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Persistent Rhesus Enteric Calicivirus Infection in Recombinant CHO Cells Expressing the Coxsackie and Adenovirus Receptor.
Viruses
November 2024
Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA.
Recently, using a panel of recombinant CHO cell lines, we identified the coxsackie and adenovirus receptor (CAR) and histo-blood group antigens (HBGAs) or sialic acid as the minimum requirement for susceptibility to rhesus enteric calicivirus (ReCV) infections. While ReCVs cause lytic infection in LLC-MK2 cells, recombinant CHO (rCHO) cell lines did not exhibit any morphological changes upon infection. To monitor infectious virus production, rCHO cell cultures had to be freeze-thawed and titrated on LLC-MK2 monolayers.
View Article and Find Full Text PDFFeline Adenovirus Isolate Shows Silent Nucleotide Alterations, Alternative Receptor/Coreceptor Binding, High Resistance to Disinfectants and Antiviral Drugs, as Well as Immunomodulation.
Animals (Basel)
December 2024
Department of Preventive Medicine and Public Health, Semmelweis University, 1085 Budapest, Hungary.
Adenovirus (AdV) infection has been rarely documented in cats and other felids. Partial sequences of the hexon and fiber genes of a Hungarian feline adenovirus isolate (FeAdV isolate) showed a close relationship to human AdV (HAdV) type C1. Further molecular and biological characterization is reported here.
View Article and Find Full Text PDFDetection of enterovirus RNA in pancreas and lymphoid tissues of organ donors with type 1 diabetes.
medRxiv
September 2024
Department of Virology, Faculty of Medicine and Health Technology, Tampere University, Finland.
Article Synopsis
- The nPOD-Virus group investigated the presence of viral RNA in pancreas and other tissues from organ donors, specifically focusing on type 1 diabetes samples, using advanced technologies and a large collection of pancreas samples.
- The study included pancreas, spleen, and other tissue samples from various donor groups, analyzing them with methods like RNA sequencing and RT-PCR to uncover viral infections.
- Results showed that enterovirus RNA was detected primarily in certain donor groups, with significantly higher rates in those with single islet autoantibodies compared to type 1 diabetes donors and control donors, indicating a possible link between enterovirus and autoimmunity in diabetes.
Leveraging virucidal potential of an anti-microbial coating agent to mitigate fomite transmission of respiratory viruses.
Curr Res Microb Sci
July 2024
Manipal Institute of Virology, Manipal Academy of Higher Education (MAHE), Manipal, India.
In the wake of the COVID-19 pandemic, respiratory tract infections have emerged as a significant global threat, yet their impact on public health was previously underappreciated. This study investigated the antiviral efficacy of the nano-coating agent BARRIER90, composed of silicon-quaternary ammonium compound and a naturally derived biopolymer, against three distinct respiratory viruses: Influenza A (H1N1), Adenovirus Type 1, and Enterovirus-Coxsackie B1. BARRIER90 exhibited robust and sustained virucidal activity, persisting up to 90 days post-coating, against the enveloped virus, Influenza A, with significant reduction in viral plaques.
View Article and Find Full Text PDFTree Species-Dependent Inactivation of Coronaviruses and Enteroviruses on Solid Wood Surfaces.
ACS Appl Mater Interfaces
June 2024
Department of Biological and Environmental Sciences and Nanoscience Center, University of Jyväskylä, Jyväskylä 40500, Finland.
The ongoing challenge of viral transmission, exemplified by the Covid pandemic and recurrent viral outbreaks, necessitates the exploration of sustainable antiviral solutions. This study investigates the underexplored antiviral potential of wooden surfaces. We evaluated the antiviral efficacy of various wood types, including coniferous and deciduous trees, against enveloped coronaviruses and nonenveloped enteroviruses like coxsackie virus A9.
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