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The G6055A (G2019S) mutation in LRRK2 is frequent in both early and late onset Parkinson’s disease and originates from a common ancestor

Identifieur interne : 001408 ( Main/Exploration ); précédent : 001407; suivant : 001409

The G6055A (G2019S) mutation in LRRK2 is frequent in both early and late onset Parkinson’s disease and originates from a common ancestor

Auteurs : S. Goldwurm [Italie] ; A Di Fonzo [Italie] ; E J Simons [Pays-Bas] ; C F Rohé [Pays-Bas] ; M. Zini [Italie] ; M. Canesi [Italie] ; S. Tesei [Italie] ; A. Zecchinelli [Italie] ; A. Antonini [Italie] ; C. Mariani [Italie] ; N. Meucci [Italie] ; G. Sacilotto [Italie] ; F. Sironi [Italie] ; G. Salani [Italie] ; J. Ferreira [Portugal] ; H F Chien [Brésil] ; E. Fabrizio [Italie] ; N. Vanacore [Italie] ; A Dalla Libera [Italie] ; F. Stocchi [Italie] ; C. Diroma [Italie] ; P. Lamberti [Italie] ; C. Sampaio [Portugal] ; G. Meco [Italie] ; E. Barbosa [Brésil] ; A M Bertoli-Avella [Pays-Bas] ; G J Breedveld [Pays-Bas] ; B A Oostra [Pays-Bas] ; G. Pezzoli [Italie] ; V. Bonifati [Pays-Bas]

Source :

RBID : ISTEX:F93943A446D88EA8C4635BDE09A1CFC04C5ACD54

English descriptors

Abstract

Background: Mutations in the gene Leucine-Rich Repeat Kinase 2 (LRRK2) were recently identified as the cause of PARK8 linked autosomal dominant Parkinson’s disease. Objective: To study recurrent LRRK2 mutations in a large sample of patients from Italy, including early (<50 years) and late onset familial and sporadic Parkinson’s disease. Results: Among 629 probands, 13 (2.1%) were heterozygous carriers of the G2019S mutation. The mutation frequency was higher among familial (5.1%, 9/177) than among sporadic probands (0.9%, 4/452) (p<0.002), and highest among probands with one affected parent (8.7%, 6/69) (p<0.001). There was no difference in the frequency of the G2019S mutation in probands with early v late onset disease. Among 600 probands, one heterozygous R1441C but no R1441G or Y1699C mutations were detected. None of the four mutations was found in Italian controls. Haplotype analysis in families from five countries suggested that the G2019S mutation originated from a single ancient founder. The G2019S mutation was associated with the classical Parkinson’s disease phenotype and a broad range of onset age (34 to 73 years). Conclusions: G2019S is the most common genetic determinant of Parkinson’s disease identified so far. It is especially frequent among cases with familial Parkinson’s disease of both early and late onset, but less common among sporadic cases. These findings have important implications for diagnosis and genetic counselling in Parkinson’s disease.

Url:
DOI: 10.1136/jmg.2005.035568


Affiliations:


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Le document en format XML

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<name sortKey="Chien, H F" sort="Chien, H F" uniqKey="Chien H" first="H F" last="Chien">H F Chien</name>
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<name sortKey="Diroma, C" sort="Diroma, C" uniqKey="Diroma C" first="C" last="Diroma">C. Diroma</name>
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<name sortKey="Bertoli Avella, A M" sort="Bertoli Avella, A M" uniqKey="Bertoli Avella A" first="A M" last="Bertoli-Avella">A M Bertoli-Avella</name>
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<name sortKey="Pezzoli, G" sort="Pezzoli, G" uniqKey="Pezzoli G" first="G" last="Pezzoli">G. Pezzoli</name>
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<name sortKey="Bonifati, V" sort="Bonifati, V" uniqKey="Bonifati V" first="V" last="Bonifati">V. Bonifati</name>
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<country xml:lang="fr">Pays-Bas</country>
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<title level="j">Journal of Medical Genetics</title>
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<date type="published" when="2005-11">2005-11</date>
<biblScope unit="volume">42</biblScope>
<biblScope unit="issue">11</biblScope>
<biblScope unit="page" from="e65">e65</biblScope>
</imprint>
<idno type="ISSN">0022-2593</idno>
</series>
<idno type="istex">F93943A446D88EA8C4635BDE09A1CFC04C5ACD54</idno>
<idno type="DOI">10.1136/jmg.2005.035568</idno>
<idno type="href">jmedgenet-42-e65.pdf</idno>
<idno type="PMID">16272257</idno>
<idno type="local">042e065</idno>
</biblStruct>
</sourceDesc>
<seriesStmt>
<idno type="ISSN">0022-2593</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>G2019S</term>
<term>LD, linkage disequilibrium</term>
<term>LRRK2</term>
<term>Parkinson’s disease</term>
<term>SNP, single nucleotide polymorphism</term>
<term>founder</term>
<term>mutation</term>
</keywords>
</textClass>
<langUsage>
<language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Background: Mutations in the gene Leucine-Rich Repeat Kinase 2 (LRRK2) were recently identified as the cause of PARK8 linked autosomal dominant Parkinson’s disease. Objective: To study recurrent LRRK2 mutations in a large sample of patients from Italy, including early (<50 years) and late onset familial and sporadic Parkinson’s disease. Results: Among 629 probands, 13 (2.1%) were heterozygous carriers of the G2019S mutation. The mutation frequency was higher among familial (5.1%, 9/177) than among sporadic probands (0.9%, 4/452) (p<0.002), and highest among probands with one affected parent (8.7%, 6/69) (p<0.001). There was no difference in the frequency of the G2019S mutation in probands with early v late onset disease. Among 600 probands, one heterozygous R1441C but no R1441G or Y1699C mutations were detected. None of the four mutations was found in Italian controls. Haplotype analysis in families from five countries suggested that the G2019S mutation originated from a single ancient founder. The G2019S mutation was associated with the classical Parkinson’s disease phenotype and a broad range of onset age (34 to 73 years). Conclusions: G2019S is the most common genetic determinant of Parkinson’s disease identified so far. It is especially frequent among cases with familial Parkinson’s disease of both early and late onset, but less common among sporadic cases. These findings have important implications for diagnosis and genetic counselling in Parkinson’s disease.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Brésil</li>
<li>Italie</li>
<li>Pays-Bas</li>
<li>Portugal</li>
</country>
<region>
<li>Hollande-Méridionale</li>
<li>Latium</li>
<li>Lombardie</li>
<li>État de São Paulo</li>
</region>
<settlement>
<li>Milan</li>
<li>Rome</li>
<li>Rotterdam</li>
<li>São Paulo</li>
</settlement>
<orgName>
<li>Université de São Paulo</li>
</orgName>
</list>
<tree>
<country name="Italie">
<region name="Lombardie">
<name sortKey="Goldwurm, S" sort="Goldwurm, S" uniqKey="Goldwurm S" first="S" last="Goldwurm">S. Goldwurm</name>
</region>
<name sortKey="Antonini, A" sort="Antonini, A" uniqKey="Antonini A" first="A" last="Antonini">A. Antonini</name>
<name sortKey="Canesi, M" sort="Canesi, M" uniqKey="Canesi M" first="M" last="Canesi">M. Canesi</name>
<name sortKey="Diroma, C" sort="Diroma, C" uniqKey="Diroma C" first="C" last="Diroma">C. Diroma</name>
<name sortKey="Fabrizio, E" sort="Fabrizio, E" uniqKey="Fabrizio E" first="E" last="Fabrizio">E. Fabrizio</name>
<name sortKey="Fonzo, A Di" sort="Fonzo, A Di" uniqKey="Fonzo A" first="A Di" last="Fonzo">A Di Fonzo</name>
<name sortKey="Lamberti, P" sort="Lamberti, P" uniqKey="Lamberti P" first="P" last="Lamberti">P. Lamberti</name>
<name sortKey="Libera, A Dalla" sort="Libera, A Dalla" uniqKey="Libera A" first="A Dalla" last="Libera">A Dalla Libera</name>
<name sortKey="Mariani, C" sort="Mariani, C" uniqKey="Mariani C" first="C" last="Mariani">C. Mariani</name>
<name sortKey="Meco, G" sort="Meco, G" uniqKey="Meco G" first="G" last="Meco">G. Meco</name>
<name sortKey="Meucci, N" sort="Meucci, N" uniqKey="Meucci N" first="N" last="Meucci">N. Meucci</name>
<name sortKey="Pezzoli, G" sort="Pezzoli, G" uniqKey="Pezzoli G" first="G" last="Pezzoli">G. Pezzoli</name>
<name sortKey="Sacilotto, G" sort="Sacilotto, G" uniqKey="Sacilotto G" first="G" last="Sacilotto">G. Sacilotto</name>
<name sortKey="Salani, G" sort="Salani, G" uniqKey="Salani G" first="G" last="Salani">G. Salani</name>
<name sortKey="Sironi, F" sort="Sironi, F" uniqKey="Sironi F" first="F" last="Sironi">F. Sironi</name>
<name sortKey="Stocchi, F" sort="Stocchi, F" uniqKey="Stocchi F" first="F" last="Stocchi">F. Stocchi</name>
<name sortKey="Tesei, S" sort="Tesei, S" uniqKey="Tesei S" first="S" last="Tesei">S. Tesei</name>
<name sortKey="Vanacore, N" sort="Vanacore, N" uniqKey="Vanacore N" first="N" last="Vanacore">N. Vanacore</name>
<name sortKey="Zecchinelli, A" sort="Zecchinelli, A" uniqKey="Zecchinelli A" first="A" last="Zecchinelli">A. Zecchinelli</name>
<name sortKey="Zini, M" sort="Zini, M" uniqKey="Zini M" first="M" last="Zini">M. Zini</name>
</country>
<country name="Pays-Bas">
<region name="Hollande-Méridionale">
<name sortKey="Simons, E J" sort="Simons, E J" uniqKey="Simons E" first="E J" last="Simons">E J Simons</name>
</region>
<name sortKey="Bertoli Avella, A M" sort="Bertoli Avella, A M" uniqKey="Bertoli Avella A" first="A M" last="Bertoli-Avella">A M Bertoli-Avella</name>
<name sortKey="Bonifati, V" sort="Bonifati, V" uniqKey="Bonifati V" first="V" last="Bonifati">V. Bonifati</name>
<name sortKey="Breedveld, G J" sort="Breedveld, G J" uniqKey="Breedveld G" first="G J" last="Breedveld">G J Breedveld</name>
<name sortKey="Oostra, B A" sort="Oostra, B A" uniqKey="Oostra B" first="B A" last="Oostra">B A Oostra</name>
<name sortKey="Rohe, C F" sort="Rohe, C F" uniqKey="Rohe C" first="C F" last="Rohé">C F Rohé</name>
</country>
<country name="Portugal">
<noRegion>
<name sortKey="Ferreira, J" sort="Ferreira, J" uniqKey="Ferreira J" first="J" last="Ferreira">J. Ferreira</name>
</noRegion>
<name sortKey="Sampaio, C" sort="Sampaio, C" uniqKey="Sampaio C" first="C" last="Sampaio">C. Sampaio</name>
</country>
<country name="Brésil">
<region name="État de São Paulo">
<name sortKey="Chien, H F" sort="Chien, H F" uniqKey="Chien H" first="H F" last="Chien">H F Chien</name>
</region>
<name sortKey="Barbosa, E" sort="Barbosa, E" uniqKey="Barbosa E" first="E" last="Barbosa">E. Barbosa</name>
</country>
</tree>
</affiliations>
</record>

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