???Mannose-binding protein??? as used herein intends a lectin or other protein which specifically binds to proteins having mannose-terminated glycosylation (e.g., asialoglycoproteins), for example, mannose-binding lectins, antibodies specific for mannose-terminated glycosylation, mannose receptor protein (R. A. B. Ezekowitz et al., J Exp Med (1990)176:1785???94), asialoglycoprotein receptor protei