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Identifying the association between interleukin-6 and lichen planus: A meta-analysis
Meng Yin1, Guifeng Li2, Hui Song1
1School of Dentistry, Shandong University, Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong 250014, P.R. China.
Biomedical Reports
|May 23, 2017
Summary
Interleukin-6 (IL-6) may play a role in oral lichen planus (OLP) pathogenesis, particularly in Asian populations. This meta-analysis found elevated IL-6 levels in OLP patients, suggesting a potential link requiring further investigation.
Area of Science:
- Immunology
- Dermatology
- Oral Medicine
Background:
- Lichen planus (LP) and oral lichen planus (OLP) are inflammatory conditions with complex pathogenesis.
- Interleukin-6 (IL-6) is a pro-inflammatory cytokine implicated in various diseases.
- Previous studies suggest a link between IL-6 and LP/OLP, but a systematic analysis is lacking.
Purpose of the Study:
- To systematically evaluate the association between interleukin-6 (IL-6) levels and the pathogenesis of lichen planus (LP) / oral lichen planus (OLP).
- To perform a meta-analysis of existing case-control studies to precisely assess this association.
Main Methods:
- A meta-analysis was conducted on case-control studies published up to December 2015.
- Studies were identified from PubMed, Embase, and China National Knowledge Infrastructure databases.
- Pooled mean differences (MDs) with 95% confidence intervals (CIs) were calculated for IL-6 expression.
Main Results:
- Eight studies were included, involving 299 LP/OLP cases and 231 controls.
- A significant pooled mean difference for IL-6 was observed (MD = 16.24, 95% CI: 9.84-22.64).
- Subgroup analysis revealed significantly increased IL-6 expression in Asian LP/OLP patients but not in Caucasian patients.
Conclusions:
- Interleukin-6 (IL-6) may be significantly involved in the pathogenesis of lichen planus (LP).
- The association appears stronger in Asian populations compared to Caucasian populations.
- Further research is warranted to validate the role of IL-6 in LP pathogenesis.
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