Selective Toxicity of Iron, Manganese Oxide Nanostructure and Laser Wave on Colorectal and Breast Cancer Cell

Aysan Mansournia1, Nasim Nobari1, Fatemeh Ghanbary2

  • 1Department of Physic, Mahabad Branch, Islamic Azad University, Mahabad, Iran.

Abstract

Insights

Combining manganese oxide (MnO) and iron (III) oxide (Fe2O3) nanoparticles with infrared laser therapy shows significant potential for reducing cancer cell populations. This novel approach enhances cytotoxic effects on breast and colorectal cancer cells.

Area of Science:

  • Nanotechnology in oncology
  • Biomedical applications of nanoparticles
  • Laser-based cancer therapy

Background:

  • Cancer's heterogeneity and adaptability present significant treatment challenges.
  • Manganese oxide (MnO) and iron (III) oxide (Fe2O3) nanoparticles (NPs) have diverse industrial applications.
  • The precise impact of MnO and Fe2O3 NPs on human cancer cells requires further elucidation.

Purpose of the Study:

  • To evaluate the cytotoxic effects of combined infrared (IR) laser therapy and MnO/Fe2O3 NPs on cancer cells.
  • To assess the efficacy of this combined approach for breast and colorectal cancer treatment.

Main Methods:

  • Treatment of Skbr3 (breast) and HT29 (colorectal) cancer cells with MnO and Fe2O3 NPs.
  • Exposure of treated cells to IR laser radiation for varying durations (6-72 hours).
  • Comprehensive cytotoxicity assessments on cancer cell lines.

Main Results:

  • Both NPs and IR laser radiation exhibited inherent toxicity to cancer cells.
  • The combination of MnO/Fe2O3 NPs with IR laser therapy demonstrated the highest cytotoxic impact.
  • Synergistic effects observed in reducing cancer cell viability.

Conclusions:

  • Combined IR laser therapy and MnO/Fe2O3 NPs show promise for cancer treatment.
  • This approach effectively reduces cancer cell populations.
  • Further research into nanoparticle-IR laser therapy is warranted for clinical applications.