Polymorphisms in the IL-6 receptor (IL-6R) gene: strong evidence that serum levels of soluble IL-6R are genetically influenced
Open Access
- 12 August 2004
- journal article
- research article
- Published by Springer Nature in Genes & Immunity
- Vol. 5 (6) , 513-516
- https://doi.org/10.1038/sj.gene.6364120
Abstract
We have investigated the association of the recently identified IL6R polymorphisms with the serum levels of soluble IL-6 receptor (sIL-6R). sIL-6R is generated by shedding of the membrane-bound receptor (IL-6Rα) or alternative mRNA splicing. In total, 115 healthy volunteers were genotyped, with 70 of them analyzed for sIL-6R levels. Using the PCR/RFLP methods, two important polymorphic sites were selected for genotyping: the 48892A/C (D358A) in exon 9 and the −183G/A in the promoter region. In exon 9, C allele carriers had higher sIL-6R level (PPD′=0.54, χ2=51.3, P<0.0001) between the −183G/A and the 48892A/C gene polymorphisms.Keywords
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