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  • Title: Immunoprotective activity and antioxidant properties of cactus (Opuntia ficus indica) extract against chlorpyrifos toxicity in rats.
    Author: Smida A, Ncibi S, Taleb J, Ben Saad A, Ncib S, Zourgui L.
    Journal: Biomed Pharmacother; 2017 Apr; 88():844-851. PubMed ID: 28167451.
    Abstract:
    Opuntia ficus indica (family Cactaceae) is a typical Mediterranean plant, mainly used in food and traditional folk medicine. The present study was designed to evaluate the protective effect of Opuntia ficus indica extract against chlorpyrifos (CPF)-induced immunotoxicity in rats. The experimental animals consisted of four groups of Wistar rats (5-6 weeks old) of eight each: a control group, a group treated with CPF (10mg/kg), a group treated with Opuntia ficus indica extract (100mg/kg), and a group treated with cactus extract then treated with CPF. These components were daily administered by gavage for 30days. After treatment, immunotoxicity was estimated by a count of thymocytes, splenocytes, stem cells in the bone marrow, relative weights of thymus and spleen, DNA aspects, and oxidative stress status in these organs. Results showed that CPF could induce thymus atrophy, splenomegaly, and a decrease in the cell number in the bone marrow. It also increased the oxidative stress markers resulting in elevated levels of the lipid peroxidation with a concomitant decrease in the levels of enzymatic antioxidants (SOD, CAT, GPx) in both spleen and thymus, and also degradation of thymocyte and splenocyte DNA. Consistent histological changes were found in the spleen and thymus under CPF treatment. However, administration of Opuntia ficus indica extract was found to alleviate this CPF-induced damage.
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