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The protective efficacy of vitamin E and cod liver oil against cisplatin-induced acute kidney injury in rats

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Abstract

Cisplatin (CP) is a highly effective chemotherapeutic agent against neoplasms, but its clinical utility is limited due to the side effects of its dose-dependent nephrotoxicity. Vitamin E (Vit E) and cod liver oil (CLO) are natural substances with chemoprotective effects. The present study was conducted to evaluate the protective effects of Vit E and/or CLO for CP-induced acute kidney injury (AKI) in rats. This study involved 40 mature male Wistar albino rats that were equally allocated into eight groups: Veh, Vit E, CLO, Vit E + CLO, CP, Vit E + CP, CLO + CP, and Vit E + CLO + CP. The co-administration of Vit E and CLO significantly ameliorated CP-induced elevations in serum creatinine (Cr), blood urea nitrogen (BUN), interleukin 1 beta (IL-1β), and interleukin- 6 (IL-6). Further, rats that received Vit E and/or CLO showed significant decrease in malondialdehyde (MDA) and increases in superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH) levels in renal tissues, compared to CP-intoxicated rats. Additionally, the treatment restored the normal histological architecture (except for few cast formations) and upregulated the immunostaining area% of aquaporin 3 (AQP3) and downregulated the immunostaining area% of Bcl2 associated X protein (BAX) and inducible nitric oxide synthase (iNOS). The observed effects were stronger in the combination treatment group. The obtained data revealed that Vit E and CLO co-administration protects against the CP-induced AKI more than monotherapy with Vit E or CLO.

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Abbreviations

AKI:

Acute kidney injury

BAX:

Bcl2-associated X protein

BW:

Body weight

BW/KW:

Body weight/kidney weight

EPA:

Eicosapentaenoic acid

IL-1β:

Interleukin 1 beta

IL-6:

Interleukin-6

Vit E:

Vitamin E

CP:

Cisplatin

CLO:

Cod liver oil

CAT:

Catalase

DHA:

Docosahexaenoic acid

GSH:

Glutathione

KW:

Kidney weight

ROS:

Reactive oxygen species

PUFAs:

Polyunsaturated Fatty Acids

Cr:

Creatinine

BUN:

Blood urea nitrogen

MDA:

Malondialdehyde

SOD:

Super oxide dismutase

H&E:

Hematoxylin and eosin

PAS:

Periodic acid-Schiff

AQP3:

Aquaporin 3

iNOS:

Inducible nitric oxide synthase

Veh:

Vehicle

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Acknowledgments

This work was supported by King Saud University, Deanship of Scientific Research, College of Science Research Center.

Funding

This work was supported by King Saud University, Deanship of Scientific Research, College of Science Research Center.

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Correspondence to Mohamed M. Abdel-Daim.

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The authors declare that they have no conflict of interest.

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Responsible Editor: Philipp Gariguess

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Abo-Elmaaty, A.M.A., Behairy, A., El-naseery, N.I. et al. The protective efficacy of vitamin E and cod liver oil against cisplatin-induced acute kidney injury in rats. Environ Sci Pollut Res 27, 44412–44426 (2020). https://doi.org/10.1007/s11356-020-10351-9

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  • DOI: https://doi.org/10.1007/s11356-020-10351-9

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