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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | El Badri, N. S. Good, R. A. |
| Description | Author Affiliation: el Badri NS ( Department of Pediatrics, University of South Florida, All Children's Hospital, St. Petersburg 33701.); |
| Abstract | Nonadherent (NA), low density (LD), wheat germ agglutinin-positive (WGA+) murine hemopoietic stem cell-enriched preparations (HSCPs) were tested for the capability to reconstitute lymphohemopoietic elements in lethally irradiated mice. HSCPs from BALB/c mice reconstituted lethally irradiated, major histocompatibility complex (MHC)-matched DBA/2 mice to normal histology of the thymus and spleen and normal humoral and cellular immune functions. By contrast, lethally irradiated B6 mice could not be reconstituted after transplantation with NA, LD, WGA+ cells from MHC-mismatched BALB/c mice. We previously observed frequent survival, stable chimerism, and normally vigorous functioning immune systems in B6 mice transplanted with T-cell-depleted bone marrow from both BALB/c and B6 donors. To extend these findings to a stem cell transplantation system, lethally irradiated B6 mice were transplanted with NA, LD, WGA+ cells from both BALB/c and B6 mice. These mixed stem cell-enriched preparations did not reconstitute the lethally irradiated, MHC-mismatched mice. By contrast, such HSCPs from BALB/c plus DBA/2 into DBA/2 mice reconstituted the hematologic and lymphoid tissues and functional immune systems when the donor and the recipient pairs were matched at MHC and mismatched at multiminor histocompatibility barriers. These purified blood progenitors thus appear to lack certain cells/factors essential for engraftment and reconstituting recipients in a fully allogeneic environment. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 14 |
| Volume Number | 90 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1993-08-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Bone Marrow Transplantation Immunology Hematopoietic Stem Cell Transplantation Histocompatibility Major Histocompatibility Complex Animals Biological Markers Gamma Rays Immune System Growth & Development Radiation Effects Immune Tolerance Mice Mice, Inbred BALB C Mice, Inbred C57BL Mice, Inbred DBA Radiation Chimera Spleen Cytology Survival Analysis Thymus Gland Viral Plaque Assay Wheat Germ Agglutinins Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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