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Spatiotemporal metabolic mapping of ex-situ preserved hearts subjected to dialysis by integration of bio-SPME sampling with non-targeted metabolipidomic profiling.
Anal Chim Acta
February 2025
Department of Chemistry, University of Waterloo, Waterloo, ON, Canada. Electronic address:
Background: Normothermic ex situ heart perfusion (ESHP) has emerged as a valid modality for advanced cardiac allograft preservation and conditioning prior to transplantation though myocardial function declines gradually during ESHP thus limiting its potential for expanding the donor pool. Recently, the utilization of dialysis has been shown to preserve myocardial and coronary vasomotor function. Herein, we sought to determine the changes in myocardial metabolism that could support this improvement.
View Article and Find Full Text PDFLoss of Affects m6A Modification but Not Semen Characteristics in Bull Spermatozoa.
Int J Mol Sci
January 2025
State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, College of Life Science, Inner Mongolia University, Hohhot 010070, China.
N6-methyladenosine (m6A) modification is a key methylation modification involved in reproductive processes. gene editing (MT) in cattle is known to enhance muscle mass and productivity. However, the changes in m6A modification in MT bull sperm remain poorly understood.
View Article and Find Full Text PDFAn atypical presentation of autoimmune hepatitis with delayed menarche in a Nigerian adolescent: a case report.
J Med Case Rep
January 2025
Gastroenterology Unit, Enugu State University of Science and Technology, Parklane, Enugu, Nigeria.
Background: Autoimmune hepatitis is a chronic liver disease marked by immune-mediated inflammation, necrosis, and the potential to progress to cirrhosis if not treated. This case report presents a rare and atypical presentation of autoimmune hepatitis in a Nigerian adolescent girl, highlighting diagnostic challenges in resource-limited settings. The case is unique owing to the absence of jaundice, a common symptom of liver dysfunction, and features such as delayed menarche and bilateral leg swelling.
View Article and Find Full Text PDFPurinergic inhibitory regulation of esophageal smooth muscle is mediated by P2Y receptors and ATP-dependent potassium channels in rats.
J Physiol Sci
January 2025
Department of Basic Veterinary Science, Laboratory of Physiology, Joint Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan; Department of Basic Veterinary Science, Laboratory of Physiology, Joint Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, 501-1193, Gifu, Japan; Division of Animal Medical Science, Center for One Medicine Innovative Translational Research (COMIT), Gifu University Institute for Advanced Study, 1-1 Yanagido, 501-1193, Gifu, Japan.
Purines such as ATP are regulatory transmitters in motility of the gastrointestinal tract. The aims of this study were to propose functional roles of purinergic regulation of esophageal motility. An isolated segment of the rat esophagus was placed in an organ bath, and mechanical responses were recorded using a force transducer.
View Article and Find Full Text PDFThe role of GPR81-cAMP-PKA pathway in endurance training-induced intramuscular triglyceride accumulation and mitochondrial content changes in rats.
J Physiol Sci
January 2025
Institute of Sports Science, Sichuan University, Chengdu, People's Republic of China; School of Physical Education and Sports, Sichuan University, Chengdu, People's Republic of China; Department of Physical Education, Sichuan University, No. 24 South Section 1, Yihuan Road, 610065, Chengdu, China. Electronic address:
The athlete's paradox phenomenon involves the accumulation of intramuscular triglycerides (IMTG) in both insulin-resistant and insulin-sensitive endurance athletes. Nevertheless, a complete understanding of this phenomenon is yet to be achieved. Recent research indicates that lactate, a common byproduct of physical activity, may increase the accumulation of IMTG in skeletal muscle.
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