Hoechst 34580, a cell-permeable fluorescent dye, is used for staining DNA and nuclei.Hoechst 34580 is a good candidate for treating Alzheimer’s disease by inhibiting Aβ formation. 50 μM Aβ42 solutions co-incubated with 100, 25, 12.5, 3.125, 0.78, and 0.1, 0.01 μM Hoechst 34580 at 37 °C for 70 h. Hoechst 34580 can inhibit the aggregation of Aβ42 in a dose-dependent manner.

β-Amyloid (29-40) is a fragment of Amyloid-β peptide.Alzheimer's beta amyloid peptide (29-40/42) C-terminal fragments have physical and chemical properties related to those of fusion peptides of viral proteins. The fusion of liposomes can be induced by these peptides in vitro.

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