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- Title
Cyp46 polymorphisms in Alzheimer's disease: a review.
- Authors
Garcia, Anália Nusya Medeiros; Muniz, Maria Tereza Cartaxo; Souza e Silva, Hugo Rafael; da Silva, Helker Albuquerque; Athayde-Junior, Luiz
- Abstract
Increasing research findings argue for a link between brain cholesterol turnover and Alzheimer's disease (AD). High cerebral levels of this lipid increase Ass load. The elimination of cerebral cholesterol involves two mechanisms, dependent of apolipoprotein E and cholesterol 24-hydroxylase (CYP46). CYP46 is a gene associated with AD; the most studied single nucleotide polymorphism is the rs754203, which changes T-->C. Some studies describe that this polymorphism is possibly associated with loss of function of CYP46; others describe that it is possibly associated with cerebral cholesterol accumulation or an increase of CYP46 activity leading to an accumulation of the 24S-hydroxycholesterol in cerebrospinal fluid. Publications about this subject around the world are controversial. Some studies associate the T allele with AD and others the C allele. The aim of this review is to describe and summarize the findings of the researches about the relationship between CYP46 and AD that have been published in the past 9 years.
- Publication
Journal of molecular neuroscience : MN, 2009, Vol 39, Issue 3, p342
- ISSN
1559-1166
- Publication type
Journal Article
- DOI
10.1007/s12031-009-9227-2