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Silver nanoparticles and electroporation: Their combinational effect on Leishmania major
Elham Dolat1, Omid Rajabi2, Samaneh Soudmand Salarabadi1
1Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
Bioelectromagnetics
|January 16, 2016
Summary
Combining silver nanoparticles (SNPs) with electroporation enhances their antileishmanial effects. This synergistic approach overcomes limitations of SNPs alone, offering a promising strategy against leishmaniasis.
Area of Science:
- Biotechnology
- Nanomedicine
- Parasitology
Background:
- Leishmaniasis presents an emerging global health challenge with limited drug options due to resistance and side effects.
- Silver nanoparticles (SNPs) show antileishmanial activity but face limitations due to toxicity and nonspecific effects.
- Electroporation creates temporary pores in cell membranes, potentially enhancing cellular uptake of therapeutic agents.
Purpose of the Study:
- To investigate the synergistic effect of combining electroporation with silver nanoparticles (SNPs) for treating leishmaniasis.
- To determine optimal non-lethal conditions for combined SNP and electroporation treatment.
- To evaluate the efficacy of this combined approach against Leishmania parasites and infected host cells.
Main Methods:
- Silver nanoparticles (SNPs) were applied at varying concentrations alongside electric pulses of different parameters (voltage, duration).
- Cell viability assays were used to identify non-lethal treatment conditions (2 μg/ml SNPs, 700 V/cm, 100 μs).
- The combined treatment was applied to Leishmania promastigotes and infected macrophage cells, assessing survival rates and infection indices.
Main Results:
- A synergistic toxic effect was observed when combining electroporation with silver nanoparticles (SNPs) on both Leishmania promastigotes and infected macrophages.
- The combined treatment demonstrated significantly higher toxicity compared to either SNPs or electroporation applied individually.
- Optimal non-lethal parameters were identified for the combined therapeutic approach.
Conclusions:
- Electroporation can enhance the therapeutic efficacy of silver nanoparticles (SNPs) against leishmaniasis.
- This synergistic approach offers a potential strategy to overcome the limitations associated with current antileishmanial treatments.
- Combining nanotechnology with physical methods like electroporation presents a novel avenue for leishmaniasis therapy.
