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Analysis of HeLa cells after transfection with miR-1, miR-124 and miR-181.

ABSTRACT: Analysis of HeLa cells at 24 hours after transfection with wild type miR-1, miR-124, miR-181 versus control transfected HeLa cells. Results were compared to protein down-regulation at 48 hours measured by SILAC-MS.

ORGANISM(S): Homo sapiens

PROVIDER: GSE11968 | GEO | 2008/07/31

SECONDARY ACCESSION(S): PRJNA113833

REPOSITORIES: GEO

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Analysis of HeLa cells after transfection with miR-1, miR-124 and miR-181.

Project description:Analysis of HeLa cells at 24 hours after transfection with wild type miR-1, miR-124, miR-181 versus control transfected HeLa cells. Results were compared to protein down-regulation at 48 hours measured by SILAC-MS. Analysis of HeLa cells at 24 hours after transfection with wild type miR-1, miR-124, miR-181 versus control transfected HeLa cells. Results were compared to protein down-regulation at 48 hours measured by SILAC-MS.

2010-05-25 | E-GEOD-11968 | biostudies-arrayexpress

miR-124 transfection time course

Project description:This time course analysis is to study the targets and functions of miR-124. MiR-124 was overexpressed and the effect of miR-124 overexpression was compared to negative controls to identify downregulated genes and potential miRNA targets. Keywords: time course

2006-11-03 | GSE6207 | GEO

miR-181 regulates colonic inflammation

Project description:The intestinal epithelium is a key physical interface that integrates dietary and microbial signals to regulate nutrient uptake and mucosal homeostasis. Intestinal epithelial cells (IECs) have a high turnover rate driven by the death of terminally differentiated cells with concurrent stem cell proliferation, a process critical for maintaining intestinal homeostasis and protecting against mucosal inflammation. The transcriptional programs that regulate IEC quiescence, proliferation, and differentiation have been well-characterized. However, how gene expression networks critical for IEC functions are regulated at the post-transcriptional level during homeostasis or inflammatory disease remains poorly understood. Herein, we show that a conserved family of microRNAs, miR-181, is significantly downregulated in IECs from patients with inflammatory bowel disease and mice with chemical-induced colitis. Strikingly, we showed that miR-181 expression within IECs, but not the hematopoietic system, is required for protection against the development of severe colonic inflammation in response to epithelial injury in mice. Mechanistically, we showed that miR-181 expression increases the proliferative capacity of IECs, likely through the regulation of Wnt signaling, independently of gut microbiota composition. As epithelial reconstitution is crucial for restoring intestinal homeostasis after injury, the miR-181 family represents a potential novel therapeutic target in IECs for protection against severe intestinal inflammation.

2022-07-25 | GSE208410 | GEO

mRNA abundance in HEK293T cells mock or miR-124 transfected

Project description:HEK293T cells were either mock or miR-124 transfected. Cells were lysed 12 hours after transfection with Trizol reagent. RNA was isolated, amplified, labeled (cy5), and comparatively hybridized with a universal reference (cy3) on HEEBO arrays in biological triplicate. In addition, each biological replicate was measured twice (#2's). Data from the technical replicates was averaged before analysis. SS=steady state Compound Based Treatment: miR-124

2009-11-10 | GSE18835 | GEO

Regulation of gene expression by miR-124 or VAMP3 in SK-N-SH cells

Project description:To study how miR-124 and VAMP3 may regulate human neuroblastoma, thee human neuroblastoma cell line SK-N-SH were transiently transfected to overexpress miR-124 or VAMP3, and total RNA was isolated 48 hours after transfection and subject to RNA-seq.

2023-10-23 | GSE240277 | GEO

miR-1,miR-122,miR-124 overexpression in 293T cells

Project description:To identify miR-1, miR-122 and miR-124 target genes in 293T cells using RNA-seq.

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Transcription profiling of human HepG2 cell line overexpressing miR-124 sampled at multiple times points to study the targets and functions of miR-124

2007-11-01 | E-GEOD-6207 | biostudies-arrayexpress

mRNA abundance in HEK293T cells mock or miR-124 transfected

2010-06-20 | E-GEOD-18835 | biostudies-arrayexpress

Transcription profiling by array of Jurkat cells following miR-181 over-expression

Project description:miR-181 is often dysregulated in several types of cancer. This dataset can represent a further insight into gene expression changes and GO Terms associated with miR-181 over-expression. miR-181 was over-expressed in Jurkat cells by transduction with a lentiviral transgenic construct encoding for miR-181 under a PGK promoter. A cognate vector encoding for a control hairpin was used to generate control cell line. mRNA Microarray gene expression profiling of Jurkat cells tranduced with either a miR-181 sponge or control construct. 3 biological replicas have been performed. Note that the control samples are the same as those used in the related experiment E-MTAB-4588

2016-03-24 | E-MTAB-4602 | biostudies-arrayexpress

The effect of miR-294 and miR-181 on the transcriptome during OSK reprogramming of MEFs

Project description:Study designed to determine the immediate effects of supplementing OSK reprogramming with miR-294 or miR-181. MEFs were infected on day 0, and transfected with miR-294, miR-181 or control mimic on day 1. On day 3 RNA was extracted. OSK infected MEFs samples were compared to non-infected MEFs and to fully reprogrammed iPSCs.

2013-09-15 | GSE49556 | GEO

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