Article ; Online: Investigating the characteristics of genes and variants associated with self-reported hearing difficulty in older adults in the UK Biobank.
2022 Volume 20, Issue 1, Page(s) 150
Abstract: Background: Age-related hearing loss is a common, heterogeneous disease with a strong genetic component. More than 100 loci have been reported to be involved in human hearing impairment to date, but most of the genes underlying human adult-onset hearing ...
| Abstract | Background: Age-related hearing loss is a common, heterogeneous disease with a strong genetic component. More than 100 loci have been reported to be involved in human hearing impairment to date, but most of the genes underlying human adult-onset hearing loss remain unknown. Most genetic studies have focussed on very rare variants (such as family studies and patient cohort screens) or very common variants (genome-wide association studies). However, the contribution of variants present in the human population at intermediate frequencies is hard to quantify using these methods, and as a result, the landscape of variation associated with adult-onset hearing loss remains largely unknown. Results: Here we present a study based on exome sequencing and self-reported hearing difficulty in the UK Biobank, a large-scale biomedical database. We have carried out variant load analyses using different minor allele frequency and impact filters, and compared the resulting gene lists to a manually curated list of nearly 700 genes known to be involved in hearing in humans and/or mice. An allele frequency cutoff of 0.1, combined with a high predicted variant impact, was found to be the most effective filter setting for our analysis. We also found that separating the participants by sex produced markedly different gene lists. The gene lists obtained were investigated using gene ontology annotation, functional prioritisation and expression analysis, and this identified good candidates for further study. Conclusions: Our results suggest that relatively common as well as rare variants with a high predicted impact contribute to age-related hearing impairment and that the genetic contributions to adult hearing difficulty may differ between the sexes. Our manually curated list of deafness genes is a useful resource for candidate gene prioritisation in hearing loss. |
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| MeSH term(s) | Aged ; Animals ; Biological Specimen Banks ; Genome-Wide Association Study ; Hearing ; Humans ; Mice ; Presbycusis ; Self Report ; United Kingdom |
| Language | English |
| Publishing date | 2022-06-27 |
| Publishing country | England |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural |
| ZDB-ID | 2133020-7 |
| ISSN | 1741-7007 ; 1741-7007 |
| ISSN (online) | 1741-7007 |
| ISSN | 1741-7007 |
| DOI | 10.1186/s12915-022-01349-5 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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