Characterizing citrullination by mass spectrometry-based proteomics
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Characterizing citrullination by mass spectrometry-based proteomics. / Rebak, Alexandra Stripp; Hendriks, I. A.; Nielsen, M. L.
In: Philosophical transactions of the Royal Society of London. Series B, Biological sciences, Vol. 378, No. 1890, 20220237, 2023.Research output: Contribution to journal › Review › Research › peer-review
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TY - JOUR
T1 - Characterizing citrullination by mass spectrometry-based proteomics
AU - Rebak, Alexandra Stripp
AU - Hendriks, I. A.
AU - Nielsen, M. L.
PY - 2023
Y1 - 2023
N2 - Citrullination is an important post-translational modification (PTM) of arginine, known to play a role in autoimmune disorders, innate immunity response and maintenance of stem cell potency. However, citrullination remains poorly characterized and not as comprehensively understood compared to other PTMs, such as phosphorylation and ubiquitylation. High-resolution mass spectrometry (MS)-based proteomics offers a valuable approach for studying citrullination in an unbiased manner, allowing confident identification of citrullination modification sites and distinction from deamidation events on asparagine and glutamine. MS efforts have already provided valuable insights into peptidyl arginine deaminase targeting along with site-specific information of citrullination in for example synovial fluids derived from rheumatoid arthritis patients. Still, there is unrealized potential for the wider citrullination field by applying MS-based mass spectrometry approaches for proteome-wide investigations. Here we will outline contemporary methods and current challenges for studying citrullination by MS, and discuss how the development of neoteric citrullination-specific proteomics approaches still may improve our understanding of citrullination networks. This article is part of the Theo Murphy meeting issue 'The virtues and vices of protein citrullination'.
AB - Citrullination is an important post-translational modification (PTM) of arginine, known to play a role in autoimmune disorders, innate immunity response and maintenance of stem cell potency. However, citrullination remains poorly characterized and not as comprehensively understood compared to other PTMs, such as phosphorylation and ubiquitylation. High-resolution mass spectrometry (MS)-based proteomics offers a valuable approach for studying citrullination in an unbiased manner, allowing confident identification of citrullination modification sites and distinction from deamidation events on asparagine and glutamine. MS efforts have already provided valuable insights into peptidyl arginine deaminase targeting along with site-specific information of citrullination in for example synovial fluids derived from rheumatoid arthritis patients. Still, there is unrealized potential for the wider citrullination field by applying MS-based mass spectrometry approaches for proteome-wide investigations. Here we will outline contemporary methods and current challenges for studying citrullination by MS, and discuss how the development of neoteric citrullination-specific proteomics approaches still may improve our understanding of citrullination networks. This article is part of the Theo Murphy meeting issue 'The virtues and vices of protein citrullination'.
KW - citrullination
KW - mass spectrometry
KW - post-translational modifications
KW - proteomics
U2 - 10.1098/rstb.2022.0237
DO - 10.1098/rstb.2022.0237
M3 - Review
C2 - 37778389
AN - SCOPUS:85172984232
VL - 378
JO - Philosophical Transactions of the Royal Society B: Biological Sciences
JF - Philosophical Transactions of the Royal Society B: Biological Sciences
SN - 0962-8436
IS - 1890
M1 - 20220237
ER -
ID: 369926078