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Gallus gallus breed:leghorn

ABSTRACT: Transcriptome profiling of chicken embryonic cranial sensory ganglia FACS-purified neurons

PROVIDER: PRJNA308865 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3104420_1.fastq.gz	Fastqsanger.gz
	SRR3104420_2.fastq.gz	Fastqsanger.gz
	SRR3104430_1.fastq.gz	Fastqsanger.gz
	SRR3104430_2.fastq.gz	Fastqsanger.gz
	SRR3104401_1.fastq.gz	Fastqsanger.gz

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Mus musculus

Project description:Expression data from FACS purified nociceptor neurons from peripheral sensory ganglia

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Expression data from FACS purified nociceptor neurons from peripheral sensory ganglia

Project description:The goal of this study was to analyze global gene expression in specific populations of nociceptor sensory neurons, the neurons that detect damaging/noxious stimuli. The dorsal root ganglia (DRG), trigeminal ganglia, and nodose ganglia are anatomically distinct peripheral sensory ganglia that contain nociceptors which innervate skin, gut, lungs, and other distinct organ tissues. We used flow cytometry to purify nociceptors from these ganglia and profiled their global gene expression signatures to compare gene expression between these different anatomically distinct nociceptors. Nav1.8-Cre were bred with Rosa26-TdTomato to generate Nav1.8-Cre/R26-TdTomato reporter progeny, where all peripheral nociceptor neurons are genetically marked with red fluroescence due to specific expression of the TTX- resistant sodium channel Nav1.8. Lumbar region dorsal root ganglia (DRG), trigeminal ganglia, and nodose ganglia were dissected from mice (3 mice were pooled/sample). Highly red fluorescent neurons were Facs purified, RNA extracted, and processed for microarray analysis.

2013-08-28 | E-GEOD-46546 | biostudies-arrayexpress

Transcription profiling of mouse spinal and trigeminal sensory ganglia of Brn3a knockout and wild type mice reveals conserved and distinct regulatory targets of Brn3a at different levels of the sensory axis

Project description:General somatic sensation is conveyed to the central nervous system at cranial levels by the trigeminal ganglion (TG), and at spinal levels by the dorsal root ganglia (DRG). Although these ganglia have similar functions, they have distinct embryological origins, in that both contain neurons originating from the neural crest, while only the TG includes cells derived from the placodal ectoderm. Here we use microarray analysis of E13.5 embryos to demonstrate that the developing DRG and TG have very similar overall patterns of gene expression. In mice lacking the POU-domain transcription factor Brn3a the DRG and TG exhibit many common changes in downstream gene expression, but a subset of genes show increased expression only at cranial levels. Although silent in wild-type ganglia, the promoter regions of genes which are activated in the absence of Brn3a also exhibit increased histone H3-acetylation at levels similar to constitutively transcribed gene loci, and this H3-acetylation is tissue-specific for genes which are increased only in the TG. These results demonstrate that one developmental role of Brn3a is to repress potential differences in gene expression between sensory neurons generated at different axial levels, and to regulate a convergent program of developmental gene expression, in which functionally similar populations of neurons are generated from different embryological substrates. Experiment Overall Design: Microarrays used to compare the patterns of gene expression in the dorsal root ganglia and trigeminal ganglia of Brn3a knockout and wild-type mice. Embryonic day 13.5 (E13.5) was chosen because at this point in development mutant mice exhibit major defects in sensory axon growth, but have yet to undergo the period of extensive sensory neuron death associated with later stages.

2008-06-14 | E-GEOD-5658 | biostudies-arrayexpress

FACS purified Nav1.8 lineage sensory neuron whole transcriptome changes following peripheral inflammation (CFA) or sciatic nerve injury (SNI).

Project description:The goal of this study was to analyze global gene expression in FACS purified Nav1.8 lineage sensory neurons, which include nociceptor neurons that detect damaging/noxious stimuli, following peripheral inflammation by intraplantar injection of Complete Freund's Adjuvant (CFA) or Sciatic Nerve Injury (SNI) by nerve transection. Nav1.8 Trangsgenic TdTomato+ neurons were purified from Lumbar L4-L6 dorsal root ganglia (DRG) by flow cytometry from mice on the ipsilateral or contralateral sides, following Complete Freund's Adjuvant injection (day 1) or sciatic nerve transection (day 5). Neurons were then analyzed for transcriptional gene expression by microarray analysis.

2023-01-30 | GSE221834 | GEO

Gallus gallus breed:White Leghorn

Project description:Mapping of transcription initiation in the chicken genome by RAMPAGE

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Gallus gallus strain:Leghorn

Project description:Transcriptional profile of migrating cranial neural crest cells

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Gallus gallus breed:Inbred White Leghorn

Project description:Gene expression profile for chicken of varying background following vvIBDV infection

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The transcriptome of TRPV1-positive sensory neurons revealed by subgroup-elimination transcriptomics

Project description:We developed an approach to rapidly eliminate the subgroup of sensory neurons expressing the heat-gated cation channel TRPV1 from dissociated rat sensory ganglia using agonist treatment followed by density centrifugation. To identify transcripts predominantly expressed in TRPV1-positive neurons, we compared the transcriptome of all cells within sensory ganglia versus all cells without TRPV1 expressing neurons using RNA-Seq.

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Mus musculus

Project description:FACS purified cortical projection neurons

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Npr2-mediated cGMP signalling modulates S-palmitoylation and controls growth cone morphology of DRG neurons

Project description:A cGMP signalling cascade composed of the ligand C-type natriuretic peptide (CNP), the natriuretic peptide receptor 2 (Npr2) and the cGMP-dependent kinase Iα (cGKI) is implicated by growth cone splitting in the bifurcation of afferents from dorsal root ganglia (DRG), cranial sensory ganglia (CSG) and mesencephalic trigeminal neurons (MTN). To get further mechanistic insights into the process of axon bifurcation we applied different cell culture approaches to decipher downstream activities of cGKI in somatosensory growth cones. We demonstrate that CNP induces an enlargement of DRG growth cones via cGKI which can be blocked or stimulated by pharmacological reagents that interfere with S-palmitoylation. cGKI colocalizes primarily in the central domain of the growth cone with the palmitoylome and vesicular structures including the endoplasmic reticulum, early endosomes, lysosomes and in the soma in the Golgi apparatus. Consistently, an acyl-biotin-exchange chemistry-based screen indicated that cGMP signalling regulates S-palmitoylation of a restricted pool of proteins in the DRG-derived cell line F11.

2018-10-18 | PXD010326 | Pride

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