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| http://dx.doi.org/10.1001/jamaoncol.2022.4226 | DOI Listing |
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A comprehensive review of research advances in the study of lactoferrin to treat viral infections.
Life Sci
December 2024
School of Life Sciences, Tianjin University, Tianjin, China. Electronic address:
Lactoferrin (Lf) is a naturally occurring glycoprotein known for its antiviral and antibacterial properties and is present in various physiological fluids. Numerous studies have demonstrated its antiviral effectiveness against multiple viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza virus (IFV), herpes simplex virus (HSV), hepatitis B virus (HBV), and human immunodeficiency virus (HIV). Lf, a vital component of the mucosal defense system, plays a crucial role in inhibiting viral infection by binding to both host cells and viral particles, such as the Hepatitis C virus (HCV).
View Article and Find Full Text PDFBuckyballs to fight pandemic: Water-soluble fullerene derivatives with pendant carboxylic groups emerge as a new family of promising SARS-CoV-2 inhibitors.
Bioorg Chem
December 2024
Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry of RAS, Semenov Prospect 1, Chernogolovka 142432, Russia; Zhengzhou Research Institute of HIT, Longyuan East 7th 26, Jinshui District, Zhengzhou, Henan Province 450003, China. Electronic address:
Herein, we present the first experimental study of individual water-soluble fullerene derivatives proving their ability to inhibit SARS-CoV-2 in vitro. The initial screening allowed us to identify a few new compounds that have demonstrated pronounced antiviral activity with IC values as low as 390 nM and selectivity indexes reaching 214. Time-of-addition analysis and molecular docking results suggested that the viral protease and/or the spike protein are the most probable targets inhibited by the fullerene derivatives.
View Article and Find Full Text PDFSARS-CoV-2 membrane protein induces neurodegeneration via affecting Golgi-mitochondria interaction.
Transl Neurodegener
December 2024
Department of Neurosciences, Hengyang Medical School, University of South China, Hengyang, 421009, China.
Background: Neurological complications are a significant concern of Coronavirus Disease 2019 (COVID-19). However, the pathogenic mechanism of neurological symptoms associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is poorly understood.
Methods: We used Drosophila as a model to systematically analyze SARS-CoV-2 genes encoding structural and accessory proteins and identified the membrane protein (M) that disrupted mitochondrial functions in vivo.
Regulation of N-Degron Recognin-Mediated Autophagy by the sars-cov-2 plpro ubiquitin deconjugase.
Autophagy
December 2024
Department of Cell and Molecular Biology, Stockholm, Sweden.
Viral proteases play critical roles in the host cell and immune remodeling that allows virus production. The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) papain-like protease (PLpro) encoded in the large nonstructural protein 3 (Nsp3) also possesses isopeptidase activity with specificity for ubiquitin and ISG15 conjugates. Here, we interrogated the cellular interactome of the SARS-CoV-2 PLpro catalytic domain to gain insight into the putative substrates and cellular functions affected by the viral deubiquitinase.
View Article and Find Full Text PDFBiocompatible Iron Oxide Nanoparticles Display Antiviral Activity Against Two Different Respiratory Viruses in Mice.
Int J Nanomedicine
December 2024
Department of Immunology, Oncology and Nanobiomedicine Initiative, Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain.
Background: Severe Acute Respiratory syndrome coronavirus 2 (SARS-CoV-2) and Influenza A viruses (IAVs) are among the most important causes of viral respiratory tract infections, causing similar symptoms. IAV and SARS-CoV-2 infections can provoke mild symptoms like fever, cough, sore throat, loss of taste or smell, or they may cause more severe consequences leading to pneumonia, acute respiratory distress syndrome or even death. While treatments for IAV and SARS-CoV-2 infection are available, IAV antivirals often target viral proteins facilitating the emergence of drug-resistant viral variants.
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