| abstract |
PROBLEM TO BE SOLVED: To provide a contrast agent, a radioisotope tracer and a therapeutic agent which are composed of a highly stable compound and have little harm to a living body and can detect a sentinel lymph node effectively. A compound having a plurality of amino groups is used as a mother nucleus, and one or more ligands and one or more mannose receptor affinity groups capable of forming a complex with a metal atom are bonded to the mother nucleus. A mannose receptor affinity compound is provided. The mother nucleus is preferably an amino sugar polymer such as glucosamine, mannosamine or galactosamine, or an amino group-containing protein such as albumin. Mannose receptor affinity groups are glucose, glucosamine, N-acetylglucosamine, 2-deoxyglucose, mannose, mannosamine, N-acetylmannosamine, mannose-6-phosphate, galactose, N-acetylgalactosamine, lactose, fucose Or derivatives thereof. [Selection figure] None |