Molecular mechanisms in lymphocyte activation and growth

被引:16
作者
Ballard, DW [1 ]
机构
[1] Vanderbilt Univ, Sch Med, Dept Microbiol & Immunol, Nashville, TN 37232 USA
关键词
NF-kappa B; lymphocyte; retrovirus; signal transduction; gene expression;
D O I
10.1385/IR:23:2-3:157
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Transcription factor NF-kappaB is biochemically coupled to the T cell antigen receptor (TCR) and activated transiently during an adaptive immune response. The author's laboratory is investigating the signal dependent regulation of NF-kappaB, its downstream gene targets, and its function in lymphocyte biology. Our studies have revealed novel enzymatic checkpoints in the NF-kappaB signaling pathway and constitutive repressors of NF-kappaB that might be clinically applicable for therapeutic control of the immune system. We have also found that the Tax transforming protein encoded by human T cell leukemia virus type I (HTLV1)binds to and persistently activates an inducible protein kinase in the TCR/NF-kappaB axis. This viral/host interaction appears to trigger the inappropriate expression of NF-kappaH and the development of HTLV I-associated disease.
引用
收藏
页码:157 / 166
页数:10
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