Forbes Disease / Disease

Diseases & Conditions

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Forbes Disease

Synonyms of Forbes Disease

Amylo-1,6-Glucosidase Deficiency
Cori Disease
Debrancher Deficiency
Glycogenosis Type III
Glycogen Storage Disease III
Limit Dextrinosis

Disorder Subdivisions

General Discussion
Forbes disease (GSD-III) is one of several glycogen storage disorders (GSD) that are inherited as autosomal recessive traits. Symptoms are caused by a lack of the enzyme amylo-1,6 glucosidase (debrancher enzyme). This enzyme deficiency causes excess amounts of an abnormal glycogen (the stored form of energy that comes from carbohydrates) to be deposited in the liver, muscles and, in some cases, the heart.

There are two forms of this disorder. GSD-IIIA affects about 85% of patients with Forbes disease and involves both the liver and the muscles. GSD-IIIB affects only the liver.
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Organizations related to Forbes Disease

Association for Glycogen Storage Disease
P.O. Box 896
Durant IA 52747
Phone #: 563-785-6038
800 #: --
e-mail: [email protected]
Home page: http://www.agsdus.org
Association for Glycogen Storage Disease (UK)
9 Lindop Road
Cheshire None WA159DZ
Phone #: 161-980-7303
800 #: --
e-mail: [email protected]
Home page: http://www.agsd.org.uk
CLIMB (Children Living with Inherited Metabolic Diseases)
Climb Building
Crewe Intl CW2 6BG
Phone #: +44- 87-0 7700 325
800 #: --
e-mail: [email protected]
Home page: http://www.CLIMB.org.uk
MUMS (Mothers United for Moral Support, Inc) National Parent-to-Parent Network
150 Custer Court
Green Bay WI 54301-1243
Phone #: 920-336-5333
800 #: 877-336-5333
e-mail: [email protected]
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: [email protected]
Home page: http://www.madisonsfoundation.org
Muscular Dystrophy Association
3300 E. Sunrise Dr
Tucson AZ 85718
Phone #: 520-529-2000
800 #: 800-344-4863
e-mail: [email protected]
Home page: http://www.mdausa.org
NIH/National Digestive Diseases Information Clearinghouse
2 Information Way
Bethesda MD 20892-3570
Phone #: 301-654-3810
800 #: 800-891-5389
e-mail: [email protected]
Home page: http://www.niddk.nih.gov

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html