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Characterization of the First Marine Pestivirus, Phocoena Pestivirus (PhoPeV).
Viruses
January 2025
Institute of Virology, Department of Infectious Diseases, University of Veterinary Medicine Hannover, D-30559 Hannover, Germany.
The first marine pestivirus, Phocoena pestivirus (PhoPeV), isolated from harbor porpoise, has been recently described. To further characterize this unique pestivirus, its host cell tropism and growth kinetics were determined in different cell lines. In addition, the interaction of PhoPeV with innate immunity in porcine epithelial cells and the role of selected cellular factors involved in the viral entry and RNA replication of PhoPeV were investigated in comparison to closely and distantly related pestiviruses.
View Article and Find Full Text PDFSelected Mechanisms of Action of Bacteriophages in Bacterial Infections in Animals.
Viruses
January 2025
Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-033 Lublin, Poland.
Bacteriophages, as ubiquitous bacterial viruses in various natural ecosystems, play an important role in maintaining the homeostasis of the natural microbiota. For many years, bacteriophages were not believed to act on eukaryotic cells; however, recent studies have confirmed their ability to affect eukaryotic cells and interact with the host immune system. Due to their complex protein structure, phages can also directly or indirectly modulate immune processes, including innate immunity, by modulating phagocytosis and cytokine reactions, as well as acquired immunity, by producing antibodies and activating effector cells.
View Article and Find Full Text PDFThe Genes of Nigerian Marek's Disease Virus (MDV) Field Isolates Contain Mutations Common to Both European and US High Virulence Strains.
Viruses
December 2024
Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA.
Background: Marek's disease (MD) is a pathology affecting chickens caused by Marek's disease virus (MDV), an acute transforming alphaherpesvirus of the genus . MD is characterized by paralysis, immune suppression, and the rapid formation of T-cell (primarily CD4+) lymphomas. Over the last 50 years, losses due to MDV infection have been controlled worldwide through vaccination; however, these live-attenuated vaccines are non-sterilizing and potentially contributed to the virulence evolution of MDV field strains.
View Article and Find Full Text PDFEmploying the Oncolytic Vesicular Stomatitis Virus in Cancer Virotherapy: Resistance and Clinical Considerations.
Viruses
December 2024
Thomas H. Gosnell School for Life Sciences, Rochester Institute of Technology, Rochester, NY 14623, USA.
Vesicular Stomatitis Virus (VSV) has emerged as a promising candidate for various clinical applications, including vaccine development, virus pseudotyping, and gene delivery. Its broad host range, ease of propagation, and lack of pre-existing immunity in humans make it ideal for therapeutic use. VSV's potential as an oncolytic virus has garnered attention; however, resistance to VSV-mediated oncolysis has been observed in some cell lines and tumor types, limiting its effectiveness.
View Article and Find Full Text PDFSingle Exposure to Low-Intensity Focused Ultrasound Causes Biphasic Opening of the Blood-Brain Barrier Through Secondary Mechanisms.
Pharmaceutics
January 2025
Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26505, USA.
The blood-brain barrier (BBB) is selectively permeable, but it also poses significant challenges for treating CNS diseases. Low-intensity focused ultrasound (LiFUS), paired with microbubbles is a promising, non-invasive technique for transiently opening the BBB, allowing enhanced drug delivery to the central nervous system (CNS). However, the downstream physiological effects following BBB opening, particularly secondary responses, are not well understood.
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