期刊
GERONTOLOGY
卷 58, 期 6, 页码 490-496出版社
KARGER
DOI: 10.1159/000338588
关键词
Presbyacusis; Age-related hearing loss; Cochlea; Spiral ganglion neuron
资金
- National Organization for Hearing Research Foundation
- NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS [R33DC010489, R01DC011793] Funding Source: NIH RePORTER
Hearing loss is a common age-associated affliction that can result from the loss of hair cells and spiral ganglion neurons (SGNs) in the cochlea. Although hair cells and SGNs are typically lost in the same cochlea, recent analysis suggests that they can occur independently, via unique mechanisms. Research has identified both environmental and genetic factors that contribute to degeneration of cochlear cells. Additionally, molecular analysis has identified multiple cell-signaling mechanisms that likely contribute to pathological changes that result in hearing deficiencies. These analyses should serve as useful primers for future work, including genomic and proteomic analysis, to elucidate the mechanisms driving cell loss in the aging cochlea. Significant progress in this field has occurred in the past decade. As our understanding of aging-induced cochlear changes continues to improve, our ability to offer medical intervention will surely benefit the growing elderly population. Copyright (C) 2012 S. Karger AG, Basel
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