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Phosphatidylinositol 4-kinase type 2 alpha
PI4KII, phosphatidylinositol 4-kinase IIalpha, Phosphatidylinositol 4-kinase type II, phosphatidylinositol 4-kinase type IIalpha
Phosphatidylinositolpolyphosphates (PtdInsPs) are centrally involved in many biologic processes, ranging from cell growth and organization of the actin cytoskeleton to endo- and exocytosis. PI4KII phosphorylates PtdIns at the D-4 position, an essential step in the biosynthesis of PtdInsPs (Barylko et al., 2001 [PubMed 11244087]).[supplied by OMIM, Mar 2008] (from
Waugh, London, United Kingdom. In Mol Neurobiol, Jan 2016
Structural rearrangements of chromosome 10 are frequently observed in glioblastoma multiforme and over 80 % of tumour samples archived in the catalogue of somatic mutations in cancer database had gene copy number loss for PI4K2A which encodes phosphatidylinositol 4-kinase type IIalpha.
Waugh et al., London, United Kingdom. In J Lipid Res, 2010
Type II phosphatidylinositol 4-kinase IIalpha (PI4KIIalpha) is the dominant phosphatidylinositol kinase activity measured in mammalian cells and has important functions in intracellular vesicular trafficking.
Scidmore et al., Ithaca, United States. In Infect Immun, 2010
Furthermore, two additional host proteins, Arf1, which together with PI4P mediates the recruitment of PI4P-binding proteins to the Golgi complex, and PI4KII alpha, a major producer of Golgi complex-localized PI4P, also localize to chlamydial inclusions.
Wu et al., New Haven, United States. In Science, 2008
By screening a human kinase small interfering RNA library, we identified phosphatidylinositol 4-kinase type II alpha and phosphatidylinositol-4-phosphate 5-kinase type I (PIP5KI) as required for Wnt3a-induced LRP6 phosphorylation at Ser1490 in mammalian cells and confirmed that these kinases are important for Wnt signaling in Xenopus embryos.
Carloni et al., Florence, Italy. In Gastroenterology, 2008
METHODS: In the present study using both loss- and gain-of-gene function approaches, we verified that the functional interaction of tetraspanin CD81 with type II phosphoinositide 4-kinase (PI4KII) suppressed HCC cell motility by promoting the formation of CD81-enriched vesicles, non-endosomal intracellular structures, that sequestered actinin-4 with consequent remodeling of actin cytoskeleton.
Falkenburg et al., Leiden, Netherlands. In Proc Natl Acad Sci U S A, 2008
In this study, we used a recombinant bacteria cDNA library for the identification of the first autosomal HLA class II (HLA-DQB1*0603)-restricted mHag LB-PI4K2B-1S encoded by the broadly expressed phosphatidylinositol 4-kinase type II beta gene.
Inagaki et al., Moriguchi, Japan. In Neurosci Lett, 2007
We previously reported that the neurotoxicity of pathophysiological concentrations of amyloid beta proteins (Abetas, 0.1-10nM) as assessed by the inhibition of type II phosphatidylinositol 4-kinase (PI4KII) activity and the enhancement of glutamate toxicity was blocked by a short fragment of Abeta, Abeta(31-35).