4.4 Article

Costus speciosus extract protects against the oxidative damage of zearalenone via modulation of inflammatory cytokines, Nrf2 and iNOS gene expression in rats

期刊

TOXICON
卷 214, 期 -, 页码 62-73

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PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.toxicon.2022.05.002

关键词

Zearalenone; Mycotoxins; Costus speciosus; Genotoxicity; Cytotoxicity; Oxidative damage

资金

  1. National Research Centre, Dokki, Cairo, Egypt [12050305]
  2. Ferhat Abbes University, Setif 1, Algeria

向作者/读者索取更多资源

This study investigated the protective effects of Costus speciosus extract (CSE) against Zearalenone (ZEN)-induced oxidative damage, genotoxicity, and cytotoxicity. The results showed that CSE could alleviate ZEN toxicity through its antioxidant activity, modulation of iNOS, inflammatory related genes, and the Nrf2 pathway.
Zearalenone (ZEN) is a non-steroidal estrogenic mycotoxin that induces severe health disturbances in humans and animals. This study aimed to determine the bioactive compounds in Costus speciosus extract (CSE) using GC MS and evaluate its protective capability against ZEN-induced oxidative damage, genotoxicity, and cytotoxicity in rats. Six groups of male Sprague Dawley rats were treated orally for 15 days including the control group, CSEtreated groups at low (200 mg/kg b. w) or high (400 mg/kg b. w) dose, ZEN-treated group (40 mu g/kg b. w), and the groups treated with ZEN plus the low or the high dose of CSE. Blood and tissue samples were collected for different assays and pathological analyses. The results of GC-MS indicated the identification of 6 compounds and Azulene was the major. Animals that received ZEN showed severe disturbances in serum biochemical, cytokines, oxidative stress indicators, mRNA expression of iNOS, Nrf2, and inflammatory-related genes. ZEN also increased micronucleated polychromatic erythrocytes (MNPCEs) and comet tail formation in bone marrow cells along with the disturbances in the histological architecture of the liver and kidney. Co-administration of CSE plus ZEN could normalize the majority of the tested parameters and the histological picture at a dose as low as 200 mg/kg b. w. Therefore, CSE protects against ZEN toxicity via its antioxidant activity, modulation of iNOS, inflammatory related genes, and the Nrf2 pathway and it could be used in the endemic regions.

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