Polakis Paul
Department of Molecular Oncology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
Curr Biol. 2002 Jul 23;12(14):R499-R501. doi: 10.1016/s0960-9822(02)00969-7.
Phosphorylation of beta-catenin, a central downstream component of the Wnt pathway, by glycogen synthase kinase 3 is essential for its targeted degradation by the proteosome. New studies show that casein kinase 1 primes beta-catenin for subsequent phophorylation by glycogen synthase kinase 3.
糖原合酶激酶3对Wnt信号通路核心下游组分β-连环蛋白的磷酸化作用,对于其通过蛋白酶体进行靶向降解至关重要。新研究表明,酪蛋白激酶1使β-连环蛋白磷酸化,以便随后被糖原合酶激酶3磷酸化。