The effect of miR-204 on mRNA expression profiles of primary mouse chondrocytes
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ABSTRACT:
PROVIDER: PRJNA523504 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8649740_1.fastq.gz | Fastqsanger.gz | |||
| SRR8649740_2.fastq.gz | Fastqsanger.gz | |||
| SRR8649741_1.fastq.gz | Fastqsanger.gz | |||
| SRR8649741_2.fastq.gz | Fastqsanger.gz | |||
| SRR8649734_1.fastq.gz | Fastqsanger.gz |
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Project description:mRNA profiles of primary mouse chondrocytes transfected with miR-Ctrl or miR-204 mimics were generated by mRNA sequencing. This study provides insights into the role of miR-204 in chondrocytes.
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Project description:The aim of this study is to discover genes regulated by miR-204. Differential gene expression in HEK-293 cells transfected with miR-204-mimic compared to HEK-293 cells transfected with control oligo (HEK-293 control) was analyzed using the Agilent Human Whole Genome 4x44K gene expression array (Agilent Technologies, Santa Clara, CA). HEK-293 cells were transfected with either miR-204 or a control, and gene expression was analyzed using the Agilent Human Whole Genome 4x44K array. A dye-swap was performed.
2012-03-30 | E-GEOD-28400 | biostudies-arrayexpress
Project description:The aim of this study is to discover genes regulated by miR-204. Differential gene expression in HEK-293 cells transfected with miR-204-mimic compared to HEK-293 cells transfected with control oligo (HEK-293 control) was analyzed using the Agilent Human Whole Genome 4x44K gene expression array (Agilent Technologies, Santa Clara, CA).
2012-03-31 | GSE28400 | GEO
Project description:Mechanisms underlying exercise induced insulin sensitization are of interest as exercise is a clinically critical option as a lifestyle intervention for diabetic patients. Some of microRNAs (miRNAs), which can be secreted from skeletal muscle after exercise, regulate insulin sensitivity and are used for diagnostic marker for diabetic patients. MiR-204 is well-known for its involvement in development, cancer, and metabolism. However, it is still unknown whether miR-204 associates with exerciseinduced glycemic control. In preliminary data, we found that endurance exercise of mice increases miR-204 expression levels in skeletal muscle. In chronic exercise mice model, miR-204 expression levels were increased with glycolytic enzymes in skeletal muscle. When hypoxia induced hypoxia inducible factor 1 alpha (HIF1α), miR-204 expression levels were increased. HIF1α overexpression also increased miR-204 expression levels. To corroborate the causality between miR-204 and glycolysis, miR-204 mimic was introduced to myoblast cell line, C2C12 myoblast cell line. After exposure to miR-204 mimic, C2C12 cells could increase the glycolysis rate measured by extracellular acidification rate. miR-204 mimics also increased mRNA expression levels of glycolytic enzymes. In vivo intravenous miR-204 administration to mice also increased the glucose clearance rate after refeeding of mice. MiR-204 increased blood glucose surge on earlier point of refeeding but promoted the blood glucose lowering on later point of refeeding. Skeletal muscle glycolytic enzymes were increased in mRNA expression levels by miR-204 injection. This finding suggests the novel physiological role of miR-204 in skeletal muscle glycolysis where insulin action is limited.
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Project description:Introduction: The mechanisms underlying myopia and myopia-related retinopathy remain not fully understood. We proposed to examine the function and underlying mechanisms of miR-204-5p in myopia development. Methods: The miR-204-5p expression level was assessed in the vitreous humor (VH) of a cohort consisting of 11 patients with high myopia (HM) and 16 control patients undergoing retinal surgery. The functional implications of miR-204-5p in ARPE-19 cells were assessed, encompassing cell aggressiveness. Thioredoxin-interacting protein (TXNIP) was found as a possible target of miR-204-5p through mRNA sequencing, and its interaction with miR-204-5p was confirmed employing luciferase assay and western blotting. Furthermore, the miR-204-5p function in regulating oxidative stress was examined by measuring reactive oxygen species (ROS) accumulation. Results: miR-204-5p was found to be significantly reduced in the VH of HM patients. Overexpression of miR-204-5p suppressed cell proliferation, migration, invasion, and apoptosis in ARPE-19 cells. The bioinformatics analysis demonstrated that miR-204-5p can modulate the genes associated with pathways relevant to myopia, including glycosaminoglycan (GAG) degradation, lysosome, and TGF−beta signaling pathway. The direct targeting of miR-204-5p on TXNIP has been confirmed through validation, and its downregulation mediated the miR-204-5p impacts on ARPE-19 cells. Moreover, miR-204-5p overexpression significantly reduced ROS accumulation by targeting TXNIP. Conclusion: Our findings revealed the possible contribution of the miR-204-5p/TXNIP axis in myopia development by regulating oxidative stress, which may provide new targets and novel therapeutic strategies to combat this prevalent and debilitating condition.
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Project description:We established two distinct stable clones which ectopically overexpress miR-204-5p to different levels, then performed transcriptome profiling of miR-204-5p overexpressing cells compared to control 4T1 cells to understand the molecular mechanisms of the miR-204-5p’s effect on cancer cells.
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Project description:We have employed whole genome microarray expression profiling as a discovery platform to screen potential target genes of miR-204-5p in colorectal cancer cell HCT116. HCT116 cells were seeded in 6-cm2 tissue culture plates and transfected with the miR-204-5p mimic or negative control (NC) using Lipofectamine 2000 (Invitrogen, USA). After propagation for 48 hours, total RNA was extracted using TRIzol reagent (Invitrogen, USA). Expression profiling was performed using an Agilent human whole genome oligo microarray chip (4M-CM-^W44K) (Agilent, USA) Expression profiling in HCT116 cells was measured at 48 hours after transfection with miR-204-5p or negative control. Experiments were performed using the two samples without repeat experiment.
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Project description:Bone marrow-derived macrophages were transfected with miRNA-204-3p mimics or mimics negative control for 24 hours. RNA-seq was performed to compare miR-204-3p overexpression versus control cells.
2023-03-01 | GSE223129 | GEO
Project description:Transcriptome profile of retinas from wild-type (c57BL/6) and RHO-P347S mice following AAV-mediated subretinal delivery of pre-miR-204 to study the molecular changes underlying the neuroprotective effect of miR-204 OE in mouse models of Inherited Retinal Disease (IRD) To determine the molecular changes associated with AAV-mediated delivery of miR-204 in the subretinal space of wild-type and IRD mouse models, we performed RNASeq analysis of retinas from c57BL/6 and RHO-P347S mice injected with the AAV2/8.CMV.miR204 and AAV2/8.CMV.miR204MUT vector in a paired manner.
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Project description:Neuroblastoma is a pediatric cancer of the sympathetic nervous system. MYCN amplification is a key indicator of poor prognosis for the disease, however, mechanisms by which MYCN promotes neuroblastoma tumorigenesis are not fully understood. In this study, we analyzed global miRNA and mRNA expression profiles of tissues at different stages of tumorigenesis from TH-MYCN transgenic mice, a model of MYCN-driven neuroblastoma. Based on a Bayesian learning network model in which we compared pre-tumor ganglia from TH-MYCN+/+ mice to age-matched wild-type controls, we devised a predicted miRNA-mRNA interaction network. Among the miRNA-mRNA interactions operating during human neuroblastoma tumorigenesis, we identified that miR-204 is a tumor suppressor miRNA that inhibits a subnetwork of oncogenes strongly associated with MYCN-amplified neuroblastoma and poor patient outcome. Accordingly, we found that MYCN was bound to the miR-204 promoter and repressed miR-204 transcription, while in contrast, miR-204 directly bound MYCN mRNA and repressed MYCN expression. In support of a tumor suppressor role, miR-204 overexpression significantly inhibited neuroblastoma cell proliferation in vitro and tumorigenesis in vivo. Together these findings identify novel tumorigenic miRNA gene networks and miR-204 as a tumor suppressor that regulates MYCN expression in neuroblastoma tumorigenesis.
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