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Updated: Jun 30, 2026
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Bone Marrow Transplantation Platform to Investigate the Role of Dendritic Cells in Graft-versus-Host Disease
Published on: March 17, 2020
GVHD after chemotherapy conditioning in allogeneic transplanted mice
B Sadeghi1, N Aghdami, Z Hassan
1Experimental Cancer Medicine, Institution for Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.
Bone Marrow Transplantation
|September 30, 2008
Summary
This study presents a new mouse model for Graft-versus-Host Disease (GVHD) using chemotherapy conditioning, crucial for understanding transplants. The model mimics clinical scenarios, aiding GVHD mechanism research.
Area of Science:
- Immunology
- Hematology
- Transplantation Science
Background:
- Graft-versus-Host Disease (GVHD) is a significant complication following allogeneic stem cell transplantation (SCT).
- Existing GVHD models predominantly utilize radiotherapy conditioning, overlooking chemotherapy-based regimens common in clinical practice.
Purpose of the Study:
- To develop and validate a novel GVHD mouse model employing chemotherapy-based conditioning.
- To establish a preclinical platform for investigating GVHD mechanisms relevant to chemotherapy-conditioned SCT.
Main Methods:
- Conditioning of female BALB/c mice with busulfan and cyclophosphamide (BU-CY).
- Transplantation of allogeneic (C57BL/6) or syngeneic (BALB/c) bone marrow and spleen cells.
- Evaluation of GVHD manifestations, histopathology, chimerism, and donor T cell infiltration using FACS, FISH, and immunohistochemistry.
Main Results:
- Allogeneic transplantation induced lethal GVHD with clinical and histological signs by day +7.
- Donor T cells infiltrated recipient skin and intestine, correlating with GVHD progression.
- Bone marrow failure, apoptosis, and T-lymphocyte infiltration were significantly higher in the allogeneic group compared to syngeneic controls.
Conclusions:
- A robust mouse model for GVHD using BU-CY chemotherapy conditioning has been established.
- This model accurately reflects common clinical conditioning regimens and is suitable for studying GVHD pathogenesis.
