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Signaling through ERBB receptors: Multiple layers of diversity and control

机译:通过ERBB受体发出信号:多层多样性和控制力

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The four known ERBB receptors in humans are involved in a broad range of cellular responses, and their deregulation is a significant aspect in a large number of disease states. However, their mechanism of action and modes of control are still poorly understood. This is largely due to the fact that the control of ER-BB activity is a multilayered process with significant differences between the various ERBB members. In contrast to other receptor tyrosine kinases, the kinase domain of EGFR (ERBB I) does not require phosphorylation for activation. Consequently, the overall activation state of the receptor is controlled by constant balancing of activity favoring and activity suppressing actions within the receptor molecule. Influences of the membrane microenvironment and context dependent interactions with varying sets of signaling partners are superimposed on this system of intramolecular checks and balances. We will discuss Current models of the control of ERBB signaling with all emphasis on the multilayered nature of activation control and aspects that give rise to diversity between ERBB receptors. (c) 2006 Elsevier Inc. All rights reserved.
机译:人类中四种已知的ERBB受体参与广泛的细胞反应,在许多疾病中,它们的失调是重要的方面。但是,它们的作用机理和控制方式仍知之甚少。这主要是由于对ER-BB活性的控制是一个多层过程,各个ERBB成员之间存在显着差异。与其他受体酪氨酸激酶相反,EGFR(ERBB I)的激酶结构域不需要磷酸化即可激活。因此,受体的总体活化状态通过受体分子内的活性促进作用和活性抑制作用的恒定平衡来控制。膜微环境的影响和与上下文相关的相互作用以及各种信号配偶体的相互作用都叠加在该分子内检查和平衡系统上。我们将讨论当前的ERBB信号控制模型,重点是激活控制的多层性质以及引起ERBB受体之间多样性的方面。 (c)2006 Elsevier Inc.保留所有权利。

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