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Παρασκευή 13 Απριλίου 2018

Elevated expression of TSLP and IL-33 in Behçet's disease skin lesions: IL-37 alleviate inflammatory effect of TSLP

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Publication date: July 2018
Source:Clinical Immunology, Volume 192
Author(s): Olfa Kacem, Wajih Kaabachi, Imen Ben Dhifallah, Agnes Hamzaoui, Kamel Hamzaoui
The release of TSLP and IL-33 affect the skin integrity, which unsettled transcription factor regulators. We investigate TSLP and IL-33 in Behçet disease (BD) and we prove the effect of the anti-inflammatory cytokine IL-37 in BD skin lesions on TSLP production. TSLP, IL-33 and GATA-3/T-bet, were measured using PCR in BD skin lesions. We tested the suppressive effect of IL-37 on skin samples stimulated with a cytokine mixture inducing TSLP expression. TSLP and IL-33 were increased in BD patients particularly in patients having skin manifestations and correlate with indexed skin lesions. TSLP expression in BD with skin lesions correlates significantly with the transcription factors GATA3/Tbet ratio. The anti-inflammatory mediator IL-37 acted as a suppressor of TSLP-skin synthesis. The microenvironment in cutaneous lesions of BD patients' skin lesions is dominated by the expression of IL-33 and TSLP along an inflammatory Th2-type current. IL-37 acts as a booster to restore homeostasis.



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