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Elevated glycocalyx shedding components as the early predictors of unfavorable outcomes in patients after cardiac arrest: A single-center observational study.
J Crit Care
January 2025
Department of Emergency Medicine Center, the Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221002, China. Electronic address:
Objective: To assess the association of serum glycocalyx shedding components (Heparan sulfate, HS; Hyaluronic acid, HA; Syndecan-1, Sdc-1) with outcomes after CA.
Methods: Patients who were comatose for >24 h after CA in the intensive care unit (ICU) of the Affiliated Hospital of Xuzhou Medical University from 9/2021 to 04/2023 were enrolled. Serum samples were collected 24 h after CA to measure the concentrations of glycocalyx shedding components.
Extracellular Vesicles and Tunnelling Nanotubes as Mediators of Prostate Cancer Intercellular Communication.
Biomolecules
December 2024
Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
Prostate cancer (PCa) pathogenesis relies on intercellular communication, which can involve tunnelling nanotubes (TNTs) and extracellular vesicles (EVs). TNTs and EVs have been reported to transfer critical cargo involved in cellular functions and signalling, prompting us to investigate the extent of organelle and protein transfer in PCa cells and the potential involvement of the androgen receptor. Using live cell imaging microscopy, we observed extensive formation of TNTs and EVs operating between PCa, non-malignant, and immune cells.
View Article and Find Full Text PDFADAMTS13 Improves Endothelial Function and Reduces Inflammation in Diabetic Retinopathy.
Cells
January 2025
Department of Ophthalmology, College of Medicine, King Saud University, Riyadh 11411, Saudi Arabia.
The protease, a disintegrin and metalloproteinase with thrombospondin type 1 motif member 13 (ADAMTS13), known to cleave only the von Willebrand factor (VWF), has powerful regulatory effects on microvascular platelet adhesion, thrombosis, inflammation, and endothelial dysfunction. We study the protection against diabetes-induced retinal injury in experimental rats by supplementation with recombinant ADAMTS13. We compare human epiretinal membranes and vitreous samples from nondiabetic subjects and patients with proliferative diabetic retinopathy (PDR) and extend in vitro analyses with the use of various immunodetection and spectrofluorimetric methods on rat retina and human retinal glial and endothelial cell cultures.
View Article and Find Full Text PDFBacterial cellulose-based scaffold modified with anti-CD29 antibody to selectively capture urine-derived stem cells for bladder repair.
Carbohydr Polym
March 2025
Qingdao Key Laboratory of Materials for Tissue Repair and Rehabilitation, Shandong Engineering Research Center for Tissue Rehabilitation Materials and Devices, School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao 266113, China. Electronic address:
Acellular cellulose-based biomaterials hold promising potential for treating bladder injuries. However, the compromised cellular state surrounding the wound impedes the complete reconstruction of the bladder. This necessitates the development of a bio-instructive cellulose-based biomaterial that actively controls cell behavior to facilitate effective bladder regeneration.
View Article and Find Full Text PDFSphingosine-1-Phosphate, a Marker of Endothelial Injury and Disease Severity in Preeclampsia.
Hypertension
January 2025
Division of Obstetrics and Gynecology, Institute of Clinical Sciences Lund, Lund University, Sweden. (C.E., F.P., L.E., S.R.H.).
Background: Preeclampsia is a hypertensive pregnancy disorder marked by endothelial damage. Healthy endothelium is covered by a protective glycocalyx layer, which, when degraded, releases detectable products into the blood. Sphingosine-1-phosphate (S1P) is a cardiovascular biomarker involved in glycocalyx preservation, linked to placentation and preeclampsia development.
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