@article{94852, keywords = {Carbohydrates, diagnosis, glycoconjugates, lateral flow assay, leprosy}, author = {van Dijk HJ and van Hooij A and Groot ML and Geboers J and Moretti R and Verhard-Seymonsbergen E and de Jong D and van der Marel G and Corstjens P and Codée J and Geluk A}, title = {Synthetic Phenolic Glycolipids for application in diagnostic tests for leprosy.}, abstract = {
Point-of-care (POC) diagnostic tests for rapid detection of individuals infected with Mycobacterium leprae ( M. leprae) , the causative pathogen of leprosy, represent efficient tools to guide therapeutic and prophylactic treatment strategies in leprosy control programs, thus positively contributing to clinical outcome and reduction of transmission of this infectious disease. Levels of antibodies directed against the M. leprae -specific phenolic glycolipid I (PGL-I) closely correlate with an individual's bacterial load and higher risk of developing leprosy. We here describe the assembly of a set of PGL glycans carrying the characteristic phenol aglycon and featuring different methylation patterns. The PGL trisaccharides were applied to construct neoglycoproteins that were used to detect anti-PGL IgM antibodies in leprosy patients. ELISAs and quantitative lateral flow assays based on up-converting nanoparticles (UCP-LFAs) showed that the generated PGL-I and PGL-II trisaccharide neoglycoconjugates can be applied for the detection of anti M. leprae IgM antibodies in POC tests.
}, year = {2020}, journal = {Chembiochem : a European journal of chemical biology}, month = {12/2020}, issn = {1439-7633}, doi = {10.1002/cbic.202000810}, language = {eng}, }