Effects of L-Serine Against Cisplatin-Mediated Reactive Oxygen Species Generation in Zebrafish Vestibular Tissue Culture and HEI-OC1 Auditory Hybridoma Cells

被引:0
作者
Jerry D. Monroe
Satya A. Moolani
Elvin N. Irihamye
Alexandra M. Johnston
Michael E. Smith
机构
[1] Western Kentucky University,Biology Department
来源
Neurotoxicity Research | 2021年 / 39卷
关键词
Cisplatin; L-serine; Reactive oxygen species; Zebrafish tissue culture; HEI-OC1 cells; Ototoxicity;
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摘要
Cisplatin is a platinum-based chemotherapy compound effective against a variety of cancers. However, it can cause increased reactive oxygen species (ROS) production in auditory and vestibular tissue leading to permanent hearing and balance loss. The amino acid, L-serine, has been shown to reduce ROS in some tissue types. In this project, we first investigated whether L-serine could reduce cisplatin-mediated ROS generation in zebrafish utricular tissue culture using spectrophotometry and the fluorescent ROS detector dye, H2DCFDA. Then, we examined whether L-serine could prevent the effect of cisplatin against cellular viability in the mouse auditory hybridoma cell line, HEI-OC1, using the spectrophotometric (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) (MTT) assay. As a final step, we used H2DCFDA dye and flow cytometry analysis to determine if L-serine could counteract the effect of cisplatin on ROS production in this cell line. We found that cisplatin and L-serine treatment may influence ROS production in utricular tissue. Further, although L-serine did not counteract the effect of cisplatin against HEI-OC1 cellular viability, the amino acid did prevent the platinum compound’s effect to increase ROS in these cells. These results suggest that L-serine may act in auditory and vestibular tissues as an effective protectant against cisplatin-mediated toxicity.
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页码:36 / 41
页数:5
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