Regulation of phosphatidylinositol kinases and metabolism by Wnt3a and Dvl

来源 :Wnt信号、器官发育和干细胞国际学术大会(Wnt Signaling,Organogenesis,and Stem Ce | 被引量 : 0次 | 上传用户:huazhongtan
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  Wnt signaling plays important roles in various physiological and pathophysiological processes.The pathway that leads to β-catenin stabilization is initiated by Wnt binding to its cell surface receptors, which induces the formation of phosphatidylinositol 4,5-bisphosphate [PtdIns(4,5)P2]via activation of phosphatidylinositol 4-phosphate 5-kinase (PIP5K) type I.Here, we show that Wnt also stimulated the production of phosphatidylinositol 4-phosphate [PtdIns(4)P], which depended on Frizzled (Fz), Disheveled (Dvl) and phosphatidylinositol 4-kinase (PI4K) type IIα.
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