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. 2017 Aug:41:118-120.
doi: 10.1016/j.parkreldis.2017.06.001. Epub 2017 Jun 10.

Screening study of TUBB4A in isolated dystonia

Franca Vulinovic  1 , Susen Schaake  1 , Aloysius Domingo  2 , Kishore Raj Kumar  3 , Giovanni Defazio  4 , Pablo Mir  5 , Kristina Simonyan  6 , Laurie J Ozelius  7 , Norbert Brüggemann  8 , Sun Ju Chung  9 , Aleksandar Rakovic  1 , Katja Lohmann  1 , Christine Klein  10
Affiliations

Screening study of TUBB4A in isolated dystonia

Franca Vulinovic et al. Parkinsonism Relat Disord. 2017 Aug.

Abstract

Mutations in TUBB4A have been identified to cause a wide phenotypic spectrum ranging from hereditary generalized dystonia with whispering dysphonia (DYT4) to the leukodystrophy hypomyelination syndrome with atrophy of the basal ganglia and cerebellum (H-ABC). To test for the contribution of TUBB4A mutations in different ethnicities (Spanish, Italian, Korean, Japanese), we screened 492 isolated dystonia cases for mutations in this gene and for the first time determined TUBB4A copy number variations in 336 dystonia patients. A potentially pathogenic rare 3bp-in-frame deletion was found in a patient with cervical dystonia but no copy number variations were detected in this study, suggesting that TUBB4A mutations exceedingly rarely contribute to the etiology of isolated dystonia.

Keywords: Dystonia; H-ABC; Leukodystrophy; TUBB4A.

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Conflict of interest statement

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

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