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  • Title: In vitro ovicidal activity of poly lactic acid curcumin-nisin co-entrapped nanoparticle against Fasciola spp. eggs and its reproductive toxicity.
    Author: Oyeyemi O, Adegbeyeni O, Oyeyemi I, Meena J, Panda A.
    Journal: J Basic Clin Physiol Pharmacol; 2018 Jan 26; 29(1):73-79. PubMed ID: 29016352.
    Abstract:
    BACKGROUND: Curcumin and nisin have been widely reported for their antibacterial and anticancer potency. However, their therapeutic applications are hampered by several factors, which necessitate their development into nanosize ranges for improved delivery and activities. Their incorporation into a single nanosynthesized form may suggest desirable efficacy on parasites. The aim of the study was to assess the ovicidal activity of the curcumin-nisin polylactic acid (PLA) entrapped nanoparticle on the Fasciola eggs and its reproductive toxicity. METHODS: The nanoparticle was formulated by double emulsion method. The eggs of the adult Fasciola spp. were exposed to different concentrations (0.3125-5 mg/mL) of the nanoparticle to monitor hatchability. Mice were exposed to 0.5 mL of the formulated drug at varying concentrations (10-20 mg/kg) and then sacrificed for sperm morphology assay. RESULTS: The mean particle size, polydispersity index, and drug entrapment efficiency of the formulated drug were 288.4±24.3 nm, 0.232, and 51.7%, respectively. The highest nanoparticulate concentration (5 mg/mL) showed the least percentage egg hatching (41.7%) compared with the other treatment groups and positive control (albendazole) (45.1%). The aberrations observed in sperm cells were not concentration-dependent and no significant differences were observed in the mean aberrations between the nanoparticulate drug-exposed groups and the negative control (p>0.05). CONCLUSIONS: The results confirmed the ovicidal activity of the curcumin-nisin nanoparticulate drug against the Fasciola species. The formulation also showed no toxicity to sperm cells. More robust studies on anti-fascioliasis activity of the drug on adult Fasciola spp. and in vivo and in vitro toxicity studies are recommended.
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