#$%^&*AU2012200059A120120202.pdf#####C ~NR Po~bCW E T30 1IDOC5'I102 2 ABSTRACT The present invention is directed to ligand/receptor and antigen/antibody specificity exchangers comprising a saccharide or glycoconjugates. Methods of making these specificity exchangers and methods of using said specificity exchangers to treat or prevent human disease are described herein.