Journal
JOURNAL OF CLINICAL IMMUNOLOGY
Volume 31, Issue 2, Pages 253-264Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10875-010-9478-2
Keywords
Busulfan; CD34(+) cord blood cells; humanized mice; NOD/SCID/IL-2R gamma(null) mouse; xenograft model
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Funding
- MEST [2009-0084573]
- Ministry of Health and Welfare [A080568]
- Medical Research Foundation of Samsung Biomedical Research Institute (SBRI) [C-A6-407-1]
- National Research Foundation of Korea [2009-0084573] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Busulfan treatment as a chemotherapeutic agent has been considered an alternative approach in xenograft model because it offers a simple, convenient, effective, and less toxic conditioning regimen. To investigate busulfan effects on the reconstitution of human immune cells and the generation of immune response to foreign antigens, we generated humanized NOD/SCID/IL-2R gamma(null) (NSG) mice conditioned either busulfan or total body irradiation (TBI) with hCD34(+) CB cells. Busulfan resulted in a high survival rate and effective reconstitution of human immune cells including B, T, macrophage, and dendritic cells in humanized NSG mice, compared to that of TBI. Moreover, the humanized NSG mice conditioned busulfan showed effective B cell development and thereby the high production of human antibody against immunized antigen. Humanized mice conditioned by busulfan provide a powerful and versatile tool for studying the entire process of human B-lymphocyte development and for producing specific human antibodies.
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