Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity

Allogeneic hematopoietic cell transplantation can cure patients with high-risk leukemia through graft-versus-leukemia (GVL) effects, the process by which malignant leukemic cells are cleared by donor-derived immune cells from the graft. The problem of harnessing GVL effects while controlling inflamm...

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Main Authors: Joshua D. Brandstadter, Riley Outen, Ivan Maillard
Format: Article
Language:English
Published: American Society for Clinical Investigation 2023-08-01
Series:The Journal of Clinical Investigation
Online Access:https://doi.org/10.1172/JCI172251
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author Joshua D. Brandstadter
Riley Outen
Ivan Maillard
author_facet Joshua D. Brandstadter
Riley Outen
Ivan Maillard
author_sort Joshua D. Brandstadter
collection DOAJ
description Allogeneic hematopoietic cell transplantation can cure patients with high-risk leukemia through graft-versus-leukemia (GVL) effects, the process by which malignant leukemic cells are cleared by donor-derived immune cells from the graft. The problem of harnessing GVL effects while controlling inflammation and host-organ damage linked with graft-versus-host disease (GVHD) has been the most formidable hurdle facing allogeneic hematopoietic cell transplantation. This powerful, curative-intent therapy remains among the most toxic treatments in the hematologist’s armamentarium due to the combined risks of GVHD-related morbidity, infections, and leukemia relapse. In this issue of the JCI, Li, Wang, et al. report that T cell Stat3 deficiency can extricate GVL effects from GVHD through tissue-specific programmed death-ligand 1/programmed cell death protein 1–dependent (PD-L1/PD-1-dependent) bioenergetic alterations that blunt harmful T cell effects in GVHD target organs, while preserving their beneficial antitumor activity in lymphohematopoietic tissues.
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spelling doaj.art-55a4593ef9294378a448ff8d9e7162342023-11-07T16:20:41ZengAmerican Society for Clinical InvestigationThe Journal of Clinical Investigation1558-82382023-08-0113315Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activityJoshua D. BrandstadterRiley OutenIvan MaillardAllogeneic hematopoietic cell transplantation can cure patients with high-risk leukemia through graft-versus-leukemia (GVL) effects, the process by which malignant leukemic cells are cleared by donor-derived immune cells from the graft. The problem of harnessing GVL effects while controlling inflammation and host-organ damage linked with graft-versus-host disease (GVHD) has been the most formidable hurdle facing allogeneic hematopoietic cell transplantation. This powerful, curative-intent therapy remains among the most toxic treatments in the hematologist’s armamentarium due to the combined risks of GVHD-related morbidity, infections, and leukemia relapse. In this issue of the JCI, Li, Wang, et al. report that T cell Stat3 deficiency can extricate GVL effects from GVHD through tissue-specific programmed death-ligand 1/programmed cell death protein 1–dependent (PD-L1/PD-1-dependent) bioenergetic alterations that blunt harmful T cell effects in GVHD target organs, while preserving their beneficial antitumor activity in lymphohematopoietic tissues.https://doi.org/10.1172/JCI172251
spellingShingle Joshua D. Brandstadter
Riley Outen
Ivan Maillard
Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity
The Journal of Clinical Investigation
title Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity
title_full Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity
title_fullStr Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity
title_full_unstemmed Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity
title_short Having it both ways: how STAT3 deficiency blocks graft-versus-host disease while preserving graft-versus-leukemia activity
title_sort having it both ways how stat3 deficiency blocks graft versus host disease while preserving graft versus leukemia activity
url https://doi.org/10.1172/JCI172251
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