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Dysregulation of lung epithelial cell homeostasis and immunity contributes to Middle East respiratory syndrome coronavirus disease severity.
mSphere
January 2025
Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Coronaviruses (CoV) emerge suddenly from animal reservoirs to cause novel diseases in new hosts. Discovered in 2012, the Middle East respiratory syndrome coronavirus (MERS-CoV) is endemic in camels in the Middle East and is continually causing local outbreaks and epidemics. While all three newly emerging human CoVs from the past 20 years (SARS-CoV, SARS-CoV-2, and MERS-CoV) cause respiratory disease, each CoV has unique host interactions that drive differential pathogeneses.
View Article and Find Full Text PDFNewcastle Disease Virus Displaying an Ectodomain of Middle East Respiratory Syndrome Coronavirus Spike Protein Elicited Robust Humoral and Cellular Immunity in Mice.
Vaccines (Basel)
December 2024
National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand.
Background: Middle East Respiratory Syndrome Coronavirus (MERS-CoV) causes severe respiratory illness in humans and currently lacks an approved vaccine. The Newcastle disease virus (NDV) vector is a well-established, safe, and effective platform for vaccine development. With recent advancements in stabilizing coronavirus spike proteins to enhance their antigenicity, this study aimed to determine whether modifications to the MERS-CoV spike protein could improve its presentation on NDV particles, allowing the resulting virus to be used as an inactivated vaccine.
View Article and Find Full Text PDFStructural insights into nucleocapsid protein variability: Implications for PJ34 efficacy against SARS-CoV-2.
Virology
January 2025
Department of Virology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan. Electronic address:
Human coronaviruses (HCoVs) include common cold viruses such as HCoV-229E, OC43, NL63 and HKU1 as well as MERS-CoV and SARS-CoV, which cause severe respiratory disease. Recently, SARS-CoV-2 caused a COVID-19 pandemic. The nucleocapsid (N) protein of coronaviruses, which is essential for RNA binding and homodimerization, has a highly conserved structure across viruses.
View Article and Find Full Text PDFDiketopiperazine/piperidine alkaloid as a potential broad-spectrum coronaviral entry inhibitor identified by supercomputer-based virtual screening from a large natural product-based library.
Biomed Pharmacother
January 2025
Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, Mainz 55128, Germany. Electronic address:
The COVID-19 pandemic has underscored the urgent need for antiviral agents capable of targeting a broad range of coronaviruses, including emerging variants of SARS-CoV-2. While vaccines have been pivotal, the search for drugs that can prevent viral entry into host cells remains crucial, especially against evolving viral forms and other coronaviruses. In this study, we investigated natural products as a source of antiviral agents, focusing on their potential to block the spike protein's receptor-binding domain (RBD).
View Article and Find Full Text PDFNanobody-Based Lateral Flow Immunoassay for Rapid Antigen Detection of SARS-CoV-2 and MERS-CoV Proteins.
ACS Synth Biol
January 2025
KAUST Catalysis Center (KCC), Division of Physical Sciences & Engineering, King Abdullah University of Science and Technology, KAUST, Thuwal 23955, Kingdom of Saudi Arabia.
The COVID-19 pandemic has highlighted the critical need for pathogen detection methods that offer both low detection limits and rapid results. Despite advancements in simplifying and enhancing nucleic acid amplification techniques, immunochemical methods remain the preferred methods for mass testing. These methods eliminate the need for specialized laboratories and highly skilled personnel, making home testing feasible.
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