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   What is Angelman syndrome?

   • Angelman syndrome is a condition caused by a change in a gene, called a genetic change. Angelman syndrome causes delayed development, problems with speech and balance, mental disability, and, sometimes, seizures. Many people with Angelman syndrome smile and laugh often. They tend to be happy and easy to excite.

   Angelman syndrome - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/angelman-syndrome/symptoms-causes/syc-20355621

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   How rare is Angelman syndrome?

   • Angelman syndrome is rare. Researchers often don't know what causes the genetic changes that result in the disease. Most people with Angelman syndrome don't have a family history. But sometimes Angelman syndrome may be passed down from a parent. A family history of the disease may increase a baby's risk of getting Angelman syndrome.

   Angelman syndrome - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/angelman-syndrome/symptoms-causes/syc-20355621

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   How does Angelman syndrome affect a child?

   • Angelman syndrome causes delayed development, problems with speech and balance, mental disability, and, sometimes, seizures. Many people with Angelman syndrome smile and laugh often. They tend to be happy and easy to excite. Delays in maturing, called developmental delays, begin between about 6 and 12 months of age.

   Angelman syndrome - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/angelman-syndrome/symptoms-causes/syc-20355621

   See all results for this question

2. www.mayoclinic.org › diseases-conditions › angelmanAngelman syndrome - Symptoms and causes - Mayo Clinic

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   Mar 8, 2024 · Angelman syndrome is a condition caused by a change in a gene, called a genetic change. Angelman syndrome causes delayed development, problems with speech and balance, mental disability, and, sometimes, seizures. Many people with Angelman syndrome smile and laugh often. They tend to be happy and easy to excite.

3. en.wikipedia.org › wiki › Angelman_syndromeAngelman syndrome - Wikipedia

   en.wikipedia.org › wiki › Angelman_syndrome

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   Angelman syndrome ( AS) is a genetic disorder that mainly affects the nervous system. [6] Symptoms include a small head and a specific facial appearance, severe intellectual disability, developmental disability, limited to no functional speech, balance and movement problems, seizures, and sleep problems. [6]

   • Usual onset: Noticeable by 6–12 months
   • Diagnostic method: Based on symptoms, genetic testing

   • Causes: Genetic (new mutation)
   • Treatment: Supportive care

4. my.clevelandclinic.org › health › diseasesAngelman Syndrome: What It Is, Symptoms & Treatment

   my.clevelandclinic.org › health › diseases

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   Apr 7, 2022 · Angelman syndrome is a rare, complex neurodevelopmental condition that primarily affects your nervous system. It’s caused by issues with a specific gene called UBE3A. Your nervous system is your body’s command center. Originating from your brain, it controls your movements, thoughts, behaviors and automatic responses to the world around you.

5. www.ninds.nih.gov › disorders › angelman-syndromeAngelman Syndrome | National Institute of Neurological ...

   www.ninds.nih.gov › disorders › angelman-syndrome

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   Nov 28, 2023 · Angelman syndrome is a genetic disorder that primarily affects the nervous system. The disorder is named after Dr. Harry Angelman who first reported the syndrome in 1965. Features that help define the disorder include: Often, there are also gastrointestinal, orthopedic, and eye problems. Hyperactivity and a short attention span are common.

6. www.angelman.org › what-is-asWhat is Angelman Syndrome – Angelman Syndrome Foundation

   www.angelman.org › what-is-as

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   Angelman syndrome (AS) is a rare neuro-genetic disorder that occurs in one in 15,000 live births or 500,000 people worldwide. It is caused by a loss of function of the UBE3A gene in the 15th chromosome derived from the mother. Angelman syndrome shares symptoms and characteristics with other disorders including autism, cerebral palsy and Prader ...

7. medlineplus.gov › genetics › conditionAngelman syndrome: MedlinePlus Genetics

   medlineplus.gov › genetics › condition

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   Angelman syndrome is a complex genetic disorder that primarily affects the nervous system. Characteristic features of this condition include delayed development, intellectual disability, severe speech impairment, and problems with movement and balance (ataxia). Most affected children also have recurrent seizures (epilepsy) and a small head size ...

8. www.angelman.org › facts_about_as_2009_3/19/10Facts About Angelman Syndrome

   www.angelman.org › facts_about_as_2009_3/19/10

   North America appeared in the early 1980s. Dr. Angelman relates the following regarding his discovery of this syndrome [2]. “The history of medicine is full of interesting stories about the discovery of illnesses. The saga of Angelman syndrome is one such story. It was purely by chance that nearly thirty years ago (e.g., circa 1964) three