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white matter of the brain. The white matter degrades due to defects of the myelin, which is a fatty covering that insulates nerves in the brain. Myelin is needed to protect the nerves and the nerves can't function normally without it. These disorders are progressive, meaning they tend to get worse with time. The leukodystrophies are a group of disorders caused by spelling mistakes (mutations) in the genes involved in making myelin. Specific leukodystrophies include metachromatic leukodystrophy, Krabbe leukodystrophy, X-linked adrenoleukodystrophy, Pelizaeus-Merzbacher disease, Canavan disease, and Alexander disease. The most common symptom of a leukodystrophy is a decline in functioning of an infant or child who previously appeared healthy. This gradual loss may be seen with issues in body tone, movements, gait, speech, ability to eat, vision, hearing, and behavior.A leukodystrophy is a type of rare genetic disorder that affects the brain, spinal cord, and other nerves in the body. It is caused by destruction of the
Last updated: 1/13/2016
- NINDS Leukodystrophy Information Page. National Institute of Neurological Disorders and Stroke. November 3, 2009; http://www.ninds.nih.gov/disorders/leukodystrophy/leukodystrophy.htm. Accessed 1/25/2010.
- Leukodystrophy. National Organization for Rare Disorders (NORD): http://rarediseases.org/rare-diseases/leukodystrophy/. Accessed 1/13/2016.
- MedlinePlus was designed by the National Library of Medicine to help you research your health questions, and it provides more information about this topic.
- The National Institute of Neurological Disorders and Stroke (NINDS) collects and disseminates research information related to neurological disorders. Click on the link to view information on this topic.
- The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.
- The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
- 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 Leukodystrophy. Click on the link to view a sample search on this topic.