Journal
BRITISH JOURNAL OF HAEMATOLOGY
Volume 141, Issue 2, Pages 224-234Publisher
WILEY
DOI: 10.1111/j.1365-2141.2008.07040.x
Keywords
mesenchymal stem cells; stromal progenitor cells; graft-versus-host disease; bone marrow transplantation; stem cell transplantation
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Funding
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [R01HL073253] Funding Source: NIH RePORTER
- NHLBI NIH HHS [R01 HL73253-01] Funding Source: Medline
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Human and murine stromal progenitor cells (SPCs) can suppress alloresponse in vitro, suggesting that SPCs may have clinical application toward prevention or treatment of graft-versus-host disease (GVHD). However, th eresults of in vivo studies have been conflicting. This study utilized an established murine model of acute GVHD to assess the ability of bone marrow derived murine SPCs (mSPCs) to prevent or treat GVHD. GVHD was established by transplantation of B6 bone marrow and spleen cells into lethally irradiated (900 cGy) B6 x BALB/c F-1 recipients. mSPCs were administered using various dose and timing protocols designed to either prevent or treat GVHD. After transplantation, mice were monitored daily for weight and survival. Differences in symptom severity were compared using a clinical GVHD scoring system. All GVHD control mice died of lethal GVHD. All groups treated with mSPCs for the prevention of GVHD went on to develop clinical GVHD with no alteration of the disease course or severity compared to controls. Administration of mSPC after the development of GVHD failed to improve the disease course. We conclude that in this model, the ability of SPCs to suppress alloresponse in vitro does not correlate with in vivo prevention or treatment of acute GVHD.
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