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2. Molecular Basis of the Receptor Interactions of Polysialic Acid (polySia), polySia Mimetics, and Sulfated Polysaccharides

Author

Zhang, Ruiyan, Loers, Gabriele, Schachner, Melitta, Boelens, Rolf, Wienk, Hans, Siebert, Simone, Eckert, Thomas, Kraan, Stefan, Rojas-Macias, Miguel A., Lütteke, Thomas, Galuska, Sebastian P., Scheidig, Axel, Petridis, Athanasios K., Liang, Songping, Billeter, Martin, Schauer, Roland, Steinmeyer, Jürgen, Schröder, Jens Michael, Siebert, Hans Christian, Sub NMR Spectroscopy, and NMR Spectroscopy

Subjects
Male, 0301 basic medicine, Cell, sulfated polysaccharides, Biochemistry, Pharmacology, Toxicology and Pharmaceutics(all), Mice, Cell Movement, Glycomimetic, Drug Discovery, General Pharmacology, Toxicology and Pharmaceutics, Myristoylated Alanine-Rich C Kinase Substrate, Receptor, Cells, Cultured, Neurons, Microscopy, Confocal, Intracellular Signaling Peptides and Proteins, Cell Differentiation, Molecular Docking Simulation, medicine.anatomical_structure, Molecular Medicine, Sulfated polysaccharides, Female, Protein Binding, Glycan, polysialic acid, Molecular Sequence Data, Biology, Patient care, 03 medical and health sciences, Polysaccharides, medicine, Animals, Humans, Amino Acid Sequence, Nuclear Magnetic Resonance, Biomolecular, Pharmacology, Binding Sites, Polysialic acid, Regeneration (biology), Organic Chemistry, Membrane Proteins, Protein Structure, Tertiary, Mice, Inbred C57BL, Toxicology and Pharmaceutics(all), 030104 developmental biology, Sialic Acids, biology.protein, polysia mimetics, molecular interactions
Abstract

Polysialic acid (polySia) and polySia glycomimetic molecules support nerve cell regeneration, differentiation, and neuronal plasticity. With a combination of biophysical and biochemical methods, as well as data mining and molecular modeling techniques, it is possible to correlate specific ligand-receptor interactions with biochemical processes and in vivo studies that focus on the potential therapeutic impact of polySia, polySia glycomimetics, and sulfated polysaccharides in neuronal diseases. With this strategy, the receptor interactions of polySia and polySia mimetics can be understood on a submolecular level. As the HNK-1 glycan also enhances neuronal functions, we tested whether similar sulfated oligo- and polysaccharides from seaweed could be suitable, in addition to polySia, for finding potential new routes into patient care focusing on an improved cure for various neuronal diseases. The knowledge obtained here on the structural interplay between polySia or sulfated polysaccharides and their receptors can be exploited to develop new drugs and application routes for the treatment of neurological diseases and dysfunctions. Submolecular polySia-nce: Specific interactions of polysialic acid (polySia) and polySia glycomimetic molecules were studied at the submolecular level using a combination of NMR and molecular modeling. The structure-function interplay between polySia or sulfated polysaccharides and their receptors can be exploited to develop new drugs and application routes for the treatment of neurological diseases and dysfunctions.

Published
2016
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7. Cover Picture: Molecular Organization of Various Collagen Fragments as Revealed by Atomic Force Microscopy and Diffusion-Ordered NMR Spectroscopy (ChemPhysChem 13/2012)

Author

Stötzel, Sabine, primary, Schurink, Marloes, additional, Wienk, Hans, additional, Siebler, Uschi, additional, Burg-Roderfeld, Monika, additional, Eckert, Thomas, additional, Kulik, Bianca, additional, Wechselberger, Rainer, additional, Sewing, Judith, additional, Steinmeyer, Jürgen, additional, Oesser, Steffen, additional, Boelens, Rolf, additional, and Siebert, Hans-Christian, additional

Published
2012
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8. Molecular Organization of Various Collagen Fragments as Revealed by Atomic Force Microscopy and Diffusion‐Ordered NMR Spectroscopy

Author

Stötzel, Sabine, primary, Schurink, Marloes, additional, Wienk, Hans, additional, Siebler, Uschi, additional, Burg‐Roderfeld, Monika, additional, Eckert, Thomas, additional, Kulik, Bianca, additional, Wechselberger, Rainer, additional, Sewing, Judith, additional, Steinmeyer, Jürgen, additional, Oesser, Steffen, additional, Boelens, Rolf, additional, and Siebert, Hans‐Christian, additional

Published
2012
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