Patients who exhibited a certain genetic mutation of anti-oxidant enzymes are three times more likely to develop age-related hearing loss (ARHL), according to new research presented at the 2009 American Academy of Otolaryngology-Head and Neck Surgery Foundation (AAO-HNSF) Annual Meeting & OTO EXPO, in San Diego, CA.
The study, which collected DNA samples from 55 patients with ARHL, indicated that there exists a significant correlation between the presence of a mutation of the GSTT1 gene, and age-related hearing loss. Conversely, there were no associations linked to the NAT2 gene.
Anti-oxidant enzymes and their deficiencies have also been implicated as contributors to diseases such as cancer and cardiovascular disease.
The above story is based on materials provided by American Academy of Otolaryngology -- Head and Neck Surgery. Note: Materials may be edited for content and length.
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