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Immunotargeting of Gram-Positive Pathogens a Cell Wall Binding Tick Antifreeze Protein. | LitMetric

Immunotargeting of Gram-Positive Pathogens a Cell Wall Binding Tick Antifreeze Protein.

J Med Chem

Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States.

Published: January 2023

AI Article Synopsis

Article Abstract

Immunological agents that supplement or modulate the host immune response have proven to have powerful therapeutic potential, although this modality is less explored against bacterial pathogens. We describe the application of a bacterial binding protein to re-engage the immune system toward pathogenic bacteria. More specifically, a hapten was conjugated to a protein expressed by ticks, called antifreeze glycoprotein (IAFGP), that has high affinity for the d-alanine residue on the bacterial peptidoglycan. We showed that a fragment of this protein retained high surface binding affinity. Moreover, conjugation of a hapten to this peptide led to the display of haptens on the cell surface of vancomycin-resistant . Hapten display then induced the recruitment of antibodies and promoted uptake of bacterial pathogens by immune cells. These results demonstrate the feasibility in using cell wall binding agents as the basis of a class of bacterial immunotherapies.

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Source
http://dx.doi.org/10.1021/acs.jmedchem.2c01464DOI Listing

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