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Molecular diagnosis & therapy

Altered microRNA expression profile in synovial fluid from patients with knee osteoarthritis with treatment of hyaluronic acid.


PMID 26232909

Abstract

The aim of this study was to investigate the microRNA (miRNA) expression pattern in synovial fluid from patients with knee osteoarthritis (OA) after treatment with intra-articular injection of hyaluronan (HA). Twelve OA patients were enrolled in accordance with the Kellgren-Lawrence classification of knee OA. All patients received intra-articular injection of HA once a week for 5xa0weeks and were evaluated with the Western Ontario and McMaster Universities (WOMAC) index at baseline. TaqMan miRNA assay profiling was performed on synovial fluid RNAs extracted from OA patients pre-injection and after 5xa0weeks of treatment with HA. Validation was performed using independent samples, including ten healthy controls and ten matched OA patients. Forty-three miRNAs (21 overexpressed miRNAs and 22 underexpressed miRNAs) were differentially expressed in OA patients before and after treatment with HA (Pxa0