Effects of Potassium Permanganate on vitellogenin gene expression in male Nile tilapia (Oreochromis niloticus) exposed to Phenol pollution | ||||
Damanhour Journal of Veterinary Sciences | ||||
Article 3, Volume 1, Issue 1, 2019, Page 13-16 PDF (363.86 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/DJVS.23053 | ||||
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Authors | ||||
Ismael Abo-Ghanema1; Sherif Nasr2; Hamza Abdalrahman 3; Ali El-Far 4 | ||||
1Department of Physiology, Faculty of Veterinary Medicine, Damanhour University, Egypt. | ||||
2Animal Husbandry and Animal Wealth Department, Faculty of Veterinary Medicine, Damanhour University, Egypt. | ||||
3Department physiology, Faculty of veterinary medicine, Omar Al-Mukhtar University, Libya. | ||||
4Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Egypt. | ||||
Abstract | ||||
Vitellogenin is a large serum phospholipoglycoprotein normally produced in the liver of female oviparous vertebrates in response to circulating endogenous estrogen. It is taken up by the ovary as a precursor of egg yolk proteins. Vitellogenin is normally undetectable in the plasma of males as they lack circulating estrogen, although its gene can be induced by estrogen exposure. The present study was carried out on fifty male Nile tilapia (Oreochromis niloticus). Fish divided into equal five groups(n=10), control group (Group1) and four treated groups; Group 2 exposed to 10mg phenol/L, Group 3 exposed to 5ppm potassium permanganate/L, Group 4 and Group 5 exposed to mixture of potassium permanganate 2.5 ppm and 5ppm respectively with phenol 10mg/L. After four weeks of exposure, tissues and blood samples were taken and the results showed that plasma testosterone level was decreased in the Group2 treated with phenol while plasma vitellogenin and vitellogenin gene expression were increased. In the Group exposed to potassium permanganate only Group3 or exposed to a mixture of potassium permanganate in addition to phenol Group 4,5 resulted in lowering of plasma vitellogenin and vitellogenin gene expression also increased of testosterone hormone compared to group2. The results of the present study reinforce the efficiency of potassium permanganate as an oxidative agent in the amelioration of the toxic effects of phenol pollution in aquaculture. | ||||
Keywords | ||||
Gene expression; Phenol pollution; potassium permanganate; Tilapia fish; Vitellogenin | ||||
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