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Article: Phospholipase A2 receptor (PLA2R1) sequence variants in idiopathic membranous nephropathy

TitlePhospholipase A2 receptor (PLA2R1) sequence variants in idiopathic membranous nephropathy
Authors
Issue Date2013
Citation
Journal of the American Society of Nephrology, 2013, v. 24 n. 4, p. 677-683 How to Cite?
AbstractTheM-type receptor for phospholipase A2 (PLA2R1) is themajor target antigen in idiopathicmembranous nephropathy (iMN). Our recent genome-wide association study showed that genetic variants in an HLADQA1 and phospholipase A2 receptor (PLA2R1) allele associate most significantly with biopsy-proven iMN, suggesting that rare genetic variants within the coding region of the PLA2R1 gene may contribute to antibody formation. Here, we sequenced PLA2R1 in a cohort of 95 white patients with biopsy-proven iMN and assessed all 30 exons of PLA2R1, including canonical (GT-AG) splice sites, by Sanger sequencing. Sixty patients had anti-PLA2R1 in serum or detectable PLA2R1 antigen in kidney tissue. We identified 18 sequence variants, comprising 2 not previously described, 7 reported as rare variants (<1%) in the Single Nucleotide Polymorphism Database or the 1000 Genomes project, and 9 known to be common polymorphisms. Although we confirmed significant associations among 6 of the identified common variants and iMN, only 9 patients had the private or rare variants, and only 4 of these patients were among the 60 who were PLA2R positive. In conclusion, rare variants in the coding sequence of PLA2R1, including splice sites, are unlikely to explain the pathogenesis of iMN. Copyright © 2013 by the American Society of Nephrology.
Persistent Identifierhttp://hdl.handle.net/10722/195403
ISSN
2015 Impact Factor: 8.491
2015 SCImago Journal Rankings: 4.699
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCoenen, MJH-
dc.contributor.authorHofstra, JM-
dc.contributor.authorDebiec, H-
dc.contributor.authorStanescu, HC-
dc.contributor.authorMedlar, AJ-
dc.contributor.authorStengel, B-
dc.contributor.authorBoland-Augé, A-
dc.contributor.authorGroothuismink, JM-
dc.contributor.authorBockenhauer, D-
dc.contributor.authorPowis, SH-
dc.contributor.authorMathieson, PW-
dc.contributor.authorBrenchley, PE-
dc.contributor.authorKleta, R-
dc.contributor.authorWetzels, JFM-
dc.contributor.authorRonco, P-
dc.date.accessioned2014-02-28T06:12:06Z-
dc.date.available2014-02-28T06:12:06Z-
dc.date.issued2013-
dc.identifier.citationJournal of the American Society of Nephrology, 2013, v. 24 n. 4, p. 677-683-
dc.identifier.issn1046-6673-
dc.identifier.urihttp://hdl.handle.net/10722/195403-
dc.description.abstractTheM-type receptor for phospholipase A2 (PLA2R1) is themajor target antigen in idiopathicmembranous nephropathy (iMN). Our recent genome-wide association study showed that genetic variants in an HLADQA1 and phospholipase A2 receptor (PLA2R1) allele associate most significantly with biopsy-proven iMN, suggesting that rare genetic variants within the coding region of the PLA2R1 gene may contribute to antibody formation. Here, we sequenced PLA2R1 in a cohort of 95 white patients with biopsy-proven iMN and assessed all 30 exons of PLA2R1, including canonical (GT-AG) splice sites, by Sanger sequencing. Sixty patients had anti-PLA2R1 in serum or detectable PLA2R1 antigen in kidney tissue. We identified 18 sequence variants, comprising 2 not previously described, 7 reported as rare variants (<1%) in the Single Nucleotide Polymorphism Database or the 1000 Genomes project, and 9 known to be common polymorphisms. Although we confirmed significant associations among 6 of the identified common variants and iMN, only 9 patients had the private or rare variants, and only 4 of these patients were among the 60 who were PLA2R positive. In conclusion, rare variants in the coding sequence of PLA2R1, including splice sites, are unlikely to explain the pathogenesis of iMN. Copyright © 2013 by the American Society of Nephrology.-
dc.languageeng-
dc.relation.ispartofJournal of the American Society of Nephrology-
dc.titlePhospholipase A2 receptor (PLA2R1) sequence variants in idiopathic membranous nephropathy-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1681/ASN.2012070730-
dc.identifier.pmid23431073-
dc.identifier.scopuseid_2-s2.0-84875702300-
dc.identifier.volume24-
dc.identifier.issue4-
dc.identifier.spage677-
dc.identifier.epage683-
dc.identifier.isiWOS:000316921700019-

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