Genetic analysis of FMR1 repeat expansion in essential tremor
•ET shares clinical features with Fragile X associated tremor/ataxia syndrome.•Analyzed FMR1 CGG repeats in 321 ET cases and 296 controls.•Analysis included overall allele distribution, premutation, and gray zone alleles.•We found no evidence for a positive association of FMR1 CGG repeat alleles wit...
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| Veröffentlicht in: | Neuroscience letters 2015-04, Vol.593, p.114-117 |
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| container_title | Neuroscience letters |
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| creator | Clark, L.N. Ye, X. Liu, X. Louis, E.D. |
| description | •ET shares clinical features with Fragile X associated tremor/ataxia syndrome.•Analyzed FMR1 CGG repeats in 321 ET cases and 296 controls.•Analysis included overall allele distribution, premutation, and gray zone alleles.•We found no evidence for a positive association of FMR1 CGG repeat alleles with ET.
We performed an association analysis of Fragile X mental retardation 1 (FMR1) CGG repeats in 321 essential tremor (ET) cases and 296 controls at Columbia University. In addition to analyzing the allele distribution (10–49 CGG repeats) in the entire sample, we also performed a screen for ET cases with the FMR1 premutation allele (55–200 CGG repeats), and evaluated an association between ET and FMR1 alleles that included gray zone alleles (41–54 CGG repeats). CGG premutation alleles and gray zone alleles were rare in ET cases, and we found no evidence for association of premutation or gray zone alleles with ET. These data suggest that FMR1 CGG repeats are not a genetic risk factor for ET. |
| doi_str_mv | 10.1016/j.neulet.2015.03.027 |
| format | Article |
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We performed an association analysis of Fragile X mental retardation 1 (FMR1) CGG repeats in 321 essential tremor (ET) cases and 296 controls at Columbia University. In addition to analyzing the allele distribution (10–49 CGG repeats) in the entire sample, we also performed a screen for ET cases with the FMR1 premutation allele (55–200 CGG repeats), and evaluated an association between ET and FMR1 alleles that included gray zone alleles (41–54 CGG repeats). CGG premutation alleles and gray zone alleles were rare in ET cases, and we found no evidence for association of premutation or gray zone alleles with ET. These data suggest that FMR1 CGG repeats are not a genetic risk factor for ET.</description><identifier>ISSN: 0304-3940</identifier><identifier>EISSN: 1872-7972</identifier><identifier>DOI: 10.1016/j.neulet.2015.03.027</identifier><identifier>PMID: 25796179</identifier><language>eng</language><publisher>Ireland: Elsevier Ireland Ltd</publisher><subject>Adult ; Case-Control Studies ; Essential tremor ; Essential Tremor - genetics ; Female ; FMR1 ; Fragile X ; Fragile X Mental Retardation Protein - genetics ; Genetics ; Gray zone alleles ; Humans ; Male ; Middle Aged ; Premutation alleles ; Trinucleotide Repeat Expansion</subject><ispartof>Neuroscience letters, 2015-04, Vol.593, p.114-117</ispartof><rights>2015 Elsevier Ireland Ltd</rights><rights>Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.</rights><rights>2015 Published by Elsevier Ireland Ltd. 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-a7c0da405f2e8c1ff4d9e4a77777ead1ac4d15a44343250d119b3ab6a5bb1c033</citedby><cites>FETCH-LOGICAL-c463t-a7c0da405f2e8c1ff4d9e4a77777ead1ac4d15a44343250d119b3ab6a5bb1c033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.neulet.2015.03.027$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25796179$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Clark, L.N.</creatorcontrib><creatorcontrib>Ye, X.</creatorcontrib><creatorcontrib>Liu, X.</creatorcontrib><creatorcontrib>Louis, E.D.</creatorcontrib><title>Genetic analysis of FMR1 repeat expansion in essential tremor</title><title>Neuroscience letters</title><addtitle>Neurosci Lett</addtitle><description>•ET shares clinical features with Fragile X associated tremor/ataxia syndrome.•Analyzed FMR1 CGG repeats in 321 ET cases and 296 controls.•Analysis included overall allele distribution, premutation, and gray zone alleles.•We found no evidence for a positive association of FMR1 CGG repeat alleles with ET.
We performed an association analysis of Fragile X mental retardation 1 (FMR1) CGG repeats in 321 essential tremor (ET) cases and 296 controls at Columbia University. In addition to analyzing the allele distribution (10–49 CGG repeats) in the entire sample, we also performed a screen for ET cases with the FMR1 premutation allele (55–200 CGG repeats), and evaluated an association between ET and FMR1 alleles that included gray zone alleles (41–54 CGG repeats). CGG premutation alleles and gray zone alleles were rare in ET cases, and we found no evidence for association of premutation or gray zone alleles with ET. These data suggest that FMR1 CGG repeats are not a genetic risk factor for ET.</description><subject>Adult</subject><subject>Case-Control Studies</subject><subject>Essential tremor</subject><subject>Essential Tremor - genetics</subject><subject>Female</subject><subject>FMR1</subject><subject>Fragile X</subject><subject>Fragile X Mental Retardation Protein - genetics</subject><subject>Genetics</subject><subject>Gray zone alleles</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Premutation alleles</subject><subject>Trinucleotide Repeat Expansion</subject><issn>0304-3940</issn><issn>1872-7972</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1P3DAQhq0KVBbaf1ChHLkkjD8S4wNICPElgZCq9mxNnEnxKmsvdhbBvyerpXxcmMscZuZ933kY-8Wh4sCbw3kVaDXQWAngdQWyAqG_sRk_0qLURostNgMJqpRGwQ7bzXkOADWv1Xe2I2ptGq7NjB1fUqDRuwIDDs_Z5yL2xcXtb14kWhKOBT0tMWQfQ-FDQTlTGD0OxZhoEdMPtt3jkOnna99jfy_O_5xdlTd3l9dnpzelU40cS9QOOlRQ94KOHO971RlSqNdF2HF0quM1KiWVFDV0nJtWYttg3bbcgZR77GSju1y1C-rcFCLhYJfJLzA924jefp4Ef2__xUerpJHamEng4FUgxYcV5dEufHY0DBgorrLljRYNKKXFtKo2qy7FnBP1bzYc7Jq8ndsNebsmb0Haifx0tv8x4tvRf9TvP9AE6tFTstl5Co46n8iNtov-a4cXnZGXyw</recordid><startdate>20150423</startdate><enddate>20150423</enddate><creator>Clark, L.N.</creator><creator>Ye, X.</creator><creator>Liu, X.</creator><creator>Louis, E.D.</creator><general>Elsevier Ireland Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20150423</creationdate><title>Genetic analysis of FMR1 repeat expansion in essential tremor</title><author>Clark, L.N. ; Ye, X. ; Liu, X. ; Louis, E.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-a7c0da405f2e8c1ff4d9e4a77777ead1ac4d15a44343250d119b3ab6a5bb1c033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adult</topic><topic>Case-Control Studies</topic><topic>Essential tremor</topic><topic>Essential Tremor - genetics</topic><topic>Female</topic><topic>FMR1</topic><topic>Fragile X</topic><topic>Fragile X Mental Retardation Protein - genetics</topic><topic>Genetics</topic><topic>Gray zone alleles</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Premutation alleles</topic><topic>Trinucleotide Repeat Expansion</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Clark, L.N.</creatorcontrib><creatorcontrib>Ye, X.</creatorcontrib><creatorcontrib>Liu, X.</creatorcontrib><creatorcontrib>Louis, E.D.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Neuroscience letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Clark, L.N.</au><au>Ye, X.</au><au>Liu, X.</au><au>Louis, E.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic analysis of FMR1 repeat expansion in essential tremor</atitle><jtitle>Neuroscience letters</jtitle><addtitle>Neurosci Lett</addtitle><date>2015-04-23</date><risdate>2015</risdate><volume>593</volume><spage>114</spage><epage>117</epage><pages>114-117</pages><issn>0304-3940</issn><eissn>1872-7972</eissn><abstract>•ET shares clinical features with Fragile X associated tremor/ataxia syndrome.•Analyzed FMR1 CGG repeats in 321 ET cases and 296 controls.•Analysis included overall allele distribution, premutation, and gray zone alleles.•We found no evidence for a positive association of FMR1 CGG repeat alleles with ET.
We performed an association analysis of Fragile X mental retardation 1 (FMR1) CGG repeats in 321 essential tremor (ET) cases and 296 controls at Columbia University. In addition to analyzing the allele distribution (10–49 CGG repeats) in the entire sample, we also performed a screen for ET cases with the FMR1 premutation allele (55–200 CGG repeats), and evaluated an association between ET and FMR1 alleles that included gray zone alleles (41–54 CGG repeats). CGG premutation alleles and gray zone alleles were rare in ET cases, and we found no evidence for association of premutation or gray zone alleles with ET. These data suggest that FMR1 CGG repeats are not a genetic risk factor for ET.</abstract><cop>Ireland</cop><pub>Elsevier Ireland Ltd</pub><pmid>25796179</pmid><doi>10.1016/j.neulet.2015.03.027</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adult Case-Control Studies Essential tremor Essential Tremor - genetics Female FMR1 Fragile X Fragile X Mental Retardation Protein - genetics Genetics Gray zone alleles Humans Male Middle Aged Premutation alleles Trinucleotide Repeat Expansion |
| title | Genetic analysis of FMR1 repeat expansion in essential tremor |
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