Lipidomic profiling reveals free fatty acid alterations in plasma from patients with atrial fibrillation

Youngae Jung, Youngjin Cho, Nami Kim, Il Young Oh, Sang Won Kang, Eue Keun Choi, Geum Sook Hwang

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Atrial fibrillation (AF) is the most common cardiac arrhythmia, and its incidence is increasing worldwide. One method used to restore sinus rhythm is direct current cardioversion (DCCV). Despite the high success rate of DCCV, AF typically recurs within the first 2 weeks. However, our understanding of the pathophysiology of AF recurrence, incidence, and progression are highly limited. Lipidomic profiling was applied to identify altered lipids in plasma from patients with AF using ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry coupled with multivariate statistical analysis. Partial least-squares discriminant analysis revealed a clear separation between AF patients and healthy controls. The levels of several lipid species, including fatty acids and phospholipids, were different between AF patients and healthy controls, indicating that oxidative stress and inflammation are associated with the pathogenesis of AF. Similar patterns were also detected between recurrent and non-recurrent AF patients. These results suggest that the elevated saturated fatty acid and reduced polyunsaturated fatty acid levels in AF patients may be associated with enhanced inflammation and that free fatty acid levels may play a crucial role in the development and progression of AF.

Original languageEnglish
Article numbere0196709
JournalPLoS ONE
Issue number5
StatePublished - May 2018


Dive into the research topics of 'Lipidomic profiling reveals free fatty acid alterations in plasma from patients with atrial fibrillation'. Together they form a unique fingerprint.

Cite this