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Information Journal Paper

Title

STUDY ON GLUTATHIONE S-TRANSFERASE INHIBITION ASSAY BY TRICLABENDAZOLE ON FASCIOLA SPP.

Pages

  371-376

Abstract

 GLUTATHIONE S-TRANSFERASE (GST) represents the major class of detoxification enzymes from helminth parasites such as FASCIOLA hepatica and F. gigantica and it is a candidate for chemotherapeutic and vaccine design. Therefore, GST enzyme of FASCIOLA spp. could be a target for evaluation of drugs such as TRICLABENDAZOLE (C14H9Cl3N2OS). For this purpose, GST enzymes were purified from FASCIOLA spp. and sheep liver tissue by glutathione affinity chromatography using a wash-batch method and subsequently their SDS-PAGE pattern was detected. Afterward, GST specific activity levels were assayed in the whole extract and purified solutions spectrophotometrically at 30°C with reduced glutathione (GSH) and 1-chloro-2, 4-dinitrobenzen (CDNB) substrate. Finally, GST inhibition assay was investigated in the solutions by powder and bolus forms of TRICLABENDAZOLE. GST fraction as a 26 kDa (MW) band was obtained on sodium dodecyl sulfate- polyacrylamide gel electrophoresis (SDSPAGE). The level of GST specific activity in purified solutions was detected 18.14 μmol/min/mg proteins for FASCIOLA hepatica, 35.04 for F. gigantica and 37.84 μmol/min/mg protein for liver tissue. Comparison of the effect of powder and bolus of TRICLABENDAZOLE in solutions revealed inhibition concentration (IC50) 8.36 and 9.05μg/ml for FASCIOLA hepatica GSTs and 7.20 and 10.80 for F. gigantica GSTs and 8.65 and 9.70μg/ml for liver tissue GSTs, respectively. These findings suggest the possibility of selective inhibition of FASCIOLA spp. GSTs by TRICLABENDAZOLE in vitro and use of these results for understanding of its effect in vivo and qualification of manufacturing bolus form of drug in comparison with original powder.

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    Cite

    APA: Copy

    FARAHNAK, A., ANVAR SEYEDI, M., JALALI, M., & ESHARGHIAN, M.R.. (2006). STUDY ON GLUTATHIONE S-TRANSFERASE INHIBITION ASSAY BY TRICLABENDAZOLE ON FASCIOLA SPP.. ACTA MEDICA IRANICA, 44(6), 371-376. SID. https://sid.ir/paper/277960/en

    Vancouver: Copy

    FARAHNAK A., ANVAR SEYEDI M., JALALI M., ESHARGHIAN M.R.. STUDY ON GLUTATHIONE S-TRANSFERASE INHIBITION ASSAY BY TRICLABENDAZOLE ON FASCIOLA SPP.. ACTA MEDICA IRANICA[Internet]. 2006;44(6):371-376. Available from: https://sid.ir/paper/277960/en

    IEEE: Copy

    A. FARAHNAK, M. ANVAR SEYEDI, M. JALALI, and M.R. ESHARGHIAN, “STUDY ON GLUTATHIONE S-TRANSFERASE INHIBITION ASSAY BY TRICLABENDAZOLE ON FASCIOLA SPP.,” ACTA MEDICA IRANICA, vol. 44, no. 6, pp. 371–376, 2006, [Online]. Available: https://sid.ir/paper/277960/en

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