<prompt> Anti-CD25 Humanized monoclonal antibody used for immunosuppression in organ Transplant patient is:BasiliximabRituximabAltemtuzumabMuromonab  <response>: Basiliximab is an Anti-CD25 Antibody IL-2 receptor antagonists used for immunosuppression in organ transplant patiennts. Monoclonal Antibodies as Immunosuppressive agents in Organ Transplantation: Anti-CD3- Muromonab-CD3 Anti-CD20-Rituximab Anti-CD25 IL 2 receptor- BasiliximabChimeric, DaclizumabHumanized Anti-CD52-Alemtuzumab Drug Trade name Target Monoclonal Antibody Type Mechanism Muromonab-CD3 Ohoclone OKT3 Anti-CD3 MurineMouse Monoclonal antibody Binds CD3 associated with the TCR, leading to initial activation and cytokine release, followed by blockade of function, lysis and T cell depletion Rituximab Rituxan Anti-CD20 Recombinant Chimeric Monoclonal antibody Binds to CD20 on B cells and causes depletion Basiliximab Simulect Anti-CD25 Recombinant Chimeric Monoclonal Antibody Binds to high-affinity chain of IL-2 Receptors CD25 on activated T cells, causing depletion and preventing IL-2 mediated activation Daclizumab Zenopax Anti-CD25 Recombinant Humanized Monoclonal Antibody Similar to that of Basiliximab Alemtuzumab Campath-1h Anti-CD52 Recombinant Humanized Monoclonal Antibody Binds to CD52 expressed on most T and B cells, monocytes, macrophages, and NK cells, causing lysis and prolonged depletion Ref: KDT 7th edition Pgno: 878 