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To investigate the influence of blockade of the renin-angiotensin system (RAS) on adipocytes, we compared the effect of telmisartan versus valsartan and amlodipine on adipocyte cellularity in the spontaneously type 2 diabetic, obese rat model.Male Otsuka Long Evans Tokushima Fatty rats, 8-week-old, were divided into four groups as follows: valsartan (V) group (10 mg/kg, n = 12), telmisartan (T) group...
Impaired glucose tolerance (IGT) represents a prediabetic state positioned somewhere between normal glucose tolerance and diabetes, which is also assumed to make individuals in this state highly susceptible to atherosclerotic disease. IGT also accounts for a highly heterogeneous population, with the condition varying from individual to individual. In this study, we stratified subjects with IGT by...
To elucidate the role of visceral fat accumulation in the metabolic syndrome, differences in the pathology of the metabolic syndrome with or without visceral fat accumulation were investigated. A total of 472 prediabetic Japanese men (mean age, 47.5±7.2 yr) with impaired fasting glycemia (IFG) levels of 110–125 mg/dL were eligible for participation in the study. The study subjects were divided into...
We investigated the role of hypoadiponectinemia in the metabolic syndrome (MS), as well as its association with post-glucose challenge hyper-free fatty acidemia in the clinical setting. The study subjects comprised 177 corporate employees shown to have a fasting plasma glucose (FPG) level of 125 mg/dL or less in a 75 g OGTT in the corporation's healthcare center. When divided into those who met the...
To investigate the relationship between insulin resistance, postprandial hyperglycemia, postprandial hyperlipidemia, and oxidative stress in type 2 diabetes, changes in postprandial glucose, triglyceride, and nitrotyrosine levels vs baseline after diet loading were examined in type 2 diabetic patients given pioglitazone (PG) or glibenclamide (GB). Twenty-four outpatients with type 2 diabetes treated...
The age-related changes in acute insulin response after glucose loading and the influence of suppression of body weight gain were investigated by using blood samples from portal and peripheral veins. We placed indwelling catheters in the portal vein of 12- and 24-wk-old Otsuka Long-Evans Tokushima fatty (OLETF) rats (n=8, 12), and age-matched control Long-Evans Tokushima Otsuka (LETO) rats (n=8, 6)...
Our study evaluated the relationship between the pathologic changes associated with atherosclerosis, as primarily represented by postprandial remnant-like lipoproteins and carotid intima-media thickness (IMT), in type 2 diabetic patients. Meal tolerance tests (MTT) were performed in 68 patients with type 2 diabetes. The subjects were divided by pre-meal and 2-h postprandial triglyceride (TG) levels...
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