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首页> 外文期刊>Current Biology: CB >Fyn tyrosine kinase is a critical regulator of disabled-1 during brain development
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Fyn tyrosine kinase is a critical regulator of disabled-1 during brain development

机译:Fyn酪氨酸激酶是大脑发育过程中disabled-1的关键调节剂

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Background: Disabled-1 (Dab1) is an intracellular adaptor protein that regulates migrations of various classes of neurons during mammalian brain development. Dab1 function depends on its tyrosine phosphorylation, which is stimulated by Reelin, an extracellular signaling molecule. Reelin increases the stoichiometry of Dab1 phosphorylation and downregulates Dab1 protein levels. Reelin binds to various cell surface receptors, including two members of the low-density lipoprotein receptor family that also bind to Dab1. Mutations in Dab1, its phosphorylation sites, Reelin, or the Reelin receptors cause a common phenotype. However, the molecular mechanism whereby Reelin regulates Dab1 tyrosine phosphorylation is poorly understood.
机译:背景:Disabled-1(Dab1)是一种细胞内衔接蛋白,可调节哺乳动物大脑发育过程中各种神经元的迁移。 Dab1的功能取决于其酪氨酸磷酸化,而酪氨酸磷酸化受到细胞外信号分子Reelin的刺激。 Reelin增加Dab1磷酸化的化学计量,并下调Dab1蛋白质水平。 Reelin与各种细胞表面受体结合,包括低密度脂蛋白受体家族的两个成员,它们也与Dab1结合。 Dab1的突变,其磷酸化位点,Reelin或Reelin受体引起常见的表型。然而,Reelin调节Dab1酪氨酸磷酸化的分子机制了解甚少。

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