Altered Expression of Circulating MicroRNA in Plasma of Patients with Primary Osteoarthritis and In Silico Analysis of Their Pathways

被引:88
作者
Borgonio Cuadra, Veronica M. [1 ]
Celia Gonzalez-Huerta, Norma [1 ]
Romero-Cordoba, Sandra [2 ]
Hidalgo-Miranda, Alfredo [2 ]
Miranda-Duarte, Antonio [1 ]
机构
[1] INR, Dept Genet, Mexico City, DF, Mexico
[2] Inst Nacl Med Genom INMEGEN, Lab Genom Canc, Mexico City, DF, Mexico
关键词
ENDOTHELIAL GROWTH-FACTOR; CHONDROCYTE APOPTOSIS; RHEUMATOID-ARTHRITIS; INHIBITION; BIOMARKERS; MECHANISM; MIRNA; PCR; DIAGNOSIS; CARTILAGE;
D O I
10.1371/journal.pone.0097690
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Objective: To analyze a set of circulating microRNA (miRNA) in plasma from patients with primary Osteoarthritis (OA) and describe the biological significance of altered miRNA in OA based on an in silico analysis of their target genes. Methods: miRNA expression was analyzed using TaqMan Low Density Arrays and independent assays. The search for potential messenger RNA (mRNA) targets of the differentially expressed miRNA was performed by means of the miRWalk and miRecords database; we conducted the biological relevance of the predicted miRNA targets by pathway analysis with the Reactome and DAVID databases. Results: We measured the expression of 380 miRNA in OA; 12 miRNA were overexpressed under the OA condition (p value, <= 0.05; fold change, >2). These results were validated by the detection of some selected miRNA by quantitative PCR (qPCR). In silico analysis showed that target messenger RNA (mRNA) were potentially regulated by these miRNA, including genes such as SMAD1, IL-1B, COL3A, VEGFA, and FGFR1, important in chondrocyte maintenance and differentiation. Some metabolic pathways affected by the miRNA: mRNA ratio are signaling Bone morphogenetic proteins (BMP), Platelet-derived growth factor (PDGF), and Nerve growth factor (NGF), these latter two involved in the process of pain. Conclusions: We identified 12 miRNA in the plasma of patients with primary OA. Specific miRNA that are altered in the disease could be released into plasma, either due to cartilage damage or to an inherent cellular mechanism. Several miRNA could regulate genes and pathways related with development of the disease; eight of these circulating miRNA are described, to our knowledge, for first time in OA.
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页数:8
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