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• W4384562876 startingPage "103711" @default.
• W4384562876 abstract "The chorioallantoic membrane (CAM) of the Japanese quail is an excellent model for studying photodynamic therapy (PDT) due to its rich vascularization. PDT is used not only in oncological treatment but also in infectious diseases, or psoriasis, where it yields significant advantages. This treatment also has its limitations, such as burning, itching, erythema, redness, swelling, and delayed wound healing. The aim of this study was to analyse the potentially protective properties of the tissue hormone leptin during PDT.Japanese quail embryos incubated ex ovo were used in this experiment. On the 9th day of embryonic development, leptin (5 μg) and photosensitiser hypericin (79 μM) were topically applied, followed by irradiation. The effect of leptin co-administration was evaluated from CAM images and histological structure analysis, histological samples, and qPCR, where the expression of genes involved in angiogenesis, apoptosis, and oxidative stress was monitored.We observed vascular damage in all experimental groups, the highest damage was found after the application of hypericin without leptin coadministration. Histological analysis confirmed the protective effect of leptin. qPCR analysis presented differences in FREK gene expression, but also in genes involved in oxidative stress like SOD, NRF-1, NRF-2, and GPX7. The application of leptin significantly reduced the expression of apoptosis regulatory proteins CASP3, cytochrome C, and APAF1.Our results in the CAM model suggest a possible protective effect of leptin to prevent PDT damage and aid in the subsequent regeneration of target tissues after antimicrobial PDT." @default.
• W4384562876 created "2023-07-18" @default.
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• W4384562876 date "2023-09-01" @default.
• W4384562876 modified "2023-09-27" @default.
• W4384562876 title "The potential effect of leptin co-administration on photodynamic damage using quail chorioallantoic membrane model" @default.
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• W4384562876 doi "https://doi.org/10.1016/j.pdpdt.2023.103711" @default.
• W4384562876 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37459940" @default.
• W4384562876 hasPublicationYear "2023" @default.
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