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Profiling of transcripts expression in Rag2 KO and wild type mice spleen by BeadChip array analysis

ABSTRACT: Purpose: The purpose of the study was to investigate the differential expression pattern of genes in Rag2 KO mice spleen compared to its wild type counterpart. Methods: In this study, we have excised the spleen tissues from three Rag2 KO mice and three wild type mice, and then RNA samples were prepared with the spleen tissues for the analysis of transcriptomic profiles using the Illumina MouseRef-8 v2 Expression BeadChip platforms. The MouseRef-8 v2.0 BeadChip Kit content is derived from the national center for biotechnology information reference sequence (NCBI RefSeq) database (Build 36, Release 22). The content was supplemented with probes derived from the mouse exonic evidence based oligonucleotide (MEEBO) set, as well as standard protein-coding sequences described in the RIKEN FANTOM2 database. As well, the MouseRef-8 v2.0 BeadChip targets approximately 25,600 well-annotated RefSeq transcripts, over 19,100 unique genes, and enables the interrogation of 8 samples in parallel. The MouseRef-8 v2.0 BeadChip Kit uses the DirectHyb assay and is compatible with the iScan, HiScan, and Bead array reader systems. Result: The genes expression BeadChip array analysis showed that many genes have been expressed differentially between Rag2 KO and wild type mice spleen. These genes might be involved in the different biological and physiological processes including immune regulations. Conclusion: The differential genes expression profile will provide important insight about the immune deregulation in Rag2 KO mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE103230 | GEO | 2017/11/28

SECONDARY ACCESSION(S): PRJNA400590

REPOSITORIES: GEO

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Mus musculus

Project description:Profiling of transcripts expression in Rag2 KO and wild type mice spleen by BeadChip array analysis

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Profiling of miRNAs expression in Rag2 KO and wild type mice spleen by miRNA expression microarray analysis

Project description:Purpose: miRNAs are important fators that are involved in the regulation of at least one third of the total human genes and are involved in the regulation of different biological processes. The purpose of the study was to investigate the differential expression pattern of miRNAs in Rag2 KO mice spleen compared to its wild type counterpart. Methods: In this study, we have excised the spleen tissues from three Rag2 KO mice and three wild type mice, and then RNA samples were prepared with the spleen tissues for the analysis of miRNAs profiles using the Affymetrix Genechip miRNA 4.0 arrays. The Affymetrix Genechip miRNA 4.0 array offers an updated content without compromising the high performance as the previous-generation arrays, it also provides a comprehensive coverage that is designed to interrogate all mature miRNA sequences in miRBase Release 20, as well as an easily correlate miRNA results having analysis files contain host gene ID, predicted and validated miRNA target genes, and clustered miRNA information. Result: The miRNAs expression microarray analysis showed that many miRNAs have been expressed differentially between Rag2 KO and wild type mice spleen. These miRNAs might be involved in the different biological and physiological processes including immune regulations. Conclusion: miRNAs might be an active player during theprocess of immune regulation.

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Genome-wide analysis of Wild Type and Relb-/- MEFs

Project description:Recent studies indicated that the NF-kB RelB subunit may play roles beyond immune modulations. The molecular mechanism that may allow RelB to engage in such diverse physiological activities remains unclear. To better understand the RelB-driven transcriptome, therefore, we subjected wild type and Relb-/- mouse embryonic fibroblast (MEF) to microarray analyses using Illumina MouseRef-8 v2.0 Expression BeadChip. We propose that our transcroptomic analyses will help linking RelB to other important cellular pathways.

2022-05-25 | GSE176446 | GEO

Myeloid cell derived inducible nitric oxide synthase suppresses M1 macrophage polarization

Project description:Analysis of gene expression between WT and iNOS defecient M1 macrophage RNA microarray was performed using RNA isolated from M1 polarized macrophages from WT and iNOS deficient mice stimulated with LPS/IFNγ for 6 hours. Total RNA was extracted using a RNeasy plus kit (QIAGEN, Valencia, CA), and the array was performed on an Illumina MouseRef-8 v2.0 expression beadchip (Illumina, USA) by the Genomics Core Facility at the Mount Sinai School of Medicine.

2015-02-02 | E-GEOD-65436 | biostudies-arrayexpress

Genome-wide expression profiling in bone marrow-derived macrophage (BMM) cells upon RANKL treatment

Project description:To screen for altered gene expression during osteoclastogenesis, RANKL-treated BMM cells were subjected to gene expression profiling. BMM cells were treated with M-CSF and RANKL for 0, 1, 2 and 3 days. Total RNA was isolated and analyzed by gene expression microarray using the MouseRef-8 v2.0 Expression BeadChip.

2014-07-30 | E-GEOD-57468 | biostudies-arrayexpress

Gene expression analysis of the colon with and without DNA methyltransferase 1 (Dnmt1) inhibition

Project description:We performed gene expression microarray to assess the effects of reduced DNA methylation on global gene expression. Gene expression profiles of colonic mucosa from mice with two different genotypes (Dnmt1LO/LO and Dnmt1LO/LO, TgVillacIGY) were compared. Dnmt1 expression is repressed only in the Dnmt1LO/LO, TgVillacIGY mice. Total RNA was isolated from the colonic mucosa of four mouse, two biological replicates of each genotype in two technical relicates. Their gene expression profiles were obtained using the Illumina Ref-8 whole-genome expression BeadChip (MouseRef-8 v2.0). We processed our data using the Lumi Id and ReMOAT annotation data base (MouseWG-6 corresponding to GPL6887).

2011-04-14 | E-GEOD-28386 | biostudies-arrayexpress

Profiling of lncRNAs and protein-coding RNAs in colorectal cancer and of MYC-regulated lncRNAs and protein-coding RNAs

Project description:The Arraystar Human LncRNA Array v2.0 was designed for researchers who were interested in profiling both LncRNAs and protein-coding RNAs in human genome. 33,045 LncRNAs were collected from the authoritative data sources including RefSeq, UCSC knowngenes, Ensembl and many related literatures. This experiment is to profile lncRNAs and protein-coding RNAs using Arraystar Human LncRNA Array v2.0.

2013-09-20 | GSE39846 | GEO

Dynamic modeling of the murine oocyte and somatic cell metabolome during follicle development

Project description:Explore in vivo ovarian follicle transcriptomics from primordial follicles to the antral stage. Ovarian follicles were isolated from CD-1 mice. Entire ovaries were collected at post-natal day 3 and day 4 to collect primordial follicles. Primary follicles (70-90 µm in diameter), two-layered secondary follicles (100-130 µm), multi-layer secondary follicles (150‒180 µm), and pre-antral follicles (200‒300 µm) were mechanically isolated from post-natal day 10, 12, 16, and 18 ovaries, respectively. Antral follicles (400‒600 µm) were mechanically isolated from pregnant mare serum gonadotropin (PMSG)-treated mice ovaries at post-natal day 20. Follicles were then aspirated and combined per ovarian follicle maturation stage (e.g., primary, two-layered secondary). Three different samples were collected from each pooled follicular stage for transcriptomic analysis. RNA was purified and hybridized in MouseRef-8 v2.0 Expression BeadChip Kit (Illumina, San Diego, CA), as previously described (Skory, Bernabe et al., 2013).

2017-04-18 | GSE97902 | GEO

RNA Sequencing of WT, RAG2-KO, and RAG2-KO TCRbeta-Transduced CD4+CD8+ T-Cells Derived From Human Embryonic Stem Cells

Project description:T-cell development is predicated on the successful rearrangement of the T-cell receptor (TCR) gene loci, which encode for antigen-specific receptors that enable an immune response. Recombination Activating Gene (RAG) 2 is required for TCR gene rearrangements, which occur during specific stages of T-cell development. Here, we differentiated human pluripotent stem cells with a CRISPR/Cas9-directed deletion of the RAG2 gene (RAG2-KO) to elucidate the requirement for the TCRb chain in mediating b-selection during human T-cell development in vitro. In stark contrast to what is seen in mice, human RAG2-KO T-lineage progenitors progressed to the CD4+CD8+ double-positive (DP) stage in the absence of TCRb rearrangements. Nevertheless, RAG2-KO DPs retrovirally-transduced to ectopically express a rearranged TCRb chain showed increased survival and proliferation as compared to control-transduced RAG2-KO DPs. Furthermore, transcriptomic analysis showed that TCRb-transduced and control-transduced RAG2-KO DPs differed in gene pathways related to survival and proliferation. Our results provide new insights as to the distinct requirement for the TCRb chain during human T-cell development.

2021-03-18 | GSE164276 | GEO

Gene expression profile in the cochlear tissue of Cmah-null mouse

Project description:CMP-Neu5Ac hydroxylase (Cmah) disruption caused several abnormalities and diseases including hearing loss in old age. However, underling molecular mechanisms that give rise to age-related hearing loss (AHL) in Cmah-null mouse are still obscure. To identify differential gene expression profiles associated with Cmah disruption, we performed microarray analysis using Illumina MouseRef-8 v2 Expression BeadChip, using the cochlear tissues from a control mouse and a Cmah-null mouse. Total RNA was extracted and purified from the cochlear tissues of WT and Cmah-null mice using RNeasy columns (Qiagen; Valencia, CA, USA) according to the manufacturer’s protocol. The RNA quality was verified using an Agilent Bioanalyzer 2100 (Agilent Technologies; Palo Alto, CA, USA) using the RNA 6000 Pico Assay. Generation of double-stranded cDNA, preparation and labeling of cRNA, hybridization to Mouse Ref-8 v2.0 Expression BeadChip (Illumina, Inc.; San Diego, CA, USA), washing, and scanning were all performed according to the standard Illumina protocol. Arrays were scanned using the Illumina Bead Array Reader Confocal Scanner.

2015-07-10 | E-GEOD-70659 | biostudies-arrayexpress

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