Proteomics

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Mass spectrometry-based absolute quantification of 20S proteasome status for controlled ex-vivo expansion of Human Adipose-derived Mesenchymal Stromal/Stem Cells


ABSTRACT: Analysis of 20S proteasome in various tissue, adipose derived stem cells(ADSC) or HeLa cells treated with interferon-gamma. This results are compared with LC-SRM results obtained on the same samples. Global proteomics on ADSC amplified in 5% or 20% O2.

INSTRUMENT(S): LTQ Orbitrap Velos, Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Spleen, Adipose-derived Stem Cell, Heart, Testis, Brain, Liver, Lung, Thymus, Hela Cell, Ovary, Muscle, Colon, Bone Marrow

SUBMITTER: Thomas Menneteau  

LAB HEAD: Odile Schiltz

PROVIDER: PXD011894 | Pride | 2019-02-14

REPOSITORIES: Pride

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Publications

Mass Spectrometry-based Absolute Quantification of 20S Proteasome Status for Controlled <i>Ex-vivo</i> Expansion of Human Adipose-derived Mesenchymal Stromal/Stem Cells.

Menneteau Thomas T   Fabre Bertrand B   Garrigues Luc L   Stella Alexandre A   Zivkovic Dusan D   Roux-Dalvai Florence F   Mouton-Barbosa Emmanuelle E   Beau Mathilde M   Renoud Marie-Laure ML   Amalric François F   Sensébé Luc L   Gonzalez-de-Peredo Anne A   Ader Isabelle I   Burlet-Schiltz Odile O   Bousquet Marie-Pierre MP  

Molecular & cellular proteomics : MCP 20190130 4


The proteasome controls a multitude of cellular processes through protein degradation and has been identified as a therapeutic target in oncology. However, our understanding of its function and the development of specific modulators are hampered by the lack of a straightforward method to determine the overall proteasome status in biological samples. Here, we present a method to determine the absolute quantity and stoichiometry of ubiquitous and tissue-specific human 20S proteasome subtypes based  ...[more]

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