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Diseases

Genetic and Rare Diseases Information Center (GARD)

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Barth syndrome


Other Names for this Disease
  • 3-methylglutaconic aciduria type II
  • BTHS
  • Cardioskeletal myopathy with neutropenia and abnormal mitochondria
  • MGA type II
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Overview


Barth syndrome is a metabolic and neuromuscular disorder, occurring exclusively in males, that primarily affects the heart, immune system, and growth. It typically becomes apparent during infancy or early childhood, but the age of onset, associated symptoms and findings, and disease course varies considerably among affected individuals. The main characteristics of the condition include abnormalities of heart and skeletal muscle (cardiomyopathy and skeletal myopathy); low levels of certain white blood cells called neutrophils that help to fight bacterial infections (neutropenia); and growth retardation, potentially leading to short stature. Other signs and symptoms may include increased levels of certain organic acids in the urine and blood (such as 3-methylglutaconic acid), and increased thickness of the left ventricle of the heart due to endocardial fibroelastosis, which can cause potential heart failure.[1] It is caused by mutations in the TAZ gene and is inherited in an X-linked recessive manner.[1][2] Treatment is directed toward the specific symptoms that are apparent in each individual.[1]
Last updated: 6/3/2011

References

  1. Barth Syndrome. NORD. September 17, 2007; http://www.rarediseases.org/rare-disease-information/rare-diseases/byID/1116/viewAbstract. Accessed 6/3/2011.
  2. 3-methylglutaconic aciduria. Genetics Home Reference. November 2007; http://ghr.nlm.nih.gov/condition/3-methylglutaconic-aciduria. Accessed 6/3/2011.
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Basic Information

In Depth Information

  • The Online Mendelian Inheritance in Man (OMIM) is an catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Barth syndrome. Click on the link to view a sample search on this topic.