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Publication Detail
Cervical dystonia is associated with a polymorphism in the dopamine (D5) receptor gene
  • Publication Type:
    Journal article
  • Publication Sub Type:
  • Authors:
    Placzek MR, Misbahuddin A, Chaudhuri KR, Wood NW, Bhatia KP, Warner TT
  • Publication date:
  • Pagination:
    262, 264
  • Journal:
    Journal of Neurology, Neurosurgery and Psychiatry
  • Volume:
  • Issue:
  • Print ISSN:
  • Keywords:
    ADULT-ONSET, Allele, allele frequencies, Alleles, allelic association, Association, Association study, ASSOCIATIONS, British, CARRIAGE, CERVICAL DYSTONIA, CHROMOSOME 18P, cloning, control, correction, D5 dopamine receptor, development, DISTINCT, dopamine, Dopamine Receptor, dystonia, English, family, FOCAL DYSTONIA, FREQUENCIES, FREQUENCY, functional, GENE, Genes, Germany, HAPLOTYPE, Haplotypes, IDIOPATHIC TORSION DYSTONIA, INDICATE, May, MED, Mutation, objective, Other, Patient, patients, Polymorphism, polymorphisms, PROMOTER REGION, Receptor, RECEPTOR GENE, RECEPTOR-GENE, receptors, Role, transporter
The objective was to assess whether polymorphisms in the dopamine receptor and transporter genes are associated with development of primary cervical dystonia. A case-control allelic association study is described of 100 patients with cervical dystonia and 100 controls using polymorphisms within D1-5 receptor and dopamine transporter genes. No significant association was found between patient and control allele frequencies for polymorphisms in genes for the D1 to 4 receptors and dopamine transporter. Significant associations, however, were found for alleles 2 and 6 of the D5 receptor micosatellite. Carriage of allele 2 was associated with cervical dystonia, whereas allele 6 was overrepresented in the control group, implying a possible protective effect. The association with allele 6 remained significant after Bonferroni correction. In conclusion, the finding of a significant association with an allele in the D5 receptor gene in patients with cervical dystonia may indicate a pathogenic role of this gene (or neighbouring genes). Further studies are required to confirm this finding and to assess whether these alleles are part of distinct haplotypes associated with other polymorphisms imparting a functional effect on the D5 receptor
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