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Genetic and Rare Diseases Information Center (GARD)

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Fumarase deficiency


Other Names for this Disease

  • Fumarate hydratase deficiency
  • Fumaric aciduria
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Overview

Fumarase deficiency is an inherited condition that primarily affects the nervous system, especially the brain. Affected infants may have microcephaly, abnormal brain structure, severe developmental delay, weak muscle tone (hypotonia), failure to thrive, seizures, and/or distinctive facial features. Other signs and symptoms may include hepatosplenomegaly, an excess of red blood cells (polycythemia), and/or or deficiency of white blood cells (leukopenia). Affected individuals usually survive only a few months, but a few have lived into early adulthood. This condition is caused by mutations in the FH gene and is inherited in an autosomal recessive manner.[1] No effective treatment is currently available.[2]
Last updated: 11/6/2012

References

  1. Fumarase deficiency. Genetics Home Reference. April 2008; http://ghr.nlm.nih.gov/condition/fumarase-deficiency. Accessed 1/20/2012.
  2. Vivian E Shih and Roseann Mandell. Fumarate Hydratase Deficiency. GeneReviews. June 2, 2009; http://www.ncbi.nlm.nih.gov/books/NBK1506/. Accessed 11/6/2012.
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Basic Information

In Depth Information

  • The Online Mendelian Inheritance in Man (OMIM) is a 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 Fumarase deficiency. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • Fumarate hydratase deficiency
  • Fumaric aciduria
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.