Comprehensive microRNA analysis identifies miR-24 and miR-125a-5p as plasma biomarkers for rheumatoid arthritis

MicroRNAs (miRNAs) are present in human plasma and known as a non-invasive biomarker for cancer detection. Our study was designed to identify plasma miRNAs specific for rheumatoid arthritis (RA) by a comprehensive array approach. We performed a systematic, array-based miRNA analysis on plasma sample...

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Veröffentlicht in:PloS one 2013-07, Vol.8 (7), p.e69118
Hauptverfasser: Murata, Koichi, Furu, Moritoshi, Yoshitomi, Hiroyuki, Ishikawa, Masahiro, Shibuya, Hideyuki, Hashimoto, Motomu, Imura, Yoshitaka, Fujii, Takao, Ito, Hiromu, Mimori, Tsuneyo, Matsuda, Shuichi
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container_title PloS one
container_volume 8
creator Murata, Koichi
Furu, Moritoshi
Yoshitomi, Hiroyuki
Ishikawa, Masahiro
Shibuya, Hideyuki
Hashimoto, Motomu
Imura, Yoshitaka
Fujii, Takao
Ito, Hiromu
Mimori, Tsuneyo
Matsuda, Shuichi
description MicroRNAs (miRNAs) are present in human plasma and known as a non-invasive biomarker for cancer detection. Our study was designed to identify plasma miRNAs specific for rheumatoid arthritis (RA) by a comprehensive array approach. We performed a systematic, array-based miRNA analysis on plasma samples from three RA patients and three healthy controls (HCs). Plasma miRNAs with more than four times change or with significant (P
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Our study was designed to identify plasma miRNAs specific for rheumatoid arthritis (RA) by a comprehensive array approach. We performed a systematic, array-based miRNA analysis on plasma samples from three RA patients and three healthy controls (HCs). Plasma miRNAs with more than four times change or with significant (P&lt;0.05) change in expression, or detectable only in RA plasma, were confirmed with plasma from eight RA patients and eight HCs using real-time quantitative PCR. Consistently detectable miRNAs that were significantly different between RA patients and HCs were chosen for further validation with 102 RA patients and 104 HCs. The area under curves (AUC) were calculated after plotting the receiver operating characteristic (ROC) curves. To determine if these miRNAs are specific for RA, the concentrations of these miRNAs were analyzed in 24 patients with osteoarthritis (OA), and 11 patients with systemic lupus erythematosus (SLE). The array analysis and the subsequent confirmation in larger patient cohort identified significant alterations in plasma levels of seven miRNAs. The highest AUC was found for miR-125a-5p, followed in order by miR-24 and miR-26a. Multivariable logistic regression analysis showed that miR-24, miR-30a-5p, and miR-125a-5p were crucial factors for making detection model of RA and provided a formula for Estimated Probability of RA by plasma MiRNA (ePRAM), employing miR-24, miR-30a-5p and miR-125a-5p, which showed increased diagnostic accuracy (AUC: 0.89). The level of miR-24, miR-125a-5p, and ePRAM in OA and SLE patients were lower than that in RA. There was no significant difference in detection for anti-citrullinated protein antibody (ACPA)-positive and ACPA-negative RA patients. These results suggest that the plasma concentrations of miR-24 and miR-125a-5p, and ePRAM are potential diagnostic markers of RA even if patients were ACPA-negative.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0069118</identifier><identifier>PMID: 23874885</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Analysis ; Area Under Curve ; Arthritis ; Arthritis, Rheumatoid - blood ; Autoimmune diseases ; Biocompatibility ; Biology ; Biomarkers ; Biomarkers - blood ; Biomedical materials ; Blood plasma ; Breast cancer ; Cancer ; Cancer therapies ; Change detection ; Chronic conditions ; Citrulline ; Diagnostic systems ; Disease ; Humans ; Immunology ; Logistic Models ; Lupus ; Mathematics ; Medical diagnosis ; Medicine ; MicroRNA ; MicroRNAs ; MicroRNAs - blood ; miRNA ; Osteoarthritis ; Patients ; Plasma levels ; Real-Time Polymerase Chain Reaction ; Regression analysis ; Rheumatic diseases ; Rheumatoid arthritis ; Rheumatoid factor ; Rheumatology ; Ribonucleic acid ; RNA ; ROC Curve ; Somatotropin ; Statistical analysis ; Surgery ; Systemic lupus erythematosus ; University graduates</subject><ispartof>PloS one, 2013-07, Vol.8 (7), p.e69118</ispartof><rights>COPYRIGHT 2013 Public Library of Science</rights><rights>2013 Murata et al. 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Our study was designed to identify plasma miRNAs specific for rheumatoid arthritis (RA) by a comprehensive array approach. We performed a systematic, array-based miRNA analysis on plasma samples from three RA patients and three healthy controls (HCs). Plasma miRNAs with more than four times change or with significant (P&lt;0.05) change in expression, or detectable only in RA plasma, were confirmed with plasma from eight RA patients and eight HCs using real-time quantitative PCR. Consistently detectable miRNAs that were significantly different between RA patients and HCs were chosen for further validation with 102 RA patients and 104 HCs. The area under curves (AUC) were calculated after plotting the receiver operating characteristic (ROC) curves. To determine if these miRNAs are specific for RA, the concentrations of these miRNAs were analyzed in 24 patients with osteoarthritis (OA), and 11 patients with systemic lupus erythematosus (SLE). The array analysis and the subsequent confirmation in larger patient cohort identified significant alterations in plasma levels of seven miRNAs. The highest AUC was found for miR-125a-5p, followed in order by miR-24 and miR-26a. Multivariable logistic regression analysis showed that miR-24, miR-30a-5p, and miR-125a-5p were crucial factors for making detection model of RA and provided a formula for Estimated Probability of RA by plasma MiRNA (ePRAM), employing miR-24, miR-30a-5p and miR-125a-5p, which showed increased diagnostic accuracy (AUC: 0.89). The level of miR-24, miR-125a-5p, and ePRAM in OA and SLE patients were lower than that in RA. There was no significant difference in detection for anti-citrullinated protein antibody (ACPA)-positive and ACPA-negative RA patients. These results suggest that the plasma concentrations of miR-24 and miR-125a-5p, and ePRAM are potential diagnostic markers of RA even if patients were ACPA-negative.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>23874885</pmid><doi>10.1371/journal.pone.0069118</doi><tpages>e69118</tpages><oa>free_for_read</oa></addata></record>
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subjects Analysis
Area Under Curve
Arthritis
Arthritis, Rheumatoid - blood
Autoimmune diseases
Biocompatibility
Biology
Biomarkers
Biomarkers - blood
Biomedical materials
Blood plasma
Breast cancer
Cancer
Cancer therapies
Change detection
Chronic conditions
Citrulline
Diagnostic systems
Disease
Humans
Immunology
Logistic Models
Lupus
Mathematics
Medical diagnosis
Medicine
MicroRNA
MicroRNAs
MicroRNAs - blood
miRNA
Osteoarthritis
Patients
Plasma levels
Real-Time Polymerase Chain Reaction
Regression analysis
Rheumatic diseases
Rheumatoid arthritis
Rheumatoid factor
Rheumatology
Ribonucleic acid
RNA
ROC Curve
Somatotropin
Statistical analysis
Surgery
Systemic lupus erythematosus
University graduates
title Comprehensive microRNA analysis identifies miR-24 and miR-125a-5p as plasma biomarkers for rheumatoid arthritis
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