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Titolo:
GENETIC-BASIS OF VARIATION IN CAROTID-ARTERY WALL THICKNESS
Autore:
DUGGIRALA R; VILLALPANDO CG; OLEARY DH; STERN MP; BLANGERO J;
Indirizzi:
UNIV TEXAS,HLTH SCI CTR,DEPT MED,DIV CLIN EPIDEMIOL,7703 FLOYD CURL DR SAN ANTONIO TX 78284 SW FDN BIOMED RES,DEPT GENET SAN ANTONIO TX 00000 TUFTS UNIV,NEW ENGLAND MED CTR,SCH MED,DEPT RADIOL BOSTON MA 02111 AMER BRITISH COWDRAY HOSP,CTR ESTUDIOS DIABET MEXICO CITY DF MEXICO HOSP BERNARDO SEPULVEDA,CTR MED NACL,UNIDAD INVEST MED ENFERMEDADES METAB MEXICO CITY DF MEXICO INST MEXICANO SEGURO SOCIAL MEXICO CITY DF MEXICO
Titolo Testata:
Stroke
fascicolo: 5, volume: 27, anno: 1996,
pagine: 833 - 837
SICI:
0039-2499(1996)27:5<833:GOVICW>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
POPULATION-BASED ULTRASONOGRAPHY; DEPENDENT DIABETES-MELLITUS; CARDIOVASCULAR HEALTH; FAMILIAL RESEMBLANCE; PEDIGREE ANALYSIS; BLOOD-PRESSURE; HEART-DISEASE; ATHEROSCLEROSIS; DETERMINANTS; PROGRESSION;
Keywords:
CAROTID ARTERIES; GENETICS; ULTRASONICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
50
Recensione:
Indirizzi per estratti:
Citazione:
R. Duggirala et al., "GENETIC-BASIS OF VARIATION IN CAROTID-ARTERY WALL THICKNESS", Stroke, 27(5), 1996, pp. 833-837

Abstract

Background and Purpose Other than the documented associations of riskfactors and carotid artery wall thickness, the genetic basis of variation in carotid artery intimal-medial thickness (IMT) is unknown. The purpose of this study was to examine the extent to which variation in common carotid artery (CCA) IMT and internal carotid artery (ICA) IMT are under genetic control. Methods The sibship data used for this analysis were part of an epidemiological survey in Mexico City. The CCA and ICA analyses were based on 46 and 44 sibships of various sizes, respectively. The CCA and ICA IMTs were measured with carotid ultrasonography. Using a robust variance decomposition method, we performed genetic analyses of CCA IMT and ICA IMT measurements with models incorporating several cardiovascular risk factors (eg, lipids, diabetes, blood pressure, and smoking) as covariates. Results After accounting for the effects of covariates, we detected high heritabilities for CCA IMT (h(2) = 0.92 +/- 0.05, P = .001) and ICA IMT (h(2) = 0.86 +/- 0.13, P = .029). Genes accounted for 66.0% of the total variation in CCA IMT, whereas 27.7% of variation was attributable to covariates. For ICA IMT, genes explained a high proportion (74.9%) of total phenotypic variation. The covariates accounted for 11.5% of variation in ICA IMT. Conclusions Our results suggest that substantial proportions of phenotypic variance in CCA IMT and ICA IMT are attributable to shared genetic factors.

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Documento generato il 27/11/20 alle ore 01:23:50