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Cheng H, Ouyang Y, Li C. Impact of IRGM gene promoter polymorphisms on susceptibility to chronic HBV infection. Int J Immunogenet 2024; 51:149-156. [PMID: 38514898 DOI: 10.1111/iji.12661] [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: 12/18/2023] [Revised: 02/03/2024] [Accepted: 02/16/2024] [Indexed: 03/23/2024]
Abstract
The autophagy gene immunity-related GTPase M (IRGM) can affect the immune response against intracellular pathogens. The study was performed to determine any possible association between three IRGM single-nucleotide polymorphisms (SNPs) (rs4958842, rs4958843 and rs4958846) and chronic hepatitis B virus (HBV) infection. A total of 171 chronic HBV-infected individuals and 171 healthy controls were collected. Peripheral blood cells and Sanger sequencing were used to extract genomic DNA and determine the SNP genotypes, respectively. The C allele of rs4958843 is a risk factor for chronic HBV infection in various genetic models, including allelic, codominant and dominant models, with the following respective statistical data: allelic (T vs. C: OR = 1.371, 95% CI = 1.009-1.863, p = .043), codominant (TT vs. CC: OR = 2.137, 95% CI = 1.104-4.138, p = .024) and dominant (TT + TC vs. CC: OR = 1.976, 95% CI = 1.106-3.533, p = .021) models. The genotype and allele distributions of rs4958842 and rs4958846 showed no significant differences between chronic HBV infection patients and healthy controls. IRGM rs4958843 CC genotype carriers had significantly elevated values of alanine transaminase, aspartate transaminase alpha-fetoprotein and total bilirubin (OR = 3.467, 95%CI = 1.167-10.298), which was positively associated with the disease progression of HBV infection. Mutant allele C of IRGM rs4958843 polymorphism is associated with the risk of chronic HBV infection in the Han people in central China and contributes to the disease progression.
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Affiliation(s)
- Hai Cheng
- School of Medicine & Health Sciences, Jingzhou University, Jingzhou, China
| | - Yaoling Ouyang
- Department of Laboratory Medicine, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
| | - Chengbin Li
- Department of Laboratory Medicine, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
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Alqahtani SM, Altharawi A, Alabbas A, Ahmad F, Ayaz H, Nawaz A, Rahman S, Alossaimi MA. System biology approach to identify the novel biomarkers in glioblastoma multiforme tumors by using computational analysis. Front Pharmacol 2024; 15:1364138. [PMID: 38841373 PMCID: PMC11150670 DOI: 10.3389/fphar.2024.1364138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 04/22/2024] [Indexed: 06/07/2024] Open
Abstract
Introduction: The most common primary brain tumor in adults is glioblastoma multiforme (GBM), accounting for 45.2% of all cases. The characteristics of GBM, a highly aggressive brain tumor, include rapid cell division and a propensity for necrosis. Regretfully, the prognosis is extremely poor, with only 5.5% of patients surviving after diagnosis. Methodology: To eradicate these kinds of complicated diseases, significant focus is placed on developing more effective drugs and pinpointing precise pharmacological targets. Finding appropriate biomarkers for drug discovery entails considering a variety of factors, including illness states, gene expression levels, and interactions between proteins. Using statistical techniques like p-values and false discovery rates, we identified differentially expressed genes (DEGs) as the first step in our research for identifying promising biomarkers in GBM. Of the 132 genes, 13 showed upregulation, and only 29 showed unique downregulation. No statistically significant changes in the expression of the remaining genes were observed. Results: Matrix metallopeptidase 9 (MMP9) had the greatest degree in the hub biomarker gene identification, followed by (periostin (POSTN) at 11 and Hes family BHLH transcription factor 5 (HES5) at 9. The significance of the identification of each hub biomarker gene in the initiation and advancement of glioblastoma multiforme was brought to light by the survival analysis. Many of these genes participate in signaling networks and function in extracellular areas, as demonstrated by the enrichment analysis.We also identified the transcription factors and kinases that control proteins in the proteinprotein interactions (PPIs) of the DEGs. Discussion: We discovered drugs connected to every hub biomarker. It is an appealing therapeutic target for inhibiting MMP9 involved in GBM. Molecular docking investigations indicated that the chosen complexes (carmustine, lomustine, marimastat, and temozolomide) had high binding affinities of -6.3, -7.4, -7.7, and -8.7 kcal/mol, respectively, the mean root-mean-square deviation (RMSD) value for the carmustine complex and marimastat complex was 4.2 Å and 4.9 Å, respectively, and the lomustine and temozolomide complex system showed an average RMSD of 1.2 Å and 1.6 Å, respectively. Additionally, high stability in root-mean-square fluctuation (RMSF) analysis was observed with no structural conformational changes among the atomic molecules. Thus, these in silico investigations develop a new way for experimentalists to target lethal diseases in future.
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Affiliation(s)
- Safar M. Alqahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Ali Altharawi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Alhumaidi Alabbas
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | - Faisal Ahmad
- Foundation University Medical College, Foundation University Islamabad, Islamabad, Pakistan
- School of Biology Georgia Institute of Technology, Atlanta, GA, United States
| | - Hassan Ayaz
- Department of Biotechnology, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Asia Nawaz
- Department of Biotechnology, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Sidra Rahman
- Department of Biotechnology, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Manal A. Alossaimi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
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Mentzer AJ, Dilthey AT, Pollard M, Gurdasani D, Karakoc E, Carstensen T, Muhwezi A, Cutland C, Diarra A, da Silva Antunes R, Paul S, Smits G, Wareing S, Kim H, Pomilla C, Chong AY, Brandt DYC, Nielsen R, Neaves S, Timpson N, Crinklaw A, Lindestam Arlehamn CS, Rautanen A, Kizito D, Parks T, Auckland K, Elliott KE, Mills T, Ewer K, Edwards N, Fatumo S, Webb E, Peacock S, Jeffery K, van der Klis FRM, Kaleebu P, Vijayanand P, Peters B, Sette A, Cereb N, Sirima S, Madhi SA, Elliott AM, McVean G, Hill AVS, Sandhu MS. High-resolution African HLA resource uncovers HLA-DRB1 expression effects underlying vaccine response. Nat Med 2024; 30:1384-1394. [PMID: 38740997 PMCID: PMC11108778 DOI: 10.1038/s41591-024-02944-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 03/25/2024] [Indexed: 05/16/2024]
Abstract
How human genetic variation contributes to vaccine effectiveness in infants is unclear, and data are limited on these relationships in populations with African ancestries. We undertook genetic analyses of vaccine antibody responses in infants from Uganda (n = 1391), Burkina Faso (n = 353) and South Africa (n = 755), identifying associations between human leukocyte antigen (HLA) and antibody response for five of eight tested antigens spanning pertussis, diphtheria and hepatitis B vaccines. In addition, through HLA typing 1,702 individuals from 11 populations of African ancestry derived predominantly from the 1000 Genomes Project, we constructed an imputation resource, fine-mapping class II HLA-DR and DQ associations explaining up to 10% of antibody response variance in our infant cohorts. We observed differences in the genetic architecture of pertussis antibody response between the cohorts with African ancestries and an independent cohort with European ancestry, but found no in silico evidence of differences in HLA peptide binding affinity or breadth. Using immune cell expression quantitative trait loci datasets derived from African-ancestry samples from the 1000 Genomes Project, we found evidence of differential HLA-DRB1 expression correlating with inferred protection from pertussis following vaccination. This work suggests that HLA-DRB1 expression may play a role in vaccine response and should be considered alongside peptide selection to improve vaccine design.
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Affiliation(s)
- Alexander J Mentzer
- Centre for Human Genetics, University of Oxford, Oxford, UK.
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, UK.
| | - Alexander T Dilthey
- Centre for Human Genetics, University of Oxford, Oxford, UK
- Institute of Medical Microbiology and Hospital Hygiene, University Hospital of Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- Genome Informatics Section, Computational and Statistical Genomics Branch, National Human Genome Research Institute, Bethesda, MD, USA
| | | | | | | | | | - Allan Muhwezi
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Clare Cutland
- South African Medical Research Council Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand, Johannesburg, South Africa
| | - Amidou Diarra
- Groupe de Recherche Action en Santé (GRAS) 06 BP 10248, Ouagadougou, Burkina Faso
| | | | - Sinu Paul
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Gaby Smits
- National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Susan Wareing
- Microbiology Department, John Radcliffe Hospital, Oxford University NHS Foundation Trust, Oxford, UK
| | | | | | - Amanda Y Chong
- Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Debora Y C Brandt
- Department of Integrative Biology, University of California at Berkeley, California, CA, USA
| | - Rasmus Nielsen
- Department of Integrative Biology, University of California at Berkeley, California, CA, USA
| | - Samuel Neaves
- Avon Longitudinal Study of Parents and Children at University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Nicolas Timpson
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Austin Crinklaw
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA, USA
| | | | - Anna Rautanen
- Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Dennison Kizito
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | - Tom Parks
- Centre for Human Genetics, University of Oxford, Oxford, UK
- Department of Infectious Disease, Imperial College London, London, UK
| | | | - Kate E Elliott
- Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Tara Mills
- Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Katie Ewer
- The Jenner Institute, University of Oxford, Oxford, UK
| | - Nick Edwards
- The Jenner Institute, University of Oxford, Oxford, UK
| | - Segun Fatumo
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
- The Department of Non-communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine London, London, UK
| | - Emily Webb
- MRC International Statistics and Epidemiology Group, London School of Hygiene and Tropical Medicine London, London, UK
| | - Sarah Peacock
- Tissue Typing Laboratory, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Katie Jeffery
- Microbiology Department, John Radcliffe Hospital, Oxford University NHS Foundation Trust, Oxford, UK
- Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | | | - Pontiano Kaleebu
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
| | | | - Bjorn Peters
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA, USA
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Alessandro Sette
- Center for Vaccine Innovation, La Jolla Institute for Immunology, La Jolla, CA, USA
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | | | - Sodiomon Sirima
- Groupe de Recherche Action en Santé (GRAS) 06 BP 10248, Ouagadougou, Burkina Faso
| | - Shabir A Madhi
- South African Medical Research Council Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand, Johannesburg, South Africa
| | - Alison M Elliott
- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene & Tropical Medicine Uganda Research Unit, Entebbe, Uganda
- MRC International Statistics and Epidemiology Group, London School of Hygiene and Tropical Medicine London, London, UK
| | - Gil McVean
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, UK
| | - Adrian V S Hill
- Centre for Human Genetics, University of Oxford, Oxford, UK
- The Jenner Institute, University of Oxford, Oxford, UK
| | - Manjinder S Sandhu
- Department of Epidemiology & Biostatistics, School of Public Health, Imperial College London, London, UK.
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Varghese N, Majeed A, Nyalakonda S, Boortalary T, Halegoua-DeMarzio D, Hann HW. Review of Related Factors for Persistent Risk of Hepatitis B Virus-Associated Hepatocellular Carcinoma. Cancers (Basel) 2024; 16:777. [PMID: 38398168 PMCID: PMC10887172 DOI: 10.3390/cancers16040777] [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: 12/24/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Chronic hepatitis B virus (HBV) infection is the largest global cause of hepatocellular carcinoma (HCC). Current HBV treatment options include pegylated interferon-alpha and nucleos(t)ide analogues (NAs), which have been shown to be effective in reducing HBV DNA levels to become undetectable. However, the literature has shown that some patients have persistent risk of developing HCC. The mechanism in which this occurs has not been fully elucidated. However, it has been discovered that HBV's covalently closed circular DNA (cccDNA) integrates into the critical HCC driver genes in hepatocytes upon initial infection; additionally, these are not targets of current NA therapies. Some studies suggest that HBV undergoes compartmentalization in peripheral blood mononuclear cells that serve as a sanctuary for replication during antiviral therapy. The aim of this review is to expand on how patients with HBV may develop HCC despite years of HBV viral suppression and carry worse prognosis than treatment-naive HBV patients who develop HCC. Furthermore, HCC recurrence after initial surgical or locoregional treatment in this setting may cause carcinogenic cells to behave more aggressively during treatment. Curative novel therapies which target the life cycle of HBV, modulate host immune response, and inhibit HBV RNA translation are being investigated.
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Affiliation(s)
- Nevin Varghese
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA; (N.V.); (A.M.); (S.N.); (T.B.); (D.H.-D.)
| | - Amry Majeed
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA; (N.V.); (A.M.); (S.N.); (T.B.); (D.H.-D.)
| | - Suraj Nyalakonda
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA; (N.V.); (A.M.); (S.N.); (T.B.); (D.H.-D.)
| | - Tina Boortalary
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA; (N.V.); (A.M.); (S.N.); (T.B.); (D.H.-D.)
- Division of Gastroenterology and Hepatology, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA
| | - Dina Halegoua-DeMarzio
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA; (N.V.); (A.M.); (S.N.); (T.B.); (D.H.-D.)
- Division of Gastroenterology and Hepatology, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA
| | - Hie-Won Hann
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA; (N.V.); (A.M.); (S.N.); (T.B.); (D.H.-D.)
- Division of Gastroenterology and Hepatology, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA
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5
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Qiu J, Zhang S, Feng Y, Su X, Cai J, Chen S, Liu J, Huang S, Huang H, Zhu S, Wen H, Li J, Yan H, Diao Z, Liang X, Zeng F. Efficacy and safety of hepatitis B vaccine: an umbrella review of meta-analyses. Expert Rev Vaccines 2024; 23:69-81. [PMID: 38055218 DOI: 10.1080/14760584.2023.2289566] [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: 10/04/2023] [Accepted: 11/27/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND There is a lack of synthesis of literature to determine hepatitis B vaccine (HepB) strategies for hepatitis B virus (HBV) supported by quality evidence. We aimed to explore the efficacy and safety of HepB strategies among people with different characteristics. RESEARCH DESIGN AND METHODS PubMed, Cochrane Library, Embase, and Web of Science were searched for meta-analyses comparing the efficacy and safety of HepB up to July 2023. RESULTS Twenty-one meta-analyses comparing 83 associations were included, with 16 high quality, 4 moderate, and 1 low quality assessed by AMSTAR 2. Highly suggestive evidence supports HepB booster and HepB with 1018 adjuvant (HBsAg-1018) for improved seroprotection, and targeted and universal HepB vaccination reduced HBV infection Suggestive evidence indicated that targeted vaccination decreased the rate of hepatitis B surface antibody positivity and booster doses increased seroprotection in people aged 10-20. Weak evidence suggests potential local/systemic reaction risk with nucleotide analogs or HBsAg-1018. Convincing evidence shows HLA-DPB1*04:01 and DPB1*04:02 increased, while DPB1*05:01 decreased, hepatitis B antibody response. Obesity may reduce HepB seroprotection, as highly suggested. CONCLUSION Targeted vaccination could effectively reduce HBV infection, and adjuvant and booster vaccinations enhance seroprotection without significant reaction. Factors such as obesity and genetic polymorphisms may affect the efficacy.
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Affiliation(s)
- Jiamin Qiu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Shiwen Zhang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Yonghui Feng
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Xin Su
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Jun Cai
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Shiyun Chen
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Jiazi Liu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Shiqi Huang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Haokun Huang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Sui Zhu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Huiyan Wen
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Jiaxin Li
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Haoyu Yan
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Zhiquan Diao
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
| | - Xiaofeng Liang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
- Jinan University-BioKangtai Vaccine Institute, Jinan University, Shenzhen, China
| | - Fangfang Zeng
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, PR China
- Jinan University-BioKangtai Vaccine Institute, Jinan University, Shenzhen, China
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Laupèze B, Vassilev V, Badur S. A role for immune modulation in achieving functional cure for chronic hepatitis B among current changes in the landscape of new treatments. Expert Rev Gastroenterol Hepatol 2023; 17:1135-1147. [PMID: 37847193 DOI: 10.1080/17474124.2023.2268503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 10/05/2023] [Indexed: 10/18/2023]
Abstract
INTRODUCTION Chronic hepatitis B (CHB) is rarely cured using available treatments. Barriers to cure are: 1) persistence of reservoirs of hepatitis B virus (HBV) replication and antigen production (HBV DNA); 2) high burden of viral antigens that promote T cell exhaustion with T cell dysfunction; 3) CHB-induced impairment of immune responses. AREAS COVERED We discuss options for new therapies that could address one or more of the barriers to functional cure, with particular emphasis on the potential role of immunotherapy. EXPERT OPINION/COMMENTARY Ideally, a sterilizing cure for CHB would translate into finite therapies that result in loss of HBV surface antigen and eradication of HBV DNA. Restoration of a functional adaptive immune response, a key facet of successful CHB treatment, remains elusive. Numerous strategies targeting the high viral DNA and antigen burden and aiming to restore the host immune responses will enter clinical development in coming years. Most patients are likely to require combinations of several drugs, personalized according to virologic and disease characteristics, patient preference, accessibility, and affordability. The management of CHB is a global health priority. Expedited drug development requires collaborations between regulatory agencies, scientists, clinicians, and within the industry to facilitate testing of the best drug combinations.
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Dudley MZ, Gerber JE, Budigan Ni H, Blunt M, Holroyd TA, Carleton BC, Poland GA, Salmon DA. Vaccinomics: A scoping review. Vaccine 2023; 41:2357-2367. [PMID: 36803903 PMCID: PMC10065969 DOI: 10.1016/j.vaccine.2023.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 12/24/2022] [Accepted: 02/03/2023] [Indexed: 02/21/2023]
Abstract
BACKGROUND This scoping review summarizes a key aspect of vaccinomics by collating known associations between heterogeneity in human genetics and vaccine immunogenicity and safety. METHODS We searched PubMed for articles in English using terms covering vaccines routinely recommended to the general US population, their effects, and genetics/genomics. Included studies were controlled and demonstrated statistically significant associations with vaccine immunogenicity or safety. Studies of Pandemrix®, an influenza vaccine previously used in Europe, were also included, due to its widely publicized genetically mediated association with narcolepsy. FINDINGS Of the 2,300 articles manually screened, 214 were included for data extraction. Six included articles examined genetic influences on vaccine safety; the rest examined vaccine immunogenicity. Hepatitis B vaccine immunogenicity was reported in 92 articles and associated with 277 genetic determinants across 117 genes. Thirty-three articles identified 291 genetic determinants across 118 genes associated with measles vaccine immunogenicity, 22 articles identified 311 genetic determinants across 110 genes associated with rubella vaccine immunogenicity, and 25 articles identified 48 genetic determinants across 34 genes associated with influenza vaccine immunogenicity. Other vaccines had fewer than 10 studies each identifying genetic determinants of their immunogenicity. Genetic associations were reported with 4 adverse events following influenza vaccination (narcolepsy, GBS, GCA/PMR, high temperature) and 2 adverse events following measles vaccination (fever, febrile seizure). CONCLUSION This scoping review identified numerous genetic associations with vaccine immunogenicity and several genetic associations with vaccine safety. Most associations were only reported in one study. This illustrates both the potential of and need for investment in vaccinomics. Current research in this field is focused on systems and genetic-based studies designed to identify risk signatures for serious vaccine reactions or diminished vaccine immunogenicity. Such research could bolster our ability to develop safer and more effective vaccines.
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Affiliation(s)
- Matthew Z Dudley
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; Institute for Vaccine Safety, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.
| | - Jennifer E Gerber
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; Survey Research Division, RTI International, Washington, DC, USA
| | - Haley Budigan Ni
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; Office of Health Equity, California Department of Public Health, Richmond, CA, USA
| | - Madeleine Blunt
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Taylor A Holroyd
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; International Vaccine Access Center, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Bruce C Carleton
- Division of Translational Therapeutics, Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada; Pharmaceutical Outcomes Programme, BC Children's Hospital, Vancouver, BC, Canada; BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Gregory A Poland
- Division of General Internal Medicine, Mayo Clinic, Rochester, MN, USA; Mayo Vaccine Research Group, Mayo Clinic, Rochester, MN, USA
| | - Daniel A Salmon
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; Institute for Vaccine Safety, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA; Department of Health, Behavior & Society, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
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8
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HBV genotype-dependent association of HLA variants with the serodecline of HBsAg in chronic hepatitis B patients. Sci Rep 2023; 13:359. [PMID: 36611047 PMCID: PMC9825396 DOI: 10.1038/s41598-023-27570-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
Seroclearance of hepatitis B surface antigen (HBsAg) is regarded as the functional cure for chronic hepatitis B (CHB). The relationship between human leukocyte antigen (HLA) variants, hepatitis B virus genotype, and longitudinal HBsAg serodecline remains to be explored. A total of 1735 HBeAg-seronegative CHB patients with genotype B or C infection of the community-based REVEAL-HBV cohort were genotyped for rs1710 (HLA-G) and rs2770 (HLA-B) using TaqMan assay. Cox proportional hazard regression and generalized linear mixed models were used to analyze the association of HLA genetic variants with the rate of HBsAg seroclearance and longitudinal HBsAg serodecline. Rs1710 G allele was differentially associated with the HBsAg seroclearance in genotype B [aRR (95% CI) = 0.74 (0.56-0.98)] and genotype C [aRR (95%CI) = 1.43 (1.08-1.88)] infection. Rs2770 G allele was associated with HBsAg seroclearance only in genotype B infection [aRR (95% CI) = 0.69 (0.52-0.91)]. The alleles associated with HBsAg seroclearance were significant predictors for the serodecline of HBsAg levels in an HBV genotype-dependent manner (genotype B infection: rs1710, P = 0.013; rs2770, P = 0.0081; genotype C infection: rs1710, P = 0.0452). Our results suggest both spontaneous HBsAg seroclearance and serodecline are modified by the interaction between HLA variants and HBV genotype.
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Gao H, Wang X, Ma H, Lin S, Zhang D, Wu W, Liao Z, Chen M, Li Q, Lin M, Li D. METTL16 regulates m6A methylation on chronic hepatitis B associated gene HLA-DPB1 involved in liver fibrosis. Front Genet 2022; 13:996245. [PMID: 36406135 PMCID: PMC9672369 DOI: 10.3389/fgene.2022.996245] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022] Open
Abstract
The role of genetic factors in the occurrence and progression of CHB (CHB) is still not fully explored. In recent years, genome-wide association studies on CHB patients have demonstrated that a large number of CHB-associated single nucleotide polymorphisms exist in the gene intron, which may regulate expression at the transcriptional level. Modification of RNA m6A methylation is one of the key mechanisms regulating gene expression. Here we show that METTL16, an m6A regulator involved in mRNA intron splicing, is differentially expressed in CHB the tissue of patients who has definite diagnosis of mild and severe fibrosis. At the same time, there are also significant differences in the expression of CHB-associated genes such as HLA-DPA1 and HLA-DPB1. The expression of HLA-DPB1 is related to METTL16. Furthermore, analyses of RNA binding of METTL16 and HLA-DPB1 show that the silencing of METTL16 in astrocytes downregulates m6A and expression of HLA-DPB1. In conclusion, METTL16 participates in the progression of CHB fibrosis by regulating the m6A level and expression of HLA-DPB1.
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Affiliation(s)
- Haibing Gao
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
- Fuzong Clinical Medical College of Fujian Medical University, Fujian, China
| | - Xiangmei Wang
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Huaxi Ma
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Shenglong Lin
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Dongqing Zhang
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Wenjun Wu
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Ziyuan Liao
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Mengyun Chen
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
- Fuzong Clinical Medical College of Fujian Medical University, Fujian, China
| | - Qin Li
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
| | - Minghua Lin
- Mengchao Hepatobiliary Hospital of Fujian Medical University, Fujian, China
- *Correspondence: Dongliang Li, ; Minghua Lin,
| | - Dongliang Li
- Fuzong Clinical Medical College of Fujian Medical University, Fujian, China
- 900th Hospital of Joint Logistics Support Forces of the Chinese PLA, Fujian, China
- *Correspondence: Dongliang Li, ; Minghua Lin,
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10
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Yin GQ, Chen KP, Gu XC. Heterogeneity of immune control in chronic hepatitis B virus infection: Clinical implications on immunity with interferon-α treatment and retreatment. World J Gastroenterol 2022; 28:5784-5800. [PMID: 36353205 PMCID: PMC9639659 DOI: 10.3748/wjg.v28.i40.5784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/08/2022] [Accepted: 10/10/2022] [Indexed: 02/06/2023] Open
Abstract
Hepatitis B virus (HBV) infection is a global public health issue. Interferon-α (IFN-α) treatment has been used to treat hepatitis B for over 20 years, but fewer than 5% of Asians receiving IFN-α treatment achieve functional cure. Thus, IFN-α retreatment has been introduced to enhance antiviral function. In recent years, immune-related studies have found that the complex interactions between immune cells and cytokines could modulate immune response networks, in-cluding both innate and adaptive immunity, triggering immune responses that control HBV replication. However, heterogeneity of the immune system to control HBV infection, particularly HBV-specific CD8+ T cell heterogeneity, has consequ-ential effects on T cell-based immunotherapy for treating HBV infection. Altogether, the host’s genetic variants, negative-feedback regulators and HBV components affecting the immune system's ability to control HBV. In this study, we reviewed the literature on potential immune mechanisms affecting the immune control of HBV and the clinical effects of IFN-α treatment and retreatment.
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Affiliation(s)
- Guo-Qing Yin
- Center of Hepatology, Zhong-Da Hospital, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Ke-Ping Chen
- Center of Hepatology, Zhong-Da Hospital, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Xiao-Chun Gu
- Center of Hepatology, Zhong-Da Hospital, Southeast University, Nanjing 210009, Jiangsu Province, China
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11
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Xia S, Ding J, Zhang Z, Li X, Gan J, He X. Cluster of Differentiation 24 Polymorphism Has No Significant Association with Chronic Hepatitis B Virus Infection in the Chinese Han Population: A Family-Based Association Study. Infect Drug Resist 2022; 15:4837-4843. [PMID: 36043159 PMCID: PMC9420416 DOI: 10.2147/idr.s368392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 08/01/2022] [Indexed: 11/23/2022] Open
Abstract
Objective Studies have shown that cluster of differentiation (CD) 24 gene polymorphism is associated with several diseases. Among these, chronic hepatitis B (CHB) infection has not been investigated. This study aimed to assess the function of CD24 in CHB. Methods The study included 478 cases of CHB and 318 cases without CHB from 230 families that underwent genotyping. Polymerase chain reaction-restriction fragment length polymorphism was performed to assess the single nucleotide polymorphism (SNP) P170 of the CD24 gene. The detected genotypes were TT, CT, and CC. Then, family based-association analysis was carried out to investigate the association between CD24 gene polymorphism and susceptibility to CHB. Results In the 478 patients with CHB, the frequencies of CD24 P170 T and C alleles were 35.5% and 64.5%, respectively, and the frequencies of CD24 P170 CC, CT, and TT genotypes were 39.3%, 50.4% and 10.3%, respectively. In a CD24 single-locus analysis by a family-based association test of P170 polymorphisms, T and C were not significantly associated with CHB in the additive (Z = 0.169, P = 0.866; Z = −0.169, P = 0.866, respectively), dominant (Z = 0.522, P = 0.602; Z = 0.428, P = 0.669, respectively), or recessive (Z = −0.428, P = 0.669; Z = −0.522, P = 0.602, respectively) models. Transmission-disequilibrium (TD) and sib-transmission disequilibrium (STD) tests revealed no excess of T or C alleles from heterozygous parents to their children with the disease or higher frequencies of these alleles in patients compared with their normal siblings (χ2 = 0.06, P = 0.897). Conclusion The study findings suggest that the SNP P170 of CD24 has no significant association with susceptibility to the HB virus and related phenotypes in Chinese patients.
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Affiliation(s)
- Shulin Xia
- Department of Infectious Disease, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People's Republic of China.,Department of Infectious Disease, Affiliated Taixing People's Hospital of Yangzhou University, Taixing, People's Republic of China
| | - Jiachen Ding
- Department of Infectious Disease, Affiliated Taixing People's Hospital of Yangzhou University, Taixing, People's Republic of China
| | - Zhenhua Zhang
- Department of Infectious Diseases, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230000, People's Republic of China
| | - Xu Li
- Department of Infectious Diseases, The Second Affiliated Hospital, Anhui Medical University, Hefei, 230000, People's Republic of China
| | - Jianhe Gan
- Department of Infectious Disease, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People's Republic of China
| | - Xiaomin He
- Department of Infectious Disease, Affiliated Taixing People's Hospital of Yangzhou University, Taixing, People's Republic of China
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12
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Hamilton E, Yang L, Mentzer AJ, Guo Y, Chen Y, Lv J, Fletcher R, Wright N, Lin K, Walters R, Kartsonaki C, Yang Y, Burgess S, Sansome S, Li L, Millwood IY, Chen Z. Conventional and genetic risk factors for chronic Hepatitis B virus infection in a community-based study of 0.5 million Chinese adults. Sci Rep 2022; 12:12075. [PMID: 35840665 PMCID: PMC9287541 DOI: 10.1038/s41598-022-16360-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 07/08/2022] [Indexed: 11/30/2022] Open
Abstract
Despite universal vaccination of newborns, the prevalence of chronic hepatitis virus B (HBV) infection and the associated disease burden remain high among adults in China. We investigated risk factors for chronic HBV infection in a community-based study of 512,726 individuals aged 30-79 years recruited from ten diverse areas during 2004-2008. Multivariable logistic regression was used to estimate odds ratios (ORs) of hepatitis B surface antigen (HBsAg) positivity recorded at baseline by sociodemographic and lifestyle factors, and medical history. In a random subset (n = 69,898) we further assessed the association of 18 single nucleotide polymorphisms (SNPs) previously shown to be associated with HBsAg positivity and development of chronic liver disease (CLD) (1600 cases). Several factors showed strong associations with HBsAg positivity, particularly younger age (< 40 vs. ≥ 60 years: OR 1.48, 95% CI 1.32-1.66), male sex (1.40, 1.34-1.46) and urban residency (1.55, 1.47-1.62). Of the 18 SNPs selected, 17 were associated with HBsAg positivity, and 14 with CLD, with SNPs near HLA-DPB1 were most strongly associated with both outcomes. In Chinese adults a range of genetic and non-genetic factors were associated with chronic HBV infection and CLD, which can inform targeted screening to help prevent disease progression.
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Affiliation(s)
- Elizabeth Hamilton
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
| | - Ling Yang
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK.
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
| | | | - Yu Guo
- Chinese Academy of Medical Sciences, Beijing, China
| | - Yiping Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Jun Lv
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing, China
| | | | - Neil Wright
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
| | - Kuang Lin
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
| | - Robin Walters
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Christiana Kartsonaki
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Yingcai Yang
- NCDs Prevention and Control Department, Shinan CDC, Qingdao, Shandong, China
| | - Sushila Burgess
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
| | - Sam Sansome
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
| | - Liming Li
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
- Center for Public Health and Epidemic Preparedness and Response, Peking University, Beijing, China
| | - Iona Y Millwood
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK.
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
| | - Zhengming Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, BDI Building, Old Road Campus, University of Oxford, Oxford, OX3 7LF, UK
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13
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Ashouri S, Khor SS, Hitomi Y, Sawai H, Nishida N, Sugiyama M, Kawai Y, Posuwan N, Tangkijvanich P, Komolmit P, Tsuiji M, Shotelersuk V, Poovorawan Y, Mizokami M, Tokunaga K. Genome-Wide Association Study for Chronic Hepatitis B Infection in the Thai Population. Front Genet 2022; 13:887121. [PMID: 35769989 PMCID: PMC9234442 DOI: 10.3389/fgene.2022.887121] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/16/2022] [Indexed: 11/19/2022] Open
Abstract
To identify novel host genetic variants that predispose to hepatitis B virus (HBV) persistence, we performed the first genome-wide association study in the Thai population involving 318 cases of chronic hepatitis B and 309 healthy controls after quality control measures. We detected the genome-wide significant association of the HLA class II region (HLA-DPA1/DPB1, rs7770370, p-value = 7.71 × 10−10, OR = 0.49) with HBV chronicity. Subsequent HLA allele imputation revealed HLA-DPA1*01:03 (Pc = 1.21 × 10−6, OR = 0.53), HLA-DPB1*02:01 (Pc = 2.17 × 10−3, OR = 0.50), and HLA-DQB1*06:09 (Pc = 2.17 × 10−2, OR = 0.07) as protective alleles, and HLA-DPA1*02:02 (Pc = 6.32 × 10−5, OR = 1.63), HLA-DPB1*05:01 (Pc = 1.13 × 10−4, OR = 1.72), HLA-DPB1*13:01 (Pc = 4.68 × 10−2, OR = 1.60), and HLA-DQB1*03:03 (Pc = 1.11 × 10−3, OR = 1.84) as risk alleles for HBV persistence. We also detected suggestive associations in the PLSCR1 (rs35766154), PDLIM5 (rs62321986), SGPL1 (rs144998273), and MGST1 (rs1828682) loci. Among single-nucleotide polymorphisms in the PLSCR1 locus, rs1061307 was identified as the primary functional variant by in silico/in vitro functional analysis. In addition to replicating the association of the HLA class II region, we detected novel candidate loci that provide new insights into the pathophysiology of chronic hepatitis B.
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Affiliation(s)
- Saeideh Ashouri
- Genome Medical Science Project, National Center for Global Health and Medicine, Toyama, Tokyo,Japan
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- *Correspondence: Saeideh Ashouri, ; Katsushi Tokunaga,
| | - Seik-Soon Khor
- Genome Medical Science Project, National Center for Global Health and Medicine, Toyama, Tokyo,Japan
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yuki Hitomi
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Hiromi Sawai
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Nao Nishida
- Genome Medical Science Project, National Center for Global Health and Medicine, Ichikawa, Chiba, Japan
| | - Masaya Sugiyama
- Genome Medical Science Project, National Center for Global Health and Medicine, Ichikawa, Chiba, Japan
| | - Yosuke Kawai
- Genome Medical Science Project, National Center for Global Health and Medicine, Toyama, Tokyo,Japan
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Nawarat Posuwan
- Chulabhorn International College of Medicine, Thammasat University, Rangsit Campus, Pathum Thani, Thailand
- Center of Excellence in Clinical Virology, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Pisit Tangkijvanich
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Piyawat Komolmit
- Center of Excellence in Liver Diseases, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Liver Fibrosis and Cirrhosis Research Unit, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Makoto Tsuiji
- Department of Microbiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Vorasuk Shotelersuk
- Department of Pediatrics, Center of Excellence for Medical Genomics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Yong Poovorawan
- Center of Excellence in Clinical Virology, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Masashi Mizokami
- Genome Medical Science Project, National Center for Global Health and Medicine, Ichikawa, Chiba, Japan
| | - Katsushi Tokunaga
- Genome Medical Science Project, National Center for Global Health and Medicine, Toyama, Tokyo,Japan
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- *Correspondence: Saeideh Ashouri, ; Katsushi Tokunaga,
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14
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Sharma A, Duseja A, Parkash J, Changotra H. Association of IRGM gene promoter polymorphisms with Hepatitis B Virus infection. J Gene Med 2022; 24:e3433. [PMID: 35661332 DOI: 10.1002/jgm.3433] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/10/2022] [Accepted: 05/17/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In response to intracellular pathogens the autophagy gene IRGM plays an essential role in the innate immune response. Various identified IRGM gene risk loci are associated with several diseases, but so far no study is available which shows the association of IRGM with HBV infection. METHODS We genotyped promoter variants (rs4958842, rs4958843, and rs4958846) of IRGM in HBV infected patients (551) and healthy controls (247) for their role in HBV infection. The genotyping was done applying methods developed in our laboratory and various biochemical parameters were assessed applying commercially available kits. RESULTS Data analysis has shown that the mutant allele A of rs4958842 plays a role in the protection from HBV infection in various genetic models that includes allelic, co-dominant and dominant models with the respective statistical data (OR=0.61; 95%CI=0.48-0.78; p=0.0003), (OR=0.52; 95%CI=0.38-0.71; p=0.0008) and (OR=0.51; 95%CI=0.38-0.70, p=0.0004). In CHB, protective association was observed in allelic (OR=0.48; 95%CI=0.35-0.65, p=0.0004), co-dominant (OR=0.38; 95%CI=0.26-0.54, p=0.0004) and dominant models (OR=0.38; 95%CI=0.26-0.54, p=0.0002). Mutant allele C of rs49598843 was associated with the risk of CHB in co-dominant (OR=1.52; 95%CI=1.07-2.16, p=0.04) and dominant models (OR=1.41; 95%CI=1.00-2.00, p=0.04). The mutant allele C of rs4958846 decreased the risk of HBV infection in allelic (OR=0.74; 95%CI=0.59-0.92, p=0.01), dominant (OR=0.72; 95%CI=0.53-0.98, p=0.05), homozygous (OR=0.42; 95%CI=0.24-0.74, p=0.01) and recessive (OR=0.42; 95%CI=0.24-0.74, p=0.0004) models. However, in asymptomatic group it was associated with the increased chance of HBV infection. Haplotypes, ATT (OR=0.47; 95%CI=0.33-0.68, p=0.001), GTC (OR=0.68; 95%CI=0.51-0.92, p=0.01) protect while GTT (OR=2.01; 95%CI=(1.55-2.60), p<0.0001) predisposes the individuals to HBV infection. All of these p-values mentioned here were obtained after performing Bonferroni correction. CONCLUSION In conclusion, our findings revealed that mutant allele A of rs4958842, mutant allele C of rs4958843 and rs4958846 were associated with hepatitis B virus infection in the North Indian population.
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Affiliation(s)
- Ambika Sharma
- Advanced Pediatric Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, INDIA
| | - Ajay Duseja
- Department of Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh, INDIA
| | - Jyoti Parkash
- Centre for Animal Sciences, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, INDIA
| | - Harish Changotra
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, Punjab, INDIA
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15
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Tandoh KZ, Quaye O. Genetic associations in chronic hepatitis B infection: toward developing polygenic risk scores. Future Microbiol 2022; 17:541-549. [PMID: 35332782 DOI: 10.2217/fmb-2021-0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Chronic hepatitis B (CHB) infection results in multiple clinical phenotypes of varying severity. One of the critical gaps in CHB management is the lack of a genetic-based tool to aid existing hepatocellular carcinoma and cirrhosis risk stratification models for patients with active CHB. Such individual predictive models for CHB are plagued by an inherent limitation of discriminatory power that clearly indicates the need for their improvement. In this article, we highlight genetic association studies in CHB that identified HLA and cytokine genetic susceptibility loci to CHB. We advance the position that translating CHB genetic susceptibility loci into polygenic risk scores will be a welcome addendum to the current arsenal of CHB outcome predictive models. We conclude with comments on hurdles that future research efforts should address within the research enclave of CHB and advocate for increased genetic data representation from sub-Saharan Africa.
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Affiliation(s)
- Kwesi Z Tandoh
- Department of Biochemistry, West African Centre for Cell Biology of Infectious Pathogens (WACCBIP), Cell & Molecular Biology, College of Basic & Applied Sciences, University of Ghana, Accra, Ghana
| | - Osbourne Quaye
- Department of Biochemistry, West African Centre for Cell Biology of Infectious Pathogens (WACCBIP), Cell & Molecular Biology, College of Basic & Applied Sciences, University of Ghana, Accra, Ghana
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16
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Konya P, Demirtürk N. Evaluation of Tenofovir Disoproxil Fumarate Treatment in Patients with Chronic Hepatitis B. INFECTIOUS DISEASES & CLINICAL MICROBIOLOGY 2022; 4:47-54. [PMID: 38633545 PMCID: PMC11022821 DOI: 10.36519/idcm.2022.78] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 02/20/2022] [Indexed: 04/19/2024]
Abstract
Objective The main purpose of chronic hepatitis B (CHB) treatment is to improve the patients' life quality and prevent the disease from progressing to cirrhosis or hepatocellular carcinoma. Continuous suppression of hepatitis B virus (HBV) DNA with nucleoside or nucleotide analogues is the most critical way to achieve this goal. This study aimed to evaluate the CHB patients retrospectively followed up with tenofovir disoproxil fumarate (TDF) treatment. Materials and Methods The study was planned as retrospective research by Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology between January 2001 and December 2020. We evaluated all treatment-naive and treatment-experienced patients who received TDF (245 mg/day) treatment with the diagnosis of CHB. The data were obtained by reviewing the file information registered in the hospital automation system. HBsAg, Anti-HBs, HBeAg, Anti-HBe, HBV DNA, aspartate aminotransferase (AST), alanine aminotransferase (ALT) values of the patients were evaluated at 1st, 3rd, 6th, 12th months, and 6-month follow-ups throughout the treatment. Virological (HBV-DNA of < 50 IU/ml), biochemical (decrease below 40 IU/Ml in patients with pre-treatment value of ALT >40 IU/ml) and serological (Anti-HBe seroconversion in HBeAg positives and HBsAg negative and anti-HBs seroconversion in all patients) responses were examined. Adverse effects were also assessed during the treatment. Results Data from 131 patients who received TDF treatment were evaluated. Virological responses were determined as 78.6%, 81.3%, 94.2%, and 100% in the patients at 24th week, 48th week, 4th year, and 8th year, respectively. While there was no Anti-HBs seroconversion in any patients in four years of the treatment, it was observed at a rate of 10.5% in the eighth year. We did not determine any significant adverse effects requiring discontinuation of the treatment in the long-term follow-up of 131 patients under TDF treatment. Conclusion As a result of our study, TDF was an effective and well-tolerated choice for CHB treatment.
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Affiliation(s)
- Petek Konya
- Department of Infectious Disease and Clinical Microbiology, Afyonkarahisar Health Sciences University School of Medicine, Afyonkarahisar, Turkey
| | - Neşe Demirtürk
- Department of Infectious Disease and Clinical Microbiology, Afyonkarahisar Health Sciences University School of Medicine, Afyonkarahisar, Turkey
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17
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Dondeti MF, Abdelkhalek MS, El-Din Elezawy HM, Alsanie WF, Raafat BM, Gamal-Eldeen AM, Talaat RM. Association between interferon-gamma (IFN-γ) gene polymorphisms (+874A/T and +2109A/G), and susceptibility to hepatitis B viral infection (HBV). J Appl Biomed 2022; 20:37-43. [DOI: 10.32725/jab.2022.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 12/16/2021] [Indexed: 12/11/2022] Open
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18
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Wang L, Li B, Zhao H, Wu P, Wu Q, Chen K, Mu Y. A systematic review and meta-analysis of endocrine-related adverse events associated with interferon. Front Endocrinol (Lausanne) 2022; 13:949003. [PMID: 35992107 PMCID: PMC9388759 DOI: 10.3389/fendo.2022.949003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES To perform a systematic review and meta-analysis of interferon and endocrine side effects, including their incidence, evaluation, and management. METHODS PubMed was searched through March 7th, 2021, by 2 authors independently (LH Wang and H Zhao). Early phase I/II, phase III experimental trials, prospective and retrospective observational studies were included. Stata 16.0 (StataCorp LLC, 16.0) was the main statistical software for meta-analysis. The weighted incidence and risk ratio were estimated for primary thyroid disease and diabetes mellitus. RESULTS A total of 108 studies involving 46265 patients were included. Hypothyroidism was the most common thyroid disorder, followed by hyperthyroidism. IFN α+RBV treated patients experienced hypothyroidism in 7.8% (95%CI, 5.9-9.9), which was higher than IFN α (5.2%; 95%CI, 3.7-6.8) and IFN β (7.0%; 95%CI, 0.06-23.92). IFN α+RBV treated patients experienced hyperthyroidism in 5.0% (95%CI, 3.6-6.5), which was higher than IFN α (3.5%; 95%CI, 2.5-4.8) and IFN β (3.4%; 95%CI, 0.9-7.5). The summary estimated incidence of painless thyroiditis was 5.8% (95%CI, 2.8-9.8) for IFN α, and 3.5% (95%CI,1.9-5.5) for IFN α+RBV. The summary estimated incidence of diabetes was 1.4% (95%CI, 0.3-3.1) for IFN, 0.55% (95%CI, 0.05-1.57) for IFN α, 3.3% (95%CI,1.1-6.6) for IFN α+RBV. CONCLUSIONS Our meta-analysis shows a high incidence of endocrine adverse events provoked by IFN, further reinforced by combined RBV treatment. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/prospero/, identifier CRD42022334131.
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Affiliation(s)
- Linghuan Wang
- Medicine School of Nankai University, Tianjin, China
- Department of Endocrinology, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Binqi Li
- Medicine School of Nankai University, Tianjin, China
- Department of Endocrinology, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - He Zhao
- Medicine School of Nankai University, Tianjin, China
| | - Peixin Wu
- Medicine School of Nankai University, Tianjin, China
| | - Qingzhen Wu
- Medicine School of Nankai University, Tianjin, China
| | - Kang Chen
- Department of Endocrinology, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
- *Correspondence: Kang Chen, ; Yiming Mu,
| | - Yiming Mu
- Medicine School of Nankai University, Tianjin, China
- Department of Endocrinology, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
- *Correspondence: Kang Chen, ; Yiming Mu,
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Xu X, Zhang QY, Chu XY, Quan Y, Lv BM, Zhang HY. Facilitating Antiviral Drug Discovery Using Genetic and Evolutionary Knowledge. Viruses 2021; 13:v13112117. [PMID: 34834924 PMCID: PMC8626054 DOI: 10.3390/v13112117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/19/2021] [Accepted: 10/19/2021] [Indexed: 12/15/2022] Open
Abstract
Over the course of human history, billions of people worldwide have been infected by various viruses. Despite rapid progress in the development of biomedical techniques, it is still a significant challenge to find promising new antiviral targets and drugs. In the past, antiviral drugs mainly targeted viral proteins when they were used as part of treatment strategies. Since the virus mutation rate is much faster than that of the host, such drugs feature drug resistance and narrow-spectrum antiviral problems. Therefore, the targeting of host molecules has gradually become an important area of research for the development of antiviral drugs. In recent years, rapid advances in high-throughput sequencing techniques have enabled numerous genetic studies (such as genome-wide association studies (GWAS), clustered regularly interspersed short palindromic repeats (CRISPR) screening, etc.) for human diseases, providing valuable genetic and evolutionary resources. Furthermore, it has been revealed that successful drug targets exhibit similar genetic and evolutionary features, which are of great value in identifying promising drug targets and discovering new drugs. Considering these developments, in this article the authors propose a host-targeted antiviral drug discovery strategy based on knowledge of genetics and evolution. We first comprehensively summarized the genetic, subcellular location, and evolutionary features of the human genes that have been successfully used as antiviral targets. Next, the summarized features were used to screen novel druggable antiviral targets and to find potential antiviral drugs, in an attempt to promote the discovery of new antiviral drugs.
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Affiliation(s)
| | - Qing-Ye Zhang
- Correspondence: (Q.-Y.Z.); (H.-Y.Z.); Tel.: +86-27-8728-0877 (H.-Y.Z.)
| | | | | | | | - Hong-Yu Zhang
- Correspondence: (Q.-Y.Z.); (H.-Y.Z.); Tel.: +86-27-8728-0877 (H.-Y.Z.)
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Tian A, Li Y, Fan H, Hu P, Xu R, Yuan H, Cai J, Zhang W, Yue M, Li J, Dong C, Zhu C. Association of Elongation Factor Tu GTP-binding Domain-containing 2 Gene (EFTUD2) Polymorphism with the Risk of Hepatitis B Virus Infection. Immunol Invest 2021; 51:1485-1497. [PMID: PMID: 34436958 DOI: 10.1080/08820139.2021.1970763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND The elongation factor Tu GTP-binding domain-containing 2 gene (EFTUD2) participates in antiviral immune responses. However, the association between genetic polymorphisms of EFTUD2 and hepatitis B virus (HBV) infection susceptibility has not been well-studied. We analyzed the relationship between single nucleotide polymorphisms (SNPs) of EFTUD2 and HBV infection susceptibility and clarified the potential function. METHODS In total, 448 control subjects and 379 patients with chronic HBV infection from Zhangjiagang First People's Hospital (Jiangsu, China) were enrolled. Sequenom iPLEX assay was used to detect genotypes of four SNPs (rs1071682, rs2277617, rs2289674, and rs3809756). Dual-luciferase reporter vectors with wild-type A and mutant-type C alleles of EFTUD2 rs3809756 were transfected into HepG2 cells to explore effects on transcription activity. RESULTS Only rs3809756 was significantly associated with HBV infection susceptibility (P < .05). The risk of HBV infection was higher in individuals carrying the rs3809756-CC genotype than in those carrying the rs3809756-AA genotype (odds ratio [OR] = 1.945, 95% confidence interval [CI] = 1.129-3.351, P = .017). Subgroup analysis based on the dominant model revealed that rs3809756-AC and rs3809756-CC carriers had a significantly higher risk of HBV infection than rs3809756-AA carriers among patients who were male (OR = 1.732, 95% CI = 1.218-2.464, P = .002), were aged ≥47 years (OR = 1.502, 95% CI = 1.050-2.148, P = .026), or without liver cirrhosis (OR = 1.407, 95% CI = 1.077-1.838, P = .012). In the dual-luciferase reporter assay, the relative luciferase activity of rs3809756-C was significantly lower than that of rs3809756-A (P < .05). CONCLUSION EFTUD2 rs3809756A>C was associated with HBV infection susceptibility and might be involved in the downregulation of promoter activity.
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Affiliation(s)
- Anran Tian
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yuwen Li
- Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Haozhi Fan
- Department of Information, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Pingping Hu
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ruirui Xu
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hui Yuan
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jinyuan Cai
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wen Zhang
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ming Yue
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jun Li
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chen Dong
- Department of Epidemiology and Statistics, School of Public Health, Jiangsu Key Laboratory and Translational Medicine for Geriatric Disease, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Chuanlong Zhu
- Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of Tropical Diseases, The Second Affiliation Hospital of Hainan Medical University, Haikou, China
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21
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Kulkeaw K, Pengsart W. Progress and Challenges in the Use of a Liver-on-a-Chip for Hepatotropic Infectious Diseases. MICROMACHINES 2021; 12:mi12070842. [PMID: 34357252 PMCID: PMC8306537 DOI: 10.3390/mi12070842] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/13/2021] [Accepted: 07/17/2021] [Indexed: 12/16/2022]
Abstract
The liver is a target organ of life-threatening pathogens and prominently contributes to the variation in drug responses and drug-induced liver injury among patients. Currently available drugs significantly decrease the morbidity and mortality of liver-dwelling pathogens worldwide; however, emerging clinical evidence reveals the importance of host factors in the design of safe and effective therapies for individuals, known as personalized medicine. Given the primary adherence of cells in conventional two-dimensional culture, the use of these one-size-fit-to-all models in preclinical drug development can lead to substantial failures in assessing therapeutic safety and efficacy. Advances in stem cell biology, bioengineering and material sciences allow us to develop a more physiologically relevant model that is capable of recapitulating the human liver. This report reviews the current use of liver-on-a-chip models of hepatotropic infectious diseases in the context of precision medicine including hepatitis virus and malaria parasites, assesses patient-specific responses to antiviral drugs, and designs personalized therapeutic treatments to address the need for a personalized liver-like model. Second, most organs-on-chips lack a monitoring system for cell functions in real time; thus, the review discusses recent advances and challenges in combining liver-on-a-chip technology with biosensors for assessing hepatocyte viability and functions. Prospectively, the biosensor-integrated liver-on-a-chip device would provide novel biological insights that could accelerate the development of novel therapeutic compounds.
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Affiliation(s)
- Kasem Kulkeaw
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Correspondence: ; Tel.: +66-2-419-6468 (ext. 96484)
| | - Worakamol Pengsart
- Faculty of Graduate Studies, Mahidol University, Nakhon Pathom 73170, Thailand;
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22
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Pisano MB, Giadans CG, Flichman DM, Ré VE, Preciado MV, Valva P. Viral hepatitis update: Progress and perspectives. World J Gastroenterol 2021; 27:4018-4044. [PMID: 34326611 PMCID: PMC8311538 DOI: 10.3748/wjg.v27.i26.4018] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/11/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023] Open
Abstract
Viral hepatitis, secondary to infection with hepatitis A, B, C, D, and E viruses, are a major public health problem and an important cause of morbidity and mortality. Despite the huge medical advances achieved in recent years, there are still points of conflict concerning the pathogenesis, immune response, development of new and more effective vaccines, therapies, and treatment. This review focuses on the most important research topics that deal with issues that are currently being solved, those that remain to be solved, and future research directions. For hepatitis A virus we will address epidemiology, molecular surveillance, new susceptible populations as well as environmental and food detections. In the case of hepatitis B virus, we will discuss host factors related to disease, diagnosis, therapy, and vaccine improvement. On hepatitis C virus, we will focus on pathogenesis, immune response, direct action antivirals treatment in the context of solid organ transplantation, issues related to hepatocellular carcinoma development, direct action antivirals resistance due to selection of resistance-associated variants, and vaccination. Regarding hepatitis D virus, we describe diagnostic methodology, pathogenesis, and therapy. Finally, for hepatitis E virus, we will address epidemiology (including new emerging species), diagnosis, clinical aspects, treatment, the development of a vaccine, and environmental surveillance.
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Affiliation(s)
- María B Pisano
- Virology Institute, CONICET, School of Medical Sciences, National University of Córdoba, Cordoba X5016, Argentina
| | - Cecilia G Giadans
- Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP) CONICET-GCBA, Laboratory of Molecular Biology, Pathology Division, Ricardo Gutiérrez Children’s Hospital, CABA C1425, Buenos Aires, Argentina
| | - Diego M Flichman
- Institute of Biomedical Investigations in Retrovirus and AIDS (INBIRS), School of Medicine, University of Buenos Aires, CONICET, CABA C1121ABG, Buenos Aires, Argentina
| | - Viviana E Ré
- Virology Institute, CONICET, School of Medical Sciences, National University of Córdoba, Cordoba X5016, Argentina
| | - María V Preciado
- Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP) CONICET-GCBA, Laboratory of Molecular Biology, Pathology Division, Ricardo Gutiérrez Children’s Hospital, CABA C1425, Buenos Aires, Argentina
| | - Pamela Valva
- Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP) CONICET-GCBA, Laboratory of Molecular Biology, Pathology Division, Ricardo Gutiérrez Children’s Hospital, CABA C1425, Buenos Aires, Argentina
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23
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Shah NJ, Aloysius MM, Sharma NR, Pallav K. Advances in treatment and prevention of hepatitis B. World J Gastrointest Pharmacol Ther 2021. [DOI: 10.4292/wjg.v12.i4.56] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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24
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Shah NJ, Aloysius MM, Sharma NR, Pallav K. Advances in treatment and prevention of hepatitis B. World J Gastrointest Pharmacol Ther 2021; 12:56-78. [PMID: 34316384 PMCID: PMC8290928 DOI: 10.4292/wjgpt.v12.i4.56] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/22/2021] [Accepted: 05/22/2021] [Indexed: 02/06/2023] Open
Abstract
Chronic hepatitis B (CHB) continues to contribute to worldwide morbidity and mortality significantly. Scientists, clinicians, pharmaceutical companies, and health organizations have dedicated substantial Intellectual and monetary resources to finding a cure, increasing immunization rates, and reducing the global burden of CHB. National and international health-related organizations including the center for disease control, the national institute of health, the American Association for the study of liver disease (AASLD), The European association for the study of the Liver (EASL), The Asia Pacific association for the study of the Liver (APASL) and the world health organization release periodic recommendations for disease prevention and treatment. Our review of the most recent guidelines by EASL, AASLD, APASL, and Taiwan Association for the Study of the Liver revealed that an overwhelming majority of cited studies were published before 2018. We reviewed Hepatitis B-related literature published 2018 onwards to identify recent developments and current barriers that will likely direct future efforts towards eradicating hepatitis B. The breakthrough in our understanding of the hepatitis B virus life cycle and resulting drug development is encouraging with significant room for further progress. Data from high-risk populations, most vulnerable to the devastating effects of hepatitis B infection and reactivation remain sparse. Utilization of systems approach, optimization of experimental models, identification and validation of next-generation biomarkers, and precise modulation of the human immune response will be critical for future innovation. Within the foreseeable future, new treatments will likely complement conventional therapies rather than replace them. Most Importantly, pragmatic management of CHB related population health challenges must be prioritized to produce real-world results.
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Affiliation(s)
- Niraj James Shah
- Department of Internal Medicine, Digestive Disease, University of Mississippi Medical Center, Jackson, MS 39216, United States
| | - Mark M Aloysius
- Department of Internal Medicine, The Wright Center for Graduate Medical Education, Scranton, PA 18505, United States
| | - Neil Rohit Sharma
- Department of Internal Medicine, Interventional Oncology and Surgical Endoscopy, Parkview Regional Medical Center, Parkview Cancer Institute, Fort Wayne, IN 46845, United States
| | - Kumar Pallav
- Department of Internal Medicine, Interventional Oncology and Surgical Endoscopy, Parkview Regional Medical Center, Parkview Cancer Institute, Fort Wayne, IN 46845, United States
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25
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Illing PT, van Hateren A, Darley R, Croft NP, Mifsud NA, King S, Kostenko L, Bharadwaj M, McCluskey J, Elliott T, Purcell AW. Kinetics of Abacavir-Induced Remodelling of the Major Histocompatibility Complex Class I Peptide Repertoire. Front Immunol 2021; 12:672737. [PMID: 34093574 PMCID: PMC8170132 DOI: 10.3389/fimmu.2021.672737] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/26/2021] [Indexed: 12/14/2022] Open
Abstract
Abacavir hypersensitivity syndrome can occur in individuals expressing the HLA-B*57:01 major histocompatibility complex class I allotype when utilising the drug abacavir as a part of their anti-retroviral regimen. The drug is known to bind within the HLA-B*57:01 antigen binding cleft, leading to the selection of novel self-peptide ligands, thus provoking life-threatening immune responses. However, the sub-cellular location of abacavir binding and the mechanics of altered peptide selection are not well understood. Here, we probed the impact of abacavir on the assembly of HLA-B*57:01 peptide complexes. We show that whilst abacavir had minimal impact on the maturation or average stability of HLA-B*57:01 molecules, abacavir was able to differentially enhance the formation, selectively decrease the dissociation, and alter tapasin loading dependency of certain HLA-B*57:01-peptide complexes. Our data reveals a spectrum of abacavir mediated effects on the immunopeptidome which reconciles the heterogeneous functional T cell data reported in the literature.
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Affiliation(s)
- Patricia T. Illing
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Andy van Hateren
- Institute for Life Sciences and Centre for Cancer Immunology, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Rachel Darley
- Institute for Life Sciences and Centre for Cancer Immunology, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Nathan P. Croft
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Nicole A. Mifsud
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Samuel King
- Institute for Life Sciences and Centre for Cancer Immunology, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Lyudmila Kostenko
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, VIC, Australia
| | - Mandvi Bharadwaj
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, VIC, Australia
| | - James McCluskey
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, VIC, Australia
| | - Tim Elliott
- Institute for Life Sciences and Centre for Cancer Immunology, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
- Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Anthony W. Purcell
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
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Unique Features of Hepatitis B Virus-Related Hepatocellular Carcinoma in Pathogenesis and Clinical Significance. Cancers (Basel) 2021; 13:cancers13102454. [PMID: 34070067 PMCID: PMC8158142 DOI: 10.3390/cancers13102454] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Hepatitis B virus (HBV) infection is the major risk factor for hepatocellular carcinoma (HCC). Understanding the unique features for HBV-induced HCC can shed new light on the unmet needs in its early diagnosis and effective therapy. During decades of chronic hepatitis B, hepatocytes undergoing repeated damage and regeneration accumulate genetic changes predisposing to HCC development. In addition to traditional mutations in viral and cellular oncogenes, HBV integration into the cell chromosomes is an alternative genetic change contributing to hepatocarcinogenesis. A striking male dominance in HBV-related HCC further highlights an interaction between androgen sex hormone and viral factors, which contributes to the gender difference via stimulating viral replication and activation of oncogenes preferentially in male patients. Meanwhile, a novel circulating tumor biomarker generated by HBV integration shows great potential for the early diagnosis of HCC. These unique HBV-induced hepatocarcinogenic mechanisms provide new insights for the future development of superior diagnosis and treatment strategies. Abstract Hepatitis B virus (HBV) infection is one of the important risk factors for hepatocellular carcinoma (HCC) worldwide, accounting for around 50% of cases. Chronic hepatitis B infection generates an inflammatory microenvironment, in which hepatocytes undergoing repeated cycles of damage and regeneration accumulate genetic mutations predisposing them to cancer. A striking male dominance in HBV-related HCC highlights the influence of sex hormones which interact with viral factors to influence carcinogenesis. HBV is also considered an oncogenic virus since its X and surface mutant proteins showed tumorigenic activity in mouse models. The other unique mechanism is the insertional mutagenesis by integration of HBV genome into hepatocyte chromosomes to activate oncogenes. HCC survival largely depends on tumor stages at diagnosis and effective treatment. However, early diagnosis by the conventional protein biomarkers achieves limited success. A new biomarker, the circulating virus–host chimera DNA from HBV integration sites in HCC, provides a liquid biopsy approach for monitoring the tumor load in the majority of HBV–HCC patients. To maximize the efficacy of new immunotherapies or molecular target therapies, it requires better classification of HCC based on the tumor microenvironment and specific carcinogenic pathways. An in-depth study may benefit both the diagnosis and treatment of HBV-related HCC.
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LCR based quick detection of hotspot G1896A mutation in patients with different spectrum of hepatitis B. J Infect Public Health 2021; 14:651-654. [PMID: 33857724 DOI: 10.1016/j.jiph.2021.01.013] [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: 11/26/2020] [Revised: 01/12/2021] [Accepted: 01/16/2021] [Indexed: 11/24/2022] Open
Abstract
G1896A switch is one of the hotspots in subjects affected with hepatitis B. This hotspot mutation is observed in all the different spectrum of hepatitis B, and it has a very dangerous and a long lasting effect. The major purpose of the study was to screen G1986A mutations at a large scale and also to establish ligase chain reaction as a mutation testing tool. Polymerase chain reaction (PCR) and Nucleotide Sequencing was done to identify the G1896A mutation in the precore region of the genome. All the 331 HBV positive patients were screened. Almost 29% (24/82) of the cases remarkably had the presence of G1896A mutation confirmed by LCR and direct sequencing. The precore G1896A mutation is responsible for one third of the patients suffering from precore stop codon mutation. It clearly exhibits that LCR is 100% in sync with direct sequencing and is extremely reliable and the results are highly reproducible.
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Liver Cirrhosis in Chronic Hepatitis B Patients Is Associated with Genetic Variations in DNA Repair Pathway Genes. Cancers (Basel) 2020; 12:cancers12113295. [PMID: 33171788 PMCID: PMC7694950 DOI: 10.3390/cancers12113295] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 02/06/2023] Open
Abstract
Simple Summary As DNA repair enzymes affect dynamics of liver damage and are involved in HBV viral replication, this study focused on the role of genetic variations within genes representing key DNA-repair pathways in HBV-induced liver cirrhosis. The obtained results have demonstrated that SNPs within XRCC1, ERCC2 genes may confer susceptibility to liver cirrhosis in chronic hepatitis B patients. Abstract Liver cirrhosis (LC), contributing to more than 1 million of deaths annually, is a major healthcare concern worldwide. Hepatitis B virus (HBV) is a major LC etiological factor, and 15% of patients with chronic HBV infection (CHB) develop LC within 5 years. Recently, novel host genetic determinants were shown to influence HBV lifecycle and CHB course. DNA repair enzymes can affect dynamics of liver damage and are involved in HBV covalently closed circular DNA (cccDNA) formation, an essential step for viral replication. This study aimed to evaluate the possible role of genes representing key DNA-repair pathways in HBV-induced liver damage. MALDI-TOF MS genotyping platform was applied to evaluate variations within XRCC1, XRCC4, ERCC2, ERCC5, RAD52, Mre11, and NBN genes. Apart from older age (p < 0.001), female sex (p = 0.021), portal hypertension (p < 0.001), thrombocytopenia (p < 0.001), high HBV DNA (p = 0.001), and high aspartate aminotransferase (AST) (p < 0.001), we found that G allele at rs238406 (ERCC2, p = 0.025), T allele at rs25487 (XRCC1, p = 0.012), rs13181 GG genotype (ERCC2, p = 0.034), and C allele at rs2735383 (NBN, p = 0.042) were also LC risk factors. The multivariate logistic regression model showed that rs25487 CC (p = 0.005) and rs238406 TT (p = 0.027) were independently associated with lower risk of LC. This study provides evidence for the impact of functional and potentially functional variations in key DNA-repair genes XRCC1 and ERCC2 in HBV-induced liver damage in a Caucasian population.
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Unraveling the susceptibility of paracoccidioidomycosis: Insights towards the pathogen-immune interplay and immunogenetics. INFECTION GENETICS AND EVOLUTION 2020; 86:104586. [PMID: 33039601 DOI: 10.1016/j.meegid.2020.104586] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 09/27/2020] [Accepted: 10/05/2020] [Indexed: 02/07/2023]
Abstract
Paracoccidioidomycosis (PCM) is a life-threatening systemic mycosis caused by Paracoccidioides spp. This disease comprises three clinical forms: symptomatic acute and chronic forms (PCM disease) and PCM infection, a latent form without clinical symptoms. PCM disease differs markedly according to severity, clinical manifestations, and host immune response. Fungal virulence factors and adhesion molecules are determinants for entry, latency, immune escape and invasion, and dissemination in the host. Neutrophils and macrophages play a paramount role in first-line defense against the fungus through the recognition of antigens by pattern recognition receptors (PRRs), activating their microbicidal machinery. Furthermore, the clinical outcome of the PCM is strongly associated with the variability of cytokines and immunoglobulins produced by T and B cells. While the mechanisms that mediate susceptibility or resistance to infection are dictated by the immune system, some genetic factors may alter gene expression and its final products and, hence, modulate how the organism responds to infection and injury. This review outlines the main findings relative to this topic, addressing the complexity of the immune response triggered by Paracoccidioides spp. infection from preclinical investigations to studies in humans. Here, we focus on mechanisms of fungal pathogenesis, the patterns of innate and adaptive immunity, and the genetic and molecular basis related to immune response and susceptibility to the development of the PCM and its clinical forms. Immunogenetic features such as HLA system, cytokines/cytokines receptors genes and other immune-related genes, and miRNAs are likewise discussed. Finally, we point out the occurrence of PCM in patients with primary immunodeficiencies and call attention to the research gaps and challenges faced by the PCM field.
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Block P, Shinn B, Roth C, Needleman L, Rosato E, Hann HW. Vagaries of the Host Response in the Development of Hepatitis B-related Hepatocellular Carcinoma: A Case Series. CURRENT CANCER THERAPY REVIEWS 2020. [DOI: 10.2174/1573394716666200129121051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The hepatitis B virus (HBV) is one of the leading causes of hepatocellular carcinoma
(HCC) worldwide. In the endemic region, the infection is commonly spread through vertical
transmission in which mother and child possess genetically identical viral genotypes in the setting
of similar host genomes. Despite these genetic similarities, clinical outcomes from chronic hepatitis
B (CHB) can vary widely, ranging from lifelong asymptomatic infection to terminal HCC. Presented
here are the longitudinal observations over multiple decades of three family clusters, including
monozygotic twins with non-discordant HCC, that demonstrate the heterogeneity of
HBV-related outcomes. These findings emphasize the important need to untangle the role of genetic
and non-genetic host factors in the development of HBV-related HCC, as well as highlight
the novel research avenues that can clarify the contributions of such factors in HBV-related HCC.
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Affiliation(s)
- Peter Block
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
| | - Brianna Shinn
- Department of Medicine, Division of Gastroenterology and Hepatology, Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
| | - Christopher Roth
- Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
| | - Laurence Needleman
- Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
| | - Ernest Rosato
- Department of General Surgery, Thomas Jefferson University Hospital,, Philadelphia, PA 19107, United States
| | - Hie-Won Hann
- Division of Gastroenterology and Hepatology, Liver Disease Prevention Center, Philadelphia, PA 19107, United States
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Duraisamy GS, Bhosale D, Lipenská I, Huvarova I, Růžek D, Windisch MP, Miller AD. Advanced Therapeutics, Vaccinations, and Precision Medicine in the Treatment and Management of Chronic Hepatitis B Viral Infections; Where Are We and Where Are We Going? Viruses 2020; 12:v12090998. [PMID: 32906840 PMCID: PMC7552065 DOI: 10.3390/v12090998] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 08/31/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023] Open
Abstract
The management of chronic hepatitis B virus (CHB) infection is an area of massive unmet clinical need worldwide. In spite of the development of powerful nucleoside/nucleotide analogue (NUC) drugs, and the widespread use of immune stimulators such as interferon-alpha (IFNα) or PEGylated interferon-alpha (PEG-IFNα), substantial improvements in CHB standards of care are still required. We believe that the future for CHB treatment now rests with advanced therapeutics, vaccination, and precision medicine, if all are to bring under control this most resilient of virus infections. In spite of a plethora of active drug treatments, anti-viral vaccinations and diagnostic techniques, the management of CHB infection remains unresolved. The reason for this is the very complexity of the virus replication cycle itself, giving rise to multiple potential targets for therapeutic intervention some of which remain very intractable indeed. Our review is focused on discussing the potential impact that advanced therapeutics, vaccinations and precision medicine could have on the future management of CHB infection. We demonstrate that advanced therapeutic approaches for the treatment of CHB, in the form of gene and immune therapies, together with modern vaccination strategies, are now emerging rapidly to tackle the limitations of current therapeutic approaches to CHB treatment in clinic. In addition, precision medicine approaches are now gathering pace too, starting with personalized medicine. On the basis of this, we argue that the time has now come to accelerate the design and creation of precision therapeutic approaches (PTAs) for CHB treatment that are based on advanced diagnostic tools and nanomedicine, and which could maximize CHB disease detection, treatment, and monitoring in ways that could genuinely eliminate CHB infection altogether.
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Affiliation(s)
- Ganesh Selvaraj Duraisamy
- Veterinary Research Institute, Hudcova 70, CZ-62100 Brno, Czech Republic; (G.S.D.); (D.B.); (I.L.); (I.H.); (D.R.)
| | - Dattatry Bhosale
- Veterinary Research Institute, Hudcova 70, CZ-62100 Brno, Czech Republic; (G.S.D.); (D.B.); (I.L.); (I.H.); (D.R.)
| | - Ivana Lipenská
- Veterinary Research Institute, Hudcova 70, CZ-62100 Brno, Czech Republic; (G.S.D.); (D.B.); (I.L.); (I.H.); (D.R.)
| | - Ivana Huvarova
- Veterinary Research Institute, Hudcova 70, CZ-62100 Brno, Czech Republic; (G.S.D.); (D.B.); (I.L.); (I.H.); (D.R.)
| | - Daniel Růžek
- Veterinary Research Institute, Hudcova 70, CZ-62100 Brno, Czech Republic; (G.S.D.); (D.B.); (I.L.); (I.H.); (D.R.)
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, CZ-37005 České Budějovice, Czech Republic
| | - Marc P. Windisch
- Applied Molecular Virology Laboratory, Institut Pasteur Korea, 696 Sampyeong-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 463-400, Korea;
- Division of Bio-Medical Science and Technology, University of Science and Technology, Daejeon 305-350, Korea
| | - Andrew D. Miller
- Veterinary Research Institute, Hudcova 70, CZ-62100 Brno, Czech Republic; (G.S.D.); (D.B.); (I.L.); (I.H.); (D.R.)
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemědělská 1, Černá Pole, CZ-61300 Brno, Czech Republic
- KP Therapeutics (Europe) s.r.o., Purkyňova 649/127, CZ-61200 Brno, Czech Republic
- Correspondence:
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Huang YH, Liao SF, Khor SS, Lin YJ, Chen HY, Chang YH, Huang YH, Lu SN, Lee HW, Ko WY, Huang C, Liu PC, Chen YJ, Wu PF, Chu HW, Wu PE, Tokunaga K, Shen CY, Lee MH. Large-scale genome-wide association study identifies HLA class II variants associated with chronic HBV infection: a study from Taiwan Biobank. Aliment Pharmacol Ther 2020; 52:682-691. [PMID: 32573827 DOI: 10.1111/apt.15887] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/07/2020] [Accepted: 05/25/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Chronic hepatitis B virus (HBV) infection is a great health burden with geographical variations. AIMS To explore genetic variants associated with chronic HBV infection. METHODS The study included 15 352 participants seropositive for HBV core antibodies in Taiwan Biobank. Among them, 2591 (16.9%) seropositive for HBV surface antigen (HBsAg) were defined as having chronic HBV infection. All participants were examined for whole-genome genotyping by Axiom-Taiwan Biobank Array. The human leucocyte antigen (HLA) imputation was performed after identification of the variants within the region. Logistic regressions were used to estimate odds ratios (ORs) with 95% confidence intervals. Correlations of different HLA allele frequencies with HBsAg seroprevalence were evaluated across worldwide populations by Pearson correlation coefficients. Epitope prediction was performed for HLA alleles using NetMHCIIpan method. RESULTS Located within a cluster of 450 single nucleotide polymorphisms in HLA class II, rs7770370 (P = 2.73 × 10-35 ) was significantly associated with HBV chronicity (Pcorrected < 8.6 × 10-8 ). Imputation analyses showed that HLA-DPA1*02:02 and HLA-DPB1*05:01 were associated with chronic HBV, with adjusted ORs of 1.43 (1.09-1.89) and 1.61 (1.29-2.01). These allele frequencies were positively correlated with global HBsAg seroprevalence, with R of 0.75 and 0.62 respectively (P < 0.05). HLA-DRB1*13:02, HLA-DQA1* 01:02 and HLA-DQB1*06:09 associated with HBV chronicity negatively, with adjusted ORs of 0.31 (0.17-0.58), 0.70 (0.56-0.87) and 0.33 (0.18-0.63). These HLA alleles had various binding affinities to the predicted epitopes derived from HBV nucleocapsid protein. CONCLUSIONS HLA class II variants are relevant for chronicity after HBV acquisition.
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Grzegorzewska AE, Świderska MK, Marcinkowski W, Mostowska A, Jagodziński PP. Polymorphism rs368234815 of interferon-λ4 gene and generation of antibodies to hepatitis B virus surface antigen in extracorporeal dialysis patients. Expert Rev Vaccines 2020; 19:293-303. [PMID: 32228249 DOI: 10.1080/14760584.2020.1745637] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background: The rs368234815 polymorphism of interferon-λ4 (IFN-λ4) gene (IFNL4) is involved in HBV surface antigen (HBsAg) clearance in non-uremic subjects. The rs368234815 ΔG/ΔG genotype can express IFN-λ4 while the TT/TT genotype cannot. We investigated whether rs368234815 is associated with the development of HBsAg antibodies (anti-HBs) in response to vaccination or infection, and HBsAg loss after infection in uremic patients on extracorporeal dialysis.Research design and methods: Dialyzed patients (n = 467) were genotyped for rs368234815 by the polymerase chain reaction-restriction fragment length polymorphism method. Non-responders to HBV vaccination we compared with responders. HBsAg positive patients not able to develop anti-HBs we compared with individuals who eliminated HBsAg and generated anti-HBs. HBsAg positive patients we compared with subjects who eliminated HBsAg.Results: The ∆G allele was associated with the 1.6-fold higher risk not to develop anti-HBs titers ≥10 IU/L in response to HBV vaccination and infection (P = 0.016 adjusted for gender, age at dialysis onset, HCV RNA). The ∆G/∆G genotype indicated a higher probability of non-responsiveness to HBV vaccination than the TT/TT genotype (OR 2.64, 95%CI 1.01-6.87, adjusted P = 0.048).Conclusions: In extracorporeal dialysis patients, IFNL4 rs368234815 is associated with the capacity to produce protective anti-HBs titers in response to HBV vaccination.
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Affiliation(s)
- Alicja E Grzegorzewska
- Department of Nephrology, Transplantology and Internal Diseases, Poznan University of Medical Sciences, Poznań, Poland
| | - Monika K Świderska
- Department of Nephrology, Transplantology and Internal Diseases, Poznan University of Medical Sciences, Poznań, Poland
| | | | - Adrianna Mostowska
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, Poznań, Poland
| | - Paweł P Jagodziński
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, Poznań, Poland
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Trinks J, Marciano S, Esposito I, Franco A, Mascardi MF, Mendizabal M, Livellara B, Arrigo D, Calzetta P, Vujacich C, Giunta D, Gadano A, Flichman D. The genetic variability of hepatitis B virus subgenotype F1b precore/core gene is related to the outcome of the acute infection. Virus Res 2019; 277:197840. [PMID: 31846615 DOI: 10.1016/j.virusres.2019.197840] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 12/03/2019] [Accepted: 12/13/2019] [Indexed: 02/07/2023]
Abstract
AIM To assess the association of viral and host genetic variability with the outcome of acute infection with hepatitis B virus subgenotype F1b (HBV/F1b). METHODS The cohort consisted of 26 patients with acute HBV/F1b infection who exhibit different outcomes: spontaneous resolution (n = 10), progression to chronic hepatitis (n = 10) and acute liver failure (n = 6). HLA SNPs (rs3077, rs9277542, rs2856718 and rs7453920) were determined. The S gene and core promoter/precore/core region were direct sequenced, and this latter region was also ultra-deep sequenced. Mean number of mutations, mutation rate, Shannon entropy, positive selection sites and mutational patterns of quasispecies were compared between groups. RESULTS HLA SNPs were associated with spontaneous resolution or progression to chronic hepatitis, but not with the development of acute liver failure. The mean number of mutations in the S gene was similar among the three groups. Patients with spontaneous resolution had the lowest number of mutations, mutation rates and Shannon entropy values in the precore/core compared to the other two groups. Ten positive selection sites mapped on HLA-restricted epitopes were related to progression to chronic hepatitis and acute liver failure. Mutations T1753C, A1762T, G1764A, C1766T, T1768A G1896A, G2092T and T2107C were associated with acute liver failure and progression to chronic hepatitis. CONCLUSION Highly heterogeneous and complex HBV precore/core carrying specific point mutations, combined with the host HLA background, were associated with a worse clinical outcome of acute HBV/F1b infection.
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Affiliation(s)
- Julieta Trinks
- Instituto de Medicina Traslacional e Ingeniería Biomédica (IMTIB) - CONICET - Instituto Universitario del Hospital Italiano (IUHI) - Hospital Italiano (HIBA), Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
| | - Sebastián Marciano
- Sección de Hepatología, Servicio de Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Departamento de Investigación, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Isabella Esposito
- Instituto de Medicina Traslacional e Ingeniería Biomédica (IMTIB) - CONICET - Instituto Universitario del Hospital Italiano (IUHI) - Hospital Italiano (HIBA), Buenos Aires, Argentina
| | - Alejandra Franco
- Instituto de Medicina Traslacional e Ingeniería Biomédica (IMTIB) - CONICET - Instituto Universitario del Hospital Italiano (IUHI) - Hospital Italiano (HIBA), Buenos Aires, Argentina
| | - Maria Florencia Mascardi
- Instituto de Medicina Traslacional e Ingeniería Biomédica (IMTIB) - CONICET - Instituto Universitario del Hospital Italiano (IUHI) - Hospital Italiano (HIBA), Buenos Aires, Argentina
| | - Manuel Mendizabal
- Unidad de Hígado y Trasplante Hepático, Hospital Universitario Austral, Buenos Aires, Argentina
| | - Beatriz Livellara
- Laboratorio Central, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Diego Arrigo
- Laboratorio Central, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Pablo Calzetta
- División de Gastroenterología, Hospital Juan A. Fernández, Buenos Aires, Argentina
| | - Claudia Vujacich
- Fundación Centro de Estudios Infectológicos (FUNCEI), Buenos Aires, Argentina
| | - Diego Giunta
- Departamento de Investigación, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Área de Investigación de Medicina Interna, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Adrián Gadano
- Instituto de Medicina Traslacional e Ingeniería Biomédica (IMTIB) - CONICET - Instituto Universitario del Hospital Italiano (IUHI) - Hospital Italiano (HIBA), Buenos Aires, Argentina; Sección de Hepatología, Servicio de Clínica Médica, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Departamento de Investigación, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Diego Flichman
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina; Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
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35
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Immunopathogenesis of HBV Infection. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1179:71-107. [DOI: 10.1007/978-981-13-9151-4_4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Di Bona D, Pandey JP, Aiello A, Bilancia M, Candore G, Caruso C, Colomba C, Duro G, Ligotti ME, Macchia L, Rizzo S, Accardi G. The immunoglobulin γ marker 17 allotype and KIR/HLA genes prevent the development of chronic hepatitis B in humans. Immunology 2019; 159:178-182. [PMID: 31613998 DOI: 10.1111/imm.13133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/18/2019] [Accepted: 10/09/2019] [Indexed: 01/02/2023] Open
Abstract
Hepatitis B virus (HBV) infection causes a self-limiting disease in most individuals. However, < 10% of infected subjects develop a chronic disease. Genetic host variability of polymorphic genes at the interface of innate and acquired immunity, such as killer immunoglobulin-like receptors (KIR), their human leucocyte antigen (HLA) and IgG allotypes (GM), could explain this different clinical picture. We previously showed a protective role of the KIR2DL3 gene for the development of chronic hepatitis B (CHB), and a detrimental role of the KIR ligand groups, HLA-A-Bw4 and HLA-C2. We have expanded the previous analysis genotyping patients for GM23 and GM3/17 allotypes. The comparison of the patients with CHB with those who resolved HBV infection showed that the presence of GM17 allele virtually eliminated the risk of developing CHB (OR, 0·03; 95% CI, 0·004-0·16; P < 0·0001). In addition, the combination of GM17, KIR2DL3, HLA-A-Bw4 and HLA-C2 was highly sensitive to predict the outcome of HBV infection.
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Affiliation(s)
- Danilo Di Bona
- Dipartimento dell'Emergenza e dei Trapianti d'Organo, Università di Bari Aldo Moro, Bari, Italy
| | - Janardan P Pandey
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
| | - Anna Aiello
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Massimo Bilancia
- Dipartmento Jonico in Sistemi Giuridici ed Economici del Mediterraneo: società, ambiente, culture, Università di Bari Aldo Moro, Bari, Italy
| | - Giuseppina Candore
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Calogero Caruso
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Claudia Colomba
- Dipartimento di Scienze per la Promozione della Salute e Materno-Infantile 'G. D'Alessandro', Università di Palermo, Palermo, Italy
| | - Giovanni Duro
- Istituto di Biomedicina ed Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - Mattia Emanuela Ligotti
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Luigi Macchia
- Dipartimento dell'Emergenza e dei Trapianti d'Organo, Università di Bari Aldo Moro, Bari, Italy
| | - Sergio Rizzo
- Unità Operativa di Medicina Trasfusionale, AOUP, Palermo, Italy
| | - Giulia Accardi
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
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Zhang Z, Wang C, Liu Z, Zou G, Li J, Lu M. Host Genetic Determinants of Hepatitis B Virus Infection. Front Genet 2019; 10:696. [PMID: 31475028 PMCID: PMC6702792 DOI: 10.3389/fgene.2019.00696] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 07/03/2019] [Indexed: 12/14/2022] Open
Abstract
Chronic hepatitis B virus (HBV) infection is still a major health problem worldwide. Recently, a great number of genetic studies based on single nucleotide polymorphisms (SNPs) and genome-wide association studies have been performed to search for host determinants of the development of chronic HBV infection, clinical outcomes, therapeutic efficacy, and responses to hepatitis B vaccines, with a focus on human leukocyte antigens (HLA), cytokine genes, and toll-like receptors. In addition to SNPs, gene insertions/deletions and copy number variants are associated with infection. However, conflicting results have been obtained. In the present review, we summarize the current state of research on host genetic factors and chronic HBV infection, its clinical type, therapies, and hepatitis B vaccine responses and classify published results according to their reliability. The potential roles of host genetic determinants of chronic HBV infection identified in these studies and their clinical significance are discussed. In particular, HLAs were relevant for HBV infection and pathogenesis. Finally, we highlight the need for additional studies with large sample sizes, well-matched study designs, appropriate statistical methods, and validation in multiple populations to improve the treatment of HBV infection.
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Affiliation(s)
- Zhenhua Zhang
- Department of Infectious Diseases, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
- College of Pharmacy, Anhui Medical University, Hefei, China
| | - Changtai Wang
- Department of Infectious Diseases, the Affiliated Anqing Hospital of Anhui Medical University, Anqing, China
| | - Zhongping Liu
- Department of Infectious Diseases, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Guizhou Zou
- Department of Infectious Diseases, the Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jun Li
- College of Pharmacy, Anhui Medical University, Hefei, China
| | - Mengji Lu
- Institute of Virology, University Hospital of Duisburg-Essen, Essen, Germany
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Al-Sadeq DW, Taleb SA, Zaied RE, Fahad SM, Smatti MK, Rizeq BR, Al Thani AA, Yassine HM, Nasrallah GK. Hepatitis B Virus Molecular Epidemiology, Host-Virus Interaction, Coinfection, and Laboratory Diagnosis in the MENA Region: An Update. Pathogens 2019; 8:pathogens8020063. [PMID: 31083509 PMCID: PMC6630671 DOI: 10.3390/pathogens8020063] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 04/18/2019] [Accepted: 05/08/2019] [Indexed: 02/07/2023] Open
Abstract
Hepatitis B virus (HBV) is an enveloped partial double-stranded DNA virus that can cause acute and chronic hepatitis. According to the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC), 257 million people are living with HBV. Moreover, 20,900 acute hepatitis B cases were reported in 2016. Hepatitis B is highly prevalent in the African, Western Pacific, Eastern Mediterranean, South-East Asia, and European regions, respectively. Due to the high mutational rate of HBV and lack of reverse transcriptase proofreading activity, ten different genotypes with different geographical distributions have been identified. HBV pathogenesis and severity of infection depend on several host and viral factors, particularly, the genetic variability of both the host and virus. Although HBV infection is a global health concern, there is a lack of adequate studies and reports in the Middle East and North Africa (MENA) region. Here, we provide a review on HBV epidemiology, pathogenesis, host-pathogen interactions, coinfection with selected viruses, and laboratory diagnosis, focusing on studies conducted in the MENA region to determine the current situation of the HBV infection and outline the future study areas.
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Affiliation(s)
- Duaa W Al-Sadeq
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
- Biomedical Science Department, College of Health Sciences, Qatar University, Doha 2713, Qatar.
| | - Sara A Taleb
- Biomedical Science Department, College of Health Sciences, Qatar University, Doha 2713, Qatar.
| | - Roan E Zaied
- Biomedical Science Department, College of Health Sciences, Qatar University, Doha 2713, Qatar.
| | - Sara M Fahad
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
| | - Maria K Smatti
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
| | - Balsam R Rizeq
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
- Department of Biological and Environmental Sciences, College of Arts & Sciences, Qatar University, Doha 2713, Qatar.
| | - Asmaa A Al Thani
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
- Biomedical Science Department, College of Health Sciences, Qatar University, Doha 2713, Qatar.
| | - Hadi M Yassine
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
| | - Gheyath K Nasrallah
- Biomedical Research Center, Qatar University, Doha 2713, Qatar.
- Biomedical Science Department, College of Health Sciences, Qatar University, Doha 2713, Qatar.
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Liu K, Chen L, Zhao G, Cao Z, Li F, Lin L, Zhu C, Xie Q, Xu Y, Bao S, Wang H. IPS-1 polymorphisms in regulating interferon response in HBV infection. Biosci Trends 2019; 13:130-135. [PMID: 30930359 DOI: 10.5582/bst.2018.01304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Single nucleotide polymorphisms (SNP) influence the outcome of antiviral therapy in chronic hepatitis B patients. Interferon β promoter stimulator 1 polymorphisms (IPS-1) regulate interferon (IFN) mediated viral clearance in hepatitis B virus (HBV) infection. In our study, HepG2 and HepG2.2.15 were transfected with different SNP genotype expression vectors of IPS-1 (wild-type, rs17857295, rs7262903 and rs7269320). The production of IPS-1 and IFN were evaluated in these transfected cells. IPS-1 in the HepG2.2.15 cells transfected with rs17857295 or rs7262903 was 37% or 31% lower than that with wild-type transfection (p < 0.001). IFN-β in rs17857295 or rs7262903 transfected HepG2.2.15 cells was 5.4 or 3.7 fold higher than that of wild-type transfection (p < 0.0001). IPS-1 in rs7269320 SNP transfected HepG2.2.15 cells was 40% lower than that of wild-type transfection (p < 0.0001); no significantly different IFN-β was observed between rs7269320 SNP and wild-type transfections. IFN-β expression was > 2 fold higher in rs17857295 transfected HepG2.2.15 cells than HepG2 cells (p < 0.001). The data suggests that host HBV viral clearance is stronger in IPS-1 rs17857295 or rs7262903 SNP genotype patients than wild-type patients. Relatively weak inducible IFN-β production in HBV infected patients with IPS-1 rs7269320 SNP or wild-type may contribute to chronic virus infection.
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Affiliation(s)
- Kehui Liu
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine.,Department of Infectious Diseases, Rui Jin Hospital North, Shanghai Jiao Tong University School of Medicine
| | - Liwen Chen
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
| | - Gangde Zhao
- Department of Infectious Diseases, Rui Jin Hospital North, Shanghai Jiao Tong University School of Medicine
| | - Zhujun Cao
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
| | - Fengdi Li
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
| | - Lanyi Lin
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
| | - Chuanwu Zhu
- Department of infectious Diseases, The Fifth People's Hospital of Suzhou, The Affiliated Infectious Diseases of Soochou University
| | - Qing Xie
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
| | - Yumin Xu
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
| | - Shisan Bao
- Discipline of Pathology, School of Medical Sciences and The Bosch Institute, The University of Sydney
| | - Hui Wang
- Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine
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V H1-69 antiviral broadly neutralizing antibodies: genetics, structures, and relevance to rational vaccine design. Curr Opin Virol 2019; 34:149-159. [PMID: 30884330 DOI: 10.1016/j.coviro.2019.02.004] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 02/07/2019] [Indexed: 12/15/2022]
Abstract
Broadly neutralizing antibodies (bnAbs) are potential therapeutic molecules and valuable tools for studying conserved viral targets for vaccine and drug design. Interestingly, antibody responses to conserved epitopes can be highly convergent at the molecular level. Human antibodies targeting a number of viral antigens have often been found to utilize a restricted set of immunoglobulin germline genes in different individuals. Here we review recent knowledge on VH1-69-encoded antibodies in antiviral responses to influenza virus, HCV, and HIV-1. These antibodies share common genetic and structural features, and often develop neutralizing activity against a broad spectrum of viral strains. Understanding the genetic and structural characteristics of such antibodies and the target epitopes should help advance novel strategies to elicit bnAbs through vaccination.
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Apidechkul T. Seroprevalence and factors associated with hepatitis B virus infection among the hill tribe youths, northern Thailand. BMC Infect Dis 2019; 19:125. [PMID: 30727952 PMCID: PMC6366101 DOI: 10.1186/s12879-019-3747-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/28/2019] [Indexed: 12/13/2022] Open
Abstract
Background Hepatitis B virus (HBV) infection is a major viral infection, particularly in people living in the Western Pacific region, including the hill tribe people living in northern Thailand. This study aimed to estimate the prevalence of HBV infection and to detect the factors associated with HBV infection among hill tribe youths in Thailand. Methods A cross-sectional study was conducted to estimate the prevalence and determine the factors associated with HBV infection among hill tribe youths living in northern Thailand. A validated questionnaire and 5 mL blood sample were used for data collection. The Wondfo Diagnostic Kit®, the Wondfo One Step HBsAg Serum/Plasma Test®, and the Wondfo One Step HBsAg Serum/Plasma Test® were used for anti-HBsAg, HBsAg, and total anti-HBc detections, respectively. Logistic regression was used to detect associations between variables with an α = 0.05 significance level. Results A total of 836 participants were included in the study; 62.7% were female, 58.9% were aged 15–17 years, 58.7% were Buddhist, 78.4% graduated high school, and 89.1% had no income. The majority were Akha (30.0%), Yao (16.3%), and Hmong (15.8%); 13.2% smoked, 21.5% used alcohol, 13.3% had tattoos, 3.9% experienced drug injection from illegal practitioners, and 35.7% had no history of HBV immunization. The prevalence of HBsAg was 3.0%; anti-HBs, 10.2%; and total anti-HBc, 8.1%. In the multivariate analysis, four variables were found to be significantly associated with HBV infection among the hill tribe youths: age, tribe, work experience, and number of partners. Those aged 18–20 years and 21–24 years had 2.13 times (95%CI = 1.35–3.29) and 2.39 times (95%CI = 1.05–3.90) greater odds of HBV infection, respectively, than those aged 15–17 years. Akha, Lahu, and Hmong youths had 3.12 times (95%CI = 1.07–9.12), 3.71 times (95%CI = 1.21–11.41), and 3.84 times (95%CI = 1.26–11.69) greater odds of HBV infection, respectively, than Lisu youths. Those who had experience working outside of the village had a 1.77 times (95%CI = 1.18–2.98) greater chance of HBV infection than those who did not have experience working outside of the village, and those who had ≥2 partners had a 2.66 times (95%CI = 1.96–3.87) greater chance of HBV infection than those who had no partner. Conclusions Effective HBV prevention programs should be promoted in Akha, Lahu, and Hmong youth populations, particularly to those who have sexual partners, work outside of the village and are aged 18–24 years.
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Affiliation(s)
- Tawatchai Apidechkul
- Center of Excellence for the Hill tribe Health Research, Mae Fah Laung University, 333 Mo.1 Tasud Subdistrict, Muang District, Chiang Rai Province, 57100, Thailand. .,School of Health Science, Mae Fah Luang University, Chiang Rai, Thailand.
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