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Microarray identifies differentially expressed mRNAs of cartilages between osteoarthritis (OA) patients and control patients

ABSTRACT: Microarray identifies differentially expressed mRNAs of cartilages between osteoarthritis (OA) patients and control patients

PROVIDER: PRJNA739657 | ENA |

REPOSITORIES: ENA

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Microarray identifies differentially expressed circRNAs of cartilages between osteoarthritis (OA) patients and control patients

Project description:Microarray identifies differentially expressed circRNAs of cartilages between osteoarthritis (OA) patients and control patients

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Microarray identifies differentially expressed mRNAs of cartilages between osteoarthritis (OA) patients and control patients

Project description:Chondrocyte apoptosis and aberrant metabolism are involved in the pathogenesis of osteoarthritis. Our study provides a potential new therapeutic target to chondrocyte apoptosis and aberrant metabolism in the context of osteoarthritis.

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miRNA sequencing of synovial fluid derived extracellular vesicles between normal and osteoarthritis (OA) patients

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2019-02-18 | GSE126677 | GEO

Microarray identifies differentially expressed circRNAs of cartilages between osteoarthritis (OA) patients and control patients

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Synovial biopsies of osteoarthritis patients

Project description:Synovial biopsies were obtained from osteoarthritis (OA) synovium to find genes upregulated during OA. The genes upregulated during OA can be used to identify disease characteristic genes. 10 microarrays of end-stage OA synovial biopsies were compared to 7 microarrays of synovial biopsies from individuals without a joint disease. Genes with >1.2-fold upregulation and P<0.05 in OA VS HC were selected from the analysis.

2016-06-02 | E-GEOD-82107 | biostudies-arrayexpress

Pain-driven transcriptome changes in synovium of knee osteoarthritis patients

Project description:Objectives : Joint pain causes a significant morbidity in osteoarthritis (OA). The synovium as an innervated joint structure might contribute to the peripheral pain in OA. Methods : We used a hypothesis-free next generation RNA sequencing to study protein coding and small non-coding transcriptomes in knee synovial tissues of OA patients (n=10) with high and low knee pain (evaluated by visual analogue scale) followed by Gene Ontology (GO) and pathway analyses and integration of mRNAs and small RNAs data sets. Results : We showed that 33 protein-coding genes and 35 small RNAs were differentially expressed in the knee synovium of patients with high compared to low intensity knee pain, with 30 mRNAs and 14 small RNAs being upregulated and 2 mRNAs and 21 small RNAs being downregulated. Top enriched genes, such as SDIM1 and CPE encode neuronal proteins that share molecular properties with neurotrophic factor BDNF and promote neuronal survival under cellular stress, and OTOF participates in calcium-dependent synaptic exocytosis and modulation of GABAergic activity. TrkB was enriched in several gene networks, suggesting its key role in pain-related transcriptional changes in OA joint. Downregulation of PTX3 in high pain group supports an argument that inflammation and pain are independent processes in symptomatic knee OA. MiR-146a-3p and miR150 appeared as the microRNA candidates in the pathogenesis of OA-related knee pain. Conclusions : Here we uncovered the molecular complexity of pain-related transcriptome changes in the synovium of knee joints in osteoarthritis. We identified new molecular candidates in OA pain setting a firm ground for future mechanistic studies and drug discovery in OA.

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Spatially resolved transcriptional landscape of human knee cartilage in patients with osteoarthritis (OA) and non-OA controls

Project description:Spatially resolved transcriptional landscape of human knee cartilage in patients with osteoarthritis (OA) and non-OA controls

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Synovial biopsies of osteoarthritis patients

2016-06-02 | GSE82107 | GEO

Identification of differentially expressed miRNAs and mRNAs in synovial tissues of osteoarthritis via RNA-sequencing

Project description:Background: Osteoarthritis (OA) is the most common form of arthritis and a leading cause of disability. This study attempted to investigate the key mRNAs and miRNAs related to OA. Patients and methods: From April 17th, 2018 to May 17th, 2018, five patients with OA and three normal controls were enrolled in this present study. To identify the differentially expressed mRNAs (DEmRNAs) and miRNAs (DEmiRNAs) between patients with OA and normal controls, RNA-sequencing was performed. Then, DEmiRNA-target DEmRNAs analysis and functional annotation of DEmiRNA-target DEmRNAs were performed. To validate the RNA-sequencing results, quantitative real time-PCR (RT-PCR) and western blot analysis were performed as well. Results: A total of 1068 DEmRNAs, 21 DEmiRNAs and 395 DEmiRNA-DEmRNA pairs were identified in synovial tissues of patients with OA. The functional annotation of DEmiRNA-target DEmRNAs revealed that Pathways in cancer and PI3K-Akt signaling pathway were significantly enriched Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. QRT-PCR and western blot results revealed that except for TLR7, the expression level of the others was consistent with the RNA-sequencing results, generally. Conclusion: The findings of this present study may provide new clues for the roles of DEmRNAs and DEmiRNAs in the pathogenesis of OA.

2020-02-15 | GSE143514 | GEO

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