Ontology highlight
ABSTRACT:
PROVIDER: PRJNA752377 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR15356343.fastq.gz | Fastqsanger.gz | |||
| SRR15356344.fastq.gz | Fastqsanger.gz | |||
| SRR15356345.fastq.gz | Fastqsanger.gz | |||
| SRR15356346.fastq.gz | Fastqsanger.gz | |||
| SRR15356347.fastq.gz | Fastqsanger.gz |
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Project description:Purpose: The numbers of Vg4+Vd4+gdT17 cells in skin-draining lymph nodes were significantly reduced in imiqimod-treated NF-kB1-/- mice compared to those in IMQ-treated WT mice. To address the mechanism of NF-kB1-mediated proliferation of Vg4+Vd4+gdT17 cells, we performed RNA-sequencing of Vg4+Vd4+gdT cells isolated from the draining lymph nodes. Method: Mice were treated daily with 50 mg of 5% imiquimod cream or sham cream on both ears for 4 days. Single cell suspensions were separated from cervical lymph nodes. Vg4+Vd4+gdT cells were isolated by a cell sorter. N=3 each. Results: Using an optimized data analysis workflow, 552 of the transcripts showed differential expression between the WT and NF-kB1 deficient mice after imiquiod treatment, with a fold change ≥2 and p value <0.05.
2021-06-25 | GSE178874 | GEO
Project description:Background: Ozone (O3) is the predominant oxidant air pollutant associated with respiratory inflammation, lung dysfunction, and worsening preexisting airway diseases. We previously determined that lack of NF-kB signlaing pathway suppressed lung injury and inflammation caused by O3 in mice. The current study was to determine transcriptome mechanisms orchestrated by NF-kB during the development of pulmonary O3 injury. Methods: To investigate the role of NF-kB1 pathway in lung gene expression changes, Nfkb1-deficient (Nfkb1-/-) and wild-type (Nfkb1+/+) mice were exposed to air or 0.3-ppm O3. Total RNAs were isolated from lung homogenates and cDNA microarray analyses were performed to elucidate NF-kB1-directed transcriptomics in basal lungs (air-exposed) as well as in the lung exposed to O3 (48 hr). Results: In air-exposed Nfkb1-/- lungs, leukocyte extravasation/adhesion and antigen presentation genes were overexpressed while immunity genes were suppressed, supporting the dual role of Nf-kB1 homodimer as a transcriptional repressor as well as transcriptional activator and the phenotype of Nfkb1-/- mice (defective response to infection and specific antibody production). After O3 exposure. Nfkb1-/- mice showed suppressed expression of lung cell cycle genes and enhanced expression of DNA damage checkpoint regulation pathway genes, compared to Nfkb1+/+ mice. Conclusion: Overall, deficiency of NF-kB1 in mouse lungs altered transcriptomes to protect lungs from O3-induced inflammation, cell proliferation, and DNA damages.
2021-09-29 | GSE166398 | GEO
Project description:We identified RNF123 (KPC1) ubiquitin E3 ligase is involved in glioblastoma progression through NF-kB-target SerpinE1. The goal of the RNA-Seq analysis is to determine the gene expression profile in LN18 cells overexpressing RNF123 compare to control empty vector (EV) cells. By integration of reverse-phase protein array (RPPA) and RNA-Seq data in glioblastoma cells, we determined NF-kB1-target genes that significantly changed by RNF123 overexpression.
2020-06-17 | GSE131400 | GEO
Project description:A shotgun metagenome microarray was created and used to investigate gene transcription during vinyl chloride (VC) dechlorination by a microbial enrichment culture called KB1. The array was constructed by spotting genomic fragments amplified from short-insert libraries of KB1 metagenomic DNA. Subsequently, the microarrays were interrogated with RNA extracted from KB1 during VC dechlorination (VC+methanol), and in the absence of VC (methanol-only). The most differentially expressed spots, and spots with the highest intensities, were then chosen to be sequenced. Sequencing revealed that Dehalococcoides (Dhc) genes involved in transcription, translation and energy generation were up-regulated during VC degradation. Furthermore, the results indicated that the reductive dehalogenase homologous (RDH) gene KB1rdhA14 is the only RDH gene up-regulated upon VC degradation, and that multiple RDH genes were more highly transcribed in the absence of VC. Numerous hypothetical genes from Dehalococcoides were also more highly transcribed in methanol only treatments and indicate that many uncharacterized proteins are involved in cell maintenance in the absence of chlorinated substrates. Spots with genes from Spirochaetes, Chloroflexi, Geobacter, Methanogens and phage organisms were differentially expressed and sequencing provided information from these uncultivated organisms that can be used to design primers for more targeted studies. This array format is powerful, as it does not require a priori sequence knowledge. This study provides the first report of such arrays being used to investigate transcription in a mixed community, and shows that this array format can be used to screen metagenomic libraries for functionally important genes. 2 Biological replicate experimens conducted 1 month apart. In the first there were 2 dye-swapped duplicates (total 4) of VC+MeOH versus MeOH only. In the second experiment there was one set of dye swapped arrays. Thus 6 arrays were performed including biological replicates, dye swapped replicates and technical duplicates.
2010-01-26 | E-GEOD-20041 | biostudies-arrayexpress
Project description:While BRCA-related cancers respond well to double-strand break (DSB) inducing agents, resistance is a serious clinical problem. One mechanism of resistance is reversion of the BRCA1 mutation, suggesting that BRCA1 function is required for resistance. Here we show that secondary Brca1 mutations are not always necessary, since residual activity of the mutant BRCA1 protein can be sufficient for tumor cells to withstand treatment. Genomic profiling and RAD51 foci formation are currently seen as potential biomarkers to stratify patients for therapies targeting homologous recombination deficiency (HRD). However, we show that while mouse mammary tumors with different Brca1 mutations have identical genomic profiles, they respond considerably different to HRD targeted therapy. It may therefore be useful to stratify patients according to functional assays and the underlying BRCA1 mutation. We performed aCGH on mammary tumor DNA from KB1(185stop)P (n=20), KB1(5382stop)P (n=20) and littermate KB1P (n=22). Spleen DNA of the same animal was used as control material.
2013-12-01 | E-GEOD-43997 | biostudies-arrayexpress
Project description:A shotgun metagenome microarray was created and used to investigate gene transcription during vinyl chloride (VC) dechlorination by a microbial enrichment culture called KB1. The array was constructed by spotting genomic fragments amplified from short-insert libraries of KB1 metagenomic DNA. Subsequently, the microarrays were interrogated with RNA extracted from KB1 during VC dechlorination (VC+methanol), and in the absence of VC (methanol-only). The most differentially expressed spots, and spots with the highest intensities, were then chosen to be sequenced. Sequencing revealed that Dehalococcoides (Dhc) genes involved in transcription, translation and energy generation were up-regulated during VC degradation. Furthermore, the results indicated that the reductive dehalogenase homologous (RDH) gene KB1rdhA14 is the only RDH gene up-regulated upon VC degradation, and that multiple RDH genes were more highly transcribed in the absence of VC. Numerous hypothetical genes from Dehalococcoides were also more highly transcribed in methanol only treatments and indicate that many uncharacterized proteins are involved in cell maintenance in the absence of chlorinated substrates. Spots with genes from Spirochaetes, Chloroflexi, Geobacter, Methanogens and phage organisms were differentially expressed and sequencing provided information from these uncultivated organisms that can be used to design primers for more targeted studies. This array format is powerful, as it does not require a priori sequence knowledge. This study provides the first report of such arrays being used to investigate transcription in a mixed community, and shows that this array format can be used to screen metagenomic libraries for functionally important genes.
2010-01-27 | GSE20041 | GEO
Project description:Lipomyces genome scale model based on the Lipomyces starkeyi NRRL-11557 genome.
Published in:
Genome-Scale Model Development and Genomic Sequencing of the Oleaginous Clade Lipomyces
Frontiers in Bioengineering and Biotechnology
Industrial Biotechnology
Volume 12 - 2024 | doi: 10.3389/fbioe.2024.1356551
2024-03-20 | MODEL2403190001 | BioModels
Project description:Rhodococcus erythropolis strain:kb1 Genome sequencing
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Project description:The nuclear factor kB (NF-kB) subunits RelA, RelB, c-Rel, p50 and p52 are each critical for B-cell development and function. To systematically characterize their responses to canonical and non-canonical NF-kB pathways activity, we performed ChIP-seq analysis in lymphoblastoid B-cells. We found a surprisingly complex NF-kB binding landscape, which did not readily reflect the two NF-kB pathway paradigm. Instead, ten subunit binding patterns were observed at promoters and eleven at enhancers. Surprisingly, nearly one-third of NF-kB binding sites lacked kB motifs. De novo motif finding uncovered distinct modes of NF-kB recruitment at these sites. The oncogenic forkhead box protein FOXM1 and NF-kB co-occupied many kB sites despite the absence of a FOXM1 DNA motif. FoxM1 knockdown decreased expression of key NF-kB targets and caused apoptosis. Our study highlights opportunities for selective therapeutic NF-kB blockade. ChIP-seq was used to define the genomic landscape of NF-kB DNA binding in lymphoblastoid cells.
2014-08-29 | E-GEOD-55105 | biostudies-arrayexpress
Project description:Sporomusa sp. KB1 Genome sequencing and assembly
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