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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
Published on: June 21, 2018
Asthma-related SNP in FCER2 is associated with increased expression of IL-4R on human B cells
M A Chan1, N M Gigliotti, J Meng
1Department of Pediatric Immunology, Children's Mercy Hospital, Kansas City, MO, USA. machan@cmh.edu
Abstract:
A SNP (rs2228137) (R62W) in FCER2 has been linked with severe exacerbations in asthmatics. Transfectants expressing the SNP exhibited increased IL-4Rα expression after stimulation through CD23 compared with wild-type. Our data suggest that the SNP may favour increased IgE production through increased responsiveness to IL-4 in patients possessing this genotype.
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