Targeted liquid chromatography‐tandem mass spectrometry analysis of proteins: Basic principles, applications, and perspectives

A Kulyyassov, M Fresnais, R Longuespée - Proteomics, 2021 - Wiley Online Library
Liquid chromatography coupled to tandem mass spectrometry (LC‐MS/MS) is now the main
analytical method for the identification and quantification of peptides and proteins in …

Proteome-wide profiling and mapping of post translational modifications in human hearts

N Bagwan, HH El Ali, A Lundby - Scientific reports, 2021 - nature.com
Post translational modifications (PTMs) are covalent modifications of proteins that can range
from small chemical modifications to addition of entire proteins. PTMs contribute to …

Does the ubiquitination degradation pathway really reach inside of the chloroplast? A re-evaluation of mass spectrometry-based assignments of ubiquitination

KJ van Wijk, T Leppert, Z Sun… - Journal of proteome …, 2023 - ACS Publications
A recent paper in Science Advances by Sun et al. claims that intra-chloroplast proteins in the
model plant Arabidopsis can be polyubiquitinated and then extracted into the cytosol for …

Concentrated ionic liquids for proteomics: Caveat emptor!

T Goulden, I Bodachivskyi, MP Padula… - International Journal of …, 2023 - Elsevier
The use of concentrated ionic liquids (ILs) in the bioanalytical chemistry of proteins is
sparse; typically, dilute aqueous IL solutions are used. Concentrated ILs have unique …

Maximizing cumulative trypsin activity with calcium at elevated temperature for enhanced bottom-up proteome analysis

JL Nickerson, AA Doucette - Biology, 2022 - mdpi.com
Simple Summary Trypsin is frequently employed to cleave proteins ahead of mass
spectrometry characterization. Traditionally, enzyme digestion involves overnight incubation …

Bcl-2-associated transcription factor 1 Ser290 phosphorylation mediates DNA damage response and regulates radiosensitivity in gastric cancer

J Liu, J Li, Z Sun, Y Duan, F Wang, G Wei… - Journal of Translational …, 2021 - Springer
Background DNA damage response plays critical roles in tumor pathogenesis and
radiotherapy resistance. Protein phosphorylation is a critical mechanism in regulation of …

Methionine Alkylation as an Approach to Quantify Methionine Oxidation Using Mass Spectrometry

M Hoare, R Tan, KA Welle, K Swovick… - Journal of the …, 2024 - ACS Publications
Post-translational oxidation of methionine residues can destabilize proteins or modify their
functions. Although levels of methionine oxidation can provide important information …

Mass Spectrometric Identification of BSA Covalently Captured onto a Chip for Atomic Force Microscopy

AI Gordeeva, AA Valueva, MO Ershova… - International Journal of …, 2023 - mdpi.com
Mass spectrometry (MS) is one of the main techniques for protein identification. Herein, MS
has been employed for the identification of bovine serum albumin (BSA), which was …

Recombinant and synthetic affibodies function comparably for modulating protein release

J Dorogin, MA Benz, CJ Moore, DSW Benoit… - Cellular and Molecular …, 2024 - Springer
Purpose Affibodies are a class of versatile affinity proteins with a wide variety of therapeutic
applications, ranging from contrast agents for imaging to cell-targeting therapeutics. We …

Maximizing Proteome Recovery and Digestion Efficiency for High-Throughput Bottom-up Mass Spectrometry

J Nickerson - 2022 - dalspace.library.dal.ca
With current mass spectrometry and bioinformatics platforms, proteome analysis is at the
forefront of characterizing complex biological systems. Through deep qualitative coverage …