Huntington's disease in Greece: the experience of 14 years

Panas M, Karadima G, Vassos E, Kalfakis N, Kladi A, Christodoulou K, Vassilopoulos D. Huntington's disease in Greece: the experience of 14 years. A large scale genetic and epidemiological study of Huntington's disease (HD) was carried out in Greece from January 1995 to December 2008. Diagn...

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Veröffentlicht in:Clinical genetics 2011-12, Vol.80 (6), p.586-590
Hauptverfasser: Panas, M, Karadima, G, Vassos, E, Kalfakis, N, Kladi, A, Christodoulou, K, Vassilopoulos, D
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container_end_page 590
container_issue 6
container_start_page 586
container_title Clinical genetics
container_volume 80
creator Panas, M
Karadima, G
Vassos, E
Kalfakis, N
Kladi, A
Christodoulou, K
Vassilopoulos, D
description Panas M, Karadima G, Vassos E, Kalfakis N, Kladi A, Christodoulou K, Vassilopoulos D. Huntington's disease in Greece: the experience of 14 years. A large scale genetic and epidemiological study of Huntington's disease (HD) was carried out in Greece from January 1995 to December 2008. Diagnostic testing was carried out in 461 symptomatic individuals, while 256 were tested for presymptomatic purposes. The diagnosis of HD with a CAG expansion ≥36 was confirmed in 278 symptomatic individuals. The prevalence of HD in Greece was estimated at approximately 2.5 to 5.4:100,000, while the mean minimum incidence was estimated at 2.2 to 4.4 per million per year. The molecular diagnosis of HD was confirmed in the majority of patients (84.4%) sent for confirmation. The false‐positive cases 15.6% were characterized by the absence of a family history of HD and the presence of an atypical clinical picture. The uptake of predictive testing for HD was 8.6%. A prenatal test was requested in six pregnancies. The findings of our study do not differ significantly from those of similar studies from other European countries despite the relative genetic isolation of Greece. Of interest is the identification of clusters of HD in Greece. The presence or absence of a family history of HD should be interpreted cautiously, during the diagnostic process.
doi_str_mv 10.1111/j.1399-0004.2010.01603.x
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Huntington's disease in Greece: the experience of 14 years. A large scale genetic and epidemiological study of Huntington's disease (HD) was carried out in Greece from January 1995 to December 2008. Diagnostic testing was carried out in 461 symptomatic individuals, while 256 were tested for presymptomatic purposes. The diagnosis of HD with a CAG expansion ≥36 was confirmed in 278 symptomatic individuals. The prevalence of HD in Greece was estimated at approximately 2.5 to 5.4:100,000, while the mean minimum incidence was estimated at 2.2 to 4.4 per million per year. The molecular diagnosis of HD was confirmed in the majority of patients (84.4%) sent for confirmation. The false‐positive cases 15.6% were characterized by the absence of a family history of HD and the presence of an atypical clinical picture. The uptake of predictive testing for HD was 8.6%. A prenatal test was requested in six pregnancies. 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Huntington's disease in Greece: the experience of 14 years. A large scale genetic and epidemiological study of Huntington's disease (HD) was carried out in Greece from January 1995 to December 2008. Diagnostic testing was carried out in 461 symptomatic individuals, while 256 were tested for presymptomatic purposes. The diagnosis of HD with a CAG expansion ≥36 was confirmed in 278 symptomatic individuals. The prevalence of HD in Greece was estimated at approximately 2.5 to 5.4:100,000, while the mean minimum incidence was estimated at 2.2 to 4.4 per million per year. The molecular diagnosis of HD was confirmed in the majority of patients (84.4%) sent for confirmation. The false‐positive cases 15.6% were characterized by the absence of a family history of HD and the presence of an atypical clinical picture. The uptake of predictive testing for HD was 8.6%. A prenatal test was requested in six pregnancies. 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Leukodystrophies. Prion diseases</topic><topic>Epidemiology</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects. Genetic counseling</topic><topic>Genetic Predisposition to Disease</topic><topic>Genetic Testing - statistics &amp; numerical data</topic><topic>Genetics</topic><topic>Genetics of eukaryotes. Biological and molecular evolution</topic><topic>Greece</topic><topic>Greece - epidemiology</topic><topic>Humans</topic><topic>Huntington Disease - diagnosis</topic><topic>Huntington Disease - epidemiology</topic><topic>Huntington Disease - genetics</topic><topic>Huntington's disease</topic><topic>Huntingtons disease</topic><topic>Incidence</topic><topic>Infant</topic><topic>Male</topic><topic>Medical genetics</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Molecular and cellular biology</topic><topic>Nerve Tissue Proteins - genetics</topic><topic>neurogenetic</topic><topic>Neurology</topic><topic>Pedigree</topic><topic>population</topic><topic>Pregnancy</topic><topic>Prenatal Diagnosis</topic><topic>Prevalence</topic><topic>Prospective Studies</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Panas, M</creatorcontrib><creatorcontrib>Karadima, G</creatorcontrib><creatorcontrib>Vassos, E</creatorcontrib><creatorcontrib>Kalfakis, N</creatorcontrib><creatorcontrib>Kladi, A</creatorcontrib><creatorcontrib>Christodoulou, K</creatorcontrib><creatorcontrib>Vassilopoulos, D</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical genetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Panas, M</au><au>Karadima, G</au><au>Vassos, E</au><au>Kalfakis, N</au><au>Kladi, A</au><au>Christodoulou, K</au><au>Vassilopoulos, D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Huntington's disease in Greece: the experience of 14 years</atitle><jtitle>Clinical genetics</jtitle><addtitle>Clin Genet</addtitle><date>2011-12</date><risdate>2011</risdate><volume>80</volume><issue>6</issue><spage>586</spage><epage>590</epage><pages>586-590</pages><issn>0009-9163</issn><eissn>1399-0004</eissn><coden>CLGNAY</coden><abstract>Panas M, Karadima G, Vassos E, Kalfakis N, Kladi A, Christodoulou K, Vassilopoulos D. Huntington's disease in Greece: the experience of 14 years. A large scale genetic and epidemiological study of Huntington's disease (HD) was carried out in Greece from January 1995 to December 2008. Diagnostic testing was carried out in 461 symptomatic individuals, while 256 were tested for presymptomatic purposes. The diagnosis of HD with a CAG expansion ≥36 was confirmed in 278 symptomatic individuals. The prevalence of HD in Greece was estimated at approximately 2.5 to 5.4:100,000, while the mean minimum incidence was estimated at 2.2 to 4.4 per million per year. The molecular diagnosis of HD was confirmed in the majority of patients (84.4%) sent for confirmation. The false‐positive cases 15.6% were characterized by the absence of a family history of HD and the presence of an atypical clinical picture. The uptake of predictive testing for HD was 8.6%. A prenatal test was requested in six pregnancies. The findings of our study do not differ significantly from those of similar studies from other European countries despite the relative genetic isolation of Greece. Of interest is the identification of clusters of HD in Greece. The presence or absence of a family history of HD should be interpreted cautiously, during the diagnostic process.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>21166788</pmid><doi>10.1111/j.1399-0004.2010.01603.x</doi><tpages>5</tpages></addata></record>
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subjects Adolescent
Adult
Aged
Aged, 80 and over
Biological and medical sciences
Child
Child, Preschool
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
Epidemiology
Female
Fundamental and applied biological sciences. Psychology
General aspects. Genetic counseling
Genetic Predisposition to Disease
Genetic Testing - statistics & numerical data
Genetics
Genetics of eukaryotes. Biological and molecular evolution
Greece
Greece - epidemiology
Humans
Huntington Disease - diagnosis
Huntington Disease - epidemiology
Huntington Disease - genetics
Huntington's disease
Huntingtons disease
Incidence
Infant
Male
Medical genetics
Medical sciences
Middle Aged
Molecular and cellular biology
Nerve Tissue Proteins - genetics
neurogenetic
Neurology
Pedigree
population
Pregnancy
Prenatal Diagnosis
Prevalence
Prospective Studies
Young Adult
title Huntington's disease in Greece: the experience of 14 years
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