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Expression of interleukin-17 is correlated with interferon-α expression in cutaneous lesions of lupus erythematosus

 S. H. Oh  ;  H. J. Roh  ;  B. J. Lim  ;  H. J. Choi  ;  J. Y. Kim  ;  S. H. Lee  ;  J. E. Kwon 
 Clinical and Experimental Dermatology, Vol.36(5) : 512-520, 2011 
Journal Title
 Clinical and Experimental Dermatology 
Issue Date
BACKGROUND: Type I interferon (IFN) has been reported to have an important role in the development of cutaneous lupus erythematosus (CLE) and systemic lupus erythematosus (SLE). A new subset of CD4+ T cells, T helper (Th)17 cells, also plays a role in the development of autoimmunity. AIM: To investigate expression of interleukin (IL)-17 and IFN-α in different CLE subsets, and their associations with the pathogenesis of LE. METHODS: Skin tissue samples from 33 cases, including chronic discoid LE (n = 24), acute (A)CLE (n = 4), subacute CLE (n = 1) and lupus panniculitis (n = 4) were collected for immunohistochemistry. Expression of IL-6, IL-17A, IFN-α, IFN-γ, myxovirus protein (Mx)A and transforming growth factor (TGF)-β was assessed in these samples. RESULTS: All LE specimens had staining for IL-6 and TGF-β in the infiltrated inflammatory cells. IL-17A staining was seen in 84.8% of specimens, and IFN-α or MxA was seen in 93.9%. TGF-β expression in ACLE was significantly greater than that in both chronic cutaneous (CC)LE and in lupus panniculitis (P = 0.02 for both). Expression of IL-17A was positively associated with expression of IFN-α and MxA (Spearman's ρ = 0.56 and 0.39, respectively). In addition, the Cutaneous Lupus Erythematosus Disease Area and Severity Index (CLASI) correlated positively with expression of IFN-α and MxA (ρ = 0.40 for both), whereas there was no correlation with IL-17A expression. CONCLUSIONS: Two major cytokines, IL-17A and IFN-α, may play roles in the pathogenesis of CLE. Their patterns of expression positively correlated with each other.
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Dermatology (피부과학교실)
Yonsei Authors
권지은(Kwon, Ji Eun) ; 노효진(Roh, Hyo Jin) ; 오상호(Oh, Sang Ho) ; 임범진(Lim, Beom Jin)
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