Functionalized High Mannose-Specific Lectins for the Discovery of Type I Mannosidase Inhibitors
Overview
Affiliations
An engineered cyanovirin-N homologue that exhibits specificity for high mannose N-glycans has been constructed to aid type I α 1,2-mannosidase inhibitor discovery and development. Engineering the lectins C-terminus permitted facile functionalization with fluorophores via a sortase and click strategy. The resulting lectin constructs exhibit specificity for cells presenting high mannose N-glycans. Importantly, these lectin constructs can also be applied to specifically assess changes in cell surface glycosylation induced by type I mannosidase inhibitors. Testing the utility of these lectin constructs led to the discovery of type I mannosidase inhibitors with nanomolar potency. Cumulatively, these findings reveal the specificity and utility of the functionalized cyanovirin-N homologue constructs, and highlight their potential in analytical contexts that require high mannose-specific lectins.
Conserved role of spike S2 domain N-glycosylation across beta-coronavirus family.
Yang Q, Kelkar A, Manicassamy B, Neelamegham S bioRxiv. 2024; .
PMID: 39282346 PMC: 11398505. DOI: 10.1101/2024.09.05.611372.
Disrupting N-Glycosylation Using Type I Mannosidase Inhibitors Alters B-Cell Receptor Signaling.
Huang A, Kurhade S, Ross P, Apley K, Griffin J, Berkland C ACS Pharmacol Transl Sci. 2022; 5(11):1062-1069.
PMID: 36407961 PMC: 9667535. DOI: 10.1021/acsptsci.2c00153.
Lectin Drug Conjugates Targeting High Mannose N-Glycans.
Kurhade S, Ross P, Gao F, Farrell M Chembiochem. 2022; 23(19):e202200266.
PMID: 35816406 PMC: 9738879. DOI: 10.1002/cbic.202200266.
Di Gaetano S, Capasso D, Delre P, Pirone L, Saviano M, Pedone E Int J Mol Sci. 2021; 22(12).
PMID: 34208755 PMC: 8235207. DOI: 10.3390/ijms22126462.