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Effect of Cisplatin on Hair Cell Morphology and Lateral Wall Na, K-ATPase Activity

The dose-response ototoxic effects of cisplatin were studied in guinea pigs. Loss of Preyer reflex and suppression of the N1 amplitude occurred in cisplatin-treated animals and was described as dose-related. Drug-induced hair cell damage, as observed with scanning electron microscopy, occurred sporadically throughout the turns of the cochlea and the incidence increased with dose. Na, K-ATPase activity in the lateral wall tissues was not significantly different between treatment groups. The results reported here indicate that cisplatin ototoxicity was dose-dependent, but was not directly related to Na,K-ATPase activity in the lateral wall.

Identiferoai:union.ndltd.org:ETSU/oai:dc.etsu.edu:etsu-works-14539
Date01 January 1987
CreatorsBarron, Sarah E., Daigneault, Ernest A.
PublisherDigital Commons @ East Tennessee State University
Source SetsEast Tennessee State University
Detected LanguageEnglish
Typetext
SourceETSU Faculty Works

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