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Sauvage V, Gomez J, Boizeau L, Vandenbogaert M, Barbier L, Tagny CT, Rakoto Alson AO, Bizimana P, Coulibaly SO, Boullahi MA, Soumana H, Mbensa G, Caro V, Laperche S. New insights into Human Pegivirus-1 (HPgV-1) genotypes diversity in sub-Saharan Africa. INFECTION GENETICS AND EVOLUTION 2021; 94:104995. [PMID: 34246798 DOI: 10.1016/j.meegid.2021.104995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 06/23/2021] [Accepted: 07/06/2021] [Indexed: 10/20/2022]
Abstract
In the framework of a viral discovery research program using metagenomics, Human Pegivirus-1 reads (HPgV-1, formerly known as GBV-C) were detected in plasma pools of healthy blood donors from seven sub-Saharan African countries. For five of these countries, Mauritania, Mali, Niger, Burundi and Madagascar, no data about HPgV-1 genotypes was reported to date. To confirm our metagenomic findings and further investigate the genotype diversity and distribution of HPgV-1 in Africa, 400 blood donations from these five localities as well as from Cameroon, the Democratic Republic of Congo (DRC) and the Burkina Faso were screened with a RT-nested PCR targeting the viral 5'NCR region. Amplified products were sequenced, and the virus was genotyped by phylogenetic analysis. Out of the 400 plasma samples tested, 65 were positive for HPgV-1 RNA and 61 were successfully genotyped. Among these, 54 strains (88.5%) clustered with genotype 1, six (9.8%) with genotype 2 and one (1.6%) with genotype 5. Genotype 1 was observed in all countries studied, except in Madagascar, genotype 2 was detected in Mauritania and Madagascar, and genotype 5 in DRC. Overall, our results extend the geographic distribution of HPgV-1 in Africa and provide six additional nearly complete genomes. Considering that some HPgV-1 genotypes have been reported as potential predictive indicators of lower disease progression in HIV-1 infected subjects, further investigations should be conducted to better understand the positive impact, if any, of this virus.
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Affiliation(s)
- Virginie Sauvage
- Institut National de la Transfusion Sanguine (INTS), Département d'études des Agents Transmissibles par le Sang, Centre National de Référence Risques Infectieux Transfusionnels, F-75015 Paris, France.
| | - Johanna Gomez
- Institut National de la Transfusion Sanguine (INTS), Département d'études des Agents Transmissibles par le Sang, Centre National de Référence Risques Infectieux Transfusionnels, F-75015 Paris, France
| | - Laure Boizeau
- Institut National de la Transfusion Sanguine (INTS), Département d'études des Agents Transmissibles par le Sang, Centre National de Référence Risques Infectieux Transfusionnels, F-75015 Paris, France
| | - Mathias Vandenbogaert
- Institut Pasteur, Pole for Genotyping of Pathogens (PGP), Laboratory for Urgent Response to Biological Threats, Environment and Infectious Risks Research and Expertise Unit, F-75724 Paris, France
| | - Léa Barbier
- Institut National de la Transfusion Sanguine (INTS), Département d'études des Agents Transmissibles par le Sang, Centre National de Référence Risques Infectieux Transfusionnels, F-75015 Paris, France
| | - Claude Tayou Tagny
- Faculty of Medicine and Biomedical Sciences of University of Yaounde I, Department of Hematology, Yaounde, Cameroon
| | | | | | | | | | | | - Guy Mbensa
- National Blood Center, Kinshasa, Republic Democratic of Congo
| | - Valérie Caro
- Institut Pasteur, Pole for Genotyping of Pathogens (PGP), Laboratory for Urgent Response to Biological Threats, Environment and Infectious Risks Research and Expertise Unit, F-75724 Paris, France
| | - Syria Laperche
- Institut National de la Transfusion Sanguine (INTS), Département d'études des Agents Transmissibles par le Sang, Centre National de Référence Risques Infectieux Transfusionnels, F-75015 Paris, France
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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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Li Z, Li Y, Liang Y, Hu L, Chen S. Prevalence and risk factors of human pegivirus type 1 infection in hematopoietic stem cell transplantation patients. Int J Infect Dis 2019; 85:111-113. [PMID: 31170546 DOI: 10.1016/j.ijid.2019.05.032] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/24/2019] [Accepted: 05/25/2019] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVES To investigate the prevalence, risk factors, and genotypes of human pegivirus type 1 (HPgV-1) in hematopoietic stem cell transplantation (HSCT) patients. METHODS One hundred and eighty-eight HSCT patients and 694 healthy blood donors were investigated retrospectively, including their demographic information and HPgV-1 infection status. RESULTS When compared with healthy blood donors, a significantly higher HPgV-1 prevalence (18.6% vs. 2.3%) and a high risk of HPgV-1 infection (odds ratio 9.7) were observed in HSCT patients (p<0.05). The number of transfusions in patients with RNA test conversions (negative to positive) was significantly higher than the number in patients without conversions (negative to negative) (median 10 vs. 1) (p<0.05). Although HPgV-1 infection is independent of age, sex, blood type, hepatitis B virus infection, hepatitis C virus infection, marriage status, and type of hematological malignancy (p>0.05), race might be a risk factor for infection (p<0.05). The great majority (95.7%) of HPgV-1-positive patients were infected with genotype 3. CONCLUSIONS HPgV-1 is highly prevalent in HSCT patients, and blood transfusions can significantly increase the risk of HPgV-1 infection. Thus, HPgV-1 screening is recommended in HSCT patients to reduce the potential impact of infection on survival, as well as in their blood and stem cell donors to reduce the risk of infection after transfusions, unless the beneficial effects of HPgV-1 infection in immunocompromised patients are clearly confirmed.
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Affiliation(s)
- Zhanjia Li
- Department of Laboratory Medicine, 307 Medical College of Anhui Medical University, Beijing, China; Department of Laboratory Medicine, 5th Medical Center of PLA General Hospital, Beijing, China
| | - Yuhang Li
- Center of Hematopoietic Stem Cell Transplantation, 5th Medical Center of PLA General Hospital, Beijing, China
| | - Yuying Liang
- Department of Infection and Control, 5th Medical Center of PLA General Hospital, Beijing, China
| | - Liangding Hu
- Center of Hematopoietic Stem Cell Transplantation, 5th Medical Center of PLA General Hospital, Beijing, China.
| | - Shuiping Chen
- Department of Infection and Control, 5th Medical Center of PLA General Hospital, Beijing, China; Department of Infection and Control, 307 Medical College of Anhui Medical University, Beijing, China.
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Inhibition of HIV-1 infection by human pegivirus type 1-derived peptides is affected by human pegivirus type 1 genotype and HIV-1 coreceptor tropism. AIDS 2018; 32:1951-1957. [PMID: 29912064 DOI: 10.1097/qad.0000000000001926] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE(S) Up to 40% of HIV-1 infected individuals are coinfected with human pegivirus type 1 (HPgV-1). The majority of studies, but not all, have reported a beneficial effect of HPgV-1 coinfection on HIV-1 disease progression. So far, the impact of different HPgV-1 genotypes on different HIV-1 subtypes remains unclear. METHODS Peptides derived from HPgV-1 envelope protein E2, and representing different viral genotypes, were synthesized using Fmoc/t-Bu-based solid phase peptide synthesis. The inhibitory effect of these peptides on the infection of reporter cell lines was tested using an HIV-1 subtype panel representing clades A (n = 2), AG (n = 2), B (n = 6), C (n = 2), D (n = 2), F (n = 2), G (n = 1), G/H (n = 1), and group O (n = 2). RESULTS HIV-1 infection was blocked more efficiently by peptides derived from HPgV-1 GT2 than GT1 (P = 0.05). The HIV-1 subtype did not affect the degree of inhibition by a peptide derived from HPgV-1 GT2. All CXCR4-/dual-tropic isolates (n = 12), but only half (four out of eight) CCR5-tropic viruses were inhibited by this peptide (P = 0.014). CONCLUSION Our data indicate that the inhibitory effect of peptides derived from HPgV-1 E2 protein is dependent on the genotype, suggesting that coinfection with HPgV-1 GT1 is less likely to confer a beneficial effect on HIV-1 disease progression than GT2. The preferential suppression of more pathogenic CXCR4-tropic HIV-1 by peptides derived from HPgV-1 GT2 may explain the favorable effect in patients harboring these HIV-1 isolates. Consequently, HPgV-1 genotype and HIV-1 coreceptor tropism are likely determinants for the beneficial effect of HPgV-1 co-infection in HIV-1-infected individuals.
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AbuOdeh RO, Al-Absi E, Ali NH, Khalili M, Al-Mawlawi N, Hadwan TA, Althani AA, Nasrallah GK. Detection and phylogenetic analysis of human pegivirus (GBV-C) among blood donors and patients infected with hepatitis B virus (HBV) in Qatar. J Med Virol 2015; 87:2074-81. [PMID: 26058920 DOI: 10.1002/jmv.24289] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2015] [Indexed: 11/12/2022]
Abstract
Human Pegivirus (HPgV), formerly GB virus-C/Hepatitis G virus (GBV-C/HGV), collectively known as GBV-C, is widely spread and has been reported to be associated with non-A-E hepatitis. To our knowledge, no previous study was conducted about HPgV in Qatar. Thus, the objectives of this study were as follows: (i) to determine the rates of HPgV infection in Qatar among healthy blood donors and HBV-infected patients, and (ii) to determine the most predominant HPgV genotype in Qatar. A total of 714 blood plasma samples from healthy donors (612) and HBV-infected patients (102) were collected. RNA was extracted, reversed transcribed, and then subjected for HPgV detection by two round-nested PCR using primers amplifying a 208 bp of 5'-UTR of the HPgV. For genotyping, the 5'-UTR PCR products (from 25 randomly picked samples) were cloned and sequenced. The overall infection rate of HPgV in Qatar was 13.3%. There was no significant difference (P = 0.41) in the infection rates between healthy donor (13.7%) and in HBV-infected patients (10.7%). Moreover, we did not find any significant association between HPgV infection rates and nationality, sex, or age (P > 0.05). Sequence analysis of 40 5'-UTR PCR amplicons yielded the European genotype 2 as most predominant in Qatar, although other genotypes (5 and 7) were also present. Our results indicate that there is no strong correlation between HPgV infection rate, condition, nationality, age, and sex, and genotype 2 is most predominant in Qatar.
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Affiliation(s)
- Raed O AbuOdeh
- Departmentof Basic Sciences, College of Science and Health Professions, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), National Guard Health Affairs, Jeddah, Kingdom of Saudi Arabia
| | - Enas Al-Absi
- Biomedical Science Program, Health Sciences Department, College of Arts and Sciences and Biomedical Research Center, Qatar University, Doha, Qatar
| | - Nadima H Ali
- Biomedical Science Program, Health Sciences Department, College of Arts and Sciences and Biomedical Research Center, Qatar University, Doha, Qatar
| | - Makiyeh Khalili
- Virology and Molecular Biology Section, Department of Laboratory Medicine and Pathology, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Naema Al-Mawlawi
- Virology and Molecular Biology Section, Department of Laboratory Medicine and Pathology, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Tameem A Hadwan
- Biomedical Science Program, Health Sciences Department, College of Arts and Sciences and Biomedical Research Center, Qatar University, Doha, Qatar
| | - Asmaa A Althani
- Biomedical Science Program, Health Sciences Department, College of Arts and Sciences and Biomedical Research Center, Qatar University, Doha, Qatar
| | - Gheyath K Nasrallah
- Biomedical Science Program, Health Sciences Department, College of Arts and Sciences and Biomedical Research Center, Qatar University, Doha, Qatar
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Prevalence of GB virus type C viraemia in MSM with or without HIV-1 infection in Beijing, China. Epidemiol Infect 2012; 140:2199-209. [PMID: 22444912 DOI: 10.1017/s0950268812000027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
GB virus C (GBV-C) is frequently identified in patients co-infected with human immunodeficiency virus type 1 (HIV-1) due to the similar transmission routes. However, it remains unclear how these two viruses interact with each other and how one virus affects the replication of the other in the human body. In this study, we performed a case-control study to determine whether GBV-C viraemia could prevent the acquisition of HIV-1 infection, and a cohort study to determine the prevalence, genotypic characteristics and incidence of GBV-C infection in men who have sex with men (MSM) populations in Beijing, China. The prevalence of GBV-C infection in HIV-1-negative subjects was similar to that in HIV-1-positive subjects. Before HIV-1 acquisition, the prevalence of GBV-C was 17·7%, which increased to 27·2% at the acute stage and to 34% at the chronic stage. Genotype 3 was the major genotype of GBV-C in both groups. A significantly positive correlation was observed between the CD4+ T-cell counts and GBV-C viral loads at the acute stage of HIV infection. At the chronic stage (12 months later), this correlation was no longer significant, although it was still positive. Overall, this study demonstrated that pre-existing GBV-C viraemia could not prevent the acquisition of HIV-1 infection and transmission of HIV-1 significantly increased the prevalence of GBV-C viraemia.
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Giret MTM, Miraglia JL, Sucupira MCA, Nishiya A, Levi JE, Diaz RS, Sabino EC, Kallas EG. Prevalence, incidence density, and genotype distribution of GB virus C infection in a cohort of recently HIV-1-infected subjects in Sao Paulo, Brazil. PLoS One 2011; 6:e18407. [PMID: 21483671 PMCID: PMC3071701 DOI: 10.1371/journal.pone.0018407] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Accepted: 03/07/2011] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The results of previous studies elsewhere have indicated that GB virus C (GBV-C) infection is frequent in patients infected with the human immunodeficiency virus type 1 (HIV-1) due to similar transmission routes of both viruses. The aim of this study was to determine the prevalence, incidence density and genotypic characteristics of GBV-C in this population. METHODOLOGY/PRINCIPAL FINDINGS The study population included 233 patients from a cohort primarily comprised of homosexual men recently infected with HIV-1 in São Paulo, Brazil. The presence of GBV-C RNA was determined in plasma samples by reverse transcriptase-nested polymerase chain reaction and quantified by real-time PCR. GBV-C genotypes were determined by direct sequencing. HIV viral load, CD4+ T lymphocyte and CD8+ T lymphocyte count were also tested in all patients. The overall prevalence of GBV-C infection was 0.23 (95% CI: 0.18 to 0.29) in the study group. There was no significant difference between patients with and without GBV-C infection and Glycoprotein E2 antibody presence regarding age, sex, HIV-1 viral load, CD4+ and CD8+T cell counts and treatment with antiretroviral drugs. An inverse correlation was observed between GBV-C and HIV-1 loads at enrollment and after one year. Also, a positive but not significant correlation was observed between GBV-C load and CD4+ T lymphocyte. Phylogenetic analysis of the GBV-C isolates revealed the presence of genotype 1 and genotype 2, these sub classified into subtype 2a and 2b. CONCLUSION/SIGNIFICANCE GBV-C infection is common in recently HIV -1 infected patients in Sao Paulo, Brazil and the predominant genotype is 2b. This study provides the first report of the GBV-C prevalence at the time of diagnosis of HIV-1 and the incidence density of GBV-C infection in one year.
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Affiliation(s)
- Maria Teresa M. Giret
- Division of Clinical Immunology and Allergy, University of Sao Paulo, Sao Paulo, Brazil
| | - João Luiz Miraglia
- Division of Clinical Immunology and Allergy, University of Sao Paulo, Sao Paulo, Brazil
| | | | | | - José Eduardo Levi
- Institute of Tropical Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Ricardo S. Diaz
- Infectious Diseases Division, Federal University of Sao Paulo, Sao Paulo, Brazil
| | | | - Esper G. Kallas
- Division of Clinical Immunology and Allergy, University of Sao Paulo, Sao Paulo, Brazil
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Cheng RG, Nixon DF. Herpes simplex virus and HIV-1: deciphering viral synergy. THE LANCET. INFECTIOUS DISEASES 2009; 9:74; author reply 74-5. [PMID: 19179220 DOI: 10.1016/s1473-3099(09)70002-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Shankar EM, Solomon SS, Vignesh R, Murugavel KG, Sundaram M, Solomon S, Balakrishnan P, Kumarasamy N. GB virus infection: a silent anti-HIV panacea within? Trans R Soc Trop Med Hyg 2008; 102:1176-80. [DOI: 10.1016/j.trstmh.2008.04.034] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2008] [Revised: 04/24/2008] [Accepted: 04/24/2008] [Indexed: 10/22/2022] Open
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Hattori J, Okumura N, Yamazaki Y, Uchiyama M, Hamaguchi M, Nishiyama Y, Kaneda T. Beneficial effect of GB virus C co-infection in Human Immunodeficiency Virus type 1-infected individuals. Microbiol Immunol 2007; 51:193-200. [PMID: 17310087 DOI: 10.1111/j.1348-0421.2007.tb03901.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Several reports have documented a better prognosis for HIV-1-infected patients co-infected with GBV-C, while other reports have contradicted such findings with the result that this issue remains controversial. We attempted to clarify the complicated status of the effect of GBV-C co-infection on HIV-1-infected patients. GBV-C RNA was detected in 37 samples in 182 HIV-1-infected patients (20.3%) using RT/nested PCR. Of these, 3 were determined to be GBV-C genotype 1, 12 were genotype 2, and the remaining 22 were genotype 3. The GBV-C viral load quantified by real-time PCR ranged from 7.8x10(3) to 3.3x10(6) copies/ml. Weakly negative correlation was observed between GBV-C viral load and HIV-1 viral load in 19 HAART-naïve patients, indicating that a higher GBV-C viral load is associated with a greater suppression of HIV-1 replication. A previously published in vitro study suggested that GBV-C infection would induce up-regulation of RANTES, leading to suppression of HIV-1 replication. However, in our present study, the blood RANTES level was significantly lower in the GBV-C co-infected group than in the uninfected group (190-9,959 vs. 264-31,038 pg/ml, P=0.004). Our results suggested that a suppression of HIV-1 replication by GBV-C co-infection is not mediated by up-regulated RANTES, and thus call for another as yet unknown factor.
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Affiliation(s)
- Junko Hattori
- Clinical Research Center, National Hospital Organization Nagoya Medical Center (Tokai Area Central Hospital for AIDS Treatment and Research), Nagoya, Aichi, Japan
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