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Blue-Fluorescent Probes for Lipid Droplets Based on Dihydrochromeno-Fused Pyrazolo- and Pyrrolopyridines

dc.contributor.authorBecerra-Ruiz M.
dc.contributor.authorVargas V.
dc.contributor.authorJara P.
dc.contributor.authorTirapegui C.
dc.contributor.authorCarrasco C.
dc.contributor.authorNuñez M.
dc.contributor.authorLezana N.
dc.contributor.authorGaldámez A.
dc.contributor.authorVilches-Herrera M.
dc.date.accessioned2020-09-02T22:13:03Z
dc.date.available2020-09-02T22:13:03Z
dc.date.issued2018
dc.identifier10.1002/ejoc.201701633
dc.identifier.citation2018, 34, 4795-4801
dc.identifier.issn1434193X
dc.identifier.urihttps://hdl.handle.net/20.500.12728/3716
dc.descriptionLipid droplets (LDs) have been recognized as highly dynamic cellular organelles involved in important biological functions for the survival of organisms such as supplying food or energy. Nevertheless, lipid storage must be tightly controlled, because both its excess and the inability to store lipids can be detrimental to the organism, resulting in metabolic diseases or multifaceted systemic problems. Visualization and the monitoring of the concentration of LDs is essential to understanding these processes. Commercially available LD dyes, such as Nile Red and boron-dipyrromethene (BODIPY), offer several advantageous characteristics, but can be limiting in multicolor imaging because most ready-made fluorescent reporter constructs fluoresce in the green-to-red region of the visible spectrum. Nile Red emits between green and red, and BODIPY can be photoconverted from green to red fluorescence, limiting its ability to be utilized for time-lapse imaging of living cells. Here, we report the design and synthesis, the photophysical characterization, and biological testing of two easily prepared series of new blue-fluorescing dyes as markers for LDs. Confocal fluorescence microscopy results showed an interesting correlation between the chemical structures of these fluorescent probes and their specific staining patterns. The pyrazole-based compound 11c was found to be a specific dye for LDs, whereas the pyrrole-based compound 10d led to prominent staining of the membranous cell organelles. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.subjectDiels–Alder reactions
dc.subjectFluorescent probes
dc.subjectFused-ring systems
dc.subjectLipids
dc.subjectNitrogen heterocycles
dc.titleBlue-Fluorescent Probes for Lipid Droplets Based on Dihydrochromeno-Fused Pyrazolo- and Pyrrolopyridines
dc.typeArticle


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