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Mold JW, Lawler FH, Liao X, Bard DE. Associations between hearing loss, peripheral neuropathy, balance, and survival in older primary care patients. J Am Geriatr Soc 2024. [PMID: 39143038 DOI: 10.1111/jgs.19142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 07/05/2024] [Accepted: 07/12/2024] [Indexed: 08/16/2024]
Abstract
BACKGROUND Both age-associated hearing loss (AAHL) and peripheral neuropathy (PN) are common in older patients, and both are associated with impaired balance, falls, and premature mortality. The objectives of this study were to document the prevalence and severity of AAHL in older primary care patients, and to explore associations between AAHL, PN, balance, falls, and mortality. METHODS We analyzed information obtained in 1999 from 793 primary care patients recruited from practices participating in the Oklahoma Longitudinal Assessment of the Health Outcomes of Mature Adults (OKLAHOMA) Studies. Available data included demographic and health information, history of falls and hospitalizations, audiometry, balance testing, examination of the peripheral nerves, 50 foot timed gait, and dates of death up to 22 calendar years and 8106 person-years of follow-up. Proportionate hazards (PH) and structural equation modeling (SEM) were used to examine associations between AAHL, PN, balance, gait time, and mortality. RESULTS 501 of the 793 participants (63%) had AAHL. Another 156 (20%) had low frequency and 32 (4%) had unilateral deficits. Those with moderate or severe AAHL and the 255 (32%) with PN had impaired balance (p < 0.0001), increased gait time (p = 0.0001), and reduced survival time (p < 0.0001). In the PH model, both AAHL and PN were associated with earlier mortality (H.Rs. [95% C.I.]: 1.36 [1.13-1.64] and 1.32 [1.10-1.59] respectively). The combination of moderate or severe AAHL and PN, present in 24% of participants, predicted earlier mortality than predicted by either deficit alone (O.R. [95% C.I.I] 1.55 [1.25-1.92]). In the SEM models, the impacts of both moderate or severe AAHL and PN on survival were mediated, in part, through loss of balance. CONCLUSIONS Hearing loss and PN, both common in older patients, appear to be independently and additively associated with premature mortality. Those associations may be mediated in part by impaired balance. The Mechanisms are likely multiple and complex.
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Affiliation(s)
- James W Mold
- Department of Family and Preventive Medicine, University of Oklahoma Health Sciences Center, Chapel Hill, North Carolina, USA
| | - Frank H Lawler
- Department of Family and Preventive Medicine, University of Oklahoma Health Sciences Center, Chapel Hill, North Carolina, USA
| | - Xiaolan Liao
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Chapel Hill, North Carolina, USA
| | - David E Bard
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Chapel Hill, North Carolina, USA
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Bai L, Wen Z, Zhu Y, Jama HA, Sawmadal JD, Chen J. Association of blood cadmium, lead, and mercury with anxiety: a cross-sectional study from NHANES 2007-2012. Front Public Health 2024; 12:1402715. [PMID: 39188794 PMCID: PMC11345141 DOI: 10.3389/fpubh.2024.1402715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 07/22/2024] [Indexed: 08/28/2024] Open
Abstract
Objectives The purpose of this paper is to explore the relationship between blood levels of cadmium, lead, and mercury and anxiety in American adults. Methods Blood metals and self-reported anxiety days were extracted from laboratory data and questionnaire data, respectively, using NHANES data from 2007-2012. Weighted logistic regression was used to assess the relationship between cadmium, lead and mercury with anxiety. Restricted cubic spline was used to visualize the non-linear relationship between metal concentrations and anxiety. Weighted quantile sum (WQS) regression was used to investigate the effect of combined exposure to the three metals on anxiety. Results The prevalence of anxiety in adults was 26.0%. After adjusting for potential confounding variables, cadmium levels in the highest quartile (Q4) were associated with a higher risk of anxiety compared to the lowest quartile (Q1) (OR = 1.279, 95% CI: 1.113-1.471, p < 0.01). Restricted cubic spline analysis indicated a positive association between blood cadmium levels and anxiety. Furthermore, co-exposure to multiple heavy metals was positively associated with anxiety risk (WQS positive: OR = 1.068, 95% CI: 1.016-1.160, p < 0.05), with cadmium contributing the most to the overall mixture effect. Compared to the Light RPA, the Vigorous/Moderate RPA group had a relatively low risk of anxiety after cadmium exposure. Conclusion High levels of blood cadmium are positively associated with the development of anxiety disorders, which needs to be further verified in future studies.
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Affiliation(s)
- Long Bai
- School of Public Health, Xuzhou Medical University, Xuzhou, China
| | - Zongliang Wen
- School of Public Health, Xuzhou Medical University, Xuzhou, China
- School of Management, Xuzhou Medical University, Xuzhou, China
- Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yan Zhu
- School of Medical Information and Engineering, Xuzhou Medical University, Xuzhou, China
| | | | | | - Jialin Chen
- School of Management, Xuzhou Medical University, Xuzhou, China
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Zaheer J, Lee HS, Kim S, Jang J, Kim H, Choi J, Park MH, Kim JS. Microplastic polyethylene induced inner ear dysfunction in murine model. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135193. [PMID: 39029192 DOI: 10.1016/j.jhazmat.2024.135193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 07/21/2024]
Abstract
While the hazardous effects of microplastics (MPs) are increasingly reported, it remains uncertain if MPs induce inner ear dysfunction. Nonetheless, prevalence of inner ear dysfunction was observed across all age groups. In this study, we investigated whether MP polyethylene affect inner ear function in a murine model. To detect hearing loss and balance defect after polyethylene (PE) exposure, we evaluated hearing threshold levels, assessed cerebral glucose metabolism, conducted transcriptome analysis, and performed behavioral studies. C57BL/6 J mice (5-week-old) were grouped into control (n = 10) and PE-fed groups (n = 10). Mice were orally administered 100 ppm/100 μL (equivalent to 10 μg) of PE every day for 4 months. We identified the accumulation of PE in the cochlea and vestibular region. The fragmented PE in inner ear was 3.00 ± 0.38 µm in size; the administered PE concentration was 1.14 ± 1.06 mg/g. Fourier transform infrared spectrometry confirmed that the properties of the MP were identical with those of PE fed to the mice. Transcriptomic analysis showed up-regulation of PER1, NR4A3 and CEBPB at the PE exposed inner ear tissue and it was confirmed using qRT-PCR, western blotting, and immunofluorescence staining. We observed abnormalities in balance related behavior assessment in the PE group. Exposure to PE increased the hearing thresholds and decreased glucose metabolism in the bilateral lateral entorhinal cortex, right primary auditory cortex, and right secondary auditory cortex. We can conclude that PE exposure induced inner ear dysfunction such as hearing loss and balance disorder.
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Affiliation(s)
- Javeria Zaheer
- Division of Applied RI, Korea Institute Radiological and Medical Sciences, Seoul 01812, Republic of Korea; Radiological and Medico-Oncological Sciences, Korea National University of Science and Technology (UST), Seoul 01812, Republic of Korea
| | - Ho Sun Lee
- Department of Otorhinolaryngology, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul 07061, Republic of Korea; Department of Otorhinolaryngology, College of Medicine, Seoul National University, Seoul 03080, Republic of Korea
| | - Seungyoun Kim
- Division of Applied RI, Korea Institute Radiological and Medical Sciences, Seoul 01812, Republic of Korea; Radiological and Medico-Oncological Sciences, Korea National University of Science and Technology (UST), Seoul 01812, Republic of Korea
| | - Jaehee Jang
- School of Integrative Engineering, College of ICT Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Hyeongi Kim
- Division of Applied RI, Korea Institute Radiological and Medical Sciences, Seoul 01812, Republic of Korea
| | - Jonghoon Choi
- School of Integrative Engineering, College of ICT Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Min-Hyun Park
- Department of Otorhinolaryngology, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul 07061, Republic of Korea; Department of Otorhinolaryngology, College of Medicine, Seoul National University, Seoul 03080, Republic of Korea.
| | - Jin Su Kim
- Division of Applied RI, Korea Institute Radiological and Medical Sciences, Seoul 01812, Republic of Korea; Radiological and Medico-Oncological Sciences, Korea National University of Science and Technology (UST), Seoul 01812, Republic of Korea.
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O'Brien M, Danis DO, Gall E, Woods K, Noonan K. Social Determinants of Health and Hearing Loss in U.S. Adults. Laryngoscope 2024; 134:2848-2856. [PMID: 38197538 DOI: 10.1002/lary.31268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 11/15/2023] [Accepted: 12/11/2023] [Indexed: 01/11/2024]
Abstract
OBJECTIVES Social determinants of health (SDH) are nonmedical, societal factors that influence health. There is limited information on the current relationship between SDH and hearing loss (HL) in the United States. This study aims to compare the odds of HL among US adults by race/ethnicity, education level, income-to-poverty level ratio, health insurance coverage, and health care access. STUDY DESIGN Cross-sectional study. METHODS The 2015-2020 National Health and Nutrition Examination Survey data were analyzed to compare odds ratios (ORs) for HL, defined as pure tone average over 25 dB HL in at least one ear, by SDH categories using sample weights. Adjusted ORs were calculated using logistic regression models controlling for sex, age, race/ethnicity, education level, income-to-federal-poverty level, health care insurance coverage and access, and loud noise, pesticide, and cigarette exposure. RESULTS A total of 6028 participants were included. Non-Hispanic Black participants had half the odds of HL as Non-Hispanic White participants (OR 0.52, p < 0.05). Lower education level correlated with higher odds of HL: those without a high school diploma had double the odds of HL compared with college graduates or above (OR 2.05, 1.91, p < 0.05). The income-to-federal-poverty level ratio of 1.3 to less than 2 had higher odds of HL than the 4+ group (OR 1.45, p < 0.05). Use of multiple health care locations was associated with nearly three times the odds of HL than the group using one location (OR 2.87, p < 0.05). CONCLUSION SDH are associated with HL. Further investigation is needed into the mechanism of disparities for targeted prevention and treatment for hearing care equity. LEVEL OF EVIDENCE IV Laryngoscope, 134:2848-2856, 2024.
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Affiliation(s)
- Monica O'Brien
- Tufts University School of Medicine, Boston, Massachusetts, U.S.A
| | - David O Danis
- Department of Otolaryngology, Tufts Medical Center, Boston, Massachusetts, U.S.A
| | - Emily Gall
- Department of Otolaryngology, Tufts Medical Center, Boston, Massachusetts, U.S.A
| | - Kelsey Woods
- University of Massachusetts Chan School of Medicine, Worcester, Massachusetts, U.S.A
| | - Kathryn Noonan
- Tufts University School of Medicine, Boston, Massachusetts, U.S.A
- Department of Otolaryngology, Tufts Medical Center, Boston, Massachusetts, U.S.A
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Stickel AM, Mendoza A, Tarraf W, Kuwayama S, Kaur S, Morlett Paredes A, Daviglus ML, Testai FD, Zeng D, Isasi CR, Baiduc RR, Dinces E, Lee DJ, González HM. Hearing Loss and Associated 7-Year Cognitive Outcomes Among Hispanic and Latino Adults. JAMA Otolaryngol Head Neck Surg 2024; 150:385-392. [PMID: 38512278 PMCID: PMC10958383 DOI: 10.1001/jamaoto.2024.0184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/29/2024] [Indexed: 03/22/2024]
Abstract
Importance Hearing loss appears to have adverse effects on cognition and increases risk for cognitive impairment. These associations have not been thoroughly investigated in the Hispanic and Latino population, which faces hearing health disparities. Objective To examine associations between hearing loss with 7-year cognitive change and mild cognitive impairment (MCI) prevalence among a diverse cohort of Hispanic/Latino adults. Design, Setting, and Participants This cohort study used data from a large community health survey of Hispanic Latino adults in 4 major US cities. Eligible participants were aged 50 years or older at their second visit to study field centers. Cognitive data were collected at visit 1 and visit 2, an average of 7 years later. Data were last analyzed between September 2023 and January 2024. Exposure Hearing loss at visit 1 was defined as a pure-tone average (500, 1000, 2000, and 4000 Hz) greater than 25 dB hearing loss in the better ear. Main outcomes and measures Cognitive data were collected at visit 1 and visit 2, an average of 7 years later and included measures of episodic learning and memory (the Brief-Spanish English Verbal Learning Test Sum of Trials and Delayed Recall), verbal fluency (word fluency-phonemic fluency), executive functioning (Trails Making Test-Trail B), and processing speed (Digit-Symbol Substitution, Trails Making Test-Trail A). MCI at visit 2 was defined using the National Institute on Aging-Alzheimer Association criteria. Results A total of 6113 Hispanic Latino adults were included (mean [SD] age, 56.4 [8.1] years; 3919 women [64.1%]). Hearing loss at visit 1 was associated with worse cognitive performance at 7-year follow-up (global cognition: β = -0.11 [95% CI, -0.18 to -0.05]), equivalent to 4.6 years of aging and greater adverse change (slowing) in processing speed (β = -0.12 [95% CI, -0.23 to -0.003]) equivalent to 5.4 years of cognitive change due to aging. There were no associations with MCI. Conclusions and relevance The findings of this cohort study suggest that hearing loss decreases cognitive performance and increases rate of adverse change in processing speed. These findings underscore the need to prevent, assess, and treat hearing loss in the Hispanic and Latino community.
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Affiliation(s)
- Ariana M. Stickel
- Department of Psychology, San Diego State University, San Diego, California
| | - Alonzo Mendoza
- Department of Neurosciences, University of California, San Diego, La Jolla
| | - Wassim Tarraf
- Institute of Gerontology & Department of Healthcare Sciences, Wayne State University, Detroit, Michigan
| | - Sayaka Kuwayama
- Department of Neurosciences, University of California, San Diego, La Jolla
| | - Sonya Kaur
- Department of Neurology, University of Miami Miller School of Medicine, Miami, Florida
| | | | - Martha L. Daviglus
- Institute for Minority Health Research, College of Medicine, University of Illinois at Chicago, Chicago
| | - Fernando D. Testai
- Department of Neurology & Rehabilitation, College of Medicine, University of Illinois at Chicago, Chicago
| | - Donglin Zeng
- Department of Biostatistics, University of North Carolina, Chapel Hill
| | - Carmen R. Isasi
- Department of Epidemiology & Population Health, Albert Einstein College of Medicine, Bronx, New York
| | - Rachael R. Baiduc
- Speech, Language, and Hearing Sciences, University of Colorado Boulder, Boulder
| | - Elizabeth Dinces
- Department of Otorhinolaryngology, Albert Einstein College of Medicine, Bronx, New York
| | - David J. Lee
- Department of Epidemiology & Public Health, University of Miami, Miami, Florida
| | - Hector M. González
- Department of Neurosciences, University of California, San Diego, La Jolla
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Liu Y, Gu D, Zhao H, Yu R. Influence of Different Noise Types on Hearing Function in Patients Treated for Mild Otitis Media. Noise Health 2024; 26:231-234. [PMID: 38904828 DOI: 10.4103/nah.nah_6_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 04/17/2024] [Indexed: 06/22/2024] Open
Abstract
BACKGROUND Otitis media (OM) refers to a common clinical ear disease. Noise seriously damages human hearing function. This study aimed to investigate the effects of various noise types on the hearing function of patients who have recovered from mild OM. MATERIALS AND METHODS A total of 160 patients with mild OM treated at our hospital from May 2020 to May 2023 were retrospectively selected for this study. Based on clinical data, the patients were divided into the non-noise group (n = 80) and the noise (n = 80) group. The hearing thresholds of the two groups were compared across various noise types at 500, 1000, and 2000 Hz. In addition, the hearing thresholds of the noise group were compared under the same conditions. RESULTS The noise group exhibited significantly higher hearing thresholds at 500, 1000, and 2000 Hz than the non-noise group (P < 0.05). Under traffic, urban construction, and industrial noises, the auditory thresholds at 500, 1000, and 2000 Hz in the noise group were significantly higher than those observed under domestic and speech noises (P < 0.05). CONCLUSION Noise shows a close relationship with the hearing function of patients with OM. Traffic, urban construction, and industrial noises greatly influence the hearing function of patients who have recovered from mild OM.
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Affiliation(s)
- Ying Liu
- Department of Otolaryngology Head and Neck Surgery, West China Hospital of Sichuan University, Chengdu 610041, Sichuan, China
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Gedik Toker Ö, Kuru E. The effect of occupational exposure to noise and chemical agents on hearing abilities. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2024; 79:1-10. [PMID: 38265067 DOI: 10.1080/19338244.2024.2305803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 01/09/2024] [Indexed: 01/25/2024]
Abstract
Exposure to loud noise or chemical agents may cause hearing disorders such as tinnitus and recruitment, known as an increase in the perception of loudness in addition to hearing loss. Our study aims to evaluate the hearing abilities of hairdressers exposed to noise and chemical agents in the working environment. The study included one hundred hairdressers and one hundred participants who do not work as hairdressers or are nonworkers. The participants' demographic characteristics, working conditions, and auditory complaints were questioned, and each participant completed the Speech, Spatial, and Qualities of Hearing Scale (SSQ). A statistically significant difference was found between the two groups in speech perception, spatial perception, hearing quality, and general SSQ scores. Hairdressers' SSQ scores were significantly lower in all sub-dimensions and general scale scores (p < 0.001). The auditory complaints of the hairdressers and the low SSQ scores indicate that exposure to noise and chemical agents affects the hairdressers' hearing system.
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Affiliation(s)
- Özge Gedik Toker
- Department of Audiology, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
| | - Elif Kuru
- Department of Audiology, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
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Yasoda-Mohan A, Vanneste S. Development, Insults and Predisposing Factors of the Brain's Predictive Coding System to Chronic Perceptual Disorders-A Life-Course Examination. Brain Sci 2024; 14:86. [PMID: 38248301 PMCID: PMC10813926 DOI: 10.3390/brainsci14010086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 01/23/2024] Open
Abstract
The predictive coding theory is currently widely accepted as the theoretical basis of perception and chronic perceptual disorders are explained as the maladaptive compensation of the brain to a prediction error. Although this gives us a general framework to work with, it is still not clear who may be more susceptible and/or vulnerable to aberrations in this system. In this paper, we study changes in predictive coding through the lens of tinnitus and pain. We take a step back to understand how the predictive coding system develops from infancy, what are the different neural and bio markers that characterise this system in the acute, transition and chronic phases and what may be the factors that pose a risk to the aberration of this system. Through this paper, we aim to identify people who may be at a higher risk of developing chronic perceptual disorders as a reflection of aberrant predictive coding, thereby giving future studies more facets to incorporate in their investigation of early markers of tinnitus, pain and other disorders of predictive coding. We therefore view this paper to encourage the thinking behind the development of preclinical biomarkers to maladaptive predictive coding.
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Affiliation(s)
- Anusha Yasoda-Mohan
- Global Brain Health Institute, Trinity College Dublin, D02 R123 Dublin, Ireland;
- Trinity College Institute for Neuroscience, Trinity College Dublin, D02 R123 Dublin, Ireland
- Lab for Clinical & Integrative Neuroscience, School of Psychology, Trinity College Dublin, D02 R123 Dublin, Ireland
| | - Sven Vanneste
- Global Brain Health Institute, Trinity College Dublin, D02 R123 Dublin, Ireland;
- Trinity College Institute for Neuroscience, Trinity College Dublin, D02 R123 Dublin, Ireland
- Lab for Clinical & Integrative Neuroscience, School of Psychology, Trinity College Dublin, D02 R123 Dublin, Ireland
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Wu S, Wu Z, Chen M, Zhong X, Gu H, Du W, Liu W, Lang L, Wang J. Interactions of genetic variations in FAS, GJB2 and PTPRN2 are associated with noise-induced hearing loss: a case-control study in China. BMC Med Genomics 2024; 17:18. [PMID: 38212800 PMCID: PMC10785407 DOI: 10.1186/s12920-023-01790-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 12/26/2023] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND This study aimed to screen and validate noise-induced hearing loss (NIHL) associated single nucleotide polymorphisms (SNPs), construct genetic risk prediction models, and evaluate higher-order gene-gene, gene-environment interactions for NIHL in Chinese population. METHODS First, 83 cases and 83 controls were recruited and 60 candidate SNPs were genotyped. Then SNPs with promising results were validated in another case-control study (153 cases and 252 controls). NIHL-associated SNPs were identified by logistic regression analysis, and a genetic risk model was constructed based on the genetic risk score (GRS), and classification and regression tree (CART) analysis was used to evaluate interactions among gene-gene and gene-environment. RESULTS Six SNPs in five genes were significantly associated with NIHL risk (p < 0.05). A positive dose-response relationship was found between GRS values and NIHL risk. CART analysis indicated that strongest interaction was among subjects with age ≥ 45 years and cumulative noise exposure ≥ 95 [dB(A)·years], without personal protective equipment, and carried GJB2 rs3751385 (AA/AB) and FAS rs1468063 (AA/AB) (OR = 10.038, 95% CI = 2.770, 47.792), compared with the referent group. CDH23, FAS, GJB2, PTPRN2 and SIK3 may be NIHL susceptibility genes. CONCLUSION GRS values may be utilized in the evaluation of the cumulative effect of genetic risk for NIHL based on NIHL-associated SNPs. Gene-gene, gene-environment interaction patterns play an important role in the incidence of NIHL.
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Affiliation(s)
- Shan Wu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Zhidan Wu
- Guangzhou Baiyun District Center for Disease Prevention and Control, Guangzhou, China
| | - Manlian Chen
- The Sixth people's Hospital Of Dongguan, Dongguan, China
| | - Xiangbin Zhong
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Haoyan Gu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Wenjing Du
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Weidong Liu
- The Sixth people's Hospital Of Dongguan, Dongguan, China
| | - Li Lang
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China.
| | - Junyi Wang
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of public health, Guangdong Pharmaceutical University, Guangzhou, China.
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Sherratt S. Hearing Loss and Disorders: The Repercussions of Climate Change. Am J Audiol 2023; 32:793-811. [PMID: 37812783 DOI: 10.1044/2023_aja-23-00136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023] Open
Abstract
PURPOSE Climate change is considered to be the greatest threat to human health in the 21st century, and its effects are accelerating. Extensive research has clearly demonstrated its increasing impact across the continuum of health conditions. Despite this, there has been limited attention to the ramifications of climate change on hearing loss and hearing disorders. This lack of consideration is somewhat surprising as the environment itself and its changing nature have a substantial effect on hearing. METHOD Tackling climate change could be the greatest global health opportunity of the 21st century. To address this issue, this tutorial provides a general introduction to climate change and its three major elements (pollution, infectious diseases, and extreme weather events) and their effects on health. The substantial consequences of climate change for the incidence, development, and exacerbation of hearing loss and disorders are clearly described and detailed. CONCLUSIONS The challenge of responding to this very real and escalating threat to hearing requires a combination of prevention, advocacy, and education. These three roles place audiologists in the perfect position to take action on the far-reaching effects of climate change on hearing loss and disorders. To respond to this challenge and to fulfill these roles, several strategies, ranging from the individual level to the global level, are delineated for audiologists to incorporate into their practice.
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Affiliation(s)
- Sue Sherratt
- Communication Research Australia, Newcastle, New South Wales
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11
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Qiu X, Jiang QQ, Guo WW, Yu N, Yang SM. Study on Screening Core Biomarkers of Noise and Drug-Induced Hearing Loss Based on Transcriptomics. Glob Med Genet 2023; 10:357-369. [PMID: 38053543 PMCID: PMC10695707 DOI: 10.1055/s-0043-1777069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023] Open
Abstract
Background Noise and drug-induced hearing loss (HL) is becoming more and more serious, but the integration and analysis based on transcriptomics and proteomics are lacking. On the one hand, this study aims to integrate existing public transcriptomic data on noise and gentamicin-induced HL. On the other hand, the study aims to establish the gentamicin and noise-induced HL model of guinea pigs, then to perform the transcriptomic and proteomic analyses. Through comprehensive analysis of the above data, we aim to screen, predict, and preliminarily verify biomarkers closely related to HL. Material and Methods We screened the Gene Expression Omnibus database to obtain transcriptome data expression profiles of HL caused by noise and gentamicin, then constructed the guinea pig HL model and perform the transcriptomic and proteomic analyses. Differential expression and enrichment analysis were performed on public and self-sequenced data, and common differentially expressed genes (DEGs) and signaling pathways were obtained. Finally, we used proteomic data to screen for common differential proteins and validate common differential expression genes for HL. Results By integrating the public data set with self-constructed model data set, we eventually obtained two core biomarkers of HL, which were RSAD2 and matrix metalloproteinase-3 (MMP3). Their main function is to regulate the development of sense organ in the inner ear and they are mainly involved in mitogen-activated protein kinase and phosphoinositol-3 kinase/protein kinase B signaling pathways. Finally, by integrating the proteomic data of the self-constructed model, we also found differential expression of MMP3 protein. This also preliminarily and partially verified the above-mentioned core biomarkers. Conclusion and Significance In this study, public database and transcriptomic data of self-constructed model were integrated, and we screened out two core genes and various signal pathways of HL through differential analysis, enrichment analysis, and other analysis methods. Then, we preliminarily validated the MMP3 by proteomic analysis of self-constructed model. This study pointed out the direction for further laboratory verification of key biomarkers of HL, which is of great significance for revealing the core pathogenic mechanism of HL.
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Affiliation(s)
- Xin Qiu
- Department of Otolaryngology-Head & Neck Surgery, The Sixth Medical Center of PLA General Hospital, National Clinical Research Center for Otolaryngologic Diseases, State Key Lab of Hearing Science, Ministry of Education, Beijing Key Lab of Hearing Impairment Prevention and Treatment Beijing, Beijing, People's Republic of China
| | - Qing-Qing Jiang
- Department of Otolaryngology-Head & Neck Surgery, The Sixth Medical Center of PLA General Hospital, National Clinical Research Center for Otolaryngologic Diseases, State Key Lab of Hearing Science, Ministry of Education, Beijing Key Lab of Hearing Impairment Prevention and Treatment Beijing, Beijing, People's Republic of China
| | - Wei-Wei Guo
- Department of Otolaryngology-Head & Neck Surgery, The Sixth Medical Center of PLA General Hospital, National Clinical Research Center for Otolaryngologic Diseases, State Key Lab of Hearing Science, Ministry of Education, Beijing Key Lab of Hearing Impairment Prevention and Treatment Beijing, Beijing, People's Republic of China
| | - Ning Yu
- Department of Otolaryngology-Head & Neck Surgery, The Sixth Medical Center of PLA General Hospital, National Clinical Research Center for Otolaryngologic Diseases, State Key Lab of Hearing Science, Ministry of Education, Beijing Key Lab of Hearing Impairment Prevention and Treatment Beijing, Beijing, People's Republic of China
| | - Shi-ming Yang
- Department of Otolaryngology-Head & Neck Surgery, The Sixth Medical Center of PLA General Hospital, National Clinical Research Center for Otolaryngologic Diseases, State Key Lab of Hearing Science, Ministry of Education, Beijing Key Lab of Hearing Impairment Prevention and Treatment Beijing, Beijing, People's Republic of China
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Beaver C, Schneider J. Evaluating the potential impact of ototoxicant exposure on worker health. JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HYGIENE 2023; 20:520-535. [PMID: 37540204 DOI: 10.1080/15459624.2023.2240874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
Occupational exposure to ototoxicants, substances that can cause hearing loss alone or exacerbate hearing loss when exposure occurs in combination with noise, is a workplace hazard that is poorly understood. A review of existing research indicates that some solvents and heavy metals may be ototoxic, but few studies have attempted to estimate the impact of ototoxicant exposure on the United States worker population. Researchers examined trends in workplace exposure to ototoxicants among workers in the United States by comparing exposure data collected by the Occupational Safety and Health Administration against worker hearing loss data provided by the Bureau of Labor Statistics (BLS) for 2012-2019. The study found that the noise exposure data was strongly correlated to the hearing loss data using Pearson's correlation (p < .001), confirming that the exposure data collected by OSHA is predictive of the risk of occupational illness as reported by BLS. Chi-square analysis indicates that reported hearing loss was more common among industry subsectors with exposure to ototoxicants than those without exposure to ototoxicants. These findings suggest that workers with coexposure to ototoxicants and noise may be at a higher risk of experiencing hearing loss than those exposed to noise alone, and action should be taken to minimize this risk.
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Affiliation(s)
- Cody Beaver
- Collaboratory for Resiliency and Recovery, Rochester Institute of Technology, Rochester, New York, USA
| | - Jennifer Schneider
- Collaboratory for Resiliency and Recovery, Rochester Institute of Technology, Rochester, New York, USA
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Zhang Y, Liu Y, Li Z, Liu X, Chen Q, Qin J, Liao Q, Du R, Deng Q, Xiao Y, Xing X. Effects of coexposure to noise and mixture of toluene, ethylbenzene, xylene, and styrene (TEXS) on hearing loss in petrochemical workers of southern China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:31620-31630. [PMID: 36449247 DOI: 10.1007/s11356-022-24414-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Many harmful factors existing simultaneously with noise are reported to induce hearing impairment, such as organic solvents. However, the existing hearing safety limits and current risk assessment for hearing loss rely on single noise exposure. It is urgent to clarify the combined effect of noise and other harmful factors on hearing loss. Petrochemical workers are always exposed to noise and organic solvents, mainly benzene, toluene, ethylbenzene, xylene, and styrene (BTEXS), while the combined effect of their coexposure on hearing remains unclear. Herein we conducted a cross-sectional survey, measuring pure-tone audiometry of 1496 petrochemical workers in southern China. Participants exposed to BTEXS were 569, 524, 156, 452, and 177 respectively. Individual cumulative noise exposure (CNE) levels and BTEXS exposure were assessed. The average CNE was 93.27 ± 4.92 dB(A)·years, and the concentrations of BTEXS were far below the occupational exposure limits of China. Logistic regression analyses showed that CNE was consistently positively associated with hearing loss (HL) and high-frequency hearing loss (HFHL) but not related to speech-frequency hearing loss (SFHL). Compared with participants in the lowest quartile of CNE, those in the highest quartile showed an OR of 5.229 (95% CI: 3.179, 8.598) for HFHL. Two-pollutant model analysis indicated that TEXS exposure was positively associated with HL (OR 1.679, 95%CI 1.086, 2.597), SFHL (OR 2.440, 95%CI 1.255, 4.744), and HFHL (OR 1.475, 95%CI 1.077, 2.020). However, no interactions were observed between CNE and TEXS coexposure on hearing loss. In our study, covariates including smoking and drinking status, body mass index (BMI), ear protection and personal protective equipment, and use of earphone/headphone were adjusted. In conclusion, coexposure to noise and low-level TEXS could induce more severe damage on hearing function than exposure to each alone, especially SFHL. Therefore, petrochemical workers simultaneously exposed to noise and TEXS, even at low-level, should be included in hearing protection programs.
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Affiliation(s)
- Yan Zhang
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Yan Liu
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Zongxin Li
- Department of Toxicology, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Guangzhou, 510080, China
| | - Xin Liu
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Qingfei Chen
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Jingyao Qin
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Qilong Liao
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Rui Du
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Qifei Deng
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Yongmei Xiao
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China
| | - Xiumei Xing
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou, 510080, China.
- Department of Toxicology, School of Public Health, Sun Yat-Sen University, No. 74 Zhongshan Road 2, Guangzhou, 510080, China.
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Corriols-Noval P, López Simón EC, Cadiñanos J, Diñeiro M, Capín R, González Aguado R, Costales Marcos M, Morales Angulo C, Cabanillas Farpón R. Clinical Impact of Genetic Diagnosis of Sensorineural Hearing Loss in Adults. Otol Neurotol 2022; 43:1125-1136. [PMID: 36190904 DOI: 10.1097/mao.0000000000003706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
HYPOTHESIS Adult genetic sensorineural hearing loss (SNHL) may be underestimated. BACKGROUND The diagnosis of genetic hearing loss is challenging, given its extreme genetic and phenotypic heterogeneity, particularly in adulthood. This study evaluated the utility of next-generation sequencing (NGS) in the etiological diagnosis of adult-onset SNHL. MATERIALS AND METHODS Adults (>16 yr old) with SNHL were recruited at the Otolaryngology Department at Marqués de Valdecilla University Hospital (Spain). Environmental factors, acoustic trauma, endolymphatic hydrops, and age-related hearing loss were excluding criteria. An NGS gene panel was used, including 196 genes (OTOgenics v3) or 229 genes (OTOgenics v4) related to syndromic and nonsyndromic hearing loss. RESULTS Sixty-five patients were included in the study (average age at the onset of SNHL, 41 yr). Fifteen pathogenic/likely pathogenic variants considered to be causative were found in 15 patients (23% diagnostic yield) in TECTA (4), KCNQ4 (3), GJB2 (2), ACTG1 (1), COL2A1 (1), COCH (1), COCH/COL2A1 (1), STRC (1), and ABHD12 (1). Three patients had syndromic associations (20% of patients with genetic diagnosis) that had not been previously diagnosed (two Stickler type I and one polyneuropathy, hearing loss, ataxia, retinitis pigmentosa, cataract syndrome). Seven variants of unknown significance were found in COL11A1 (1), GSMDE (2), DNTM1 (1), SOX10 (1), EYA4 (1), and TECTA (1). CONCLUSION NGS gene panels can provide diagnostic yields greater than 20% for adult SNHL, with a significant proportion of variant of unknown significance that could potentially contribute to increasing diagnostic output. Identifying a genetic cause enables genetic counseling, provides prognostic information and can reveal unrecognized syndromes contributing to an accurate management of their associated manifestations.
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Affiliation(s)
- Patricia Corriols-Noval
- Department of Otolaryngology-Head and Neck Surgery, Marques de Valdecilla University Hospital, Santander, Spain
| | - Eugenia Carmela López Simón
- Department of Otolaryngology-Head and Neck Surgery, Marques de Valdecilla University Hospital, Santander, Spain
| | - Juan Cadiñanos
- Institute of Oncological and Molecular Medicine of Asturias
| | - Marta Diñeiro
- Institute of Oncological and Molecular Medicine of Asturias
| | - Raquel Capín
- Institute of Oncological and Molecular Medicine of Asturias
| | - Rocío González Aguado
- Department of Otolaryngology-Head and Neck Surgery, Marques de Valdecilla University Hospital, Santander, Spain
| | - María Costales Marcos
- Department of Otolaryngology-Head and Neck Surgery, Central University Hospital of Asturias, Asturias, Spain
| | - Carmelo Morales Angulo
- Department of Otolaryngology-Head and Neck Surgery, Marques de Valdecilla University Hospital, Santander, Spain
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Zou M, Huang M, Zhang J, Chen R. Exploring the effects and mechanisms of organophosphorus pesticide exposure and hearing loss. Front Public Health 2022; 10:1001760. [PMID: 36438228 PMCID: PMC9692084 DOI: 10.3389/fpubh.2022.1001760] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
Many environmental factors, such as noise, chemicals, and heavy metals, are mostly produced by human activities and easily induce acquired hearing loss. Organophosphorus pesticides (OPs) constitute a large variety of chemicals and have high usage with potentiate damage to human health. Moreover, their metabolites also show a serious potential contamination of soil, water, and air, leading to a serious impact on people's health. Hearing loss affects 430 million people (5.5% of the global population), bringing a heavy burden to individual patients and their families and society. However, the potential risk of hearing damage by OPs has not been taken seriously. In this study, we summarized the effects of OPs on hearing loss from epidemiological population studies and animal experiments. Furthermore, the possible mechanisms of OP-induced hearing loss are elucidated from oxidative stress, DNA damage, and inflammatory response. Overall, this review provides an overview of OP exposure alone or with noise that leads to hearing loss in human and experimental animals.
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Zou P, Li M, Chen W, Ji J, Xue F, Wang Z, Xu L, Cheng Y. Association between trace metals exposure and hearing loss. Front Public Health 2022; 10:973832. [PMID: 36062090 PMCID: PMC9428401 DOI: 10.3389/fpubh.2022.973832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/01/2022] [Indexed: 01/21/2023] Open
Abstract
Background Trace metals have side-effect on human health. The association between trace metals exposure and hearing loss remains unclear. Methods A total of 8,128 participants were exacted for analysis of association between trace metals and hearing loss from the database of the National Health and Nutrition Examination Survey (NHANES) (2013-2018). Multivariable logistic regression and restricted cubic spline models were used to examine the association between trace metals and hearing loss. Results Participants with hearing loss had a higher level of lead, cadmium, molybdenum, tin, thallium, and tungsten (all p < 0.05). After adjusting for confounders, compared with the reference of the lowest quartile, the ORs with 95%CIs for hearing loss across quartiles were 1.14 (0.86, 1.51), 1.49 (1.12, 1.98), 1.32 (0.97, 1.80) for cobalt, and 1.35 (0.98, 1.87), 1.58 (1.15, 2.16), 1.75 (1.28, 2.40) for tin. Individuals with the level of cobalt at third quartile had 49% higher risks of hearing loss than those at lowest quartile. And participants with highest quartile of tin had 1.75-folds risks of hearing loss than those with lowest quartile of tin. There were increasing trends in risks of hearing loss with a raised level of thallium (p for trend <0.05). Restricted cubic spline regression analysis indicated that there was a nonlinear association between hearing loss and the levels of tin (p for nonlinearity = 0.021). Subgroup analysis showed that individuals of female, without hypertension and diabetes, and with a higher level of low-density lipoprotein cholesterol had modified effects on the associations between hearing loss and exposure to tin. Conclusions Our study indicated that exposure to cobalt and tin were significantly associated with hearing loss.
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Affiliation(s)
- Peixi Zou
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Menghuan Li
- The First Clinical Medical College, Nanjing Medical University, Nanjing, China
| | - Wei Chen
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Junfeng Ji
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Fei Xue
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Zhiyi Wang
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Li Xu
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - You Cheng
- Department of Otolaryngology-Head and Neck Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
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Rosati R, Birbeck JA, Westrick J, Jamesdaniel S. Lead exposure induces nitrative stress and disrupts ribbon synapses in the cochlea. Front Mol Neurosci 2022; 15:934630. [PMID: 35966014 PMCID: PMC9363696 DOI: 10.3389/fnmol.2022.934630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/04/2022] [Indexed: 11/24/2022] Open
Abstract
Environmental exposure to heavy metal lead, a public health hazard in many post-industrial cities, causes hearing impairment upon long-term exposure. Lead-induced cochlear and vestibular dysfunction is well-documented in animal models. Although short-term exposure to lead at concentrations relevant to environmental settings does not cause significant shifts in hearing thresholds in adults, moderate- to low-level lead exposures induce neuronal damage and synaptic dysfunction. We reported that lead exposure induces oxidative stress in the mouse cochlea. However, lead-induced nitrative stress and potential damage to cochlear ribbon synapses are yet to be fully understood. Therefore, this study has evaluated cochlear synaptopathy and nitrative stress in young-adult mice exposed to 2 mM lead acetate for 28 days. Inductively coupled plasma mass spectrometry (ICP-MS) analysis indicated that this exposure significantly increased the blood lead levels. Assessment of hair cell loss by immunohistochemistry analysis and outer hair cell (OHC) activity by recording distortion product otoacoustic emissions (DPOAEs) indicated that the structure and function of the hair cells were not affected by lead exposure. However, this exposure significantly decreased the expression of C-terminal-binding protein-2 (CtBP2) and GluA2, pre- and post-synaptic protein markers in the inner hair cell synapses, particularly in the basal turn of the organ of Corti, suggesting lead-induced disruption of ribbon synapses. In addition, lead exposure significantly increased the nitrotyrosine levels in spiral ganglion cells, suggesting lead-induced nitrative stress in the cochlea. Collectively, these findings suggest that lead exposure even at levels that do not affect the OHCs induces cochlear nitrative stress and causes cochlear synaptopathy.
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Affiliation(s)
- Rita Rosati
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, United States
| | - Johnna A. Birbeck
- Lumigen Instrument Center, Wayne State University, Detroit, MI, United States
| | - Judy Westrick
- Lumigen Instrument Center, Wayne State University, Detroit, MI, United States
| | - Samson Jamesdaniel
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, United States
- Department of Family Medicine and Public Health Sciences, Wayne State University, Detroit, MI, United States
- *Correspondence: Samson Jamesdaniel,
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Wu ZD, Lu JQ, Du WJ, Wu S. Association between genetic polymorphisms of cadherin 23 and noise-induced hearing loss: a meta-analysis. Ann Hum Biol 2022; 49:41-53. [PMID: 35786118 DOI: 10.1080/03014460.2021.2016963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND NIHL is one of the most common occupational diseases induced by gene-environment interaction. The CDH23 gene is a candidate gene related to NIHL susceptibility. However, the relationship between CDH23 gene and NIHL is still inconclusive. AIM To clarify the association between CDH23 gene and NIHL, a meta-analysis was performed. SUBJECTS AND METHODS A search in MEDLINE, PubMed, Web of Science, EBSCO, China National Knowledge Infrastructure (CNKI), and Wanfang Data was implemented to collect data. RESULTS AND CONCLUSIONS Six studies were eventually included and all the subjects were Chinese. The results showed that rs1227051, rs1227049, and rs3752752 were not associated with NIHL susceptibility under five genetic models. But rs3802711 reduced the risk of NIHL under the recessive model, and the BB genotype and B allele of rs3802711 were significantly linked to NIHL under recessive, super-dominant, homozygote, and allele genetic models when stratified by the HWE result. Moreover, when not conform to HWE, the BB + AB genotypes and B allele of Exon7 in dominant, super-dominant, homozygote, and allele genetic model increased the risk of NIHL. CDH23 may be a potential gene marker for the prevention and early screening of NIHL in Chinese. Further large and well-designed studies are needed to confirm this association.
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Affiliation(s)
- Zhi-Dan Wu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Jun-Qi Lu
- Yuexiu District Center for Disease Control and Prevention, Guangzhou, China
| | - Wen-Jing Du
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Shan Wu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
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Hackenberg B, Döge J, Lackner KJ, Beutel ME, Münzel T, Pfeiffer N, Nagler M, Schmidtmann I, Wild PS, Matthias C, Bahr K. Hearing Loss and Its Burden of Disease in a Large German Cohort-Hearing Loss in Germany. Laryngoscope 2021; 132:1843-1849. [PMID: 34904723 DOI: 10.1002/lary.29980] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/26/2021] [Accepted: 12/02/2021] [Indexed: 11/10/2022]
Abstract
OBJECTIVES/HYPOTHESIS Hearing loss is the most common sensory impairment worldwide. It restricts patients in many aspects of their daily lives and can lead to social exclusion. Understanding this burden is a mandatory requirement for the care of those affected. Therefore, the aim of this study was to estimate the burden of hearing loss in a large German cohort. STUDY DESIGN Cohort study. METHODS The Gutenberg Health Study is designed as a single-center, prospective, and observational cohort study and representative for the city of Mainz, Germany, with its district. Participants were interviewed concerning common otologic symptoms and tested by pure-tone audiometry. The primary outcome was hearing impairment stratified by age and sex. The prevalence of tinnitus was estimated for a subcohort to calculate disability-adjusted life years (DALYs). All results were weighted by the European Standard Population (ESP) 2013. RESULTS A total of 5,024 participants (mean age: 61.2 years, 2,591 men and 2,433 women) were included in the study. Hearing impairment showed the following prevalence: 28.2% (95% confidence interval [CI], 26.9%-29.4%) mild impairment, 10.1% (95% CI, 9.3%-11.0%) moderate impairment, 2.3% (95% CI, 1.9%-2.7%) moderately severe impairment, 0.2% (95% CI, 0.1%-0.4%) severe impairment, 0% (95% CI, 0.0%-0.1%) profound impairment, and 0.1% (95% CI, 0.0%-0.2%) complete impairment. Weighted for the ESP 2013 (all ages), hearing impairment across all levels (with/without tinnitus) causes a total of 2,118.97 DALYs per 100,000. CONCLUSION With 40.9% affected, the hearing loss represents a relevant burden of the German population. Understanding this will provide the basis for future guidelines on how to care for these patients. LEVEL OF EVIDENCE 2 Laryngoscope, 2021.
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Affiliation(s)
- Berit Hackenberg
- Department of Otorhinolaryngology, University Medical Center Mainz, Mainz, Germany
| | - Julia Döge
- Department of Otorhinolaryngology, University Medical Center Mainz, Mainz, Germany
| | - Karl J Lackner
- Institute for Clinical Chemistry and Laboratory Medicine, University Medical Center Mainz, Mainz, Germany
| | - Manfred E Beutel
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Center Mainz, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology I, University Medical Center Mainz, Mainz, Germany
| | - Norbert Pfeiffer
- Department of Ophthalmology, University Medical Center Mainz, Mainz, Germany
| | - Markus Nagler
- Preventive Cardiology and Preventive Medicine-Department of Cardiology, University Medical Center Mainz, Mainz, Germany
| | - Irene Schmidtmann
- Institute of Medical Biostatistics, Epidemiology and Informatics, Biometrics Department, University Medical Center Mainz, Mainz, Germany
| | - Philipp S Wild
- Preventive Cardiology and Preventive Medicine-Department of Cardiology, University Medical Center Mainz, Mainz, Germany
| | - Christoph Matthias
- Department of Otorhinolaryngology, University Medical Center Mainz, Mainz, Germany
| | - Katharina Bahr
- Department of Otorhinolaryngology, University Medical Center Mainz, Mainz, Germany
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