Proteomics

Dataset Information

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Effects of Canavanine on Human Glioblastoma Cells under Arginine Deprivation


ABSTRACT: We investigated the effect of canavanine (toxic Arg analogue) treatment on U251MG and U87MG cell lines using a variety of methods including proteomics. Since 3rd isotope of unmodified peptide cannot be resolved from canavanine containing peptide even at extremely high resolutions of 480K we incorporated R13C615N4 into peptides to avoid MS1 overlap of Arg signals.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Brain

DISEASE(S): Brain Cancer

SUBMITTER: Pavel Shliaha  

LAB HEAD: Ole N Jensen

PROVIDER: PXD019044 | Pride | 2020-10-19

REPOSITORIES: Pride

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Publications

Combinatory Treatment of Canavanine and Arginine Deprivation Efficiently Targets Human Glioblastoma Cells via Pleiotropic Mechanisms.

Karatsai Olena O   Shliaha Pavel P   Jensen Ole N ON   Stasyk Oleh O   Rędowicz Maria Jolanta MJ  

Cells 20200930 10


Glioblastomas are the most frequent and aggressive form of primary brain tumors with no efficient cure. However, they often exhibit specific metabolic shifts that include deficiency in the biosynthesis of and dependence on certain exogenous amino acids. Here, we evaluated, in vitro, a novel combinatory antiglioblastoma approach based on arginine deprivation and canavanine, an arginine analogue of plant origin, using two human glioblastoma cell models, U251MG and U87MG. The combinatory treatment  ...[more]

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