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Biotinidase deficiency

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Synonyms of Biotinidase deficiency
  • BTD deficiency
  • Infantile multiple carboxylase deficiency
  • Juvenile multiple carboxylase deficiency
  • Late-onset multiple carboxylase deficiency
  • Multiple carboxylase deficiency, due to biotinidase deficiency

Disorder Subdivisions



General Discussion
Biotinidase deficiency (BTD) is a treatable, metabolic disorder that is the result of a low concentration, or complete lack, of the enzyme, biotinidase. Biotinidase deficiency is an inherited disorder in which the body is not able to properly process the vitamin, biotin, which is sometimes referred to as Vitamin H. Biotin is an essential vitamin to the metabolic process and biotinidase, among its other functions, allows biotin to become available for use by the body. Mutations in the BTD gene cause biotinidase deficiency. The genetic traits associated with biotinidase deficiency are transmitted in an autosomal recessive manner.

Most infants with BTD show signs of lactic acid in the urine (aciduria), a widespread, red, skin rash (eczema), seizures, poor muscle tone (hypotonia), developmental delays, and hair loss (alopecia). Daily treatment with biotin supplements will clear up these symptoms.

Organizations related to Biotinidase deficiency
  • Biotinidase Deficiency Family Support Group
    Henry Ford Hospital
    2799 West grand Blvd., CFP-4
    Detroit MI 48202
    Phone #: 770-486-7283
    800 #: N/A
    e-mail: Laurie.Farmer@fda.gov
    Home page: http://www.biotinidasedeficiency.20m.com/
  • CLIMB (Children Living with Inherited Metabolic Diseases)
    Climb Building
    176 Nantwich Road
    Crewe Intl CW2 6BG
    Phone #: 084-5 2-41 2174
    800 #: 080-0 6-52 3181
    e-mail: info.svcs@climb.org.uk
    Home page: http://www.CLIMB.org.uk
  • Genetic and Rare Diseases (GARD) Information Center
    PO Box 8126
    Gaithersburg MD 20898-8126
    Phone #: 301-251-4925
    800 #: 888-205-2311
    e-mail: http://rarediseases.info.nih.gov/GARD/EmailForm.aspx
    Home page: http://rarediseases.info.nih.gov/GARD
  • MUMS National Parent-to-Parent Network
    150 Custer Court
    Green Bay WI 54301-1243
    Phone #: 920-336-5333
    800 #: 877-336-5333
    e-mail: mums@netnet.net
    Home page: http://www.netnet.net/mums/
  • Madisons Foundation
    PO Box 241956
    Los Angeles CA 90024
    Phone #: 310-264-0826
    800 #: N/A
    e-mail: getinfo@madisonsfoundation.org
    Home page: http://www.madisonsfoundation.org
  • NIH/National Digestive Diseases Information Clearinghouse
    2 Information Way
    Bethesda MD 20892-3570
    Phone #: 301-654-3810
    800 #: 800-891-5389
    e-mail: nddic@info.niddk.nih.gov
    Home page: http://www.niddk.nih.gov

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Last modified Wednesday, November 26, 2008