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Title
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APOE 4 and Alzheimer's disease : positive association in a Colombian clinical series and review of the Latin-American studies
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Author
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Abstract
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| Objective: As the strength of the association between the APOE epsilon4 allele and Alzheimer's disease (AD) varies across ethnic groups, we studied if there was such an association in Colombian patients. Method: We performed apolipoprotein E (APOE) genotyping in a clinical sample of 83 unrelated AD patients, predominantly late-onset (>65 yrs) including familial (n = 30) and sporadic AD cases (n = 53) diagnosed according to NINCDS-ADRDA criteria and assessed by a multi-disciplinary team. Control subjects (n = 44) had no significant cognitive impairment by medical interview and neuro-psychological testing. Results: We found a high association (OR = 5.1 95%Cl 1.9 - 13.6) between APOE epsilon4 and AD, in this series with predominantly late-onset cases with familial aggregation in 24 cases (28.9%). A significant negative association was found between epsilon2 and AD (OR = 0.2 95% CI 0.05 - 0.75). Conclusion: Further population-based surveys in Colombia are warranted to precise a possible dose effect of APOE epsilon4. |
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Language
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English
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Source (journal)
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Arquivos de neuro-psiquiatria. - São Paulo
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Publication
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São Paulo
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2001
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ISSN
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0004-282X
1678-4227
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DOI
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10.1590/S0004-282X2001000100004
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Volume/pages
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59
:1
(2001)
, p. 11-17
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ISI
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000167865000003
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Full text (Publisher's DOI)
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Full text (open access)
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