Metabolic syndrome and nonalcoholic fatty liver disease. The role of endothelial progenitor cells
Journal Title: Annals of Hepatology - Year 2013, Vol 12, Issue 6
Abstract
Background. Endothelial dysfunction has been previously described in metabolic syndrome patients. The levels of circulating endothelial progenitor cells (EPCs) inversely correlates with the incidence of cardiovascular disease. The aim of this study was to investigate the association between NAFLD, metabolic syndrome and EPC levels. Material and methods. A cross-sectional pilot study was performed at a university hospital in Mexico. Two groups of patients without previously known chronic diseases were studied and classified according to the presence of NAFLD. Anthropometric, dietary, and biochemical variables, and circulating EPC number were measured and compared between the groups. Results. Forty subjects were included and classified into two groups: patients with NAFLD (n = 20) and a control group (n = 20). The overall prevalence of insulin resistance and metabolic syndrome was 25% and 17.5%, respectively. EPC levels were found to be higher in the NAFLD group (p < 0.05) as in the patients with insulin resistance (p < 0.01) and metabolic syndrome (p < 0.01). These levels showed correlation with the severity of steatosis. Conclusions. Patients with NAFLD have increased levels of EPC, such levels are associated with the severity of NAFLD. These findings may suggest that these cells may play a role in the early natural history of NAFLD. EPC might be increased in an attempt to repair the endothelial damage resulting from metabolic alterations accompanying NAFLD. Further studies are needed to establish the dynamics of these cells in NAFLD.
Authors and Affiliations
Ylse Gutiérrez-Grobe, Juan G. Gavilanes-Espinar, Felipe A. Masso-Rojas, Vicente Sánchez-Valle, Araceli Páez-Arenas, Guadalupe Ponciano-Rodríguez, Norberto C. Chávez-Tapia, Misael Uribe, Nahum Méndez-Sánchez
Keywords
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