Serine and threonine phospho-specific antibodies to p120-catenin.

Serine and threonine phospho-specific antibodies to p120-catenin.
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p120-连环蛋白的丝氨酸和苏氨酸磷酸化特异性抗体。

DOI:
10.1089/hyb.2004.23.343
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发表时间:
2004
期刊:
Hybridoma and hybridomics
影响因子:
--
通讯作者:
Reynolds,AlbertB
Reynolds,AlbertB
中科院分区:
--
文献类型:
--
作者:
Xia,Xiaobo;Brooks,James;Campos-Gonzalez,Roberto;Reynolds,AlbertB

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p120-catenin (p120)调节钙粘蛋白的周转,是钙粘蛋白稳定所必需的。这种作用可能受到诱导p120磷酸化的信号事件的调节,但监测个体磷酸化事件及其后果在技术上具有挑战性。在此之前,我们使用磷酸化-色氨酸肽图谱确定了p120丝氨酸和苏氨酸磷酸化的八个主要位点。在这里,我们产生了新的磷酸化特异性p120单克隆和多克隆抗体,针对含有S268, S288, T310和T910的磷酸化表位。我们描述了这些抗体在常用检测中的能力和局限性,包括免疫沉淀(IP)、免疫印迹(WB)和免疫荧光(IF)。这些抗体将显著加快对单个p120修饰作用的描述,并将在识别调节p120功能的上游信号事件方面特别有用。
p120-catenin (p120) regulates cadherin turnover and is required for cadherin stability. This role is probably regulated by signaling events that induce p120 phosphorylation, but monitoring individual phosphorylation events and their consequences is technically challenging. Previously, we used phospho-tryptic peptide mapping to identify eight major sites of p120 serine and threonine phosphorylation. Here, we have generated new phospho-specific p120 monoclonal and polyclonal antibodies to phospho-epitopes containing S268, S288, T310, and T910. We have characterized the antibodies with respect to their capabilities and limitations in commonly used assays, including immunoprecipitation (IP), Western blotting (WB), and immunofluorescence (IF). The antibodies should markedly accelerate efforts to delineate the roles of individual p120 modifications and will be particularly useful in identifying upstream signaling events that regulate p120 function.
PDGF、CSF-1 和 EGF 诱导 p120(一种 pp60src 转化相关底物)的酪氨酸磷酸化。
DOI: --
发表时间: 1991
期刊: Oncogene
影响因子: 8
作者:
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