Ukr.Biochem.J. 2021; Volume 93, Issue 4, Jul-Aug, pp. 66-76

doi: doi:

Protective effect of Atriplex halimus extract against benzene-induced haematotoxicity in rats

K. Zeghib1*, D. A. Boutlelis2, S. Menai3, M. Debouba4

1Department of chemistry, Faculty of exact sciences, University of El-Oued, El-Oued, Algeria;
2Department of Biology, Faculty of natural sciences and life, University of El-Oued, El-Oued, Algeria;
3The mother-child hospital (Bachir Bennacer) of El-Oued, El-Oued, Algeria;
4Higher Institute of Applied Biology of Medenine, University of Gabès, Tunisia;

Received: 24 December 2020; Accepted: 07 July 2021

Benzen (BZ) is a ubiquitous environmental pollutant with a toxic effect mainly aimed at the hematopoietic­ and immune systems. Atriplex halimus L. (Amaranthaceae) is a Mediterranean halophytic shrub traditionally used in North Africa as medicinal plant  for several therapeutic uses. The present study aimed to estimate the preventive and curative effects of Atriplex halimus L. (Ah) aqueous extract against BZ-induced hematotoxici­ty in rats. Analysis of the extract by the method of LC-MS revealed the presence of 7 vitamins, among which vitamin  C content was the highest. Adult rats were divided into five groups as follow: Group 1 received water (control); Group 2 received orally Ah aqueous extract (200 mg/kg) 3 days/week  for 15 weeks; Group 3 received BZ (100 mg/kg b.w) daily in drinking water for 15 weeks; Group 4 received concomitantly BZ (100 mg/kg) and  preventive treatment with Ah (200 mg/kg) for 15 weeks (AhP+BZ); Group 5 first received BZ (100 mg/kg) for 11 weeks and then curative treatment with Ah extract (300 mg/kg) daily for 30 days (BZ+AhC). It was shown that sub-chronic exposure to benzene induced leukopenia, lymphocytopenia, granulocytopenia and massive degeneration of the bone marrow tissue. The level of GSH and activity of GST and CAT were significantly lowered and the level of MDA was increased in the blood and bone marrow in rats of BZ-intoxicated group compared to the control rats. Administration of Ah extract recovered the bone marrow structure, dramatically decreased MDA content and increased GSH and CAT activity and GST level in the blood and bone marrow as compared with the indices in BZ-treated group. These observations demonstrate that curative and, to a lesser extent, preventive treatment with Atriplex halimus extract have therapeutic potential against hematotoxicity induced by benzene.

Keywords: , , , , ,


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