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Genetic association studies between dementia of the Alzheimer's type and three receptors for apolipoprotein E in a Caucasian population

Lendon, C. L., Talbot, C. J., Craddock, Nicholas John ORCID: https://orcid.org/0000-0003-2171-0610, Han, S. W., Wragg, M., Morris, J. C. and Goate, A. M. 1997. Genetic association studies between dementia of the Alzheimer's type and three receptors for apolipoprotein E in a Caucasian population. Neuroscience Letters 222 (3) , pp. 187-190. 10.1016/s0304-3940(97)13381-x

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Abstract

The epsilon 4 allele of the apolipoprotein E gene (ApoE) is associated with an increased risk for sporadic and some familial forms of Alzheimer's disease (AD) but the precise mechanism of pathogenesis is unknown. ApoE is a ligand for at least three receptors in the central nervous system, low density lipoprotein receptor (LDL-R), very low density lipoprotein receptor VLDL-R and low density lipoprotein-like receptor (LRP). We have tested for association between these receptors and dementia of the Alzheimer's type (DAT) in a clinically based sample of Caucasian cases and age-matched controls. In contrast to findings in a Japanese cohort we detected no association between DAT and a polymorphism in the VLDL-R gene. No association was detected with the LDL-R gene. We observed a possible association between the 87 allele of a polymorphism within the LRP gene and DAT which remained significant after correction for multiple testing. When the effects of known risk factors for AD such as ApoE epsilon 4 were applied, the effect of LRP no longer reached conventional levels of statistical significance. Nevertheless, LRP is a plausible candidate gene and we may be observing a minor risk factor that will require further examination in other large independent samples to assess whether it truly modifies susceptibility to DAT.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Subjects: R Medicine > R Medicine (General)
R Medicine > RZ Other systems of medicine
Publisher: Elsevier
ISSN: 0340-3940
Last Modified: 27 Oct 2022 08:31
URI: https://orca.cardiff.ac.uk/id/eprint/62550

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