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Interaction of lectin Sambucus nigra with sialylated trisaccharides in the presence of osmolytes. Chronopotentiometric sensing
T. Galicová, S. Hasoň, V. Ostatná
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články
- MeSH
- bez černý * chemie metabolismus MeSH
- cukry MeSH
- lektiny * metabolismus MeSH
- trisacharidy metabolismus MeSH
- Publikační typ
- časopisecké články MeSH
Trisaccharides bind to their interaction partners-lectins relatively weakly, which makes detection of their complexes challenging. In this work, we show that an osmolyte presence improves the distinguishing complexes of lectin Sambucus nigra with trisialyllactoses with various binding affinities. The addition of osmolyte, non-binding sugar mannose significantly improved the precision of binding experiments performed using chronopotentiometric stripping at the electrode surface and fluorescence analysis in solution. Osmolytes minimized nonspecific interactions between binding sugar and lectin. Obtained findings can be utilized in any in vitro methods studying interactions of carbohydrates, respectively their conjugates with proteins. The study of carbohydrate interactions appears important since they play essential roles in a variety of biological processes including carcinogenesis.
Citace poskytuje Crossref.org
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- $a Galicová, Tatiana $u Institute of Biophysics, The Czech Academy of Sciences, Královopolská 135, 612 65, Brno, Czech Republic; Department of Biochemistry, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
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- $a Trisaccharides bind to their interaction partners-lectins relatively weakly, which makes detection of their complexes challenging. In this work, we show that an osmolyte presence improves the distinguishing complexes of lectin Sambucus nigra with trisialyllactoses with various binding affinities. The addition of osmolyte, non-binding sugar mannose significantly improved the precision of binding experiments performed using chronopotentiometric stripping at the electrode surface and fluorescence analysis in solution. Osmolytes minimized nonspecific interactions between binding sugar and lectin. Obtained findings can be utilized in any in vitro methods studying interactions of carbohydrates, respectively their conjugates with proteins. The study of carbohydrate interactions appears important since they play essential roles in a variety of biological processes including carcinogenesis.
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