New ProteomeXchange dataset PXD061704

[ProteomeCentral Agent]

Dear ProteomeXchange subscriber, a new ProteomeXchange dataset is being announced. To see more information, click here:

https://proteomecentral.proteomexchange.org/dataset/PXD061704

Summary of dataset

Status: new
Identifier: PXD061704
HostingRepository: PRIDE
Species: Homo sapiens
Title: Toward standardized epitranscriptome analytics: An inter-laboratory comparison of mass spectrometric detection and quantification of modified ribonucleosides in human RNA
Submitter: Chi Kong Chan
LabHead: Peter C Dedon
Description: The human RNome comprises all forms of RNA and the 50+ chemical structures – the epitranscriptome – that modify them. Understanding the diverse functions of RNA modifications in regulating gene expression and cell phenotype requires technologies such as RNA sequencing-based modification mapping and mass spectrometry-based quantification of modified ribonucleosides. Liquid chromatography-coupled tandem quadrupole mass spectrometry (LC-MS/MS) is the gold standard for detecting and quantifying all modified ribonucleosides in a sample with accuracy and precision. However, variations in RNA isolation, processing, and LC-MS/MS analysis have hindered reproducibility across laboratories, which is essential for accurate quantification of RNA modifications. Here we report a multi-laboratory effort to optimize and standardize the workflow for LC-MS/MS RNA modification analysis. We compared protocols for sample shipment, RNA digestion, LC-MS/MS analysis, and data processing amon
g three laboratories working with the same total RNA samples.

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