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Significant Changes in Synovial Fluid microRNAs After High Tibial Osteotomy in Medial Compartmental Knee Osteoarthritis: Identification of Potential Prognostic Biomarkers

Authors
 Yoon Hae Kwak  ;  Dae-Kyung Kwak  ;  Nan Young Kim  ;  Yun Joong Kim  ;  Jeong Seop Lim  ;  Je-Hyun Yoo 
Citation
 PLOS ONE, Vol.15(1) : e0227596, 2020-01 
Journal Title
 PLOS ONE 
Issue Date
2020-01
MeSH
Aged ; Biomarkers ; Female ; Gene Expression Profiling / methods ; Gene Expression Regulation / genetics ; Humans ; Knee Joint / surgery ; MicroRNAs / genetics* ; MicroRNAs / metabolism ; Middle Aged ; Osteoarthritis, Knee / genetics* ; Osteoarthritis, Knee / metabolism ; Osteotomy / methods ; Prognosis ; Prospective Studies ; Synovial Fluid / metabolism ; Tibia / metabolism
Abstract
High tibial osteotomy (HTO) is a well-established treatment for medial compartmental knee osteoarthritis. Several microRNAs (miRNAs) are involved in osteoarthritis progression and are useful as osteoarthritis-related biomarkers. In this prospective study, we investigated differentially expressed microRNAs in the synovial fluid (SF) before and after HTO in patients with medial compartmental knee osteoarthritis to identify microRNAs that can be used as prognostic biomarkers. We used miRNA-PCR arrays to screen for miRNAs in SF samples obtained preoperatively and 6 months postoperatively from 6 patients with medial compartmental knee osteoarthritis who were treated with medial open wedge HTO. Differentially expressed miRNAs identified in the profiling stage were validated by real-time quantitative PCR in 22 other patients who had also been treated with HTO. All patients radiographically corresponded to Kellgren-Lawrence grade II or III with medial compartmental osteoarthritis. These patients were clinically assessed using a visual analogue scale and Western Ontario McMaster Universities scores. Mechanical axis changes were measured on standing anteroposterior radiographs of the lower limbs assessed preoperatively and at 6 months postoperatively. Among 84 miRNAs known to be involved in the inflammatory process, 14 were expressed in all SF specimens and 3 (miR-30a-5p, miR-29a-3p, and miR-30c-5p) were differentially expressed in the profiling stage. These 3 miRNAs, as well as 4 other miRNAs (miR-378a-5p, miR-140-3p, miR-23a-3p, miR-27b-3p), are related to osteoarthritis progression. These results were validated in the SF from 22 patients. Clinical and radiological outcomes improved after HTO in all patients, and only 2 miRNAs (miR-30c-5p and miR-23a-3p) were significantly differentially expressed between preoperative and postoperative 6-month SF samples (p = 0.006 and 0.007, respectively). Of these two miRNAs, miR-30c-5p correlated with postoperative pain relief. This study provides potential prognostic miRNAs after HTO and further investigations should be considered to determine clinical implications of these miRNAs.
Files in This Item:
T202001362.pdf Download
DOI
10.1371/journal.pone.0227596
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Yoon Hae(곽윤해) ORCID logo https://orcid.org/0000-0002-0596-1228
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/176119
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