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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1988-11-15
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pubmed:abstractText |
Prevention of acute graft-versus-host disease (GVHD) after allogeneic bone marrow transplantation, requires the depletion of mature T-lymphocytes from bone marrow grafts. The optimal degree of T-cell reduction is still an open question. We compared two procedures of T-cell separation in 18 consecutive recipients of genotypically HLA-matched bone marrow, who also received cyclosporin A for 6 months. The first method (A) was based on a discontinuous albumin gradient fractionation and resulted in an average T-lymphocyte content of 50 X 10(5)/kg body weight (n = 9 patients); the second method (B) was based on E-rosette sedimentation and reduced the contamination to 15 X 10(4) grafted T-lymphocytes/kg body weight on the average (n = 9 patients). Thus, approximately 90 and 99% of the original T-lymphocytes were removed from the marrow grafts respectively. Of the seven patients of the first group who were at risk of GVHD (excluding two cases of early death), five developed a minimal-to-moderately severe acute GVHD and in two cases chronic GVHD ensued. Lethal GVHD was not seen. Of group B, all recipients engrafted and none developed GVHD (0/9). The difference in the frequency of GVHD between the two groups was highly significant (P less than 0.0025). These data confirm our preclinical studies. They demonstrate that a one-log T-lymphocyte reduction of the marrow inoculum, when combined with cyclosporin A prophylaxis after major histocompatibility complex (MHC)-matched transplantation, is still associated with a considerable incidence of GVHD, whereas a two-log reduction of T-lymphocytes may provide full protection against acute GVHD.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Dec
|
pubmed:issn |
0268-3369
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pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
1
|
pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
133-40
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3332128-Adolescent,
pubmed-meshheading:3332128-Adult,
pubmed-meshheading:3332128-Bone Marrow Transplantation,
pubmed-meshheading:3332128-Graft vs Host Disease,
pubmed-meshheading:3332128-HLA Antigens,
pubmed-meshheading:3332128-Humans,
pubmed-meshheading:3332128-Leukocyte Count,
pubmed-meshheading:3332128-Lymphocyte Depletion,
pubmed-meshheading:3332128-Prognosis,
pubmed-meshheading:3332128-Tissue Donors,
pubmed-meshheading:3332128-Tissue and Organ Procurement,
pubmed-meshheading:3332128-Transplantation, Homologous
|
pubmed:year |
1986
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pubmed:articleTitle |
Graft-versus-host disease following transplantation of 'one log' versus 'two log' T-lymphocyte-depleted bone marrow from HLA-identical donors.
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pubmed:affiliation |
Dr. Daniel den Hoed Cancer Center, Rotterdam, The Netherlands.
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pubmed:publicationType |
Journal Article,
Clinical Trial,
Comparative Study,
Controlled Clinical Trial
|