Immune reconstitution after autologous hematopoietic transplantation with Lin-, CD34+, Thy-1lo selected or intact stem cell products

Rakesh K Singh, Michelle L. Varney, Cheryl Leutzinger, Julie Marie Vose, Philip Jay Bierman, Suleyman Buyukberber, Kazuhiko Ino, Kevin Loh, Craig Nichols, David Inwards, Robert Rifkin, James E Talmadge

Research output: Contribution to journalArticle

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Abstract

In sequential studies, we compared immune reconstitution following high-dose chemotherapy (HDT) and stem cell transplantation (SCT) using intact mobilized peripheral blood stem cell (PSC) in intermediate grade non-Hodgkin's lymphoma (NHL) patients and CD34+, lineage-negative (Lin-), Thy-1lo (CD34+Lin-Thy-1lo) stem cells in low-grade NHL patients. Cytokine expression and cellular phenotype and function were used as the basis of comparison. Despite differences in cellular composition of the stem cell grafts, immune reconstitution in both groups was similar. Significantly higher levels of type 1- and 2-associated cytokine messenger ribonucleic acid (mRNA) were observed both prior to and following transplant in the peripheral blood (PB) of both cohorts as compared to normal individuals. Similar levels of interleukin (IL)-4, IL-10, interferon-gamma (IFN-γ), and tumor necrosis factor-alpha (TNF-α) messenger ribonucleic acid (mRNA) were seen in PB mononuclear cells following transplant with either product. In contrast, patients receiving isolated CD34+Lin-Thy-1lo cells expressed significantly higher IL-2 levels at all times examined post-transplant. Despite the high levels of cytokine gene expression and rapid restoration to pretransplant levels of CD3 cell number by day 30, T cell function and CD4:CD8 and CD4+CD45RA:CD4+CD45RO+ ratios were significantly depressed in both cohorts compared to normal donors, and significantly lower in patients transplanted with CD34+Lin-Thy-1lo compared to patients receiving an intact PSC product. These data suggest that the peripheral tolerance in patients receiving HDT and an autologous SCT occurs independent of graft composition, although immune function and CD4 recovery are better facilitated by transplantation of an intact product.

Original languageEnglish (US)
Pages (from-to)1033-1043
Number of pages11
JournalInternational Immunopharmacology
Volume7
Issue number8
DOIs
StatePublished - Aug 1 2007

Fingerprint

Autologous Transplantation
Stem Cells
Non-Hodgkin's Lymphoma
Transplants
Stem Cell Transplantation
Cytokines
RNA
Peripheral Tolerance
Drug Therapy
Recovery of Function
Interleukin-4
Interleukin-10
Interferon-gamma
Interleukin-2
Blood Cells
Tumor Necrosis Factor-alpha
Cell Count
Transplantation
Tissue Donors
T-Lymphocytes

Keywords

  • B cell
  • Cytokines
  • Non-Hodgekin's lymphoma
  • T cell

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Pharmacology

Cite this

Immune reconstitution after autologous hematopoietic transplantation with Lin-, CD34+, Thy-1lo selected or intact stem cell products. / Singh, Rakesh K; Varney, Michelle L.; Leutzinger, Cheryl; Vose, Julie Marie; Bierman, Philip Jay; Buyukberber, Suleyman; Ino, Kazuhiko; Loh, Kevin; Nichols, Craig; Inwards, David; Rifkin, Robert; Talmadge, James E.

In: International Immunopharmacology, Vol. 7, No. 8, 01.08.2007, p. 1033-1043.

Research output: Contribution to journalArticle

Singh, Rakesh K ; Varney, Michelle L. ; Leutzinger, Cheryl ; Vose, Julie Marie ; Bierman, Philip Jay ; Buyukberber, Suleyman ; Ino, Kazuhiko ; Loh, Kevin ; Nichols, Craig ; Inwards, David ; Rifkin, Robert ; Talmadge, James E. / Immune reconstitution after autologous hematopoietic transplantation with Lin-, CD34+, Thy-1lo selected or intact stem cell products. In: International Immunopharmacology. 2007 ; Vol. 7, No. 8. pp. 1033-1043.
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AU - Bierman, Philip Jay

AU - Buyukberber, Suleyman

AU - Ino, Kazuhiko

AU - Loh, Kevin

AU - Nichols, Craig

AU - Inwards, David

AU - Rifkin, Robert

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