Simple biomembrane models, namely micellar aggregates formed by enantiopure sodium N-acylprolinates, are able to convert the racemic mixture of bilirubin-IXα into an enantiomerically enriched mixture, thus suggesting a possible role of chirality in bilirubin toxicity due to the perturbation of neuron membrane dynamics. The length of alkyl chain does not influence the extent of equilibrium displacement, however, it affects the conformation of bilirubin, thus confirming the role of lipid structure in the membrane/bilirubin interaction, and suggesting a non-superficial main site of association. © 2008 Elsevier Inc. All rights reserved.
Enantiodiscrimination of bilirubin-IX alpha enantiomers in biomembrane models: Has chirality a role in bilirubin toxicity?
GIANSANTI, LUISA;
2008-01-01
Abstract
Simple biomembrane models, namely micellar aggregates formed by enantiopure sodium N-acylprolinates, are able to convert the racemic mixture of bilirubin-IXα into an enantiomerically enriched mixture, thus suggesting a possible role of chirality in bilirubin toxicity due to the perturbation of neuron membrane dynamics. The length of alkyl chain does not influence the extent of equilibrium displacement, however, it affects the conformation of bilirubin, thus confirming the role of lipid structure in the membrane/bilirubin interaction, and suggesting a non-superficial main site of association. © 2008 Elsevier Inc. All rights reserved.File in questo prodotto:
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