Vascular calcification is a systemic disease characterized by calcium salt deposition within vascular walls. Here, we present a protocol for establishing an advanced dynamic in vitro co-culture system using endothelial and smooth muscle cells to replicate vascular tissue complexity. We describe steps for cell culture and seeding in a double-flow bioreactor that recreates the action of blood in humans. We then detail the induction of calcification, setting up of the bioreactor, followed by cell viability assessment and calcium quantification.
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http://dx.doi.org/10.1016/j.xpro.2023.102328 | DOI Listing |
Theranostics
January 2025
Department of Nephrology, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, China.
Chronic kidney disease (CKD) is a global public health issue, with vascular calcification (VC) being a common and deadly complication. Despite its prevalence, the underlying mechanisms of VC remain unclear. In this study, we aimed to investigate whether and how Otubain-2 (OTUB2) contributes to VC.
View Article and Find Full Text PDFExp Physiol
January 2025
Department of Biology, Mount Royal University, Calgary, AB, Canada.
Cerebrovascular regulation is critically dependent upon the arterial partial pressure of carbon dioxide ( ), owing to its effect on cerebral blood flow, tissue , tissue proton concentration, cerebral metabolism and cognitive and neuronal function. In normal environments and in the absence of pathology, at least over acute time frames, hypercapnia is usually managed readily via the respiratory chemoreflex arcs and/or acid-base buffering capacity, such that there is minimal impact on cerebrovascular and neurological function. However, in non-normal environments, such as enclosed spaces, or with pathology, extended exposures to elevations in can be detrimental to cerebral health.
View Article and Find Full Text PDFEndocr Connect
January 2025
A McCarthy, LIOMM, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, La Plata, 1900, Argentina.
Metabolic syndrome (MetS) is associated with osteogenic transdifferentiation of vascular smooth muscle cells (VSMC) and accumulation of arterial calcifications (AC). Metformin (MET) inhibits this transdifferentiation in vitro. Here, we evaluate the in vivo efficacy of oral MET to reduce AC in a model of MetS.
View Article and Find Full Text PDFNutrients
December 2024
College of Life Sciences, Brigham Young University, Provo, UT 84602, USA.
: The association between nuts and seeds (nuts/seeds) consumption and abdominal aortic calcification (AAC) has been studied rarely, if at all. However, AAC is a good marker of CVD risk and premature mortality. Consequently, the present observational study was conducted.
View Article and Find Full Text PDFPharmaceuticals (Basel)
December 2024
Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA.
Late-onset Alzheimer's disease (LOAD) is a chronic, multifactorial, and progressive neurodegenerative disease that associates with aging and is highly prevalent in our older population (≥65 years of age). This hypothesis generating this narrative review will examine the important role for the use of sodium thiosulfate (STS) as a possible multi-targeting treatment option for LOAD. Sulfur is widely available in our environment and is responsible for forming organosulfur compounds that are known to be associated with a wide range of biological activities in the brain.
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