{"id":359,"date":"2015-04-16T10:33:01","date_gmt":"2015-04-16T17:33:01","guid":{"rendered":"https:\/\/keck.usc.edu\/news\/study-finds-genetic-predisposition-for-noise-induced-hearing-loss\/"},"modified":"2023-11-19T12:05:45","modified_gmt":"2023-11-19T20:05:45","slug":"study-finds-genetic-predisposition-for-noise-induced-hearing-loss","status":"publish","type":"post","link":"https:\/\/keck.usc.edu\/news\/study-finds-genetic-predisposition-for-noise-induced-hearing-loss\/","title":{"rendered":"Study finds genetic predisposition for noise-induced hearing loss"},"content":{"rendered":"\n \n \n\n\n\n\n\n\n\n
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\n\n \n Press Release<\/span>\n\n\n\n<\/div>\n \n \n
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Study finds genetic predisposition for noise-induced hearing loss<\/h1>\n\n\n<\/div>\n \n \n
\n Alison Trinidad<\/span>\n \n April 16, 2015<\/span>\n <\/div>\n \n \n
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Photo: Immunostained mouse auditory nerve synapses after noise exposure. Courtesy Rick A. Friedman Lab<\/figcaption>\n <\/figure>\n \n \n \n\n<\/div>\n \n\n <\/div><\/div>\n\r\n\r\n\n\n \n \n\n\n\n\n\n\n\n
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\"Photo:
Photo: Immunostained mouse auditory nerve synapses after noise exposure. Courtesy Rick A. Friedman Lab<\/figcaption><\/figure>Neuroscientists publish first genome-wide association study on hearing loss from noise, a common workplace hazard<\/em>
\nIn a new genome-wide association study, an international team led by Keck Medicine of the University of Southern California (USC) neuroscientists has found evidence that some people may be more genetically susceptible to noise-induced hearing loss than others.
\nNoise-induced hearing loss is one of the most common work-related illnesses in the United States, according to the National Institute for Occupational Safety and Health. At especially high risk are troops in the Armed Forces. In 2013, the Department of Veterans Affairs reported hearing loss as one of the most common disabilities among veterans receiving disability compensation.
\nThose at higher, genetic risk for hearing loss may decide to take additional precautionary measures to protect their hearing prior to hazardous noise exposure, study authors say.
\n\u201cUnderstanding the biological processes that affect susceptibility to hearing loss due to loud noise exposure is an important factor in reducing the risk,\u201d said Keck Medicine of USC otologist Rick A. Friedman, MD, PhD, professor of otolaryngology and neurosurgery at the Keck School of Medicine of USC and senior author of the study. \u201cWe have made great advances in hearing restoration, but nothing can compare to protecting the hearing you have and preventing hearing loss in the first place.\u201d
\nThe study, \u201cGenome-wide association study identifies Nox3 as a critical gene for susceptibility to noise-induced hearing loss,\u201d appears in the April 16 edition of PLOS Genetics<\/em>, a peer-reviewed scientific journal.
\nWhile some gene association studies on noise-induced hearing loss in people have been conducted in the past, all were very small and their results un-replicated. Genome-wide association studies, or GWAS, search the entire genome for common genetic variants to see if any of those variants are associated with a trait. Mouse GWAS have led to the discovery of hundreds of genes involved in complex traits that have immediate relevance to people.
\nIn the USC study, conducted at the Zilkha Neurogenetic Institute, Friedman\u2019s team identified the Nox3 gene, which is almost exclusively expressed in the inner ear, as a key gene for susceptibility to noise-induced hearing loss. Using 64 of the 100 strains of mice in the Hybrid Mouse Diversity Panel, the team was able to increase the statistical power of its investigation, leading to the first published GWAS for noise-induced hearing loss in mice.
\nMore research is necessary before clinical recommendations can be made. The study was conducted in collaboration with scientists from Brazil\u2019s Federal University of Rio Grande do Sul and UCLA. Other Keck School of Medicine of USC authors include Joel Lavinsky, Amanda L. Crow, Juemei Wang, Ksenia A. Aaron, Maria K. Ho, Qingzhong Li, Pehzman Salehide, Anthon Myint and Maya Monges-Hernadez. The study was supported in part by the National Institutes of Health (R01DC010856-01,T32ES013678, R01ES021801, 3R01ES021801-03S1, UL1TR000130, P30ES007048, R01ES022282), California Institute for Regenerative Medicine (TG2-01161) and Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior (7342-13-6).<\/p>\n\n\n\n<\/div>\n <\/div>\n\n\n <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":64,"featured_media":361,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[20,628,632],"class_list":["post-359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-release","tag-research","tag-usc-caruso-department-of-otolaryngology-head-and-neck-surgery","tag-usc-zilkha-neurogenetic-institute"],"acf":[],"yoast_head":"\nStudy finds genetic predisposition for noise-induced hearing loss<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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