Definition of "graft-versus-host" [graft-versus-host]

• A syndrome wherein immune cells in transplanted bone marrow fight its recipient. (noun)

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• "Once the new marrow had engrafted, the recipient ran the risk of that foreign marrow turning and attacking his or her own body as well as any residual leukemia left in the marrow, a deadly complication termed graft-versus-host disease or GVHD."
• "Researchers found that daily low-dose injections of interleukin-2 appeared to help some patients by treating the side effect, known as graft-versus-host disease GVHD."
• "For him, a stem cell transplant came with its own risks and challenges, among them a common, potentially fatal complication called graft-versus-host disease."