Abstract Title:

Geraniol protects against cyclophosphamide-induced hepatotoxicity in rats: Possible role of MAPK and PPAR-γ signaling pathways.

Abstract Source:

Food Chem Toxicol. 2020 May ;139:111251. Epub 2020 Mar 17. PMID: 32171873

Abstract Author(s):

Mahmood Jasim Mohammed, Mariane G Tadros, Haidy E Michel

Article Affiliation:

Mahmood Jasim Mohammed


Cyclophosphamide (CP) is one of the famous anti-cancer drugs. However, CP-induced hepatotoxicity is a dose-limiting side effect. The present study aimed to investigate the potential protective effect of geraniol (GOH), the main ingredient of Palmarosa oil and rose oil, against CP-induced hepatotoxicity in rats. Results showed that CP provoked a marked elevation in serum levels of alanine aminotransferase, aspartate aminotransferase and alkaline phosphatase. In addition, oxidative stress was significantly boosted in CP-treated rats as compared to control rats. On the other hand, GOH (200 mg/kg, p.o.) administration attenuated CP-evoked disturbances in the above-mentioned parameters. Moreover, histopathological aberrations in CP-treated rats were significantly ameliorated in GOH-treated rats. GOH markedly abrogated CP-induced inflammation via decreasing the protein expression of nuclear factor-kappa B, inducible nitric oxide synthase and cyclo-oxygenase 2, as well as reducing the levels of pro-inflammatory cytokines in CP-treated rats. CP induced activation of MAPK; p38 and JNK and diminished PPAR-γ protein expression. GOH effectively reversed all these effects. In conclusion, GOH is suggested to be a potential candidate for attenuation of CP-induced hepatotoxicity. This effect is attributed to its antioxidant and anti-inflammatory activities, as well as, modulation of MAPK and PPAR-γ signaling pathways.

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