Environmental pollution is the unfavorable alteration of our environment, wholly or mainly as a by-product of human actions, by the direct or indirect effects of changes in energy patterns, radiation levels, the chemical and physical constitution, and the abundance of the organisms. Thus, the environment's pollution is one of the most severe problems humanity and other forms of life face today on our planet, and this population makes severe disruption. The xenobiotic substances responsible for this pollution are numerous and diverse due to multiple human activities that can be the source. However, attention mainly focuses on fertilizers, pesticides, heavy metals, and certain petrochemicals of significant consumption, such as solvents. The purpose of this study is to highlight the reprotoxic and hepatotoxic effects of Ethylene Glycol Monoethyl Ether (EGME) on male Wistar rats. Male Wistar rats were exposed to Ethylene Glycol Monomethyl Ether alone (EGME) (500 mg/kg), combined with the aqueous extract of the pollen grains of Sinapis arvensis (P-EGME) (300 mg/kg), in addition to the control (T) and positive control (P) groups for a period of 4 weeks by gavage, to estimate the protective role of this plant against the intoxication of EGME. The results show that EGME can induce reprotoxic effects revealed by a reduction in testes and epididymis mass accompanied by decreased male fertility indicators (sperm concentration). The results also show that treatment with EGME caused a reduction in the red blood cell number, hemoglobin and hematocrit rate, white blood cells in the treated groups compared to the control groups. The present study revealed that treatment with Ethylene Glycol Monoethyl Ether (EGME) under the same experimental conditions could affect several biological markers, especially male fertility. Besides, the protective activity of the wild mustard (Sinapis arvensis) pollen in the face of cellular oxidative damage induced by EGME. So, it is suggested that this pollen could be used as a cell protector.
Background and Aim: Humans are more frequently exposed to chemicals in daily life by inhalation of indoor and outdoor air. However, abusers and workers are the most exposed to those chemicals and their health risks particularly, liver diseases. The present study investigated the protective effects of pomegranate juice (PJ) (Punica granatum) and pomegranate peel aqueous extract (PAE) supplementation against toluene (Tol)-induced hepatotoxicity in Wistar rats. Materials and Methods: A phytochemical analysis and assessment of the 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity were performed for the PJ and the PAE. The in vivo study was carried out using 70 Wistar rats that were divided into seven groups, each consisting of 10 rats. All groups were treated orally for 6 weeks as follows: Control (C), positive controls (CO: 1.25 mL/kg body weight [BW]; PJ: 4 mL/kg BW; and PAE: 400 mg/kg BW), Tol (550 mg/kg BW), and a mixture each of PJ-Tol and PAE-Tol. At the end of the 45th day of study, the hepatic biochemical markers (transaminases, alkaline phosphatase, total bilirubin, albumin, and total proteins) were auto-analyzed, as well as histology and oxidative stress markers of the liver were evaluated. Results: The phytochemical analysis revealed that the DPPH scavenging activity and the total phenolic, flavonoid, and tannin contents were higher in the pomegranate peel extract versus the juice. The results also showed that Tol significantly increased liver enzyme activities and total bilirubin levels, whereas albumin and total proteins were significantly decreased. Similarly, Tol provoked a significant increase in hepatic malondialdehyde levels, with a decrease in glutathione content and glutathione peroxidase activity. The biochemical changes agreed with the hepatic histological alterations. A significant improvement in all parameters was observed in the PAE-Tol group compared with the PJ-Tol group. Conclusion: Exposure to Tol altered the hepatic antioxidant and biochemical parameters and histological profile of the rats, and PAE was more powerful than PJ in reducing Tol liver injuries through its antioxidant activity.
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