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 RESEARCH PAPER
Year : 2004  |  Volume : 36  |  Issue : 4  |  Page : 226-230

Acute and chronic effects of aspirin on hematological parameters and hepatic ferritin expression in mice


Department of Zoology, Wilson College Chowpatty Mumbai - 400 007, India

Correspondence Address:
Deepak N Modi
Department of Zoology, Wilson College Chowpatty Mumbai - 400 007
India
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Source of Support: None, Conflict of Interest: None


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OBJECTIVE: To examine the acute and chronic effects of aspirin on peripheral blood and bone marrow counts and hepatic ferritin expression in mice. MATERIAL AND METHODS: Adult male albino mice were orally administered aspirin at a dose of 600 mg/kg thrice daily for 7 days or 150 mg/kg once daily for 6/7 days up to 25 weeks. At the end of the experiment the red and white blood cell counts, hemoglobin, and packed cell volume were estimated. Bone marrow films were studied to estimate the rate of erythropoiesis and leucopoiesis. Expression of liver ferritin was tested by immunohistochemistry. RESULTS: Acute or chronic doses of aspirin reduced the RBC count, hemoglobin and other red cell indices as compared to controls. The WBC counts were higher in the treated animals as compared to the untreated animals. Both the treatment regimens appeared to suppress the rate of erythropoiesis in the marrow, while the rate of leucopoiesis appeared to increase in the marrow of the treated animals. Aspirin treatment did not significantly affect the expression of ferritin in the liver. CONCLUSION: Aspirin in either acute or chronic doses induces anemia associated with leucocytosis in mice; the anemia does not seem to be induced due to alterations in iron metabolism. The drug appears to use multiple targets which affect red cell production and maturation processes.






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