Related Experiment Video
Updated: Dec 15, 2025

LED-Based In Vitro Screening for Assessing Photoactivable Molecules in Bacterial Photodynamic Inactivation
Published on: January 24, 2025
Photodynamic therapy in dermatology: Beyond current indications
Catarina Queirós1, Pedro Miguel Garrido1, João Maia Silva1,2
1Serviço de Dermatologia, Hospital de Santa Maria, Centro Hospitalar e Universitário de Lisboa Norte, Lisbon, Portugal.
Photodynamic therapy (PDT) is an effective dermatological treatment for skin cancers and shows promise for inflammatory and infectious conditions due to its immune-modulating effects.
Area of Science:
- Dermatology
- Photomedicine
Background:
- Photodynamic therapy (PDT) is an established treatment for malignant and premalignant skin conditions.
- Approved indications include actinic keratosis and certain skin cancers, offering good clearance and cosmetic outcomes.
Purpose of the Study:
- To review current and emerging applications of PDT in dermatology.
- To highlight the potential for expanded PDT indications.
Main Methods:
- Review of existing literature on PDT efficacy in various dermatological conditions.
- Analysis of PDT's mechanisms of action, including immunomodulatory, anti-inflammatory, and bactericidal effects.
Main Results:
- PDT demonstrates efficacy beyond approved uses, including inflammatory and infectious dermatoses.
- Potential mechanisms include modulation of immune responses and direct antimicrobial effects.
Conclusions:
- PDT is a versatile therapeutic modality with potential for broader dermatological applications.
- Further research may expand PDT's role in treating a wider range of skin conditions.
More Related Videos
11:04An In-House-Built and Light-Emitting-Diode-Based Photodynamic Therapy Device for Enhancing Verteporfin Cytotoxicity in a 2D Cell Culture Model
Published on: January 13, 2023
07:24Development of an Innovative LED-based Illumination Device for In Vitro Application of Photodynamic Therapy with Rose Bengal
Published on: September 12, 2025