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Transcription profiling of mouse cultured retinal endothelial cells - regulation by Norrin-Frizzled4 signaling (Super Series)

ABSTRACT: This SuperSeries is composed of the following subset Series:; GSE16691: Transcriptional regulation by Norrin-Frizzled4 signaling in the embryonic yolk sac; GSE16703: Long-term effect on the transcriptome of a decrement in Norrin/Frizzled4/Lrp signaling in retinal endothelial cells; GSE16705: Transcriptional response to Frizzled4 signaling in cultured retinal endothelial cells; GSE16707: Long-term effect on the transcriptome of loss of Frizzled4 signaling in cerebellar endothelial cells Experiment Overall Design: Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: Xin Ye

PROVIDER: E-GEOD-16841 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcription profiling of mouse decrement in Norrin/Frizzled4/Lrp signaling in retinal endothelial cells

Project description:To characterize the long-term effect on the transcriptome of a decrement in Norrin/Fz4/Lrp signaling, microarray hybridization was performed with RNA from acutely dissociated and anti-PECAM immunoaffinity-purified adult WT, Fz4-/-, Lrp5-/-, and Norrin- retinal vascular cells. Experiment Overall Design: Retinal endothelial cells from 5-10 adult mice were pooled for each sample, the cell immuno-purification procedure follows that described by Matsubara et al. (2000) and Su et al. (2003). 3 replicates of each mutant and 6 replicates of control wild type animals were analyzed.

2009-10-10 | E-GEOD-16703 | biostudies-arrayexpress

Long-term effect on the transcriptome of a decrement in Norrin/Frizzled4/Lrp signaling in retinal endothelial cells

2009-10-01 | GSE16703 | GEO

Transcription profiling of mouse Frizzled4 signaling in cultured retinal endothelial cells

Project description:Transcriptional profiles of Fz4-/- retinal endothelial cells were compared to that of wild type endothelial cells under various culture conditions. The goal was to identify the transcriptional response to Frizzled 4 signaling in cultured retinal endothelial cells. To analyze the Norrin response of WT and Fz4-/- retinal endothelial cells in culture, we co-cultured these cells either with HEK293 cell line that stably expresses Norrin or with control 293 cells. Experiment Overall Design: To isolate the requisite retinal endothelial cell lines, we crossed Fz4-/- and control animals into the Immorto-mouse line in which a gamma interferon responsive H2Kb promoter directs the expression of a temperature sensitive SV40 large T-antigen (Jat et al., 1991). When cultured at 33°C in the presence of gamma interferon, this conditional oncogene system extends the proliferative capacity of a variety of cell types, which can be subsequently analyzed under phenotypically reverting conditions (37°C without gamma interferon). The cell immuno-purification procedure follows that described by Matsubara et al. (2000) and Su et al. (2003). The purified cells were then cultured and passaged at 33°C on dishes coated with 1% gelatin. For RNA preparation, cells were cultured at 37°C in the absence of interferon gamma. For the Matrigel experiments, endothelial cells previously starved for 24 hrs in DMEM with 1% FBS were trypsinized and plated on the Matrigel layer. The cells were incubated in DMEM with 1% FBS for 6 hours at 37°C before harvesting for RNA extraction. For the 293 cell co-culture experiments, endothelial cells were co-cultured with a human embryonic kidney (HEK) 293 cell line that stably expresses Norrin, or with control 293 cells.

2009-10-10 | E-GEOD-16705 | biostudies-arrayexpress

Mus musculus

Project description:Long-term effect on the transcriptome of a decrement in Norrin/Frizzled4/Lrp signaling in retinal endothelial cells

| PRJNA122803 | ENA

Long-term effect on the transcriptome of loss of Frizzled4 signaling in cerebellar endothelial cells

Project description:Transcriptional profiles of the cerebellar endothelial cells from P16 Fz4-/- animals were compared to their wild type littermate controls. The goal is to characterize the long-term effect on the transcriptome of loss of Fz4 signaling in cerebellar endothelial cells. Endothelial cells were immuno-purification from P16 cerebellum using anti-PECAM antibody coated dynabeads. The cell immuno-purification procedure follows that described by Matsubara et al. (2000) and Su et al. (2003). 3 replicates of both wild type and Fz4-/- cerebellar endothelial cells were analyzed.

2009-10-01 | E-GEOD-16707 | biostudies-arrayexpress

Transcription profiling of mouse embryonic yolk sac from embryos with ectopic Norrin expression compared to wild type littermate controls

Project description:Transcriptional profiles of the embryonic yolk sac from embryos with ectopic Norrin expression were compared to their wild type littermate controls. The goal is to identify the transcriptional response to Norrin-Frizzled 4 signaling during embryonic angiogenesis. Experiment Overall Design: Ectopic Norrin expression was achieved using a conditional over-expression strategy. Yolk sacs from 3-5 embryos were pooled for each sample and 3 replicates of both control and experimental groups were analyzed.

2009-10-10 | E-GEOD-16691 | biostudies-arrayexpress

Transcriptional response to Frizzled4 signaling in cultured retinal endothelial cells

2009-10-01 | GSE16705 | GEO

Glutamatergic neuronal activity regulates retinal angiogenesis and blood-retinal barrier via Norrin/b-catenin signaling

Project description:Interactions among neuroglial and vascular components are crucial for retinal angiogenesis and blood-retinal barrier (BRB) maturation. Neuronal synaptic dysfunctions precede vascular abnormalities in many retinal pathologies. However, whether neuronal activity, specifically glutamatergic activity, regulates retinal angiogenesis and BRB maturation remains unclear. Using in vivo genetic studies in mice, single-cell RNA-sequencing and functional validation, we found that deep plexus angiogenesis and paracellular BRB maturation are delayed in Vglut1-/- retinas, where neurons fail to release glutamate. In contrast, deep plexus angiogenesis and paracellular BRB maturation are accelerated in Gnat1-/- retinas, where constitutively depolarized rods release excess glutamate. Mechanistically, Norrin expression and endothelial Norrin/b-catenin signaling are downregulated in Vglut1-/- retinas, and upregulated in Gnat1-/- retinas. Pharmacological activation of endothelial Norrin/ b-catenin signaling in Vglut1-/- retinas rescued both deep plexus angiogenesis and paracellular BRB integrity. Thus, our findings demonstrate that glutamatergic neuronal activity regulates retinal angiogenesis and BRB maturation by modulating Norrin/b-catenin signaling.

2024-06-27 | GSE235993 | GEO

mRNA expression in HEK-293 /STF cells

Project description:Canonical Wnt signaling in endothelial cells (ECs) is required for vascularization of the central nervous system (CNS) and for formation and maintenance of barrier properties unique to CNS vasculature. Gpr124 is an orphan member of the adhesion G-protein-coupled receptor family that is expressed in ECs and is essential for CNS angiogenesis and barrier formation via an unknown mechanism. Using canonical Wnt signaling assays in cell culture and genetic loss- and gain-of-function experiments in mice, we show that Gpr124 functions as a co-activator of Wnt7a- and Wnt7b-stimulated canonical Wnt signaling via a Frizzled receptor and Lrp co-receptor, and that Gpr124-stimulated signaling functions in concert with Norrin/Frizzled4 signaling to control CNS vascular development. These experiments identify Gpr124 as a ligand-specific co-activator of canonical Wnt signaling. Total mRNA from HEK-293/STF cells was subjected to RNAseq

2014-08-20 | E-GEOD-60529 | biostudies-arrayexpress

Transcription profiling of mice mutant for prCAD vs BALBC after dark adaption or retinal damage to investigate the genomic response to retinal disease and injury.

Project description:This SuperSeries is composed of the following subset Series:; GSE10528: The retinal transcriptional response to light damage; GSE10535: Retinal transcripts level alteration in the prCAD -/- mouse, a model for retinal degeneration Experiment Overall Design: Refer to individual Series

2008-04-07 | E-GEOD-10577 | biostudies-arrayexpress

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