By means of immunochemical methods a considerable increase in Ca(2+)-transporting glycoprotein (GP) in liver tissues of golden hamsters at early stages of opisthorchiasis has been established. On the 3rd day after the infection GP amount increases 6 fold, on the 7th day--15 fold. On the 14th day GP amount decreases but does not reach the control level. The control level is reached only on the 22nd day after the infection of animals. Ca(2+)-transporting GP belongs to the system of electrogenic transport of Ca2+ in mitochondria (MCh) and its increase in MCh of the liver is, apparently, the basis of destructive changes of these organelles.
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J Tradit Complement Med
November 2024
Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samutprakarn, 10540, Thailand.
The ongoing COVID-19 pandemic has triggered extensive research, mainly focused on identifying effective therapeutic agents, specifically those targeting highly pathogenic SARS-CoV-2 variants. This study aimed to investigate the antiviral efficacy and anti-inflammatory activity of herbal extracts derived from and , using a Golden Syrian hamster model infected with Delta, a representative variant associated with severe COVID-19. Hamsters were intranasally inoculated with the SARS-CoV-2 Delta variant and orally administered either vehicle control, , or extract at a dosage of 1000 mg/kg/day.
View Article and Find Full Text PDFImmunohorizons
January 2025
Department of Surgery, Faculty of Medicine and Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada.
The global dissemination of SARS-CoV-2 led to a worldwide pandemic in March 2020. Even after the official downgrading of the COVID-19 pandemic, infection with SARS-CoV-2 variants continues. The rapid development and deployment of SARS-CoV-2 vaccines helped to mitigate the pandemic to a great extent.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Otolaryngology, University of Texas Medical Branch at Galveston, Galveston, TX, USA.
Objective: With altered sense of taste being a common symptom of coronavirus disease 2019 (COVID-19), the main objective was to investigate the presence and distribution of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) within the tongue over the course of infection.
Methods: Golden Syrian hamsters were inoculated intranasally with SARS-CoV-2 and tongues were collected at 2, 3, 5, 8, 17, 21, 35, and 42 days post-infection (dpi) for analysis. In order to test for gross changes in the tongue, the papillae of the tongue were counted.
J Physiol Sci
January 2025
Hibernation Metabolism, Physiology and Development Group, Institute of Low Temperature Science, Hokkaido University, Sapporo, Hokkaido, Japan; Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan; Inamori Research Institute for Science Fellowship (InaRIS), Kyoto, Japan. Electronic address:
Growth and differentiation are reduced or stopped during hibernation, an energy conserving strategy in harsh seasons by lowered metabolism and body temperature. However, few studies evaluated this in a same individual using a non-invasive method. In this study, we applied a non-invasive tracking method of the nail growth throughout the hibernation period in the same hibernating animals, the Syrian hamster (Mesocricetus auratus).
View Article and Find Full Text PDFPharmacol Res
January 2025
National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China. Electronic address:
Metabolic-associated fatty liver disease (MAFLD) is a chronic, progressive disorder characterized by hepatic steatosis and excessive lipid accumulation. Its high global adult prevalence (approximately 50.7%), however, FDA-approved therapeutic drugs remains lacking.
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