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Tight junctions (TJs) are essential components of eukaryotic cells, and serve as paracellular barriers and zippers between adjacent tissues. TJs are critical for normal functioning of the organ of Corti, a part of the inner ear that causes loss of sensorineural hearing when damaged. To investigate the relation between genes involved in TJ function and(More)
EYA4 and GRHL2 encode transcription factors that play an important role in regulating many developmental stages. Since EYA4 and GRHL2 were identified as the transcription factors for the DFNA10 and DFNA28, 8 EYA4 mutations and 2 GRHL2 mutations have been reported worldwide. However, these genes have been reported in few studies of the Korean population. In(More)
The EYA1 gene is known as the causative gene of BOR (Branchio-oto-renal) syndrome which is a genetic disorder associated with branchial cleft cysts of fistulae, hearing loss, ear malformation, and renal anomalies. Although approximately 40 % of patients with BOR syndrome have mutations in the EYA1 gene and over 130 disease-causing mutations in EYA1 have(More)
The methionine sulfoxide reductase (Msr) family of proteins is a class of repair enzymes that reduce methionine-S (MsrA) or methionine-R (MsrB) sulfoxide to methionine. Recent studies have reported that mutations in the MSRB3 gene cause autosomal recessive hearing loss in humans, and in mice MsrB3 deficiency leads to profound hearing loss due to hair cell(More)
Amikacin is a semi-synthetic aminoglycoside widely used to treat infections caused by gentamicin-resistant gram-negative organisms and nontuberculous mycobacteria. However, the use of this agent often results in ototoxicity due to the overproduction of reactive oxygen species (ROS). Galangin, a natural flavonoid, has been shown to play a protective role(More)
Cisplatin (cis-diaminedichloridoplatinum(II), cis-[PtCl2(NH3)2]) is an effective chemotherapeutic agent in the treatment of several types of malignant solid tumors but its clinical use is associated with ototoxicity. Several studies have investigated the effect of antioxidants on cisplatin-induced ototoxicity in mice. The triazole KPR-A020 has been shown to(More)
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