Journal
JOURNAL OF THE NEUROLOGICAL SCIENCES
Volume 218, Issue 1-2, Pages 47-51Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jns.2003.10.008
Keywords
Alzheimer's disease; genetic polymorphisms; ACE; A2M; Colombian population; risk factors
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Polymorphisms in alpha-2-macroglobulin (A2M) and angiotensin-converting enzyme (ACE) genes have been considered as risk factors for Alzheimer's disease (AD) independently of the risk conferred by the apolipoprotein E EA allele (APOFepsilon4) in diverse populations. In the present study, we have analysed the distribution of genotypes and alleles of the insertion/deletion (I/D) polymorphisms of ACE and A2M in 83 AD patients and 69 normal controls in Colombia. Our results showed that there is no association between the I/D polymorphisms of ACE and A2M with AD (P = 0.788 and P = 0.538, respectively). Using logistic regression and multiple correlation analysis (MCA), we confirmed that the main risk factor associated and consistently grouped with AD patients in this population is APOEepsilon4, but this association was not observed with alleles and genotypes of ACE and A2M. (C) 2003 Published by Elsevier B.V.
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