My nephew has been diagnosed with Angelman's syndrome. What can you tell me about this condition?
Angelman's syndrome is a neurological disorder caused by abnormalities in a series of genes on chromosome 15 that regulate production of the protein ubiquitin. Although Angelman's syndrome is typically inherited, it can also result from a spontaneous gene mutation in an individual with no family history of the disease.
Infants with Angelman's syndrome appear normal at birth. But they often begin to have feeding problems at 1 to 2 months of age. More noticeable developmental delays occur by 6 to 12 months.
Signs and symptoms of Angelman's syndrome include:
Angelman's syndrome is typically diagnosed between the ages of 3 and 7 years. There's no cure for this disorder. Treatment is directed at reducing and managing the signs and symptoms and may include:
© 1998-2016 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. A single copy of these materials may be reprinted for noncommercial personal use only. "Mayo," "Mayo Clinic," "MayoClinic.com," "Mayo Clinic Health Information," "Reliable information for a healthier life" and the triple-shield Mayo logo are trademarks of Mayo Foundation for Medical Education and Research.
Terms and conditions of use