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| http://dx.doi.org/10.5055/jem.0663 | DOI Listing |
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Homeobox protein MSX-1 restricts hepatitis B virus by promoting ubiquitin-independent proteasomal degradation of HBx protein.
PLoS Pathog
January 2025
Department of Infectious Diseases, Shanghai Institute of Infectious Diseases and Biosecurity, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China.
Hepatitis B virus (HBV) X protein (HBx) is a key factor for regulating viral transcription and replication. We recently characterized homeobox protein MSX-1 (MSX1) as a host restriction factor that inhibits HBV gene expression and genome replication by directly binding to HBV enhancer II/core promoter (EnII/Cp) and suppressing its promoter and enhancer activities. Notably, HBx expression was observed to be repressed more drastically by MSX1 compared to other viral antigens.
View Article and Find Full Text PDFAvian influenza mRNA vaccine encoding hemagglutinin provides complete protection against divergent H5N1 viruses in specific-pathogen-free chickens.
J Nanobiotechnology
January 2025
College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
Background: The rapid mutation of avian influenza virus (AIV) poses a significant threat to both the poultry industry and public health. Herein, we have successfully developed an mRNA-LNPs candidate vaccine for H5 subtype highly pathogenic avian influenza and evaluated its immunogenicity and protective efficacy.
Results: In experiments on BALB/c mice, the vaccine candidate elicited strong humoral and a certain cellular immune responses and protected mice from the heterologous AIV challenge.
T cell immune evasion by SARS-CoV-2 JN.1 escapees targeting two cytotoxic T cell epitope hotspots.
Nat Immunol
January 2025
National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases (NITFID), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
Although antibody escape is observed in emerging severe acute respiratory syndrome coronavirus 2 variants, T cell escape, especially after the global circulation of BA.2.86/JN.
View Article and Find Full Text PDFBiosafety Management Practices Among Clinical Laboratory Professionals in Debre Berhan Town Governmental Hospitals, Ethiopia: A Cross-Sectional Study.
Health Sci Rep
January 2025
Department of Medical Laboratory Science, College of Health Science Debre Berhan University Debre Berhan Ethiopia.
Background And Aims: Clinical laboratories play a vital role in modern healthcare, where laboratory test results significantly influence medical decisions. However, laboratory professionals are often exposed to hazardous biological materials, underscoring the importance of biosafety management. This study aimed to assess biosafety practices among clinical laboratory professionals in Debre Berhan town, Ethiopia.
View Article and Find Full Text PDFASFV infection induces lipid metabolic disturbances and promotes viral replication.
Front Microbiol
January 2025
China Animal Health and Epidemiology Center, Qingdao, China.
Introduction: African swine fever is a highly transmissible and lethal infectious disease caused by the African swine fever virus (ASFV), which has considerably impacted the global swine industry. Lipid metabolism plays a vital role in sustaining lipid and energy homeostasis within cells and influences the viral life cycle.
Methods And Results: In this study, we found that ASFV infection disrupts lipid metabolism in the host.
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