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CD25 Blockade Delays Regulatory T Cell Reconstitution and Does Not Prevent Graft-versus-Host Disease After Allogeneic Hematopoietic Cell Transplantation

Frederick L Locke, Joseph Pidala, Barry Storer, Paul J Martin, Michael A Pulsipher, Thomas R Chauncey, Niels Jacobsen, Nicolaus Kröger, Irwin Walker, Susan Light, Bronwen E Shaw, Francisca Beato, Ginna G Laport, Auayporn Nademanee, Armand Keating, Gerard Socie, Claudio Anasetti
Biol Blood Marrow Transplant 2017 Mar 19;23(3):405-411. Epub 2016 Dec 19.

Daclizumab, a humanized monoclonal antibody, binds CD25 and blocks formation of the IL-2 receptor on T cells. A study of daclizumab as acute graft-versus- host disease (GVHD) prophylaxis after unrelated bone marrow transplantation was conducted before the importance of CD25+FOXP3+ regulatory T cells (Tregs) was recognized. Tregs can abrogate the onset of GVHD. The relation between Tregs and a graft-versus-malignancy effect is not fully understood…..

–Source: http://www.bbmt.org/article/S1083-8791(16)31183-1/abstract

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