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- W4313454894 abstract "Abstract Ordered fibrillar aggregates of proteins, called amyloids, are prevalent in several diseases like Alzheimer's, Parkinson's, and Type II diabetes. The key challenge in the treatment of such diseases is the early detection of protein fibrillation and its effective inhibition using extrinsic agents. Thus, molecules that can both detect and inhibit protein fibril formation have great diagnostic and therapeutic utility. Using insulin as a model protein, we report the dual action of an isoquinoline based molecule, named MK14 which detects and prevents insulin fibrillation. Dose dependent inhibition of insulin fibrillation by MK14 gave an IC 50 value of 9 μM, and mechanistic investigations suggested that MK14 prevented the elongation of fibrils by interacting with pre‐fibrillar intermediates. The fluorescence of MK14 enhanced upon binding to fibrils of insulin as well as those of α‐synuclein, the protein involved in Parkinson's disease. MK14 is an environmentally sensitive fluorophore, which could also detect amorphous aggregates of insulin. The dual nature of MK14 as an inhibitor and detector of protein fibrillation makes it an attractive lead compound for monitoring and disrupting protein amyloidogenesis." @default.
- W4313454894 created "2023-01-06" @default.
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- W4313454894 date "2023-01-18" @default.
- W4313454894 modified "2023-10-14" @default.
- W4313454894 title "Dual Role of a Fluorescent Small Molecule as a Sensor and Inhibitor of Protein Fibrillation" @default.
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- W4313454894 doi "https://doi.org/10.1002/asia.202201309" @default.
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