Novel strategies to address the challenges in top-down proteomics

JA Melby, DS Roberts, EJ Larson… - Journal of the …, 2021 - ACS Publications
Top-down mass spectrometry (MS)-based proteomics is a powerful technology for
comprehensively characterizing proteoforms to decipher post-translational modifications …

Mass spectrometry using electrospray ionization

GRD Prabhu, ER Williams, M Wilm… - Nature Reviews Methods …, 2023 - nature.com
Applying a high voltage to a liquid passing through a capillary disintegrates the liquid
meniscus to generate a fine spray of charged droplets. As the droplets evaporate, polar …

High sensitivity top–down proteomics captures single muscle cell heterogeneity in large proteoforms

JA Melby, KA Brown, ZR Gregorich… - Proceedings of the …, 2023 - National Acad Sciences
Single-cell proteomics has emerged as a powerful method to characterize cellular
phenotypic heterogeneity and the cell-specific functional networks underlying biological …

Higher-order structural characterisation of native proteins and complexes by top-down mass spectrometry

M Zhou, C Lantz, KA Brown, Y Ge, L Paša-Tolić… - Chemical …, 2020 - pubs.rsc.org
In biology, it can be argued that if the genome contains the script for a cell's life cycle, then
the proteome constitutes an ensemble cast of actors that brings these instructions to life …

Common transthyretin-derived amyloid fibril structures in patients with hereditary ATTR amyloidosis

M Steinebrei, J Baur, A Pradhan, N Kupfer… - Nature …, 2023 - nature.com
Systemic ATTR amyloidosis is an increasingly important protein misfolding disease that is
provoked by the formation of amyloid fibrils from transthyretin protein. The pathological and …

Top-down proteomics: challenges, innovations, and applications in basic and clinical research

KA Brown, JA Melby, DS Roberts… - Expert review of proteomics, 2020 - Taylor & Francis
Introduction-A better understanding of the underlying molecular mechanism of diseases is
critical for developing more effective diagnostic tools and therapeutics toward precision …

Top-down proteomics and the challenges of true proteoform characterization

A Po, CE Eyers - Journal of proteome research, 2023 - ACS Publications
Top-down proteomics (TDP) aims to identify and profile intact protein forms (proteoforms)
extracted from biological samples. True proteoform characterization requires that both the …

Role of mutations and post-translational modifications in systemic AL amyloidosis studied by cryo-EM

L Radamaker, S Karimi-Farsijani, G Andreotti… - Nature …, 2021 - nature.com
Systemic AL amyloidosis is a rare disease that is caused by the misfolding of
immunoglobulin light chains (LCs). Potential drivers of amyloid formation in this disease are …

Approaches to heterogeneity in native mass spectrometry

AD Rolland, JS Prell - Chemical reviews, 2021 - ACS Publications
Native mass spectrometry (MS) is aimed at preserving and determining the native structure,
composition, and stoichiometry of biomolecules and their complexes from solution after they …

Defining the sarcomeric proteoform landscape in ischemic cardiomyopathy by top-down proteomics

EA Chapman, TJ Aballo, JA Melby, T Zhou… - Journal of proteome …, 2023 - ACS Publications
Ischemic cardiomyopathy (ICM) is a prominent form of heart failure, but the molecular
mechanisms underlying ICM remain relatively understudied due to marked phenotypic …