Prophylactic effect of tamoxifen against induction of mammary carcinoma | ||||
| The Egyptian Journal of Hospital Medicine | ||||
| Article 10, Volume 14, Issue 1, January 2004, Page 104-114 PDF (840.34 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejhm.2004.18225 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Gabri MS1; Osman AM2; El-Sayed MM2; Negm Somaia.A2 | ||||
| 1Department of Zoology, faculty of science, Helwan University | ||||
| 2Pharmacology and Experimental therapeutic Unit, Cancer biology Dep., National Cancer Institute, Cairo University | ||||
| Abstract | ||||
| Tamoxifen (TAM) is a potent anticancer agent known to interrupt the enhanced estrogen activity of malignant mammary gland cells, The mechanism of tamoxifen’s anti-tumor activity is primarily due to its anti estrogen action. Female Swiss albino mice were used in the present study and divided into:- normal control group, two Ehrlich ascites carcinoma (EAC) control groups [treated interaperitonealy(IP) and subcutaneously (Sc)], tamoxifen treated only group, tamoxifen pre treated then EAC (S.C) injected group and tamoxifen pre treated then EAC (I.P) injected group. The present results showed a significant decrease in tumor volume and a significant increase in the survival time in the pre-treated group compared to untreated group. There was a pathological change in the uterine tissues of the tamoxifen treated mice in the form of squamous metaplasia and dysplasia of glandular epithelial . The kidney tissues showed a minimal pathological change in the form of a focal renal lesion in the renal tubular epithelium. in conclusion the present study showed that tamoxifen has a prophylactic effect against experimental mammary carcinoma. And exerts some side effects on the histopathological structure of the uterine and kidney tissues. Key words: Tamoxifen, Mammary carcinoma, experimental, prophylactic, side effect. | ||||
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