No evidence of association between genetic variants of the PDCD1 ligands and SLE
2007 (English)In: Genes and Immunity, ISSN 1466-4879, E-ISSN 1476-5470, Vol. 8, no 1, 69-74 p.Article in journal (Refereed) Published
PDCD1, an immunoreceptor involved in peripheral tolerance has previously been shown to be genetically associated with systemic lupus erythematosus (SLE). PDCD1 has two ligands whose genes are located in close proximity on chromosome 9p24. Our attention was drawn to these ligands after finding suggestive linkage to a marker (gata62f03, Z=2.27) located close to their genes in a genome scan of Icelandic families multiplex for SLE. Here, we analyse Swedish trios (N=149) for 23 single nucleotide polymorphisms (SNPs) within the genes of the PDCD1 ligands. Initially, indication of association to eight SNPs was observed, and these SNPs were therefore also analysed in Mexican trios (N=90), as well as independent sets of patients and controls from Sweden (152 patients, 448 controls) and Argentina (288 patients, 288 controls). We do not find support for genetic association to SLE. This is the first genetic study of SLE and the PDCD1 ligands and the lack of association in several cohorts implies that these genes are not major risk factors for SLE.
Place, publisher, year, edition, pages
2007. Vol. 8, no 1, 69-74 p.
systemic lupus erythematosus, genetic association, linkage disequilibrium, autoimmunity, PD-L1, PD-L2
Medical and Health Sciences
IdentifiersURN: urn:nbn:se:uu:diva-97760DOI: 10.1038/sj.gene.6364360ISI: 000243783500009PubMedID: 17136123OAI: oai:DiVA.org:uu-97760DiVA: diva2:172820