Radiotherapy is an important strategy for cancer treatment, but resistance of tumor cells to ionizing radiation (IR) still remains a main challenging issue related to radiotherapy. The aim of this study was to evaluate the sensitizing effect of cerium oxide nanoparticles (CNPs) on non-small lung cancer (A-549) cells exposure to IR. A-549 cells were treated with CNPs and exposed to IR at dose 2 Gy. The radiosensitizing effect of CNPs was evaluated by clonogenic assay and flowcytometry. The findings of this study showed that CNPs reduced the frequencies of A-549 colony when these cells were exposed to IR. CNPs treatment prior exposure to IR significantly increased the IR-induced apoptotic incidences in A-549 cells. The present study demonstrates that CNPs to be an effective sensitizer on apoptosis and cell death induced by IR in A-549 cells.
Cerium oxide nanoparticle nanoceria radiosensitizing apoptosis ionizing radiation radiosensitizer
Primary Language | English |
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Subjects | Radiopharmacy |
Journal Section | Articles |
Authors | |
Publication Date | June 27, 2025 |
Published in Issue | Year 2018 Volume: 22 Issue: 2 |