Association between interleukin-18 polymorphisms and systemic lupus erythematosus: A meta-analysis

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Abstract

The aim of this study was to determine whether the three functional interleukin-18 (IL-18) promoter -607 C/A (rs1946518), -137 G/C (rs187238), and -1297 C/T (rs360719) polymorphisms confer susceptibility to systemic lupus erythematosus (SLE) in ethnically different populations. Meta-analysis was conducted on the associations between these IL-18 polymorphisms and SLE using; (1) allele contrast, (2) the recessive model, (3) the dominant model, and (4) the additive model. A total of 11 comparisons (nine studies) involving 8,453 subjects (2,928 SLE patients and 5,525 controls) were included in the meta-analysis. In all study subjects, meta-analysis showed no association between SLE and the IL-18 -607 C allele (odds ratio [OR] = 1.065, 95 % confidence interval [CI] = 0.870-1.303, p = 0.541). However, stratification by ethnicity indicated a significant association between this allele and SLE in Europeans (OR = 0.864, 95 % CI = 0.757-0.986, p = 0.031), but not in Asians (OR = 1.230, 95 % CI = 0.902-1.676, p = 0.190). Meta-analyses showed the same pattern for the IL-18 -607 C allele using the dominant and additive models. Meta-analysis of the IL-18 -137 G/C polymorphism showed no association between SLE and the IL-18 -137 G allele in all study subjects (OR = 0.916, 95 % CI = 0.836-1.003, p = 0.057), but stratification by ethnicity indicated a significant association between this allele and SLE in Asians (OR = 0.792, 95 % CI = 0.629-0.997, p = 0.047), but not in Europeans (OR = 0.930, 95 % CI = 0.839-1.032, p = 0.171). Furthermore, meta-analysis showed that the IL-18 -1297 C allele was significantly associated with SLE in all study subjects and in Europeans (OR = 1.240, 95 % CI = 1.052-1.482, p = 0.010 and OR = 1.303, 95 % CI = 1.050-1.617, p = 0.016). This meta-analysis shows that the IL-18 -607 C/A and -1297 C/T polymorphism are associated with the development of SLE in Europeans, and the IL-18 -137 G/C polymorphism is associated with SLE in Asians.

Original languageEnglish
Pages (from-to)2581-2587
Number of pages7
JournalMolecular Biology Reports
Volume40
Issue number3
DOIs
Publication statusPublished - 2013 Mar 1

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Interleukin-18
Systemic Lupus Erythematosus
Meta-Analysis
Odds Ratio
Confidence Intervals
Alleles

Keywords

  • Interleukin-18
  • Meta-analysis
  • Polymorphism
  • Systemic lupus erythematosus

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

Cite this

@article{a73857ee71a6492e8a5e89db0548d9ab,
title = "Association between interleukin-18 polymorphisms and systemic lupus erythematosus: A meta-analysis",
abstract = "The aim of this study was to determine whether the three functional interleukin-18 (IL-18) promoter -607 C/A (rs1946518), -137 G/C (rs187238), and -1297 C/T (rs360719) polymorphisms confer susceptibility to systemic lupus erythematosus (SLE) in ethnically different populations. Meta-analysis was conducted on the associations between these IL-18 polymorphisms and SLE using; (1) allele contrast, (2) the recessive model, (3) the dominant model, and (4) the additive model. A total of 11 comparisons (nine studies) involving 8,453 subjects (2,928 SLE patients and 5,525 controls) were included in the meta-analysis. In all study subjects, meta-analysis showed no association between SLE and the IL-18 -607 C allele (odds ratio [OR] = 1.065, 95 {\%} confidence interval [CI] = 0.870-1.303, p = 0.541). However, stratification by ethnicity indicated a significant association between this allele and SLE in Europeans (OR = 0.864, 95 {\%} CI = 0.757-0.986, p = 0.031), but not in Asians (OR = 1.230, 95 {\%} CI = 0.902-1.676, p = 0.190). Meta-analyses showed the same pattern for the IL-18 -607 C allele using the dominant and additive models. Meta-analysis of the IL-18 -137 G/C polymorphism showed no association between SLE and the IL-18 -137 G allele in all study subjects (OR = 0.916, 95 {\%} CI = 0.836-1.003, p = 0.057), but stratification by ethnicity indicated a significant association between this allele and SLE in Asians (OR = 0.792, 95 {\%} CI = 0.629-0.997, p = 0.047), but not in Europeans (OR = 0.930, 95 {\%} CI = 0.839-1.032, p = 0.171). Furthermore, meta-analysis showed that the IL-18 -1297 C allele was significantly associated with SLE in all study subjects and in Europeans (OR = 1.240, 95 {\%} CI = 1.052-1.482, p = 0.010 and OR = 1.303, 95 {\%} CI = 1.050-1.617, p = 0.016). This meta-analysis shows that the IL-18 -607 C/A and -1297 C/T polymorphism are associated with the development of SLE in Europeans, and the IL-18 -137 G/C polymorphism is associated with SLE in Asians.",
keywords = "Interleukin-18, Meta-analysis, Polymorphism, Systemic lupus erythematosus",
author = "Song, {Gwan Gyu} and Sungjae Choi and Ji, {Jong Dae} and Lee, {Young Ho}",
year = "2013",
month = "3",
day = "1",
doi = "10.1007/s11033-012-2344-y",
language = "English",
volume = "40",
pages = "2581--2587",
journal = "Molecular Biology Reports",
issn = "0301-4851",
publisher = "Springer Netherlands",
number = "3",

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TY - JOUR

T1 - Association between interleukin-18 polymorphisms and systemic lupus erythematosus

T2 - A meta-analysis

AU - Song, Gwan Gyu

AU - Choi, Sungjae

AU - Ji, Jong Dae

AU - Lee, Young Ho

PY - 2013/3/1

Y1 - 2013/3/1

N2 - The aim of this study was to determine whether the three functional interleukin-18 (IL-18) promoter -607 C/A (rs1946518), -137 G/C (rs187238), and -1297 C/T (rs360719) polymorphisms confer susceptibility to systemic lupus erythematosus (SLE) in ethnically different populations. Meta-analysis was conducted on the associations between these IL-18 polymorphisms and SLE using; (1) allele contrast, (2) the recessive model, (3) the dominant model, and (4) the additive model. A total of 11 comparisons (nine studies) involving 8,453 subjects (2,928 SLE patients and 5,525 controls) were included in the meta-analysis. In all study subjects, meta-analysis showed no association between SLE and the IL-18 -607 C allele (odds ratio [OR] = 1.065, 95 % confidence interval [CI] = 0.870-1.303, p = 0.541). However, stratification by ethnicity indicated a significant association between this allele and SLE in Europeans (OR = 0.864, 95 % CI = 0.757-0.986, p = 0.031), but not in Asians (OR = 1.230, 95 % CI = 0.902-1.676, p = 0.190). Meta-analyses showed the same pattern for the IL-18 -607 C allele using the dominant and additive models. Meta-analysis of the IL-18 -137 G/C polymorphism showed no association between SLE and the IL-18 -137 G allele in all study subjects (OR = 0.916, 95 % CI = 0.836-1.003, p = 0.057), but stratification by ethnicity indicated a significant association between this allele and SLE in Asians (OR = 0.792, 95 % CI = 0.629-0.997, p = 0.047), but not in Europeans (OR = 0.930, 95 % CI = 0.839-1.032, p = 0.171). Furthermore, meta-analysis showed that the IL-18 -1297 C allele was significantly associated with SLE in all study subjects and in Europeans (OR = 1.240, 95 % CI = 1.052-1.482, p = 0.010 and OR = 1.303, 95 % CI = 1.050-1.617, p = 0.016). This meta-analysis shows that the IL-18 -607 C/A and -1297 C/T polymorphism are associated with the development of SLE in Europeans, and the IL-18 -137 G/C polymorphism is associated with SLE in Asians.

AB - The aim of this study was to determine whether the three functional interleukin-18 (IL-18) promoter -607 C/A (rs1946518), -137 G/C (rs187238), and -1297 C/T (rs360719) polymorphisms confer susceptibility to systemic lupus erythematosus (SLE) in ethnically different populations. Meta-analysis was conducted on the associations between these IL-18 polymorphisms and SLE using; (1) allele contrast, (2) the recessive model, (3) the dominant model, and (4) the additive model. A total of 11 comparisons (nine studies) involving 8,453 subjects (2,928 SLE patients and 5,525 controls) were included in the meta-analysis. In all study subjects, meta-analysis showed no association between SLE and the IL-18 -607 C allele (odds ratio [OR] = 1.065, 95 % confidence interval [CI] = 0.870-1.303, p = 0.541). However, stratification by ethnicity indicated a significant association between this allele and SLE in Europeans (OR = 0.864, 95 % CI = 0.757-0.986, p = 0.031), but not in Asians (OR = 1.230, 95 % CI = 0.902-1.676, p = 0.190). Meta-analyses showed the same pattern for the IL-18 -607 C allele using the dominant and additive models. Meta-analysis of the IL-18 -137 G/C polymorphism showed no association between SLE and the IL-18 -137 G allele in all study subjects (OR = 0.916, 95 % CI = 0.836-1.003, p = 0.057), but stratification by ethnicity indicated a significant association between this allele and SLE in Asians (OR = 0.792, 95 % CI = 0.629-0.997, p = 0.047), but not in Europeans (OR = 0.930, 95 % CI = 0.839-1.032, p = 0.171). Furthermore, meta-analysis showed that the IL-18 -1297 C allele was significantly associated with SLE in all study subjects and in Europeans (OR = 1.240, 95 % CI = 1.052-1.482, p = 0.010 and OR = 1.303, 95 % CI = 1.050-1.617, p = 0.016). This meta-analysis shows that the IL-18 -607 C/A and -1297 C/T polymorphism are associated with the development of SLE in Europeans, and the IL-18 -137 G/C polymorphism is associated with SLE in Asians.

KW - Interleukin-18

KW - Meta-analysis

KW - Polymorphism

KW - Systemic lupus erythematosus

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U2 - 10.1007/s11033-012-2344-y

DO - 10.1007/s11033-012-2344-y

M3 - Article

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VL - 40

SP - 2581

EP - 2587

JO - Molecular Biology Reports

JF - Molecular Biology Reports

SN - 0301-4851

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