Browse
Submit Data
Databases
API
Help

Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

The effect of Dicer knockdown on the microRNA transcriptional profile of 3.10 mTEC cell line.

ABSTRACT: Dicer, also known as endoribonuclease Dicer or helicase with RNase motif, cleaves double-stranded RNA (dsRNA) and pre-microRNA (pre-miRNA) into short mature double-stranded RNA fragments called small interfering RNA and microRNA, respectively. MicroRNAs are potent post-transcriptional regulators in developmental switches, lineage commitment and gene expression regulation. To evaluate their post-transcriptional role in gene expression of Medullary thymic epithelial cells (mTECS) we knocked down Dicer transcript by means of siRNA transfection in a Mus musculus mTEC cell line (3.10 mTEC). The Agilent oligo microarrays were used to determine the large scale microRNA (miRNA) transcriptional profiles of control or Dicer-knockdown 3.10 mTECs.

INSTRUMENT(S): Agilent G2565AA and G2565BA Microarray Scanner

ORGANISM(S): Mus musculus

SUBMITTER: Geraldo Passos

PROVIDER: E-MTAB-4627 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

ACCESS DATA

Json Xml

Similar Datasets

The effect of Dicer knockdown on the transcriptional expression profile of 3.10 mTEC cell line.

Project description:Dicer, also known as endoribonuclease Dicer or helicase with RNase motif, cleaves double-stranded RNA (dsRNA) and pre-microRNA (pre-miRNA) into short mature double-stranded RNA fragments called small interfering RNA and microRNA, respectively. Medullary thymic epithelial cells (mTECs) express close to 90% of the protein-coding genome, besides they play an important role to self-tolerance through the ectopic expression of peripheral tissue antigens (PTAs) in the thymus. MicroRNAs are potent post-transcriptional regulators in developmental switches, lineage commitment and gene expression regulation, but their role in representation of the immunological self in mature mTECs is not fully understood. So we used a Mus musculus mTEC cell line (mTEC 3.10) to knockdown Dicer transcript by means of siRNA transfection and then observe the effect of Dicer knockdown in the transcriptional profile of messenger RNAs (mRNAs) by means of oligo microarray hybridization. The Agilent oligo microarrays were used to determine the large scale mRNA transcriptional profiles of control or Dicer-knockdown 3.10 mTECs.

2016-06-27 | E-MTAB-4628 | biostudies-arrayexpress

The effect of the Autoimmune regulator (Aire) gene on microRNA transcriptional profile of 3.10 mTEC cell line

Project description:Medullary thymic epithelial cells (mTECs) contribute to self-tolerance through the ectopic expression of peripheral tissue antigens (PTAs) in the thymus. Autoimmune regulator (Aire) is to date the best characterized transcriptional regulator known to at least partially coordinate PTA expression in mTECs. Furthermore the expression of Aire-dependent and -independent genes is also modulated by microRNAs. Given the transcriptional regulation exerted by Aire in mTEC cells and the role of miRNAs in post-transcriptional control, we used a Mus musculus mTEC cell line (3.10) which constitutively express Aire in culture) to knockdown Aire gene by means of siRNA transfection and then observe the effect of Aire knockdown in the transcriptional profile of miRNAs by means of oligomicroarrays. The Agilent oligomicroarrays were used to determine the large scale the miRNA transcriptional profiles of control or Aire-knockdown 3.10 mTECs.

2016-06-27 | E-MTAB-4596 | biostudies-arrayexpress

Post-transcriptional control of Aire gene by the microRNA 155

Project description:In this study, we transfected murine (Mus musculus) medullary thymic epithelial cell line (mTEC 3.10 cell line) with miR155 mimic to assess a possible post-transcriptional control of the miRNA over the Aire gene. Then we analyzed the differential transcriptional profile of this cell line, by means of Agilent oligo microarray hybridization, comparing Autoimmune regulator (Aire) wild-type cells vs cells transfected with miR155 mimic. The comparative transcriptional expression signatures allowed us to find those differentially expressed mRNAs between the samples tested.

2022-10-01 | E-MTAB-7709 | biostudies-arrayexpress

The role of Autoimmune regulator (Aire) gene in the control of adhesion between medullary thymic epithelial cells and thymocytes

Project description:The crosstalk between thymocytes and thymic epithelial cells is critical for T cell development and establishment of central tolerance. Although the role of Autoimmune Regulator (Aire) gene in the induction of central tolerance is well known, the precise cellular and molecular mechanisms by which Aire controls the ectopic expression of tissue restricted antigens (TRAs) in medullary thymic epithelial cells (mTECS) remain unclear. In this study we performed a functional assay with fresh thymocytes dissociated from a normal mouse thymus co-cultured with a Mus musculus mTEC cell line - named 3.10 mTEC line - , in which we had previously knocked-down Aire gene by means of siRNA transfection. Agilent Mouse Gene Expression microarrays were used to determine the large scale transcriptional expression profiles of control and Aire-knockdown 3.10 mTECs co-cultured with thymocytes.

2016-06-27 | E-MTAB-4595 | biostudies-arrayexpress

The effect of the Autoimmune regulator (Aire) gene on mRNA and lncRNA transcriptional profile of mTEC 3.10 cell line

Project description:In this study, we used the murine (Mus musculus) medullary thymic epithelial cell line (mTEC 3.10 cell line) co-cultured with fresh thymocytes as a functional assay for mTEC-thymocyte adhesion. Then we analyzed the differential transcriptional profile of this cell line, by means of Agilent oligo microarray hybridization, comparing Autoimmune regulator (Aire) wild-type cells vs Crispr-Cas9-induced Aire KO cells. The comparative transcriptional expression signatures allowed us to find those differentially expressed mRNAs or lncRNAs between the samples tested.

2021-12-31 | E-MTAB-6541 | biostudies-arrayexpress

The effect of the autoimmune regulator (Aire) gene on the transcriptional expression profile of 3.10 mTEC cell line.

Project description:Medullary thymic epithelial cells (mTECs) contribute to self-tolerance through the ectopic expression of peripheral tissue antigens (PTAs) in the thymus. PTA expression in mTECs is largely dependent on the autoimmune regulator (Aire) gene. Here we used a Mus musculus mTEC cell line (3.10 mTEC line, which constitutively express Aire in culture) to knockdown Aire gene by means of siRNA transfection. Aire knockdown was confirmed by means of qRT-PCR and RNA-FISH (for Aire mRNA levels), immunofluorescence and western blot (for AIRE protein levels).The Agilent oligo microarrays were used to determine the large scale transcriptional expression profiles of control or Aire-knockdown 3.10 mTECs.

2015-12-31 | E-MTAB-3879 | biostudies-arrayexpress

Identification of mirna during osteoblast differentiation of human dental pulp stem cells

Project description:To evaluate the miRNA and mRNA expression profiles (miRNOME) we identified miRNAs during in vitro osteogenic differentiation of human dental pulp stem cells (DPSC). The DPSCs were cultured in the DMEM + beta-glycerol phosphate, ascorbic acid and dexamethasone for 2 dias to 21days. The microRNA or mRNA expression profiling during the differentiation process was analyzed through hybridizations with Agilent miRNA-microarray (8x15K format).

2014-11-28 | E-MTAB-3077 | biostudies-arrayexpress

Transcriptional profiling by array of microRNAs from human peripheral blood mononuclear cells - PBMC - of Type 2 diabetes mellitus patients

Project description:The microRNA oligo microarrays were used to determine expression profiles of peripheral blood mononuclear cells from type 2 diabetes mellitus (T2DM) patients, aiming the identification of possible disease related MicroRNAs.

2015-04-01 | E-MTAB-2899 | biostudies-arrayexpress

Transcriptional profiling by array of microRNAs of human peripheral blood mononuclear cells - PBMC - from control individuals for Type 2 diabetes mellitus patients

Project description:The microRNA oligo microarrays were used to determine expression profiles of peripheral blood mononuclear cells from control healthy individuals and compare to type 2 diabetes mellitus (T2DM) patients, aiming the identification of possible disease related MicroRNAs.

2015-04-01 | E-MTAB-2902 | biostudies-arrayexpress

Transcriptional profiling by microarray of microRNAs of osteoblastic cells from calvaria and bone marrow of ovariectomized rats.

Project description:The microRNA oligo microarrays from Agilent were used to evaluate behavioral differences in osteoblast-like cells from calvaria and bone marrow of rats induced to osteoporosis by ovariectomy. The miRNAs data were normalized using the quantile and after statistical analysis by moderate t-test with p-value ≤ 0.05 and subsequent fold change ≥ 1.5, 84 miRNAs differentially expressed in calvaria cells were detected and 55 miRNAs in bone marrow cells.

2015-05-25 | E-MTAB-3563 | biostudies-arrayexpress

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data