Foscan® (mTHPC) photosensitized macrophage activation: enhancement of phagocytosis, nitric oxide release and tumour necrosis factor-α-mediated cytolytic activity
1999
Enhancing Macrophage Activity with mTHPC in Photodynamic Therapy
publication
Evidence: moderate
Author Information
Author(s): Coutier S, Bezdetnaya L, Marchal S, Melnikova V, Belitchenko I, Merlin J L, Guillemin F
Primary Institution: Unité de Recherche en Thérapie Photodynamique, Centre Alexis Vautrin
Hypothesis
Can photosensitization with mTHPC enhance macrophage activity in photodynamic therapy?
Conclusion
Photosensitization with mTHPC significantly enhances macrophage phagocytosis and cytokine production under specific light conditions.
Supporting Evidence
- Phagocytic activity of macrophages increased significantly with light treatment.
- Maximum TNF-α production was observed at a specific light fluence.
- NO production by macrophages increased with light exposure.
Takeaway
This study shows that a special light treatment can help immune cells called macrophages work better to fight cancer.
Methodology
The study evaluated macrophage activity using flow cytometry and assessed cytokine production through the L929 assay.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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