Frequency analysis and clinical characterization of different types of spinocerebellar ataxia in serbian patients
Identifieur interne : 001059 ( PascalFrancis/Curation ); précédent : 001058; suivant : 001060Frequency analysis and clinical characterization of different types of spinocerebellar ataxia in serbian patients
Auteurs : Natasa T. Dragasevic [Serbie] ; Biljana Culjkovic [Serbie] ; Christine Klein [Allemagne] ; Aleksandar Ristic [Serbie] ; Milica Keckarevic [Serbie] ; Ivan Topisirovic [Serbie] ; Slobodanka Vukosavic [Serbie] ; Marina Svetel [Serbie] ; Norman Kock [Allemagne] ; Elka Stefanova [Serbie] ; Stanka Romac [Serbie] ; Vladimir S. Kostic [Serbie]Source :
- Movement disorders [ 0885-3185 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
Abstract
The relative frequencies of different spinocerebellar ataxias (SCAs) vary widely among different ethnic groups, presumably due to a founder effect. We investigated the relative prevalence of SCA1-3, 6-8, 12, 17; dentate-rubro-pallidoluysian atrophy; and Friedreich's ataxia (FRDA) in Serbian patients with adult-onset (>20 years of age) hereditary and sporadic SCAs, and compared clinical features of patients with genetically confirmed SCAs. A total of 108 patients from 54 families (38 apparently dominant [ADCA] and 16 apparently recessive) with adult-onset hereditary ataxia and 75 apparently sporadic patients were assessed. Of 38 families with ADCA, 13 (34%) were positive for an expansion in an SCA1 and 5 families (13%) for an expansion in an SCA2 allele. In 20 families (53%), no expansions have been identified in any of the analyzed genes. Gaze palsy, spasticity, and hyperreflexia were significantly more common in SCA1, whereas slow saccades, hypotonia, hyporeflexia, and dystonia prevailed in SCA2 patients. Among the 16 families with an apparently recessive mode of ataxia inheritance, 4 (25%) were identified as having the FRDA mutation. Ataxia-causing mutations were identified in 8 (10.6%) of patients with apparently sporadic adult-onset ataxia.
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<front><div type="abstract" xml:lang="en">The relative frequencies of different spinocerebellar ataxias (SCAs) vary widely among different ethnic groups, presumably due to a founder effect. We investigated the relative prevalence of SCA1-3, 6-8, 12, 17; dentate-rubro-pallidoluysian atrophy; and Friedreich's ataxia (FRDA) in Serbian patients with adult-onset (>20 years of age) hereditary and sporadic SCAs, and compared clinical features of patients with genetically confirmed SCAs. A total of 108 patients from 54 families (38 apparently dominant [ADCA] and 16 apparently recessive) with adult-onset hereditary ataxia and 75 apparently sporadic patients were assessed. Of 38 families with ADCA, 13 (34%) were positive for an expansion in an SCA1 and 5 families (13%) for an expansion in an SCA2 allele. In 20 families (53%), no expansions have been identified in any of the analyzed genes. Gaze palsy, spasticity, and hyperreflexia were significantly more common in SCA1, whereas slow saccades, hypotonia, hyporeflexia, and dystonia prevailed in SCA2 patients. Among the 16 families with an apparently recessive mode of ataxia inheritance, 4 (25%) were identified as having the FRDA mutation. Ataxia-causing mutations were identified in 8 (10.6%) of patients with apparently sporadic adult-onset ataxia.</div>
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<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The relative frequencies of different spinocerebellar ataxias (SCAs) vary widely among different ethnic groups, presumably due to a founder effect. We investigated the relative prevalence of SCA1-3, 6-8, 12, 17; dentate-rubro-pallidoluysian atrophy; and Friedreich's ataxia (FRDA) in Serbian patients with adult-onset (>20 years of age) hereditary and sporadic SCAs, and compared clinical features of patients with genetically confirmed SCAs. A total of 108 patients from 54 families (38 apparently dominant [ADCA] and 16 apparently recessive) with adult-onset hereditary ataxia and 75 apparently sporadic patients were assessed. Of 38 families with ADCA, 13 (34%) were positive for an expansion in an SCA1 and 5 families (13%) for an expansion in an SCA2 allele. In 20 families (53%), no expansions have been identified in any of the analyzed genes. Gaze palsy, spasticity, and hyperreflexia were significantly more common in SCA1, whereas slow saccades, hypotonia, hyporeflexia, and dystonia prevailed in SCA2 patients. Among the 16 families with an apparently recessive mode of ataxia inheritance, 4 (25%) were identified as having the FRDA mutation. Ataxia-causing mutations were identified in 8 (10.6%) of patients with apparently sporadic adult-onset ataxia.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002B17</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>002B17F</s0>
</fC02>
<fC02 i1="03" i2="X"><s0>002B16B</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Système nerveux pathologie</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Nervous system diseases</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Sistema nervioso patología</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Ataxie spinocérébelleuse</s0>
<s2>NM</s2>
<s5>09</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Spinocerebellar ataxia</s0>
<s2>NM</s2>
<s5>09</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Ataxia spinocerebelosa</s0>
<s2>NM</s2>
<s5>09</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Homme</s0>
<s5>10</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Human</s0>
<s5>10</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Hombre</s0>
<s5>10</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Ataxie cérébelleuse</s0>
<s2>NM</s2>
<s5>11</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Cerebellar ataxia</s0>
<s2>NM</s2>
<s5>11</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Ataxia cerebelosa</s0>
<s2>NM</s2>
<s5>11</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Maladie dégénérative</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Degenerative disease</s0>
<s5>37</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Enfermedad degenerativa</s0>
<s5>37</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Maladie héréditaire</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Genetic disease</s0>
<s5>38</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Enfermedad hereditaria</s0>
<s5>38</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Système nerveux central pathologie</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Central nervous system disease</s0>
<s5>39</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Sistema nervosio central patología</s0>
<s5>39</s5>
</fC07>
<fN21><s1>107</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>
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