Rett Syndrome

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Rett Syndrome 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.

Synonyms

  • Autism, Ataxia, and Loss of Purposeful Hand Use
  • RS
  • RTS

Disorder Subdivisions

  • None

General Discussion

Rett Syndrome is a rare neurodevelopmental disorder that appears to occur almost exclusively in females but can occur rarely in males. Infants and children with the disorder typically develop normally until about 7 to 18 months of age, when they may begin to lose previously acquired skills (developmental regression), such as purposeful hand movements and the ability to communicate. Additional abnormalities typically include slowing of head growth (acquired microcephaly); development of distinctive, uncontrolled (stereotypic) hand movements, such as hand clapping, rubbing, or "wringing"; and impaired control of voluntary movements required for coordination of walking (gait apraxia). Affected children also typically develop autistic-like behaviors, breathing irregularities, feeding and swallowing difficulties, growth retardation, and episodes of uncontrolled electrical activity in the brain (seizures).

Rett Syndrome results from a mutation (change) on the X chromosome that is transmitted as an X-linked trait. However, most cases are thought to represent new mutations that appear to occur spontaneously (sporadically) for unknown reasons. In some affected females, the disorder may result from mutations of a gene known as MECP2 that is located on the long arm (q) of chromosome X (Xq28). The MECP2 gene is thought to play an essential role in brain development.
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Resources

WE MOVE (Worldwide Education and Awareness for Movement Disorders)
204 West 84th Street
New York, NY 10024
USA
Tel: (212)875-8312
Fax: (212)875-8389
Email: wemove@wemove.org
Internet: http://www.wemove.org

March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
Tel: (914)997-4488
Fax: (914)997-4763
Tel: (888)663-4637
Email: Askus@marchofdimes.com
Internet: http://www.marchofdimes.com

Arc (a national organization on mental retardation)
1010 Wayne Ave
Suite 650
Silver Spring, MD 20910
Tel: (301)565-3842
Fax: (301)565-3843
Tel: (800)433-5255
TDD: (817)277-0553
Email: info@thearc.org
Internet: http://www.thearc.org/

International Rett Syndrome Foundation
4600 Devitt Drive
Clinton, MD 45246
USA
Tel: (301)856-3334
Fax: (513)874-2523
Tel: (800)818-7388
Email: irsa@rettsyndrome.org
Internet: http://www.rettsyndrome.org

Naidu, Sakkubai, M.D.
John F. Kennedy Institute for Handicapped Children
707 North Broadway
Baltimore, MD 21205

Glaze, Daniel, M.D.
Department of Pediatrics
Rett Syndrome Center
Baylor College of Medicine
Houston, TX 77030

National Institute of Neurological Disorders and Stroke (NINDS)
P.O. Box 5801
Bethesda, MD 20824
Tel: (301)496-5751
Fax: (301)402-2186
Tel: (800)352-9424
TDD: (301)468-5981
Email: me20t@nih.gov
Internet: http://www.ninds.nih.gov/

MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
USA
Tel: (920)336-5333
Fax: (920)339-0995
Tel: (877)336-5333
Email: mums@netnet.net
Internet: http://www.netnet.net/mums/

Sjældne Diagnoser / Rare Disorders Denmark
Frederiksholms Kanal 2, 3rd Floor
Copenhagen K, 1220
Denmark
Tel: 45 33 14 00 10
Fax: 45 33 14 55 09
Email: mail@sjaeldnediagnoser
Internet: http://www.raredisorders.dk

New Horizons Un-Limited, Inc.
811 East Wisconsin Ave
Suite 937
Milwaukee, WI 53202
USA
Tel: (414)299-0124
Fax: (414)347-1977
Email: horizons@new-horizons.org
Internet: http://www.new-horizons.org

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
TDD: (888)205-3223
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

Madisons Foundation
PO Box 241956
Los Angeles, CA 90024
Tel: (310)264-0826
Fax: (310)264-4766
Email: getinfo@madisonsfoundation.org
Internet: http://www.madisonsfoundation.org

Child Neurology Foundation
2000 West 98th Street
Bloomington, MN 55431
USA
Tel: (952)641-6100
Fax: (952)881-6276
Tel: (800)263-5430
Email: jstone@childneurologyfoundation.org
Internet: http://www.childneurologyfoundation.org

For a Complete Report

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

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