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Fluorinated Carbohydrates as Lectin Ligands: Simultaneous Screening of a Monosaccharide Library and Chemical Mapping by F-19 NMR Spectroscopy
(American Chemical Society, 2020-12-18)
Molecular recognition of carbohydrates is a key step in essential biological processes. Carbohydrate receptors can distinguish monosaccharides even if they only differ in a single aspect of the orientation of the hydroxyl ...
Molecular Recognition in C-Type Lectins: The Cases of DC- SIGN, Langerin, MGL, and L-Sectin
(2020-11-02)
Carbohydrates play a pivotal role in intercellular communication processes. In particular, glycan antigens are key for sustaining homeostasis, helping leukocytes to distinguish damaged tissues and invading pathogens from ...
Targeting Galectins With Glycomimetics
(Frontiers Media, 2020-08-07)
Among glycan-binding proteins, galectins, beta-galactoside-binding lectins, exhibit relevant biological roles and are implicated in many diseases, such as cancer and inflammation. Their involvement in crucial pathologies ...
Fluorinated carbohydrates as chemical probes formolecular recognition studies. Current statusand perspectives
(Royal Society of Chemistry, 2020-06-21)
This review provides an extensive summary of the effects of carbohydrate fluorination with regard to changes in physical, chemical and biological properties with respect to regular saccharides. The specific structural, ...
Unravelling the Time Scale of Conformational Plasticity and Allostery in Glycan Recognition by Human Galectin-1
(Wiley, 2020-12-01)
The interaction of human galectin-1 with a variety of oligosaccharides, from di-(N-acetyllactosamine) to tetra-saccharides (blood B type-II antigen) has been scrutinized by using a combined approach of different NMR ...
Mono and Di-Fucosylated Glycans of the Parasitic Worm S. Mansoniare Recognized Differently by the Innate Immune Receptor DC-SIGN
(Wiley, 2020-12-01)
The parasitic worm,Schistosoma mansoni, expresses unusual fucosylated glycans in a stage-dependent manner that can be recognized by the human innate immune receptor DC-SIGN, thereby shaping host immune responses. We have ...
Structural Characterization of N-Linked Glycans in the Receptor Binding Domain of the SARS-CoV-2 Spike Protein and their Interactions with Human Lectins
(Wiley, 2020-10)
The glycan structures of the receptor binding domain of the SARS-CoV2 spike glycoprotein expressed in human HEK293F cells have been studied by using NMR. The different possible interacting epitopes have been deeply analysed ...
Structure of a protective epitope reveals the importance of acetylation of Neisseria meningitidis serogroup A capsular polysaccharide
(National Academy of Sciences, 2020-11-24)
Meningococcal meningitis remains a substantial cause of mortality and morbidity worldwide. Until recently, countries in the African meningitis belt were susceptible to devastating outbreaks, largely attributed to serogroup ...