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To identify new dilated cardiomyopathy genes by genetic linkage and mutational analyses.
Dilated cardiomyopathy (DCM) is a heritable, genetically heterogeneous disorder causing congestive heart failure. Current medical therapy has minimal impact on prognosis and cardiac transplantation is the only definitive treatment for end-stage disease. The molecular and cellular mechanisms underlying DCM are poorly defined, but the importance of single gene defects in disease pathogenesis is becoming increasingly apparent.
The genetic epidemiology study will identify novel dilated cardiomyopathy genes using genetic linkage and mutational analyses. The first aim is to determine the chromosomal location of novel familial dilated cardiomyopathy genes. This will be accomplished by genome-wide genotyping and genetic linkage analyses in three large families with autosomal dominant dilated cardiomyopathy. Previously identified dilated cardiomyopathy genes have been excluded in these families. The second aim is to identify mutations in novel genes that cause familial dilated cardiomyopathy by linkage and sequence analyses of candidate genes mapping to dilated cardiomyopathy loci. Once novel genes for familial dilated cardiomyopathy are identified, the third aim will be to determine the role of these genes in a large cohort of unrelated patients with familial and sporadic dilated cardiomyopathy. High throughput DNA sequence analyses will be performed to identify additional inherited and de novo mutations.
National Heart, Lung, and Blood Institute (NHLBI)
Published on BioPortfolio: 2014-08-27T03:55:46-0400
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Intracoronary infusion of bone marrow derived progenitor cells into the LAD in patients with non ischemic dilated cardiomyopathy.
This study will evaluate the prognostic utility of novel ECG markers of electrical instability in patients with cardiomyopathy.
Dilated cardiomyopathy is a heart muscle disorder characterized by systolic dysfunction and dilation of the left or both ventricles.Dilated cardiomyopathy can develop in people of any age ...
The primary aim of this study is to assess the changes on the shape and function of the left ventricle in patients with severe mitral valve regurgitation due to congestive heart failure an...
The Cardiomyopathy Registry of the EURObservational Research Programme is a prospective, observational, and multinational registry of consecutive patients with four cardiomyopathy subtypes: hypertroph...
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an important cause of sudden death in people and boxer dogs that has recently been described in English bulldogs. The objective of this retros...
Takotsubo cardiomyopathy (TTC) is a stress-related transient cardiomyopathy. Life threatening arrhythmias (LTA) can occur and worsen prognosis.
Hospital discharges with a diagnosis of cardiomyopathy have more than doubled in Sweden since 1987. We validated the cardiomyopathy diagnoses over this time period to investigate that the increase was...
Patients with myasthenia crisis can develop Takotsubo stress cardiomyopathy (SC) due to emotional or physical stress and high level of circulating catecholamines. We report a patient who developed rec...
A group of diseases in which the dominant feature is the involvement of the CARDIAC MUSCLE itself. Cardiomyopathies are classified according to their predominant pathophysiological features (DILATED CARDIOMYOPATHY; HYPERTROPHIC CARDIOMYOPATHY; RESTRICTIVE CARDIOMYOPATHY) or their etiological/pathological factors (CARDIOMYOPATHY, ALCOHOLIC; ENDOCARDIAL FIBROELASTOSIS).
Disease of CARDIAC MUSCLE resulting from chronic excessive alcohol consumption. Myocardial damage can be caused by: (1) a toxic effect of alcohol; (2) malnutrition in alcoholics such as THIAMINE DEFICIENCY; or (3) toxic effect of additives in alcoholic beverages such as COBALT. This disease is usually manifested by DYSPNEA and palpitations with CARDIOMEGALY and congestive heart failure (HEART FAILURE).
An autosomal dominant inherited form of HYPERTROPHIC CARDIOMYOPATHY. It results from any of more than 50 mutations involving genes encoding contractile proteins such as VENTRICULAR MYOSINS; cardiac TROPONIN T; ALPHA-TROPOMYOSIN.
An autoimmune disorder of the EYE, occurring in patients with Graves disease. Subtypes include congestive (inflammation of the orbital connective tissue), myopathic (swelling and dysfunction of the extraocular muscles), and mixed congestive-myopathic ophthalmopathy.
A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666)
Organ transplantation is the moving of an organ from one body to another or from a donor site to another location on the patient's own body, for the purpose of replacing the recipient's damaged or absent organ. The emerging field of regenerative ...
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...