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Prevalence of resistance-associated substitutions (RAS) in hepatitis C virus in the Former Soviet Union countries.
BMJ Open Gastroenterol
January 2025
Department of Biomedical Sciences, Nazarbayev University School of Medicine, Astana, Kazakhstan
Objective: The emergence of resistance-associated substitutions (RASs) poses a significant challenge to the effective treatment of hepatitis C virus (HCV) infection using direct-acting antivirals. This study's objective was to observe the prevalence of HCV genotypes and RAS within the Former Soviet Union (FSU) countries.
Methods: We analysed 60 NS3, 313 NS5A and 1119 NS5B sequences of HCV deposited in open-access databases from 11 FSU countries for the prevalence of genotypes and the presence of RAS using the Geno2Pheno software.
Phytochemical-based nanosystems: recent advances and emerging application in antiviral photodynamic therapy.
Nanomedicine (Lond)
January 2025
Clinical Laboratory Science Section, Institute of Medical Science Technology, Universiti Kuala Lumpur, Kajang, Selangor, Malaysia.
Phytochemicals are typically natural bioactive compounds or metabolites produced by plants. Phytochemical-loaded nanocarrier systems, designed to overcome bioavailability limitations and enhance therapeutic effects, have garnered significant attention in recent years. The coronavirus disease 2019 (COVID-19) pandemic has intensified interest in the therapeutic application of phytochemicals to combat viral infections.
View Article and Find Full Text PDFMolecular modelling and optimization of a high-affinity nanobody targeting the nipah virus fusion protein through in silico site-directed mutagenesis.
Comput Biol Chem
January 2025
Virology and Vaccine Research and Development Program, Department of Science and Technology-Industrial Technology Development Institute, Taguig City, Metro Manila 1631, Philippines; S&T Fellows Program, Department of Science and Technology, Taguig City, Metro Manila 1631, Philippines; Department of Biology, College of Arts and Sciences, University of the Philippines - Manila, Metro Manila 1000, Philippines. Electronic address:
Nipah virus (NiV) is a re-emerging zoonotic pathogen with a high mortality rate and no effective treatments, prompting the search for new antiviral strategies. While conventional antiviral drugs are often limited by issues such as poor specificity, off-target effects, and resistance development, nanobodies offer distinct advantages. These small, single-domain antibodies exhibit high specificity and stability, making them ideal candidates for antiviral therapy.
View Article and Find Full Text PDFHarnessing natural saponins: Advancements in mitochondrial dysfunction and therapeutic applications.
Phytomedicine
January 2025
Traditional Chinese Medicine Hospital of Meishan, Meishan 620010, China. Electronic address:
Background: Mitochondrial dysfunction plays a crucial role in the development of a variety of diseases, notably neurodegenerative disorders, cardiovascular diseases, metabolic syndrome, and cancer. Natural saponins, which are intricate glycosides characterized by steroidal or triterpenoid structures, have attracted interest due to their diverse pharmacological benefits, including anti-inflammatory, antiviral, and anti-aging effects.
Purpose: This review synthesizes recent advancements in understanding mitochondrial dysfunction and explores how saponins can modulate mitochondrial function.
Evaluation and Management of Congenital Cytomegalovirus Infection.
Obstet Gynecol
January 2025
Medical Practice Evaluation Center, the Division of Infectious Disease, and the Division of Maternal Fetal Medicine, Massachusetts General Hospital, Boston, Massachusetts; the Department of Pediatrics, Centre Hospitalier Universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada; and the Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, New York.
The purpose of this review is to serve as an update on congenital cytomegalovirus (CMV) evaluation and management for obstetrician-gynecologists and to provide a framework for counseling birthing people at risk for or diagnosed with a primary CMV infection or reactivation or reinfection during pregnancy. A DNA virus, CMV is the most common congenital viral infection and the most common cause of nongenetic childhood hearing loss in the United States. The risk of congenital CMV infection from transplacental viral transfer depends on the gestational age at the time of maternal infection and whether the infection is primary or nonprimary.
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