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Single-cell RNA sequencing of mouse and human cochlea

ABSTRACT: Single-cell RNA sequencing of mouse and human cochlea

PROVIDER: PRJNA560559 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR10013547.fastq.gz	Fastqsanger.gz
	SRR10013548.fastq.gz	Fastqsanger.gz
	SRR9988674.fastq.gz	Fastqsanger.gz
	SRR9988675.fastq.gz	Fastqsanger.gz

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Project description:Age-related hearing impairment (ARHI), one of the most common medical conditions, is strongly heritable, yet its genetic causes remain largely unknown. We conducted a meta-analysis of GWAS summary statistics from multiple hearing-related traits in the UK Biobank (n = up to 323,978) and identified 31 genome-wide significant risk loci for self-reported hearing difficulty (p < 5e-8), of which 30 have not been reported previously at genome-wide significance. We interpreted these loci in the context of newly generated ATAC-seq and single-cell RNA-seq from cells in the mouse cochlea. Risk-associated genes were enriched for expression in cochlear epithelial and non-epithelial cells, as well as for genes related to sensory perception and known Mendelian deafness genes, supporting their relevance to auditory function. Regions of the human genome homologous to open chromatin in sensory epithelial cells from the mouse were strongly enriched for heritable risk for hearing difficulty, even after adjusting for baseline effects of evolutionary conservation and cell-type non-specific regulatory regions. Epigenomic and statistical fine-mapping most strongly supported 50 putative risk genes. Of these, at least 45 were expressed in mouse cochlea and 15 were enriched specifically in sensory hair cells. These results reveal new risk loci and risk genes for hearing difficulty and suggest an important role for altered gene regulation in the cochlear sensory epithelium.

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Single cell transcriptomic analysis of P8 and P15 mouse cochlea (control and three overexpression conditions) and simultaneous single cell transcriptomic and accessible chromatin analysis of P1 and P8 mouse cochlea (wildtype)

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