Research Article | OPEN ACCESS
Haematological and Ponderal Changes Connected to Administration of Lead Acetate and Efavirenz in Wistar Rats
1, 2Alain K. Aïssi, 1Jean Robert Klotoé, 2Patient Guédénon, 3Alimba Chibuisi, 1Evelyne Lozès,
2, 4Patrick A. Edorh and 1Frédéric Loko
1Research Laboratory of Applied Biology, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Benin
2Interfaculty Center of Formation and Research in Environment for the Sustainable Development, University of Abomey-Calavi, Benin
3Department of Cell Biology and Genetics, Faculty of Science, University of Lagos, Nigeria
4Department of Biochemistry and Cellular Biology, Faculty of Science and Technology, University of Abomey-Calavi, Benin
British Journal of Pharmacology and Toxicology 2015 3:50-55
Received: ‎May ‎26, ‎2014 | Accepted: June ‎18, ‎2014 | Published: July 20, 2015
Abstract
Heavy metals and antiretroviral drugs are both types of xenobiotics that induce disturbances in the body. This study aims to assess the hematological and body weight changes connected to simultaneous exposure to lead and Efavirenz. Twenty-eight rats equally divided into four groups were force-fed once daily with distilled water (GCtrl), lead acetate at 10 mg/kg (GPb), Efavirenz at 20 mg/kg (GEfv) and lead acetate + Efavirenz (GPb+Efv). On Day 0, Day 14 and Day 28, the rats were weighted and retro-orbital blood collection was carried out for haemogram analysis. Results showed a significant decrease in hemoglobin level, haematocrit, erythrocytes and thrombocytes in GPb and GPb+Efv. This anaemia has tended to be normocytic hypochromic. There was no significant difference in the rates of decrease between GPb and GPb+Efv. No significant change was observed in the erythrocyte parameters in GEfv and GCtrl.The mean body weight of rats was significantly increased in GCtrl already from Day 7 while in GEfv, it is at from 21 day that, the weighty growth reached a significant level. There was no significant increase in body weight growth in GPb and GPb+Efv. In conclusion, contrary to lead, Efavirenz has not induced anaemia but it has slowed the body growth with a less intensity than lead. The co-administration of lead and Efavirenz did not induced significant additive effects comparatively to lead administration alone. Further studies are necessary for verifying whether co-exposure to these two xénobiotics for a longer period would not be likely to induce a significantly higher toxicity.
Keywords:
Body weight, Efavirenz, haematological parameter, lead, wistar rat,
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The authors have no competing interests.
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