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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Stein, Johann Berger, Stephanie A. Zilberberg, Jenny Friedman, Thea M. Vazzana, Kristin Korngold, Robert Fanning, Stacey L. |
| Description | Country affiliation: United States Author Affiliation: Fanning SL ( John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ 07601, USA.) |
| Abstract | The optimum use of allogeneic blood and marrow transplantation (BMT) as a curative therapy for hematological malignancies lies in the successful separation of mature donor T cells that are host reactive and induce graft-versus-host disease (GVHD) from those that are tumor reactive and mediate graft-versus-leukemia (GVL) effects. To study whether this separation was possible in an MHC-matched murine BMT model (B10.BRâ CBA) with a CBA-derived myeloid leukemia line, MMC6, we used TCR Vß CDR3-size spectratype analysis to first show that the Vß13 family was highly skewed in the B10.BR anti-MMC6 CD8(+) T cell response but not in the alloresponse against recipient cells alone. Transplantation of CD8(+)Vß13(+) T cells at the dose equivalent of their constituency in 1 × 10(7) CD8(+) T cells, a dose that had been shown to mediate lethal GVHD in recipient mice, induced a slight GVL response with no concomitant GVHD. Increasing doses of CD8(+)Vß13(+) T cells led to more significant GVL responses but also increased GVHD symptoms and associated mortality. Subsequent spectratype analysis of GVHD target tissues revealed involvement of gut-infiltrating CD8(+)Vß13(+) T cells accounting for the observed in vivo effects. When BMT recipients were given MMC6-presensitized CD8(+)Vß13(+) T cells, they displayed a significant GVL response with minimal GVHD. Spectratype analysis of tumor-presensitized, gut-infiltrating CD8(+)Vß13(+) T cells showed preferential usage of tumor-reactive CDR3-size lengths, and these cells expressed increased effector memory phenotype (CD44(+)CD62L(-/lo)). Thus, Vß spectratyping can identify T cells involved in antihost and antitumor reactivity and tumor presensitization can aid in the separation of GVHD and GVL responses. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1201641 |
| Journal | The Journal of Immunology |
| Issue Number | 1 |
| Volume Number | 190 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2013-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Bone Marrow Transplantation Immunology Graft Vs Host Disease Leukemia, Myeloid, Acute Receptors, Antigen, T-cell, Alpha-beta Biosynthesis Animals Pathology Cd8-positive T-lymphocytes Metabolism Transplantation Cell Line, Tumor Complementarity Determining Regions Disease Models, Animal Mortality Therapy Immunoglobulin Variable Region Mice Mice, Inbred C57bl Mice, Inbred Cba Research Support, N.i.h., Extramural Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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