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Somatosensory and Motor Research 2017-Sep

Protective effect of alpha-linolenic acid on gentamicin-induced ototoxicity in mice.

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Krækjan er vistuð á klemmuspjaldið
Halil Mahir Kaplan
Ergin Şingirik
Kıvılcım Eren Erdoğan
Figen Doran

Lykilorð

Útdráttur

Alpha-linolenic acid is one of the fatty acids known as omega 3. Previous studies have shown the antioxidant and anti-inflammatory effects of alpha-linolenic acid, which prevented cell damage by inhibiting apoptotic pathway. Also, it is known that gentamicin activates apoptotic mediators and causes necrosis in the kidney. Due to this reason, we planned a study to evaluate the protective effects of alpha-linolenic acid on gentamicin induced ototoxicity by evaluating inflammation and apoptotic mediators. For this purpose, 100 mg/kg gentamicin (i.p; intraperitoneally) and 200 mg/kg alpha-linolenic acid (gavage) are administered to mice for 9 days. On 9th and 10th days, rotarod performance was assessed to test the effect of gentamicin and alpha-linolenic acid treatment on the motor coordination of mice. Gentamicin treatment decreased fall latency of mice and gentamicin treatment together with alpha-linolenic acid increased fall latency of mice. Gentamicin treatment also increased expression of phospholipase A2(plA2), cyclooxygenase-2(COX-2) and inducible nitric oxide syntheses (iNOS). Furthermore, it increased Bax and caspase-3, which are proapoptotic proteins and decreased bcl-2 that is an antiapoptotic protein. Gentamicin treatment together alpha-linolenic acid recovered the change of expression of these enzymes. In conclusion, this study showed that alpha-linolenic acid will be useful to prevent gentamicin-induced ototoxicity by inhibiting apoptosis and inflammation.

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