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This database contains 6 studies, archived under the term: "cholesterol"

Statins and serum cholesterol’s associations with incident dementia and mild cognitive impairment

Background: Statin use and serum cholesterol reduction have been proposed as preventions for dementia and mild cognitive impairment (MCI). Methods: 1604 and 1345 eligible participants from the Baltimore Longitudinal Study of Aging (BLSA) were followed after age 50 for a median time of around 25 years, to examine the incidence of dementia (n = 259) […]

The effect of HMG-CoA reductase inhibitors on cognition in patients with Alzheimer’s dementia: a prospective withdrawal and rechallenge pilot study

Background: Statins are well-known for their cardiovascular benefits. However, the cognitive effects of statins are not well understood. We hypothesized that individuals with preexisting dementia would be more vulnerable to statin-related cognitive effects.; Objective: The aim of this study was to evaluate the impact on cognition of 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitor (statin) discontinuation and rechallenge […]

Effects of simvastatin on cholesterol metabolism and Alzheimer disease biomarkers

Preclinical and epidemiologic studies suggest a protective effect of statins on Alzheimer disease (AD). Experimental evidence indicates that some statins can cross the blood-brain barrier, alter brain cholesterol metabolism, and may ultimately decrease the production of amyloid-beta (Abeta) peptide. Despite these promising leads, clinical trials have yielded inconsistent results regarding the benefits of statin treatment […]

A randomized, double-blind, placebo-controlled trial of simvastatin to treat Alzheimer disease

Background: Lowering cholesterol is associated with reduced CNS amyloid deposition and increased dietary cholesterol increases amyloid accumulation in animal studies. Epidemiologic data suggest that use of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors (statins) may decrease the risk of Alzheimer disease (AD) and a single-site trial suggested possible benefit in cognition with statin treatment in AD, […]

A randomized controlled trial of multicomponent exercise in older adults with mild cognitive impairment

Background: To examine the effect of multicomponent exercise program on memory function in older adults with mild cognitive impairment (MCI), and identify biomarkers associated with improvement of cognitive functions.; Methodology/principal Findings: Subjects were 100 older adults (mean age, 75 years) with MCI. The subjects were classified to an amnestic MCI group (n = 50) with neuroimaging measures, […]

Statins as neuroprotectants: a comparative in vitro study of lipophilicity, blood-brain-barrier penetration, lowering of brain cholesterol, and decrease of neuron cell death

There is growing evidence to support the hypothesis that statins may act as neuroprotectants in several neuropathological conditions, including Alzheimer’s disease. The mechanisms for neuroprotection are only partially understood, however, and pleiotropic phenomena could be involved. We have made a comparative study of 9 statins (lovastatin, mevastatin, pravastatin, simvastatin, cerivastatin, atorvastatin, fluvastatin, pitavastatin, and rosuvastatin), […]

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