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High Throughput Sequential ELISA for Validation of Biomarkers of Acute Graft-Versus-Host Disease
Published on: October 31, 2012
MicroRNA in T-Cell Development and T-Cell Mediated Acute Graft-Versus-Host Disease
Christian Koenecke1,2, Andreas Krueger3
1Clinic for Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany.
Abstract:
Acute graft-versus-host disease (GvHD) is still a major cause of treatment-related mortality after allogeneic stem cell transplantation. Allo-antigen recognition of donor T cells after transplantation account for the onset and persistence of this disease. MicroRNAs (miRNAs) are molecular regulators involved in numerous processes during T-cell development, homeostasis, and activation. Thus, miRNAs also contribute to pathological T-cell function during GvHD. Given their capacity of fine-tuning T-cell function, miRNAs have emerged as promising therapeutic targets to curtail acute GvHD, but simultaneously maintain T-cell-mediated graft-versus-tumor effects. Here, we review the role of key miRNAs contributing to the pathophysiology of GvHD. We focus on those miRNAs acting in T cells and for which a role in GvHD has been established in preclinical models. Finally, we provide an outlook for clinical application of this new therapeutic target for GvHD prevention and treatment.
Insights
MicroRNAs (miRNAs) are key regulators in T-cell function and acute graft-versus-host disease (GvHD). Targeting specific miRNAs in T cells offers a promising strategy for GvHD treatment while preserving graft-versus-tumor effects.
Area of Science:
- Immunology
- Molecular Biology
- Transplantation Medicine
Background:
- Acute graft-versus-host disease (GvHD) is a significant cause of mortality following allogeneic stem cell transplantation.
- Donor T-cell recognition of allo-antigens drives GvHD pathogenesis.
- MicroRNAs (miRNAs) are critical regulators of T-cell development, homeostasis, and activation, influencing pathological T-cell responses in GvHD.
Purpose of the Study:
- To review the role of specific miRNAs in the pathophysiology of GvHD.
- To highlight miRNAs acting within T cells that are implicated in GvHD.
- To explore the therapeutic potential of miRNAs for GvHD management.
Main Methods:
- Literature review focusing on miRNAs involved in T-cell function and GvHD.
- Analysis of preclinical models demonstrating the role of specific miRNAs in GvHD.
- Synthesis of current knowledge on miRNA-mediated regulation of T-cell responses in GvHD.
Main Results:
- Several key miRNAs have been identified as critical contributors to GvHD development and progression.
- These miRNAs modulate T-cell activation, differentiation, and effector functions relevant to GvHD.
- Preclinical studies support the involvement of specific miRNAs in GvHD pathophysiology.
Conclusions:
- MicroRNAs represent promising therapeutic targets for modulating GvHD.
- Targeting miRNAs could allow for the curtailment of acute GvHD while preserving essential graft-versus-tumor immunity.
- Further investigation and clinical translation of miRNA-based therapies for GvHD are warranted.
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