Targeting of Erb antigens

A conjugate comprising a) a trifunctional cross-linking moiety, to which is coupled b) an affinity ligand via a linker 1, c) a cytotoxic agent, optionally via a linker 2, and d) an anti Erb antibody or variants thereof having the ability to bind to Erb antigens expressed on mammalian tumour surfaces...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RUNE NILSSON, BENGT E. B. SANDBERG
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PEPTIDES PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES TESTING
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Beschreibung
Zusammenfassung:	A conjugate comprising a) a trifunctional cross-linking moiety, to which is coupled b) an affinity ligand via a linker 1, c) a cytotoxic agent, optionally via a linker 2, and d) an anti Erb antibody or variants thereof having the ability to bind to Erb antigens expressed on mammalian tumour surfaces with an affinity-binding constant of at least 5x106 M-1, wherein the affinity ligand is biotin, or a biotin derivative having essentially the same binding function to avidin or streptavidin as biotin, wherein stability towards enzymatic cleavage of the biotinamide bond has been introduced in linker 1.