Different pathways of cell death triggered by light and porphyrins
Author Information
Author(s): Noodt B B, Berg K, Stokke T, Peng Q, Nesland J M
Primary Institution: Institute for Cancer Research, The Norwegian Radium Hospital
Hypothesis
Different apoptotic pathways are induced from various intracellular sites by tetraphenylporphyrins and light.
Conclusion
The study found that apoptosis can occur through different mechanisms depending on the site of damage within the cell.
Supporting Evidence
- Different apoptotic pathways were observed based on the site of damage within the cell.
- Apoptotic cells were quantified using flow cytometry.
- Cell fragmentation was measured alongside nuclear morphology.
Takeaway
This study shows that when cells are treated with light and certain chemicals, they can die in different ways depending on where the damage happens inside the cell.
Methodology
V79 Chinese hamster fibroblasts were exposed to photodynamic therapy with various porphyrins and light, and apoptotic fractions were quantified using flow cytometry.
Digital Object Identifier (DOI)
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