Silver nanoparticles and electroporation: Their combinational effect on Leishmania major

Bioelectromagnetics
Elham DolatAmeneh Sazgarnia

Abstract

Leishmaniasis is an emerging and uncontrolled disease. The use of routine drugs has been limited due to proven side effects and drug resistance. Interestingly, novel approaches such as nanotechnology have been applied as a therapeutic modality. Silver nanoparticles have shown antileishmanial effects but because of their nonspecific and toxic effects on normal cells, their use has been limited. On the other hand, it has been demonstrated that electric pulses induce electropores on cell membranes resulting in higher entrance of certain molecules into cells. There is a hypothesis proposing that use of electroporation and silver nanoparticles simultaneously can induce greater accumulation of particles in infected cells, besides higher toxicity. In this study, after applying electric pulses with different concentrations of silver nanoparticles (SNPs), cell survival rate was determined by standard viability assays. On the basis of these data, 2 μg/ml of SNPs and 700 V/cm with 100 μs duration of electroporation were selected as the non-lethal condition. Promastigotes and infected macrophage cells received both treatments and the survival percentage and Infection Index were calculated. In parasites and cells receiving both treatments, ...Continue Reading

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Citations

Jun 4, 2021·International Journal of Pharmaceutics·Olga Kammona, Evgenia Tsanaktsidou

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