{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T12:02:06Z","timestamp":1780056126757,"version":"3.54.0"},"reference-count":39,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Parasitology Research"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p>Visceral leishmaniasis is one of the most important sever diseases in tropical and subtropical countries. In the present study the effects of antimony sulfide nanoparticles on<jats:italic>Leishmania infantum in vitro<\/jats:italic>were evaluated. Antimony sulfide NPs (Sb<jats:sub>2<\/jats:sub>S<jats:sub>5<\/jats:sub>) were synthesized by biological method from<jats:italic>Serratia marcescens<\/jats:italic>bacteria. Then the cytotoxicity effects of different concentrations (5, 10, 25, 50, and 100\u2009<jats:italic>\u03bc<\/jats:italic>g\/mL) of this nanoparticle were assessed on promastigote and amastigote stages of<jats:italic>L. infantum<\/jats:italic>. MTT method was used for verification results of promastigote assay. Finally, the percentages of apoptotic, necrotic, and viable cells were determined by flow cytometry. The results indicated the positive effectiveness of antimony sulfide NPs on proliferation of promastigote form. The IC<jats:sub>50<\/jats:sub>(50% inhibitory concentration) of antimony sulfide NPs on promastigotes was calculated 50\u2009<jats:italic>\u03bc<\/jats:italic>g\/mL. The cytotoxicity effect was dose-dependent means by increasing the concentration of antimony sulfide NPs, the cytotoxicity curve was raised and the viability curve of the parasite dropped simultaneously. Moreover, the IC<jats:sub>50<\/jats:sub>of antimony sulfide NPs on amastigote stage was calculated 25\u2009<jats:italic>\u03bc<\/jats:italic>g\/mL. On the other hand, however, antimony sulfide NPs have a low cytotoxicity effect on uninfected macrophages but it can induce apoptosis in promastigote stage at 3 of 4 concentrations.<\/jats:p>","DOI":"10.1155\/2012\/756568","type":"journal-article","created":{"date-parts":[[2012,6,27]],"date-time":"2012-06-27T14:54:52Z","timestamp":1340808892000},"page":"1-7","source":"Crossref","is-referenced-by-count":22,"title":["<i>In Vitro<\/i>Antiparasitic and Apoptotic Effects of Antimony Sulfide Nanoparticles on<i>Leishmania infantum<\/i>"],"prefix":"10.1155","volume":"2012","author":[{"given":"Saied","family":"Soflaei","sequence":"first","affiliation":[{"name":"Department of Parasitology, Medical Sciences Faculty, Tarbiat Modares University, P.O. 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