Varaico: Literature-Extracted Genetic Variants

Gene:GCH1
Variant:p.K224R
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GCH1

NM_000161.3:p.K224R

Associated Papers

Rare but Relevant? Assessing Variants in Dystonia-Linked Genes in Parkinson's Disease.

Lange LM et al.

Movement Disorders : Official Journal of the Movement Disorder Society, 2026

Genetic and clinical profile of a Brazilian cohort of dopa-responsive dystonia.

de Alencar Guerra A et al.

Journal of the Neurological Sciences, 2025

Genetic testing for Parkinson's disease in Israel: Insights from the Rostock Parkinson's Disease (ROPAD) study.

Anis S et al.

Parkinsonism & Related Disorders, 2025

Rare but Relevant: Assessing Variants in Dystonia-linked Genes in Parkinson's Disease.

Lange LM et al.

Medrxiv : the Preprint Server for Health Sciences, 2025

Targeted Long-Read Sequencing as a Single Assay Improves the Diagnosis of Spastic-Ataxia Disorders.

Rudaks LI et al.

Annals of Clinical and Translational Neurology, 2025

40007153 (PubMed )
Supplement: ACN3-12-832-s007.xlsx › VUS_summary

Parkinson's families project: a UK-wide study of early onset and familial Parkinson's disease.

Towns C et al.

Npj Parkinson's Disease, 2024

39420034 (PubMed )
Supplement: 41531_2024_778_MOESM1_ESM.docx

Autosomal Recessive Guanosine Triphosphate Cyclohydrolase I Deficiency: Redefining the Phenotypic Spectrum and Outcomes.

Novelli M et al.

Movement Disorders Clinical Practice, 2024

Large-Scale Screening: Phenotypic and Mutational Spectrum in Isolated and Combined Dystonia Genes.

Thomsen M et al.

Movement Disorders : Official Journal of the Movement Disorder Society, 2024

Determination of Carrier Frequency of Actionable Pathogenic Variants in Autosomal Recessive Genetic Diseases in the Turkish Cypriot Population.

Gunsel AS et al.

Genes, 2023

Crucial neuroprotective roles of the metabolite BH4 in dopaminergic neurons.

Cronin SJF et al.

Biorxiv : the Preprint Server for Biology, 2023

Implementation of Exome Sequencing in Clinical Practice for Neurological Disorders.

Alvarez-Mora MI et al.

Genes, 2023

37107571 (PubMed )
Supplement: genes-14-00813-s001.zip › genes-2265012-supplementary.pdf

Myoclonus-Dystonic Presentation of Childhood Onset DYT-GCH1: A Report From India.

Sharma P et al.

Journal of Movement Disorders, 2023

Mutations, Genes, and Phenotypes Related to Movement Disorders and Ataxias.

Martínez-Rubio D et al.

International Journal of Molecular Sciences, 2022

Frequency of Parkinson's Disease Genes and Role of PARK2 in Amyotrophic Lateral Sclerosis: An NGS Study.

Vacchiano V et al.

Genes, 2022

Recessive GCH1 Deficiency Causing DOPA-Responsive Dystonia Diagnosed by Reported Negative Exome.

Berger SI et al.

Pediatrics, 2022

Relationship of Genotype, Phenotype, and Treatment in Dopa-Responsive Dystonia: MDSGene Review.

Weissbach A et al.

Movement Disorders : Official Journal of the Movement Disorder Society, 2022

GCH1 mutations in hereditary spastic paraplegia.

Varghaei P et al.

Clinical Genetics, 2021

Clinical and Genetic Analysis of Costa Rican Patients With Parkinson's Disease.

Torrealba-Acosta G et al.

Frontiers in Neurology, 2021

Editorial: Genotype-Phenotype Correlation in Parkinsonian Conditions.

Marsili L et al.

Frontiers in Neurology, 2021

Secondary actionable findings identified by exome sequencing: expected impact on the organisation of care from the study of 700 consecutive tests.

Thauvin-Robinet C et al.

European Journal of Human Genetics : Ejhg, 2019

Deep brain stimulation shows high efficacy in two patients with GCH1 variants.

Daida K et al.

Parkinsonism & Related Disorders, 2019

Common and rare GCH1 variants are associated with Parkinson's disease.

Rudakou U et al.

Neurobiology of Aging, 2019

Novel GCH1 Compound Heterozygosity Mutation in Infancy-Onset Generalized Dystonia.

Flotats-Bastardas M et al.

Neuropediatrics, 2018

Gamma-aminobutyric acid levels in cerebrospinal fluid in neuropaediatric disorders.

Cortès-Saladelafont E et al.

Developmental Medicine and Child Neurology, 2018

Atypical presentation of dopa-responsive dystonia in Taiwan.

Weng YC et al.

Brain and Behavior, 2018

Assessing risk for Mendelian disorders in a Bronx population.

diSibio G et al.

Molecular Genetics & Genomic Medicine, 2017

28944235 (PubMed )
Supplement: MGG3-5-516-s001.xlsx › Table_S1

[Autosomal recessive GTPCH 1 deficiency: the importance of the analysis of neurotransmitters in cerebrospinal fluid].

Moreno-Medinilla EE et al.

Revista De Neurologia, 2016

Targeted Next Generation Sequencing in Patients with Inborn Errors of Metabolism.

Yubero D et al.

Plos One, 2016

27243974 (PubMed )
Supplement: pone.0156359.s002.xlsx › general_

Reply: Parkinson's disease in GTP cyclohydrolase 1 mutation carriers.

Mencacci NE et al.

Brain : a Journal of Neurology, 2015

Parkinsonism in GTP cyclohydrolase 1 mutation carriers.

Guella I et al.

Brain : a Journal of Neurology, 2015

Parkinson's disease in GTP cyclohydrolase 1 mutation carriers.

Mencacci NE et al.

Brain : a Journal of Neurology, 2014

Urinary neopterin and phenylalanine loading test as tools for the biochemical diagnosis of segawa disease.

Leuzzi V et al.

Jimd Reports, 2013

Autosomal-dominant GTPCH1-deficient DRD: clinical characteristics and long-term outcome of 34 patients.

Trender-Gerhard I et al.

Journal of Neurology, Neurosurgery, and Psychiatry, 2009

[Causative gene and its associated gene for Parkinson disease and dystonia].

Hasegawa K et al.

Brain and Nerve = Shinkei Kenkyu No Shinpo, 2009

Novel GCH1 mutation in a Brazilian family with dopa-responsive dystonia.

Camargos ST et al.

Movement Disorders : Official Journal of the Movement Disorder Society, 2008

Mutations in the BH4-metabolizing genes GTP cyclohydrolase I, 6-pyruvoyl-tetrahydropterin synthase, sepiapterin reductase, carbinolamine-4a-dehydratase, and dihydropteridine reductase.

Thöny B et al.

Human Mutation, 2006

[Clinical analysis of dopa-responsive dystonia and mutation analysis of the GCH I gene].

Xie H et al.

Zhonghua Er Ke Za Zhi = Chinese Journal of Pediatrics, 2006

Is phenotypic variation of hereditary progressive dystonia with marked diurnal fluctuation/dopa-responsive dystonia (HPD/DRD) caused by the difference of the locus of mutation on the GTP cyclohydrolase 1 (GCH-1) gene?

Segawa M et al.

Advances in Neurology, 2004

GTP-cyclohydrolase I gene mutations in patients with autosomal dominant and recessive GTP-CH1 deficiency: identification and functional characterization of four novel mutations.

Garavaglia B et al.

Journal of Inherited Metabolic Disease, 2004

Autosomal dominant GTP-CH deficiency presenting as a dopa-responsive myoclonus-dystonia syndrome.

Leuzzi V et al.

Neurology, 2002

Molecular genetics of dopa-responsive dystonia.

Ichinose H et al.

Biological Chemistry, 1999

[The relation between metabolism of biopterin and dystonia-parkinsonism].

Ichinose H et al.

Nihon Shinkei Seishin Yakurigaku Zasshi = Japanese Journal of Psychopharmacology, 1999

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Regarding the variants extracted from papers and shown text snippets from research papers, the following holds: "Some rights reserved. This work permits non-commercial use, distribution and reproduction in any medium, provided the original author and source are credited."