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International Journal of Medical Research & Health Sciences (IJMRHS)
ISSN: 2319-5886 Indexed in: ESCI (Thomson Reuters)

Abstract

EVALUATIONOF DIPYRIDAMOLE ON ACUTE AND SUBACUTE MODELS OF INFLAMMATION IN MALE WISTAR RATS: AN EXPERIMENTAL STUDY

Author(s): Angadi Netravathi B, Hiremath Shrishail V, Suranagi Vijayalakshmi V

Background: Atherosclerosis and its complications remains the major cause of death and premature disability. Atherogenesis involves elements of inflammation, a process that now provides a unifying theme in the pathogenesis of the disease. Anti-platelet drugs are currently used in the treatment of atherosclerosis and its complications. Our study evaluated the influence of dipyridamole on acute and sub-acute models of inflammation in male Wistar rats. Methods: Male Wistar rats (150-200g) were divided into three groups i.e. control, Aspirin and dipyridamole (n=6 animals in each group). The effect of dipyridamole, administered orally, on inflammation was studied using acute (carrageenan induced rat paw edema) and sub-acute (cotton pellet granuloma and histopathological examination of grass piths) models. Experiment was conducted according to the Committee for the Purpose of Control and Supervision on Experiments on Animals (CPCSEA) guidelines. Analysis was done using one way ANOVA followed by Post Hoc Test of Dunnets. P<0.05 was considered as statistically significant. Results: Dipyridamole showed significant inhibition of rat paw edema in acute model (P<0.01) and granuloma dry weight, in sub acute model of inflammation when compared to control (P<0.01). Histopathological examination of grass pith revealed markedly reduced fibroblasts, granulation tissue, fibrous tissue and collagen in dipyridamole group when compared to control. Conclusion: Dipyridamole exhibited a significant anti inflammatory activity in acute and sub-acute models of inflammation.


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