Molecular Characterization of Alkaline Phosphatase and PLAP in the Germinal Epithelium of Pb and Se+Zn Treated Adult Sprague Dawley Rats

Falana, BA and Ogundele, OM and Duru, FI and Oshinubi, AA and Falode, DT (2013) Molecular Characterization of Alkaline Phosphatase and PLAP in the Germinal Epithelium of Pb and Se+Zn Treated Adult Sprague Dawley Rats. Cell Dev Biol, 2 (3). pp. 1-4. ISSN 2168-9296

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molecular-characterization-of-alkaline-phosphatase-and-plap-in-the-germinal-epithelium-of-pb-and-se-zn-treated-adult-sprague-dawley-rats-2168-9296.1000122.pdf

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Abstract

Aim: The role of alkaline phosphatase in cell metabolism and regulation is essential and cuts across cell proliferation, division, cell death, membrane transport and DNA cleavage. This study addresses the role and importance of alkaline phosphates (ALP) and Placenta Alkaline phosphatase (PLAP) in the cells of germinal epithelium of male Rat testes following induced lead (Pb) toxicity and rejuvenation by Selenium (Se) and Zinc (Zn) treatment. Method: Adult Sprague-Dawley Rats (males) were divided into 4 groups of 15 animals each and were treated as thus; Group 1: Normal saline and serves as the control, Group 2: 100 mg/Kg BW of Pb only, Group 3: 100 mg/Kg BW of Pb and 2.25 mg/Kg each of Se and Zn and group 4 received 2.25 mg.Kg each of Se and Zn only. The duration of treatment was 56 days following which the animals were sacrificed by the 57th day and testes fixed in Bouin’s fluid. Result: Pb induced toxicity could be apoptotic involving ROS activation of NO-dependent apoptotic pathway or necrotic involving a wide range damage by ROS induced lipid peroxidation. Selenium and zinc treatment ameliorated the damage induced by lead toxicity in the germinal epithelium. Conclusion: ALP is involved in intrinsic regulation of DNA cleavage in apoptosis by functioning similar to endonucleases and also regulates membrane transport in perioxidated biomembranes. PLAP expression is minimal as tumorgenesis was not recorded, although Pb treatment showed signs of epithelium of endothelial cancer signalling, which was ameliorated by Se+Zn treatment.

Item Type: Article
Uncontrolled Keywords: Lead; Selenium; Zinc; Cell Death; Toxicity; Germinal Epithelium; Alkaline Phosphatase
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Q Science > QL Zoology
R Medicine > R Medicine (General)
Divisions: Faculty of Engineering, Science and Mathematics > School of Chemistry
Depositing User: Mr Tayo Okunlola
Date Deposited: 07 Jun 2016 12:50
Last Modified: 07 Jun 2016 12:50
URI: http://eprints.abuad.edu.ng/id/eprint/882

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