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Genome-wide association meta-analysis identifies 48 risk variants and highlights the role of the stria vascularis in hearing loss
American Journal of Human Genetics ( IF 8.1 ) Pub Date : 2022-05-16 , DOI: 10.1016/j.ajhg.2022.04.010
Natalia Trpchevska 1 , Maxim B Freidin 2 , Linda Broer 3 , Berthe C Oosterloo 4 , Shuyang Yao 5 , Yitian Zhou 1 , Barbara Vona 6 , Charles Bishop 7 , Argyro Bizaki-Vallaskangas 8 , Barbara Canlon 1 , Fabio Castellana 9 , Daniel I Chasman 10 , Stacey Cherny 11 , Kaare Christensen 12 , Maria Pina Concas 13 , Adolfo Correa 14 , Ran Elkon 15 , 16 , Jonas Mengel-From 17 , Yan Gao 18 , Anne B S Giersch 19 , Giorgia Girotto 20 , Alexander Gudjonsson 21 , Vilmundur Gudnason 22 , Nancy L Heard-Costa 23 , Ronna Hertzano 24 , Jacob V B Hjelmborg 25 , Jens Hjerling-Leffler 26 , Howard J Hoffman 27 , Jaakko Kaprio 28 , Johannes Kettunen 29 , Kristi Krebs 16 , Anna K Kähler 5 , Francois Lallemend 30 , Lenore J Launer 31 , I-Min Lee 32 , Hampton Leonard 33 , Chuan-Ming Li 27 , Hubert Lowenheim 34 , Patrik K E Magnusson 5 , Joyce van Meurs 3 , Lili Milani 16 , Cynthia C Morton 35 , Antti Mäkitie 36 , Mike A Nalls 33 , Giuseppe Giovanni Nardone 13 , Marianne Nygaard 17 , Teemu Palviainen 28 , Sheila Pratt 37 , Nicola Quaranta 38 , Joel Rämö 28 , Elmo Saarentaus 28 , Rodolfo Sardone 9 , Claudia L Satizabal 39 , John M Schweinfurth 7 , Sudha Seshadri 39 , Eric Shiroma 40 , Eldad Shulman 15 , Eleanor Simonsick 41 , Christopher Spankovich 7 , Anke Tropitzsch 34 , Volker M Lauschke 1 , Patrick F Sullivan 42 , Andre Goedegebure 4 , Christopher R Cederroth 43 , Frances M K Williams 2 , Andries Paul Nagtegaal 4
Affiliation  

Hearing loss is one of the top contributors to years lived with disability and is a risk factor for dementia. Molecular evidence on the cellular origins of hearing loss in humans is growing. Here, we performed a genome-wide association meta-analysis of clinically diagnosed and self-reported hearing impairment on 723,266 individuals and identified 48 significant loci, 10 of which are novel. A large proportion of associations comprised missense variants, half of which lie within known familial hearing loss loci. We used single-cell RNA-sequencing data from mouse cochlea and brain and mapped common-variant genomic results to spindle, root, and basal cells from the stria vascularis, a structure in the cochlea necessary for normal hearing. Our findings indicate the importance of the stria vascularis in the mechanism of hearing impairment, providing future paths for developing targets for therapeutic intervention in hearing loss.



中文翻译:


全基因组关联荟萃分析确定了 48 种风险变异,并强调了血管纹在听力损失中的作用



听力损失是造成残疾的主要原因之一,也是痴呆症的危险因素。关于人类听力损失细胞起源的分子证据正在不断增加。在这里,我们对 723,266 名个体的临床诊断和自我报告的听力障碍进行了全基因组关联荟萃分析,并确定了 48 个显着位点,其中 10 个是新的。很大一部分关联包含错义变异,其中一半位于已知的家族性听力损失基因座内。我们使用来自小鼠耳蜗和大脑的单细胞 RNA 测序数据,并将常见变异基因组结果映射到来自血管纹的纺锤体、根和基底细胞,血管纹是耳蜗中正常听力所必需的结构。我们的研究结果表明了血管纹在听力损伤机制中的重要性,为开发听力损失治疗干预的目标提供了未来的途径。

更新日期:2022-05-16
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