Cancer Tissue Classification, Associated Therapeutic Implications and PDT as an Alternative

Tamarisk K Horne1, Marianne J Cronje2

  • 1Biochemistry Department, University of Johannesburg, Johannesburg, South Africa.

Anticancer Research
|May 29, 2017
PubMed

Insights

Photodynamic therapy (PDT) using macrocycle photosensitizers shows promise for treating multi-drug resistant (MDR) cancers. This approach offers a potential alternative to current therapies with fewer side effects and broader applicability.

Area of Science:

  • Oncology
  • Photochemistry
  • Biomedical Engineering

Background:

  • Cancer arises from genetic mutations leading to uncontrolled cell growth.
  • Current cancer therapies target specific intracellular pathways but face limitations due to tumor heterogeneity and multi-drug resistance (MDR).
  • Existing treatments can cause side effects and sometimes induce secondary cancers with MDR.

Purpose of the Study:

  • To evaluate photodynamic therapy (PDT) with macrocycle photosensitizers as a potential alternative for treating cancers.
  • To explore PDT's advantages in overcoming MDR and reducing symptomatic complications.
  • To assess the broad-spectrum applicability of macrocycle-PDT across various tumor types and resistance profiles.

Main Methods:

  • Review of recent research on photodynamic therapy (PDT) and macrocycle photosensitizers.
  • Comparative analysis of PDT's administration and toxicity mechanisms against existing cancer therapeutics.
  • Evaluation of PDT's potential to address multi-drug resistance (MDR) in various cancer types.

Main Results:

  • Macrocycle-PDT demonstrates promising features for overcoming MDR cancers.
  • PDT's administration and toxicity mechanisms offer potential advantages over conventional therapies.
  • The approach suggests potential for broad-spectrum application irrespective of tumor resistance profiles.

Conclusions:

  • Photodynamic therapy (PDT) with macrocycle photosensitizers presents a viable strategy for combating multi-drug resistant (MDR) cancers.
  • This therapeutic modality may offer reduced symptomatic onsets compared to current treatments.
  • Macrocycle-PDT holds potential for wide-ranging clinical application in oncology.

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