Multiple cytokines induce the tyrosine phosphorylation of Shc and its association with Grb2 in hemopoietic cells.

Multiple cytokines induce the tyrosine phosphorylation of Shc and its association with Grb2 in hemopoietic cells.
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多种细胞因子诱导 Shc 酪氨酸磷酸化及其与造血细胞中 Grb2 的关联。

DOI:
10.1016/s0021-9258(20)80558-4
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发表时间:
1993
期刊:
The Journal of biological chemistry
影响因子:
--
通讯作者:
G. Krystal
G. Krystal
中科院分区:
--
文献类型:
--
作者:
R. Cutler;Ling Liu;J. Damen;G. Krystal

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识别和表征响应于生长因子刺激而变得酪氨酸磷酸化的蛋白质对于进一步理解参与调节细胞增殖和分化的信号转导途径至关重要。在这份报告中,我们证明,白细胞介素-3,促红细胞生成素,和钢因子都诱导酪氨酸磷酸化的SH 2蛋白,p52 shc。这些研究是用各种人类和小鼠细胞系进行的,以证明这是造血细胞中的常见事件。我们还表明,酪氨酸磷酸化后,p52 shc成为与衔接蛋白,Grb 2。该复合物的形成可能直接将造血祖细胞中的酪氨酸磷酸化事件与Ras活化联系起来,并且可能是刺激这些细胞通过G1期进入S期的关键步骤。
The identification and characterization of proteins that become tyrosine-phosphorylated in response to growth factor stimulation is critical to furthering our understanding of the signal transduction pathways involved in regulating cell proliferation and differentiation. In this report we demonstrate that interleukin-3, erythropoietin, and steel factor all induce the tyrosine phosphorylation of the SH2 containing protein, p52shc. These studies were carried out with various human and murine cell lines to document that this is a common event in hemopoietic cells. We also show that upon tyrosine phosphorylation, p52shc becomes associated with the adaptor protein, Grb2. The formation of this complex may directly link tyrosine phosphorylation events to Ras activation in hemopoietic progenitors and may be a critical step in stimulating these cells to transit through G1 into S phase.
Interleukin-3 和粒细胞巨噬细胞集落刺激因子介导胞质 c-raf 的快速磷酸化和激活。
DOI: --
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影响因子: --
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DOI: 10.1126/science.8484124
发表时间: 1993-05-07
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影响因子: 56.9
作者:
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DOI: --
发表时间: 1991-12
期刊: Cancer cells
影响因子: --
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