The results of macrophage metabolism studies at their infection by viruses differing in the level of virulence are presented. With the purpose of optimizing the estimation of viral cytopathogenic effects on macrophages, an index of cell reactions, which allows one to reveal the degree of virus influence in standard units, is offered. Generally, the application of high-sensitivity methods for functional activity determination and identification of the correlative communication between its changes and morphological features of cells can be prescribed to objective identification methods of not only viral reproduction, but also differentiation of types and the degree of their cytopathogenic effects.
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http://dx.doi.org/10.7868/s0555109913010157 | DOI Listing |
Front Cell Infect Microbiol
January 2025
State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Introduction: Respiratory syncytial virus (RSV) remains a major international public health concern. However, disease treatment is limited to preventive care with monoclonal antibodies and supportive care. In this study, natural products were screened to identify novel anti-RSV inhibitors.
View Article and Find Full Text PDFViruses
December 2024
Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.
Photodynamic inactivation (PDI) has been revealed as a valuable approach against viral infections because of the fast therapeutic effect and low possibility of resistance development. The photodynamic inhibition of the infectivity of human herpes simplex virus type 1 (HSV-1) strain Victoria at different stages of its reproduction was studied. PDI activity was determined on extracellular virions, on the stage of their adsorption to the Madin-Darby bovine kidney (MDBK) cell line and inhibition of the viral replication stage by application of two tetra-methylpyridiloxy substituted gallium and zinc phthalocyanines (ZnPcMe and GaPcMe) upon 660 nm light exposure with a light-emitting diode (LED 660 nm).
View Article and Find Full Text PDFJ Water Health
December 2024
Centre for Medical Laboratory Technology Studies, Faculty of Health Sciences, Universiti Teknologi MARA, Puncak Alam Campus, Selangor, Malaysia; Microbiome Health and Environment (MiHeaRT), Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia E-mail:
Free-living amoebae of the genus are causative agents of keratitis and amoebic encephalitis. They are widely found in various ecological environments. Therefore, the present study brings results that can help to better understand the genotypes of the environmental isolates and their pathogenicity.
View Article and Find Full Text PDFJ Virol
December 2024
Institute of Virology, Department for Pathobiology, University of Veterinary Medicine, Vienna, Austria.
Unlabelled: Classical swine fever virus (CSFV) is a member of the genus within the family . The enveloped particles contain a plus-stranded RNA genome encoding a single large polyprotein. The processing of this polyprotein undergoes dynamic changes throughout the infection cycle.
View Article and Find Full Text PDFMicrob Pathog
January 2025
Research and Development, MCI Santé Animale, Lot. 157, Z. I., Sud-Ouest (ERAC) B.P: 278, Mohammedia, 28810, Morocco. Electronic address:
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