Hao, L., Sayers, I., Cakebread, J.A., Barton, S.J., Beghé, B., Holgate, S.T., Sampson, A.P. and Holloway, J.W. (2006) The cysteinyl-leukotriene type 1 receptor polymorphism 927T/C is associated with atopy severity but not with asthma. Clinical & Experimental Allergy, 36 (6), 735-741. (doi:10.1111/j.1365-2222.2006.02511.x).
Abstract
BACKGROUND: The cysteinyl-leukotriene receptor type 1 (CysLT1) mediates the bronchoconstrictor and pro-inflammatory actions of cysteinyl-leukotrienes (LTC4, LTD4, LTE4) in asthma and is the molecular target of the lukast class of oral anti-leukotriene drugs. We screened the CYSLTR1 gene on chromosome Xq13-21 for coding region polymorphisms, and investigated their associations with allergy and asthma.
METHODS: Solid-phase chemical cleavage was used to screen polymorphisms in the coding region of CYSLTR1. A TaqMan allelic discrimination assay was used to genotype a 927T/C SNP and oligonucleotide ligation assays were used to genotype the previously reported 617T/C and 898G/A SNPs of CYSLTR1 in 341 asthmatic families from the UK. Associations with asthma diagnosis, atopic status, serum-specific IgE and severity of allergy and asthma were examined.
RESULTS: Family-based association tests showed that the 927 T allele was associated with atopy severity, especially in female subjects, but not with asthma diagnosis or severity, atopic status, bronchial hyper-responsiveness to methacholine or forced expiratory volume in 1 s.
CONCLUSION: Mutation screening identified only one polymorphism, 927T/C, in the coding region of the CysLT1 receptor. This polymorphsim is predictive of atopy severity, but not associated with asthma.
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- Faculties (pre 2011 reorg) > Faculty of Medicine Health & Life Sciences (pre 2011 reorg) > Medicine (pre 2011 reorg) > Infection Inflammation & Immunity (pre 2011 reorg)
Faculties (pre 2018 reorg) > Faculty of Medicine (pre 2018 reorg) > Medicine (pre 2011 reorg) > Infection Inflammation & Immunity (pre 2011 reorg) - Faculties (pre 2011 reorg) > Faculty of Medicine Health & Life Sciences (pre 2011 reorg) > Medicine (pre 2011 reorg) > Cancer Sciences (pre 2011 reorg)
Faculties (pre 2018 reorg) > Faculty of Medicine (pre 2018 reorg) > Medicine (pre 2011 reorg) > Cancer Sciences (pre 2011 reorg)
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