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Iranian Journal of Parasitology، جلد ۹، شماره ۴، صفحات ۴۵۲-۴۶۰
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عنوان انگلیسی In Vitro Study of Leishmanicidal Activity of Biogenic Selenium Nanoparticles against Iranian Isolate of Sensitive and Glucantime-Resistant Leishmania tropica.
چکیده انگلیسی مقاله Background: Sensitive and glucantime (MA) resistance Leishmania tropica are referred to those isolates, which are responsive, or non-responsive to one or two full courses of treatment by MA systematically and/or intra-lesionally, respectively. In this study, we evaluated the antileishmanial activity of biogenic selenium nanoparticles (Se NPs) alone and in combination with MA against sensitive and glucantimeresistant L. tropica on in vitro model. Methods: The Se NPs were synthesized by employing the Bacillus sp. MSh-1. The antileishmanial effects of Se NPs alone and in combination with MA on promastigote and amastigote stages of sensitive and glucantime-resistant L. tropica strains have been investigated using a colorimetric MTT assay and in a macrophage model. In addition hemolytic activity in type O+ human red blood cells and infectivity rate of the promastigotes before and after treatment with the Se NPs was evaluated. Results: In the promastigote stage, various concentrations of Se NPs significantly inhibited ( P < 0.05) the growth of promastigotes of both strains in a dose-dependent manner. Similarly, Se NPs especially in combination with MA significantly reduced the mean number of amastigotes of both strains in each macrophage. Se NPs showed no hemolytic effect on human RBCs at low concentrations. Moreover, infection rate of macrophages by promastigotes significantly ( P < 0.05) was reduced when promastigotes pre-treated with Se NPs. Conclusion: The findings of this study suggest a first step in the search of Se NPs as a new antileishmanial agent. Further experiments are needed to investigate antileishmanial effects of biogenic Se NPs on L. tropica using a clinical setting.
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نویسندگان مقاله حسین محمودوند | hossein mahmoudvand
research center for tropical and infectious diseases, kerman university of medical sciences, kerman, iran and leishmaniasis research center, kerman university of medical sciences, kerman, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

مجتبی شکیبایی | mojtaba shakibaie
pharmaceutics research center, institute of neuropharmacology, kerman university of medical sciences, kerman, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

راضیه توکلی | razieh tavakoli
research center for tropical and infectious diseases, kerman university of medical sciences, kerman, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

ساره جهانبخش | sareh jahanbakhsh
research center for tropical and infectious diseases, kerman university of medical sciences, kerman, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

ایرج شریفی | iraj sharifi
leishmaniasis research center, kerman university of medical sciences, kerman, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

نشانی اینترنتی http://ijpa.tums.ac.ir/index.php/ijpa/article/view/378
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