Proteomics

Dataset Information

0

Comparative analysis of mRNA degradation and protein degradation in prostate tissues indicates high stability of proteins


ABSTRACT: To benchmark the PIN algorithm that quantifies the extent of protein degradation in samples, we generated a set of “ground truth” samples, in which the levels of proteome degradation were known and independently validated by western blotting. Protein extracts of HeLa Kyoto cells were treated with the low specificity protease Proteinase K at different protease concentrations.

INSTRUMENT(S): TripleTOF 5600

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Permanent Cell Line Cell, Hela Cell

DISEASE(S): Cervical Cancer

SUBMITTER: Wenguang Shao  

LAB HEAD: Ruedi Aebersold

PROVIDER: PXD013622 | Pride | 2019-06-12

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
ConvertTSVToTraML.TraML Other
feature_alignment.tsv Tabular
iprophet.pep.xml Pepxml
library_degradation_E1811131209.prot.xml Xml
xuep_J180828_SW_1.wiff Wiff
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Publications


Deterioration of biomolecules in clinical tissues is an inevitable pre-analytical process, which affects molecular measurements and thus potentially confounds conclusions from cohort analyses. Here, we investigate the degradation of mRNA and protein in 68 pairs of adjacent prostate tissue samples using RNA-Seq and SWATH mass spectrometry, respectively. To objectively quantify the extent of protein degradation, we develop a numerical score, the Proteome Integrity Number (PIN), that faithfully mea  ...[more]

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