An antibody or antigen-binding portion thereof which binds to PSMA and comprises a heavy chain variable domain comprising the sequence given in SEQ ID NO:33, wherein SEQ ID NO:33 is: EVQLVQSGX9E X11KKPGASVKV SCKX24SGYTFT EYTIHWVX38QA X41 GKGLEWIGN INPNX55GGTTY NOKFEDRX68TX70 TVDKSTSTAY MELSSLRSED TAVYYCAAGW NFDYWGOGTT VTVSS wherein: X9 is A or P X11 is V or L X24 is A or T X38 is R or K X41 is P or H X55 is N or Q X68 is V or A; and X70 is I or L whereby the heavy chain variable domain comprises up to 3 amino acid sequence modification(s) between positions 1-30, 36-49, 67-98 and 105-115 of SEQ ID NO: 33. The invention also provides compounds that include the antibody or antigen-binding portion thereof, such as conjugates, and their use in the treatment or diagnosis of diseases, in particular cancers, particularly prostate cancer.
一种
抗体或其抗原结合部分,与PSMA结合,并包括包含在
SEQ ID NO:33中给定序列的重链可变域,其中
SEQ ID NO:33为:EVQLVQSGX9E X11KK
PGASVKV SCKX24SGYTFT EYTIHWVX38QA X41 GKGLEWIGN IN
PNX55GG
TTY NOKFEDRX68TX70 TVDKSTSTAY MELSSLR
SED TAVYY
CAAGW NFDYWGOG
TT VTVSS,其中:X9为A或P,X11为V或L,X24为A或T,X38为R或K,X41为P或H,X55为N或Q,X68为V或A;X70为I或L,重链可变域包括在
SEQ ID NO:33的1-30、36-49、67-98和105-115位置之间最多3个
氨基酸序列修饰。该发明还提供包括该
抗体或其抗原结合部分的化合物,如共轭物,并将其用于治疗或诊断疾病,特别是癌症,尤其是前列腺癌。