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Updated: Jul 29, 2025
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An In Vitro Model for the Study of Cellular Pathophysiology in Globoid Cell Leukodystrophy
Published on: October 21, 2014
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Mutation in PYCR2 gene and hypomyelinating leukodystrophy in children: a case report study
Seyed Ahmad Hosseini1, Mousa Ghelichi-Ghojogh2
1Department of Pediatrics, Neonatal and Children's Health Research Center Research Center, Golestan University of Medical Science, Gorgan, Iran.
Annals of Medicine and Surgery (2012)
|May 25, 2023
Summary
Hypomyelinating leukodystrophies are rare inherited brain disorders. A PYCR2 gene mutation caused hypomyelinating leukodystrophy type 10 in a young child, highlighting advances in genetic diagnosis.
Area of Science:
- Neurology
- Genetics
- Pediatrics
Background:
- Hypomyelinating leukodystrophies are inherited central nervous system disorders.
- Characterized by a lack of myelin in the brain.
- Represents a heterogeneous group of conditions.
Purpose of the Study:
- To present a case of hypomyelinating leukodystrophy.
- To identify the genetic cause of the disorder in a pediatric patient.
- To emphasize the role of genetic testing in diagnosing rare neurological conditions.
Main Methods:
- Whole exome sequencing was performed.
- Genetic analysis identified a specific mutation.
- Clinical presentation was correlated with genetic findings.
Main Results:
- A nonsense homozygous mutation in the PYCR2 gene was identified.
- This mutation is associated with hypomyelinating leukodystrophy type 10.
- The patient presented with neurological symptoms at 6 months of age.
Conclusions:
- Genetic testing, including whole exome sequencing, is crucial for diagnosing hypomyelinating leukodystrophies.
- Advances in genetic technology improve diagnostic capabilities for complex neurological disorders.
- Increased awareness and accessibility of genetic testing aid in early and accurate diagnosis, even in developing regions.
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