The C677T methylenetetrahydrofolate reductase mutation is not associated with Alzheimer's disease

被引：43
|
作者：
Brunelli, T
Bagnoli, S
Giusti, B
Nacmias, B
Pepe, G
Sorbi, S
Abbate, R
机构：
[1] Univ Florence, Dept Neurol & Psychait Sci, I-50134 Florence, Italy
[2] Univ Florence, Sect Clin Med & Cardiol, Dept Med & Surg Crit Care, Florence, Italy
来源：
NEUROSCIENCE LETTERS | 2001年 / 315卷 / 1-2期
关键词：
Alzheimer's disease; methylenetetrahydrofolate reductase; genetics; apolipoprotein E; polymorphism;
D O I：
10.1016/S0304-3940(01)02316-3
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The methylenetetrahydrofolate reductase (MTHFR) gene has been recently considered as a candidate gene for Alzheimer's disease (AD). MTHFR is a key enzyme in the metabolism of homocysteine and elevated levels of that amino acid have been associated to Vascular Dementia and AD. AT --> C transition at codon 677 produces a thermolabile type of the enzyme. However, contrasting results on the distribution of the MTHFR C677T common polymorphism in AD have been published. We analyzed the distribution of the MTHFR and apolipoprotein E (APOE) polymorphisms in Italian patients with sporadic AD. The distribution of the C677T polymorphism did not differ in AD and controls. Our data suggest that the MTHFR polymorphism does not contribute to genetic susceptibility in Italian sporadic AD and does not mitigate the effect of ApoE epsilon4 allele on AD risk. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码：103 / 105
页数：3
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