Apolipoprotein E genotypes were not associated with intracranial atherosclerosis: a population-based autopsy study br

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0
Tipo de produção
article
Data de publicação
2023
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
ELSEVIER SCIENCE INC
Autores
GRINBERG, Lea T.
NASLAVSKY, Michel Satya
ZATZ, Mayana
Citação
CARDIOVASCULAR PATHOLOGY, v.62, article ID 107479, 6p, 2023
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Background: Apolipoprotein E gene (APOE) 64 allele is associated with a higher risk of carotid atherosclerosis, but less is known about the association of APOE with intracranial atherosclerotic disease (IAD). We aimed to investigate the association of APOE alleles with IAD in a cross-sectional autopsy study.Methods: We measured the stenosis in the 12 arteries of the Circle of Willis using postmortem morphometric measurements. The APOE polymorphism was determined by real-time polymerase chain reaction. We assessed the association between APOE polymorphism and IAD using regression models adjusted for sociodemographic and clinical variables. We also verified the modifier effect of age, sex, and race on this association. We stratified the analysis by age group to investigate the possibility of attrition bias.Results: In 400 participants (mean age = 73.2 +/- 12.3 years old, 51% female, and 64% White), IAD was evaluated in 4,504 artery segments. APOE- 64 was not associated with IAD nor with the number of artery stenosis compared to non-APOE- 64 carriers. Sociodemographic variables did not modify this relationship. Among participants older than 70 years, there was a trend towards an association between APOE allele 64 and a lower stenosis index in the middle cerebral artery, suggesting attrition bias related to the APOE- 64 effect on mortality.Conclusions: APOE alleles were not associated with IAD in this population-based autopsy study. Lower stenosis in older participants suggests the possibility of attrition bias.
Palavras-chave
Apolipoprotein E, Atherosclerosis, Cerebral arteries, Epidemiology, Risk factors
URI
https://observatorio.fm.usp.br/handle/OPI/50671
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MPT
Artigos e Materiais de Revistas Científicas - HC/ICHC
Artigos e Materiais de Revistas Científicas - LIM/15
Artigos e Materiais de Revistas Científicas - LIM/22
Artigos e Materiais de Revistas Científicas - LIM/66
Artigos e Materiais de Revistas Científicas - ODS/03