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- Title
Serum Leptin, Adiponectin and Tumor Necrosis Factor- in Hyperlipidemic Rats with/without Concomitant Diabetes Mellitus.
- Authors
Margoni, Angeliki; Perrea, Despoina N.; Vlachos, Ioannis; Prokopaki, Georgia; Pantopoulou, Alkistis; Fotis, Lambros; Kostaki, Maria; Papavassiliou, Athanasios G.
- Abstract
We compared the lipid profiles and serum levels of leptin, adiponectin and tumor necrosis factor-α (TNF-α) in rats with/without hyperlipidemia and with/without concomitant diabetes mellitus. Forty 10-wk-old male Wistar rats were divided into four groups. Groups A and C received standard food for 12 wks. Groups B and D received a high-fat diet enriched with 2% additional cholesterol. Moreover, insulin-deficient (type I) diabetes mellitus was induced in rats in groups C and D with intraperitoneal injections of streptozotocin. Fasting serum leptin levels were decreased in diabetic groups (groups C and D) compared with controls. Fasting serum adiponectin levels were decreased in groups C and D compared with group A. Serum TNF-α levels were augmented in groups B and D, those fed with an atherogenic diet. By contrast, TNF-α levels were decreased in group C. Our data suggest that serum leptin, adiponectin and TNF-α levels may serve as markers of obesity and type I diabetes mellitus.
- Subjects
LEPTIN; TUMOR necrosis factors; ANIMAL models of diabetes; HYPERLIPIDEMIA; CHOLESTEROL; STREPTOZOTOCIN
- Publication
Molecular Medicine, 2011, Vol 17, Issue 1/2, p36
- ISSN
1076-1551
- Publication type
Article
- DOI
10.2119/molmed.2010.00167