Whole-cell abundance profiling and interaction analysis of UBQLN2 Version 1
External LinkTo address whether expression of ALS/FTD-associated UBQLN2 mutant variants changes the cellular proteome, we performed label-free quantification-based global protein abundance profiling of patient-derived LCLs and CRISPR engineered HeLa cells. UBQLN2 mutant in both cell lines carried the mutation T487I or P497S both of which were reported to cause ALS (Deng et al., 2011; Williams et al, 2012). In addition, HeLa cells stably expressing HA-tagged MAP1B (HA-MAP1B) were subjected to HA immunoprecipitation (IP) followed by mass spectrometry to identify MAP1B interacting proteins.
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Created: 9th Jul 2024 at 13:17
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Version 1 (earliest) Created 9th Jul 2024 at 13:17 by Rainer Malik
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Projects: SyNergy - published datasets
Institutions: DZNE
Projects: SyNergy - published datasets
Institutions: Klinikum der Universität München
Public web page: Not specified
Submitter: Rainer Malik
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In the project “Phosphoproteomic analysis of UBQLN2 mutant cells” by Laura Strohm, Zehan Hu, Jörn Dengjel, and Christian Behrends eight sets of SILAC experiments were performed, two times four biological replicates, comparing proteome and phosphoproteome of control and UBQLN2 mutant, patient-derived lymphoblasts (LCLs).
LCL cells were cultured in lysine- and arginine-free DMEM (GIBCO) supplemented with 2 mM glutamine, 10% dialyzed FBS and antibiotics as well as with 146 mg/ml light (K0, Sigma) or heavy lysine (K8, Cambridge Isotope Laboratories) and 84 mg/ml light (R0, Sigma) or heavy (R10, CambridgeIsotope Laboratories) arginine, respectively. Cell pellets were lysed in 8 M Urea in 50 mM Tris-HCl pH 8.0. Protein concentrations were determined by a BCA assay and protein amounts were adjusted to equal concentrations. ...
Submitter: Rainer Malik
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: Proteomics
Study: UBQLN2/ALS
Abstract (Expand)
Authors: L. Strohm, Z. Hu, Y. Suk, A. Ruhmkorf, E. Sternburg, V. Gattringer, H. Riemenschneider, R. Berutti, E. Graf, J. H. Weishaupt, M. S. Brill, A. B. Harbauer, D. Dormann, J. Dengjel, D. Edbauer, C. Behrends
Date Published: 1st Jul 2022
Publication Type: Journal
