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Tang X, Yang L, Zhang P, Wang C, Luo S, Liu B, Fu Y, Candotti D, Allain JP, Zhang L, Li C, Li T. Occult Hepatitis B Virus Infection and Liver Fibrosis in Chinese Patients. J Infect Dis 2023; 228:1375-1384. [PMID: 37170968 DOI: 10.1093/infdis/jiad140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/20/2023] [Accepted: 05/11/2023] [Indexed: 05/13/2023] Open
Abstract
BACKGROUND The impact of hepatitis B surface antigen (HBsAg)-negative/hepatitis B virus (HBV) DNA-positive occult HBV infection (OBI) on the severity of liver fibrosis remains unclear. METHODS A total of 1772 patients negative for HBsAg but positive for antibody to hepatitis B core antigen (HBcAg), stratified by the presence or absence of OBI, were selected for long-term carriage leading to elevation of ≥2 of 4 liver fibrosis indexes-hyaluronic acid (HA), laminin, type III procollagen peptide (PCIII), and type IV collagen (CIV)-at testing in a Chinese hospital. Patients were tested for serum viral load, HBV markers, and histopathological changes in liver biopsy specimens. RESULTS OBI was identified in 148 patients with liver fibrosis (8.4%), who had significantly higher levels of HA, laminin, PCIII, and CIV than 1624 fibrotic patients without OBI (P < .05). In 36 patients with OBI who underwent liver biopsy, significant correlations were observed between OBI viral load and serum HA levels (P = .01), PCIII levels (P = .01), and pathological histological activity index (HAI) scores (P < .001), respectively; HAI scores and PCIII levels (P = .04); HBcAg immunohistochemical scores and HA levels (P < .001); and HBcAg immunohistochemical scores and PCIII levels (P = .03). Positive fluorescent in situ hybridization results were significantly more frequent in patients with OBIs (80.6% vs 37.5% in those without OBIs). Among patients with OBIs, HBcAg was detected in the liver tissue in 52.8% and HBsAg in 5.6%. CONCLUSIONS OBI status appears to be associated with liver fibrosis severity.
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Affiliation(s)
- Xi Tang
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
- Department of Infectious Diseases, The First Foshan People's Hospital, Foshan, China
| | - Liu Yang
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
- Department of Cardiology, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Panli Zhang
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Cong Wang
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Shengxue Luo
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Bochao Liu
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Yongshui Fu
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
- Institute of Blood Transfusion, Guangzhou Blood Center, Guangzhou, China
| | - Daniel Candotti
- Department of Virology, Henri Mondor Hospital, AP-HP and University of Paris-Est, INSERM U955, IMRB, Créteil, France
| | - Jean-Pierre Allain
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
- Depratment of Haematology, University of Cambridge, Cambridge, United Kingdom
| | - Ling Zhang
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Chengyao Li
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Tingting Li
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
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Azzam A, Khaled H, El-Kayal ES, Gad FA, Omar S. Prevalence of occult hepatitis B virus infection in Egypt: a systematic review with meta-analysis. J Egypt Public Health Assoc 2023; 98:13. [PMID: 37491501 PMCID: PMC10368600 DOI: 10.1186/s42506-023-00138-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 06/17/2023] [Indexed: 07/27/2023]
Abstract
BACKGROUND Occult hepatitis B virus (HBV) infection (OBI) is a major public health problem. The clinical importance of OBI stems from the fact that it can be transmitted to healthy individuals at extremely low viral load levels. Additionally, immunosuppression has the potential to trigger viral replication, which can result in life-threatening liver decompensation. Despite several studies examining the prevalence of OBI, the pooled prevalence of OBI in Egypt remains unknown, particularly among blood donors and high-risk individuals, to whom intervention should be targeted. METHODS A comprehensive literature search of the following databases was conducted from inception to October 2022 using the following keywords: occult hepatitis B virus infection or occult HBV infection or OBI and Egypt in MEDLINE [PubMed], Scopus, Google Scholar, and Web of Science. The review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement. I-squared and Cochran's Q were used to measure the heterogeneity between the studies, and based on the random effects model, results were reported as proportions (%) with a 95% confidence interval (CI). Analyses of subgroup analyses were conducted based on the target population. Sensitivity analyses were conducted using the leave-one-out approach to test the robustness of the results. RESULTS A total of 50 studies with 62 estimations of OBI were included, 19 in patients who were HBsAg-negative and anti-HBc-positive and 43 in patients who were HBsAg-negative. The highest prevalence (41%) was among multi-transfused patients according to studies that report occult hepatitis B virus prevalence in an HBsAg-negative population, while the pooled prevalence of OBI among patients on hemodialysis, patients with chronic hepatitis C infection, patients with hepatocellular carcinoma (HCC), and patients with liver cirrhosis was 17%, 10%, 24%, and 13%, respectively. On the other hand, among studies that report OBI prevalence in HBsAg-negative and anti-HBc-positive individuals, the pooled prevalence of OBI among blood donors, patients with chronic hepatitis C infection, and patients with HCC was 12%, 15%, and 31%, respectively. Also, the majority of studies examining the genetic background of OBI have found that genotype D is the most prevalent. CONCLUSION This study highlights the high prevalence in OBI among blood donors and high-risk populations in Egypt. The implementation of HBV nucleic acid amplification testing (NAT) may increase the safety of blood transfusions by excluding all HBV DNA-positive donations. However, the cost-effectiveness of these tests should be investigated.
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Affiliation(s)
- Ahmed Azzam
- Department of Microbiology and Immunology, Faculty of Pharmacy, Helwan University, Ain Helwan, Cairo, Egypt.
| | - Heba Khaled
- Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Esraa S El-Kayal
- Biotechnology Program, Faculty of Science, Tanta University, Tanta, Egypt
| | - Fathy A Gad
- Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Sarah Omar
- Faculty of Medicine and Health Sciences, Aden University, Aden, Yemen
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Beykaso G, Mulu A, Giday M, Berhe N, Selamu M, Hailu D, Teklehaymanot T. Occult Hepatitis B Virus Infection and Its Risks of Cryptic Transmission in Southern Ethiopia. Infect Drug Resist 2022; 15:619-630. [PMID: 35241914 PMCID: PMC8886027 DOI: 10.2147/idr.s344668] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 02/07/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The detection of hepatitis B virus surface antigen (HBsAg) in serum remains the mainstay in diagnosing and screening of hepatitis B virus (HBV) in most developing countries. The absence of HBsAg in the blood may not indicate the absence of circulating HBV and might be infectious. Thus, this study aimed to estimate the burden and its cryptic transmission risks of occult hepatitis B infection (OBI) among HBsAg negative healthy individuals in Southern Ethiopia. METHODS A community-based cross-sectional study was conducted from September 2020 to January 2021. Serum samples were collected and assayed for HBsAg and HBV core antibody (anti-HBc) seromarkers using enzyme-linked immunosorbent assay (ELISA). In anti-HBc positive samples, HBV DNA was detected using real-time polymerase chain reaction (RT-PCR). Data were entered into Epi-Data version 3.1, cleaned, and analyzed using SPSS version 21.0. Descriptive and logistic regression analyses were employed. Statistical significance was decided at p < 0.05. RESULTS A total of 346 were individuals included in this study; 34 (9.8%) were tested positive for HBsAg. The rest 312 (90.2%) negatively tested were further assayed for anti-HBc, and 115 (36.7%) were found positive implying previous exposure to HBV, and 21 (18.3%) out of 115 anti-HBc positives had HBV DNA signifying OBI. The HBV DNA concentration below 200 IU/mL was 85.7%. A high rate of OBI was observed among individuals who had multiple sexual contacts, a family history of hepatitis, and tattooing. CONCLUSION In this study, the prevalence of OBI is high. This indicates the burden of HBV is considerable since screening is exclusively dependent on HBsAg which will not eliminate the possibility of residual cryptic transmission through blood donation, organ transplantation, perinatal transmission, and other contacts. Our results demonstrate that nucleic acid-based testing (NAT) should be an essential part of screening to prevent missing OBI.
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Affiliation(s)
- Gizachew Beykaso
- Aklilu Lemma Institute of Pathobiology, Department of Molecular Biology and Immunology, Addis Ababa University, Addis Ababa, Ethiopia
- College of Medicine and Health Sciences, Department of Public Health, Wachemo University, Hossana, Ethiopia
| | - Andargachew Mulu
- Armauer Hansen Research Institute, Department of Virology, Addis Ababa, Ethiopia
| | - Mirutse Giday
- Aklilu Lemma Institute of Pathobiology, Department of Molecular Biology and Immunology, Addis Ababa University, Addis Ababa, Ethiopia
| | - Nega Berhe
- Aklilu Lemma Institute of Pathobiology, Department of Molecular Biology and Immunology, Addis Ababa University, Addis Ababa, Ethiopia
| | - Markos Selamu
- College of Medicine and Health Sciences, Department of Public Health, Wachemo University, Hossana, Ethiopia
| | - Dawit Hailu
- Armauer Hansen Research Institute, Department of Virology, Addis Ababa, Ethiopia
| | - Tilahun Teklehaymanot
- Aklilu Lemma Institute of Pathobiology, Department of Molecular Biology and Immunology, Addis Ababa University, Addis Ababa, Ethiopia
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The Matching Status Between Donor and Recipient Hepatitis B Seroepidemiology Makes a Difference in Liver Transplantation for Hepatocellular Carcinoma. Clin Transl Gastroenterol 2021; 11:e00168. [PMID: 32358239 PMCID: PMC7263649 DOI: 10.14309/ctg.0000000000000168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Antibody to hepatitis B core antigen (HBcAb) is known to be related with the prognosis for patients with hepatocellular carcinoma (HCC). This study aims to evaluate the prognostic capacity of HbcAb and other donor/recipient hepatitis B seroepidemiological indexes in transplantation for HCC.
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Ribeiro CRDA, de Almeida NAA, Martinelli KG, Pires MA, Mello CEB, Barros JJ, de Paula VS. Cytokine profile during occult hepatitis B virus infection in chronic hepatitis C patients. Virol J 2021; 18:15. [PMID: 33435966 PMCID: PMC7802259 DOI: 10.1186/s12985-021-01487-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 01/02/2021] [Indexed: 12/19/2022] Open
Abstract
Background The hepatitis B virus (HBV) is one of the leading causes of acute, chronic and occult hepatitis (OBI) representing a serious public health threat. Cytokines are known to be important chemical mediators that regulate the differentiation, proliferation and function of immune cells. Accumulating evidence indicate that the inadequate immune responses are responsible for HBV persistency. The aim of this study were to investigate the cytokines IFN-γ, TNF-α, IL-2, IL-4, IL-6, IL-10 and IL-17A in patients with OBI and verify if there is an association between the levels of these cytokines with the determination of clinical courses during HBV occult infection. Methods 114 patients with chronic hepatitis C were investigated through serological and molecular tests, the OBI coinfected patients were subjected to the test for cytokines using the commercial human CBA kit. As controls, ten healthy donors with no history of liver disease and 10 chronic HBV monoinfected patients of similar age to OBI patients were selected. Results Among 114 HCV patients investigated, 11 individuals had occult hepatitis B. The levels of cytokines were heterogeneous between the groups, most of the cytokines showed higher levels of production detection among OBI/HCV individuals when compared to control group and HBV monoinfected pacients. We found a high level of IL-17A in the HBV monoinfected group, high levels of TNF-α, IL-10, IL-6, IL-4 and IL-2 in OBI/HCV patients. Conclusion These cytokines could be involved in the persistence of HBV DNA in hepatocytes triggers a constant immune response, inducing continuous liver inflammation, which can accelerate liver damage and favor the development of liver cirrhosis in other chronic liver diseases.
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Affiliation(s)
- Camilla Rodrigues de Almeida Ribeiro
- Laboratory of Molecular Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365, Brasil Av., Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil
| | - Nathalia Alves Araújo de Almeida
- Laboratory of Molecular Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365, Brasil Av., Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil
| | | | - Marcia Amendola Pires
- Gaffrée and Guinle Universitary Hospital, Ambulatory of Liver Disease, Rio de Janeiro State Federal University/UniRio, Rio de Janeiro, Brazil
| | - Carlos Eduardo Brandao Mello
- Gaffrée and Guinle Universitary Hospital, Ambulatory of Liver Disease, Rio de Janeiro State Federal University/UniRio, Rio de Janeiro, Brazil
| | - José J Barros
- Laboratory of Molecular Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365, Brasil Av., Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil.
| | - Vanessa Salete de Paula
- Laboratory of Molecular Virology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365, Brasil Av., Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil
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Salpini R, Malagnino V, Piermatteo L, Mulas T, Alkhatib M, Scutari R, Teti E, Cerva C, Yu La Rosa K, Brugneti M, Bertoli A, Rossi B, Holzmayer V, Gersch J, Kuhns M, Cloherty G, Ceccherini-Silberstein F, Perno CF, Iannetta M, Andreoni M, Sarmati L, Svicher V. Cryptic HBV Replicative Activity Is Frequently Revealed in Anti-HBc-Positive/HBsAg-Negative Patients with HIV Infection by Highly Sensitive Molecular Assays, and Can Be Predicted by Integrating Classical and Novel Serological HBV Markers. Microorganisms 2020; 8:microorganisms8111819. [PMID: 33218205 PMCID: PMC7699270 DOI: 10.3390/microorganisms8111819] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/09/2020] [Accepted: 11/17/2020] [Indexed: 12/14/2022] Open
Abstract
The anti-HBc-positive/HBsAg-negative status is frequent in HIV-infection and correlates with poor survival. Here, by highly-sensitive assays, we evaluate cryptic HBV replication and factors correlated with its detection in 81 anti-HBc-positive/HBsAg-negative HIV-infected patients. Patients were treated for >12 months with HBV-active modern combined antiretroviral-therapy (cART) and had serum HBV-DNA < 20 IU/mL by commercial Real-Time PCR. Serum HBV-DNA was quantified by droplet digital PCR, serum HBV-RNA by an Abbott research assay, and anti-HBc titer (proposed to infer intrahepatic cccDNA) by Lumipulse/Fujirebio. Cryptic serum HBV-DNA was detected in 29.6% of patients (median (IQR): 4(1-15) IU/mL) and serum HBV-RNA in 3.7% of patients despite HBsAg-negativity and HBV-active cART. Notably, cryptic serum HBV-DNA correlated with an advanced CDC-stage (p = 0.01) and a lower anti-HBs titer (p = 0.05), while serum HBV-RNA correlated with lower nadir CD4+ cell-count (p = 0.01). By analyzing serological HBV-markers, the combination of anti-HBs < 50 mIU/mL (indicating lower immune response) plus anti-HBc > 15COI (reflecting higher HBV replicative activity) was predictive of cryptic serum HBV-DNA (OR: 4.7(1.1-21.7), p = 0.046, PPV = 62.5%, and NPV = 72%). In conclusion, cryptic HBV-replication (not detected by classical assays) characterizes a conspicuous set of anti-HBc-positive HIV-infected patients despite HBsAg-negativity and HBV-active combined antiretroviral therapy (cART). The integration of classical and novel markers may help identify patients with cryptic HBV-replication, thus optimizing the monitoring of anti-HBc-positive/HBsAg-negative HIV-infected patients.
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Affiliation(s)
- Romina Salpini
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Vincenzo Malagnino
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Lorenzo Piermatteo
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Tiziana Mulas
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Mohammad Alkhatib
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Rossana Scutari
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Elisabetta Teti
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Carlotta Cerva
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Katia Yu La Rosa
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Marta Brugneti
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Ada Bertoli
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Benedetta Rossi
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Vera Holzmayer
- Abbott Molecular, Des Plaines, IL 60018-3315, USA; (V.H.); (J.G.); (M.K.); (G.C.)
| | - Jeffrey Gersch
- Abbott Molecular, Des Plaines, IL 60018-3315, USA; (V.H.); (J.G.); (M.K.); (G.C.)
| | - Mary Kuhns
- Abbott Molecular, Des Plaines, IL 60018-3315, USA; (V.H.); (J.G.); (M.K.); (G.C.)
| | - Gavin Cloherty
- Abbott Molecular, Des Plaines, IL 60018-3315, USA; (V.H.); (J.G.); (M.K.); (G.C.)
| | - Francesca Ceccherini-Silberstein
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
| | - Carlo-Federico Perno
- Microbiology and Immunology Diagnostics, Ospedale Pediatrico Bambino Gesù, 00165 Rome, Italy;
| | - Marco Iannetta
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Massimo Andreoni
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Loredana Sarmati
- Clinic of Infectious Diseases, Tor Vergata University Hospital, 00133 Rome, Italy; (V.M.); (T.M.); (E.T.); (C.C.); (B.R.); (M.I.); (M.A.); (L.S.)
| | - Valentina Svicher
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (R.S.); (L.P.); mohammad-- (M.A.); (R.S.); (K.Y.L.R.); (M.B.); (A.B.); (F.C.-S.)
- Correspondence:
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Kinetics of DNA damage repair response accompanying initial hepadnavirus-host genomic integration in woodchuck hepatitis virus infection of hepatocyte. Cancer Genet 2020; 244:1-10. [PMID: 32062411 DOI: 10.1016/j.cancergen.2020.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/27/2020] [Accepted: 02/04/2020] [Indexed: 12/16/2022]
Abstract
Mechanism of initial hepatitis B virus (HBV) integrations and kinetics of DNA repair immediately after infection remain essentially unknown impairing understanding of hepadnaviral oncogenesis. WCM260 hepatocytes susceptible to HBV-compatible woodchuck hepatitis virus (WHV) were examined from 15 min to 72 h post-infection (p.i.). WHV strongly induced reactive oxygen species (ROS), transiently inducible nitric oxide (iNOS) and DNA damage from 15 min p.i. All initial WHV-host fusions had the head-to-tail format indicating their formation by non-homologous end joining (NHEJ). Transcription of poly(ADP-ribose) polymerase 1 (PARP1) and X-ray repair cross-complementing protein 1 (XRCC1), the PARP1 binding partner, were induced in 30 min p.i. and that of 8-oxyguanine DNA glycosylse (OGG1) responding to oxidative DNA damage at 12 h p.i. Nicotinamide adenine dinucleotide (NAD+), a marker of PARP1 activation, and heme oxygenase-1 (HO1), an indicator of pro-oxidative stress, were significantly augmented from 15-30 min p.i. Additionally, PARP1 cleavage activity was evident from 30 min p.i. confirming that PARP1-mediated DNA repair became operational almost instatly after hepatocyte contact with virus. By applying complementary approaches, the study showed that initial WHV integration was due to virus-induced oxidative DNA damage and implied that the NHEJ PARP1-dependent repair pathway determined format of the first virus-host DNA junctions.
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Yalaki S, Yalçın MS. Kriptojenik sirozlu hastalarda okült hepatit B sıklığı. CUKUROVA MEDICAL JOURNAL 2019. [DOI: 10.17826/cumj.419941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Goyal A, Chauhan R. The dynamics of integration, viral suppression and cell-cell transmission in the development of occult Hepatitis B virus infection. J Theor Biol 2018; 455:269-280. [PMID: 29969598 DOI: 10.1016/j.jtbi.2018.06.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 06/20/2018] [Accepted: 06/25/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND Out of several phases of HBV infection, the least understood phase is occult hepatitis B virus infection. The paucity of data due to non-availability of biological tissues and the prerequisite of ultra-sensitive assays for the detection of occult hepatitis B virus infection prompted us to utilize mathematical modeling in determining mechanisms that lead to occult hepatitis B virus infection and characteristics of HBV infection during occult hepatitis B virus infection. METHODS We proposed two mathematical models (M1 and M2), considering two different phenomenon for episomal maintenance and accumulation of covalently closed circular DNA (cccDNA) in infected hepatocytes: (i) M1 - recirculation of the relaxed circular DNA/double-stranded linear DNA from cytoplasm to the nucleus, and (ii) M2 - reinfection of infected hepatocytes with virions. We further incorporated the dynamics of integrated Hepatitis B virus DNA (iHBV) to investigate its role in the development of occult hepatitis B virus infection. RESULTS The analysis showed that the main mechanism for the spread of infection during occult hepatitis B virus infection is cell-to-cell transmission and not cell-free virus transmission. A significant viral suppression (of at least 99% from its peak production values) was essential but not sufficient in the development of occult hepatitis B virus infection under M1; however under M2, the viral suppression was neither sufficient nor essential as the inhibition of the production of HBsAg without viral suppression can also explain the development of occult hepatitis B virus infection. Our analysis also revealed that occult hepatitis B virus infection seropositive cases are more likely to progress into liver cirrhosis compared to occult hepatitis B virus infection seronegative cases. The iHBV was found to be mostly silent (by either being absent or non-productive for HBsAg) during occult hepatitis B virus infection. CONCLUSION The viral suppression is neither essential nor sufficient to explain the development of occult hepatitis B virus infection on its own. Not only the viral suppression but the inhibition -of the production and the export of HBsAg from cccDNA and iHBV also plays an important role in the development of occult hepatitis B virus infection. This is the first study, which incorporates the dynamics of iHBV and shows that HBV primarily spreads via cell-cell transmission during occult hepatitis B virus infection.
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Affiliation(s)
- Ashish Goyal
- Theoretical Biology and Biophysics, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
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Liao H, Liu Y, Chen J, Ding W, Li X, Xu Z, Yang Y, Chen R, Si L, Xu X, Guo J, Xu D. Characterization of hepatitis B virus (HBV) preS/S gene mutations in blood donors with occult HBV infection in the Baoji area of North China. Transfusion 2017; 57:857-866. [PMID: 28236303 DOI: 10.1111/trf.14046] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 12/21/2016] [Accepted: 12/22/2016] [Indexed: 02/07/2023]
Affiliation(s)
- Hao Liao
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Yan Liu
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Jianhong Chen
- Department of Infectious Diseases; Peking University First Hospital; Beijing China
| | | | - Xiaodong Li
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Zhihui Xu
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Yuan Yang
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Rongjuan Chen
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Lanlan Si
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
| | - Xiaoyuan Xu
- Department of Infectious Diseases; Peking University First Hospital; Beijing China
| | | | - Dongping Xu
- Research Center for Clinical and Translational Medicine/Institute of Infectious Diseases, Beijing 302 Hospital; Beijing China
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11
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Chen J, Liu Y, Zhao J, Xu Z, Chen R, Si L, Lu S, Li X, Wang S, Zhang K, Li J, Han J, Xu D. Characterization of Novel Hepatitis B Virus PreS/S-Gene Mutations in a Patient with Occult Hepatitis B Virus Infection. PLoS One 2016; 11:e0155654. [PMID: 27182775 PMCID: PMC4868315 DOI: 10.1371/journal.pone.0155654] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 05/02/2016] [Indexed: 12/19/2022] Open
Abstract
Objective The impact of hepatitis B virus (HBV) preS/S-gene mutations on occult HBV infection (OBI) is not fully understood. This study characterized multiple novel HBV preS/S-gene mutants obtained from an OBI patient. Methods PreS/S-gene mutants were analyzed by clonal sequencing. Viral replication and expression were analyzed by transfecting HBV genomic recombinants into HepG2 cells. Results Twenty-one preS/S-gene mutants were cloned from four sequential serum samples, including 13 mutants that were not previously documented: (1) sI/T126V+sG145R; (2) preS1 nt 3014−3198 deletion; (3) preS1 nt 3046−3177 deletion; (4) preS1 nt 3046−3177 deletion+s115−116 “INGTST” insertion; (5) preS1 nt 3046−3177 deletion+s115−116 “INGTST” insertion+sG145R; (6) preS1 nt 3115−3123 deletion+sQ129N; (7) preS1 nt 3115−3123 deletion+s126−127 “RPCMNCTI” insertion; (8) s115−116 “INGTST” insertion; (9) s115−116 “INGTST” insertion+sG145R; (10) s126−127 “RPCMNCTI” insertion; (11) preS1 nt 2848−2862 deletion+preS2 initiation codon M→I; (12) s122−123 “KSTGLCK” insertion+sQ129N; and (13) preS2 initiation codon M→I+s131−133TSM→NST. The proportion of preS1 nt 3046−3177 deletion and preS2 initiation codon M→I+s131−133TSM→NST mutants increased in the viral pool with prolonged disease. The 13 novel OBI-related mutants showed a 51.2−99.9% decrease in HBsAg levels compared with that of the wild type. Additional N-glycosylation-associated mutations, sQ129N and s131−133TSM→NST, but not s126−127 “RPCMNCTI,” greatly attenuated anti-HBs binding to HBsAg. Compared with the wild type, replication and surface antigen promoter II activity of the preS1 nt 3046−3177 deletion mutant decreased by 43.3% and 97.0%, respectively. Conclusion PreS/S-gene mutations may play coordinated roles in the presentation of OBI and might be associated with disease progression. This has implications for HBV diagnosis and vaccine improvement.
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Affiliation(s)
- Jianhong Chen
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Yan Liu
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Jun Zhao
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Zhihui Xu
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Rongjuan Chen
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Lanlan Si
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Shanshan Lu
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Xiaodong Li
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Shuai Wang
- Department of liver disease, General Hospital of Beijing Military Region, Beijing 100700, China
| | - Kai Zhang
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Jin Li
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
| | - Juqiang Han
- Department of liver disease, General Hospital of Beijing Military Region, Beijing 100700, China
- * E-mail: (DX); (JH)
| | - Dongping Xu
- Institute of Infectious Diseases/Research Center for Clinical and Translational Medicine, Beijing 302 Hospital, Beijing 100039, China
- * E-mail: (DX); (JH)
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12
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Hashemi SJ, Hajiani E, Masjedizadeh A, Makvandi M, Shayesteh AA, Alavinejad SP, Kadkhodaei A, Shahbazian H, Jasemi F, Karimi M. Occult hepatitis B infection in patients with cryptogenic liver cirrhosis in southwest of iran. Jundishapur J Microbiol 2015; 8:e16873. [PMID: 25861432 PMCID: PMC4386076 DOI: 10.5812/jjm.16873] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 04/30/2014] [Accepted: 05/10/2014] [Indexed: 12/16/2022] Open
Abstract
Background: Chronic hepatitis B virus (HBV) infection has a broad spectrum of manifestation, ranging from silent carrier state to advanced cirrhosis and hepatocellular carcinoma. The persistence of HBV DNA in serum and hepatocytes of the cirrhotic patient could be detected by molecular techniques in spite of negative HBV serologic markers. Objectives: This case-control study was designed to evaluate the prevalence of occult HBV infection (OBI) in patients with cryptogenic liver cirrhosis in comparison with healthy subjects. Patients and Methods: Of 165 patients with liver cirrhosis, 50 consecutive patients with cryptogenic cirrhosis and 80 healthy individual without any risk factors as a control group were enrolled in this study. Their sera were tested for HBV DNA using nested PCR method. Results: Of 50 patients with cryptogenic cirrhotic, 36 (72%) were male. The mean age of patients was 53.34 ± 14.73 years; 80 healthy subjects were selected as control group with mean age of 32.65 ± 8.51 years; 7 (14%) of the patients with cryptogenic cirrhosis showed positive HBV DNA by PCR, while HBV DNA was negative for the control group (P = 0.0001); 4 (57%) cases with positive HBV shown by PCR were negative for anti-HBc and anti-HBs tests. The mean level of transaminases was significantly higher in patients with cirrhosis. There were no significant differences in demographic parameters, transaminases level and degree of hepatic failure among cirrhotic patients with and without OBI. Conclusions: The prevalence of OBI was relatively high in patients with cryptogenic cirrhosis. OBI was found among the patients above 40 years old. Prospective cohort studies are needed to evaluate the clinical significance of OBI.
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Affiliation(s)
- Seyed Jalal Hashemi
- Health Research Institute, Infectious and Tropical Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
- Corresponding author: Seyed Jalal Hashemi, Health Research Institute, Infectious and Tropical Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran. Tel: +98-9161110261, E-mail:
| | - Eskandar Hajiani
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Abdolrahim Masjedizadeh
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Manoochehr Makvandi
- Health Research Institute, Infectious and Tropical Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Ali Akbar Shayesteh
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Seyed Pejman Alavinejad
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Ahmad Kadkhodaei
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Heshmatollah Shahbazian
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Farzad Jasemi
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Mohamad Karimi
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
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