FIELD: medicine, pharmaceutics.
SUBSTANCE: present invention refers to biotechnology. There are presented versions of a humanised anti-CD79b antibody, each of which is characterised by the presence of a light and heavy chain and a set of 6 CDR with a specified amino acid sequence and at least one free cysteine amino acid residue specified in A118C (according to the European Numeration) in the heavy chain and V205C (according to the Kabat numeration) in the light chain. There are disclosed: versions of a conjugate compound of the antibody and a drug preparation, wherein the antibody is bond to the drug preparation through free cysteine; an antibody-based pharmaceutical compound for treating cancer; method for detecting CD79b or cancer cells, as well as a method for inhibiting cell proliferation using the conjugate compound. What is described is a method for producing the conjugate compound.
EFFECT: invention can find further application in the therapy of CD79b-associated cancer diseases, including treating haemopoietic tumours in mammals.
70 cl, 20 tbl, 9 ex, 51 dwg
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