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Year : 2014  |  Volume : 46  |  Issue : 1  |  Page : 113-116

Effect of ovarian sex hormones on non-steroidal anti-inflammatory drug-induced gastric lesions in female rats

Department of Pharmacology, University College of Medical Sciences and Gugu Teg Bahadur Hospital, New Delhi, India

Correspondence Address:
Pramod K Mediratta
Department of Pharmacology, University College of Medical Sciences and Gugu Teg Bahadur Hospital, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0253-7613.125191

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Objective: The objective of the following study is to investigate the effect of ovarian sex hormones on gastric ulcer in female rats. Materials and Methods: Female rats were treated daily with estrogen (0.05 and 0.1 mg/kg), progesterone (2.0 and 5.0 mg/kg), combined estrogen (0.05 mg/kg) and progesterone (2.0 mg/kg), ranitidine (30 mg/kg) or vehicle for 7 days. Ulcers were induced with aspirin on 7 th day. Four hours later, animals were sacrificed and stomach were removed for macroscopic and biochemical examination. Results: Estrogen in 0.05 and 0.1 doses showed 32% and 18% of ulcer inhibition, respectively, progesterone 09% and 14% inhibition in 2.0 and 5.0 mg/kg doses, respectively, whereas combined estrogen and progesterone showed 23% and ranitidine showed 60% inhibition. However, the inhibition attained and the stomach malondialdehyde and glutathione levels in sex hormone treated groups were not statistically significant when compared to control group. Conclusion: At the tested doses, these ovarian sex hormones neither worsen nor protect against aspirin-induced gastric lesions in female rats.


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