Operative Unit of Clinical Pathology Laboratory

San Donato di Ninea, Italy

Operative Unit of Clinical Pathology Laboratory

San Donato di Ninea, Italy

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Dozio E.,University of Milan | Malavazos A.E.,Operative Unit of Diabetology and Metabolic Diseases | Dogliotti G.,University of Milan | Goggi S.,Operative Unit of Diabetology and Metabolic Diseases | And 7 more authors.
European Journal of Inflammation | Year: 2011

In recent years, the link between obesity, inflammation and atherosclerosis has attracted increasing interest. Recently, besides the classical inflammatory markers, the competitive nitric oxide synthase antagonist asymmetric dimethylarginine (ADMA) has been shown to be involved in the pathogenesis of atherosclerosis and cardiovascular diseases. Since obese people present a condition of chronic low-grade inflammation and endothelial dysfunction, in the present study we quantified ADMA levels in uncomplicated obese women (with no clinical, cardiac or metabolic complications) and normal-weight control subjects. We investigated the relationship of ADMA with some anthropometric measurements, abdominal visceral and subcutaneous adipose tissue accumulation, and biochemical and proinflammatory factors of the subjects [interleukin-6 (IL-6), soluble IL-6 receptor (sIL-6R), IL6-R/IL-6 ratio, tumor necrosis factor alpha (TNFα), homocysteine (Hcy) and plasminogen activator inhibitor-1 (PAI-1)]. ADMA and all the other pro-inflammatory parameters resulted higher in obese patients than in healthy subjects. ADMA significantly correlated with Hcy, PAI-1, TNFα and with sIL-6R/IL-6 ratio but not with other anthropometric and biochemical parameters. In a stepwise regression analysis ADMA correlated most closely with Hcy and TNFα. In conclusion, in our obese uncomplicated patients TNFα and Hcy emerged as strong predictors of ADMA which might be a potential mediator of the effects of different risk factors affecting the cardiovascular system. Copyright © by BIOLIFE, s.a.s.

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