Article Publish Status: FREE
Abstract Title:

The Protective Effect of Nigella sativa Oil against Experimentally Induced Cisplatin Ototoxicity: An Animal Study.

Abstract Source:

J Int Adv Otol. 2020 Dec ;16(3):346-352. PMID: 33136014

Abstract Author(s):

Numan Kökten, Oğuz Kadir Eğilmez, Murat Erinç, A Işın Doğan Ekici, Serkan Şerifler, Erdem Yeşilada, Mahmut Tayyar Kalcıoğlu

Article Affiliation:

Numan Kökten


OBJECTIVES: The objective of this study was to investigate the potential protective effect of Nigella sativa oil (NSO) against cis-diamminedichloroplatinum or cisplatin (CDDP)-induced ototoxicity.

MATERIALS AND METHODS: Twenty-four Wistar albino rats were randomly and equally divided into four groups. Groups 1 and 2 were given a total of 15 mg/kg CDDP intraperitoneally, which was divided equally into three doses on days 1, 3, and 5. Group 2 was treated via gavage feeding with 15 ml NSO that was divided into five doses on days 1, 3, 5, 7, and 9. Groups 3 and 4 received only 15 ml of NSO and 15 ml of 0.9% saline solution, respectively, which were orally administered and divided into five doses on days 1, 3, 5, 7, and 9. Baseline high-frequency (8, 12, 16, and 32 kHz) auditory brainstem response (ABR) measurements were collected in all the groups before the medical administrations and were repeated on the 14th day before sacrifice. Afterward, a histopathological evaluation of the cochlea was performed.

RESULTS: There was a significant difference in the histopathological changes between group 1 and the other groups (p<0.01). Changes in the spiral ganglion cells, the stria vascularis, and the external ciliated cells were significantly different between groups 1 and 2 (p=0.019, 0.039, and 0.045, respectively). The ABR results revealed significant differences in the 16 and 32 kHz measurements between groups 1 and 2 (p=0.013 and p<0.01, respectively).

CONCLUSION: According to the results, NSO may have a protective effect on cochlear function against the disruptive effects of CDDP in rats.

Study Type : Animal Study

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