Cochlear Cell Death Induced Via Cisplatin or Gentamycin in Combination with Furosemide in Rodents
Department of Otorhinolaryngology, Shanghai 6th People’s Hospital, Shanghai 200233, China
- *Corresponding Author:
- Li Xia
Department of Otorhinolaryngology
Shanghai 6th People’s Hospital, Shanghai 200233, China
E-mail: [email protected]
Received date: July 20, 2013; Accepted date: August 23, 2013; Published date: August 29, 2013
Citation: Xia L (2013) Cochlear Cell Death Induced Via Cisplatin or Gentamycin in Combination with Furosemide in Rodents. J Clin Toxicol 3:166. doi: 10.4172/2161-0495.1000166
Copyright: © 2013 Xia L. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Ototoxic models of animal represent an elemental tool in basic otological research. In the present study, using guinea pigs we compared cochlear lesions mediated via cisplatin applied in terms of two regimens: consecutive application alone and in combination with furosemide. The influences of furosemide alone were also assessed; it was observed to result in temporary hearing loss and reversible damage to the stria vascularis. Consecutive administration of cisplatin alone tended to be disadvantageous because it bred progressive body weight loss and higher mortality compared with the combined regimen, which utilized a smaller cisplatin dose. The combined regimen brought about remarkable hair cell loss without corresponding lesion of spiral ganglion neurons. This difference suggests that the co-administered regimen did not mimic the damage to cochlear neuronal innervation caused by clinical application of cisplatin. In the meantime, we spread this method to the ototoxic model build in mice. Coadministration of gentamicin and furosemide caused marked hair cell loss as well as less mortality compared with consecutive application of gentamicin in mice. Due to different pharmacokinetics between cisplatin in guinea pigs and gentamicin in mice, the injection regimens of co-administration of furosemide - cisplatin in guinea pigs and gentamicin – furosemide in mice were varied. Overall, the methods of co-administration of cisplatin/gentacimin and furosemide in rodents facilitate ototoxic model build.