Overexpressed differentiation antigens as targets of graft-versus-leukemia reactions.

Abstract

The graft-versus-leukemia (GVL) effect associated with allogeneic blood and marrow transplantation has largely been a clinically described phenomenon until recently. We are beginning to understand the cellular and molecular nature of GVL, and in this review the authors highlight the potential for self-antigen-specific T lymphocytes to contribute to GVL. The authors focus on myeloid tissue-restricted proteins as GVL target antigens in CML and AML, and in particular on proteinase 3 and other azurophil granule proteins as targets for both autologous and allogeneic T-cell responses. Finally, the authors discuss myeloid self-antigen-directed alloreactivity in the context of our evolving understanding of the critical molecular determinants of allogeneic T-cell recognition. By altering T-cell receptor affinity, peptide specificity can be maintained and the potency of immunity can be enhanced in the MHC-mismatched setting.

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@article{Molldrem2002OverexpressedDA, title={Overexpressed differentiation antigens as targets of graft-versus-leukemia reactions.}, author={Jeffrey J. Molldrem and Krishna V Komanduri and Eric D. Wieder}, journal={Current opinion in hematology}, year={2002}, volume={9 6}, pages={503-8} }