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The phenotype and reconstitution of immunoregulatory T cell subsets after T cell-depleted allogeneic and autologous bone marrow transplantation. 1994

K Sugita, and R J Soiffer, and C Murray, and S F Schlossman, and J Ritz, and C Morimoto
Division of Tumor Immunology, Dana-Farber Cancer Institute, Boston, MA 02115.

In the present study, we examined changes in the expression of CD45RA, CD31, and CD29 on total CD4 and CD8 lymphocytes in patients who had received CD6 T cell-depleted allogeneic marrow and received no immune suppressive drugs after engraftment in order to identify defects in reconstitution of immunoregulatory T cells after allogeneic BMT. Results following allo-BMT were compared with normal controls and patients following autologous BMT. We showed that CD4+CD45RA+, CD4+CD29+ (CD29high), and CD4+CD31+ cells were markedly decreased during the first 24 months after allo- and auto-BMT. CD8+CD45RA+ cells recovered to normal levels within the first month after auto-BMT, while after allo-BMT, the CD8+CD45RA+ cells were at slightly low levels during the first month, but gradually increased to normal levels by 12 months post-BMT. CD8+CD29+ cells were increased during the first 12 months both after allo- and auto-BMT although during the first month, a decreased percentage of CD8+CD29+ cells was observed in allo-BMT patients. More important, CD4+CD29+, CD8+CD29+, and CD8+S6F1+ cells were significantly increased in patients with moderate-to-severe acute GVHD (grades II-IV) compared with those with or without mild acute GVHD (grade I), suggesting that CD4 helper-inducer (CD4+CD29high) and CD8 killer-effector (CD8+CD29highS6F1+) cells play an important role in the pathophysiology of acute GVHD.

UI MeSH Term Description Entries
D008212 Lymphocyte Depletion Immunosuppression by reduction of circulating lymphocytes or by T-cell depletion of bone marrow. The former may be accomplished in vivo by thoracic duct drainage or administration of antilymphocyte serum. The latter is performed ex vivo on bone marrow before its transplantation. Depletion, Lymphocyte
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D006086 Graft vs Host Disease The clinical entity characterized by anorexia, diarrhea, loss of hair, leukopenia, thrombocytopenia, growth retardation, and eventual death brought about by the GRAFT VS HOST REACTION. Graft-Versus-Host Disease,Homologous Wasting Disease,Runt Disease,Graft-vs-Host Disease,Disease, Graft-Versus-Host,Disease, Graft-vs-Host,Disease, Homologous Wasting,Disease, Runt,Diseases, Graft-Versus-Host,Diseases, Graft-vs-Host,Graft Versus Host Disease,Graft-Versus-Host Diseases,Graft-vs-Host Diseases
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000945 Antigens, Differentiation, T-Lymphocyte Antigens expressed on the cell membrane of T-lymphocytes during differentiation, activation, and normal and neoplastic transformation. Their phenotypic characterization is important in differential diagnosis and studies of thymic ontogeny and T-cell function. Antigens, Differentiation, T-Cell,Differentiation Antigens, T-Cell,L3T4 Antigens,Leu Antigens, T-Lymphocyte,T-Cell Differentiation Antigens,T-Lymphocyte Differentiation Antigens,T6 Antigens,Antigens, Differentiation, T Lymphocyte,Differentiation Antigens, T Lymphocyte,Antigens, L3T4,Antigens, T-Cell Differentiation,Antigens, T-Lymphocyte Differentiation,Antigens, T-Lymphocyte Leu,Antigens, T6,Differentiation Antigens, T Cell,Differentiation Antigens, T-Lymphocyte,Leu Antigens, T Lymphocyte,T Cell Differentiation Antigens,T Lymphocyte Differentiation Antigens,T-Lymphocyte Leu Antigens
D015496 CD4-Positive T-Lymphocytes A critical subpopulation of T-lymphocytes involved in the induction of most immunological functions. The HIV virus has selective tropism for the T4 cell which expresses the CD4 phenotypic marker, a receptor for HIV. In fact, the key element in the profound immunosuppression seen in HIV infection is the depletion of this subset of T-lymphocytes. T4 Cells,T4 Lymphocytes,CD4-Positive Lymphocytes,CD4 Positive T Lymphocytes,CD4-Positive Lymphocyte,CD4-Positive T-Lymphocyte,Lymphocyte, CD4-Positive,Lymphocytes, CD4-Positive,T-Lymphocyte, CD4-Positive,T-Lymphocytes, CD4-Positive,T4 Cell,T4 Lymphocyte
D016026 Bone Marrow Transplantation The transference of BONE MARROW from one human or animal to another for a variety of purposes including HEMATOPOIETIC STEM CELL TRANSPLANTATION or MESENCHYMAL STEM CELL TRANSPLANTATION. Bone Marrow Cell Transplantation,Grafting, Bone Marrow,Transplantation, Bone Marrow,Transplantation, Bone Marrow Cell,Bone Marrow Grafting

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