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RNA-seq profiling of Hoxa2/Hoxb2 mutants versus wild type in Math1 positive cells from the Cochlear Nucleus

ABSTRACT: Differential gene expression was analyzed for FACS sorted Math1::Cre; ROSA-tdTomato from hand dissected cochlear nuclei of wild type and Hoxa2/Hoxb2 mutant mice

ORGANISM(S): Mus musculus

PROVIDER: GSE64092 | GEO | 2016/11/23

SECONDARY ACCESSION(S): PRJNA270100

REPOSITORIES: GEO

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Mus musculus

Project description:RNA-seq profiling of Hoxa2/Hoxb2 mutants versus wild type in Math1 positive cells from the Cochlear Nucleus

| PRJNA270100 | ENA

Intrinsic regenerative potential of murine cochlear supporting cells

Project description:P3 Math1-nGFP mouse cochlear sensory epithelia, consisting of greater and lesser epithelial ridges (GER & LER) including the organ of Corti with nGFP-positive hair cells, were dissected, dissociated into single cells, and labeled with propidium iodide and three CD marker antibodies. The cell suspension was subjected to FACS purification. 83.6 ±2.8% of the total input of cells were viable, determined by exclusion of propidium iodide. Only viable cells were collected into 5 distinct populations: GFP+ cells (Samples HC_A-D), GFP?/CD271High (Samples Mac_A-C), as well as GFP?/CD271Low/CD326+/CD146Low (Samples SC_A-B), GFP?/CD271Low/CD326+/CD146Hig (Samples GER_A-B), and GFP?/CD271Low/CD326? (Sample BM_B). Please see Sinkkonen et al 2011 PMID: 22355545 Total RNA was isolated from 5 different FACS sorted cell poulations from P3 Math1-nGFP cochlea.

2014-10-22 | E-GEOD-62582 | biostudies-arrayexpress

Transcription profiling of spinal cord from Math1-LacZ/+ and Math1-LacZ/- E12.5 mice

Project description:C57B6J mice carrying a LacZ allele at the Math1 locus (Math1-LacZ/+) were backcrossed at least 10 generations. The LacZ allele phenocopies a null allele. A total of 5 heterozygous and 5 homozygous null spinal cords were collected (staged at embryonic day 12.5) and individually processed (i.e. not pooled). RNA was extracted and prepared for hybridization to Affymetrix MOE430v2.0 chips under standard conditions (www.affymetrix.com)

2008-03-13 | E-MEXP-1492 | biostudies-arrayexpress

Transcriptome profiling of tdTomato+ CGNPs from cerebellum of Math1-CreERT2 transgenic mice

Project description:Transcriptome profiling of tdTomato+ CGNPs from cerebellum of Math1-CreERT2 transgenic mice

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Intrinsic regenerative potential of murine cochlear supporting cells

Project description:P3 Math1-nGFP mouse cochlear sensory epithelia, consisting of greater and lesser epithelial ridges (GER & LER) including the organ of Corti with nGFP-positive hair cells, were dissected, dissociated into single cells, and labeled with propidium iodide and three CD marker antibodies. The cell suspension was subjected to FACS purification. 83.6 ±2.8% of the total input of cells were viable, determined by exclusion of propidium iodide. Only viable cells were collected into 5 distinct populations: GFP+ cells (Samples HC_A-D), GFP−/CD271High (Samples Mac_A-C), as well as GFP−/CD271Low/CD326+/CD146Low (Samples SC_A-B), GFP−/CD271Low/CD326+/CD146Hig (Samples GER_A-B), and GFP−/CD271Low/CD326− (Sample BM_B). Please see Sinkkonen et al 2011 PMID: 22355545

2014-10-22 | GSE62582 | GEO

Single Cell Transcriptional Profile of brain endothelial cells from nine different brain regions in adult mice

Project description:tdTomato+ endothelial cells from different brain regions of healthy adult Rosa-tdTomato; VE-Cadherin-CreERT2 mice

2021-01-26 | GSE165457 | GEO

RNA Sequencing of postnatal mouse Math1-Cre; Sufu flox/- cerebellum

Project description:Transcriptional profiling to identify genes differentially regulated by Sufu during cerebellum development. Sufu was specifically deleted from the granule neuron compartment using Math1-driven Cre recombinase.

2020-01-15 | GSE143671 | GEO

Rat Normal Cochlear Nucleus

Project description:The cochlear nucleus is the first central pathway involved in the processing of peripheral auditory activity. It is heterogeneous in neuronal populations and physiologic responses and is organized in three major subdivisions: the anterior ventral cochlear nucleus (AVCN), the posterior ventral cochlear nucleus (PVCN) and the dorsal cochlear nucleus (DCN). Although each region demonstrates multiple cell types and functions, there are predominant populations of neurons in each region that underlie the principal role each subdivision plays in auditory processing. Little is known of the underlying genetic contribution to these properties. This study sought to identify genes expressed in the subdivisions of the cochlear nucleus that may account for the anatomical and physiological characteristics of each subdivision. These data provide a genetic basis for understanding normal auditory processing in the cochlear nucleus and a template for investigating changes that may occur with hearing loss, the generation and percept of tinnitus, and central processing disorders. Keywords: normal, comparative Brown Norway rats (n=40, female, 45days) were anesthetized and decapitated. Brains were rapidly removed and the subdivisions of the cochlear nucleus (AVCN, PVCN and DCN) dissected on dry ice. Total RNA was extracted and tested for concentration and purity by spectrophotometry and integrity by gel electrophoresis. SAGE was performed using the NlaIII enzyme and Invitrogen SAGE kit. Concatemers were commercially sequenced and imported into eSAGE (Margulies and Innis, 2000) for tag extraction and frequency.

2005-12-31 | E-GEOD-3628 | biostudies-arrayexpress

Unraveling the Molecular Landscape of Lead-Induced Cochlear Synaptopathy: A Quantitative Proteomic Analysis

Project description:This study investigates how lead exposure triggers cochlear synaptopathy and hearing loss in mice. Young-adult CBA/J mice were given lead acetate in drinking water for 28 days. We assessed hearing thresholds, outer hair cell activity, and synaptic changes in the cochlea. Lead exposure raises hearing thresholds, indicating cochlear synaptopathy. Notably affects synapses in the basal turn without impacting outer hair cells. In addition to this, lead altered the abundance of 352 synaptic proteins, with the synaptic vesicle cycle pathway prominently affected. Lead-induced cochlear synaptopathy targets basal cochlear regions, implicating synaptic vesicle cycle signaling in hearing loss. Revealing specific mechanisms behind lead-induced hearing deficits enhances targeted interventions and preventive strategies, advancing our understanding of lead induced hearing loss.

2024-10-17 | PXD050415 | Pride

Transcription profiling of mouse with unilateral cochlear removal in Cochlear Nucleus at P7 and P21

Project description:Deprivation of peripheral nerve input by cochlear removal in young mice results in dramatic neuron death in the cochlear nucleus (CN). The same manipulation in older mice does not result in significant loss. The molecular basis of this critical period of vulnerability remains largely unknown. Here we identified genes regulated at early time points after cochlear removal at ages when neurons are vulnerable (postnatal day (P)7) or invulnerable (P21) to this challenge. Afferent deprivation regulated very different sets of genes at P7 and P21. These genes showed a variety of functions at both ages, but surprisingly there was no net increase in pro-apoptotic genes at P7. A large set of upregulated immune-related genes was identified at P21. Experiment Overall Design: Mice received unilateral cochlear removals. At 6, 12, 24, and 48 hours after surgery, the CN ipsilateral and contralateral were removed, and RNA isolated from separate pools of tissue for each replicate. Deafferented CN were compared to age-matched and time-matched contralateral, control CN to identify genes regulated by cochlear removal at age P7 and P21.

2008-06-13 | E-GEOD-5394 | biostudies-arrayexpress

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