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Adiponectin (ACRP30), an adipocyte-secreted protein encoded by the APM1 gene, is known to modulate insulin sensitivity and glucose homeostasis, those effects protecting obese mice from diabetes. Plasma adiponectin levels correlate well with insulin sensitivity in humans, and are decreased in both type 2 diabetes (T2D) and obesity. We screened for(More)
Cerebral accumulation of beta-amyloid peptide (A beta) is a central event in the pathogenesis of Alzheimer's disease (AD). Endothelin-converting enzyme-1 (ECE-1) is a candidate A beta-degrading enzyme in brain, but its involvement in AD pathogenesis was never assessed. We first performed brain immunocytochemistry, using a monoclonal anti-ECE-1 antibody, and(More)
The frequency of a genetic susceptibility vascular factor, the deletion (D) allele of the angiotensin I converting enzyme gene (ACE), coding for a key enzyme of the renin angiotensin system, was characterized in two independent case--control studies. The results of the current study suggest that bearing at least one ACE D allele is a risk factor to develop(More)
BACKGROUND Cocaine and amphetamine regulated transcript (CART) is an anorectic neuropeptide located principally in hypothalamus. CART has been shown to be involved in control of feeding behavior, but a direct relationship with obesity has not been established. The aim of this study was to evaluate the effect of polymorphisms within the CART gene with(More)
Previous observations suggest a contribution of two APOE promoter polymorphisms (-219 G/T and -491 A/T) in dementia. From two independent populations of elderly (mean age of 84 and 85 years old, respectively), we observed that subjects bearing the -219T allele were at increased risk of dementia (OR = 1.9 (95% CI, 1.3-2.8), P = 0.0003) or AD (OR = 2.0 (95%(More)
Several clinical, epidemiological, and pathological observations suggest that vascular risk factors are associated with cognitive performances. The renin-angiotensin system components, major determinants of the cardiovascular system, are expressed in the brain. To estimate their potential impact on cognitive performances, we studied the association between(More)
Islet-brain1 (IB1) or c-Jun NH2 terminal kinase interacting protein-1 (JIP-1), the product of the MAPK8IP1 gene, functions as a neuronal scaffold protein to allow signalling specificity. IB1/JIP-1 interacts with many cellular components including the reelin receptor ApoER2, the low-density lipoprotein receptor-related protein (LRP), kinesin and the(More)
Neurofibrillary tangles and senile plaques, constituted of extracellular amyloid deposits (Abeta), are the two defining pathological hallmarks of Alzheimer's disease (AD). Inhibiting the synthesis or aggregation of Abeta or increasing its clearance may reduce the detrimental effects of this peptide and consequently improve cognitive functions in patients.(More)