Peripheral Blood CD34+ Donor Chimerism Is Superior to CD3+ Donor Chimerism for Predicting Relapse Following Allogeneic Stem Cell Transplantation for Myeloid Malignancies
Abstract:Background: Disease relapse remains the main cause of mortality after allogeneic stem cell transplantation (allo-SCT) for patients with myeloid malignancies. Loss of donor chimerism (DC) is commonly used as a biomarker of impending relapse, which allows the initiation of pre-emptive therapies such as withdrawal of immunosuppression or donor lymphocyte infusion (DLI). Surprisingly, there are few if any direct comparisons of peripheral blood CD34+ and CD3+ DC as biomarkers to predict relapse. We hypothesized tha… Show more
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