Mechanisms of mast cell signaling in anaphylaxis.

Mechanisms of mast cell signaling in anaphylaxis.
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DOI:
10.1016/j.jaci.2009.08.035
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发表时间:
2009-10
影响因子:
14.2
通讯作者:
Gilfillan, Alasdair M.
Gilfillan, Alasdair M.
中科院分区:
医学1区
文献类型:
--
作者:
Metcalfe, Dean D.;Peavy, Richard D.;Gilfillan, Alasdair M.

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最近发展的一个共识的定义和建议的诊断标准,过敏反应提供了承诺的研究工作和更好地了解这种神秘的和危及生命的疾病的流行病学和发病机制。本文综述了肥大细胞信号转导机制的基本原理和最新研究进展。肥大细胞信号传导的展开复杂性表明,该系统是敏感的几个单独的信号通路和中间体的任何调节和互补的途径调节肥大细胞激活放大的信号。过敏性反应的信号事件主要是通过转基因小鼠的实验确定的,并得到了这些小鼠肥大细胞的生化研究的支持。这些研究表明,信号通路存在上调和下调肥大细胞反应。因此,在这篇综述中,我们将描述在过敏反应的背景下,这些途径中的关键分子球员。
The recent development of a consensus definition and proposed diagnostic criteria for anaphylaxis offers promise for research efforts and a better understanding of the epidemiology and pathogenesis of this enigmatic and life-threatening disease. This review examines basic principles and recent research advances in the mechanisms of mast cell signaling believed to underlie anaphylaxis. The unfolding complexity of mast cell signaling suggests that the system is sensitive to regulation by any of several individual signaling pathways and intermediates and that complementary pathways regulate mast cell activation by amplified signals. The signaling events underlying anaphylactic reactions have largely been identified through experiments in genetically modified mice and supported by biochemical studies of mast cells derived from these mice. These studies have revealed that signaling pathways exist to both upregulate and downregulate mast cell responses. In this review we will thus describe the key molecular players in these pathways in the context of anaphylaxis.
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