NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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alloantigen-specific allogeneic type 1 regulatory T cells T-allo10
A preparation of allogeneic CD4+ cells that were ex vivo stimulated with alloantigens, which involves exposing the cells to host antigen-presenting cells (APCs), in the presence of the immunomodulatory cytokine interleukin-10 (IL-10), with potential to prevent graft-versus-host disease (GvHD). The stimulation of the CD4+ cells by exposure to alloantigens plus IL-10 induces the differentiation of alloantigen-specific type 1 T regulatory (TR1) cells, which are hyporesponsive to the alloantigens. Upon infusion of T-allo10 and prior to donor hematopoietic stem cell transplantation (HSCT), the alloantigen-specific type 1 regulatory T cells are tolerant to the alloantigens and suppress alloreactive immune responses by donor CD4+ and CD8+ T cells. This may ultimately prevent GvHD. IL-10 plays a key role in controlling inflammation, down-regulating immune responses, and inducing immunological tolerance. IL-10 induces both a long lasting antigen specific T-cell anergy and the differentiation of TR1 cells. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:alloantigen-specific TR1 cells Allo10
alloantigen-specific type 1 Tregs T-allo10
donor-derived host alloantigen-specific IL-10 anergized T cells
T-allo10 cells
Abbreviation:T-allo10