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Wall shear stress modulates metabolic pathways in endothelial cells.
Metabolomics
January 2025
Laboratory of Applied Mass Spectrometry, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium.
Introduction: Hemodynamic forces play a crucial role in modulating endothelial cell (EC) behavior, significantly influencing blood vessel responses. While traditional in vitro studies often explore ECs under static conditions, ECs are exposed to various hemodynamic forces in vivo. This study investigates how wall shear stress (WSS) influences EC metabolism, focusing on the interplay between WSS and key metabolic pathways.
View Article and Find Full Text PDFAssessing fluid responsiveness by using functional hemodynamic tests in critically ill patients: a narrative review and a profile-based clinical guide.
J Clin Monit Comput
January 2025
IRCCS Humanitas Research Hospital, via Manzoni 56, Rozzano - Milan, 20089, Italy.
Fluids are given with the purpose of increasing cardiac output (CO), but approximately only 50% of critically ill patients are fluid responders. Since the effect of a fluid bolus is time-sensitive, it diminuish within few hours, following the initial fluid resuscitation. Several functional hemodynamic tests (FHTs), consisting of maneuvers affecting heart-lung interactions, have been conceived to discriminate fluid responders from non-responders.
View Article and Find Full Text PDFAging-Induced Discrepant Response of Fracture Healing is Initiated from the Organization and Mineralization of Collagen Fibrils in Callus.
ACS Biomater Sci Eng
January 2025
Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, China.
Fracture healing is a complex process during which the bone restores its structural and mechanical integrity. Collagen networks and minerals are the fundamental components to rebuild the bone matrix in callus. It has been recognized that bone quality could be impaired during aging.
View Article and Find Full Text PDFTargeting the insular cortex for neuropathic pain modulation: Insights into synaptic and neuronal mechanisms.
FASEB J
January 2025
Department of Physiology, Yonsei University College of Medicine, Seoul, Republic of Korea.
Neuropathic pain, caused by nerve damage, greatly affects quality of life. Recent research proposes modulating brain activity, particularly through electrical stimulation of the insular cortex (IC), as a treatment option. This study aimed to understand how IC stimulation (ICS) affects pain modulation.
View Article and Find Full Text PDFExploration of low-sulfonate lignin electrospinning conditions for the development of new renewable lubricant formulations.
Nanoscale
January 2025
Pro2TecS - Chemical Product and Process Technology Research Center. Department of Chemical Engineering and Materials Science. Universidad de Huelva. ETSI, Campus de "El Carmen", 21071 Huelva, Spain.
This study explores the preparation of lubricating oleo-dispersions using electrospun nanofibrous mats made from low-sulfonate lignin (LSL) and polycaprolactone (PCL). The rheological and tribological properties of the oleo-dispersions were significantly modulated for the first time through the exploration of LSL/PCL ratio and electrospinning conditions such as applied voltage, distance between the tip and collector, flow rate, ambient humidity, and collector configuration. Adequate uniform ultrathin fibers and Small-amplitude oscillatory shear (SAOS) functions of the oleo-dispersions, with storage modulus values ranging from 10 to 10 Pa at 25 °C, were obtained with a flow rate of 0.
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