GRIN2B-related neurodevelopmental disorder

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GRIN2B-related neurodevelopmental disorder
Synonyms GRIN2B-NDD
Pronounce N/A
Specialty N/A
Symptoms Developmental delay, intellectual disability, autism spectrum disorder, epilepsy, hypotonia, movement disorders
Complications N/A
Onset Infancy or early childhood
Duration Lifelong
Types N/A
Causes Genetic mutation in the GRIN2B gene
Risks Family history of genetic disorders
Diagnosis Genetic testing, clinical evaluation
Differential diagnosis Other neurodevelopmental disorders
Prevention N/A
Treatment Symptomatic treatment, supportive care
Medication N/A
Prognosis Variable, depends on severity
Frequency Rare
Deaths N/A


GRIN2B-related neurodevelopmental disorder is a rare genetic condition that affects the neurodevelopment of an individual. It is characterized by a range of symptoms including intellectual disability, developmental delay, and often, autism spectrum disorder (ASD). The disorder is caused by mutations in the GRIN2B gene, which plays a crucial role in the functioning of the nervous system.

Symptoms and Diagnosis[edit | edit source]

The symptoms of GRIN2B-related neurodevelopmental disorder vary widely among affected individuals. Common symptoms include intellectual disability, developmental delay, and often, autism spectrum disorder. Other symptoms may include epilepsy, hypotonia (low muscle tone), and dysmorphic features. Diagnosis of GRIN2B-related neurodevelopmental disorder is typically made through genetic testing, which can identify mutations in the GRIN2B gene. This is often done as part of a larger genetic testing panel for neurodevelopmental disorders.

Genetics[edit | edit source]

GRIN2B-related neurodevelopmental disorder is caused by mutations in the GRIN2B gene. This gene provides instructions for making a protein that is part of NMDA receptors, which play a key role in the brain. These receptors are involved in the signaling between nerve cells, and are crucial for learning and memory. Mutations in the GRIN2B gene disrupt the normal functioning of NMDA receptors, which can lead to the symptoms seen in GRIN2B-related neurodevelopmental disorder.

Treatment and Management[edit | edit source]

There is currently no cure for GRIN2B-related neurodevelopmental disorder. Treatment is symptomatic and supportive, and may include physical therapy, occupational therapy, and speech therapy. Medications may be used to manage symptoms such as epilepsy.

See Also[edit | edit source]

References[edit | edit source]


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