Study of Seizure-Manifested Hartnup Disorder Case Induced By Novel Mutations in SLC6A19
Yanmei Zhu1, Li Chen1, Jia He1
1Department of Neurology, Second Affiliated Hospital of Harbin Medical University, Harbin, China.
Aim:
The aim of the study is to investigate a variation in the gene SLC6A19 in a female patient with Hartnup disorder manifested only by seizure.
Methods:
DNA samples collected from the patient and her parents were analyzed and twelve exons of the SLC6A19 gene were amplified and sequenced.
Results:
We found c.47C>T and c.1522G>A mutations in the gene SLC6A19 belonging to the patient, which are missense mutations inherited from her parents. The c.47C>T mutation is from her father and c.1522G>A is inherited from her mother. The parents are both heterozygous healthy carriers.
Conclusion:
Two novel mutations of the SLC6A19 gene are revealed in the female patient with Hartnup disorder, exhibiting no typical dermatologic problems, but having dramatic neurological symptoms.
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