Recovery of T cell subsets after autologous bone marrow transplantation is mainly due to proliferation of mature T cells in the graft

G C de Gast, L F Verdonck, J M Middeldorp, T H The, A Hekker, J A vd Linden, H A Kreeft, B J Bast

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In 22 patients with malignancies, treated with high-dose chemoradiotherapy and autologous bone marrow transplantation (BMT), peripheral blood T cell subsets and functions were studied. In ten cytomegalovirus (CMV)-negative patients, CD4+ and CD8+ T cells (representing T cells of the helper/inducer phenotype and T cells of the suppressor/cytotoxic phenotype, respectively), recovered slowly and simultaneously. In 12 CMV-positive patients, however, CD8+ T cells recovered more rapidly than CD4+ T cells and rose to increased counts. No T cells with an immature phenotype (CD1+, OKT6+) were observed. Lymphocyte stimulation by herpes simplex virus infected fibroblasts (and by CMV-infected fibroblasts in CMV-positive patients) in contrast remained high and even increased after BMT in both groups. These data indicate that T cell recovery after autologous BMT is mainly due to proliferation of mature T cells present in the BM graft and not to generation of new T cells from T cell precursors.

Original languageEnglish
Pages (from-to)428-31
Number of pages4
Issue number2
Publication statusPublished - Aug 1985


  • Antibodies, Viral
  • Antineoplastic Combined Chemotherapy Protocols
  • Bone Marrow
  • Bone Marrow Transplantation
  • Cell Division
  • Cells, Cultured
  • Cytomegalovirus
  • Cytomegalovirus Infections
  • Follow-Up Studies
  • Humans
  • Journal Article
  • Lymphocyte Activation
  • Neoplasms
  • Research Support, Non-U.S. Gov't
  • Simplexvirus
  • T-Lymphocytes
  • Whole-Body Irradiation

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