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Clinical Characteristics and Outcomes in Patients with Chronic HBV Infection and Hospitalized for COVID-19 Pneumonia: A Retrospective Cohort Study.
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December 2024
Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy.
The effects of a concomitant infection of hepatitis B virus (HBV) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are still debated, with a recognized major risk of HBV reactivation during immune-suppressive treatments. The aim of this study was to determine the prevalence and predictive factors of HBV reactivation in a cohort of hospitalized patients with coronavirus disease 2019 (COVID-19) and a current or past hepatitis B infection. In a monocentric retrospective observational study, we enrolled all consecutive hospital admitted patients with COVID-19 pneumonia and a positive HBV serology (N = 84) in our Infectious Diseases Unit from April 2021 to December 2023.
View Article and Find Full Text PDFSeroprevalence of TORCH Viral Agents in Pregnant Women in Turkey: Systematic Review and Meta-Analysis.
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January 2025
Department of Medical Microbiology, Faculty of Medicine, Sakarya University, 54100 Sakarya, Turkey.
Rubella Virus, Cytomegalovirus (CMV), Herpes Simplex Virus-2 (HSV-2), Hepatitis B (HBV) and Hepatitis C virus (HCV) can cause serious fetal disease. The seropositivity rates of these agents vary among countries and geographic regions. This study aimed to analyze the prevalence rates and diagnostic methods used in studies investigating the seroprevalence of viral pathogens in the TORCH group among pregnant women in Turkey between 2005 and 2024.
View Article and Find Full Text PDFAnti-HBs Positivity Related to Past HBV Infection and Vaccination in Older Adults in Polish Population-Cohort-Based Study.
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Department of Internal Medicine and Oncological Chemotherapy, Medical University of Silesia in Katowice, 40-029 Katowice, Poland.
Background: In Poland, a national hepatitis B (HBV) immunization program was introduced for neonates in 1996, and between 2000 and 2011, those born from 1986 to 1995 were vaccinated. Little is known about vaccination rates among adults born before 1986. This study aimed to determine the frequency of anti-HBs seropositivity rates related to vaccination and past HBV infection in older Poles.
View Article and Find Full Text PDFDo children with type 1 diabetes mellitus remain protected against hepatitis B?
J Pediatr Endocrinol Metab
January 2025
Department of Medical Biochemistry, Health Science University, Prof Dr Cemil Taşcıoğlu City Hospital, Istanbul, Türkiye.
Objectives: Because patients with type 1 diabetes mellitus (T1DM) have persistent and profound limitations in immune functions, immune response to vaccines may diminish. The aim of our study was to compare the antibody to Hepatitis B surface antigen (anti-HBs) serologies of children with T1DM, at the time of T1DM diagnosis, who were vaccinated according to the vaccination schedule with the anti-HBs serologies of healthy children. And to investigate the relationship between anti-HBs levels and the accompanying variables of these patients.
View Article and Find Full Text PDFMicroRNA-3145 as a potential therapeutic target for hepatitis B virus: inhibition of viral replication via downregulation of HBS and HBX.
Front Microbiol
January 2025
Department of Microbiology, Faculty of Medicine, Shimane University, Izumo, Japan.
Current treatments for hepatitis B virus (HBV), such as interferons and nucleic acid analogs, have limitations due to side effects like depression and the development of drug-resistant mutants, highlighting the need for new therapeutic approaches. In this study, we identified microRNA-3145 (miR-3145) as a host-derived miRNA with antiviral activity that is upregulated in primary hepatocytes during HBV infection. The expression of its precursor, pri-miR-3145, increased in response to the the virus infection, and miR-3145 downregulated the hepatitis B virus S (HBS) antigen and hepatitis B virus X (HBX), thereby inhibiting viral replication.
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