Please use this identifier to cite or link to this item: http://ahro.austin.org.au/austinjspui/handle/1/18727
Title: Synthesis of an inositol hexakisphosphate (IP6) affinity probe to study the interactome from a colon cancer cell line.
Authors: Yin, Meng-Xin;Catimel, Bruno;Gregory, Mark;Condron, Melanie;Kapp, Eugene;Holmes, Andrew B;Burgess, Antony W
Affiliation: School of Chemistry, Bio21 Institute, The University of Melbourne, Parkville, Victoria, Australia
Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Olivia Newton John Cancer Wellness and Research Centre, Austin Health, Heidelberg, Victoria, Australia
Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
Australia and Department of Surgery, RMH, University of Melbourne, Parkville, Victoria, Australia
Issue Date: 14-Mar-2016
Citation: Integrative biology 2016; 8(3): 309-18
Abstract: Inositol hexakisphosphate (InsP6 or IP6) is an important signalling molecule in vesicular trafficking, neurotransmission, immune responses, regulation of protein kinases and phosphatases, activation of ion channels, antioxidant functions and anticancer activities. An IP6 probe was synthesised from myo-inositol via a derivatised analogue, which was immobilised through a terminal amino group onto Dynabeads. Systematic analysis of the IP6 interactome has been performed using the IP6 affinity probe using cytosolic extracts from the LIM1215 colonic carcinoma cell line. LC/MS/MS analysis identified 77 proteins or protein complexes that bind to IP6 specifically, including AP-2 complex proteins and β-arrestins as well as a number of novel potential IP6 interacting proteins. Bioinformatic enrichment analysis of the IP6 interactome reinforced the concept that IP6 regulates a number of biological processes including cell cycle and division, signal transduction, intracellular protein transport, vesicle-mediated transport and RNA splicing.
URI: http://ahro.austin.org.au/austinjspui/handle/1/18727
DOI: 10.1039/c5ib00264h
PubMed URL: 26840369
Type: Journal Article
Research Support, Non-U.S. Gov't
Appears in Collections:Journal articles

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