| abstract |
Disclosed is a safe composite body for antigen delivery or a safe composite body for drug delivery, which is characterized by having a tropism to cells or organs. The composite body for antigen or drug delivery has high titer and can be produced and stored on a large scale.nSpecifically disclosed is a composite body for antigen or drug delivery, which is characterized by containing a composite of an antigen or drug and a cationic molecule, and an anionic molecule that internally contains the composite, and also characterized by having a tropism to cells or organs. The composite body for antigen or drug delivery can be used as a main component of a drug delivery system that delivers various antigens or drugs to specific cells or organs. |