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- W4239217884 abstract "Light activated photosensitizers generate reactive oxygen species (ROS) that interfere with cellular components and can induce cell death, e.g., in photodynamic therapy (PDT). The effect of cellular components and especially proteins on the photochemistry and photophysics of the sensitizers is a key aspect in drug design and the correlating cellular response with the generation of specific ROS species. Here, we show the complex range of effects of binding of photosensitizer to a multidrug resistance protein, produced by bacteria, on the formers reactivity. We show that recruitment of drug like molecules by LmrR (Lactococcal multidrug resistance Regulator) modifies their photophysical properties and their capacity to induce oxidative stress especially in 1O2 generation, including rose bengal (RB), protoporphyrin IX (PpIX), bodipy, eosin Y (EY), riboflavin (RBF), and rhodamine (Rh6G). The range of neutral and charged dyes with different exited redox potentials, are broadly representative of the dyes used in PDT." @default.
- W4239217884 created "2022-05-12" @default.
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- W4239217884 date "2020-04-01" @default.
- W4239217884 modified "2023-09-27" @default.
- W4239217884 title "Impact of Binding to the Multidrug Resistant Regulator Protein LmrR on the Photo-Physics and -Chemistry of Photosensitizers" @default.
- W4239217884 doi "https://doi.org/10.26434/chemrxiv.12052443" @default.
- W4239217884 hasPublicationYear "2020" @default.
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