Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
Volume 40, Issue 5, Pages 996-1005Publisher
Optica Publishing Group
DOI: 10.1364/JOSAA.482314
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Photodynamic therapy (PDT) mediated by methylene blue (MB) has shown potential in treating cutaneous leishmaniasis, as it can overcome drug resistance and effectively destroy the parasite.
Cutaneous leishmaniasis is a neglected parasitic disease that leads to destructive lesions. The emergence of drug resistance has been a global concern over the past years. Photodynamic therapy (PDT) mediated by a red LED and methylene blue (MB) involves the overproduction of oxidative stress, which oxidizes several cellular biomolecules and prevents the selection of resistant strains. Herein, we investigated the potential of PDT mediated by MB against wild-type and miltefosine-resistant strains of Leishmania amazonensis. As a result, both strains were susceptible to PDT, thus encouraging us to seek the best conditions to overcome the drug resistance problem in cutaneous leishmaniasis.(c) 2023 Optica Publishing Group
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