Pub Date : 2010-12-10DOI: 10.3760/CMA.J.ISSN.1008-1372.2010.12.012
Liu Ze-hao
Objectives To investigate the effects of glucose on apoptosis rate of cultured endothelial progenitor cells (cEPCs). Methods The peripheral blood of healthy adults was isolated by density gradient centrifugation, and mononuclear cells (MNCs) were inducted to differentiate at cultured conditions.EPCs were identified by Dil-acLDL and FITC-UEA-1 as double fluorescent-positive cells. The effectsof glucose at different concentrations on apoptosis rate of the harvested EPCs were measured by fluorescent microscope and fluorescence-activated cell sorting (FACS) after staining with Annexin V-FITC and PI. Results No significant differences were observed in apoptosis rate between samples treatedwith 5.6mmol/l glucose and 11. 1 mmol/l. P ＞0. 05). 25.5 mmol/L glucose enhanced the EPCsapoptosis rate in a time-dependent manner( P ＜0. 05). Conclusion High concentration glucose can accelerate apoptosis rate of EPCs in a time-dependent manner. Key words: Glucose/PD; Endothelial cells/DE/PA; Apoptosis/DE
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