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Probing pathways by which rhynchophylline modifies sleep using spatial transcriptomics

ABSTRACT: Here, we investigated the effects of Rhynchophylline (RHY) on the mouse brain spatial transcriptome. More precisely, we injected male and female mice intraperitoneally with either saline (NaCl) or RHY, either at Zeitgeber time (ZT referring to time in hour after light onset) 0 or at ZT0 and ZT11. Brains were sampled at ZT4 or ZT14, respectively, and immediately frozen embedded in OCT. Brains were treated and libraries were prepared according to 10x Genomics protocols for Visium Spatial Gene Expression. Sequencing was conducted by Genome Quebec (Montreal, Quebec, Canada). Findings reveal molecular routes by which RHY acts on the brain in a sleep-relevant context. Please cite the original paper when using these data (Ballester Roig et al., Biol Direct, 2023).

ORGANISM(S): Mus musculus

PROVIDER: GSE217058 | GEO | 2023/05/05

REPOSITORIES: GEO

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Probing pathways by which rhynchophylline modifies sleep using spatial transcriptomics (additional files)

Project description:Here, we investigated the effects of Rhynchophylline (RHY) on the mouse brain spatial transcriptome. More precisely, we injected male and female mice intraperitoneally with either saline (NaCl) or RHY, either at Zeitgeber time (ZT referring to time in hour after light onset) 0 or ZT0 and ZT11. Brains were sampled at ZT4 or ZT14, respectively, and immediately frozen embedded in OCT. Brains were treated and libraries were prepared according to 10x Genomics protocols for Visium Spatial Gene Expression. Sequencing was conducted by Genome Quebec (Montreal, Quebec, Canada). Findings reveal molecular routes by which RHY acts on the brain in a sleep-relevant context. Please cite the original paper when using these data (Ballester Roig et al., Biol Direct, 2023) and see also the submission GSE217058.

2023-05-05 | GSE218537 | GEO

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Advanced Endo-therapeutic Procedure : Registry-based Observational Study

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Whole-genome expression data from purified larval Drosophila LNv pacemaker neurons

Project description:We generated whole genome expression profiles from a homogeneous population of purified pacemaker neurons (ventral Lateral Neurons, LNvs) from wild type and clock mutant Drosophila. The study identifes a group of genes whose expression is highly enriched in LNvs compared to other neurons; and a second group of genes rhythmically expressed in LNvs in a clock-dependent manner. Drosophila larval brains (L3 stage) were taken from a 12:12hr light entrainment regime and dissected at ZT-3 or ZT-15. Larvae contained either Pdf-Gal4:UAS-GFP transgenes or Pdf-RFP to label the 8 LNvs pacemaker neurons per brain, allowing purification by flow cytometry. Brains were dissociated and LNvs purified by FACS, followed by RNA amplification and hybridization on Affymetrix microarrays.

2012-05-31 | E-GEOD-35752 | biostudies-arrayexpress

BIN-67 small cell ovarian carcinoma SNP array

Project description:The biology of small cell ovarian carcinoma of the hypercalcemic type (SCCOHT), which is a rare and aggressive form of ovarian cancer, is poorly understood. Tumourigenicity, in vitro growth characteristics, genetic and genomic anomalies, and sensitivity to standard and novel chemotherapeutic treatments were investigated in the unique SCCOHT cell line, BIN-67, to provide further insight in the biology of this rare type of ovarian cancer. Chromosomal anomalies in BIN-67 cells were inferred using the Infinium? genotyping technology with the HumanHap300-Duo Genotyping BeadChip (Illumina, San Diego, CA, USA). This BeadChip contains about 318,000 genetic markers within approximately a 5 kb median SNP spacing. Genotyping and imaging using BeadStudio Data Analysis software (Illumina, San Diego, CA, USA) were performed at the McGill University and Genome Quebec Innovation Centre (Montreal, QC).

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Next Generation Sequencing Facilitates Quantitative Analysis of Wild Type (WT) and E4BP4 Overexpressed Liver Transcriptomes

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Integrated omic analysis reveals multilevel control of renal and systemic metabolism by the renal tubular circadian clock

Project description:Circadian rhythmicity in renal function suggests a requirement for circadian adaptations in renal metabolism. We studied circadian changes in renal metabolic pathways using integrated transcriptomic, proteomic and metabolomic analysis performed on control mice and mice deficient in the circadian clock gene Bmal1 in the renal tubule (cKOt mice). Proteins were extracted from whole kidneys of 60 mice. Of these, 30 were conditional knockouts of Arntl (Bmal1) and 30 were of control genotype. They were housed under 12-hours light/12-hours dark cycles and were sacrificed at six different time points: zeitgeber time ZT 0, ZT 4, ZT 8, ZT 12, ZT 16, ZT 20 ( ZT 0 being the time of light on and ZT 12 the time of light off). Five replicates per genotype and time point were analysed.

2023-03-15 | PXD036803 | Pride

BIN-67 small cell ovarian carcinoma Expression array

Project description:The biology of small cell ovarian carcinoma of the hypercalcemic type (SCCOHT), which is a rare and aggressive form of ovarian cancer, is poorly understood. Tumourigenicity, in vitro growth characteristics, genetic and genomic anomalies, and sensitivity to standard and novel chemotherapeutic treatments were investigated in the unique SCCOHT cell line, BIN-67, to provide further insight in the biology of this rare type of ovarian cancer. Microarray expression analysis was performed using the GeneChip? Human Genome U133 Plus 2.0 Array (Affymetrix?, Santa Clara, CA) with total RNA from BIN-67 cells. Hybridization and scanning were performed at the McGill University and Genome Quebec Innovation Centre (Montreal, QC). Gene expression levels were determined from the scanned images using Affymetrix? Microarray Suite (MAS) version 5.0 software expression algorithm (Affymetrix?, Santa Clara, CA). Gene expression profiles were compared with Affymetrix U133 Plus 2.0 (MAS5.0) generated expression profiles (similarly normalized) from 10 human normal ovarian surface epithelial (OSE) cell brushings available in the ArrayExpress database (www.ebi.ac.uk/arrayexpress/), accession number E-GEOD-18520.

2013-09-24 | E-MEXP-3872 | biostudies-arrayexpress

Identification of ETV6 bound protein by affinity purification of ETV6-HA fusion protein in REH cells

Project description:To determine the protein partners of ETV6, we expressed ETV6 and HA-tagged ETV6 in Reh pre-B leukemic cells. Anti-HA magnetic beads were used for affinity purification of ETV6-HA (and ETV6 control) from the nuclear and cytoplasmic fraction. Following purification on-beads digest and LC-MS/MS experiments were performed at the Proteomics platform of the CHU de Quebec Research Center, Quebec, Canada.

2022-01-26 | PXD031001 | Pride

Proteomic investigation of whole cortex and synaptosomes from rats with a familial Parkinson’s G51D mutation in the Snca gene.

Project description:The glycine-51 (G51) codon in exon 3 of the rat Snca gene, encoding alpha-synuclein, was mutated to aspartic acid using CRISPR/Cas9 to generate the SncaG51D rat model of Parkinson’s (Morley et al. 2023). The G51D mutation causes an aggressive form of Parkinson’s and dementia with Lewy bodies in humans. The brains from four 6-month old rats of wild-type, heterozygous, and homozygous genotypes (Snca+/+, SncaG51D/+ and SncaG51D/G51D) were harvested and all 12 brains were bisected down the midline. Frontal cortex was isolated from one half, and synaptosomes were prepared from the other half. Following quality control the samples were processed for TMT-mass spectrometry by the Fingerprints Facility, University of Dundee. MaxQuant Version 1.6.0.16 was used for the assignment of peptides to protein using the uniport-rat-jan2018.fasta file. Pairwise comparisons were made between the different mutant samples and Snca+/+ for both the cortical and synaptosome samples. Morley V, Dolt KS, Alcaide-Corral CJ, Walton T, Lucatelli C, Mashimo T, Tavares AAS & Kunath T (2023) In vivo18F-DOPA PET imaging identifies a dopaminergic deficit in a rat model with a G51D α-synuclein mutation. Front. Neurosci. 17, 1095761.

2024-09-04 | PXD044776 | Pride

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