Title : Thioflavin T Interaction with Acetylcholinesterase: New Evidence of 1:1 Binding Stoichiometry Obtained with Samples Prepared by Equilibrium Microdialysis.

Pub. Date : 2018 Jul 18

PMID : 29652131






15 Functional Relationships(s)
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1 Thioflavin T Interaction with Acetylcholinesterase: New Evidence of 1:1 Binding Stoichiometry Obtained with Samples Prepared by Equilibrium Microdialysis. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
2 The aim of the present work was investigation of the fluorescent dye thioflavin T (ThT) binding to acetylcholinesterase (AChE). thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
3 The aim of the present work was investigation of the fluorescent dye thioflavin T (ThT) binding to acetylcholinesterase (AChE). thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
4 The aim of the present work was investigation of the fluorescent dye thioflavin T (ThT) binding to acetylcholinesterase (AChE). thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
5 The aim of the present work was investigation of the fluorescent dye thioflavin T (ThT) binding to acetylcholinesterase (AChE). thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
6 Despite the extended and active investigation of ThT-AChE binding, there is still no common view on the stoichiometry of this interaction. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
7 In particular, there is a hypothesis explaining the spectral properties of bound to AChE dye and high quantum yield of its fluorescence by formation of dimers or excimers of ThT. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
8 In order to confirm or deny this hypothesis, we proposed a new experimental approach for examination of ThT-AChE interaction based on spectroscopic investigation of samples prepared by equilibrium microdialysis. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
9 This approach allowed us to prove 1/1 ThT/AChE binding stoichiometry. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
10 The increase of ThT fluorescence quantum yield and lifetime accompanying its binding to AChE can be explained by the molecular rotor nature of this dye. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
11 Together with the coincidence of the positions of free and AChE-bound ThT fluorescence spectra, the obtained results prove the groundlessness of the hypotheses about ThT aggregation while binding to AChE. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
12 Together with the coincidence of the positions of free and AChE-bound ThT fluorescence spectra, the obtained results prove the groundlessness of the hypotheses about ThT aggregation while binding to AChE. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
13 Together with the coincidence of the positions of free and AChE-bound ThT fluorescence spectra, the obtained results prove the groundlessness of the hypotheses about ThT aggregation while binding to AChE. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
14 The model of ThT localization in the active site of AChE was proposed by using molecular docking simulations. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens
15 These results also allowed us to suggest the key role of aromatic residues in ThT-AChE interaction, as observed for some amyloid fibrils. thioflavin T acetylcholinesterase (Cartwright blood group) Homo sapiens