CE29 - Chimie : analyse, théorie, modélisation

Glycan epitope profiling by hyphenation of IR laser spectroscopy and separative methods – GEPHIR

Submission summary

We present a methodological development for glycomics - a field which lags far behind its counterparts genomics and proteims in terms of available analytical tools. The proposed method will focus on profiling glycans epitopes (acetylated sialic acid and sulfatated extremities) which is currently beyond the state of the art of analytical chemistry and impairs the comprehensive characterisation of glycosylation profiles of proteins. The original concept underlying the proposition is the use of IR ion spectroscopy coupled with three dimension of separation (LC, IMS and MS) to resolve all existing isomeric patterns present in a heterogeneous mixture. The project brings together an interdisciplinary consortium of acknowledged experts in the fields of glycomics, ion spectroscopy, glycan synthesis and immunology.?To demonstrate the future impact of the method for glycosciences, we propose a case study: the early diagnostic of rheumatoid arthritis.

Project coordination

Isabelle COMPAGNON (Isabelle Compagnon)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


PLBS Plateformes Lilloises en Biologie Santé
HCL_DRS Hospices Civils de Lyon - Direction de la Recherche en Santé
ILM Isabelle Compagnon

Help of the ANR 402,852 euros
Beginning and duration of the scientific project: September 2021 - 48 Months

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