The role of phosphorylation in atrial fibrillation: a focus on mass spectrometry approaches

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Sina Safabakhsh1, Pankaj Panwar2, Scott Barichello1

  • 1UBC Division of Cardiology, 211-1033 Davie St, Vancouver, BC V6E 1M7, Canada.

Cardiovascular Research
|March 21, 2021
PubMed

Insights

Atrial fibrillation (AF) is a common heart rhythm disorder. Understanding protein phosphorylation through mass spectrometry may reveal new therapies for AF.

Area of Science:

  • Cardiology
  • Biochemistry
  • Proteomics

Background:

  • Atrial fibrillation (AF) is the most prevalent arrhythmia globally, increasing stroke, heart failure, and mortality risks.
  • The underlying pathophysiology of AF remains incompletely understood, hindering the development of effective treatments.
  • Post-translational protein modifications, particularly phosphorylation, are implicated in AF development.

Purpose of the Study:

  • To review current evidence on the role of protein phosphorylation in AF pathogenesis.
  • To discuss mass spectrometry (MS) techniques for studying protein phosphorylation.
  • To outline future research directions using MS for AF therapy development.

Main Methods:

  • Review of recent scientific literature on protein phosphorylation and AF.
  • Discussion of mass spectrometry-based proteomics techniques.
  • Exploration of MS applications in other medical fields like oncology.

Main Results:

  • Protein phosphorylation is a key cellular process potentially linking AF risk factors to the condition.
  • Mass spectrometry offers a high-resolution method for analyzing protein phosphorylation.
  • MS has broad applications in medical research, including oncology.

Conclusions:

  • Further investigation into protein phosphorylation using MS is crucial for understanding AF pathophysiology.
  • Elucidating the role of phosphorylation in AF may lead to novel therapeutic strategies.
  • MS technology holds promise for advancing AF treatment development.

Keywords:
ArrhythmiaBiochemistryElectrophysiologyPathophysiologyPhosphorylation

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