Apraxia of lid opening mimicking ptosis in compound heterozygosity for A467T and W748S POLG1 mutations.
Identifieur interne : 002182 ( PubMed/Curation ); précédent : 002181; suivant : 002183Apraxia of lid opening mimicking ptosis in compound heterozygosity for A467T and W748S POLG1 mutations.
Auteurs : Sebastian Paus [Allemagne] ; Gabor Zsurka ; Miriam Baron ; Marcus Deschauer ; Christian Bamberg ; Thomas Klockgether ; Wolfram S. Kunz ; Cornelia KornblumSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2008.
English descriptors
- KwdEn :
- Adult, Apraxias (complications), Apraxias (genetics), Blepharoptosis (etiology), DNA Mutational Analysis, DNA-Directed DNA Polymerase (genetics), Female, Heterozygote, Humans, Mutation, Ophthalmoplegia, Chronic Progressive External (complications), Ophthalmoplegia, Chronic Progressive External (genetics), Serine (genetics), Siblings, Tryptophan (genetics).
- MESH :
- chemical , genetics : DNA-Directed DNA Polymerase, Serine, Tryptophan.
- complications : Apraxias, Ophthalmoplegia, Chronic Progressive External.
- etiology : Blepharoptosis.
- genetics : Apraxias, Ophthalmoplegia, Chronic Progressive External.
- Adult, DNA Mutational Analysis, Female, Heterozygote, Humans, Mutation, Siblings.
Abstract
Patients harboring A467T and W748S POLG1 mutations present with a broad variety of neurological phenotypes, including cerebellar ataxia, progressive external ophthalmoplegia (PEO), myoclonus, epilepsy, and peripheral neuropathy. With exception of ataxia and myoclonus, movement disorders are not typical features of POLG1 associated disorders. We report on two affected siblings compound heterozygous for A467T and W748S mutations, one suffering from choreoathetosis and apraxia of lid opening due to focal eyelid dystonia that mimicked progression of ptosis, resulting in functional blindness. So far, focal dystonia has not been reported in POLG1 mutation carriers, and should be considered when investigating patients with PEO and ptosis. Further studies on POLG1 mutations in focal dystonia are warranted.
DOI: 10.1002/mds.22135
PubMed: 18546343
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pubmed:18546343Le document en format XML
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<affiliation wicri:level="1"><nlm:affiliation>Department of Neurology, University of Bonn, Bonn, Germany. spaus@uni-bonn.de</nlm:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Department of Neurology, University of Bonn, Bonn</wicri:regionArea>
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<author><name sortKey="Baron, Miriam" sort="Baron, Miriam" uniqKey="Baron M" first="Miriam" last="Baron">Miriam Baron</name>
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<author><name sortKey="Deschauer, Marcus" sort="Deschauer, Marcus" uniqKey="Deschauer M" first="Marcus" last="Deschauer">Marcus Deschauer</name>
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<author><name sortKey="Bamberg, Christian" sort="Bamberg, Christian" uniqKey="Bamberg C" first="Christian" last="Bamberg">Christian Bamberg</name>
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<author><name sortKey="Kunz, Wolfram S" sort="Kunz, Wolfram S" uniqKey="Kunz W" first="Wolfram S" last="Kunz">Wolfram S. Kunz</name>
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<author><name sortKey="Baron, Miriam" sort="Baron, Miriam" uniqKey="Baron M" first="Miriam" last="Baron">Miriam Baron</name>
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<author><name sortKey="Deschauer, Marcus" sort="Deschauer, Marcus" uniqKey="Deschauer M" first="Marcus" last="Deschauer">Marcus Deschauer</name>
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<term>DNA Mutational Analysis</term>
<term>DNA-Directed DNA Polymerase (genetics)</term>
<term>Female</term>
<term>Heterozygote</term>
<term>Humans</term>
<term>Mutation</term>
<term>Ophthalmoplegia, Chronic Progressive External (complications)</term>
<term>Ophthalmoplegia, Chronic Progressive External (genetics)</term>
<term>Serine (genetics)</term>
<term>Siblings</term>
<term>Tryptophan (genetics)</term>
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<term>Ophthalmoplegia, Chronic Progressive External</term>
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<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Blepharoptosis</term>
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<term>DNA Mutational Analysis</term>
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<front><div type="abstract" xml:lang="en">Patients harboring A467T and W748S POLG1 mutations present with a broad variety of neurological phenotypes, including cerebellar ataxia, progressive external ophthalmoplegia (PEO), myoclonus, epilepsy, and peripheral neuropathy. With exception of ataxia and myoclonus, movement disorders are not typical features of POLG1 associated disorders. We report on two affected siblings compound heterozygous for A467T and W748S mutations, one suffering from choreoathetosis and apraxia of lid opening due to focal eyelid dystonia that mimicked progression of ptosis, resulting in functional blindness. So far, focal dystonia has not been reported in POLG1 mutation carriers, and should be considered when investigating patients with PEO and ptosis. Further studies on POLG1 mutations in focal dystonia are warranted.</div>
</front>
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<Abstract><AbstractText>Patients harboring A467T and W748S POLG1 mutations present with a broad variety of neurological phenotypes, including cerebellar ataxia, progressive external ophthalmoplegia (PEO), myoclonus, epilepsy, and peripheral neuropathy. With exception of ataxia and myoclonus, movement disorders are not typical features of POLG1 associated disorders. We report on two affected siblings compound heterozygous for A467T and W748S mutations, one suffering from choreoathetosis and apraxia of lid opening due to focal eyelid dystonia that mimicked progression of ptosis, resulting in functional blindness. So far, focal dystonia has not been reported in POLG1 mutation carriers, and should be considered when investigating patients with PEO and ptosis. Further studies on POLG1 mutations in focal dystonia are warranted.</AbstractText>
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