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MRNA expression changes in miR-19a treated cells

ABSTRACT: mRNA expression changes in miR-19a treated cells

PROVIDER: PRJNA588429 | ENA |

REPOSITORIES: ENA

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mRNA expression changes in miR-19a treated cells

Project description:The goal of the subject is to explore the changed expression mRNA after miR-19a is knockdown. We transfected Hepatocelluar carcinoma cell line (Huh7) with control vector or miR-19a inhibitor and got a stable cell line. Then we screened the mRNA expression and found the changed genes.

2021-11-01 | GSE140148 | GEO

Transcriptomic analysis of miR-19a-19b-20a subcluster-overexpressed fibroblasts in bleomycin-induced lung fibrosis

Project description:Lung fibroblasts play a pivotal role in pulmonary fibrosis, a devastating lung diseases, by producing extracellular matrix. MicroRNAs (miRNAs) suppress a lot of genes posttranscriptionally, but the dynamics and the role of miRNAs in activated lung fibroblasts in fibrotic lung has been poorly understood. We found miR-19a, 19b and 20a subcluster expression increased in activated lung fibroblasts as the fibrosis progression. To elucidate whether fibroblast-specific intervention against miR-19a, 19b and 20a subcluster modulates pathogenic activation of lung fibroblasts in vivo, we intratracheally-transferred the subcluster-overexpressed fibroblasts into bleomycin-treated lungs and performed global transcriptome analysis.

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mRNA changes in mir-71(n4115) Caenorhaditis elegans

Project description:mRNA changes in mir-71(n4115) Caenorhaditis elegans

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A global transcriptome analysis of human epidermal keratinocytes upon overexpression of microRNA-19a or microRNA-19b or microRNA-20a

Project description:Several members from microRNA 17-92 cluster, i.e. miR-19a, miR-19b and miR-20a, were found up-regulated in human epidermal keratinocytes at wound-edges compared to the intact skin; however their biological role in keratinocytes during wound repair has not been studied. To study the genes regulated by miR-19a, miR-19b and miR-20a, we transfected miRNA specific mimics, i.e. pre-miR-19a, pre-miR-19b or pre-miR-20a into human primary epidermal keratinocytes to overexpress them. We performed a global transcriptome analysis of keratinocytes upon overexpression of miR-19a or miR-19b or miR-20a using Affymetrix arrays.

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MicroRNA-19a-PTEN axis is involved in the developmental decline of axon regenerative capacity in retinal ganglion cells

Project description:Irreversible blindness from glaucoma and optic neuropathies is attributed to retinal ganglion cells (RGCs) losing the ability to regenerate axons. While several transcription factors and proteins have demonstrated enhancement of axon regeneration after optic nerve injury, mechanisms contributing to the age-related decline in axon regenerative capacity remains elusive. Here, we show that microRNAs are differentially expressed during RGC development, and identify microRNA-19a (miR-19a) as a heterochronic marker; developmental decline of miR-19a relieves suppression of PTEN, a key regulator of axon regeneration, and serves as a temporal indicator of decreasing axon regenerative capacity. Intravitreal injection of miR-19a promotes axon regeneration after optic nerve crush in adult mice, and increases axon extension in RGCs isolated from aged human donors. This uncovers a previously unrecognized involvement of the miR-19a-PTEN axis in RGC axon regeneration, and demonstrates therapeutic potential of microRNA-mediated restoration of axon regenerative capacity via intravitreal injection in patients with optic neuropathies.

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mRNA expression profile in IL-4-treated macrophages transfected with miR-142-5p ASO or miR-130a-3p mimics

Project description:To identify target genes of miR-142-5p and miR-130a-3p that are involved in M2 polarization, we examined the mRNA expression profile changes after altering miR-142-5p or miR-130a-3p expression in IL-4-treated macrophages. Macrophages were transfected with control ASO, miR-142-5p ASO, control mimics or miR-130-3p mimics using lentiviral vectors. After 24 hr, the cells were treated with IL-4 for 24h.mRNA was purified from total RNA after removal of rRNA (mRNA-ONLY™ Eukaryotic mRNA Isolation Kit, Epicentre). Then, each sample was amplified and transcribed into fluorescent cRNA along the entire length of the transcripts without 3’ bias utilizing a random priming method. The labeled cRNAs were hybridized onto the Human RNA Array v2.0 (8 x 60K, Arraystar). After having washed the slides, the arrays were scanned by the Agilent Scanner G2505B.

2014-07-12 | E-GEOD-59347 | biostudies-arrayexpress

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mir-19 and mir-92 regulate lipid metabolism and energy balance

Project description:Profile gene expression change in 3T3 L1 adipocytes after overexpression of microRNA mir-17/18a, mir-18a/19a/20a, and mir-19b/92a

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