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Strial atrophy underlying age-related hearing loss was investigated by ultrastructural comparisons in young and senescent gerbils. In young animals strial marginal cells (MCs) projected primary processes which gave rise to and were connected by numerous ultrathin secondary processes. In
To understand possible causative roles of apoptosis gene regulation in age-related hearing loss (presbycusis), apoptotic gene expression patterns in the CBA mouse cochlea of four different age and hearing loss groups were compared, using GeneChip and real-time (qPCR) microarrays. GeneChip
Presbycusis has become a common sensory deficit in humans. Oxidative damage to mitochondrial DNA and mitochondrial dysfunction is strongly associated with the aging of the auditory system. A previous study established a mimetic rat model of aging using D-galactose (D-gal) and first reported that