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Expression data from miR-203 induction in mouse skin

ABSTRACT: We identify numerous miR-203 in vivo targets that are highly enriched for the promotion of cell cycle and cell division. Importantly, individual targets including p63, Skp2 and Msi2 play distinct roles downstream of miR-203 to regulate the cell cycle and long-term proliferation. Together, our findings reveal rapid and widespread impact of miR-203 on the self-renewal program during the epidermal differentiation and provide mechanistic insights for the potent role of miR-203 where coordinated repression of multiple targets is required for the function of this miRNA. We used microarrays to measure transcriptome changes upon miR-203's induction in mouse skin and identified new targets of miR-203.

ORGANISM(S): Mus musculus

PROVIDER: GSE45121 | GEO | 2013/03/14

SECONDARY ACCESSION(S): PRJNA192930

REPOSITORIES: GEO

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Expression data from miR-203 induction in mouse skin

Project description:We identify numerous miR-203 in vivo targets that are highly enriched for the promotion of cell cycle and cell division. Importantly, individual targets including p63, Skp2 and Msi2 play distinct roles downstream of miR-203 to regulate the cell cycle and long-term proliferation. Together, our findings reveal rapid and widespread impact of miR-203 on the self-renewal program during the epidermal differentiation and provide mechanistic insights for the potent role of miR-203 where coordinated repression of multiple targets is required for the function of this miRNA. We used microarrays to measure transcriptome changes upon miR-203's induction in mouse skin and identified new targets of miR-203. We use two pairs of biological duplicates to perform the microarray analysis from the epidermal samples harvested from K14-rtTA/TRE-miR-203/K14-H2BGFP (DP) and TRE-miR-203/K14-H2BGFP (SP) littermates at P4, 24h after the Dox injection.

2013-03-14 | E-GEOD-45121 | biostudies-arrayexpress

Gene expression analysis in islets from miR-203 TG mice [scRNA-seq]

Project description:To investigate the effect of miR-203 in type 2 diabetes, target genes of miR-203 need to be investigated. The β cell specific miR-203 transgene (miR-203 TG) mice was constructed, and scRNA-seq was then performed on mouse islets.

2023-05-19 | GSE232474 | GEO

Gene expression analysis in islets from miR-203 TG mice [RNA-seq]

2023-05-19 | GSE232473 | GEO

Expression data of mRNA from wild-type A549 cells and microRNA-203 knockout A549 cells during H5N1 infections

Project description:MicroRNA-203 was up-regulated markedly upon H5N1 virus infection. To identify the potential target genes of miR-203, we constructed a miR-203 knockout A549 cell line. Then wild-type and miR-203 knockout A549 cells were mock-infected or infected with H5N1 virus for 48h. The Agilent Whole Human Genome Oligo Microarray was performed to analyze the mRNA expression profiling. Meanwhile, the online tool TargetScanHuman (http://www.targetscan.org/vert_71/) was used to predict biological targets of miR-203. We combined the predicted genes with the genes differentially expressed in wild-type and miR-203 knockout A549 cells, and preliminarily identified some candidate mRNAs. Then more experiments were performed to further verify these target genes, such as dual-luciferase reporter assay, quantitative real-time PCR or Western blot analysis.

2018-05-09 | GSE107089 | GEO

miR-203, a microRNA of multilayered epithelia, inhibits metastatic fitness in human squamous cell carcinoma

Project description:The colonization of distant organs by metastatic carcinoma cells underpins most human cancer-related deaths, including those from head and neck squamous cell carcinoma (HNSCC). We report that miR-203, a miRNA that promotes keratinocyte differentiation, is necessary and sufficient to inhibit multiple post-extravasation events during HNSCC lung metastasis, including initial survival/engraftment, escape from metastatic dormancy, and overt colonization in vivo. Restoration of miR-203 expression in established lung metastases reduces overall metastatic burden. Instead of promoting differentiation, miR-203 controls lung metastasis through direct targeting of genes involved in cytoskeletal dynamics (LASP1), ECM remodeling (SPARC), and cell metabolism (NUAK1). Expression of miR-203 and its downstream targets correlates with HNSCC overall survival outcomes, suggesting the therapeutic potential of targeting this signaling axis.

2016-01-01 | GSE47028 | GEO

Profiling of direct mRNA targets of miR-130a, miR-203 and miR-205 in prostate cancer cell line LNCaP

Project description:Micro RNAs (miRNAs) miR-130a, miR-203 and miR-205 are jointly downregulated in prostate cancer and act as repressors of AR-signaling. MiRNAs are small non-coding RNAs that regulate the expression of specific mRNA targets mainly by translational repression, mRNA deadenylation or cleavage. Reconstitution of these lost miRNAs in the LNCaP PCa cell line cause morphology changes, growth arrest, and apoptosis, increasing when the miRNAs were co-expressed. This series identifies direct targets of miR-130a, miR-203, and miR-205 by AGO2-RNA co-immunoprecipitation as described by (Beitzinger et al. 2007) upon miRNA reconstitution in LNCaP cells and analyzing AGO2-bound mRNAs using Affymetrix Genechips. Relative levels of AGO2 bound versus total RNA expression were compared between miRNA reconstituted and miR-scr transfected samples. Three arrays each for AGO2-bound RNA upon reconstitution of miR-130a, miR-203, miR-205, a scramble miRNA, and three arrays each for total RNA upon reconstitution of miR-130a, miR-203, miR-205, a scramble miRNA.

2012-03-08 | E-GEOD-22979 | biostudies-arrayexpress

Genes regulated by miR-203 in breast cancer cell line MDA-MB-231

2013-05-01 | GSE44239 | GEO

miR-203, a microRNA of multilayered epithelia, inhibits metastatic fitness in human squamous cell carcinoma

2016-07-03 | E-GEOD-47028 | biostudies-arrayexpress

Genes regulated by miR-203 in breast cancer cell line MDA-MB-231

Project description:To investigate the mechanism through which miR-203 inhibited the breast cancer cell invasion, we overpression miR-203 in MDA-MB-231 cell line and performed a microarray to examine the genes which maybe targeted and down-regulated by miR-203. We made a stable cell line(MB231/miR-203) which overexpressing miR-203 and a control cell line (MB231/EV) which expressing a contrlol vector. Total RNA were extracted from these two cell lines and subject to microarray.

2013-05-01 | E-GEOD-44239 | biostudies-arrayexpress

mRNA expression upon reconstitution of miR-130a, miR-203 and miR-205 in prostate cancer cell line LNCaP

Project description:Micro RNAs (miRNAs) miR-130a, miR-203 and miR-205 are jointly downregulated in prostate cancer and act as repressors of AR-signaling. MiRNAs are small non-coding RNAs that regulate the expression of specific mRNA targets mainly by translational repression, mRNA deadenylation or cleavage. Reconstitution of these lost miRNAs in the LNCaP PCa cell line cause morphology changes, growth arrest, and apoptosis, increasing when the miRNAs were co-expressed. Bioinformatic target prediction, mRNA expression and protein expression analysis upon overexpression of these miRNAs congruently identified targets known to be overexpressed in PCa and to be involved in AR trans-activation. This series profiles loss in mRNA expression in LNCaP cells transfected with one of the three miRNAs miR-130a, miR-203 and miR-205 compared to LNCaP cells transfected with a scramble miRNA. We analyzed three arrays each for miR-130a, miR-203, miR-205, and a scramble miRNA.

2012-03-08 | E-GEOD-17315 | biostudies-arrayexpress

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