Src-family and Syk kinases in activating and inhibitory pathways in innate immune cells: signaling cross talk.

Src-family and Syk kinases in activating and inhibitory pathways in innate immune cells: signaling cross talk.
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DOI:
10.1101/cshperspect.a002352
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发表时间:
2011-03-01
影响因子:
7.2
通讯作者:
Lowell CA
Lowell CA
中科院分区:
生物学1区
文献类型:
--
作者:
Lowell CA

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先天免疫细胞对生长因子、免疫复合物、细胞外基质蛋白、细胞因子、病原体、细胞损伤和许多其他刺激的反应受到细胞内信号转导途径的复杂网络的调节。这些途径中的大多数是由先天细胞中存在的 Src 家族或 Syk 酪氨酸激酶启动或调节的。 Src 家族激酶调节最广泛的信号反应,包括调节免疫受体、C 型凝集素、整合素、G 蛋白偶联受体等。 Src 家族激酶还调节其他激酶的活性,特别是 Tec 家族成员以及 FAK 和 Pyk2。 Syk 激酶是启动涉及利用免疫受体酪氨酸激活 (ITAM) 结构域的受体的信号传导所必需的。 Tec 激酶在先天细胞中的 Toll 样受体信号传导中发挥着独特的作用。本章将回顾这些细胞质酪氨酸激酶调节的主要激活和抑制信号通路,阐明通路之间信号串扰的许多例子。
The response of innate immune cells to growth factors, immune complexes, extracellular matrix proteins, cytokines, pathogens, cellular damage and many other stimuli is regulated by a complex net of intracellular signal transduction pathways. The majority of these pathways are either initiated or modulated by Src-family or Syk tyrosine kinases present in innate cells. The Src-family kinases modulate the broadest range of signaling responses, including regulating immunoreceptors, C-type lectins, integrins, G-protein coupled receptors and many others. Src-family kinases also modulate the activity of other kinases, in particular Tec-family members as well as FAK and Pyk2. Syk kinase is required for initiation of signaling involving receptors that utilize immunoreceptor tyrosine activation (ITAM) domains. The Tec kinases play a unique role in Toll-like receptor signaling in innate cells. This chapter will review the major activating and inhibitory signaling pathways regulated by these cytoplasmic tyrosine kinases, illuminating the many examples of signaling crosstalk between pathways.
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