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The Transcriptome of Utricle Hair Cell Regeneration in the Avian Inner Ear

ABSTRACT: A comprehensive transcriptome profile of chicken utricle hair cell across a 7 days regenerative time course.

ORGANISM(S): Gallus gallus

PROVIDER: GSE57134 | GEO | 2014/04/29

SECONDARY ACCESSION(S): PRJNA245536

REPOSITORIES: GEO

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The Transcriptome of Utricle Hair Cell Regeneration in the Avian Inner Ear

Project description:A comprehensive transcriptome profile of chicken utricle hair cell across a 7 days regenerative time course. Compare gene expression changes in chicken utricle treated with streptomycin to the control. A total of 60 samples were collected from 11 different time points. Each time point contains at least 2 biological samples.

2014-04-29 | E-GEOD-57134 | biostudies-arrayexpress

The Transcriptome of Basilar Papilla Hair Cell Regeneration in the Avian Inner Ear

Project description:A comprehensive transcriptome profile of chicken basilar papilla hair cell across a 7 days regenerative time course. Compare gene expression changes in chicken basilar papilla treated with streptomycin to the control. A total of 60 samples were collected from 8 different time points. Each time point contains 2 biological samples.

2015-02-21 | E-GEOD-66101 | biostudies-arrayexpress

The Transcriptome of Basilar Papilla Hair Cell Regeneration in the Avian Inner Ear

Project description:A comprehensive transcriptome profile of chicken basilar papilla hair cell across a 7 days regenerative time course.

2015-02-21 | GSE66101 | GEO

Cell-type identity of the avian utricle

Project description:The avian utricle, a vestibular organ of the inner ear, displays turnover of sensory hair cells throughout life. This is in sharp contrast to the mammalian utricle, which shows limited regenerative capacity. Here, we use single-cell RNA-sequencing to identify distinct marker genes for the different sensory hair cell subtypes of the chicken utricle, which we validated in situ . We provide markers for spatially distinct supporting cell populations, and identified two transitional cell populations of dedifferentiating supporting cells and developing hair cells. Trajectory reconstruction resulted in an inventory of gene expression dynamics of natural hair cell generation in the avian utricle.

2022-09-07 | GSE212831 | GEO

Gene Expression from hair cells and supporting cells in chick utricle

Project description:In adult mammals, hair cell loss is irreversible and may result in hearing and balance deficits. In contrast, birds can regenerate hair cells through differentiation of supporting cells and restore inner ear function, suggesting that hair cell progenitors are present in the population of supporting cells. We used microarrays to identify novel genes related to the regeneration in the chicken utricle. Supporting cell and hair cell populations of chicken utricle obtained by laser capture microdissection, following to do RNA extraction and hybridization on Affymetrix microarrays.

2016-05-17 | E-GEOD-81461 | biostudies-arrayexpress

Transcriptomic and epigenetic regulation of hair cell regeneration in the mouse utricle and its potentiation by Atoh1

Project description:The mammalian cochlea loses its ability to regenerate new hair cells prior to the onset of hearing. In contrast, the adult vestibular system can produce new hair cells in response to damage, or by reprogramming of supporting cells with the hair cell transcription factor Atoh1. We used RNA-seq and ATAC-seq to probe the transcriptional and epigenetic responses of utricle supporting cells to damage and Atoh1 transduction. We show that the improved regenerative response of the utricle correlates with a more accessible chromatin structure in utricle supporting cells compared to their cochlear counterparts. We also provide evidence that Atoh1 transduction of supporting cells is able to promote increased transcriptional accessibility of some hair cell genes. Our study offers a possible explanation for regenerative differences between sensory organs of the inner ear, but shows that additional factors to Atoh1 may be required for optimal reprogramming of hair cell fate.

2019-04-30 | GSE121610 | GEO

Gene Expression from hair cells and supporting cells in chick utricle

2016-05-17 | GSE81461 | GEO

Gene Expression by Mouse Inner Ear Hair Cells During Development

Project description:Hair cells of the inner ear are essential for hearing and balance. As a consequence, pathogenic variants in genes specifically expressed in hair cells often cause hereditary deafness. Hair cells are few in number and not easily isolated from the adjacent supporting cells, so the biochemistry and molecular biology of hair cells can be difficult to study. To study gene expression in hair cells, we developed a protocol for hair cell isolation by FACS sorting. With nearly pure hair cells and surrounding cells, from cochlea and utricle and from embryonic day 16 to postnatal day 7, we performed a comprehensive cell-type-specific RNA-Seq study of gene expression during mouse inner ear development. Expression profiling revealed new hair-cell genes with distinct expression patterns: some are specific for vestibular hair cells, others for cochlear hair cells, and some are expressed just before or after maturation of mechanosensitivity. We found that many of the known hereditary deafness genes are much more highly expressed in hair cells than surrounding cells, suggesting that genes preferentially expressed in hair cells are good candidates for unknown deafness genes.

2015-03-24 | GSE60019 | GEO

Rat utricle hair bundles and whole utricles—LTQ

Project description:Purified utricle hair bundles and utricular epithelium from P3-P7 rat inner ears were analyzed by LC-MS/MS to determine the abundant and enriched proteins of the hair bundle. This dataset used a Thermo LTQ mass spectrometer for protein detection.

2015-11-17 | PXD002416 | Pride

Transcriptomic Analysis of Adult Zebrafish Inner Ear Hair Cells

Project description:To understand the basic biological property of hair cells (HCs) from lower vertebrates, we examined transcriptomes of adult zebrafish HCs. GFP-labeled HCs were isolated from the utricle, saccule, and lagena, the three inner-ear sensory epithelia of a pou4f3 promoter-driven GAP-GFP line of transgenic zebrafish. 2,000 HCs and 2,000 non-sensory cells from the inner ear were individually collected by suction pipet technique. RNA sequencing was performed and the resulting sequences were mapped, analyzed, and compared. Comparisons allow us to identify enriched genes in HCs, which may underlie HC specialization.

2018-02-06 | GSE92559 | GEO

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