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To investigate the genetics and epidemiology of fasting and postprandial lipid, lipoprotein, and apolipoprotein levels.
Altered plasma lipid, lipoprotein, and apolipoprotein levels are associated with the occurrence of coronary heart disease, non-insulin dependent diabetes, and gallbladder disease. Although there are many other environmental and biological correlates, clinical, epidemiological, and experimental lines of evidence indicate that lipid metabolism has a central role in the development of coronary heart disease. Evidence pointing to the association between measures of lipid metabolism and other chronic diseases is no less compelling. Non-insulin dependent diabetes mellitus exhibits both the diagnostic abnormal carbohydrate utilization, and altered lipid metabolism. The hypothesis that abnormal lipid metabolism may be causally involved in gallbladder disease is suggested by the presence of cholesterol saturated bile several years prior to the onset of clinically definable gallstones.
Biometrical genetic studies have established that a significant proportion of the fasting plasma lipid, lipoprotein, and apolipoprotein levels is attributable to genetic differences among individuals. Although these studies indicate that polygenetic variability is contributing, they do not yield information about specific candidate genes whose products are involved in the metabolism of the phenotype of interest. Recent advances in molecular biology enable one to measure genetic variability at candidate loci for several risk factors for the common chronic diseases. With this information the contribution of specific candidate genes to polygenetic and phenotypic variability can be estimated. Estimating the effects of specific candidate loci will facilitate the investigation of the interaction between genetic and environmental factors. This study focussed on restriction fragment length polymorphisms in and around the apolipoprotein B gene and on the apolipoprotein E protein polymorphism. The apolipoprotein B and apolipoprotein E genes were selected because of their central role in lipid metabolism and interaction with dietary factors.
Using data and blood samples from the 75 nuclear families of Nancy, a determination was made of the effects of apolipoprotein B and E genes on fasting levels of total cholesterol and triglycerides, LDL-cholesterol, HDL-cholesterol, HDL2-cholesterol, HDL3-cholesterol, apo A-I, apo-B, apo C-III, and apo-E. Genetic variability was directly assessed by DNA restriction site variability in the apolipoprotein B gene and by measuring the apolipoprotein E polymorphism. Data collected from these families permitted the partitioning of the effects of the apolipoprotein B and E genes from the overall polygenetic and phenotypic variance of the measured lipids, lipoproteins, and apolipoproteins.
Fasting and postprandial lipids, lipoproteins, and apolipoproteins were obtained from 100 Mexican-American women. A determination was made of the effects of apolipoprotein E and B genes, disease status, age, and their interactions on fasting and postprandial lipid metabolism.
Observational Model: Natural History
National Heart, Lung, and Blood Institute (NHLBI)
Published on BioPortfolio: 2014-08-27T03:57:59-0400
Human immunodeficiency virus (HIV) infection has been associated with a variety of cardiovascular diseases. Even most industrialised countries exhibit a growing and aging population of HIV...
This study evaluates the effects of different volumes of aerobic exercise training in cardiovascular parameters of patients with cardiovascular diseases enrolled in a cardiac rehabilitatio...
The purpose of this study is to better understand the association between the postprandial biomarker responses after a food challenge with the development of cardiovascular diseases in hea...
To develop a comprehensive protocol for assessing cardiovascular reactivity to stressors, for use in epidemiological and clinical investigations of cardiovascular diseases in healthy popul...
The Silesian Cardiovascular Database is an observational study of all patients hospitalized due to cardiovascular diseases. The date include information on the clinical characteristics, tr...
Although alexithymia has been suggested to be associated with cardiovascular diseases, studies are scarce and a causal relationship is questionable. This study explored the prospective association bet...
To examine the trend of cardiovascular diseases (CVD) risk factors among a Middle Eastern population with prevalent CVD during a median follow up of 12 years.
Cardiovascular disease is a primary cause of mortality worldwide. Therefore, it is of major interest to identify sensitive molecular markers that predict cardiovascular events and point to therapeutic...
The aim of the present study was to examine the relation between understanding of emotions and cardiovascular related diseases, namely coronary heart disease, diabetes mellitus and obesity. The unique...
Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM.
Methods and procedures for the diagnosis of diseases or dysfunction of the cardiovascular system or its organs or demonstration of their physiological processes.
Unexpected rapid natural death due to cardiovascular collapse within one hour of initial symptoms. It is usually caused by the worsening of existing heart diseases. The sudden onset of symptoms, such as CHEST PAIN and CARDIAC ARRHYTHMIAS, particularly VENTRICULAR TACHYCARDIA, can lead to the loss of consciousness and cardiac arrest followed by biological death. (from Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 7th ed., 2005)
Dental care for patients with chronic diseases. These diseases include chronic cardiovascular, endocrinologic, hematologic, immunologic, neoplastic, and renal diseases. The concept does not include dental care for the mentally or physically disabled which is DENTAL CARE FOR DISABLED.
Blood pressure levels that are between normotension and hypertension. Individuals with prehypertension are at a higher risk for developing cardiovascular diseases. Generally, prehypertension is defined as SYSTOLIC PRESSURE of 131-139 mm Hg and/or DIASTOLIC PRESSURE of 81-89 when the optimal is 120/80 mm Hg. For diabetics and other metabolism diseases the prehypertension is around 110-129/70-79 mm Hg.
Blood is a specialized bodily fluid that delivers necessary substances to the body's cells (in animals) – such as nutrients and oxygen – and transports waste products away from those same cells. In vertebrates, it is composed of blo...