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Understanding Macrophage Interaction with Antimony-Doped Tin Oxide Plasmonic Nanoparticles
Olexiy Balitskii1,2, Viktoriya Ivasiv1,3, Maria Porteiro-Figueiras1
1Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
Cells
|September 14, 2024
Summary
Antimony-doped tin oxide nanoparticles (ATO NPs) show promise for cancer therapy due to their photothermal effects. These biocompatible nanoparticles do not harm immune cells, making them suitable for targeted cell death applications.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Materials Science
Background:
- Antimony-doped tin oxide nanoparticles (ATO NPs) exhibit photothermal properties upon near-infrared (NIR) light exposure.
- These properties allow for controlled thermal dynamics, potentially inducing targeted cell death.
Purpose of the Study:
- To investigate the interaction between ATO NPs and macrophages.
- To assess cellular uptake and cytokine release in the presence of ATO NPs.
- To evaluate the biocompatibility of ATO NPs with immune cells.
Main Methods:
- Characterization of ATO NPs.
- Incubation of macrophages with ATO NPs.
- Assessment of macrophage viability.
- Measurement of cytokine secretion levels.
Main Results:
- ATO NPs demonstrated excellent biocompatibility with macrophages.
- No significant impact on macrophage viability was observed.
- Cytokine secretion profiles remained unaffected, indicating no adverse immune response.
Conclusions:
- ATO NPs are biocompatible and do not induce adverse effects in macrophages.
- The findings support the potential of ATO NPs for targeted cancer therapy using photothermal effects.
- ATO NPs present a safe and effective platform for future biomedical applications, particularly in cancer treatment.

