National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Forbes Disease is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
- Amylo-1,6-Glucosidase Deficiency
- Cori Disease
- Debrancher Deficiency
- Glycogenosis Type III
- Glycogen Storage Disease III
- Limit Dextrinosis
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.
Association for Glycogen Storage Disease
- P.O. Box 896
- Durant, IA 52747
- Tel: (563)514-4022
- Fax: (563)514-4022
- Email: email@example.com
- Website: http://www.agsdus.org
Association for Glycogen Storage Disease (UK) Ltd
- Old Hambledon Racecourse
- Sheardley Lane, Droxford
- Hampshire, SO32 3QY
- United Kingdom
- Tel: 3001232790
- Email: firstname.lastname@example.org
- Website: http://www.agsd.org.uk
CLIMB (Children Living with Inherited Metabolic Diseases)
- Climb Building
- 176 Nantwich Road
- Crewe, CW2 6BG
- United Kingdom
- Tel: 4408452412173
- Fax: 4408452412174
- Email: email@example.com
- Website: http://www.CLIMB.org.uk
Genetic and Rare Diseases (GARD) Information Center
- PO Box 8126
- Gaithersburg, MD 20898-8126
- Tel: (301)251-4925
- Fax: (301)251-4911
- Tel: (888)205-2311
- Website: http://rarediseases.info.nih.gov/GARD/
Muscular Dystrophy Association
- 3300 East Sunrise Drive
- Tucson, AZ 85718-3208
- Tel: (520)529-2000
- Fax: (520)529-5300
- Tel: (800)572-1717
- Email: firstname.lastname@example.org
- Website: http://www.mda.org/
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email email@example.com
Last Updated: 12/24/1969
Copyright 2007 National Organization for Rare Disorders, Inc.
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