Differential effects of IL-10 and IL-12 on superantigen-induced expression of the cutaneous lymphocyte-associated antigen (CLA) and the αEβ7 integrin (CD103) by CD8+ T cells

被引:0
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作者
Sigmundsdóttir, H [1 ]
Johnston, A [1 ]
Gudjónsson, JE [1 ]
Valdimarsson, H [1 ]
机构
[1] Landspitali Univ Hosp, Dept Immunol, Reykjavik, Iceland
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暂无
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Interleukin (IL)-10, IL-12 and transforming growth factor (TGF)-beta are important regulators of inflammatory disease at cutaneous and mucosal sites, where CLA and CD103 may be expressed. Streptococcal pyrogenic exotoxin C (SpeC) increased the expression of CD103 by CD8+ but not by CD4+ T cells. While IL-12 augmented the supcrantigen-induced expression of CLA it suppressed CD103 expression. This suppression could be reversed with TGF-beta and a mixture of anti-TGF-beta and IL-12 completely abrogated the expression of CD103. IL-10 decreased CLA expression by T cells, but markedly increased their CD103 expression. It is concluded that the expression of CLA and CD103 is antagonistically regulated by IL-10 and IL-12 and that the balance between these cytokines could influence T cell infiltration into epithelial tissues.
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页码:361 / 365
页数:5
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