Movement Disorders (revue)

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Screening for Lrrk2 G2019S and clinical comparison of Tunisian and North American Caucasian Parkinson's disease families

Identifieur interne : 002B89 ( Main/Exploration ); précédent : 002B88; suivant : 002B90

Screening for Lrrk2 G2019S and clinical comparison of Tunisian and North American Caucasian Parkinson's disease families

Auteurs : Lianna Ishihara [Royaume-Uni] ; Rachel A. Gibson [Royaume-Uni] ; Liling Warren [États-Unis] ; Rim Amouri [Tunisie] ; Kelly Lyons [États-Unis] ; Catherine Wielinski [États-Unis] ; Christine Hunter [États-Unis] ; Jina E. Swartz [Royaume-Uni] ; Ramu Elango [Royaume-Uni] ; P. Anthony Akkari [États-Unis] ; David Leppert [Royaume-Uni] ; Linda Surh [Royaume-Uni] ; Kevin H. Reeves [États-Unis] ; Siwan Thomas [Royaume-Uni] ; Leigh Ragone [États-Unis] ; Nobutaka Hattori [Japon] ; Rajesh Pahwa [États-Unis] ; Joseph Jankovic [États-Unis] ; Martha Nance [États-Unis] ; Alan Freeman [États-Unis] ; Neziha Gouider-Khouja [Tunisie] ; Mounir Kefi [Tunisie] ; Mourad Zouari [Tunisie] ; Samia Ben Sassi [Tunisie] ; Samia Ben Yahmed [Tunisie] ; Ghada El Euch-Fayeche [Tunisie] ; Lefkos Middleton [Royaume-Uni] ; David J. Burn [Royaume-Uni] ; Ray L. Watts [États-Unis] ; Faycal Hentati [Tunisie]

Source :

RBID : ISTEX:53A067ADB2FD6E36EC54AC61A38B5846E4B4FCE4

Descripteurs français

English descriptors

Abstract

Mutations in the leucine‐rich repeat kinase‐2 gene (LRRK2) are responsible for some forms of familial as well as sporadic Parkinson's disease (PD). The purpose of this study was to examine the frequency of a single pathogenic mutation (6055G>A) in the kinase domain of this gene in United States and Tunisian familial PD and to compare clinical characteristics between patients with and without the mutation. Standardized case report forms were used for clinical and demographic data collection. We investigated the frequency of the most common substitution of LRRK2 (G2019S, 6055G>A) and its impact on epidemiological and phenotypic features. The frequency of mutations in Tunisian families was 42% (38/91) and in U.S. families 2.6% (1/39), with the unique opportunity to compare homozygous (n = 23) and heterozygous (n = 109) Tunisian carriers of G2019S substitutions. Individuals with G2019S substitutions had an older age at onset but few other differences compared with families negative for the substitution. Patients with LRRK2 mutations had typical clinical features of PD. Comparisons between individuals with heterozygous and homozygous LRRK2 mutations suggested that gene dosage was not correlated with phenotypic differences; however, the estimated penetrance was greater in homozygotes across all age groups. © 2006 Movement Disorder Society

Url:
DOI: 10.1002/mds.21180


Affiliations:


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Le document en format XML

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<name sortKey="Lyons, Kelly" sort="Lyons, Kelly" uniqKey="Lyons K" first="Kelly" last="Lyons">Kelly Lyons</name>
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<name sortKey="Wielinski, Catherine" sort="Wielinski, Catherine" uniqKey="Wielinski C" first="Catherine" last="Wielinski">Catherine Wielinski</name>
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<name sortKey="Hunter, Christine" sort="Hunter, Christine" uniqKey="Hunter C" first="Christine" last="Hunter">Christine Hunter</name>
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<wicri:regionArea>Department of Neurology, Baylor College of Medicine, Houston, Texas</wicri:regionArea>
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<name sortKey="Swartz, Jina E" sort="Swartz, Jina E" uniqKey="Swartz J" first="Jina E." last="Swartz">Jina E. Swartz</name>
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<name sortKey="Elango, Ramu" sort="Elango, Ramu" uniqKey="Elango R" first="Ramu" last="Elango">Ramu Elango</name>
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<name sortKey="Akkari, P Anthony" sort="Akkari, P Anthony" uniqKey="Akkari P" first="P. Anthony" last="Akkari">P. Anthony Akkari</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Research and Development, GlaxoSmithKline Pharmaceuticals, Research Triangle Park, Durham, North Carolina</wicri:regionArea>
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<region type="state">Caroline du Nord</region>
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<name sortKey="Leppert, David" sort="Leppert, David" uniqKey="Leppert D" first="David" last="Leppert">David Leppert</name>
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<country xml:lang="fr">Royaume-Uni</country>
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<name sortKey="Surh, Linda" sort="Surh, Linda" uniqKey="Surh L" first="Linda" last="Surh">Linda Surh</name>
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<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Research and Development, GlaxoSmithKline Pharmaceuticals, Greenford</wicri:regionArea>
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<name sortKey="Reeves, Kevin H" sort="Reeves, Kevin H" uniqKey="Reeves K" first="Kevin H." last="Reeves">Kevin H. Reeves</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Research and Development, GlaxoSmithKline Pharmaceuticals, Research Triangle Park, Durham, North Carolina</wicri:regionArea>
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<region type="state">Caroline du Nord</region>
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<name sortKey="Thomas, Siwan" sort="Thomas, Siwan" uniqKey="Thomas S" first="Siwan" last="Thomas">Siwan Thomas</name>
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<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Research and Development, GlaxoSmithKline Pharmaceuticals, Greenford</wicri:regionArea>
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<name sortKey="Ragone, Leigh" sort="Ragone, Leigh" uniqKey="Ragone L" first="Leigh" last="Ragone">Leigh Ragone</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Research and Development, GlaxoSmithKline Pharmaceuticals, Research Triangle Park, Durham, North Carolina</wicri:regionArea>
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<region type="state">Caroline du Nord</region>
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<name sortKey="Hattori, Nobutaka" sort="Hattori, Nobutaka" uniqKey="Hattori N" first="Nobutaka" last="Hattori">Nobutaka Hattori</name>
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<country xml:lang="fr">Japon</country>
<wicri:regionArea>Department of Neurology, Juntendo University School of Medicine, Tokyo</wicri:regionArea>
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<settlement type="city">Tokyo</settlement>
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<name sortKey="Pahwa, Rajesh" sort="Pahwa, Rajesh" uniqKey="Pahwa R" first="Rajesh" last="Pahwa">Rajesh Pahwa</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Neurology, University of Kansas Medical Center, Kansas City, Kansas</wicri:regionArea>
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<region type="state">Kansas</region>
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</affiliation>
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<name sortKey="Jankovic, Joseph" sort="Jankovic, Joseph" uniqKey="Jankovic J" first="Joseph" last="Jankovic">Joseph Jankovic</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Neurology, Baylor College of Medicine, Houston, Texas</wicri:regionArea>
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<region type="state">Texas</region>
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<placeName>
<settlement type="city">Houston</settlement>
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<name sortKey="Nance, Martha" sort="Nance, Martha" uniqKey="Nance M" first="Martha" last="Nance">Martha Nance</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Struthers Parkinson's Center, Golden Valley, Minnesota</wicri:regionArea>
<placeName>
<region type="state">Minnesota</region>
</placeName>
</affiliation>
</author>
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<name sortKey="Freeman, Alan" sort="Freeman, Alan" uniqKey="Freeman A" first="Alan" last="Freeman">Alan Freeman</name>
<affiliation wicri:level="2">
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Neurology, Emory University, Atlanta, Georgia</wicri:regionArea>
<placeName>
<region type="state">Géorgie (États-Unis)</region>
</placeName>
</affiliation>
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<name sortKey="Gouider Houja, Neziha" sort="Gouider Houja, Neziha" uniqKey="Gouider Houja N" first="Neziha" last="Gouider-Khouja">Neziha Gouider-Khouja</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
<wicri:noRegion>Tunis</wicri:noRegion>
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<name sortKey="Kefi, Mounir" sort="Kefi, Mounir" uniqKey="Kefi M" first="Mounir" last="Kefi">Mounir Kefi</name>
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<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
<wicri:noRegion>Tunis</wicri:noRegion>
</affiliation>
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<author>
<name sortKey="Zouari, Mourad" sort="Zouari, Mourad" uniqKey="Zouari M" first="Mourad" last="Zouari">Mourad Zouari</name>
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<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
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<name sortKey="Ben Sassi, Samia" sort="Ben Sassi, Samia" uniqKey="Ben Sassi S" first="Samia" last="Ben Sassi">Samia Ben Sassi</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
<wicri:noRegion>Tunis</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Ben Yahmed, Samia" sort="Ben Yahmed, Samia" uniqKey="Ben Yahmed S" first="Samia" last="Ben Yahmed">Samia Ben Yahmed</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
<wicri:noRegion>Tunis</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="El Euch Ayeche, Ghada" sort="El Euch Ayeche, Ghada" uniqKey="El Euch Ayeche G" first="Ghada" last="El Euch-Fayeche">Ghada El Euch-Fayeche</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
<wicri:noRegion>Tunis</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Middleton, Lefkos" sort="Middleton, Lefkos" uniqKey="Middleton L" first="Lefkos" last="Middleton">Lefkos Middleton</name>
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<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Research and Development, GlaxoSmithKline Pharmaceuticals, Greenford</wicri:regionArea>
<wicri:noRegion>Greenford</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Burn, David J" sort="Burn, David J" uniqKey="Burn D" first="David J." last="Burn">David J. Burn</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Department of Neurology, Newcastle General Hospital, Newcastle‐upon‐Tyne</wicri:regionArea>
<wicri:noRegion>Newcastle‐upon‐Tyne</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Watts, Ray L" sort="Watts, Ray L" uniqKey="Watts R" first="Ray L." last="Watts">Ray L. Watts</name>
<affiliation wicri:level="2">
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Neurology, University of Alabama at Birmingham, Birmingham, Alabama</wicri:regionArea>
<placeName>
<region type="state">Alabama</region>
</placeName>
</affiliation>
</author>
<author>
<name sortKey="Hentati, Faycal" sort="Hentati, Faycal" uniqKey="Hentati F" first="Faycal" last="Hentati">Faycal Hentati</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Service de Neurologie, Institut National de Neurologie, La Rabta, Tunis</wicri:regionArea>
<wicri:noRegion>Tunis</wicri:noRegion>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series>
<title level="j">Movement Disorders</title>
<title level="j" type="abbrev">Mov. Disord.</title>
<idno type="ISSN">0885-3185</idno>
<idno type="eISSN">1531-8257</idno>
<imprint>
<publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher>
<pubPlace>Hoboken</pubPlace>
<date type="published" when="2007-01">2007-01</date>
<biblScope unit="vol">22</biblScope>
<biblScope unit="issue">1</biblScope>
<biblScope unit="page" from="55">55</biblScope>
<biblScope unit="page" to="61">61</biblScope>
</imprint>
<idno type="ISSN">0885-3185</idno>
</series>
<idno type="istex">53A067ADB2FD6E36EC54AC61A38B5846E4B4FCE4</idno>
<idno type="DOI">10.1002/mds.21180</idno>
<idno type="ArticleID">MDS21180</idno>
</biblStruct>
</sourceDesc>
<seriesStmt>
<idno type="ISSN">0885-3185</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>American</term>
<term>Comparative study</term>
<term>Cross-Cultural Comparison</term>
<term>DNA Mutational Analysis</term>
<term>European Continental Ancestry Group</term>
<term>Family Health</term>
<term>Female</term>
<term>G2019S</term>
<term>Genetic Testing (methods)</term>
<term>Genotype</term>
<term>Glycine (genetics)</term>
<term>Humans</term>
<term>LRRK2</term>
<term>Male</term>
<term>Medical screening</term>
<term>Middle Aged</term>
<term>Mutation (genetics)</term>
<term>Nervous system diseases</term>
<term>North</term>
<term>North America (epidemiology)</term>
<term>North America (ethnology)</term>
<term>PARK8</term>
<term>Parkinson Disease (epidemiology)</term>
<term>Parkinson Disease (genetics)</term>
<term>Parkinson disease</term>
<term>Protein-Serine-Threonine Kinases (genetics)</term>
<term>Serine (genetics)</term>
<term>Tunisia (epidemiology)</term>
<term>Tunisia (ethnology)</term>
<term>genetics</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en">
<term>Glycine</term>
<term>Protein-Serine-Threonine Kinases</term>
<term>Serine</term>
</keywords>
<keywords scheme="MESH" type="geographic" qualifier="epidemiology" xml:lang="en">
<term>North America</term>
<term>Tunisia</term>
</keywords>
<keywords scheme="MESH" type="geographic" qualifier="ethnology" xml:lang="en">
<term>North America</term>
<term>Tunisia</term>
</keywords>
<keywords scheme="MESH" qualifier="epidemiology" xml:lang="en">
<term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en">
<term>Mutation</term>
<term>Parkinson Disease</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en">
<term>Genetic Testing</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Adult</term>
<term>Aged</term>
<term>Aged, 80 and over</term>
<term>Cross-Cultural Comparison</term>
<term>DNA Mutational Analysis</term>
<term>European Continental Ancestry Group</term>
<term>Family Health</term>
<term>Female</term>
<term>Genotype</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Américain</term>
<term>Dépistage</term>
<term>Etude comparative</term>
<term>Nord</term>
<term>Parkinson maladie</term>
<term>Système nerveux pathologie</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr">
<term>Tunisie</term>
</keywords>
</textClass>
<langUsage>
<language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Mutations in the leucine‐rich repeat kinase‐2 gene (LRRK2) are responsible for some forms of familial as well as sporadic Parkinson's disease (PD). The purpose of this study was to examine the frequency of a single pathogenic mutation (6055G>A) in the kinase domain of this gene in United States and Tunisian familial PD and to compare clinical characteristics between patients with and without the mutation. Standardized case report forms were used for clinical and demographic data collection. We investigated the frequency of the most common substitution of LRRK2 (G2019S, 6055G>A) and its impact on epidemiological and phenotypic features. The frequency of mutations in Tunisian families was 42% (38/91) and in U.S. families 2.6% (1/39), with the unique opportunity to compare homozygous (n = 23) and heterozygous (n = 109) Tunisian carriers of G2019S substitutions. Individuals with G2019S substitutions had an older age at onset but few other differences compared with families negative for the substitution. Patients with LRRK2 mutations had typical clinical features of PD. Comparisons between individuals with heterozygous and homozygous LRRK2 mutations suggested that gene dosage was not correlated with phenotypic differences; however, the estimated penetrance was greater in homozygotes across all age groups. © 2006 Movement Disorder Society</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Japon</li>
<li>Royaume-Uni</li>
<li>Tunisie</li>
<li>États-Unis</li>
</country>
<region>
<li>Alabama</li>
<li>Angleterre</li>
<li>Angleterre de l'Est</li>
<li>Caroline du Nord</li>
<li>Géorgie (États-Unis)</li>
<li>Kansas</li>
<li>Minnesota</li>
<li>Texas</li>
</region>
<settlement>
<li>Cambridge</li>
<li>Houston</li>
<li>Tokyo</li>
</settlement>
<orgName>
<li>Baylor College of Medicine</li>
<li>Université de Cambridge</li>
</orgName>
</list>
<tree>
<country name="Royaume-Uni">
<region name="Angleterre">
<name sortKey="Ishihara, Lianna" sort="Ishihara, Lianna" uniqKey="Ishihara L" first="Lianna" last="Ishihara">Lianna Ishihara</name>
</region>
<name sortKey="Burn, David J" sort="Burn, David J" uniqKey="Burn D" first="David J." last="Burn">David J. Burn</name>
<name sortKey="Elango, Ramu" sort="Elango, Ramu" uniqKey="Elango R" first="Ramu" last="Elango">Ramu Elango</name>
<name sortKey="Gibson, Rachel A" sort="Gibson, Rachel A" uniqKey="Gibson R" first="Rachel A." last="Gibson">Rachel A. Gibson</name>
<name sortKey="Leppert, David" sort="Leppert, David" uniqKey="Leppert D" first="David" last="Leppert">David Leppert</name>
<name sortKey="Middleton, Lefkos" sort="Middleton, Lefkos" uniqKey="Middleton L" first="Lefkos" last="Middleton">Lefkos Middleton</name>
<name sortKey="Surh, Linda" sort="Surh, Linda" uniqKey="Surh L" first="Linda" last="Surh">Linda Surh</name>
<name sortKey="Swartz, Jina E" sort="Swartz, Jina E" uniqKey="Swartz J" first="Jina E." last="Swartz">Jina E. Swartz</name>
<name sortKey="Thomas, Siwan" sort="Thomas, Siwan" uniqKey="Thomas S" first="Siwan" last="Thomas">Siwan Thomas</name>
</country>
<country name="États-Unis">
<region name="Caroline du Nord">
<name sortKey="Warren, Liling" sort="Warren, Liling" uniqKey="Warren L" first="Liling" last="Warren">Liling Warren</name>
</region>
<name sortKey="Akkari, P Anthony" sort="Akkari, P Anthony" uniqKey="Akkari P" first="P. Anthony" last="Akkari">P. Anthony Akkari</name>
<name sortKey="Freeman, Alan" sort="Freeman, Alan" uniqKey="Freeman A" first="Alan" last="Freeman">Alan Freeman</name>
<name sortKey="Hunter, Christine" sort="Hunter, Christine" uniqKey="Hunter C" first="Christine" last="Hunter">Christine Hunter</name>
<name sortKey="Jankovic, Joseph" sort="Jankovic, Joseph" uniqKey="Jankovic J" first="Joseph" last="Jankovic">Joseph Jankovic</name>
<name sortKey="Lyons, Kelly" sort="Lyons, Kelly" uniqKey="Lyons K" first="Kelly" last="Lyons">Kelly Lyons</name>
<name sortKey="Nance, Martha" sort="Nance, Martha" uniqKey="Nance M" first="Martha" last="Nance">Martha Nance</name>
<name sortKey="Pahwa, Rajesh" sort="Pahwa, Rajesh" uniqKey="Pahwa R" first="Rajesh" last="Pahwa">Rajesh Pahwa</name>
<name sortKey="Ragone, Leigh" sort="Ragone, Leigh" uniqKey="Ragone L" first="Leigh" last="Ragone">Leigh Ragone</name>
<name sortKey="Reeves, Kevin H" sort="Reeves, Kevin H" uniqKey="Reeves K" first="Kevin H." last="Reeves">Kevin H. Reeves</name>
<name sortKey="Watts, Ray L" sort="Watts, Ray L" uniqKey="Watts R" first="Ray L." last="Watts">Ray L. Watts</name>
<name sortKey="Wielinski, Catherine" sort="Wielinski, Catherine" uniqKey="Wielinski C" first="Catherine" last="Wielinski">Catherine Wielinski</name>
</country>
<country name="Tunisie">
<noRegion>
<name sortKey="Amouri, Rim" sort="Amouri, Rim" uniqKey="Amouri R" first="Rim" last="Amouri">Rim Amouri</name>
</noRegion>
<name sortKey="Ben Sassi, Samia" sort="Ben Sassi, Samia" uniqKey="Ben Sassi S" first="Samia" last="Ben Sassi">Samia Ben Sassi</name>
<name sortKey="Ben Yahmed, Samia" sort="Ben Yahmed, Samia" uniqKey="Ben Yahmed S" first="Samia" last="Ben Yahmed">Samia Ben Yahmed</name>
<name sortKey="El Euch Ayeche, Ghada" sort="El Euch Ayeche, Ghada" uniqKey="El Euch Ayeche G" first="Ghada" last="El Euch-Fayeche">Ghada El Euch-Fayeche</name>
<name sortKey="Gouider Houja, Neziha" sort="Gouider Houja, Neziha" uniqKey="Gouider Houja N" first="Neziha" last="Gouider-Khouja">Neziha Gouider-Khouja</name>
<name sortKey="Hentati, Faycal" sort="Hentati, Faycal" uniqKey="Hentati F" first="Faycal" last="Hentati">Faycal Hentati</name>
<name sortKey="Kefi, Mounir" sort="Kefi, Mounir" uniqKey="Kefi M" first="Mounir" last="Kefi">Mounir Kefi</name>
<name sortKey="Zouari, Mourad" sort="Zouari, Mourad" uniqKey="Zouari M" first="Mourad" last="Zouari">Mourad Zouari</name>
</country>
<country name="Japon">
<noRegion>
<name sortKey="Hattori, Nobutaka" sort="Hattori, Nobutaka" uniqKey="Hattori N" first="Nobutaka" last="Hattori">Nobutaka Hattori</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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