The toxicological effects of some avermectins on goat liver carbonic anhydrase enzyme
Özet
Avermectins are used worldwide as antiparasitic drugs in the field of veterinary medicine and as agricultural pesticides and insecticides. Carbonic anhydrase (CA, E.C. 4.2.1.1) is a zinc-containing metalloenzyme that catalyzes the reversible hydration of carbon dioxide (CO2) to yield protons (H+) and bicarbonate (HCO3 −). In this study, some avermectins, including abamectin, doramectin, eprinomectin, and moxidectin, were investigated for in vitro inhibitory effects on the CA enzyme purified from goat liver, which was purified (125.00-fold) using sepharose 4B-l-tyrosine-sulfanilamide affinity chromatography, with a yield of 68.27% and a specific activity of 21765.31 EU/mg proteins. The inhibition results obtained from this study showed Ki values of 0.283, 0.153, 0.232, and 0.317 nM for abamectin, doramectin, eprinomectin, and moxidectin, respectively. On the other hand, acetazolamide, well-known clinically established CA inhibitor, possessed a Ki value of 0.707 nM against goat liver CA. © 2017 Wiley Periodicals, Inc.
Bağlantı
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85040674777&doi=10.1002%2fjbt.22010&partnerID=40&md5=a3163aa59bc62660a50e15c4fbb22f49http://acikerisim.bingol.edu.tr/handle/20.500.12898/4406
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