in all sixteen prefectures of Yunnan province, China. The reverse transcription nested polymerase chain reaction (RT-nPCR), phylogenetic analyses, and clinical data analyses were used to detect HPgV-1 infection, determine genotype, and analyze HPgV-1 genotype impact on HIV-1 disease progression. The overall positive rate of HPgV-1 RNA was 23.4% (248/1062), and the frequency of HPgV-1 infection in injecting drug users (IDUs) (28.5%, 131/460) was significantly higher than in heterosexuals (19.4%, 117/602). Multiple genotypes were identified in 212 subjects with successful sequencing for the E2 gene, including genotype 7 (55.7%), genotype 3 (34.9%), genotype 4 (4.7%), genotype 2 (3.3%), and an unclassified group (1.4%). Moreover, genotype 7 predominated in IDUs, whereas genotype 3 was the most common in heterosexuals. Our results revealed that HPgV-1 genotype 7 groups exhibited significantly lower HIV-1 viral load and higher CD4+ cell counts. This finding suggests that HPgV-1 genotype 7 may be associated with a better progression of HIV-1 disease.
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Affiliation(s)
- Zhijiang Miao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
| | - Li Gao
- Department of Infectious Diseases, Yunnan Provincial Hospital of Infectious Diseases, Kunming 650301, China.
| | - Yindi Song
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
| | - Ming Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
| | - Mi Zhang
- Department of Infectious Diseases, Yunnan Provincial Hospital of Infectious Diseases, Kunming 650301, China.
| | - Jincheng Lou
- Department of Infectious Diseases, Yunnan Provincial Hospital of Infectious Diseases, Kunming 650301, China.
| | - Yue Zhao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
| | - Xicheng Wang
- Department of Infectious Diseases, Yunnan Provincial Hospital of Infectious Diseases, Kunming 650301, China.
| | - Yue Feng
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
| | - Xingqi Dong
- Department of Infectious Diseases, Yunnan Provincial Hospital of Infectious Diseases, Kunming 650301, China.
| | - Xueshan Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
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