Journal
PARKINSONISM & RELATED DISORDERS
Volume 89, Issue -, Pages 1-3Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.parkreldis.2021.06.013
Keywords
DNAJC6 gene; Juvenile parkinsonism; Dystonia
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This case report describes a novel phenotype caused by a homozygous missense mutation in the DNAJC6 gene, presenting as a combination of dystonia and parkinsonism symptoms in an adolescent girl.
DNAJC6 mutation causes two types of phenotypes: slowly progressive parkinsonism with levodopa response and rapidly progressive parkinsonism with additional manifestations like intellectual disability, epilepsy etc. We report a new phenotype wherein an adolescent girl developed blepharospasm followed by jaw opening, lingual and cervical dystonia followed by tremors of limbs (rest and action) with rigidity, bradykinesia. The dystonia-parkinsonism phenotype has not been described. She had novel homozygous missense mutation in DNAJC6 gene.
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