The present invention is directed to ligand/receptor and antigen/antibody specificity exchangers comprising a saccharide or glycoconjugate. Methods of making these specificity exchangers and methods of using said specificity exchangers to treat or prevent human disease are described herein....http://www.google.es/patents/US7534435?utm_source=gb-gplus-sharePatente US7534435 - Glycosylated specificity exchangers
