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Published in: Lasers in Medical Science 6/2020

01-08-2020 | Photodynamic Therapy | Original Article

Photoactivated resveratrol controls intradermal infection by Staphylococcus aureus in mice: a pilot study

Authors: Denisar Palmito dos Santos, Maria Poliana Leite Galantini, Israel Souza Ribeiro, Igor Pereira Ribeiro Muniz, Italo Sousa Pereira, Robson Amaro Augusto da Silva

Published in: Lasers in Medical Science | Issue 6/2020

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Abstract

Staphylococcus aureus is one of the main causative agent of infections acquired in both community and hospital environment. In this context, photodynamic therapy (PDT) consists in using a photosensitizer that, activated by light, evokes the formation of reactive oxygen species (ROS), which lead to the death of microorganisms due to oxidative damage; it is useful tool since this action, harmful to pathogens, does not significantly injure human cells. In view of this, this work proposes a more in-depth study on the use of resveratrol (RSV) as a possible photosensitizer. It was observed, in the intradermal infection model in animals’ ear dermis, that photoactivated resveratrol promotes an increase in myeloperoxidase expression with reduced bacterial load in the draining lymph node. Besides that, the draining lymph node of the animals treated with photoactivated RSV controls inflammation through IL-10 production. These are pioneers data and this work being a pilot study; then, other works must be conducted with the objective of elucidate the photoactivated resveratrol mechanism of action.
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Metadata
Title
Photoactivated resveratrol controls intradermal infection by Staphylococcus aureus in mice: a pilot study
Authors
Denisar Palmito dos Santos
Maria Poliana Leite Galantini
Israel Souza Ribeiro
Igor Pereira Ribeiro Muniz
Italo Sousa Pereira
Robson Amaro Augusto da Silva
Publication date
01-08-2020
Publisher
Springer London
Published in
Lasers in Medical Science / Issue 6/2020
Print ISSN: 0268-8921
Electronic ISSN: 1435-604X
DOI
https://doi.org/10.1007/s10103-019-02942-x

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