Myeloid-related protein 8/14 in plasma and serum in patients with new-onset juvenile idiopathic arthritis in real-world setting in a single center

Autor: Paula L. Keskitalo, Salla M. Kangas, Sirja Sard, Tytti Pokka, Virpi Glumoff, Petri Kulmala, Paula Vähäsalo
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Pediatric Rheumatology Online Journal, Vol 20, Iss 1, Pp 1-9 (2022)
Druh dokumentu: article
ISSN: 1546-0096
DOI: 10.1186/s12969-022-00701-x
Popis: Abstract Objective The aim of this study was to analyze the usefulness of myeloid-related protein 8/14 (MRP8/14) in the prediction of disease course in a real-world setting for patients with new-onset juvenile idiopathic arthritis (JIA), to identify the relationship between MRP8/14 and disease activity using the physician’s global assessment of disease activity (PGA), and determine whether the MRP8/14 levels measured in serum and plasma are equally useful. Methods In this prospective follow-up study, 87 new-onset non-systemic JIA patients were studied. Blood and synovial fluid samples were collected prior to any antirheumatic medication use. MRP8/14 was measured from serum (S-MRP8/14), plasma (P-MRP8/14), and synovial fluid samples using ELISA. Results The baseline MRP8/14 blood levels were significantly higher in patients using synthetic antirheumatic drugs than in patients with no systemic medications at 1 year after diagnosis in serum (mean 298 vs. 198 ng/ml, P
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