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Strengthening collaborations at the Biology-Physics interface: trends in antimicrobial photodynamic therapy

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Abstract

The unbridled use of antimicrobial drugs over the last decades contributed to the global dissemination of drug-resistant pathogens and increasing rates of life-threatening infections for which limited therapeutic options are available. Currently, the search for safe, fast, and effective therapeutic strategies to combat infectious diseases is a worldwide demand. Antimicrobial photodynamic therapy (APDT) rises as a promising therapeutic approach against a wide range of pathogenic microorganisms. APDT combines light, a photosensitizing drug (PS), and oxygen to kill microorganisms by oxidative stress. Since the APDT field involves branches of biology and physics, the strengthening of interdisciplinary collaborations under the aegis of biophysics is welcome. Given this scenario, Brazil is one of the global leaders in the production of APDT science. In this review, we provide detailed reports of APDT studies published by the Laboratory of Optical Therapy (IPEN-CNEN), Group of Biomedical Nanotechnology (UFPE), and collaborators over the last 10 years. We present an integrated perspective of APDT from basic research to clinical practice and highlight its promising use, encouraging its adoption as an effective and safe technology to tackle important pathogens. We cover the use of methylene blue (MB) or Zn(II) porphyrins as PSs to kill bacteria, fungi, parasites, and pathogenic algae in laboratory assays. We describe the impact of MB-APDT in Dentistry and Veterinary Medicine to treat different infectious diseases. We also point out future directions combining APDT and nanotechnology. We hope this review motivates further APDT studies providing intuitive, vivid, and insightful information for the readers.

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Funding

The studies here reported were funded by Brazilian agencies FAPESP, FACEPE, CNPq, CAPES, and CNEN.

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All authors equally contributed to this manuscript. FVC, THSS, FPS, AF, and MSR were responsible for conceptualization, writing, and revising the review.

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Correspondence to Martha Simões Ribeiro.

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All applicable international, national, and/or institutional guidelines for the care and use of animals were followed in the studies here reported. Besides, all procedures performed in studies involving human participants were following the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Not applicable.

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Elsevier granted permission to reproduce Fig. 1 (license number 5518491193627).

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The authors declare no competing interests.

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Cabral, F.V., dos Santos Souza, T.H., Sellera, F.P. et al. Strengthening collaborations at the Biology-Physics interface: trends in antimicrobial photodynamic therapy. Biophys Rev 15, 685–697 (2023). https://doi.org/10.1007/s12551-023-01066-5

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  • DOI: https://doi.org/10.1007/s12551-023-01066-5

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