Screening for EphB signaling effectors using SILAC with a linear ion trap-orbitrap mass spectrometer.

Screening for EphB signaling effectors using SILAC with a linear ion trap-orbitrap mass spectrometer.
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DOI:
10.1021/pr800255a
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发表时间:
2008-11
影响因子:
4.4
通讯作者:
Neubert, Thomas A.
Neubert, Thomas A.
中科院分区:
生物学2区
文献类型:
--
作者:
Zhang, Guoan;Fenyoe, David;Neubert, Thomas A.

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Eph受体在发育、神经可塑性和癌症中发挥重要作用。我们使用Orbitrap质谱仪和稳定同位素标记的氨基酸在细胞培养(SILAC)鉴定和定量204蛋白丰度显著改变抗磷酸化酪氨酸免疫沉淀后,ephrinB1-Fc刺激。在这项研究中发现了超过一半的EphB受体下游已知效应物,以及许多EphB信号传导的新候选物。
Eph receptors play important roles in development, neural plasticity and cancer. We used an Orbitrap mass spectrometer and Stable Isotope Labeling by Amino Acids in Cell Culture (SILAC) to identify and quantify 204 proteins with significantly changed abundance in anti-phosphotyrosine immunoprecipitates after ephrinB1-Fc stimulation. More than half of all known effectors downstream of EphB receptors were identified in this study, as well as numerous novel candidates for EphB signaling.
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