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© Research
Publication : Cells

Mass Spectrometry for Neurobiomarker Discovery: The Relevance of Post-Translational Modifications.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Cells - 09 Apr 2022

Azevedo R, Jacquemin C, Villain N, Fenaille F, Lamari F, Becher F,

Link to Pubmed [PMID] – 35455959

Link to DOI – 127910.3390/cells11081279

Cells 2022 Apr; 11(8):

Neurodegenerative diseases are incurable, heterogeneous, and age-dependent disorders that challenge modern medicine. A deeper understanding of the pathogenesis underlying neurodegenerative diseases is necessary to solve the unmet need for new diagnostic biomarkers and disease-modifying therapy and reduce these diseases’ burden. Specifically, post-translational modifications (PTMs) play a significant role in neurodegeneration. Due to its proximity to the brain parenchyma, cerebrospinal fluid (CSF) has long been used as an indirect way to measure changes in the brain. Mass spectrometry (MS) analysis in neurodegenerative diseases focusing on PTMs and in the context of biomarker discovery has improved and opened venues for analyzing more complex matrices such as brain tissue and blood. Notably, phosphorylated tau protein, truncated α-synuclein, APP and TDP-43, and many other modifications were extensively characterized by MS. Great potential is underlying specific pathological PTM-signatures for clinical application. This review focuses on PTM-modified proteins involved in neurodegenerative diseases and highlights the most important and recent breakthroughs in MS-based biomarker discovery.

https://pubmed.ncbi.nlm.nih.gov/35455959