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Iranian Journal of Parasitology، جلد ۹، شماره ۱، صفحات ۱۰۷-۱۱۳
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عنوان انگلیسی Triclabendazole Effect on Protease Enzyme Activity in the Excretory- Secretory Products of Fasciola hepatica in Vitro.
چکیده انگلیسی مقاله Background: Fasciola hepatica is one of the most important helminthes parasites and triclabendazole (TCBZ) is routinely used for treatment of infected people and animals. Secreted protease enzymes by the F. hepatica plays a critical role in the inva-sion, migration, nutrition and the survival of parasite and are key targets for novel drugs and vaccines. The aim of study was to determine the protease activity of ex-cretory- secretory products (ESP) of F. hepatica in the presence of TCBZ anthel-mintic. Methods: F. hepatica helminthes were collected and cultured within RPMI 1640 [TCBZ treated (test) and untreated (control)] for 6 h at 37 °C. ESP of treated and control were collected, centrifuged and supernatants were stored at -20°C. Protein concentrations were measured according to Bradford method. Protease enzymes activities of ESP samples were estimated by using sigma's non-specific protease activity assay. ESP protein bands were detected by sodium dodecyl sulfate poly-acrylamide gel electrophoresis (SDS-PAGE). Results: Mean protein concentrations in control and treated of ESP samples were determined 196.1 ±14.52 and 376.4 ±28.20 μg/ml, respectively. Mean protease enzymes activities in control and treated were 0.37 ±0.1 and 0.089 ±0.03 U/ml, respectively. Significant difference between proteins concentrations and protease enzymes activities of two groups was observed ( P < 0.05). SDS-PAGE showed dif-ferent patterns of protein bands between treated and control samples. Conclusion: The TCBZ reduced secreted protease enzymes activities and possibly effects on invasion, migration, nutrition and particularly survival of the parasite in the host tissues.
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نویسندگان مقاله یوسف شریفی | yosef shrifi
department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

علی فرحناک | ali farahnak
department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

ابوالفضل گلستانی | abolfazle golestani
department of biochemistry, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

محمد رضا اشراقیان | mohamad reza eshraghian
department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

اشکان فریدی | ashkan faridi
department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

محمد باقر مولایی راد | mohamad bagher molaei rad
department of parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نشانی اینترنتی http://ijpa.tums.ac.ir/index.php/ijpa/article/view/427
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