alexa Protective Role of Grape Seeds Extract against Cadmium Toxicity in the Lung of Male Wistar Rats
ISSN: 2157-7099

Journal of Cytology & Histology
Open Access

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Research Article

Protective Role of Grape Seeds Extract against Cadmium Toxicity in the Lung of Male Wistar Rats

Baiomy AA1,2*

1Department of Zoology, Faculty of Science, Cairo University, Egypt

2Department of Zoology, Faculty of Applied Medical Sciences, Taif University, Airport Rd, Al Huwaya, Saudi Arabia

*Corresponding Author:
Baiomy AA
Department of Zoology, Faculty of Science
Cairo University, Egypt
Tel: +20 1141800984
E-mail: [email protected]

Received Date: January 08, 2016; Accepted Date: February 10, 2016; Published Date: February 12, 2016

Citation: Baiomy AA (2016) Protective Role of Grape Seeds Extract against Cadmium Toxicity in the Lung of Male Wistar Rats. J Cytol Histol S5:004. doi:10.4172/2157-7099.S5-004

Copyright: © 2016 Baiomy AA. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Objective: This study was done on 40 male wistar rats to evaluate the curative and protective effect of grape seeds extract on oxidative damage, inflammatory and apoptotic insult on lung tissue induced by cadmium chloride toxicity.
Materials and Methods: The rats were classified to control group (group I), cadmium chloride group (group II), grape seeds extract group (group III) and mixture of grape seeds extract and cadmium chloride group (group IV). At the end of the experimental period, the lungs were collected and fixed in formalin saline (10%) for histopathological and immunohistochemical studies. Serum samples and frozen lungs were used for biochemical analyses.
Results: The rats groups treated with grape seed showed a significant attenuated oxidative stress by reducing lung tissue malondialdehyde and improving glutathione peroxidase content as well as antioxidant enzymes activities in lung tissues and serum total antioxidant capacity in comparison to group II. The lung tissue of the group II is characterized by thick interalveolar septum, congested and edematous blood vessels. Diffuse and circumscribed lymphocytic infiltration especially around the bronchioles with hyperplasia in the lining cells. Most of the lung tissue showed normal structure as that of the control group except some blood vessels showed congestion in group IV. The immunohistochemical results were negative immunostaining for bcl-2, positive for bax and ki67 in the cadmium treated group, while showed positive immunostaining for bcl-2 in group IV.
Conclusion: The addition of grape seeds extract improves the hazard toxic effect of cadmium chloride in the lung tissue through its powerful free radical scavenging property, strong antioxidant activity and effective anti-apoptotic potential.


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