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http://purl.uniprot.org/citations/37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/37011980http://www.w3.org/2000/01/rdf-schema#comment"Objective: To explore the clinical and genetic characteristics of children with dopa-responsive dystonia (DRD) caused by tyrosine hydroxylase (TH) gene variations. Methods: Clinical data of 9 children with DRD caused by TH gene variations diagnosed in the Department of Children Rehabilitation, the Third Affiliated Hospital of Zhengzhou University from January 2017 to August 2022 were retrospectively collected and analyzed, including the general conditions, clinical manifestations, laboratory tests, gene variations and follow-up data. Results: Of the 9 children with DRD caused by TH gene variations, 3 were males and 6 were females. The age at diagnosis was 12.0 (8.0, 15.0) months. The initial symptoms of the 8 severe patients were motor delay or degression. Clinical symptoms of the severe patients included motor delay (8 cases), truncal hypotonia (8 cases), limb muscle hypotonia (7 cases), hypokinesia (6 cases), decreased facial expression (4 cases), tremor (3 cases), limb dystonia (3 cases), diurnal fluctuation (2 cases), ptosis (2 cases), limb muscle hypertonia (1 case) and drooling (1 case). The initial symptom of the very severe patient was motor delay. Clinical symptoms of the very severe patient included motor delay, truncal hypotonia, oculogyric crises, status dystonicus, hypokinesia, decreased facial expression, and decreased sleep. Eleven TH gene variants were found, including 5 missense variants, 3 splice site variants, 2 nonsense variants, and 1 insertion variant, as well as 2 novel variants (c.941C>A (p.T314K), c.316_317insCGT (p.F106delinsSF)). Nine patients were followed up for 40 (29, 43) months, and no one was lost to follow-up. Seven of the 8 severe patients were treated by levodopa and benserazide hydrochloride tablets and 1 severe patient was treated by levodopa tablets. All the severe patients responded well to levodopa and benserazide hydrochloride tablets or levodopa tablets. Although the weight of the patients increased and the drug dosage was not increased, the curative effect remained stable and there was no obvious adverse reaction. One severe patient developed dyskinesia in the early stage of treatment with levodopa and benserazide hydrochloride tablets and it disappeared after oral administration of benzhexol hydrochloride tablets. Until the last follow-up, motor development of 7 severe patients returned to normal and 1 severe patient still had motor delay due to receiving levodopa and benserazide hydrochloride tablets for only 2 months. The very severe patient was extremely sensitive to levodopa and benserazide hydrochloride tablets and no improvement was observed in this patient. Conclusions: Most of the DRD caused by TH gene variations are severe form. The clinical manifestations are varied and easily misdiagnosed. Patients of the severe patients responded well to levodopa and benserazide hydrochloride tablets or levodopa tablets, and it takes a long time before full effects of treatment become established. Long-term effect is stable without increasing the drug dosage, and no obvious side effect is observed."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.org/dc/terms/identifier"doi:10.3760/cma.j.cn112140-20221118-00987"xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Yang L."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Zhang X.L."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Li Y.Z."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Zhang Y.P."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Cai Z.J."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Chang P.P."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Zhang G.Y."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Wei L.K."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/author"Zhu D.N."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/date"2023"xsd:gYear
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/name"Zhonghua Er Ke Za Zhi"xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/pages"339-344"xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/title"[Clinical and genetic characteristics of children with dopa-responsive dystonia caused by tyrosine hydroxylase gene variations]."xsd:string
http://purl.uniprot.org/citations/37011980http://purl.uniprot.org/core/volume"61"xsd:string
http://purl.uniprot.org/citations/37011980http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/37011980
http://purl.uniprot.org/citations/37011980http://xmlns.com/foaf/0.1/primaryTopicOfhttps://pubmed.ncbi.nlm.nih.gov/37011980
http://purl.uniprot.org/uniprot/#_Q15587-mappedCitation-37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/37011980
http://purl.uniprot.org/uniprot/#_O43816-mappedCitation-37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/37011980
http://purl.uniprot.org/uniprot/#_P07101-mappedCitation-37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/37011980
http://purl.uniprot.org/uniprot/#_Q8IZE1-mappedCitation-37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/37011980
http://purl.uniprot.org/uniprot/#_Q8IZE2-mappedCitation-37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/37011980
http://purl.uniprot.org/uniprot/#_P78428-mappedCitation-37011980http://www.w3.org/1999/02/22-rdf-syntax-ns#objecthttp://purl.uniprot.org/citations/37011980
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