| 摘要 |
The invention provides a composition for modulating immunity by the in vivo targeting of an antigen to dendritic cells. The composition comprises: a preparation of antigen-containing membrane vesicles or antigen-containing liposomes which have on their surfaces a plurality of metal chelating groups; and, a ligand for a receptor on the dendritic cells, the ligand being linked to a metal chelating group via a metal affinity tag on the ligand. The composition further includes an immunomodulatory factor. A process for preparing the composition is also provided. The invention further provides a method of modulating an immune disorder, and methods of treating tumours and infections.
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