Claim: Fresolimumab is a human monoclonal antibody made by cloning a unique white blood cell, with all subsequent antibodies derived from it tracing back to it; it has a target of TFG one, two and three.
Evidence: Fresolimumab (GC1008) is a human monoclonal antibody and an immunomodulator. A monoclonal antibody (mAb or moAb) is an antibody made by cloning a unique white blood cell. All subsequent antibodies derived this way trace back to a unique parent cell. TGF beta 1, 2 and 3