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Doummar, D.* ; Treven, M.* ; Qebibo, L.* ; Devos, D.* ; Ghoumid, J.* ; Ravelli, C.* ; Kranz, G.* ; Krenn, M.* ; Demailly, D.* ; Cif, L.* ; Davion, J.B.* ; Zimprich, F.* ; Burglen, L.* ; Zech, M.

Childhood-onset progressive dystonia associated with pathogenic truncating variants in CHD8.

Ann. Clin. Transl. Neurol., DOI: 10.1002/acn3.51444 (2021)
Publ. Version/Full Text DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Originally described as a risk factor for autism, CHD8 loss-of-function variants have recently been associated with a wider spectrum of neurodevelopmental abnormalities. We further expand the CHD8-related phenotype with the description of two unrelated patients who presented with childhood-onset progressive dystonia. Whole-exome sequencing conducted in two independent laboratories revealed a CHD8 nonsense variant in one patient and a frameshift variant in the second. The patients had strongly overlapping phenotypes characterized by generalized dystonia with mild-to-moderate neurodevelopmental comorbidity. Deep brain stimulation led to clinical improvement in both cases. We suggest that CHD8 should be added to the growing list of neurodevelopmental disorder-associated genes whose mutations can also result in dystonia-dominant phenotypes.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 2328-9503
e-ISSN 2328-9503
Journal Annals of Clinical and Translational Neurology
Publisher Wiley
Publishing Place Chichester [u.a.]
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Neurogenomics (ING)
Grants German Research Foundation