Retinal cases & brief reports · 2016
BATTEN DISEASE CAUSED BY A NOVEL MUTATION IN THE PPT1 GENE.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Metelitsina Tatyana I, Waggoner Darrel J, Grassi Michael A
Аннотация
PURPOSE: To report a case of Batten disease due to a previously unreported mutation in PPT1.
METHODS: A 9-year-old girl presented with classic clinical findings of Batten Disease.
RESULTS: Genetic testing for the mutations in the most common Batten disease gene, CLN3, was negative. Evaluation of a panel of genes known to be implicated in neuronal ceroid lipofuscinoses revealed disease causing mutations in PPT1, one of which was novel.
CONCLUSION: Mutations in PPT1 typically cause the infantile form of neuronal ceroid lipofuscinosis. Clinical diagnosis of the juvenile form of neuronal ceroid lipofuscinosis, Batten disease, should still be considered in cases with negative CLN3 genetic testing. Batten disease can occur due to genetic heterogeneity. Testing of other members of the neuronal ceroid lipofuscinosis gene family can lead to confirmation of the correct diagnosis.
METHODS: A 9-year-old girl presented with classic clinical findings of Batten Disease.
RESULTS: Genetic testing for the mutations in the most common Batten disease gene, CLN3, was negative. Evaluation of a panel of genes known to be implicated in neuronal ceroid lipofuscinoses revealed disease causing mutations in PPT1, one of which was novel.
CONCLUSION: Mutations in PPT1 typically cause the infantile form of neuronal ceroid lipofuscinosis. Clinical diagnosis of the juvenile form of neuronal ceroid lipofuscinosis, Batten disease, should still be considered in cases with negative CLN3 genetic testing. Batten disease can occur due to genetic heterogeneity. Testing of other members of the neuronal ceroid lipofuscinosis gene family can lead to confirmation of the correct diagnosis.