Category Archives: News about GLYcoDiag

GLYcoPROFILE® used for the developement of emotional active ingredient

Queiroz, A., Landemarre, L., Vial, F., Aubert, A., IFSCC Magazine 1 2020

The GLYcoPROFILE® study was used recently in the development of a new cosmetic ingredient developped by Seqens. This study highlights the ability of a high molecular weight exopolysaccharide to provide a quantifiable benefit versus placebo by visibly enhancing not only the quality of the skin tissue but also the consumer’s emotional state. In fact, the GLYcoPROFILE have enabled to highlight specific interaction with rhamnose specific lectin (lectin CorM which recognizes rhamnosylated glycan structures in the same manner as rhamnose-specific protein expressed at the surface of keratinocytes and fibroblasts). Apart from the fact that rhamnose glycan motif recognition is known to interfere with cells and epidermal regeneration, thus having anti-aging and anti-inflammatory properties, rhamnose recognition is known to enhance beta-endorphin release by keratinocytes and improve the feeling of wellbeing.

A review about Galactofuranose-related Enzymes

Senecar, M., Lafite, P., Eliseeva, S. V., Petoud, S., Landemarre, L., Daniellou, R., Int. J. Mol. Sci. 2020, 21, 3465; doi:10.3390/ijms21103465

Galactofuranose is a rare form of the well-known galactose sugar, and its occurrence in numerous pathogenic micro-organisms makes the enzymes responsible for its biosynthesis interesting targets. This review summarizes the role of these carbohydrate-related proteins with a special emphasis on the galactofuranosidases recently characterized as an efficient recombinant biocatalyst.

FimH LEctPROFILE kit enables to screen and study new FimH ligands based on cellulose derivatives.

Cauwel, M.; Sivignon, A.; Bridot, C.; Nongbe, M. C.; Deniaud, D.; Roubinet, B.; Landemarre, L.; Felpin, F.-X.; Bouckaert, J.; Barnich N.; Gouin, S. G.; Chem. Commun., 2019, 55, 10158-10161 .

The development of a chemical method to covalently functionalize cellulose nanofibers and cellulose paper with mannoside ligands displaying a strong affinity for the FimH adhesin from pathogenic E. coli strains was studied. Mannose-grafted cellulose proved efficient to selectively bind FimH lectin and discriminate pathogenic E. coli strains from non-pathogenic ones. FimH LEctPROFILE plates was used in this study to evaluate the effect of the mannose-grafted cellulose compound over FimH lectin.