Sorting U2OS and HeLa cells genetically modified with the Fucci System allowed us to separate cells according to cell cycle progression followed by RNA Sequencing to characterize the oscillating transcriptome in cells without the need for chemical synchronization. Overall design: HeLa cells were sorted at three timepoints, while U2OS cells were sorted at two timepoints. Each time into three groups, categorized as "G1", "S", and "G2".
Comparative cell cycle transcriptomics reveals synchronization of developmental transcription factor networks in cancer cells.
Cell line, Subject
View SamplesTo understand the molecular mechanisms of human lung macrophage development, function, and role in BPD pathogenesis, we conducted a clinical study using isolated tracheal aspirate macrophages from intubated preterm infants born before 30 wk gestation. One hundred twenty-eight patients intubated for respiratory distress syndrome and surfactant administration were consented for the study.
Transcriptional profiling of lung macrophages identifies a predictive signature for inflammatory lung disease in preterm infants.
Sex, Treatment
View SamplesCells located at the invasive front and in the tumor mass of mouse cervical squamous cell carcinomas were isolated by laser microdissection from hematoxylin-stained HPV/E2 sections. 7 months old HPV/E2 mice treated with oestrogen develop invasive cervical squamous cell carcinomas. This model recapitulates human invasive cervical neoplasias.
Inflammatory Cytokines Induce Podoplanin Expression at the Tumor Invasive Front.
Specimen part
View SamplesEffect of the ablation of connexin 30 in the stria vascularis
Connexin30 deficiency causes instrastrial fluid-blood barrier disruption within the cochlear stria vascularis.
Age, Specimen part, Disease, Time
View SamplesCellular function is strongly dependent on surrounding cells and environmental factors. Current technologies are limited in characterizing the spatial location and unique gene-programs of cells in less structured and dynamic niches. Here we developed a method (NICHE-seq) that combines photoactivatable fluorescent reporters, two-photon microscopy and single-cell RNA-seq to infer the cellular and molecular composition of niches. We applied NICHE-seq to examine the high-order assembly of immune cell networks. NICHE-seq is highly reproducible in spatial tissue reconstruction, enabling identification of rare niche-specific immune subpopulations and unique gene-programs, including natural killer cells within infected B cell follicles and distinct myeloid states in the marginal zone. This study establishes NICHE-seq as a broadly applicable method for elucidating high-order spatial organization of cell types and their molecular pathways. Overall design: Transcriptional profiling of single cells from the specific immune niches in the lymph node and spleen, generated from deep sequencing of tens of thousands of cells, sequenced in several batches on illumina Nextseq500
Spatial reconstruction of immune niches by combining photoactivatable reporters and scRNA-seq.
Specimen part, Cell line, Treatment, Subject
View SamplesWe used microarrays to detail the global programme of gene expression underlying the effect of sleep deprivation in the mouse hippocampus and identified distinct classes of regulated genes during this process.
Genomic analysis of sleep deprivation reveals translational regulation in the hippocampus.
Age, Specimen part, Treatment
View SamplesStrategies to enhance islet b-cell survival and regeneration while refraining inflammation through manipulation of molecular targets would provide means to stably replenish the deteriorating functional b-cell mass detected in both Type 1 and Type 2 Diabetes Mellitus (T1DM and T2DM). Herein we report that over expression of the islet enriched transcription factor Pax4 refrains development of hyperglycemia in the RIP-B7.1 mouse model of T1DM through reduced insulitis, decreased b-cell apoptosis correlating with diminished DNA damage and increased proliferation. Transcriptomics revealed up regulation of genes involved in immunomodulation, cell cycle and ER homeostasis in islets over expressing Pax4 as compared to the T2DM-linked mutant variant Pax4R129W. Pax4 but not Pax4R129W protected islets from thapsigargin-mediated ER-stress apoptosis. Collectively, Pax4 is a critical signaling hub coordinating regulation of distinct molecular pathways resulting in improved b-cell fitness whereas Pax4R129W sensitizes to death under stress. More importantly we highlight potential common pharmacological targets for the treatment of DM.
PAX4 preserves endoplasmic reticulum integrity preventing beta cell degeneration in a mouse model of type 1 diabetes mellitus.
Age, Specimen part, Treatment
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Tissue-specific signals control reversible program of localization and functional polarization of macrophages.
Sex, Specimen part, Treatment
View SamplesTissue macrophages from peritoneal cavity, lung, liver, spleen, small intestine and adipose tissue and M-CSF derived bone marrow derived macrophages (BMDMs) were determined for gene expression.
Tissue-specific signals control reversible program of localization and functional polarization of macrophages.
Sex, Specimen part
View SamplesAnalysis of whole genome expression changes in livers from wild type animals and animals with a liver specific transgenic over expression of Cyp7a1. Mice were given a chronic, repetitive administration of LPS for 7 days. Our prior analysis had indicated that inflammation suppresses Cyp7a1 and that this leads to accumulation of intermediates in the mevalonate biosynthesis pathway. Here, we hypothesized that over expression of Cyp7a1 would not affect the changes in transcriptional state due to chronic administration of LPS. We provide gene expression data which evaluates this question. Here we find that over expression of Cyp7a1 minimally alters the transcriptome of livers in an untreated state, and that it has small effects on the response to chronic LPS. Overall design: Total RNA isolated from livers of wild type and liver specific Cyp7a1 transgenic animals treated with or without recurrent, daily LPS injections (1.5mg/kg) for 7 days. There are two biological replicates per condition. Samples are a matrix of all conditions reported as FPKMs.
The Effect of Sustained Inflammation on Hepatic Mevalonate Pathway Results in Hyperglycemia.
Sex, Specimen part, Cell line, Subject
View Samples