Insulin resistance: an atherothrombotic syndrome. The Leeds family study
The insulin resistance syndrome (IRS) is a clustering of atherothrombotic traits associated with increased vascular risk. We investigated the degree to which the phenotypic correlations between these traits are due to shared genetic and environmental factors. A multivariate genetic analysis was perf...
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Published in | Thrombosis and haemostasis Vol. 89; no. 1; p. 161 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Germany
01.01.2003
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Abstract | The insulin resistance syndrome (IRS) is a clustering of atherothrombotic traits associated with increased vascular risk. We investigated the degree to which the phenotypic correlations between these traits are due to shared genetic and environmental factors. A multivariate genetic analysis was performed in 537 adults from 89 healthy white north European families. All traits showed significant heritability. BMI had significant genetic correlations with fasting insulin, systolic blood pressure (sBP), plasminogen activator activator inhibitor-1 (PAI-1) and fibrinogen and triglyceride. Fasting insulin had a significant genetic correlation with fibrinogen and triglyceride and Factor VII (FVII). Significant genetic correlations were shown between triglyceride and PAI-1, fibrinogen and FVII. PAI-1 and tissue plasminogen activator (t-PA) showed significant genetic correlation with sBP and with each other. Pleiotropy was demonstrated between fibrinogen and PAI-1, t-PA and FVII. Significant environmental correlations were also demonstrated. This study demonstrates pleiotropy between coagulation and fibrinolytic factors. Shared genetic and environmental factors influencing haemostatic, metabolic and anthropometric traits underlie the atherothrombotic nature of the IRS. |
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AbstractList | The insulin resistance syndrome (IRS) is a clustering of atherothrombotic traits associated with increased vascular risk. We investigated the degree to which the phenotypic correlations between these traits are due to shared genetic and environmental factors. A multivariate genetic analysis was performed in 537 adults from 89 healthy white north European families. All traits showed significant heritability. BMI had significant genetic correlations with fasting insulin, systolic blood pressure (sBP), plasminogen activator activator inhibitor-1 (PAI-1) and fibrinogen and triglyceride. Fasting insulin had a significant genetic correlation with fibrinogen and triglyceride and Factor VII (FVII). Significant genetic correlations were shown between triglyceride and PAI-1, fibrinogen and FVII. PAI-1 and tissue plasminogen activator (t-PA) showed significant genetic correlation with sBP and with each other. Pleiotropy was demonstrated between fibrinogen and PAI-1, t-PA and FVII. Significant environmental correlations were also demonstrated. This study demonstrates pleiotropy between coagulation and fibrinolytic factors. Shared genetic and environmental factors influencing haemostatic, metabolic and anthropometric traits underlie the atherothrombotic nature of the IRS. |
Author | Freeman, Mark S Grant, Peter J Mansfield, Michael W Barrett, Jenny H |
Author_xml | – sequence: 1 givenname: Mark S surname: Freeman fullname: Freeman, Mark S email: m.s.freeman@leeds.ac.uk organization: Academic Unit of Molecular Vascular Medicine, University of Leeds, UK. m.s.freeman@leeds.ac.uk – sequence: 2 givenname: Michael W surname: Mansfield fullname: Mansfield, Michael W – sequence: 3 givenname: Jenny H surname: Barrett fullname: Barrett, Jenny H – sequence: 4 givenname: Peter J surname: Grant fullname: Grant, Peter J |
BackLink | https://www.ncbi.nlm.nih.gov/pubmed/12540966$$D View this record in MEDLINE/PubMed |
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SubjectTerms | Adult Arteriosclerosis - etiology Arteriosclerosis - genetics Blood Coagulation Factor Inhibitors Blood Coagulation Factors Blood Pressure - genetics Body Mass Index Family Health Genetic Predisposition to Disease Humans Insulin Resistance - genetics Middle Aged Models, Genetic Multivariate Analysis Risk Factors Triglycerides - blood United Kingdom - epidemiology |
Title | Insulin resistance: an atherothrombotic syndrome. The Leeds family study |
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