Importance of substantial weight loss for altering gene expression during cardiovascular lifestyle modification

Autor: Marina N. Vernalis, Kimberly A. Mamula, Renata J.M. Engler, Ryan van Laar, Fionnuala A. McDyer, Darrell L. Ellsworth, Nicholas S. Costantino, Heather L. Blackburn, Gera L. Jellema
Rok vydání: 2015
Předmět:
Zdroj: Obesity. 23:1312-1319
ISSN: 1930-7381
Popis: Objective To examine relationships between weight loss through changes in lifestyle and peripheral blood gene expression profiles. Methods A prospective nonrandomized trial was conducted over 1 year in participants undergoing intensive lifestyle modification to reverse or stabilize progression of coronary artery disease. Cardiovascular risk factors, inflammatory biomarkers, and gene expression as a function of weight loss were assessed in 89 lifestyle participants and 71 retrospectively matched controls undergoing usual care. Results Substantial weight loss (-15.2 ± 3.8%) in lifestyle participants (n = 33) was associated with improvement in selected cardiovascular risk factors and significant changes in peripheral blood gene expression from pre- to post-intervention: 132 unique genes showed significant expression changes (false discovery rate corrected P-value Conclusions Weight loss (≥10%) during lifestyle modification is associated with down-regulation of genetic pathways governing interactions between circulating immune cells and the vascular endothelium and may be required to successfully reduce CVD risk.
Databáze: OpenAIRE