Am J Physiol Heart Circ Physiol
December 2024
Dog obesity is a significant problem in the US and elsewhere. The purpose was to evaluate factors contributing to pet obesity in sport and pet dog owners. Owners were recruited over social media to answer a questionnaire regarding demographics, health, body condition, feeding, exercise and dog related expenses.
View Article and Find Full Text PDFAm J Physiol Cell Physiol
November 2021
The precise matching of blood flow to skeletal muscle during exercise remains an important area of investigation. Release of adenosine triphosphate (ATP) from red blood cells (RBCs) is postulated as a mediator of peripheral vascular tone in response to shear stress, hypoxia, and mechanical deformation. We tested the following hypotheses: ) RBCs of different densities contain different quantities of ATP; ) hypoxia is a stimulus for ATP release from RBCs; and ) hypoxic ATP release from RBCs is related to RBC lysis.
View Article and Find Full Text PDF