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논문 기본 정보

자료유형
학술저널
저자정보
김장현 (Department of Neurology Chonnam National University Hospital Gwangju Korea) 이보라 (Department of Biochemistry Chonnam National University Medical School Gwangju Korea) 이성수 (Department of Otolaryngology-Head and Neck Surgery Chonnam National University Hospital Chonnam National University Medical School Gwangju Korea) 김준태 (전남대학교 의과대학 신경과학교실 뇌혈관센터) 김병채 (전남대학교 의과대학 신경과학교실) 조형호 (전남대학교병원 이비인후과)
저널정보
대한이비인후과학회 Clinical and Experimental Otorhinolaryngology Clinical and Experimental Otorhinolaryngology 제16권 제2호
발행연도
2023.5
수록면
115 - 124 (10page)

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Objectives. Age-related hearing loss (ARHL), or presbycusis, is caused by disorders of sensory hair cells and auditory neu-rons. Many studies have suggested that the accumulation of mitochondrial DNA damage, the production of reactiveoxygen species, noise, inflammation, and decreased antioxidant function are associated with subsequent cochlear se-nescence in response to aging stress. Long non-coding RNA (lncRNA) has been reported to play important roles invarious diseases. However, the function of lncRNA in ARHL remains unclear. In this study, we analyzed the commonexpression profiles of messenger RNA (mRNA) and lncRNA through ARHL-related RNA-sequencing datasets. Methods. We selected and downloaded three different sets of RNA-sequencing data for ARHL. We performed differentialexpression analysis to find common mRNA and lncRNA profiles in the cochleae of aged mice compared to youngmice. Gene Ontology (GO) analysis was used for functional exploration. Real-time quantitative reverse-transcriptionpolymerase chain reaction (qRT-PCR) was performed to validate mRNAs and lncRNAs. In addition, we performedtrans target prediction analysis with differentially expressed mRNAs and lncRNAs to understand the function ofthese mRNAs and lncRNAs in ARHL. Results. We identified 112 common mRNAs and 10 common lncRNAs in the cochleae of aged mice compared to youngmice. GO analysis showed that the 112 upregulated mRNAs were enriched in the defense response pathway. Whenwe performed qRT-PCR with 1 mM H2O2-treated House Ear Institute-Organ of Corti 1 (HEI-OC1) cells, the qRT-PCR results were consistent with the RNA-sequencing analysis data. lncRNA-mRNA networks were constructed us-ing the 10 common lncRNAs and 112 common mRNAs in ARHL. Conclusion. Our study provides a comprehensive understanding of the common mRNA and lncRNA expression profiles inARHL. Knowledge of ARHL-associated mRNAs and lncRNAs could be useful for better understanding ARHL andthese mRNAs and lncRNAs might be a potential therapeutic target for preventing ARHL.

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