Patent ID: 7524498

Claim:
A method of inducing proliferative activity of lymphocytes, particularily CD4+ T cells, comprising administering to an individual in need thereof a pharmaceutical composition comprising an effective amount of humanized monoclonal antibodies having at least one complementarity determining region (CDR) of murine monoclonal antibody BAT-1 (mBAT-1) and a framework region (FR) from an acceptor human immunoglobulin, or modified therefrom, wherein the humanized antibody retains the anti-tumor activity of mBAT-1 monoclonal antibody, and wherein the humanized monoclonal antibodies comprise: a light chain variable region selected from the group consisting of: BATRKA (SEQ. ID NO. 15), BATRKB (SEQ. ID NO. 16), BATRKC (SEQ. ID NO. 17), and BATRKD (SEQ. ID NO. 18), and a heavy chain variable region selected from the group consisting of: BATRHA (SEQ. ID NO. 20), BATRHB (SEQ. ID NO. 21), BATRHC (SEQ. ID NO. 22), BATRHD (SEQ. ID NO. 23) and BATRHE (SEQ. ID NO. 24).