Stock, CJW;
De Lauretis, A;
Visca, D;
Daccord, C;
Kokosi, M;
Kouranos, V;
Margaritopoulos, G;
... Renzoni, EA; + view all
(2020)
Defining genetic risk factors for scleroderma-associated interstitial lung disease.
Clinical Rheumatology
10.1007/s10067-019-04922-6.
(In press).
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Abstract
Although several genetic associations with scleroderma (SSc) are defined, very little is known on genetic susceptibility to SSc-associated interstitial lung disease (SSc-ILD). A number of common polymorphisms have been associated with SSc-ILD, but most have not been replicated in separate populations. Four SNPs in IRF5, and one in each of STAT4, CD226 and IRAK1, selected as having been previously the most consistently associated with SSc-ILD, were genotyped in 612 SSc patients, of European descent, of whom 394 had ILD. The control population (n = 503) comprised individuals of European descent from the 1000 Genomes Project. After Bonferroni correction, two of the IRF5 SNPs, rs2004640 (OR (95% CI)1.30 (1.10–1.54), p^{corr} = 0.015) and rs10488631 (OR 1.48 (1.14–1.92), p^{corr} = 0.022), and the STAT4 SNP rs7574865 (OR 1.43 (1.18–1.73), p^{corr} = 0.0015) were significantly associated with SSc compared with controls. However, none of the SNPs were significantly different between patients with SSc-ILD and controls. Two SNPs in IRF5, rs10488631 (OR 1.72 (1.24–2.39), p^{corr} = 0.0098), and rs2004640 (OR 1.39 (1.11–1.75), p^{corr} = 0.03), showed a significant difference in allele frequency between controls and patients without ILD, as did STAT4 rs7574865 (OR 1.86 (1.45–2.38), p^{corr} = 6.6 × 10^{-6}). A significant difference between SSc with and without ILD was only observed for STAT4 rs7574865, being less frequent in patients with ILD (OR 0.66 (0.51–0.85), p^{corr} = 0.0084). In conclusion, IRF5 rs2004640 and rs10488631, and STAT4 rs7574865 were significantly associated with SSc as a whole. Only STAT4 rs7574865 showed a significant difference in allele frequency in SSc-ILD, with the T allele being protective against ILD.
| Type: | Article |
|---|---|
| Title: | Defining genetic risk factors for scleroderma-associated interstitial lung disease |
| Location: | Germany |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/s10067-019-04922-6 |
| Publisher version: | https://doi.org/10.1007/s10067-019-04922-6 |
| Language: | English |
| Additional information: | © 2019 Springer Nature. This article is licensed under a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). |
| Keywords: | CD226, Genetic association, Genetics, IRAK1, IRF5, SSc-ILD, STAT4 |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Inflammation |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10089425 |
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