RT Journal Article T1 Microvesicles from indoxyl sulfate-treated endothelial cells induce vascular calcification in vitro A1 Alique, Matilde A1 Bodega, Guillermo A1 Corchete, Elena A1 García-Menéndez, Estefanya A1 Luque Pérez, Rafael A1 De Sequera Ortiz, Patricia A1 Rodríguez-Padrón, Daily A1 Marqués, María A1 Portolés, José A1 Carracedo Añón, Julia María A1 Ramírez, Rafael AB Vascular calcification (VC), an unpredictable pathophysiological process and critical event in patients with cardiovascular diseases (CVDs), is the leading cause of morbi-mortality and disability in chronic kidney disease (CKD) patients worldwide. Currently, no diagnostic method is available for identifying patients at risk of VC development; the pathology is detected when the process is irreversible. Extracellular vesicles (EVs) from endothelial cells might promote VC. Therefore, their evaluation and characterization could be useful for designing new diagnostic tools. The aim of the present study is to investigate whether microvesicles (MVs) from endothelial cells damaged by uremic toxin and indoxyl sulfate (IS) could induce calcification in human vascular smooth muscle cells (VMSCs). Besides, we have also analyzed the molecular mechanisms by which these endothelial MVs can promote VC development. Endothelial damage has been evaluated according to the percentage of senescence in endothelial cells, differential microRNAs in endothelial cells, and the amount of MVs released per cell. To identify the role of MVs in VC, VSMCs were treated with MVs from IS-treated endothelial cells. Calcium, inflammatory gene expression, and procalcification mediator levels in VSMCs were determined. IS-treated endothelial cells underwent senescence and exhibited modulated microRNA expression and an increase in the release of MVs. VSMCs exposed to these MVs modulated the expression of pro-inflammatory genes and some mediators involved in calcification progression. MVs produced by IS-treated endothelial cells promoted calcification in VSMCs. PB Computational and Structural Biotechnology Journal SN ESSN: 2001-0370 YR 2020 FD 2020-04-09 LK https://hdl.handle.net/20.500.14352/6321 UL https://hdl.handle.net/20.500.14352/6321 LA eng NO Instituto de Salud Carlos III (ISCIII)/Fondo Europeo de Desarrollo Regional (FEDER) NO Universidad Complutense de Madrid /Banco de Santander NO Universidad de Alcalá de Henares/Sociedad Española de Nefrología DS Docta Complutense RD 10 abr 2025