Abstract：
:Hematologic engraftment and immune reconstitution were examined in patients who received cyclophosphamide and total body irradiation therapy followed by infusion of autologous bone marrow purged with anti-B1 monoclonal antibody (MoAb) and complement as therapy for non-Hodgkin's lymphoma. Hematologic engraftment was prompt with return of greater than or equal to 0.5 X 10(3)/microL granulocytes and greater than or equal to 2 X 10(4)/microL platelets at a median of 26 and 29 days posttransplant, respectively. Immunologic reconstitution, in contrast, was prolonged. Normal numbers of circulating B cells were consistently noted by five months posttransplant, whereas return of normal immunoglobulin levels in some patients did not occur for one year. Normal numbers of T cells were evident within the first month posttransplant, but a reversed T4:T8 ratio persisted in some patients up to three years. In vitro responses of either B cells to triggers of activation or of T cells to mitogens and antigens were not normal for at least three months posttransplant. Natural killer (NK) cells predominated early after transplant and may demonstrate cytotoxicity against tumor cells. Our studies demonstrate that transplantation with anti-B1 purged autologous bone marrow results in complete hematologic and delayed immunologic engraftment. No significant acute or chronic clinical toxicities have been observed.
journal_name
Bloodjournal_title
Bloodauthors
Anderson KC,Ritz J,Takvorian T,Coral F,Daley H,Gorgone BC,Freedman AS,Canellos GP,Schlossman SF,Nadler LMsubject
Has Abstractpub_date
1987-02-01 00:00:00pages
597-604issue
2eissn
0006-4971issn
1528-0020journal_volume
69pub_type
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