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Title
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Interleukin-17 receptor polymorphism predisposes to primary graft dysfunction after lung transplantation
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Author
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Abstract
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| BACKGROUND: Primary graft dysfunction (POD), with an incidence of 11% to 57%, is a major cause of morbidity and mortality within the first 30 days after lung transplantation (LTx). In this study, we postulate that recipient genetic variants in interleukin-17 and -23 receptor genes (IL-17R and IL-23R, respectively) may predispose LTx recipients to an increased risk for developing PGD. METHODS: Seven genetic variants of IL-17R and IL-23R were successfully genotyped in 431 lung transplant recipients. Our primary end-point was PGD and secondary end-points were time to extubation, intensive care unit (ICU) stay, bronchoalveolar lavage neutrophilia and serum C-reactive protein. RESULTS: The AA genotype of the rs882643 genetic variant of IL-17R was associated with higher PGD grades at 0 hour (adjusted p = 0.042), 12 hours (adjusted p = 0.013) and 48 hours (adjusted p = 0.0092) after LTx. The GO genotype of the rs2241049 genetic variant of IL-17R was associated with higher PGD grades at 48 hours (adjusted p = 0.0067) after LTx. For both genetic variants, no association was found with extubation time, ICU stay, post-operative BAL neutrophilia, serum CRP, chronic lung allograft dysfunction (CLAD) or graft loss. CONCLUSION: Both genetic variants of IL-17R (rs882643 and rs2241049) were associated with PGD. This confirms a genetic predisposition toward PGD and suggests a role of IL-17 in driving neutrophilia in PGD. (C) 2015 International Society for Heart and Lung Transplantation. All rights reserved. |
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Language
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English
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Source (journal)
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Journal of heart and lung transplantation. - St-Louis, Mo.
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Publication
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St-Louis, Mo.
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2015
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ISSN
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1053-2498
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DOI
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10.1016/J.HEALUN.2015.03.009
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Volume/pages
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34
:7
(2015)
, p. 941-949
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ISI
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000356998800010
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Pubmed ID
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25935436
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Full text (Publisher's DOI)
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