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• W4281961376 abstract "Cholesterol is vital to control membrane integrity and fluidity, but is also a precursor to produce steroid hormones, bile acids, and vitamin D. Consequently, altered cholesterol biology has been linked to many diseases, including metabolic syndromes and cancer. Defining the intracellular pools of cholesterol and its trafficking within cells is essential to understand both normal cell physiology and mechanisms of pathogenesis. We have synthesized a new cholesterol mimic (ReTEGCholestanol), comprising a luminescent rhenium metal complex and a cholestanol targeting unit, linked using a tetraethylene glycol (TEG) spacer. ReTEGCholestanol demonstrated favourable imaging properties and improved water solubility when compared to a cholesterol derivative, and structurally related probes lacking the TEG linker. A non-malignant and three malignant prostate cell lines were used to characterize the uptake and intracellular distribution of ReTEGCholestanol. The ReTEGCholestanol complex was effectively internalized and mainly localized to late endosomes/lysosomes in non-malignant PNT1a cells, while in prostate cancer cells it also accumulated in early endosomes and multivesicular bodies, suggesting disturbed cholesterol biology in the malignant cells. The ReTEGCholestanol is a novel imaging agent for visualizing endosomal uptake and trafficking, which may be used to define cholesterol related biology including membrane integration and altered lipid trafficking/processing." @default.
• W4281961376 created "2022-06-13" @default.
• W4281961376 creator A5003098392 @default.
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• W4281961376 date "2022-01-01" @default.
• W4281961376 modified "2023-10-12" @default.
• W4281961376 title "Rhenium(I) conjugates as tools for tracking cholesterol in cells" @default.
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• W4281961376 doi "https://doi.org/10.1093/mtomcs/mfac040" @default.
• W4281961376 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35657681" @default.
• W4281961376 hasPublicationYear "2022" @default.
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