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A 47-year-old member asked:

please tell me if angelman syndrome is inherited or a disorder?

2 doctor answers3 doctors weighed in
Dr. Alan Ali
Dr. Alan Ali answered
Psychiatry 32 years experience
Angelman syndrome: It is a Neuro-genetic disorder resulting from abnormality of genes on Chromosome 15 .
Dr. Richard Roberts
Pediatrics 46 years experience
Sometimes: Some cases are due to a mutation carried by the mother. Most are due to spontaneous mutations or epigenetic events in the fertilized egg. So, the risk of Angelman may be inherited, but the disease may be genetic or due to epigenetic factors. It is one of the most complex genetic mechanisms yet discovered, and a clinical geneticist must analyze whether other family members are at up to 50% risk
Dr. Richard Roberts
Pediatrics 46 years experience
Provided original answer
Jun 24, 2015

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A 34-year-old member asked:

Is angelman syndrome dominant or recessive?

2 doctor answers4 doctors weighed in
Dr. Ankush Bansal
Internal Medicine 17 years experience
Neither: Angelman's syndrome doesn't follow simple mendelian genetics. Rather, it's due to de novo single genetic mutations, translocational errors, chromosomal abnormalities, or more commonly epi-genetic mutations such as changes in dna methylation.
A 35-year-old member asked:

What sort of problem is angelman syndrome?

1 doctor answer2 doctors weighed in
Dr. Colin Kerr
Family Medicine 44 years experience
Angelman syndrome: Angelman syndrome is a genetic cause of developmental delay and neurological problems. Affected kids have"flat heads, jerky movements, protruding tongues, and bouts of laughter." infants appear normal at birth, but often have feeding problems in the first months of life and exhibit noticeable developmental delays by 6 to 12 months. Info at: http://www.Ninds.Nih.Gov/disorders/angelman/angelman.Htm.
A 44-year-old member asked:

Are there official recommendations for treating angelman syndrome?

2 doctor answers4 doctors weighed in
Dr. Karl Muench
Clinical Genetics 61 years experience
Treated, not curable: Available treatments are supportive and symptomatic, not curative.
CA
A 34-year-old member asked:

Does the doctor need to do to tests to be sure if the diagnosis is angelman syndrome?

1 doctor answer3 doctors weighed in
Dr. Scott McLean
Clinical Genetics 35 years experience
Genetic tests help: But tests alone will not confirm the diagnosis in 1 out of 10 children with angelman syndrome. Common signs are very delayed development, speech impairment, and trouble with coordination. A specific and complex checklist is the standard way to establish the diagnosis. Anywhere from 1 to 6 genetic tests are used to confirm the diagnosis and tell us if the condition might happen again in the family.
CA
A 34-year-old member asked:

I'm curious. What symptoms go along with angelman syndrome?

1 doctor answer2 doctors weighed in
Dr. Jonathan Dissin
Neurology 39 years experience
Developmental delay: Described in 1965, infants are normal at birth. There is little or no development of speech the child is usually happy & smiling. There is a large mouth with a protruding tongue, hyperactivity is common. Gait is wide based and ataxic with tremulous movements. Pubertal development is delayed, adult height is less than the 3rd percentile. It is associated with a deletion on chromosome 15.

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