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Abstract Title:

Nigella sativa oil entrapped polycaprolactone nanoparticles for leishmaniasis treatment.

Abstract Source:

IET Nanobiotechnol. 2018 Dec ;12(8):1018-1026. PMID: 30964007

Abstract Author(s):

Emrah Sefik Abamor, Ozlem Ayse Tosyali, Melahat Bagirova, Adil Allahverdiyev

Article Affiliation:

Emrah Sefik Abamor

Abstract:

This study is the first to investigate the antileishmanial activities of Nigella sativa oil (NSO) entrapped poly--caprolactone (PCL) nanoparticles onpromastigotes and amastigotes in vitro. NSO molecules with variable initial doses of 50, 100, 150, and 200 mg were successfully encapsulated into PCL nanoparticles identified as formulations NSO1, NSO2, NSO3, and NSO4, respectively. This process was characterised by scanning electron microscope, dynamic light scattering, Fourier transform infrared, encapsulation efficiency measurements, and release profile evaluations. The resulting synthetised nanoparticles had sizes ranging between 200 and 390 nm. PCL nanoparticles encapsulated 98% to 80% of initial doses of NSO and after incubation released approximately 85% of entrapped oil molecules after 288 h. All investigated formulations demonstrated strong antileishmanial effects onpromastigotes by inhibiting up to 90% of parasites after 192 h. The tested formulations decreased infection indexes of macrophages in a range between 2.4- and 4.1-fold in contrast to control, thus indicating the strong anti-amastigote activities of NSO encapsulated PCL nanoparticles. Furthermore, NSO-loaded PCL nanoparticles showed immunomodulatory effectsby increasing produced nitric oxide amounts within macrophages by 2-3.5-fold in contrast to use of free oil. The obtained data showed significant antileishmanial effects of NSO encapsulated PCL nanoparticles onpromastigotes and amastigotes.

Study Type : In Vitro Study

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