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In the present study, we investigated the antiviral activities of 17 flavonoids as natural products. These derivatives were evaluated for their in vitro antiviral activities against HIV and SARS-CoV-2. Their antiviral activity was evaluated for the first time based on POM (Petra/Osiris/Molispiration) theory and docking analysis. POM calculation was used to analyze the atomic charge and geometric characteristics. The side effects, drug similarities, and drug scores were also assumed for the stable structure of each compound. These results correlated with the experimental values. The bioinformatics POM analyses of the relative antiviral activities of these derivatives are reported for the first time.
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http://dx.doi.org/10.3390/molecules28093766 | DOI Listing |
Appl Biochem Biotechnol
September 2025
Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, 51452, Qassim, Saudi Arabia.
Viruses are minuscule entities that cannot survive independently without a Living host. Pathogenic viruses pose a significant threat to global health, resulting annually in the deaths of thousands of people. Recent studies indicate that medicinal plants may serve as an effective source of sustainable natural antiviral agents.
View Article and Find Full Text PDFJ Virol
September 2025
Department of Pathology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA.
Unlabelled: Oropouche fever is a debilitating disease caused by Oropouche virus (OROV), an arthropod-borne member of the Peribunyaviridae family. Despite its public health significance, the molecular mechanisms driving OROV pathogenesis remain poorly understood. In other bunyaviruses, the nonstructural NSs protein encoded by the small (S) genome segment acts as a major virulence factor.
View Article and Find Full Text PDFJ Virol
September 2025
Department of Microbiology and Immunology, Center for Pathogen Research, University of Maryland School of Medicine, Baltimore, Maryland, USA.
Unlabelled: There is a need for the development of broad-spectrum antiviral compounds that can act as first-line therapeutic countermeasures to emerging viral infections. Host-directed approaches present a promising avenue of development and carry the benefit of mitigating risks of viral escape mutants. We have previously found the SKI (super killer) complex to be a broad-spectrum, host-target with our lead compound ("UMB18") showing activity against influenza A virus, coronaviruses, and filoviruses.
View Article and Find Full Text PDFJ Virol
September 2025
Department of Hepatology, Center of Infectious Diseases and Pathogen Biology, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, Jilin, China.
Unlabelled: Cholesterol 25-hydroxylase (CH25H), an interferon-stimulated gene (ISG), has been implicated in broad-spectrum antiviral immunity. Here, we identify CH25H as a potent suppressor of hepatitis B virus (HBV) replication that significantly outperforms IFN-α in reducing HBV DNA, pregenomic RNA (pgRNA), HBsAg, and HBeAg, without inducing cytotoxicity. However, CH25H is weakly expressed in hepatocytes and only modestly induced by type I interferon.
View Article and Find Full Text PDFJ Am Chem Soc
September 2025
State Key Laboratory of Antiviral Drugs, Tianjian Laboratory of Advanced Biomedical Sciences, Pingyuan Laboratory, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
The C-H functionalization represents a universal and important method for constructing new C-C bonds by carrying out reactions directly on inert C-H bonds. The major challenges are to control the site-selectivity and chemoselectivity because most complex organic compounds have many similar C-H bonds or different functional groups, such as a C═C bond or O-H bond. Here, we develop a versatile copper cluster (CuNC) with high stability and dynamic catalytic sites.
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