Blood pro-resolving mediators are linked with synovial pathology and are predictive of DMARD responsiveness in rheumatoid arthritis.

Abstract:

:Biomarkers are needed for predicting the effectiveness of disease modifying antirheumatic drugs (DMARDs). Here, using functional lipid mediator profiling and deeply phenotyped patients with early rheumatoid arthritis (RA), we observe that peripheral blood  specialized pro-resolving mediator (SPM) concentrations are linked with both DMARD responsiveness and disease pathotype. Machine learning analysis demonstrates that baseline plasma concentrations of resolvin D4, 10S, 17S-dihydroxy-docosapentaenoic acid, 15R-Lipoxin (LX)A4 and n-3 docosapentaenoic-derived Maresin 1 are predictive of DMARD responsiveness at 6 months. Assessment of circulating SPM concentrations 6-months after treatment initiation establishes that differences between responders and non-responders are maintained, with a decrease in SPM concentrations in patients resistant to DMARD therapy. These findings elucidate the potential utility of  plasma SPM concentrations as biomarkers of DMARD responsiveness in RA.

journal_name

Nat Commun

journal_title

Nature communications

authors

Gomez EA,Colas RA,Souza PR,Hands R,Lewis MJ,Bessant C,Pitzalis C,Dalli J

doi

10.1038/s41467-020-19176-z

subject

Has Abstract

pub_date

2020-10-27 00:00:00

pages

5420

issue

1

issn

2041-1723

pii

10.1038/s41467-020-19176-z

journal_volume

11

pub_type

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