High throughput massively parallel sequencing on mRNA libraries generated from cortices of bexarotene or vehicle treated APP/PS1 Overall design: Read counts analyzed for differential gene expression using edgeR
RNA-sequencing reveals transcriptional up-regulation of Trem2 in response to bexarotene treatment.
Specimen part, Cell line, Subject
View SamplesWe examined the impact of Abca1 deficiency and APOE isoform expression on the response to TBI using 3-months-old, human APOE3+/+ (E3/Abca1+/+) and APOE4+/+ (E4/Abca1+/+) targeted replacement mice, and APOE3+/+ and APOE4+/+ mice with only one functional copy of the Abca1 gene (E3/Abca1+/-; E4/Abca1+/-). TBI-treated mice received a craniotomy followed by a controlled cortical impact (CCI) brain injury in the left hemisphere; sham-treated mice received the same surgical procedure without the impact. We performed RNA-seq using samples from cortices and hippocampi collected at 14 days post-injury, followed by genome-wide differential gene expression analysis. Overall design: We used 3-months-old, human APOE3+/+ (E3/Abca1+/+) and APOE4+/+ (E4/Abca1+/+) targeted replacement mice, and APOE3+/+ and APOE4+/+ mice with only one functional copy of the Abca1 gene (E3/Abca1+/-; E4/Abca1+/-). Groups consisted of 6-8 animals of both genders. TBI-treated mice received a craniotomy followed by a controlled cortical impact (CCI) brain injury in the left hemisphere; sham-treated mice received the same surgical procedure without the impact. We performed RNA-seq using samples from cortices and hippocampi collected at 14 days post-injury from 58 samples, followed by genome-wide differential gene expression analysis.
ABCA1 haplodeficiency affects the brain transcriptome following traumatic brain injury in mice expressing human APOE isoforms.
Sex, Treatment, Subject
View SamplesTwo 96-well plates per genotype wild type and Myd88 knockout, 4 hour time series in 0.5 hr increments Overall design: Myd88 BMDM transcriptional profiling to complement TF-seq data
Simultaneous Pathway Activity Inference and Gene Expression Analysis Using RNA Sequencing.
Sex, Age, Specimen part, Cell line, Treatment, Subject, Time
View SamplesBone marrow derived macrophages treated with small molecules and stimulated with LPS Overall design: Wild-type BMDMs pretreated with small molecules for 30 minutes prior to stimulation with LPS
Simultaneous Pathway Activity Inference and Gene Expression Analysis Using RNA Sequencing.
Sex, Age, Specimen part, Cell line, Treatment, Subject, Time
View SamplesBone marrow derived macrophages treated with small molecules and stimulated with LPS Overall design: Wild-type BMDMs pretreated with small molecules for 30 minutes prior to stimulation with LPS
Simultaneous Pathway Activity Inference and Gene Expression Analysis Using RNA Sequencing.
Sex, Age, Specimen part, Cell line, Treatment, Subject
View SamplesTherapeutic hypothermia is a clinically effective treatment for various hypoxic and ischemic conditions, but the associated molecular mechanisms remain unclear. To gain insight into hypothermia-induced transcriptional response, mouse embryonic fibroblasts were exposed to mild hypothermia (32C) or normothermia (37C) for increasing time periods. We aimed to identify genes with temporally near-monotonic response as the most obvious candidates for mediating the therapeutic effects of hypothermia.
Estimating differential expression from multiple indicators.
Specimen part, Time
View SamplesTranscriptional profiling of murine dendritic cells stimulated with LPS and IFNg after shRNA knockdown of redox regulators. Overall design: shRNA targeting redox regulators were delivered to bone marrow derived dendritic cells. Cells were stimulated with LPS and IFNg prior to transcriptional profiling by RNAseq over a time course. Each sample sequenced on two Illumina lanes.
Nitric Oxide Engages an Anti-inflammatory Feedback Loop Mediated by Peroxiredoxin 5 in Phagocytes.
Specimen part, Treatment, Subject
View SamplesGenome control is operated by transcription factors (TF) controlling their target genes by binding to promoters and enhancers. Conceptually, the interactions between TFs, their binding sites, and their functional targets are represented by gene regulatory networks (GRN). Deciphering in vivo GRNs underlying organ development in an unbiased genome-wide setting involves identifying both functional TF-gene interactions and physical TF-DNA interactions. To reverse-engineer the GRN of eye development in Drosophila, we performed RNA-seq across 72 genetic perturbations and sorted cell types, and inferred a co-expression network. Next, we derived direct TF-DNA interactions using computational motif inference, ultimately connecting 241 TFs to 5632 direct target genes through 24926 enhancers. Using this network we found network motifs, cis-regulatory codes, and new regulators of eye development. We validate the predicted target regions of Grainyhead by ChIP-seq and identify this factor as a general co-factor in the eye network, being bound to thousands of nucleosome-free regions. Overall design: RNA-seq gene expression profiling across Drosophila 3rd instar larval wild type tissues (brain, eye-antennal and wing discs), specific cell types from the eye-antennal disc, sorted by FACS, and genetic perturbations (TF mutants, TF over-expression, and TF RNAi knockdown).
Mapping gene regulatory networks in Drosophila eye development by large-scale transcriptome perturbations and motif inference.
Specimen part, Subject
View SamplesThis study shows that the TLR4/MyD88 pathway in intestinal mesenchymal cells promotes intestinal carcinogenesis in the APCmin mouse model. Overall design: 3' RNA-Seq (QuantSeq) profiling of ColVIcre+ wt and MyD88 knockout primary mouse intestinal mesenchymal cells before and after treatment with LPS for 6 hours. 3 replicates per group.
Innate Sensing through Mesenchymal TLR4/MyD88 Signals Promotes Spontaneous Intestinal Tumorigenesis.
Specimen part, Cell line, Treatment, Subject
View SamplesThe wheat gene Lr34 confers partial resistance to all races of Puccinia triticina, the causal agent of wheat leaf rust. However, the biological basis for the exceptional durability of Lr34 is unclear. The Affymetrix wheat genome array was used to identify wheat genes differentially expressed in a compatible interaction (Tc), an R-gene mediated incompatible interaction (Tc-Lr1), and a race non-specific resistance interaction (Tc-Lr34) in response to infection challenge by P. triticina race 1 at anthesis. Transcriptome interrogation was conducted by comparing mock- and P. triticina-inoculated leaves harvested at 3 and 7 days post inoculation (dpi).
Lr34-mediated leaf rust resistance in wheat: transcript profiling reveals a high energetic demand supported by transient recruitment of multiple metabolic pathways.
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