MassIVE MSV000096379

Partial Public PXD057757

diaPASEF-Powered Chemoproteomics Enables Deep Kinome Interaction Profiling

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Description

Protein-protein interactions (PPIs) underlie most biological functions. Devastating human conditions like cancers, neurological disorders, and infections, hijack PPI networks to initiate disease, and to drive disease progression. Understanding precisely how diseases remodel PPI networks can, therefore, help clarifying disease mechanisms and identifying therapeutic targets. Protein kinases control most cellular processes through protein phosphorylation. The 518 human kinases, known as the kinome, are frequently dysregulated in disease and highly druggable with ATP-competitive inhibitors. Kinase activity, localization, and substrate recognition are regulated by dynamic PPI networks composed of scaffolding and adapters proteins, other signaling enzymes like small GTPases and E3 ligases, and phospho-substrates. Accordingly, mapping kinase PPI networks can help determining kinome activation states, and, in turn, cellular activation states; this information can be used for studying kinase-mediated cell signaling, and for prioritizing kinases for drug discovery. Previously, we have developed a high-throughput method for kinome PPI mapping based on mass spectrometry (MS)-based chemoproteomics that we named kinobead competition and correlation analysis (kiCCA). Here, we introduce 2nd generation (gen) kiCCA which utilizes data independent acquisition (DIA) with parallel accumulation serial fragmentation (PASEF) MS and a re-designed CCA algorithm with improved selection criteria and the ability to predict multiple kinase interaction partners of the same proteins. Using neuroblastoma cell line models of the noradrenergic-mesenchymal transition (NMT), we demonstrate that 2nd gen kiCCA (1) identified 6.1-times more kinase PPIs in native cell extracts compared to our 1st gen approach, (2) determined kinase-mediated signaling pathways that underly the neuroblastoma NMT, and (3) accurately predicted pharmacological targets for manipulating NMT states. Our 2nd gen kiCCA method is broadly useful for cell signaling research and kinase drug discovery. [doi:10.25345/C5C824S3V] [dataset license: CC0 1.0 Universal (CC0 1.0)]

Keywords: protein kinase ; protein-protein interaction ; chemoproteomics ; kinase inhibitor ; anaplastic lymphoma kinase ; neuroblastoma ; plasticity ; noradrenergic-mesenchymal transition ; DatasetType:Proteomics

Contact

Principal Investigators:
(in alphabetical order) 		Martin Golkowski, University of Utah, USA
Submitting User: golkom
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