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Glitazones are used in the treatment of type 2 diabetes as efficient insulin sensitizers. They can, however, induce peripheral edema through an unknown mechanism in up to 18% of cases. In this double-blind, randomized, placebo-controlled, four-way, cross-over study, we examined the effects of a 6-wk administration of pioglitazone (45 mg daily) or placebo on(More)
This study was designed to assess the role of renin and of the sympathoadrenal system in the maintenance of the hypertension induced by chronic nitric oxide synthase (NOS) inhibition in rats kept on a normal (RS) or a low-sodium (LS) diet. With the administration of NG-nitro-L-arginine methyl ester (L-NAME) in drinking water (0.4 milligrams) for 6 wk, mean(More)
Glitazones are powerful insulin sensitisers prescribed for the treatment of type 2 diabetes. Their use is, however, associated with fluid retention and an increased risk of congestive heart failure. We previously demonstrated that pioglitazone increases proximal sodium reabsorption in healthy volunteers. This study examines the effects of pioglitazone on(More)
BACKGROUND Fat redistribution, increased inflammation and insulin resistance are prevalent in non-diabetic subjects treated with maintenance dialysis. The aim of this study was to test whether pioglitazone, a powerful insulin sensitizer, alters body fat distribution and adipokine secretion in these subjects and whether it is associated with improved insulin(More)
The new angiotensin-converting enzyme (ACE) inhibitor idrapril acts by binding the catalytically important zinc ion to a hydroxamic group. We investigated its pharmacodynamic and pharmacokinetic properties in 8 healthy men: Increasing doses of 1, 5, and 25 mg idrapril as well as placebo or 5 mg captopril were administered intravenously (i.v.) at 1-week(More)
Glitazones are peroxisome proliferator-activated receptor (PPAR)-gamma agonists with powerful insulin-sensitizing properties. They promote the development of metabolically active adipocytes that can lead to a substantial gain in fat mass. Telmisartan is an ANG II type 1 receptor antagonist with partial PPAR-gamma agonistic properties. Recently, telmisartan(More)
AIM To assess whether blockade of the renin-angiotensin system (RAS), a recognized strategy to prevent the progression of diabetic nephropathy, affects renal tissue oxygenation in type 2 diabetes mellitus (T2DM) patients. METHODS Prospective randomized 2-way cross over study; T2DM patients with (micro)albuminuria and/or hypertension underwent blood(More)
CONTEXT A shortening of the atrial refractory period has been considered as the main mechanism for the increased risk of atrial fibrillation in hyperthyroidism. However, other important factors may be involved. OBJECTIVE Our objective was to determine the activity of abnormal supraventricular electrical depolarizations in response to elevated thyroid(More)
The klotho gene may be involved in the aging process. Klotho is a coactivator of FGF23, a regulator of phosphate and vitamin D metabolism. It has also been reported to be downregulated in insulin resistance syndromes and paradoxically to directly inhibit IGF-1 and insulin signaling. Our aim was to study klotho’s regulation and effects on insulin and IGF-1(More)
BACKGROUND We had previously demonstrated that the distensibility of the carotid artery in spontaneously hypertensive rats (SHR) aged 18 weeks does not differ from that of the carotid artery in normotensive animals for common pressure levels, despite vascular hypertrophy in SHR. OBJECTIVE To examine the time-course effects of hypertension on the geometry(More)