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Photodynamic anti-cancer therapy and arachidonic acid metabolism: State of the art in 2024

Hicham Wahnou1, Youness Limami2, Raphaël Emmanuel Duval3

  • 1Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University, BP2693 Maarif, Casablanca, Morocco.

Annales Pharmaceutiques Francaises
|February 28, 2025
PubMed

Insights

Photodynamic therapy (PDT) uses photosensitizers to generate reactive oxygen species (ROS) for cancer treatment. Targeting arachidonic acid (AA) metabolism may enhance PDT efficacy for improved outcomes.

Area of Science:

  • Oncology
  • Biochemistry
  • Photomedicine

Background:

  • Photodynamic therapy (PDT) is an evolving cancer treatment utilizing photosensitizers to generate reactive oxygen species (ROS), inducing selective cancer cell death.
  • Arachidonic acid (AA) metabolism, involving cyclooxygenase, lipoxygenase, and cytochrome P450 pathways, significantly influences tumor biology and cancer progression.

Purpose of the Study:

  • To review the mechanisms, applications, advantages, and limitations of PDT in cancer treatment.
  • To explore the role of AA metabolism in cancer and its potential interplay with PDT.
  • To discuss recent advancements and future directions in PDT and AA metabolism research.

Main Methods:

  • Literature review of photodynamic therapy mechanisms, photosensitizers, and ROS generation.
  • Analysis of arachidonic acid metabolic pathways (COX, LOX, CYP450) in cancer progression.
  • Synthesis of information on technological advancements and clinical/translational perspectives.

Main Results:

  • PDT effectively induces cancer cell death via ROS, with diverse applications and varying efficacy.
  • AA metabolism pathways are critical in tumor development and represent potential targets.
  • Combining PDT with strategies targeting AA metabolism may enhance therapeutic outcomes.

Conclusions:

  • PDT is a promising cancer therapy with ongoing advancements in photosensitizers and light delivery.
  • Modulating AA metabolism presents a novel strategy to augment PDT effectiveness.
  • Further research into the PDT-AA metabolism interplay is crucial for optimizing cancer treatment.
Keywords:
Acide arachidoniqueArachidonic acidCancer treatmentEspèces réactives de l’oxygèneMetabolic pathwaysPhotodynamic therapyPhotosensibilisateursPhotosensitizersReactive oxygen speciesThérapie photodynamiqueTraitement du cancerVoies métaboliques

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