Simple steatosis is a more relevant source of serum inflammatory markers than omental adipose tissue - 16/02/14
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Summary |
Background and aims |
Serum inflammatory biomarkers are closely associated with the risk of cardiovascular disease. However, the major source of these biomarkers is not yet determined. Therefore, we aimed to assess whether simple steatosis or visceral adiposity was a more relevant predictor for serum inflammatory biomarkers.
Methods |
A double approach was used: i) clinical: 50 patients with biopsy-proven simple steatosis, 50 non-simple steatosis overweight patients, and 50 controls were explored for their serum biomarkers (high-sensitivity C-reactive protein, plasminogen activator inhibitor-1 activity, tumor necrosis factor α, and fibrinogen levels) and for visceral adiposity (measured by computed tomography); ii) experimental: using a rat simple steatosis model the effect of omentectomy on inflammatory biomarkers was investigated.
Results |
Serum inflammatory biomarkers were significantly higher in the simple steatosis group than in the overweight group. Using multivariate analysis, simple steatosis, visceral adiposity index and visceral adiposity were independently associated with inflammatory biomarkers. In particular, serum inflammatory biomarkers increased with the severity of liver histology (p<0.05), but no with visceral adipose tissue increase. In rats with simple steatosis, the omentectomy treatment was not associated with a decrease of serum inflammatory biomarkers in rats with simple steatosis.
Conclusions |
Clinical and experimental data both indicate that simple steatosis may be more associated with inflammatory biomarkers than omental adipose tissue.
Le texte complet de cet article est disponible en PDF.Abbreviations : ALT, AST, BMI, CT, CVD, FBG, HDL, HFD, HOMA, hs-CRP, LDC, LSR, NAFLD, NASH, ND, OM, PAI-1, SHAM, TNF-α, TG, VAI, VAT, WC
Plan
Vol 38 - N° 1
P. 46-54 - février 2014 Retour au numéro
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