Abstract
We aimed to investigate the in vitro and ex vivo anti-helminthic effects of Astragalus ecbatanus chloroform extract (AECE) as well as its cellular mechanisms against Echinococcus granulosus protoscoleces. In vitro and ex vivo anti-helminthic effects of AECE on E. granulosus protoscoleces were evaluated through eosin exclusion test. Effects of AECE on induction of the caspase-3 like activity, the permeability of plasma membrane were also determined. The effects of AECE against the human hepatocyte carcinoma (HepG2) and human embryonic kidney (HEK293T) cells were determined by MTT ([3-(4.5-dimethylthiazol-2-yl)-2.5-diphenyl tetrazolium bromide)]) test. The findings revealed that AECE especially at 45mg/mL displayed potent in vitro and ex vivo anti-helminthic effects against E. granulosus protoscoleces (p < 0.001). After treatment of protoscoleces with AECE, the caspase-3 enzyme activity and the rate of permeability of plasma membrane was dose dependently (P < 0.001) increased. The 50% cytotoxic concentration (CC50) value of AECE for normal and cancer cells lines 4.62mg/mL and 1.89mg/mL, respectively. The findings of the current study revealed the favorable in vitro and ex vivo anti-helminthic effects of AECE against protoscoleces of E. granulosus. However, further surveys in animal model are required to elucidate different aspects of this extract before use in clinical phases.
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