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Al-Toukhy GM, Suef RA, Hassan S, Farag MMS, El-Tayeb TA, Mansour MTM. Photobiological modulation of hepatoma cell lines and hepatitis B subviral particles secretion in response to 650 nm low level laser treatment. J Egypt Natl Canc Inst 2023; 35:33. [PMID: 37870653 DOI: 10.1186/s43046-023-00190-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 09/06/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND Chronic hepatitis B virus (HBV) infection is a serious global health concern, with an increased incidence and risk of developing cirrhosis and hepatocellular carcinoma (HCC). Patients chronically infected with HBV are likely to experience chronic oxidative stress, leading to mitochondrial dysfunction. Photobiomodulation is induced by the absorption of low-level laser therapy (LLLT) with a red or infrared laser by cytochrome C oxidase enzyme, resulting in mitochondrial photoactivation. Although it is widely used in clinical practice, the use of LLL as adjuvant therapy for persistent HBV infection is uncommon. This study aimed to investigate the effect of LLLT dosage from 2 J/cm2 to 10 J/cm2 of red diode laser (650 nm) on both hepatoma cell lines (HepG2.2.15 [integrated HBV genome stable cell model] and non-integrated HepG2), with a subsequent impact on HBVsvp production. METHODS The present study evaluated the effects of different fluences of low-level laser therapy (LLLT) irradiation on various aspects of hepatoma cell behavior, including morphology, viability, ultrastructure, and its impact on HBVsvp synthesis. RESULTS In response to LLLT irradiation, we observed a considerable reduction in viability, proliferation, and HBVsvp production in both hepatoma cell lines HepG2.2.15 and HepG2. Ultrastructural modification of mitochondria and nuclear membranes: This effect was dose, cell type, and time-dependent. CONCLUSIONS The use of LLLT may be a promising therapy for HCC and HBV patients by reducing cell proliferation, HBVsvp production, and altering mitochondrial and nuclear structure involved in cellular death inducers. Further research is required to explore its clinical application.
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Affiliation(s)
- Ghada M Al-Toukhy
- Department of Virology and Immunology, Children's Cancer Hospital, Cairo, 57357, Egypt.
| | - Reda A Suef
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo, 11884, Egypt
| | - Sarah Hassan
- Pathology and Electron Microscopy, Theodor Bilharz Research Institute, Giza, Egypt
| | - Mohamed M S Farag
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Cairo, 11884, Egypt
- Biomedical Research Department, Armed Forces College of Medicine, Cairo, Egypt
| | - Tarek A El-Tayeb
- National Institute of Laser Enhanced Science (NILES), Cairo University, Cairo, Egypt
| | - Mohamed T M Mansour
- Department of Virology and Immunology, National Cancer Institute, Cairo University, Cairo, Egypt
- Children Cancer Hospital, Cairo, 57357, Egypt
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Khalesi Z, Razizadeh MH, Javadi M, Bahavar A, Keyvanlou Z, Saadati H, Letafati A, Khatami A, Kachooei A, Khales P, Alborzi E, Hosseini M, Tambrchi V, Jafari Maskouni E, Taheri N, Zafarani A, Motlaghzadeh S, Dehghani H, Shalpoush N, Masoudi A, Noorafaz M, Habib Z, Zarei M, Kiani SJ, Ghorbani S. Global epidemiology of HBV infection among hemodialysis patients: A systematic review and meta-analysis. Microb Pathog 2023; 179:106080. [PMID: 36948364 DOI: 10.1016/j.micpath.2023.106080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/16/2023] [Accepted: 03/19/2023] [Indexed: 03/24/2023]
Abstract
BACKGROUND & AIMS Hemodialysis (HD) is a life-saving procedure that purifies the blood in patients with end-stage renal disease (ESRD). Among all major complications, blood-borne diseases like hepatitis B virus (HBV) may be exposed as serious side effects of hemodialysis. A comprehensive review of the global burden of HBV among HD patients has not been written so far. The aim of the current systematic review and meta-analysis was to determine the globally epidemiology of HBV infection among HD patients. METHODS Based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, articles that investigated the prevalence of HBV among HD patients were searched from the major databases such as EMBASE, PubMed, Web of Science collection, and Scopus. Pooled prevalence with 95% CI and identification of heterogeneity were obtained using the random effects model and Cochran's Q-test, respectively, and quantification was evaluated using the I2 statistics. All statistical analyses were performed by STATA 14.1 statistical software. RESULTS among 322 datasets (795,623 cases) that included in this study, the pooled prevalence of HBV infection among HD patients was 7.32% (95% CI: 6.53-8.15%; I2 = 97.91%), including 7.57% (95% CI: 6.69-8.48%) for HBsAg and 6.09% (95% CI: 4.05-8.49%) for DNA, respectively. In addition, based on geographic area, the prevalence was 7.44% (95% CI: 6.35-8.61%) in Asia, 4.32% (95% CI: 2.21-7.04%) in North America, 7.07% (95% CI: 6.35-8.61%) in Europe, 5.52% (95% CI: 3.60-7.78%) in Africa, 8.45% (95% CI: 5.81-11.78%) in Oceania, and 9.73% (95% CI: 7.11-12.70%) in South America. CONCLUSIONS Our analysis indicates a relatively high prevalence of HBV infection in HD patients, even in some developed countries. Considering that ESRD patients are not able to properly respond to the vaccination strategies in order to develop an acceptable immunity, vaccination of healthy individuals is highly recommended to arm their bodies for possible immunocompromise conditions in the future. Moreover, donated blood in blood transfusion centers should be checked for possible hepatitis B virus infection using sensitive molecular tests.
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Affiliation(s)
- Zohreh Khalesi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Mahsa Javadi
- Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Atefeh Bahavar
- Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Zahra Keyvanlou
- Department of Virology, Faculty of Medical Science, Tarbiat Modares University, Tehran, Iran
| | - Hassan Saadati
- Department of Epidemiology and Biostatistics, School of Health, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Arash Letafati
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Khatami
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Atefeh Kachooei
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Pegah Khales
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ehsan Alborzi
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahdiyeh Hosseini
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Vahid Tambrchi
- Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Elham Jafari Maskouni
- Department of Microbiology and Virology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Nafiseh Taheri
- Department of Microbiology and Virology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Alireza Zafarani
- Department of Hematology and Blood Banking, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Motlaghzadeh
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Dehghani
- Department of Biology, Jahrom Branch, Islamic Azad University, Fars, Iran
| | - Nadia Shalpoush
- Biology Cellular and Molecular Microbiology, Islamic Azad University of Medical Sciences, Tehran, Iran
| | - Alireza Masoudi
- Department of Laboratory Sciences, Faculty of Allied Medical Sciences, Medical University of Qom, Qom, Iran
| | - Marzieh Noorafaz
- Department of Microbiology, Faculty of Basic Sciences, Rasht Branch, Islamic Azad University, Rasht, Iran
| | - Zahra Habib
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Zarei
- Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA; John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Seyed Jalal Kiani
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Saied Ghorbani
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Dano LB, Rao KP, Keno TD. Fractional order differential equations for chronic liver cirrhosis with frequent hospitalization. BMC Res Notes 2022; 15:332. [PMID: 36273195 DOI: 10.1186/s13104-022-06223-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 09/28/2022] [Indexed: 11/15/2022] Open
Abstract
Objective Liver cirrhosis, which is considered as the terminal stage of liver diseases, has become life-threatening among non-communicable diseases in the world. Viral hepatitis (hepatitis B and C) is the major risk factor for the development and progression of chronic liver cirrhosis. The asymptomatic stage of cirrhosis is considered as the compensated cirrhosis whereas the symptomatic stage is considered as decompensated cirrhosis. The latter stage is characterized by complex disorder affecting multiple systems of liver organ with frequent hospitalization. In this paper, we formulate system of fractional differential equations of chronic liver cirrhosis with frequent hospitalization to investigate the dynamics of the disease. The fundamental properties including the existence of positive solutions, positively invariant set, and biological feasibility are discussed. We used generalized mean value theorem to establish the existence of positive solutions. The Adams-type predictor-evaluate-corrector-evaluate approach is used to present the numerical scheme the fractional erder model. Results Using the numerical scheme, we simulate the solutions of the fractional order model. The numerical simulations are carried out using MATLAB software to illustrate the analytic findings. The analysis reveals that the number of decompensated cirrhosis individuals decreases when the progression rate and the disease’s past states are considered. Supplementary Information The online version contains supplementary material available at 10.1186/s13104-022-06223-9.
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Amadou A, Sighoko D, Coulibaly B, Traoré C, Kamaté B, Mallé BS, de Seze M, Kemayou Yoghoum FN, Biyogo Bi Eyang S, Bourgeois D, Curado MP, Bayo S, Gormally E, Hainaut P. Decrease in liver cancer incidence rates in Bamako, Mali over 28 years of population-based cancer registration (1987-2015). World J Hepatol 2022; 14:1767-1777. [PMID: 36185725 PMCID: PMC9521454 DOI: 10.4254/wjh.v14.i9.1767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 12/20/2021] [Accepted: 09/14/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Primary liver cancer is common in West Africa due to endemic risk factors. However, epidemiological studies of the global burden and trends of liver cancer are limited. We report changes in trends of the incidence of liver cancer over a period of 28 years using the population-based cancer registry of Bamako, Mali.
AIM To assess the trends and patterns of liver cancer by gender and age groups by analyzing the cancer registration data accumulated over 28 years (1987-2015) of activity of the population-based registry of the Bamako district.
METHODS Data obtained since the inception of the registry in 1987 through 2015 were stratified into three periods (1987-1996, 1997-2006, and 2007-2015). Age-standardized rates were estimated by direct standardization using the world population. Incidence rate ratios and the corresponding 95% confidence intervals (CI) were estimated using the early period as the reference (1987-1996). Joinpoint regression models were used to assess the annual percentage change and highlight trends over the entire period (from 1987 to 2015).
RESULTS Among males, the age-standardized incidence rates significantly decreased from 19.41 (1987-1996) to 13.12 (1997-2006) to 8.15 (2007-2015) per 105 person-years. The incidence rate ratio over 28 years was 0.42 (95%CI: 0.34-0.50), and the annual percentage change was -4.59 [95%CI: (-6.4)-(-2.7)]. Among females, rates dropped continuously from 7.02 (1987-1996) to 2.57 (2007-2015) per 105 person-years, with an incidence rate ratio of 0.37 (95%CI: 0.28-0.45) and an annual percentage change of -5.63 [95%CI: (-8.9)-(-2.3)].
CONCLUSION The population-based registration showed that the incidence of primary liver cancer has steadily decreased in the Bamako district over 28 years. This trend does not appear to result from biases or changes in registration practices. This is the first report of such a decrease in an area of high incidence of liver cancer in Africa. This decrease may be explained by the changes and diversity of diet that could reduce exposure to aflatoxins through dietary contamination in this population.
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Affiliation(s)
- Amina Amadou
- Institute for Advanced Biosciences, Grenoble 38700, France
- Department of Prevention Cancer Environment, Centre Léon Bérard, Lyon 69008, France
| | - Dominique Sighoko
- Department of Medicine, University of Chicago, Chicago, IL 60611, United States
| | - Bourama Coulibaly
- Department of Pathological Anatomy and Cytology, University Hospital of Point G, Bamako BP333, Mali
| | - Cheick Traoré
- Department of Pathological Anatomy and Cytology, University Hospital of Point G, Bamako BP333, Mali
| | - Bakarou Kamaté
- Department of Pathological Anatomy and Cytology, University Hospital of Point G, Bamako BP333, Mali
| | - Brahima S Mallé
- Department of Pathological Anatomy and Cytology, University Hospital of Point G, Bamako BP333, Mali
| | - Maëlle de Seze
- Université Paris 1 Panthéon-Sorbonne, Paris 75005, France
| | | | - Sandrine Biyogo Bi Eyang
- Department of Pathological Anatomy and Cytology, University Hospital of Point G, Bamako BP333, Mali
| | - Denis Bourgeois
- Health, Systemic, Process, UR 4129 Research Unit, Université Claude Bernard Lyon 1, Villeurbanne 69100, France
| | - Maria Paula Curado
- Epidemiology and Statistics Nucleus, ACCamargo Cancer Center, Sao Paulo 01508-010, Brazil
| | - Siné Bayo
- Department of Pathological Anatomy and Cytology, University Hospital of Point G, Bamako BP333, Mali
| | - Emmanuelle Gormally
- Sciences and Humanities Confluence Research Center, Université Catholique de Lyon, Lyon 69288, France
| | - Pierre Hainaut
- Institut pour l’Avancée des Biosciences, Grenoble 38700, France
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Bahrami A, Pourfathollah AA, Parsania M, Mehrabi Habibabadi H, Sharifi Z. Prevalence of occult hepatitis B virus infection among the blood donors in Golestan province: cross-sectional study. Iran J Microbiol 2022; 14:410-416. [PMID: 37124850 PMCID: PMC10132331 DOI: 10.18502/ijm.v14i3.9793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Background and Objectives Despite the increased sensitivity of screening tests, the HBV can be transmitted during the window period and occult hepatitis B infection. The purpose of this study was to evaluate HBV markers and prevalence of OBI among HBsAg negative blood donors in Golestan province. Materials and Methods Anti-HBc (IgM and IgG), anti-HBs and anti-HBe tests on 4313 serum samples (HBsAg negative) were performed by ELISA method. Also, all samples for the presence of HBV-DNA were tested by using NAT methods. SPSS software and chi-square test were used for data analysis. Results Of the 4313 samples, 384 (8.9%) sera were anti-HBc positive. Also, of 384 anti-HBc positive samples, 302 (78.65%) were anti-HBs positive and 152 (39.6%) were anti-HBe positive. Thirty-nine (0.90%) samples were anti-HBc positive, anti-HBs negative and anti-HBe negative. HBV-DNA was not detected in any of specimens. Conclusion Based on the results of retesting the isolated anti-HBc samples that after one year recalling, had undetectable HBV-DNA and for the prevention of the decreasing of healthy blood donation (due to false positive anti-HBc) and preservation of the blood supplies; Individual Donor Nucleic Acid Testing (ID-NAT) along with the anti-HBc testing for the improving blood safety is recommended.
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Affiliation(s)
- Asma Bahrami
- Department of Microbiology, Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Ali Akbar Pourfathollah
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Masoud Parsania
- Department of Microbiology, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Hossein Mehrabi Habibabadi
- Department of Microbiology, Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Zohreh Sharifi
- Department of Microbiology, Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
- Corresponding author: Zohreh Sharifi, Ph.D, Department of Microbiology, Blood Transfusion Research Centre, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran. Tel: +98-2182052155 Fax: +98-2188601555
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Huang CC, Wu KL, Liu JS, Chang YY. Autonomic impairment in treatment-naive patients with chronic hepatitis B and C infections. Auton Neurosci 2022; 238:102928. [PMID: 35021146 DOI: 10.1016/j.autneu.2021.102928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 11/16/2021] [Accepted: 12/10/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Peripheral neuropathy is not an uncommon manifestation in patients with chronic hepatitis. The role of cryoglobulin (CG) in neuropathy in patients with chronic hepatitis remains controversial. There is limited information about the autonomic neuropathy in chronic hepatitis. This study aimed to evaluate autonomic function in treatment-naive patients with chronic hepatitis B or hepatitis C infection and to elucidate the association between autonomic neuropathy and CG in these patients. METHODS A total of 29 treatment-naive patients with chronic, yet mild degrees of hepatitis B or C infection were evaluated for autonomic function, including those in the sympathetic sudomotor, cardiovagal, and adrenergic domains, to compare with the control subjects. The autonomic impairment was graded using the Composite Autonomic Scoring Scale. Then, association analyses between autonomic parameters/scores and CG were performed. RESULTS Patients with chronic hepatitis B or C infection had significantly worse autonomic function than control subjects, especially in the sudomotor and cardiovagal domains. The autonomic manifestations in cases with and without CG were similar. There was no significant difference in autonomic dysfunction between patients with hepatitis B and C infections. CONCLUSION The study demonstrated that autonomic neuropathy was not uncommon in patients with chronic hepatitis B or C infection. There was no association between autonomic neuropathy and CG.
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Affiliation(s)
- Chih-Cheng Huang
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Keng-Liang Wu
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Jia-Shou Liu
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Yung-Yee Chang
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan.
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Barone M, Venerito V, Paolillo R, Emmi G, Fornaro M, Cacciapaglia F, Cantarini L, Di Leo A, Iannone F, Lopalco G. Long-term safety of rituximab in rheumatic patients with previously resolved hepatitis B virus infection. Intern Emerg Med 2022; 17:475-480. [PMID: 34476737 DOI: 10.1007/s11739-021-02836-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 08/20/2021] [Indexed: 02/07/2023]
Abstract
Conflicting results can be found in the literature on the frequency of hepatitis B virus (HBV) reactivation (HBVr) on rituximab (RTX) in rheumatic patients with previously resolved HBV (prHBV) infection. Here, we report the frequency of HBVr in a large historical cohort of caucasian rheumatic patients with prHBV receiving RTX. Registry data of rheumatic patients treated with RTX were retrospectively analysed. Demographic and clinical characteristics including evaluation of anti-HCV and HBV markers, annual HBV-DNA determination and aminotransferase levels assessed every three months, were recorded. Kaplan-Meier estimate was used to compare the risk of being still under therapy at different time points in patients with or without prHBV infection. Cox regression analysis was used to determine the association between recorded variables and treatment discontinuation. A total of 311 patients treated with RTX, 44 (14.1%) with and 267 (85.9%) without prHBV were analysed. No significant difference between the two groups regarding demographic and clinical characteristics was observed. During RTX treatment, detectable HBV-DNA and reappearance of HBsAg in patients with prHBV (seroreversion) were never observed. Kaplan-Meier functions were similar in patients with or without prHBV infection which was not associated with RTX discontinuation neither at univariate nor at multivariate analysis. These data are in favor of the concept that patients with rheumatologic diseases have a very low risk of reactivation of the HBV infection under RTX treatment. However, future prospective studies, including a larger number of patients, are still necessary to draw definitive conclusions.
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Affiliation(s)
- Michele Barone
- Gastroenterology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Vincenzo Venerito
- Rheumatology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Rosa Paolillo
- Gastroenterology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Giacomo Emmi
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Marco Fornaro
- Rheumatology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Fabio Cacciapaglia
- Rheumatology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Luca Cantarini
- Rheumatology Unit, Department Research Center of Systemic Autoimmune and Autoinflammatory Diseases, University of Siena, Siena, Italy
| | - Alfredo Di Leo
- Gastroenterology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Florenzo Iannone
- Rheumatology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy
| | - Giuseppe Lopalco
- Rheumatology Unit, Department of Emergency and Organ Transplantation (D.E.T.O.), University of Bari, Bari, Italy.
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Abstract
Polyarteritis nodosa (PAN) is a systemic necrotizing vasculitis that preferentially affects medium-sized vessels. The idiopathic form has become rare. Its treatment relies on corticosteroid therapy and is combined with cyclophosphamide infusions for severe forms. Secondary PANs were mainly associated with hepatitis B virus infection; they were treated with plasma exchange and antivirals in combination with short-term corticosteroid therapy. Other secondary forms of PAN are now becoming more common, such as those due to blood disorders. More recently, a monogenic form linked to adenosine deaminase-2 mutations has been identified. It requires treatment with TNF inhibitors to decrease the occurrence of ischemic central nervous system complications, which make it serious. Once remission is obtained, relapses are typically rare during PAN and affect 28% of idiopathic PANs, within an average of 26 months from the diagnosis. The prognosis has improved considerably, with 5- and 10-year survival rates of 83% and 74%.
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Affiliation(s)
- Xavier Puéchal
- Centre de Référence des Maladies Systémiques Auto-immunes rares d'Île de France, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université de Paris, Paris, France; Institut Cochin, Inserm U1016, CNRS UMR 8104, Paris, France.
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Otchere G, Dwomoh E, Kumah E, Ankomah SE, Fusheini A, Agyei-Baffour P, Afriyie EK, Agyei SK. Knowledge, attitude and practice towards hepatitis B infection among high school students in Asante Mampong, Ghana. Int J Risk Saf Med 2021; 33:269-279. [PMID: 34719436 DOI: 10.3233/jrs-200077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Hepatitis B virus (HBV) infection is a serious global public health problem, with significant morbidity and mortality from acute and chronic complications. Increasing awareness and improving knowledge of HBV helps reduce the risk of the disease. Although many studies have been conducted on HBV in Ghana, few have focused on examining knowledge, attitude and preventive practices among adolescents towards the disease. OBJECTIVE The objective of this study was to assess HBV knowledge, attitude and practice (KAP) among adolescents in high schools in the Asante Mampong Municipality in the Ashanti Region of Ghana. METHODS A descriptive cross-sectional study was conducted among 398 adolescents from six senior high schools within the Asante Mampong Municipality. Data was collected using a 30-item structured questionnaire. Each item had two response options: "Yes" and "No". A scoring system was generated and respondents were given a score on each item answered. A positive response to an item was scored 1 point and a negative response was scored 0. Scores were then summed up and averaged to give the mean knowledge, attitude and practice scores. RESULTS The majority of the respondents were male (60%), between 15 and 17 years (45%), Christian (93%) and in their first year of study. The adolescents had basic knowledge, positive attitude, and poor practices towards HBV. There was no significant relationship between the demographic variables of the respondents and KAP mean scores. CONCLUSION There is the need to introduce health education and awareness programs in schools within the Asante Mampong Municipality to improve students' level of knowledge of HBV. Countrywide studies examining KAP towards HBV infection among adolescents are also warranted.
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Affiliation(s)
- Godfred Otchere
- Faculty of Humanities, Center for Medicine and Society, University of Freiburg, Germany
| | - Emmanuel Dwomoh
- Department of Public Health, Faculty of Health Sciences, Catholic University College of Ghana, Sunyani, Ghana
| | - Emmanuel Kumah
- Department of Health Administration and Education, Faculty of Science Education, University of Education, Winneba, Ghana
| | - Samuel Egyakwa Ankomah
- Department of Preventive and Social Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Adam Fusheini
- Department of Preventive and Social Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Peter Agyei-Baffour
- Department of Health Policy, Management and Economics, School of Public Health, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
| | | | - Samuel Kofi Agyei
- Department of Health Policy, Management and Economics, School of Public Health, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
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Haering C, McMahon B, Harris A, Weis N, Lundberg Ederth J, Axelsson M, Olafsson S, Osiowy C, Tomas K, Bollerup S, Liitsola K, Archibald C, Blystad H, Bruce M, Nolen L. Hepatitis B virus elimination status and strategies in circumpolar countries, 2020. Int J Circumpolar Health 2021; 80:1986975. [PMID: 34668463 PMCID: PMC8530492 DOI: 10.1080/22423982.2021.1986975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Hepatitis B virus (HBV) infection remains a global health threat. The World Health Organization (WHO) established a goal to eliminate HBV infection as a public health threat by 2030, and defined targets for key interventions to achieve that goal. We evaluated HBV burden and relevant national recommendations for progress towards WHO targets in circumpolar countries. Viral hepatitis experts of circumpolar countries were surveyed regarding their country’s burden of HBV, achievement of WHO targets and national public health authority recommendations for HBV prevention and control. Eight of nine circumpolar countries responded. All countries continue to see new HBV infections. Data about HBV prevalence and progress in reaching WHO 2030 elimination targets are lacking. No country was able to report data for all seven WHO target measures. All countries have recommendations targeting the prevention of mother-to-child transmission. Only the USA and Greenland recommend universal birth dose vaccination. Four countries have recommendations to screen persons at high risk for HBV. Existing recommendations largely address prevention; however, recommendations for universal birth dose vaccination have not been widely introduced. Opportunities remain for the development of trackable targets and national elimination planning to screen and treat for HBV to reduce incidence and mortality.
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Affiliation(s)
- Celia Haering
- University of California San Francisco School of Medicine, San Francisco, California, USA
| | - Brian McMahon
- Arctic Investigations Program, Division of Preparedness and Emerging Infections, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention (CDC), Anchorage, Alaska, USA.,Liver Diseases and Hepatitis Program, Alaska Native Tribal Health Consortium, Anchorage, Alaska, USA
| | - Aaron Harris
- Division of Viral Hepatitis, Centers for Human Immunodeficiency Virus, Tuberculosis Prevention, Sexually Transmitted Diseases, and Viral Hepatitis, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA
| | - Nina Weis
- Department of Infectious Diseases, Copenhagen University Hospital, Hvidovre, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Josefine Lundberg Ederth
- Department of Public Health Analysis and Data Management, Unit for Epidemiological Monitoring, Public Health Agency of Sweden, Stockholm, Sweden
| | - Maria Axelsson
- Department of Public Health Analysis and Data Management, Unit for Epidemiological Monitoring, Public Health Agency of Sweden, Stockholm, Sweden
| | - Sigurdur Olafsson
- Department of Gastroenterology and Hepatology, Landspitali University Hospital, Reykjavik, Iceland.,School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Carla Osiowy
- Viral Hepatitis and Bloodborne Pathogens National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Kristina Tomas
- Sti and Hepatitis Section
- La Section Des Its Et Des Hépatites, Stbbi Surveillance Division
- Division De La Surveillance Des ITSS, Public Health Agency of Canada
- L'Agence De La Santé Publique Du Canada, Ottawa, Ontario, Canada
| | - Signe Bollerup
- Department of Infectious Diseases, Copenhagen University Hospital, Hvidovre, Copenhagen, Denmark
| | - Kirsi Liitsola
- Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Chris Archibald
- Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, Ottawa, Ontario, Canada
| | - Hans Blystad
- Norwegian Institute of Public Health, Oslo, Norway
| | - Michael Bruce
- Arctic Investigations Program, Division of Preparedness and Emerging Infections, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention (CDC), Anchorage, Alaska, USA
| | - Leisha Nolen
- Arctic Investigations Program, Division of Preparedness and Emerging Infections, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention (CDC), Anchorage, Alaska, USA
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11
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Çakmak F, Çakan M, Demir F, Sonmez HE, Çakmak S, Demirkan FG, Karadağ ŞG, Ayaz NA, Sözeri B. Hepatitis B vaccination response of treatment-naive patients with juvenile idiopathic arthritis. Rheumatol Int 2021. [PMID: 33738550 DOI: 10.1007/s00296-021-04833-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 03/02/2021] [Indexed: 10/21/2022]
Abstract
To evaluate the vaccine response of treatment-naive juvenile idiopathic arthritis (JIA) patients who were fully vaccinated against Hepatitis B Virus (HBV) and then compare their antibody status with healthy controls. In this multicenter study, initial visit hepatitis B surface antigen (HbsAg) and anti-hepatitis B surface antibody (anti-Hbs) titers of 262 treatment-naive JIA patients who were followed up regularly between May 2015 and October 2019 were evaluated retrospectively from patients' medical records and compared with 276 healthy peers. Both HbsAg and anti-Hbs antibody titers were tested by the ELISA technique. Anti-HBs titers ≥ 10 IU/L were considered as reactive indicating seroprotection against HBV. In the JIA group, seropositivity rate was 59.1% while 72.9% of the control group were immune against HBV (p = 0.002). The median titer for anti-Hbs was 14 (range: 0-1000) IU/L in the patient group and 43.3 (range: 0-1000) IU/L in the control group (p = 0.01). Neither JIA patients nor healthy controls were positive for HbsAg. Patients with JIA vaccinated according to the national vaccination schedule were evaluated at their first visit in pediatric rheumatology outpatient clinics for anti-Hbs presence and it was found that they have lesser seroprotectivity than their age and sex-matched routinely vaccinated, healthy peers. So, to complete missing vaccines and booster vaccine doses, assessing the immune status of the patients at the time of diagnosis against HBV should be in the check-list of physicians dealing with pediatric rheumatic diseases.
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12
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Allaire M, El Hajj W, Brichler S, Diallo K, Fanica D, Blaise L, Nkontchou G, Grando V, Arbadi F, Nahon P, Ziol M, Nault JC, Ganne-Carrié N. Prior surveillance and antiviral treatment improve the prognosis of HCC developed in HBV patients in the West. Clin Res Hepatol Gastroenterol 2021; 45:101436. [PMID: 32418851 DOI: 10.1016/j.clinre.2020.03.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 03/26/2020] [Accepted: 03/30/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND In Western countries, hepatocellular carcinoma (HCC) in hepatitis B (HBV) patients without cirrhosis was poorly studied. The aim was to describe the characteristics and outcome of HBV-related HCC according to fibrosis stage. METHOD All patients with chronic HBV infection and HCC discussed in a multidisciplinary tumor board between 2007 and 2017 were retrospectively included. RESULTS A total of 152 out of 2,038 HCC patients had underlying HBV infection. HBV viral load>2000IU/ml, positive HBeAg and Hepatitis D coinfection were observed in 41%, 13% and 13% of cases, respectively. HCC was uninodular in 53%, associated with portal thrombosis in 16% and/or metastasis in 9% of cases. 130 patients (86%) had cirrhosis. No difference regarding HCC risk factors and viral characteristics was observed according to fibrosis stage. 5-year survival was 48%(47% on cirrhosis versus 57% without cirrhosis, P=0.26). At HCC diagnosis, 47% and 32% of cirrhotic and non-cirrhotic patients received an antiviral treatment (AVT), which was associated with less aggressive tumor and better survival (P=0.005). In cirrhosis, screening was associated with a lower tumor burden and patients were more amenable to curative treatment with better outcome (P<0.001). CONCLUSION HBV represents 8% of HCC etiologies without differences of viral characteristics according to fibrosis stage. AVT and surveillance were associated with less aggressive tumors, better access to curative treatment and outcome.
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Affiliation(s)
- Manon Allaire
- Service d'hépato-gastroentérologie et nutrition, CHU Côte-de-Nacre, Caen, France; Inserm UMR 1149, centre de recherche sur l'inflammation, Paris, France
| | - Weam El Hajj
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Ségolène Brichler
- Service de microbiologie clinique, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, Bobigny, France; Université Paris 13, Sorbonne Paris cité, Bobigny, France; Unité Inserm U955, Créteil, France
| | - Kadiatou Diallo
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Daniela Fanica
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Lorraine Blaise
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Gisèle Nkontchou
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Véronique Grando
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Fatima Arbadi
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France
| | - Pierre Nahon
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France; Université Paris 13, Sorbonne Paris cité, Bobigny, France; Unité Inserm UMR1162, Paris, France
| | - Marianne Ziol
- Université Paris 13, Sorbonne Paris cité, Bobigny, France; Unité Inserm UMR1162, Paris, France; Service d'anatomopathologie, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, Bondy, France
| | - Jean-Charles Nault
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France; Université Paris 13, Sorbonne Paris cité, Bobigny, France; Unité Inserm UMR1162, Paris, France
| | - Nathalie Ganne-Carrié
- Service d'hépatologie, pôle d'activité cancérologique spécialisée, hôpitaux universitaires Paris Seine Saint-Denis, AP-HP, site Jean-Verdier, 93143 Bondy, France; Université Paris 13, Sorbonne Paris cité, Bobigny, France; Unité Inserm UMR1162, Paris, France.
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13
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Abstract
PURPOSE OF REVIEW Limited data exist on the prevalence, determinants, and outcomes of hepatitis delta virus (HDV) infection among HIV/hepatitis B virus (HBV)-coinfected persons. This review provides current evidence on the epidemiology, natural history, and treatment of HDV infection in patients with HIV/HBV coinfection and highlights future research needs. RECENT FINDINGS Cross-sectional studies in Europe, Africa, South America, and Asia show that the prevalence of HDV among HIV/HBV-coinfected patients ranges from 1.2 to 25%. No studies have evaluated the prevalence of HDV infection among HIV/HBV-coinfected patients in the USA. HDV infection increases the risk of hepatic decompensation and hepatocellular carcinoma among HIV/HBV-coinfected patients. HDV treatment remains limited to pegylated interferon-alpha, which results in sustained virologic response in fewer than 25%. Data on the epidemiology, natural history, and treatment of HDV among HIV/HBV-coinfected persons remain limited. More research is needed to address these knowledge gaps in order to better manage HDV coinfection in HIV/HBV-coinfected patients.
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Affiliation(s)
- Nicole D Ferrante
- Division of Gastroenterology and Hepatology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Biostatistics, Epidemiology, and Informatics, Center for Clinical Epidemiology and Biostatistics, Center for Pharmacoepidemiology Research and Training, Perelman School of Medicine, University of Pennsylvania, 836 Blockley Hall, 423 Guardian Drive, Philadelphia, PA, 19104-6021, USA
| | - Vincent Lo Re
- Department of Biostatistics, Epidemiology, and Informatics, Center for Clinical Epidemiology and Biostatistics, Center for Pharmacoepidemiology Research and Training, Perelman School of Medicine, University of Pennsylvania, 836 Blockley Hall, 423 Guardian Drive, Philadelphia, PA, 19104-6021, USA.
- Division of Infectious Diseases, Department of Medicine, Perelman School of Medicine University of Pennsylvania, Philadelphia, PA, USA.
- Center for AIDS Research, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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14
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Maponga TG, Glashoff RH, Vermeulen H, Robertson B, Burmeister S, Bernon M, Omoshoro-Jones J, Ruff P, Neugut AI, Jacobson JS, Preiser W, Andersson MI. Hepatitis B virus-associated hepatocellular carcinoma in South Africa in the era of HIV. BMC Gastroenterol 2020; 20:226. [PMID: 32660431 PMCID: PMC7359588 DOI: 10.1186/s12876-020-01372-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 07/07/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Patients co-infected with hepatitis B virus (HBV) and the human immunodeficiency virus (HIV) are at risk of developing hepatocellular carcinoma (HCC). In sub-Saharan Africa, the overlap between high HIV and HBV prevalence may increase the incidence of HCC. This study investigated the impact of HBV/HIV co-infection on age at presentation and survival of HCC. METHODS Ethical approval was obtained to recruit, following informed written consent, patients diagnosed with HCC at oncology units at four South African hospitals. Between December 2012 and August 2015, patients newly diagnosed with HCC were recruited and provided demographic and clinical data and blood specimens. Patients were tested for HBV, hepatitis C virus (HCV) and HIV. Survival data was available for a subset of patients. RESULTS Of 107 HCC cases, 83 (78%) were male. Median age was 46 years (range 18 to 90 years), 68/106 (64%) were HBsAg-positive, and 22/100 (22%) were HIV infected. Among HBV surface antigen (HBsAg)-positive HCC cases, 18/66 (27%) were HIV-infected compared to 3/34 (9%) among those that were HBsAg-negative (p = 0.04). A greater proportion of HBV/HIV co-infected cases were female than HBV mono-infected (6/18, 33% vs 6/47, 13%; p = 0.005). In addition, HBV/HIV co-infected females presented at a younger mean age (36.8 years) than HBV mono-infected women (50.5 years) (p = 0.09). Median survival was 82 days among the HIV-infected HCC patients compared to 181 days among those without HIV (p = 0.15). CONCLUSIONS HCC is an important complication in the HIV/HBV infected patient. HIV-positive patients presented with HCC at a younger age than HIV-negative patients, this effect appears to be greater in women. These data provide more evidence supporting the call to address. HCC as a cause of morbidity and mortality in the HBV/HIV co-infected patient population. (281 words).
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Affiliation(s)
- Tongai Gibson Maponga
- Division of Medical Virology, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa.
| | - Richard H Glashoff
- Division of Medical Microbiology & Immunology, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa.,Tygerberg Business Unit, National Health Laboratory Service, Cape Town, South Africa
| | - Hannali Vermeulen
- Division of Radiation Oncology, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa
| | - Barbara Robertson
- Division of Radiation Oncology, University of Cape Town, Cape Town, South Africa
| | - Sean Burmeister
- Department of Surgery, University of Cape Town, Cape Town, South Africa
| | - Marc Bernon
- Department of Surgery, University of Cape Town, Cape Town, South Africa
| | | | - Paul Ruff
- Division of Medical Oncology, University of Witwatersrand, Johannesburg, South Africa
| | - Alfred I Neugut
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, USA.,Herbert Irving Comprehensive Cancer Center, College of Physicians and Surgeons, Columbia University, New York, USA.,Mailman School of Public Health, Columbia University, New York, USA
| | - Judith S Jacobson
- Herbert Irving Comprehensive Cancer Center, College of Physicians and Surgeons, Columbia University, New York, USA.,Mailman School of Public Health, Columbia University, New York, USA
| | - Wolfgang Preiser
- Division of Medical Virology, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa.,Tygerberg Business Unit, National Health Laboratory Service, Cape Town, South Africa
| | - Monique I Andersson
- Division of Medical Virology, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa.,Department of Microbiology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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15
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Wang Q, Michailidis E, Yu Y, Wang Z, Hurley AM, Oren DA, Mayer CT, Gazumyan A, Liu Z, Zhou Y, Schoofs T, Yao KH, Nieke JP, Wu J, Jiang Q, Zou C, Kabbani M, Quirk C, Oliveira T, Chhosphel K, Zhang Q, Schneider WM, Jahan C, Ying T, Horowitz J, Caskey M, Jankovic M, Robbiani DF, Wen Y, de Jong YP, Rice CM, Nussenzweig MC. A Combination of Human Broadly Neutralizing Antibodies against Hepatitis B Virus HBsAg with Distinct Epitopes Suppresses Escape Mutations. Cell Host Microbe 2020; 28:335-349.e6. [PMID: 32504577 DOI: 10.1016/j.chom.2020.05.010] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 03/09/2020] [Accepted: 05/08/2020] [Indexed: 02/08/2023]
Abstract
Although there is no effective cure for chronic hepatitis B virus (HBV) infection, antibodies are protective and correlate with recovery from infection. To examine the human antibody response to HBV, we screened 124 vaccinated and 20 infected, spontaneously recovered individuals. The selected individuals produced shared clones of broadly neutralizing antibodies (bNAbs) that targeted 3 non-overlapping epitopes on the HBV S antigen (HBsAg). Single bNAbs protected humanized mice against infection but selected for resistance mutations in mice with prior established infection. In contrast, infection was controlled by a combination of bNAbs targeting non-overlapping epitopes with complementary sensitivity to mutations that commonly emerge during human infection. The co-crystal structure of one of the bNAbs with an HBsAg peptide epitope revealed a stabilized hairpin loop. This structure, which contains residues frequently mutated in clinical immune escape variants, provides a molecular explanation for why immunotherapy for HBV infection may require combinations of complementary bNAbs.
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Affiliation(s)
- Qiao Wang
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China.
| | - Eleftherios Michailidis
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Yingpu Yu
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Zijun Wang
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Arlene M Hurley
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Deena A Oren
- Structural Biology Resource Center, The Rockefeller University, New York, NY 10065, USA
| | - Christian T Mayer
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Anna Gazumyan
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Zhenmi Liu
- West China School of Public Health, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yunjiao Zhou
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Till Schoofs
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Kai-Hui Yao
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Jan P Nieke
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Jianbo Wu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Qingling Jiang
- West China School of Public Health, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Chenhui Zou
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA; Division of Gastroenterology and Hepatology, Weill Cornell Medicine, New York, NY 10065, USA
| | - Mohanmmad Kabbani
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Corrine Quirk
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Thiago Oliveira
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Kalsang Chhosphel
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Qianqian Zhang
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - William M Schneider
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Cyprien Jahan
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Tianlei Ying
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Jill Horowitz
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Marina Caskey
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Mila Jankovic
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Davide F Robbiani
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA
| | - Yumei Wen
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Ype P de Jong
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA; Division of Gastroenterology and Hepatology, Weill Cornell Medicine, New York, NY 10065, USA.
| | - Charles M Rice
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Michel C Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA; Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
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16
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Luo Y, Pan M, Ning M, Chenyu X, Liu L, Chen L, Chen T, Biyun X, Yali H, Zhou YH. High mutation prevalence of precore and basal core promoter in pregnant women who underwent spontaneous HBeAg seroconversion within one year postpartum. Dig Liver Dis 2020; 52:199-204. [PMID: 31320303 DOI: 10.1016/j.dld.2019.06.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 06/21/2019] [Accepted: 06/25/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Seroconversion of hepatitis B e antigen (HBeAg) is a critical event in the natural course of hepatitis B virus (HBV) infection. AIM We herein characterize the virological factors associated with postpartum spontaneous HBeAg seroconversion. METHODS A total of 214 pregnant women positive for both hepatitis B surface antigen (HBsAg) and HBeAg were followed up at 7-12 months postpartum. RESULTS Of the subjects, 26 (12.1%) achieved spontaneous HBeAg seroconversion. Receiver operating curve analysis indicated that HBV DNA level <1.0 × 107 IU/mL, HBsAg <1.0 × 104 IU/mL and HBeAg <7.36 × 102 S/CO each independently predicted HBeAg seroconversion within 12 months postpartum. At delivery, 73.1% (19/26) women with postpartum HBeAg seroconversion had precore (PC) and/or basal core promoter (BCP) mutations, higher than that (5/36, 13.9%) in the women without postpartum seroconversion. Binary logistic regression analysis indicated that the presence of mutations in PC, BCP, and both PC and BCP at delivery was associated with an increased likelihood (OR = 13.286, 16. 238, and 22.143 respectively, all P < 0.05) to undergo postpartum spontaneous HBeAg seroconversion. CONCLUSION These results suggest that quantitative determination of virological markers and sequencing PC and BCP can predict spontaneous HBeAg seroconversion, which could be valuable in deciding antiviral therapy against HBV.
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17
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Khatun MS, Biswas MHA. Optimal control strategies for preventing hepatitis B infection and reducing chronic liver cirrhosis incidence. Infect Dis Model 2019; 5:91-110. [PMID: 31930183 PMCID: PMC6948267 DOI: 10.1016/j.idm.2019.12.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 12/21/2019] [Accepted: 12/23/2019] [Indexed: 11/21/2022] Open
Abstract
Advanced liver cirrhosis has become life-threatening among non-communicable diseases nowadays. Cirrhosis, the terminal stage of liver diseases in which the liver develops scarring as a result of various long-term continuous damages. Among liver diseases, viral hepatitis is the major risk factor for chronic cirrhosis development. The present paper demonstrates a compartmental model of chronic disease liver cirrhosis describing the transmission dynamics of this disease. Applying the Pontryagin’s maximum principle, the optimal control policies such as vaccination for hepatitis B virus and treatment of other causes of cirrhosis are adopted as control measures. The target of this study is to minimize the number of infected and liver cirrhotic individuals as well as the associated cost of the control. For this purpose, the optimal control strategies are employed according to the underlying causes behind this disease. Our goal is to find the strategy of preventing hepatitis B infection which is considered one of the leading causes of cirrhosis and consequently, reduction of the chronic cirrhosis incidence. Efficiency analysis is also performed to observe the effective control among the two control strategies. The model is investigated both analytically and numerically and the numerical simulations are carried out to illustrate the analytical findings. The analysis reveals that both the vaccination and treatment could be the most fruitful way to reduce the incidence of chronic liver cirrhosis.
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18
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Donà S, Borsetto D, Fussey J, Biscaro V, Vian E, Spinato G, Menegaldo A, Da Mosto MC, Rigoli R, Polesel J, Boscolo-Rizzo P. Association between hepatitis C and B viruses and head and neck squamous cell carcinoma. J Clin Virol 2019; 121:104209. [PMID: 31711028 DOI: 10.1016/j.jcv.2019.104209] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/19/2019] [Accepted: 10/31/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Hepatitis B and C viruses are known to be carcinogenic and have been associated with the development of non-Hodgkin's lymphoma as well as hepatocellular carcinoma. The incidence of head and neck cancer is increasing worldwide, and early diagnosis is vital in order to achieve good oncological outcomes. OBJECTIVES To investigate the association between chronic hepatitis B and C infection, and head and neck squamous cell carcinoma (HNSCC). STUDY DESIGN We performed a retrospective case control study with 774 head and neck squamous cell carcinoma (HNSCC) patients undergoing treatment, and 1518 cancer-free controls undergoing hernia surgery. Hepatitis B and C serologies were tested prior to treatment, and cases and controls were age- and sex-matched before analysing rates of infection. RESULTS HNSCC patients were more likely than controls to have evidence of chronic hepatitis B (OR = 2.76; CI 95 %, 1.64-4.64) and hepatitis C (OR = 2.59; 95 % CI, 1.46-4.60) infection. No substantial association was found between hepatitis B and C infection and other known risk factors for head and neck cancer. CONCLUSIONS These findings suggest a positive association between both hepatitis B and hepatitis C chronic infection, and HNSCC. More work is needed to establish a causal role, however an awareness of the possibility of increased risk of HNSCC may lead to earlier diagnosis and better outcomes in patients with hepatitis B and C.
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Affiliation(s)
- Sara Donà
- Department of Neurosciences, Section of Otolaryngology, University of Padova, Treviso, Italy
| | - Daniele Borsetto
- Cambridge ENT Unit, Cambridge University Hospitals NHS Foundation Trust, United Kingdom.
| | - Jonathan Fussey
- Department of Otolaryngology, Royal Devon and Exeter Hospital, Exeter, United Kingdom
| | - Valeria Biscaro
- Department of Clinical Pathology, AULSS 2, Marca Trevigiana, Treviso, Italy
| | - Elisa Vian
- Department of Clinical Pathology, AULSS 2, Marca Trevigiana, Treviso, Italy
| | - Giacomo Spinato
- Department of Neurosciences, Section of Otolaryngology, University of Padova, Treviso, Italy; Department of Surgery, Oncology and Gastroenterology, Section of Oncology and Immunology, University of Padova, Padova, Italy
| | - Anna Menegaldo
- Department of Neurosciences, Section of Otolaryngology, University of Padova, Treviso, Italy
| | - Maria Cristina Da Mosto
- Department of Neurosciences, Section of Otolaryngology, University of Padova, Treviso, Italy
| | - Roberto Rigoli
- Department of Clinical Pathology, AULSS 2, Marca Trevigiana, Treviso, Italy
| | - Jerry Polesel
- Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Aviano, Italy
| | - Paolo Boscolo-Rizzo
- Department of Neurosciences, Section of Otolaryngology, University of Padova, Treviso, Italy.
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Wandeler G, Mauron E, Atkinson A, Dufour JF, Kraus D, Reiss P, Peters L, Dabis F, Fehr J, Bernasconi E, van der Valk M, Smit C, Gjærde LK, Rockstroh J, Neau D, Bonnet F, Rauch A. Incidence of hepatocellular carcinoma in HIV/HBV-coinfected patients on tenofovir therapy: Relevance for screening strategies. J Hepatol 2019; 71:274-280. [PMID: 30965070 DOI: 10.1016/j.jhep.2019.03.032] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 03/02/2019] [Accepted: 03/29/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND & AIMS Robust data on hepatocellular carcinoma (HCC) incidence among HIV/hepatitis B virus (HBV)-coinfected individuals on antiretroviral therapy (ART) are needed to inform HCC screening strategies. We aimed to evaluate the incidence and risk factors of HCC among HIV/HBV-coinfected individuals on tenofovir disoproxil fumarate (TDF)-containing ART in a large multi-cohort study. METHODS We included all HIV-infected adults with a positive hepatitis B surface antigen test followed in 4 prospective European cohorts. The primary outcome was the occurrence of HCC. Demographic and clinical information was retrieved from routinely collected data, and liver cirrhosis was defined according to results from liver biopsy or non-invasive measurements. Multivariable Poisson regression was used to assess HCC risk factors. RESULTS A total of 3,625 HIV/HBV-coinfected patients were included, of whom 72% had started TDF-containing ART. Over 32,673 patient-years (py), 60 individuals (1.7%) developed an HCC. The incidence of HCC remained stable over time among individuals on TDF, whereas it increased steadily among those not on TDF. Among individuals on TDF, the incidence of HCC was 5.9 per 1,000 py (95% CI 3.60-9.10) in cirrhotics and 1.17 per 1,000 py (0.56-2.14) among non-cirrhotics. Age at initiation of TDF (adjusted incidence rate ratio per 10-year increase: 2.2, 95% CI 1.6-3.0) and the presence of liver cirrhosis (4.5, 2.3-8.9) were predictors of HCC. Among non-cirrhotic individuals, the incidence of HCC was only above the commonly used screening threshold of 2 cases per 1,000 py in patients aged >45 years old at TDF initiation. CONCLUSIONS Whereas the incidence of HCC was high in cirrhotic HIV/HBV-coinfected individuals, it remained below the HCC screening threshold in patients without cirrhosis who started TDF aged <46 years old. LAY SUMMARY We investigated the incidence of hepatocellular carcinoma in HIV/hepatitis B virus-coinfected individuals from a large multi-cohort study in Europe. Over 32,673 patient-years, 60 individuals (1.7%) developed hepatocellular carcinoma. The incidence of hepatocellular carcinoma remained low in patients without cirrhosis, who started on tenofovir disoproxil fumarate when aged <46 years old.
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Affiliation(s)
- Gilles Wandeler
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Switzerland; Institute of Social and Preventive Medicine, University of Bern, Switzerland.
| | - Etienne Mauron
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Switzerland
| | - Andrew Atkinson
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Switzerland
| | - Jean-François Dufour
- University Clinic for Visceral Surgery and Medicine, Bern University Hospital, University of Bern, Switzerland
| | - David Kraus
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Switzerland; Department of Mathematics and Statistics, Masaryk University, Brno, Czech Republic
| | - Peter Reiss
- HIV Monitoring Foundation, Amsterdam, the Netherlands; Department of Global Health, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands; Division of Infectious Diseases, Amsterdam University Medical Centers, Location AMC, the Netherlands
| | - Lars Peters
- CHIP, Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - François Dabis
- ISPED, Université Bordeaux, Centre INSERM U1219-Epidémiologie Biostatistique, France
| | - Jan Fehr
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Switzerland; Department of Public Health, Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
| | - Enos Bernasconi
- Division of Infectious Diseases, Regional Hospital Lugano, Switzerland
| | - Marc van der Valk
- Division of Infectious Diseases, Amsterdam University Medical Centers, Location AMC, the Netherlands
| | - Colette Smit
- HIV Monitoring Foundation, Amsterdam, the Netherlands
| | - Lars K Gjærde
- CHIP, Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Jürgen Rockstroh
- Department of Medicine I, University Hospital Bonn, Bonn, Germany
| | - Didier Neau
- CHU de Bordeaux, Service de Maladies Infectieuses et Tropicales, Bordeaux, France
| | - Fabrice Bonnet
- ISPED, Université Bordeaux, Centre INSERM U1219-Epidémiologie Biostatistique, France; CHU Bordeaux, Service de Médecine Interne et Maladies Infectieuses, Bordeaux, France
| | - Andri Rauch
- Department of Infectious Diseases, Bern University Hospital, University of Bern, Switzerland
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Zhao Y, Yu Y, Ye L. MiR-3613-3p impairs IFN-induced immune response by targeting CMPK1 in chronic hepatitis B. Infect Genet Evol 2019; 74:103919. [PMID: 31201869 DOI: 10.1016/j.meegid.2019.103919] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/02/2019] [Accepted: 06/11/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND This study aims to investigate the effects of miR-3613-3p and its underlying mechanisms on chronic hepatitis B. METHODS Expressions of miR-3613-3p were determined in clinical samples from chronic hepatitis B patients and healthy volunteers. HBV-transfected hepatoma cell lines were constructed for in vitro study. HBV-infected animal model was established in vivo study. Quantitative real-time reverse transcription PCR (qRT-PCR) was used to determine mRNA expressions. Western blotting and ELISA were used to determine protein expressions. Luciferase reporter and biotin pull-down assays were used to analyze RNA-RNA interactions. siRNA silencing was used to knockdown miR-3613-3p and CMPK1. RESULTS MiR-3613-3p was upregulated in the chronic hepatitis B patients, as compared with healthy volunteers. Inhibition of miR-3613-3p decreased relative expressions of IFN-α and IFN-β, HBV DNA copies, and increased the hepatitis B surface antigen (HBsAg) and hepatitis B e antigen (HBeAg) levels, whereas miR-3613-3p overexpression reversed these changes in vitro and in vivo. MiR-3613-3p directly targeted CMPK1 and interactions between CMPK1 and miR-3613-3p regulated the anti-HBV efficiency of IFN. CONCLUSION MiR-3613-3p impaired IFN-induced immune response by targeting CMPK1 in chronic hepatitis B.
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Affiliation(s)
- Yanping Zhao
- First Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, Hangzhou 310005, Zhejiang, China
| | - Yaping Yu
- First Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, Hangzhou 310005, Zhejiang, China
| | - Lei Ye
- First Affiliated Hospital of Zhejiang University of Traditional Chinese Medicine, Hangzhou 310005, Zhejiang, China.
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Guimarães LCDC, Brunini S, Guimarães RA, Galdino-Júnior H, Minamisava R, da Cunha VE, Santos JRS, Silveira-Lacerda EDP, Souza CM, de Oliveira VLB, Albernaz GC, de Menezes TG, Rezza G. Epidemiology of hepatitis B virus infection in people living in poverty in the central-west region of Brazil. BMC Public Health 2019; 19:443. [PMID: 31035990 PMCID: PMC6489193 DOI: 10.1186/s12889-019-6828-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/15/2019] [Indexed: 02/07/2023] Open
Abstract
Background People living in poverty (PLP) are highly vulnerable to hepatitis B virus (HBV) infection. This study aimed to investigate the epidemiology of HBV infection in PLP in the metropolitan region of Goiânia, Goiás State, in the Central-West Region of Brazil. Methods A cross-sectional study was conducted from August to December 2016 in adults aged ≥12 years living in poverty. The following serological markers for HBV were investigated: hepatitis B surface antigen (HBsAg), antibody to HBV core antigen (total anti-HBc), IgM anti-HBc, and hepatitis B surface antibody (anti-HBs), which were detected by enzyme-linked immunosorbent assay (ELISA). Poisson regression analysis with robust variance was performed to verify the factors associated with HBV exposure. Results The study included 378 participants. The overall prevalence rate of HBV (any viral marker) was 9.8% (95% confidence interval [CI], 7.2–13.2). The prevalence rate of HBsAg in combination with total anti-HBc was 0.8% (95% CI, 0.3–2.4), total anti-HBc in combination with anti-HBs was 7.7% (95% CI, 5.4–10.9), and total anti-HBc alone was 1.3% (95% CI, 0.5–3.0) in the population. Furthermore, isolated positivity for anti-HBs was identified in only 25.4% (95% CI, 21.3–30.0) of the participants. Multiple regression analysis revealed that age (adjusted prevalence ratio [APR], 1.04; 95% CI, 1.01–1.07), female sex (APR, 2.18; 95% CI, 1.01–4.73), sexual intercourse under the influence of alcohol (APR, 2.49; 95% CI, 1.36–7.06), and exposure to Treponema pallidum (APR, 3.10; 95% CI, 1.36–7.06) were associated with HBV exposure. Conclusion There was a high prevalence of HBV exposure in PLP in the Central-West Region of Brazil, indicating significant viral spread of the infection. Additionally, there was low serological evidence of immunisation against hepatitis B, indicating that a large proportion of the participants in this study are susceptible to the infection. The results support the need for public health policies that facilitate access to the existing healthcare services in hard-to-reach groups with special regard to immunisation programmes against hepatitis B.
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Affiliation(s)
| | - Sandra Brunini
- Faculty of Nursing, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Rafael Alves Guimarães
- Instituto de Patologia Tropical e Saúde Pública, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | - Ruth Minamisava
- Faculty of Nursing, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | | | | | | | | | | | - Thiago Guida de Menezes
- Secretaria de Estado da Saúde de Goiás/Coordenação Estadual de Controle das Hepatites Virais - CECHV, Goiânia, Goiás, Brazil
| | - Giovanni Rezza
- Department of Infectious Diseases, Istituto Superiore di Sanitá, Rome, Italy.
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Wang J, Zhao G, Chen J, Xia J, Wang S, Huang G, Chen F, Shi J, Yang Y, Wei Y. Association of hepatitis B infection with high-risk complications in total joint arthroplasty. BMC Musculoskelet Disord 2019; 20:163. [PMID: 30971239 DOI: 10.1186/s12891-019-2535-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 03/26/2019] [Indexed: 12/14/2022] Open
Abstract
Background An increasing number of patients with hepatitis B virus (HBV) infection are undergoing total joint arthroplasty (TJA) surgery in China. Less attention is provided to the special populations and the purpose of this study is to assess the effect of HBV infection on the prognosis TJAs. Methods We retrospectively reviewed patients who underwent elective primary hip and knee arthroplasties in Shanghai Huashan Hospital from 2013 to 2016. Non-hepatitis B cohort was built to match the case cohort to identify whether HBV infection was a risk factor associated with postoperative complications. A total number of 196 patients who underwent primary TJAs were involved in the study, including 49 patients with hepatitis B and 147 non-hepatitis B subjects. Results Among all the patients with TJAs, 5.5% of patients were infected with HBV for the first time. The incidence rate of complications in patients after arthroplasty with hepatitis B infection was significantly higher than that in patients without hepatitis B (10.2% compared to 4.7%, P < 0.01). Surgical related complications (6.1% compared to 3.4%) and general medical complications (4.1% compared to 1.3%) were higher than those in non-B hepatitis group. Compared with non-B hepatitis group, the overall risk of hepatitis B infection increased by 25% (95% CI, 1.04–1.46; p < 0.01). Similar results were obtained for medical and surgical complications. HBV infection presented a 31% increased risk (95% CI, 1.02–1.62; p < 0.01) for medical complication and an 18% increased risk (95% CI, 1.10–1.26; p < 0.01) for surgical complication. No statistical difference was found between the surgical methods and sex. However, a significant difference of C-reactive protein (CRP) level was found between HBV infection group and the matched non-infected group (P < 0.01). Conclusion This is the first study to investigate the risk of perioperative complications of hepatitis B in Chinese TJAs patients. In consideration of the large population of HBV infection in China, more attention and medical care should be provided to patients with HBV infection who need to undergo TJA operation.
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Bittaye M, Idoko P, Ekele BA, Obed SA, Nyan O. Hepatitis B virus sero-prevalence amongst pregnant women in the Gambia. BMC Infect Dis 2019; 19:259. [PMID: 30876397 PMCID: PMC6419830 DOI: 10.1186/s12879-019-3883-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 03/06/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Infection with Hepatitis B virus (HBV) is a serious public health problem worldwide, with over 360 million carriers. Sixty million of these are resident in Sub-saharan Africa. Hepatitis B infection is the cause of Hepatocellular carcinoma (HCC), which is the second commonest cause of death from cancers among women in The Gambia. Vertical transmission is the commonest route of spread of Hepatitis B Virus in many endemic areas. The main aim of the study was to determine the sero-prevalence of Hepatitis B surface antigen (HBsAg) among pregnant women attending antenatal clinic at the Edward Francis Small Teaching Hospital, Banjul, The Gambia. METHODS Four hundred and twenty six pregnant women were recruited from our antenatal clinics and tested for HBsAg. Serum Hepatitis B surface antigen (HBsAg) was tested using commercial rapid diagnostic Elisa kits at the point of care. RESULTS A prevalence rate of 9.20% among all pregnant women studied was found. Women who were likely to have been vaccinated had a prevalence rate of 2.30% whiles those unlikely to have been vaccinated had a prevalence of 13.71%. There was a statistically significant difference between those likely to have been vaccinated and those unlikely to have been vaccinated. CONCLUSION The prevalence of hepatitis B infection is very high among pregnant women at EFSTH as in the high endemic zone that is more than 8%. However the prevalence rate is lower than the national average of 15%. The prevalence is of moderate endemicity among the women who likely received vaccination during childhood. More interventions during pregnancy need to be undertaken if more successes are to be registered.
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Affiliation(s)
- Mustapha Bittaye
- Edward Francis Small Teaching Hospital, Banjul, The Gambia
- School of Medicine & Allied Health Sciences, University of The Gambia, Brikama, Gambia
| | - Patrick Idoko
- Edward Francis Small Teaching Hospital, Banjul, The Gambia
- School of Medicine & Allied Health Sciences, University of The Gambia, Brikama, Gambia
| | | | - Samuel Amenyi Obed
- Korle Bu Teaching Hospital, School of Medicine, University Of Ghana, Accra, Ghana
| | - Ousman Nyan
- Edward Francis Small Teaching Hospital, Banjul, The Gambia
- School of Medicine & Allied Health Sciences, University of The Gambia, Brikama, Gambia
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Saquib S, Ibrahim W, Othman A, Assiri M, Al-Shari H, Al-Qarni A. Exploring the Knowledge, Attitude and Practice Regarding Hepatitis B Infection Among Dental Students in Saudi Arabia: A Cross-Sectional Study. Open Access Maced J Med Sci 2019; 7:805-809. [PMID: 30962845 PMCID: PMC6447321 DOI: 10.3889/oamjms.2019.111] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/17/2019] [Accepted: 01/19/2019] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Hepatitis B infection is a universal health problem. Worldwide, 5% of health-care-related injections continued unsafe. Dentist considers being at high-risk group for cross infection. Therefore, their knowledge and practice towards Hepatitis B virus (HBV) positive patients should be at an optimal level. AIM The current study is aimed to evaluate and comparison of the knowledge, attitude and practice of Saudi dental students and interns towards HBV infection. METHODS A self-explanatory questionnaire comprising of 16 questions was designed to assess and compare students' knowledge, attitude and risk perception regarding hepatitis B infection among dental students across Saudi Arabia. RESULTS The response rate was 91.6% the overall knowledge of the participants was poor. The attitude was fair, with the female show a significant difference in attitude and practice (P-value < 0.05). The overall practice was good, 78.1% was vaccinated against HBV, and 73.2% stated that they regularly use personal protection equipment. The higher levels show a good attitude and practice compared with the lower levels; the difference was significant (P value < 0.05). CONCLUSION The overall knowledge was below average, continuous health education courses are mandatory.
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Affiliation(s)
- Shahabe Saquib
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Weam Ibrahim
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Ali Othman
- College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Mohammed Assiri
- College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Hamoud Al-Shari
- College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Ali Al-Qarni
- College of Dentistry, King Khalid University, Abha, Saudi Arabia
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Dezhbord M, Lee S, Kim W, Seong BL, Ryu WS. Characterization of the molecular events of covalently closed circular DNA synthesis in de novo Hepatitis B virus infection of human hepatoma cells. Antiviral Res 2019; 163:11-18. [PMID: 30639437 DOI: 10.1016/j.antiviral.2019.01.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 12/19/2018] [Accepted: 01/09/2019] [Indexed: 12/27/2022]
Abstract
Despite the utmost importance of cccDNA in HBV biology, the mechanism by which cccDNA synthesis is regulated is not completely understood. Here we explored HepG2-NTCP cell line and performed a time-course HBV infection experiment (up to 30 days) to follow the conversion of the input viral DNA into cccDNA. We found that a protein-free RC DNA (PF-RC DNA) become detectable as early as 12 h post infection (hpi) prior to the detection of cccDNA, which become evident only at 2-3 dpi. Intriguingly, the PF-RC DNA detected at 12 hpi was abundantly located in the cytoplasm, implicating that the protein-removal from the input viral DNA takes place in the cytoplasm, perhaps inside the nucleocapsid. Notably, during the early time points of HBV infection, the PF-RC DNA accumulated at significantly higher levels and appeared in a peak followed by a plateau at late time points with dramatically lower levels, implicating the presence of two distinct populations of the PF-RC DNA. Importantly, the PF-RC DNA at earlier peak is entecavir (ETV)-resistant, whereas the PF-RC DNA at posterior days is ETV-sensitive. An interpretation is that the PF-RC DNA at earlier peak represents "input viral DNA" derived from HBV inoculum, whereas the PF-RC DNA at late time points represents the de novo product of the viral reverse transcription. The existence of two populations of the PF-RC DNA having a distinct kinetic profile and ETV-sensitivity implicated that intracellular amplification via the viral reverse transcription greatly contributes to the maintenance of cccDNA pool during HBV infection. As such, we concluded that the cccDNA level is stably maintained by continuing replenishment of cccDNA primarily through intracellular amplification in the HepG2-NTCP cell line.
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Affiliation(s)
- Mehrangiz Dezhbord
- Department of Biotechnology, College of Life Science & Biotechnology, Yonsei University, Seoul, South Korea
| | - Sooyoung Lee
- Department of Biochemistry, College of Life Science & Biotechnology, Yonsei University, Seoul, South Korea
| | - Woohyun Kim
- Department of Biochemistry, College of Life Science & Biotechnology, Yonsei University, Seoul, South Korea
| | - Baik Lin Seong
- Department of Biotechnology, College of Life Science & Biotechnology, Yonsei University, Seoul, South Korea.
| | - Wang-Shick Ryu
- Department of Biochemistry, College of Life Science & Biotechnology, Yonsei University, Seoul, South Korea.
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Rajamoorthy Y, Taib NM, Munusamy S, Anwar S, Wagner AL, Mudatsir M, Müller R, Kuch U, Groneberg DA, Harapan H, Khin AA. Knowledge and awareness of hepatitis B among households in Malaysia: a community-based cross-sectional survey. BMC Public Health 2019; 19:47. [PMID: 30630464 PMCID: PMC6327400 DOI: 10.1186/s12889-018-6375-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 12/27/2018] [Indexed: 12/31/2022] Open
Abstract
Background Hepatitis B (HepB) is a major public health concern in Malaysia yet little is known about knowledge and awareness of this infection in the country. Such information is essential for designing effective intervention strategies for HepB prevention and control. The aim of this study was to characterize knowledge and awareness regarding HepB in Malaysia and to identify their associated sociodemographic determinants. Methods A community-based cross-sectional survey was conducted between January and May 2016 in Selangor state of Malaysia. A two-stage cluster random sampling design was used and one adult member of selected households was interviewed face-to-face. Logistic regression was used to estimate the differences in knowledge and awareness between groups. Results A total of 764 households completed the interviews and were included in the final analysis. Only 36.9 and 38.8% of the participants had good knowledge and awareness, respectively. The factors associated with good knowledge were being in the 35–44 year age group, Malay ethnicity, high educational attainment and high family income. Being Chinese, being older and having high educational attainment were determinants of having good awareness towards HepB. Participants who had good knowledge were 2.5 times more likely to also have good awareness (OR: 2.41, 95% CI: 1.78–3.26, p < 0.001). Conclusions This study reveals a low level of knowledge and awareness of HepB among households in Malaysia. This finding highlights the need to improve public knowledge and awareness through well-designed programs targeting vulnerable groups in order to reduce hepatitis B virus transmission and achieve the governmental target of eliminating viral hepatitis as a public health concern by 2030. Electronic supplementary material The online version of this article (10.1186/s12889-018-6375-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yogambigai Rajamoorthy
- Department of Economics, Faculty of Accountancy and Management, Universiti Tunku Abdul Rahman, Sungai Long Campus, Jalan Sungai Long, Cheras, 43000, Kajang, Selangor, Malaysia.
| | - Niazlin Mohd Taib
- Department of Medical Microbiology and Parasitology, Faculty of Medicine and Health Science, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Subramaniam Munusamy
- School of Management and Business, Manipal International University, Putra Nilai, Negeri Sembilan, Malaysia
| | - Samsul Anwar
- Department of Statistics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh, Indonesia
| | | | - Mudatsir Mudatsir
- Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Jl. T. Tanoeh Abe, Darussalam, Banda Aceh, 23111, Indonesia. .,Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia.
| | - Ruth Müller
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany.,Unit of Medical Entomology, Institute of Tropical Medicine, Antwerp, Belgium
| | - Ulrich Kuch
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
| | - David Alexander Groneberg
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University, Frankfurt am Main, Germany
| | - Harapan Harapan
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Jl. T. Tanoeh Abe, Darussalam, Banda Aceh, 23111, Indonesia. .,Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh, Indonesia. .,School of Biomedical Sciences, University of Western Australia, Nedlands, Western Australia, Australia.
| | - Aye Aye Khin
- Department of Economics, Faculty of Accountancy and Management, Universiti Tunku Abdul Rahman, Sungai Long Campus, Jalan Sungai Long, Cheras, 43000, Kajang, Selangor, Malaysia
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Akcay IM, Katrinli S, Ozdil K, Doganay GD, Doganay L. Host genetic factors affecting hepatitis B infection outcomes: Insights from genome-wide association studies. World J Gastroenterol 2018; 24:3347-3360. [PMID: 30122875 PMCID: PMC6092584 DOI: 10.3748/wjg.v24.i30.3347] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 05/29/2018] [Accepted: 06/25/2018] [Indexed: 02/06/2023] Open
Abstract
The clinical outcome of Hepatitis B Virus (HBV) infection depends on the success or failure of the immune responses to HBV, and varies widely among individuals, ranging from asymptomatic self-limited infection, inactive carrier state, chronic hepatitis, cirrhosis, hepatocellular carcinoma, to liver failure. Genome-wide association studies (GWAS) identified key genetic factors influencing the pathogenesis of HBV-related traits. In this review, we discuss GWAS for persistence of HBV infection, antibody response to hepatitis B vaccine, and HBV-related advanced liver diseases. HBV persistence is associated with multiple genes with diverse roles in immune mechanisms. The strongest associations are found within the classical human leukocyte antigen (HLA) genes, highlighting the central role of antigen presentation in the immune response to HBV. Associated variants affect both epitope binding specificities and expression levels of HLA molecules. Several other susceptibility genes regulate the magnitude of adaptive immune responses, determining immunity vs tolerance. HBV persistence and nonresponse to vaccine share the same risk variants, implying overlapping genetic bases. On the other hand, the risk variants for HBV-related advanced liver diseases are largely different, suggesting different host-virus dynamics in acute vs chronic HBV infections. The findings of these GWAS are likely to pave the way for developing more effective preventive and therapeutic interventions by personalizing the management of HBV infection.
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Affiliation(s)
- Izzet Mehmet Akcay
- Department of Molecular Biology and Genetics, Istanbul Technical University, Istanbul 34469, Turkey
| | - Seyma Katrinli
- Department of Molecular Biology and Genetics, Istanbul Technical University, Istanbul 34469, Turkey
| | - Kamil Ozdil
- Department of Gastroenterology and Hepatology, Umraniye Teaching and Research Hospital, Istanbul 34764, Turkey
| | - Gizem Dinler Doganay
- Department of Molecular Biology and Genetics, Istanbul Technical University, Istanbul 34469, Turkey
| | - Levent Doganay
- Department of Gastroenterology and Hepatology, Umraniye Teaching and Research Hospital, Istanbul 34764, Turkey
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Kuscuoglu D, Janciauskiene S, Hamesch K, Haybaeck J, Trautwein C, Strnad P. Liver - master and servant of serum proteome. J Hepatol 2018; 69:512-524. [PMID: 29709680 DOI: 10.1016/j.jhep.2018.04.018] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 04/13/2018] [Accepted: 04/16/2018] [Indexed: 12/20/2022]
Abstract
Hepatocytes synthesise the majority of serum proteins. This production occurs in the endoplasmic reticulum (ER) and is adjusted by complex local and systemic regulatory mechanisms. Accordingly, serum levels of hepatocyte-made proteins constitute important biomarkers that reflect both systemic processes and the status of the liver. For example, C-reactive protein is an established marker of inflammatory reaction, whereas transferrin emerges as a liver stress marker and an attractive mortality predictor. The high protein flow through the ER poses a continuous challenge that is handled by a complex proteostatic network consisting of ER folding machinery, ER stress response, ER-associated degradation and autophagy. Various disorders disrupt this delicate balance and result in protein accumulation in the ER. These include chronic hepatitis B infection with overproduction of hepatitis B surface antigen or inherited alpha1-antitrypsin deficiency that give rise to ground glass hepatocytes and alpha1-antitrypsin aggregates, respectively. We review these ER storage disorders and their downstream consequences. The interaction between proteotoxic stress and other ER challenges such as lipotoxicity is also discussed. Collectively, this article aims to sharpen our view of liver hepatocytes as the central hubs of protein metabolism.
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Affiliation(s)
- Deniz Kuscuoglu
- Medical Clinic III, Gastroenterology, Metabolic Diseases and Intensive Care, University Hospital RWTH Aachen, Aachen, Germany; The Interdisciplinary Center for Clinical Research (IZKF), University Hospital Aachen, Aachen, Germany
| | - Sabina Janciauskiene
- Department of Respiratory Medicine, Hannover Medical School, BREATH, German Center for Lung Research (DZL), Hannover, Germany
| | - Karim Hamesch
- Medical Clinic III, Gastroenterology, Metabolic Diseases and Intensive Care, University Hospital RWTH Aachen, Aachen, Germany
| | - Johannes Haybaeck
- Institute of Pathology, Medical University Graz, Graz, Austria; Department of Pathology, Medical Faculty, Otto-von-Guericke University of Magdeburg, Magdeburg, Germany
| | - Christian Trautwein
- Medical Clinic III, Gastroenterology, Metabolic Diseases and Intensive Care, University Hospital RWTH Aachen, Aachen, Germany
| | - Pavel Strnad
- Medical Clinic III, Gastroenterology, Metabolic Diseases and Intensive Care, University Hospital RWTH Aachen, Aachen, Germany; The Interdisciplinary Center for Clinical Research (IZKF), University Hospital Aachen, Aachen, Germany.
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Maponga TG, Andersson MI, van Rensburg CJ, Arends JE, Taljaard J, Preiser W, Glashoff RH. HBV and HIV viral load but not microbial translocation or immune activation are associated with liver fibrosis among patients in South Africa. BMC Infect Dis. 2018;18:214. [PMID: 29739341 PMCID: PMC5941637 DOI: 10.1186/s12879-018-3115-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 04/25/2018] [Indexed: 02/06/2023] Open
Abstract
Background Co-infection with HIV negatively impacts the progression of chronic hepatitis B virus (HBV) infection, including causing rapid progression to liver fibrosis. Sub-Saharan Africa represents arguably the most important intersection of high endemicity of both chronic hepatitis B virus (HBV) infection and HIV infection. Methods We recruited 46 HBV/HIV-co-infected; 47 HBV-monoinfected; 39 HIV-monoinfected; and 37 HBV/HIV-uninfected patients from Tygerberg Hospital, Cape Town, South Africa. All HIV-infected patients were on antiretroviral therapy for ≥3 months. Liver stiffness measurements were assessed using the Fibroscan (Fibroscan 402, Echosens). Cell-based immunomarkers were measured by flow cytometry. Soluble serum/plasma immunomarkers were measured by Luminex technology and enzyme immunoassays. HIV (COBAS/Ampliprep TaqMan HIV-1) and HBV viral loads (in-house assay) were also performed. Results HBV/HIV co-infected patients showed significantly higher levels of immune activation %CD8+/HLA-DR+/CD38+ (median 30%, interquartile range: 17–53) and %CD8+/PD-1 (median 22%, interquartile range: 15–33), p ≤ 0.01 compared to all other study groups. Despite this, the HBV-mono-infected group had the highest proportion of patients with advanced liver fibrosis (≥13 kPa) as measured by Fibroscan (18%). HBV mono-infected patients showed highest expression of most cytokines including IL-17 and basic fibroblastic growth factor. There was significant positive correlation between detectable HIV and HBV viral replication and liver fibrosis but not immune activation or gut translocation. Discussion Highly-active antiretroviral therapy, including tenofovir, is effective against both HIV and HBV. Earlier therapy in the co-infected patients may therefore have controlled viral replication leading to better fibrosis scores when compared to HBV mono-infection in this study. On-going HBV and HIV viraemia, rather than microbial translocation or immune activation, appear to be the drivers of liver fibrosis. Moderate to advanced liver fibrosis in HBV-mono-infection may well indicate poor access to screening and treatment of HBV infection. Electronic supplementary material The online version of this article (10.1186/s12879-018-3115-8) contains supplementary material, which is available to authorized users.
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Terasaki G, Desai A, McKinney CM, Haider MZ. Seroprevalence of Hepatitis B Infection Among Immigrants in a Primary Care Clinic: A Case for Granular Ethnicity and Language Data Collection. J Immigr Minor Health 2017; 19:987-90. [PMID: 28035646 DOI: 10.1007/s10903-016-0543-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Chronic hepatitis B virus (HBV) infection is highly prevalent worldwide and is most often diagnosed through screening efforts. In order to identify the specific ethnic groups at greatest risk, it is necessary to go beyond traditional categories. We conducted a retrospective case series in a primary care clinic serving non-English speaking immigrants to determine the prevalence of HBV among patients of various primary spoken languages (used as a proxy for ethnicity). Among the 1378 patients, the overall prevalence of current infection was 8%. HBV infection was markedly higher among Somali, Oromo and Khmer speakerscompared to other groups. This study illustrates the use of granular language data in describing the serologic profiles of HBV infection among non-English speaking patients in primary care setting. The variations in prevalence by language have implications for public health HBV screening efforts, in addition to suggesting potential risk factors for transmission.
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Koshiol J, Liu Z, O'Brien TR, Hildesheim A. Beasley's 1981 paper: The power of a well-designed cohort study to drive liver cancer research and prevention. Cancer Epidemiol 2018; 53:195-9. [PMID: 29396075 DOI: 10.1016/j.canep.2018.01.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 01/05/2018] [Accepted: 01/11/2018] [Indexed: 12/25/2022]
Abstract
The 1981 Lancet paper by Beasley et al., "Hepatocellular carcinoma and hepatitis B virus. A prospective study of 22707 men in Taiwan" is a seminal publication that clearly demonstrated that chronic infection with hepatitis B virus (HBV), as measured by seropositivity for the hepatitis B surface antigen (HBsAg), preceded the development of hepatocellular carcinoma (HCC). In doing so, this study paved the way for liver cancer prevention efforts through the implementation of hepatitis B vaccination programs. In this commentary, we will describe the discovery of HBV, which led to the study by Beasley et al.; summarize the major findings of the Beasley paper and its implications; discuss the importance of well-designed cohort studies for prevention activities; and consider the ramifications of the Beasley study and the work that has followed since.
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Shedain PR, Devkota MD, Banjara MR, Ling H, Dhital S. Prevalence and risk factors of hepatitis B infection among mothers and children with hepatitis B infected mother in upper Dolpa, Nepal. BMC Infect Dis 2017; 17:667. [PMID: 29017456 PMCID: PMC5633872 DOI: 10.1186/s12879-017-2763-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 09/25/2017] [Indexed: 12/26/2022] Open
Abstract
Background Hepatitis B Virus (HBV) infection is a worldwide public health problem. In Nepal, the prevalence of HBV is found to be low (0.9%), although high prevalence (≥8%) of HBV infection is depicted among subgroup/population in the mountain region by various studies. This study assessed the prevalence and the risk of HBV infection among mothers, as well as among the youngest child under 5 years old living with hepatitis B positive mothers in Dolpa, the most remote mountain district of Nepal. Methods The cross sectional study survey was conducted between June and July 2014. All mothers with their youngest child under 5 years old were invited to participate in the survey and tested for hepatitis B surface antigen (HBsAg). The HBsAg positive mothers were further tested by 5-panel HBV test card. Children living with HBsAg positive mothers were also tested for HBsAg. Results One hundred fifty-one mothers, comprising 37% of the total study population in the selected Village Development Committees (VDCs), were surveyed in the mobile health camps. The seroprevalence of HBsAg among mothers and their youngest child under 5 years old living with HBsAg positive mothers were 17% (95% CI, 11.01–22.99%) and 48% (95%CI, 28.42–67.58%) respectively. The majority of HBV infected mothers were indigenous (84%) followed by Dalit (4%) and other castes (12%). Among HBV infected mothers, 40% were hepatitis B envelope antigen (HBeAg) positive. The prevalence of HBsAg was higher among children living with HBeAg positive mothers as compared to HBeAg negative (60% vs 40%) and male children compared to female (60% vs 33%). Thirty-six percent of children were vaccinated with a full course of the hepatitis B vaccine. Of these vaccinated children, 56% were HBsAg sero-positive. Conclusions The HBV infection rate is high among mothers and children living with HBsAg positive mothers in the indigenous population of the most remote mountain community of Nepal.
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Affiliation(s)
- Purusotam Raj Shedain
- Department of Community Medicine and Public Health, Institute of Medicine/Ministry of Health, RamshahPath, Kathmandu, Nepal.
| | - Madhu Dixit Devkota
- Department of Community Medicine and Public Health, Institute of Medicine, Tribhuvan University, Kathmandu, Nepal
| | - Megha Raj Banjara
- Central Department of Microbiology, Tribhuvan University (TU), Kirtipur, Kathmandu, Nepal
| | - Huang Ling
- Department of Preventive Medicine, Medical College of CTGU/Department of Community Medicine and Public Health, Institute of Medicine, Kathmandu, Nepal
| | - Subash Dhital
- National Public Health Laboratory, Department of Health Services, Teku, Kathmandu, Nepal
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Gholami Parizad E, Gerami Matin H, Gholami Parizad E, Khosravi A. The Prevalence of Hearing Loss in Patients with Hepatitis B Infection Compared with Healthy Volunteers. Iran J Otorhinolaryngol 2017; 29:127-132. [PMID: 28589105 PMCID: PMC5448026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Hepatitis B virus is a virus that creates significant hepatic and extra-hepatic complications, with widespread prevalence across the community and body systemic involvement, and can impact on hearing performance. This study aims to evaluate hearing loss among individuals with hepatitis B compared with healthy subjects. MATERIALS AND METHODS In this case-control study, 83 HBsAg-positive patients with a 1-year history of disease were selected for pure tone audiometry (PTA) testing, while 108 HBsAg-negative patients were selected as the control group. Subjects in both groups were aged 20-40 years. The threshold was set at 25 db for hearing loss. Final data were analyzed using SPSS software. RESULTS Significant differences were found between the case group and control group in average PTA and hearing loss. There was also a significant difference between the two groups in average PTA at frequencies of 250, 4,000, and 8,000 Hz, but not at speech frequencies of 500, 1,000 and 2,000 Hz, despite the difference in average PTA. CONCLUSION According to significant differences in average PTA between patients with hepatitis B virus and healthy subjects in this study, hearing loss may be attributed to the presence HBV of in the patient group.
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Affiliation(s)
| | - Houshang Gerami Matin
- Nose and Sinus Disease Research Canter, Amiralmomenin Hospital, Guilan University of Medical Science, Rasht, Iran.
| | - Eskandar Gholami Parizad
- Psychosocial Injuries Prevention Research Centre, Ilam University of Medical Sciences, Ilam, Iran.,Corresponding Author: Shahid Keshvari Square, Psychosocial Injuries Prevention Research Centre, Ilam, Iran. Tell: +98 84 32240404, E-mail:
| | - Afra Khosravi
- Clinical Microbiology Research Centre, Ilam University of Medical Sciences, Ilam, Iran.
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Kayaaslan B, Guner R. Adverse effects of oral antiviral therapy in chronic hepatitis B. World J Hepatol 2017; 9:227-241. [PMID: 28261380 PMCID: PMC5316843 DOI: 10.4254/wjh.v9.i5.227] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 11/22/2016] [Accepted: 12/09/2016] [Indexed: 02/06/2023] Open
Abstract
Oral nucleoside/nucleotide analogues (NAs) are currently the backbone of chronic hepatitis B (CHB) infection treatment. They are generally well-tolerated by patients and safe to use. To date, a significant number of patients have been treated with NAs. Safety data has accumulated over the years. The aim of this article is to review and update the adverse effects of oral NAs. NAs can cause class adverse effects (i.e., myopathy, neuropathy, lactic acidosis) and dissimilar adverse effects. All NAs carry a “Black Box” warning because of the potential risk for mitochondrial dysfunction. However, these adverse effects are rarely reported. The majority of cases are associated with lamivudine and telbivudine. Adefovir can lead to dose- and time-dependent nephrotoxicity, even at low doses. Tenofovir has significant renal and bone toxicity in patients with human immunodeficiency virus (HIV) infection. However, bone and renal toxicity in patients with CHB are not as prominent as in HIV infection. Entecavir and lamivudine are not generally associated with renal adverse events. Entecavir has been claimed to increase the risk of lactic acidosis in decompensated liver disease and high Model for End-Stage Liver Disease scores. However, current studies reported that entecavir could be safely used in decompensated cirrhosis. An increase in fetal adverse events has not been reported with lamivudine, telbivudine and tenofovir use in pregnant women, while there is no adequate data regarding entecavir and adefovir. Further long-term experience is required to highlight the adverse effects of NAs, especially in special patient populations, including pregnant women, elderly and patients with renal impairment.
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Wandeler G, Mulenga L, Vinikoor MJ, Kovari H, Battegay M, Calmy A, Cavassini M, Bernasconi E, Schmid P, Bolton-Moore C, Sinkala E, Chi BH, Egger M, Rauch A. Liver fibrosis in treatment-naïve HIV-infected and HIV/HBV co-infected patients: Zambia and Switzerland compared. Int J Infect Dis 2016; 51:97-102. [PMID: 27596685 DOI: 10.1016/j.ijid.2016.08.028] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/25/2016] [Accepted: 08/30/2016] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE To examine the association between hepatitis B virus (HBV) infection and liver fibrosis in HIV-infected patients in Zambia and Switzerland. METHODS HIV-infected adults starting antiretroviral therapy in two clinics in Zambia and Switzerland were included. Liver fibrosis was evaluated using the aspartate aminotransferase-to-platelet-ratio index (APRI), with a ratio >1.5 defining significant fibrosis and a ratio >2.0 indicating cirrhosis. The association between hepatitis B surface antigen (HBsAg) positivity, HBV replication, and liver fibrosis was examined using logistic regression. RESULTS In Zambia, 96 (13.0%) of 739 patients were HBsAg-positive compared to 93 (4.5%) of 2058 in Switzerland. HBsAg-positive patients were more likely to have significant liver fibrosis than HBsAg-negative ones: the adjusted odds ratio (aOR) was 3.25 (95% confidence interval (CI) 1.44-7.33) in Zambia and 2.50 (95% CI 1.19-5.25) in Switzerland. Patients with a high HBV viral load (≥20000 IU/ml) were more likely to have significant liver fibrosis compared to HBsAg-negative patients or patients with an undetectable viral load: aOR 3.85 (95% CI 1.29-11.44) in Zambia and 4.20 (95% CI 1.64-10.76) in Switzerland. In both settings, male sex was a strong risk factor for significant liver fibrosis. CONCLUSIONS Despite the differences in HBV natural history between Sub-Saharan Africa and Europe, the degree of liver fibrosis and the association with important risk factors were similar.
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Affiliation(s)
- Gilles Wandeler
- Department of Infectious Diseases, Bern University Hospital and University of Bern, CH-3010 Bern, Switzerland; Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.
| | - Lloyd Mulenga
- Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Medicine, University of Zambia, Lusaka, Zambia
| | - Michael J Vinikoor
- Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Helen Kovari
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | | | | | | | | | | | - Carolyn Bolton-Moore
- Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Edford Sinkala
- Department of Medicine, University of Zambia, Lusaka, Zambia
| | - Benjamin H Chi
- Centre for Infectious Disease Research in Zambia, Lusaka, Zambia
| | - Matthias Egger
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland; Centre for Infectious Disease Epidemiology and Research, University of Cape Town, South Africa
| | - Andri Rauch
- Department of Infectious Diseases, Bern University Hospital and University of Bern, CH-3010 Bern, Switzerland
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Zeybel M, Vatansever S, Hardy T, Sarı AA, Cakalağaoğlu F, Avcı A, Zeybel GL, Karahüseyinoğlu S, Bashton M, Mathers JC, Ünsal B, Mann J. DNA methylation profiling identifies novel markers of progression in hepatitis B-related chronic liver disease. Clin Epigenetics 2016; 8:48. [PMID: 27152124 PMCID: PMC4857425 DOI: 10.1186/s13148-016-0218-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 04/28/2016] [Indexed: 12/19/2022] Open
Abstract
Background Chronic hepatitis B infection is characterized by hepatic immune and inflammatory response with considerable variation in the rates of progression to cirrhosis. Genetic variants and environmental cues influence predisposition to the development of chronic liver disease; however, it remains unknown if aberrant DNA methylation is associated with fibrosis progression in chronic hepatitis B. Results To identify epigenetic marks associated with inflammatory and fibrotic processes of the hepatitis B-induced chronic liver disease, we carried out hepatic genome-wide methylation profiling using Illumina Infinium BeadArrays comparing mild and severe fibrotic disease in a discovery cohort of 29 patients. We obtained 310 differentially methylated regions and selected four loci comprising three genes from the top differentially methylated regions: hypermethylation of HOXA2 and HDAC4 along with hypomethylation of PPP1R18 were significantly linked to severe fibrosis. We replicated the prominent methylation marks in an independent cohort of 102 patients by bisulfite modification and pyrosequencing. The timing and causal relationship of epigenetic modifications with disease severity was further investigated using a cohort of patients with serial biopsies. Conclusions Our findings suggest a linkage of widespread epigenetic dysregulation with disease progression in chronic hepatitis B infection. CpG methylation at novel genes sheds light on new molecular pathways, which can be potentially exploited as a biomarker or targeted to attenuate inflammation and fibrosis. Electronic supplementary material The online version of this article (doi:10.1186/s13148-016-0218-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Müjdat Zeybel
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK.,School of Medicine, Koç University Hospital, Koç University, 4th floor- M-4220. Davutpaşa Caddesi no: 4, 34010 Istanbul, Turkey
| | - Sezgin Vatansever
- Department of Gastroenterology and Hepatology, Katip Çelebi University, Atatürk Eğitim ve Araştırma Hastanesi, Izmir, Turkey
| | - Timothy Hardy
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Ayşegül Akder Sarı
- Department of Pathology, Katip Çelebi University, Atatürk Eğitim ve Araştırma Hastanesi, Izmir, Turkey
| | - Fulya Cakalağaoğlu
- Department of Pathology, Katip Çelebi University, Atatürk Eğitim ve Araştırma Hastanesi, Izmir, Turkey
| | - Arzu Avcı
- Department of Pathology, Katip Çelebi University, Atatürk Eğitim ve Araştırma Hastanesi, Izmir, Turkey
| | - Gemma Louise Zeybel
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Serçin Karahüseyinoğlu
- School of Medicine, Koç University Hospital, Koç University, 4th floor- M-4220. Davutpaşa Caddesi no: 4, 34010 Istanbul, Turkey
| | - Matthew Bashton
- Bioinformatics Support Unit, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - John C Mathers
- Human Nutrition Research Centre, Newcastle University, Newcastle upon Tyne, UK
| | - Belkıs Ünsal
- Department of Gastroenterology and Hepatology, Katip Çelebi University, Atatürk Eğitim ve Araştırma Hastanesi, Izmir, Turkey
| | - Jelena Mann
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
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Ikobah J, Okpara H, Elemi I, Ogarepe Y, Udoh E, Ekanem E. The prevalence of hepatitis B virus infection in Nigerian children prior to vaccine introduction into the National Programme on Immunization schedule. Pan Afr Med J 2016; 23:128. [PMID: 27279955 PMCID: PMC4885699 DOI: 10.11604/pamj.2016.23.128.8756] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Accepted: 02/07/2016] [Indexed: 11/11/2022] Open
Abstract
Introduction Hepatitis B virus infection is a major global health problem of public health importance. In a bid to control the infection, the Nigerian government in 2004 introduced hepatitis B vaccine into the National Program on Immunization. There are no studies on the prevalence of hepatitis B in adolescent prior to 2004. The study was aimed at determining the seroprevalence and predictors of viral Hepatitis B in Nigerian children aged 11-19 years. Methods A cross sectional analytical study was conducted in July 2014. Multi-staged sampling technique was used to select 749 children from six secondary schools in Calabar, Cross River State, Nigeria. Ethical clearance was obtained from the Cross River State Medical Ethical Committee. A validated structured interviewer administered questionnaire was used to obtain information from participants following parental consent. Blood samples were obtained for qualitative detection of HBsAg using rapid chromatographic immunoassays with test kits from ABON (China) having sensitivity, specificity and accuracy of >99%, 97% and 98.5% respectively. Data was analyzed using SPSS version 20.2. Results Nine of the749 students screened were positive for HBsAg giving an overall prevalence of 1.2%. The sex specific prevalence was 0.8% for males and 1.8% for females. After multivariate analysis, age was the predictor of hepatitis B infection (OR 3.92; 95% CI 1.22-12.63; p-value 0.02). Conclusion The prevalence of HBV infection was low. Despite the low prevalence, the introduction of the vaccine is justifiable in view of the public health importance of the infection.
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Affiliation(s)
- Joanah Ikobah
- Department of Paediatrics, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
| | - Henry Okpara
- Department of Chemical Pathology, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
| | - Iwasam Elemi
- Department ofCommunity Medicine, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
| | - Yeonun Ogarepe
- Department of Chemical Pathology, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
| | - Ekong Udoh
- Department of Paediatrics, University of Uyo Teaching Hospital, Akwa Ibom State, Nigeria
| | - Emmanuel Ekanem
- Department of Paediatrics, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
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Onoe T, Tahara H, Tanaka Y, Ohdan H. Prophylactic managements of hepatitis B viral infection in liver transplantation. World J Gastroenterol 2016; 22:165-175. [PMID: 26755868 PMCID: PMC4698483 DOI: 10.3748/wjg.v22.i1.165] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 11/11/2015] [Accepted: 12/14/2015] [Indexed: 02/06/2023] Open
Abstract
Liver transplantation (LT) is a considerably effective treatment for patients with end-stage hepatitis B virus (HBV)-related liver disease. However, HBV infection often recurs after LT without prophylaxis. Since the 1990s, the treatment for preventing HBV reinfection after LT has greatly progressed with the introduction of hepatitis B immunoglobulin (HBIG) and nucleos(t)ide analogues (NAs), resulting in improved patient survival. The combination therapy consisting of high-dose HBIG and lamivudine is highly efficacious for preventing the recurrence of HBV infection after LT and became the standard prophylaxis for HBV recurrence. However, mainly due to the high cost of HBIG treatment, an alternative protocol for reducing the dose and duration of HBIG has been evaluated. Currently, combination therapy using low-dose HBIG and NAs is considered as the most efficacious and cost-effective prophylaxis for post-LT HBV reinfection. Recently, NA monotherapy and withdrawal of HBIG from combination therapy, along with the development of new, potent high genetic barrier NAs, have provided promising efficacy, especially for low-risk recipients. This review summarizes the prophylactic protocol and their efficacy including prophylaxis of de novo HBV infection from anti-HBc antibody-positive donors. In addition, challenging approaches such as discontinuation of all prophylaxis and active immunity through hepatitis B vaccination are discussed.
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Chong CCN, Wong GLH, Lai PBS. Impact of antiviral therapy on post-hepatectomy outcome for hepatitis B-related hepatocellular carcinoma. World J Gastroenterol 2014; 20:6006-6012. [PMID: 24876723 PMCID: PMC4033440 DOI: 10.3748/wjg.v20.i20.6006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Accepted: 03/19/2014] [Indexed: 02/06/2023] Open
Abstract
The outcome after curative resection for hepatocellular carcinoma (HCC) remains unsatisfactory due to the high recurrence rate after surgery. In patients with hepatitis B virus (HBV)-related HCC, which is the majority of patients with HCC in Asia, a high viral load is a strong risk factor for HCC recurrence. It is logical to believe that antiviral therapy may improve the post-operative outcome by promoting viral clearance and hepatocyte regeneration, as well as improving residual liver volume in HCC patients with hepatitis B. However, the effect of antiviral therapy on clinical outcomes after liver resection in patients with HBV-related HCC remains to be established. There are two main groups of antiviral treatment for HBV-oral nucleos(t)ide analogues and interferon. Interferon treatment reduces the overall incidence of HBV-related HCC in sustained responders. However, side effects may limit its long-term clinical application. Nucleos(t)ide analogues carry fewer side effects and are potent in terms of viral suppression when compared to interferon and are typically implemented for patients with more advanced liver diseases. They may also improve the outcome after curative resection for HBV-related HCC. There are increasing evidence to suggest that antiviral therapy could suppress HBV, decrease the perioperative reactivation of viral replication, reduce liver injury, preserve the liver function before and after operation, and may lower the risk of HCC recurrence. After all, antiviral therapy may improve the survival after liver resection by reducing recurrence and delaying the liver damage by the virus, resulting in a higher chance of receiving aggressive salvage therapy during HCC recurrence.
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Nishida N, Tokunaga K, Mizokami M. Genome-Wide Association Study Reveals Host Genetic Factors for Liver Diseases. J Clin Transl Hepatol 2013; 1:45-50. [PMID: 26357606 PMCID: PMC4521269 DOI: 10.14218/jcth.2013.010xx] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 05/13/2013] [Accepted: 05/22/2013] [Indexed: 12/11/2022] Open
Abstract
A number of disease-associated genetic markers for common liver diseases have been identified using genome-wide association studies (GWASs). The GWAS strategy is based on genome-wide single-nucleotide polymorphism typing technologies, which are now commercially available, accompanied by statistical methods to identify host genetic factors that are associated with target diseases or complex genetic traits. One of the most striking features of the GWAS strategy is the ability to identify unexpected disease-associated genetic markers across the entire human genome. Here, we describe the technological aspects of the GWAS strategy with examples from actual GWAS reports related to hepatitis research, including drug response for patients with chronic hepatitis C, susceptibility to primary biliary cirrhosis, and hepatitis-B-related hepatocellular carcinoma.
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Affiliation(s)
- Nao Nishida
- The Research Center for Hepatitis & Immunology, National Center for Global Health and Medicine, Ichikawa, Chiba, Japan
- Department of Human Genetics, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Katsushi Tokunaga
- Department of Human Genetics, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Masashi Mizokami
- The Research Center for Hepatitis & Immunology, National Center for Global Health and Medicine, Ichikawa, Chiba, Japan
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Nwolisa E, Mbanefo F, Ezeogu J, Amadi P. Prevalence of hepatitis B co-infection amongst HIV infected children attending a care and treatment centre in Owerri, South-eastern Nigeria. Pan Afr Med J 2013; 14:89. [PMID: 23646225 PMCID: PMC3641926 DOI: 10.11604/pamj.2013.14.89.1711] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 05/29/2012] [Indexed: 01/01/2023] Open
Abstract
Introduction Hepatitis B infection impacts negatively on disease progression in HIV infected children thereby increasing morbidity and mortality. In spite of the foregoing, there is paucity of data on Hepatitis B co-infection in children living with HIV in Owerri, South Eastern Nigeria.This study set out to determine the prevalence of Hepatitis B Co- infection in HIV infected children attending the Paediatric HIV Care and Treatment clinic of the Federal Medical Centre Owerri. Methods The study period was between February and July 2010. Testing for Hepatitis B infection was done using the ACON Hepatitis B surface antigen Rapid test strip. (Acon Laboratories Inc. San Diego.CA). Results A total of 139 HIV infected children were enrolled during the study period. The overall prevalence of Hepatitis B Co- infection was 5.8% (8/139). The prevalence in males was 8.2% (5/61) while in females it was 3.8% (3/78). The prevalence of Hepatitis B Co- infection amongst patients on antiretroviral therapy was 4.6%. They accounted for 62.5% of Hepatitis B Co- infection in our study. Previous blood transfusion, gender and age of patient did not show statistically significant relationship with Hepatitis B Co-infection. Conclusion Though our study shows a low prevalence of Hepatitis B co infection in HIV infected children in our centre, reduction of the rate is still strongly desirable. Reduction can be achieved by strengthing the uptake of Hepatitis B vaccine as part of the routine childhood immunization programme.
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Affiliation(s)
- Emeka Nwolisa
- Paediatric Infectious diseases Unit, Department of Paediatrics, Federal Medical Centre, Owerri Imo State, Nigeria
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Yacoub R, Al Ali R, Moukeh G, Lahdo A, Mouhammad Y, Nasser M. Hepatitis B vaccination status and needlestick injuries among healthcare workers in syria. J Glob Infect Dis 2011; 2:28-34. [PMID: 20300414 PMCID: PMC2840977 DOI: 10.4103/0974-777x.59247] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background: Although a majority of countries in the Middle East show intermediate or high endemicity of hepatitis B virus (HBV) infection, which clearly poses a serious public health problem in the region, the situation in the Republic of Syria remains unclear. The aim of this study is to determine the hepatitis B vaccination status, to assess the number of vaccinations administered, and to estimate the annual incidence of needlestick injuries (NSIs) among healthcare workers (HCWs) in Aleppo University hospitals. Materials and Methods: A cross-sectional design with a survey questionnaire was used for exploring details of NSIs during 2008, hepatitis B vaccination status, and HBV infection among a random stratified sample of HCWs in three tertiary hospitals in Aleppo (n = 321). Results: Two hundred and forty-six (76.6%) HCWs had sustained at least one NSI during 2008. Nine (2.8%) had HBV chronic infection and 75 HCWs (23.4%) were never vaccinated. Anesthesiology technicians had the greatest exposure risk when compared to office workers [OR = 16,95% CI (2.55-100), P < 0.01], doctors [OR = 10,95% CI (2.1 47.57), P < 0.01], and nurses [OR = 6.75,95% CI (1.56-29.03), P = 0.01]. HCWs under 25 and between the age of 25 and 35 years were at increased risk for NSI when compared to HCWs older than 45 years [OR = 3.12,95% CI (1.19-8.19), P = 0.02] and [OR = 3.05,95% CI (1.42-6.57), P < 0.01], respectively. Conclusion: HCWs at Aleppo University hospitals are frequently exposed to blood-borne infections. Precautions and protection from NSIs are important in preventing infection of HCWs. Education about the transmission of blood-borne infections, vaccination, and post-exposure prophylaxis must be implemented and strictly monitored.
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Miri SM, Alavian SM. Risk factors of hepatitis B infection: Health policy makers should be aware of their importance in each community. Hepat Mon 2011; 11:238-9. [PMID: 22706271 PMCID: PMC3206697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/15/2011] [Revised: 03/22/2011] [Accepted: 04/02/2011] [Indexed: 12/11/2022]
Affiliation(s)
- Seyed Mohammad Miri
- Baqiyatallah Research Center for Gastroenterology and Liver Diseases, Tehran, IR Iran
| | - Seyed Moayed Alavian
- Baqiyatallah Research Center for Gastroenterology and Liver Diseases, Tehran, IR Iran,Corresponding author at: Seyed Moayed Alavian, Baqiyatallah Research Center for Gastroenterology and Liver Disease, P.O.Box 14155/3651, Tehran, IR Iran. Tel.: +98-2188945186-8, Fax: +98-2181262072, E-mail:
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Ataei B, Yazdani MR, Kalantari H, Yaran M, Nokhodian Z, Javadi AA, Babak A, Adibi P. Hepatitis D virus infection in Isfahan, central Iran: Prevalence and risk factors among chronic HBV infection cases. Hepat Mon 2011; 11:269-72. [PMID: 22706272 PMCID: PMC3206699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/04/2010] [Revised: 06/04/2010] [Accepted: 12/20/2010] [Indexed: 12/11/2022]
Abstract
BACKGROUND Hepatitis D virus (HDV) is dependent on hepatitis B virus (HBV) infection. Acute infection with HDV can occur simultaneously with acute HBV infection or be superimposed onto a chronic HBV infection. OBJECTIVES This study aimed to identify cases of HDV and determine its prevalence in patients with chronic HBV infection for the first time study in Isfahan, central Iran. PATIENTS AND METHODS In a cross-sectional study in 2009, 346 who had been diagnosed for at least 6 months with chronic HBV were enrolled consecutively. Anti-HDV was measured by ELISA in the serum of these patients. RESULTS The study included 245 males (70.8%) and 101 (29.2%) females with a mean age of 39 ± 12.4 years. Anti-HDV was present in 8 (3.5%) HBe antibody-positive patients (p = 0.36) and in 2 (2.3%) HBe antigen-positive cases (p = 0.68). No association was found between hepatitis D and probable risk factors. CONCLUSIONS This study demonstrates that the prevalence of HDV infection is higher in patients who are positive for HBeAb compared those who are HBeAg-positive. Therefore, most HDV antibody-positive cases in Isfahan are HBV/HDV superinfections but not coinfections.
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Affiliation(s)
- Behrooz Ataei
- Isfahan Infectious Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Mohammad Reza Yazdani
- Isfahan Infectious Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Hamid Kalantari
- Isfahan Liver Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Majid Yaran
- Isfahan Infectious Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Zary Nokhodian
- Isfahan Infectious Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Abbas Ali Javadi
- Isfahan Infectious Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Anahita Babak
- Community and Preventive Medicine Specialist, Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran
| | - Peyman Adibi
- Isfahan Liver Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran,Corresponding author at: Peyman Adibi, Isfahan Liver Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran. Tel.: +98-3117923060, Fax: +98-3116687898, E-mail:
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Alavian SM, Miri SM. Dilemma of HBsAg seroconversion in chronic hepatitis B infection: Dilemma of HBsAg in chronic HBV. Hepat Mon 2011; 11:67-8. [PMID: 22087120 PMCID: PMC3206673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/01/2011] [Revised: 01/04/2011] [Accepted: 01/07/2011] [Indexed: 11/26/2022]
Abstract
Patients with chronic hepatitis B infection should be followed up to identify possible changes in disease status, such as HBsAg seronversion. There are little data on the outcome of such cases, and the response rate to HBV vaccine has not been discussed extensively.
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Affiliation(s)
- Seyed Moayed Alavian
- Baqiyatallah Research Center for Gastroenterology and Liver Disease, Tehran, IR Iran
| | - Seyed Mohammad Miri
- Baqiyatallah Research Center for Gastroenterology and Liver Disease, Tehran, IR Iran
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Arababadi MK, Mohammadzadeh A, Pourfathollah AA, Kennedy D. Polymorphisms within Fas gene are not associated with occult hepatitis B virus infection: Polymorphisms within Fas gene in occult HBV infection. Hepat Mon 2011; 11:23-6. [PMID: 22087112 PMCID: PMC3206657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2010] [Revised: 08/03/2010] [Accepted: 08/11/2010] [Indexed: 12/11/2022]
Abstract
BACKGROUND Occult hepatitis B infection (OBI) is a form of hepatitis in which there is an absence of detectable HBsAg, despite the presence of HBV-DNA in the peripheral blood of patients. It seems that non-effective or attenuated immune system responses against HBV lead to the development of OBI. Previous studies showed that the Fas/Fas ligand (FasL) system is an important death signaling pathway that is used by cytotoxic T lymphocytes to eradicate HBV from the liver. OBJECTIVES To investigate polymorphisms in the -670 region of the Fas gene in those with OBI. PATIENTS AND METHODS The plasma samples from 3700 blood donors were tested for HBsAg and anti-HBs by ELISA. The HBsAg-/anti-HBc(+) samples were selected and screened for HBV-DNA by PCR. Those with HBV-DNA were diagnosed as OBI and PCR-RFLP technique was performed to examine polymorphisms within their Fas gene. RESULTS 352 (9.5%) of 3700 blood samples were HBsAg-/anti-HBc(+). HBV-DNA was detected in 57 (16.1%) of 352 HBsAg-/anti-HBc(+) samples. Therefore, 57 HBsAg-/anti-HBc+/HBV-DNA(+) patients were diagnosed as OBI. Patient and control groups had no significant differences in terms of the studied polymorphisms. CONCLUSIONS The functional polymorphisms in the promoter region of Fas gene are not associated with OBI. Therefore, it may be concluded that polymorphisms at the -670 position of the Fas gene do not have any critical effects on the immune response against HBV in OBI.
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Affiliation(s)
- Mohammad Kazemi Arababadi
- Department of Microbiology, Hematology and Immunology, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, IR Iran,Molecular-Medicine Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, IR Iran,* Corresponding author at: Mohammad Kazemi Arababadi, Department of Microbiology and Immunology School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, IR Iran. Tel.: +98-3915234003-5, Fax: +98-3915225209, E-mail:
| | - Adel Mohammadzadeh
- Department of Immunology, School of Medical Sciences, Tarbiat Modarres University, Tehran, IR Iran
| | - Ali Akbar Pourfathollah
- Department of Immunology, School of Medical Sciences, Tarbiat Modarres University, Tehran, IR Iran
| | - Derek Kennedy
- School of Biomolecular and physical Science, Eskitis Institute for Cell and Molecular Therapies, Griffith University Nathan, Queensland, Australia
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Ravikumar A, Sasindran V, Senthil K, Samuel J, Thirumaran. Disseminated Intravascular Coagulation syndrome - ENT surgeon's perspective. Indian J Otolaryngol Head Neck Surg 2006; 58:384-6. [PMID: 23120357 DOI: 10.1007/bf03049604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
ENT surgeon is seldom confronted with a systemic disease severe enough to progress to Disseminated Intravascular Coagulation syndrome (DIC), where he has to undertake a definitive surgical procedure for malignancy or perform an emergency tracheostomy. This calls for a judicious calculation of the pros and cons with an element of risk that needs to be accepted. We report two such patients who have been treated in such a scenario where the outcome varied depending on the severity and time of onset of the underlying coagulation disorder.
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Affiliation(s)
- A Ravikumar
- Dept of ENT, Head & Neck Surgery, Sri Ramachandra Medical College & Research Institute (DU), 600116 Porur, Chennai, India
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