ArticleInternational journal of molecular sciences2022
Pravastatin Administration Alleviates Kanamycin-Induced Cochlear Injury and Hearing Loss.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Remnant cholesterol and auditory outcomes in NHANES 1999-2016: associations with frequency-range hearing loss and tinnitus.Lipids in health and disease · 2026Article
- Cross-Sectional and Longitudinal Analyses of the Association Between Statin Use and Age-Related Hearing Loss.Drugs & aging · 2026Article
- Pharmacological Approaches to Hearing Loss.Pharmacological reviews · 2024Review
- Effect of statins on hearing outcome in patients with idiopathic sudden sensorineural hearing loss.Laryngoscope investigative otolaryngology · 2023Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
The effect of statins on aminoglycoside-induced ototoxicity is controversial. This study aimed to explore the role of pravastatin (PV) in kanamycin-induced hearing loss in rats. Adult rats were intraperitoneally treated with 20 mg/kg/day of kanamycin (KM) for 10 days. In the PV- and PV + KM-treated rats, 25 mg/kg/day of PV was intraperitoneally administered for 5 days. The auditory brainstem response (ABR) thresholds were measured before and after drug treatment using a smartEP system at 4, 8, 16, and 32 kHz. Cochlear changes in poly ADP-ribose (PAR) polymerase (PARP), PAR, and caspase 3 were estimated using Western blotting. PV administration did not increase the ABR thresholds. The KM-treated rats showed elevated ABR thresholds at 4, 8, 16, and 32 kHz. The PV + KM-treated rats demonstrated lower ABR thresholds than the KM-treated rats at 4, 8, and 16 kHz. The cochlear outer hair cells and spiral ganglion cells were relatively preserved in the PV + KM-treated rats when compared with that in the KM-treated rats. The cochlear expression levels of PARP, PAR, and caspase 3 were higher in the KM-treated rats. The PV + KM-treated rats showed lower levels of PARP, PAR, and caspase 3 than the KM-treated rats. PV protected cochleae from KM-induced hearing loss in rats. The regulation of autophagy and apoptosis mediated the otoprotective effects of PV.
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