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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
2002-8-22
pubmed:abstractText
Because of its implication in neuroprotection, formation of long lasting memories and a disturbed function in Alzheimer's disease (AD), brain-derived neurotrophic factor (BDNF) may represent an appropriate candidate gene conferring risk to AD. Recently, a single nucleotide polymorphism (C-270T) within the BDNF gene has been associated with late onset AD in a Japanese population giving an odds ratio (OR) of 3.8. Because of the importance of this finding we analysed the BDNF polymorphism in a German sample consisting of 210 patients with AD and 188 cognitively healthy controls. The T-allele frequency was higher in patients with AD (11.9%) compared to controls (6.9%) (P = 0.035; OR = 2.26; 95% CI: 1.04-4.48). The risk conferred by the T-allele was stronger in patients who lack the ApoE epsilon4 allele giving an OR of 2.61 (1.21-5.64) P = 0.015, particularly in patients with early onset of the disease; OR 3.13 (1.32-7.43); P= 0.01. Due to the small number of patients showing both, lack of the ApoE epsilon4 allele and the BDNF T allele (n = 18), the result needs to be confirmed in a larger sample. The results suggest that the BDNF C-270T polymorphism is a relevant risk factor for AD particularly in patients lacking the ApoE epsilon4 allele in this German sample.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1359-4184
pubmed:author
pubmed:issnType
Print
pubmed:volume
7
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
782-5
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2002
pubmed:articleTitle
A polymorphism of the brain-derived neurotrophic factor (BDNF) is associated with Alzheimer's disease in patients lacking the Apolipoprotein E epsilon4 allele.
pubmed:affiliation
Neurochemistry and Neurogenetics Laboratory, Department of Psychiatry and Psychotherapy, Technische Universität München, Munich, Germany. m.riemenschneider@lrz.tu-muenchen.de
pubmed:publicationType
Journal Article