Localization of PSORS1 to a haplotype block harboring HLA-C and distinct from corneodesmosin and HCR
Identifieur interne : 000B79 ( Istex/Corpus ); précédent : 000B78; suivant : 000B80Localization of PSORS1 to a haplotype block harboring HLA-C and distinct from corneodesmosin and HCR
Auteurs : Cynthia Helms ; Nancy L. Saccone ; Li Cao ; Jil A. Wright. Daw ; Kai Cao ; Tony M. Hsu ; Patricia Taillon-Miller ; Shenghui Duan ; Derek Gordon ; Brandon Pierce ; Jurg Ott ; John Rice ; Marcelo A. Fernandez-Vina ; Pui-Yan Kwok ; Alan Menter ; Anne M. BowcockSource :
- Human Genetics [ 0340-6717 ] ; 2005-12-01.
Abstract
Abstract: Psoriasis is a complex inflammatory disease of the skin affecting 1–2% of the Caucasian population. Associations with alleles from the HLA class I region (now known as PSORS1), particularly HLA-Cw*0602, were described over 20 years ago. However, extensive linkage disequilibrium (LD) within this region has made it difficult to identify the true susceptibility allele from this region. A variety of genes and regions from a 238-kb interval extending from HLA-B to corneodesmosin (CDSN) have been proposed to harbor PSORS1. In order to identify the minimum block of LD in the MHC class I region associated with psoriasis we performed a comprehensive case/control and family-based association study on 242 Northern European psoriasis families and two separate European control populations. High resolution HLA typing of HLA-A, -B and -C alleles was performed, in addition to the genotyping of 18 polymorphic microsatellites and 36 SNPs from a 772-kb segment of the HLA class I region harboring the previously described interval. This corresponded on average to one SNP every 7 kb in the candidate 238 kb region. With all tests, the association was the strongest with single markers and haplotypes from a block of LD harboring HLA-C and SNP n.9. Logistic regression analyses indicated that association seen with candidate genes from the interval such as CDSN and HCR was entirely dependent on association with HLA-Cw*0602 and SNP n.9-G alleles. The previously reported association with CDSN and HCR was observed to be due to the existence of the associated alleles lying on the most commonly over-transmitted haplotype. Rare over-transmitted haplotypes also harbored HLA-Cw*12 alleles. HLA-Cw*12 family members are closely related to HLA Cw*0602, sharing identical sequences in their alpha-2 domains, peptide-binding pockets A, D and E and all 3′ introns. The introduction of a potential binding site for the RUNX/AML family of transcription factors in intron 7, is also specific to these HLA-C alleles. These variants need to be investigated further for their role as PSORS1.
Url:
DOI: 10.1007/s00439-005-0048-2
Links to Exploration step
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<front><div type="abstract" xml:lang="en">Abstract: Psoriasis is a complex inflammatory disease of the skin affecting 1–2% of the Caucasian population. Associations with alleles from the HLA class I region (now known as PSORS1), particularly HLA-Cw*0602, were described over 20 years ago. However, extensive linkage disequilibrium (LD) within this region has made it difficult to identify the true susceptibility allele from this region. A variety of genes and regions from a 238-kb interval extending from HLA-B to corneodesmosin (CDSN) have been proposed to harbor PSORS1. In order to identify the minimum block of LD in the MHC class I region associated with psoriasis we performed a comprehensive case/control and family-based association study on 242 Northern European psoriasis families and two separate European control populations. High resolution HLA typing of HLA-A, -B and -C alleles was performed, in addition to the genotyping of 18 polymorphic microsatellites and 36 SNPs from a 772-kb segment of the HLA class I region harboring the previously described interval. This corresponded on average to one SNP every 7 kb in the candidate 238 kb region. With all tests, the association was the strongest with single markers and haplotypes from a block of LD harboring HLA-C and SNP n.9. Logistic regression analyses indicated that association seen with candidate genes from the interval such as CDSN and HCR was entirely dependent on association with HLA-Cw*0602 and SNP n.9-G alleles. The previously reported association with CDSN and HCR was observed to be due to the existence of the associated alleles lying on the most commonly over-transmitted haplotype. Rare over-transmitted haplotypes also harbored HLA-Cw*12 alleles. HLA-Cw*12 family members are closely related to HLA Cw*0602, sharing identical sequences in their alpha-2 domains, peptide-binding pockets A, D and E and all 3′ introns. The introduction of a potential binding site for the RUNX/AML family of transcription factors in intron 7, is also specific to these HLA-C alleles. These variants need to be investigated further for their role as PSORS1.</div>
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<abstract>Abstract: Psoriasis is a complex inflammatory disease of the skin affecting 1–2% of the Caucasian population. Associations with alleles from the HLA class I region (now known as PSORS1), particularly HLA-Cw*0602, were described over 20 years ago. However, extensive linkage disequilibrium (LD) within this region has made it difficult to identify the true susceptibility allele from this region. A variety of genes and regions from a 238-kb interval extending from HLA-B to corneodesmosin (CDSN) have been proposed to harbor PSORS1. In order to identify the minimum block of LD in the MHC class I region associated with psoriasis we performed a comprehensive case/control and family-based association study on 242 Northern European psoriasis families and two separate European control populations. High resolution HLA typing of HLA-A, -B and -C alleles was performed, in addition to the genotyping of 18 polymorphic microsatellites and 36 SNPs from a 772-kb segment of the HLA class I region harboring the previously described interval. This corresponded on average to one SNP every 7 kb in the candidate 238 kb region. With all tests, the association was the strongest with single markers and haplotypes from a block of LD harboring HLA-C and SNP n.9. Logistic regression analyses indicated that association seen with candidate genes from the interval such as CDSN and HCR was entirely dependent on association with HLA-Cw*0602 and SNP n.9-G alleles. The previously reported association with CDSN and HCR was observed to be due to the existence of the associated alleles lying on the most commonly over-transmitted haplotype. Rare over-transmitted haplotypes also harbored HLA-Cw*12 alleles. HLA-Cw*12 family members are closely related to HLA Cw*0602, sharing identical sequences in their alpha-2 domains, peptide-binding pockets A, D and E and all 3′ introns. The introduction of a potential binding site for the RUNX/AML family of transcription factors in intron 7, is also specific to these HLA-C alleles. These variants need to be investigated further for their role as PSORS1.</abstract>
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<Para TextBreak="No">Psoriasis is a complex inflammatory disease of the skin affecting 1–2% of the Caucasian population. Associations with alleles from the HLA class I region (now known as PSORS1), particularly HLA-Cw*0602, were described over 20 years ago. However, extensive linkage disequilibrium (LD) within this region has made it difficult to identify the true susceptibility allele from this region. A variety of genes and regions from a 238-kb interval extending from HLA-B to corneodesmosin (CDSN) have been proposed to harbor PSORS1. In order to identify the minimum block of LD in the MHC class I region associated with psoriasis we performed a comprehensive case/control and family-based association study on 242 Northern European psoriasis families and two separate European control populations. High resolution HLA typing of HLA-A, -B and -C alleles was performed, in addition to the genotyping of 18 polymorphic microsatellites and 36 SNPs from a 772-kb segment of the HLA class I region harboring the previously described interval. This corresponded on average to one SNP every 7 kb in the candidate 238 kb region. With all tests, the association was the strongest with single markers and haplotypes from a block of LD harboring HLA-C and SNP n.9. Logistic regression analyses indicated that association seen with candidate genes from the interval such as CDSN and HCR was entirely dependent on association with HLA-Cw*0602 and SNP n.9-G alleles. The previously reported association with CDSN and HCR was observed to be due to the existence of the associated alleles lying on the most commonly over-transmitted haplotype. Rare over-transmitted haplotypes also harbored HLA-Cw*12 alleles. HLA-Cw*12 family members are closely related to HLA Cw*0602, sharing identical sequences in their alpha-2 domains, peptide-binding pockets A, D and E and all 3′ introns. The introduction of a potential binding site for the RUNX/AML family of transcription factors in intron 7, is also specific to these HLA-C alleles. These variants need to be investigated further for their role as PSORS1.</Para>
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<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">John</namePart>
<namePart type="family">Rice</namePart>
<affiliation>Department of Psychiatry, Washington University School of Medicine, St. Louis, USA</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Marcelo</namePart>
<namePart type="given">A.</namePart>
<namePart type="family">Fernandez-Vina</namePart>
<affiliation>Oncology Department, Georgetown University School of Medicine, Washington, DC, USA</affiliation>
<affiliation>Department of Laboratory Medicine, The University of Texas M.D. Anderson, Cancer Center, Houston, TX, USA</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Pui-Yan</namePart>
<namePart type="family">Kwok</namePart>
<affiliation>Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, USA</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">Alan</namePart>
<namePart type="family">Menter</namePart>
<affiliation>Department of Internal Medicine, Division of Dermatology, Baylor University Medical Center, Dallas, USA</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal" displayLabel="corresp"><namePart type="given">Anne</namePart>
<namePart type="given">M.</namePart>
<namePart type="family">Bowcock</namePart>
<affiliation>Department of Genetics, Washington University School of Medicine, 4566 Scott Avenue, Box 8232, 63110, St. Louis, Missouri, USA</affiliation>
<affiliation>Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, USA</affiliation>
<affiliation>E-mail: bowcock@genetics.wustl.edu</affiliation>
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<genre type="research-article" displayLabel="OriginalPaper" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-1JC4F85T-7">research-article</genre>
<originInfo><publisher>Springer-Verlag</publisher>
<place><placeTerm type="text">Berlin/Heidelberg</placeTerm>
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<dateCreated encoding="w3cdtf">2005-02-25</dateCreated>
<dateIssued encoding="w3cdtf">2005-12-01</dateIssued>
<dateIssued encoding="w3cdtf">2005</dateIssued>
<copyrightDate encoding="w3cdtf">2005</copyrightDate>
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<language><languageTerm type="code" authority="rfc3066">en</languageTerm>
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<abstract lang="en">Abstract: Psoriasis is a complex inflammatory disease of the skin affecting 1–2% of the Caucasian population. Associations with alleles from the HLA class I region (now known as PSORS1), particularly HLA-Cw*0602, were described over 20 years ago. However, extensive linkage disequilibrium (LD) within this region has made it difficult to identify the true susceptibility allele from this region. A variety of genes and regions from a 238-kb interval extending from HLA-B to corneodesmosin (CDSN) have been proposed to harbor PSORS1. In order to identify the minimum block of LD in the MHC class I region associated with psoriasis we performed a comprehensive case/control and family-based association study on 242 Northern European psoriasis families and two separate European control populations. High resolution HLA typing of HLA-A, -B and -C alleles was performed, in addition to the genotyping of 18 polymorphic microsatellites and 36 SNPs from a 772-kb segment of the HLA class I region harboring the previously described interval. This corresponded on average to one SNP every 7 kb in the candidate 238 kb region. With all tests, the association was the strongest with single markers and haplotypes from a block of LD harboring HLA-C and SNP n.9. Logistic regression analyses indicated that association seen with candidate genes from the interval such as CDSN and HCR was entirely dependent on association with HLA-Cw*0602 and SNP n.9-G alleles. The previously reported association with CDSN and HCR was observed to be due to the existence of the associated alleles lying on the most commonly over-transmitted haplotype. Rare over-transmitted haplotypes also harbored HLA-Cw*12 alleles. HLA-Cw*12 family members are closely related to HLA Cw*0602, sharing identical sequences in their alpha-2 domains, peptide-binding pockets A, D and E and all 3′ introns. The introduction of a potential binding site for the RUNX/AML family of transcription factors in intron 7, is also specific to these HLA-C alleles. These variants need to be investigated further for their role as PSORS1.</abstract>
<note>Original Investigation</note>
<relatedItem type="host"><titleInfo><title>Human Genetics</title>
</titleInfo>
<titleInfo type="abbreviated"><title>Hum Genet</title>
</titleInfo>
<genre type="journal" displayLabel="Archive Journal" authority="ISTEX" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre>
<originInfo><publisher>Springer</publisher>
<dateIssued encoding="w3cdtf">2006-01-09</dateIssued>
<copyrightDate encoding="w3cdtf">2005</copyrightDate>
</originInfo>
<subject><genre>Biomedicine</genre>
<topic>Metabolic Diseases</topic>
<topic>Gene Function</topic>
<topic>Molecular Medicine</topic>
<topic>Human Genetics</topic>
</subject>
<identifier type="ISSN">0340-6717</identifier>
<identifier type="eISSN">1432-1203</identifier>
<identifier type="JournalID">439</identifier>
<identifier type="IssueArticleCount">30</identifier>
<identifier type="VolumeIssueCount">6</identifier>
<part><date>2005</date>
<detail type="volume"><number>118</number>
<caption>vol.</caption>
</detail>
<detail type="issue"><number>3-4</number>
<caption>no.</caption>
</detail>
<extent unit="pages"><start>466</start>
<end>476</end>
</extent>
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<identifier type="istex">16ACDE9BB85A6B093E6286E1EF225DCC0DA2A577</identifier>
<identifier type="ark">ark:/67375/VQC-K0L90Q5P-8</identifier>
<identifier type="DOI">10.1007/s00439-005-0048-2</identifier>
<identifier type="ArticleID">48</identifier>
<identifier type="ArticleID">s00439-005-0048-2</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Springer-Verlag, 2005</accessCondition>
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