MULTIPLE CYTOKINE MESSENGER-RNA EXPRESSION IN HUMAN MAST-CELLS STIMULATED VIA FC-EPSILON-RI

被引:36
作者
OKAYAMA, Y [1 ]
SEMPER, A [1 ]
HOLGATE, ST [1 ]
CHURCH, MK [1 ]
机构
[1] UNIV SOUTHAMPTON,IMMUNOPHARMACOL GRP,SOUTHAMPTON,HANTS,ENGLAND
关键词
HUMAN MAST CELLS; CYTOKINE; FC-EPSILON-RI;
D O I
10.1159/000236963
中图分类号
R392 [医学免疫学];
学科分类号
100102 ;
摘要
Cross-linkage of Fc epsilon RI on human lung mast cells purified by affinity magnetic selection with monoclonal antibody YB5.B8 against c-kit (purity > 90%) expressed mRNA for multiple cytokines. There was no constitutive expression of interleukin (IL)-4 mRNA. Mast cell stimulation with anti-IgE induced IL-4 mRNA expression which appeared maxmal at 2 h and waned slowly over the next 24 h. IL-5, IL-6, IL-8 and tumour necrosis factor (TNF)-alpha mRNA were constitutively expressed. Mast cell activation with anti-IgE led to an increase of IL-5 and TNF-alpha m RNA signals within 2 h and which persisted for at least 24-48 h. On the other hand, IL-S and IL-8 mRNA expression were not affected by anti-IgE challenge.
引用
收藏
页码:158 / 159
页数:2
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