BMC complementary medicine and therapies · 2024
Evaluation of anti-Toxoplasma effects of solid lipid nanoparticles carrying Cinnamon zeylanicum and Moringa oleifera oil extracts.
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Mottaghi Mahsa, Karami Parisa, Hesari Zahra, Nemati Sara, Mohammad Rahimi Hanieh, Mirjalali Hamed
Аннотация
BACKGROUND: The fabrication of anti-Toxoplasma drugs with less side effects and desirable efficacy is one of the important research goals facing with toxoplasmosis. This study aimed to determine the anti-Toxoplasma effects of Cinnamon zeylanicum (CZ), Moringa oleifera (MO) oil encapsulated into solid lipid nanoparticles (SLNs).
METHODS: Vero cells were cultured with serial concentrations (1 mg/mL to 100 µg/mL) of CZ-SLNs and MO-SLNs in DMEM culture medium. The morphological, physical, and chemical features of nanoparticles were calculated. The cell viability assays and anti-T. gondii effects of CZ-SLNs and MO-SLNs were evaluated. The CC50 and IC50 indices of SLNs-enveloped extracts were calculated.
RESULTS: The particle sizes of MO-SLNs and CZ-SLNs were 411.5 and 365 nm, while PDI indices were 0.53 and 0.7, respectively. Transmission electron microscopy (TEM) showed that both MO-SLNs and CZ-SLNs were smoothed spherical nanoparticles with rounded edges. The cytotoxicity assay showed the CC50 value of MO-SLNs at concentrations of ˃10 mg/mL. In addition, 60% of T. gondii-infected Vero cells remained alive at the concentrations ≤ 1 mg/ml, while the MO-SLNs killed at least 90% of T. gondii tachyzoites with an IC50 > 1 µg/ml. The cytotoxicity of CZ-SLNs extract showed the CC50 at the concentration 0.1 mg/mL. More than 50% of Vero cells, infected with T. gondii tachyzoites, survived at a concentration less than 0.1 mg/mL (IC50 ˂ 0.1 mg/mL), while the CZ-SLNs killed at least 85% of T. gondii tachyzoites in all concentrations.
CONCLUSION: The current results represented that the use of SLNs as a nano-carrier for M. oleifera and C. zeylanicum could kill T. gondii tachyzoites with low cytotoxicity, suggesting the effectiveness of these nano-emulsions along with the chemical agents in the treatment of Toxoplasma.
METHODS: Vero cells were cultured with serial concentrations (1 mg/mL to 100 µg/mL) of CZ-SLNs and MO-SLNs in DMEM culture medium. The morphological, physical, and chemical features of nanoparticles were calculated. The cell viability assays and anti-T. gondii effects of CZ-SLNs and MO-SLNs were evaluated. The CC50 and IC50 indices of SLNs-enveloped extracts were calculated.
RESULTS: The particle sizes of MO-SLNs and CZ-SLNs were 411.5 and 365 nm, while PDI indices were 0.53 and 0.7, respectively. Transmission electron microscopy (TEM) showed that both MO-SLNs and CZ-SLNs were smoothed spherical nanoparticles with rounded edges. The cytotoxicity assay showed the CC50 value of MO-SLNs at concentrations of ˃10 mg/mL. In addition, 60% of T. gondii-infected Vero cells remained alive at the concentrations ≤ 1 mg/ml, while the MO-SLNs killed at least 90% of T. gondii tachyzoites with an IC50 > 1 µg/ml. The cytotoxicity of CZ-SLNs extract showed the CC50 at the concentration 0.1 mg/mL. More than 50% of Vero cells, infected with T. gondii tachyzoites, survived at a concentration less than 0.1 mg/mL (IC50 ˂ 0.1 mg/mL), while the CZ-SLNs killed at least 85% of T. gondii tachyzoites in all concentrations.
CONCLUSION: The current results represented that the use of SLNs as a nano-carrier for M. oleifera and C. zeylanicum could kill T. gondii tachyzoites with low cytotoxicity, suggesting the effectiveness of these nano-emulsions along with the chemical agents in the treatment of Toxoplasma.