Suppression of graft-versus-host disease and amplification of graft- versus-tumor effects by activated natural killer cells after allogeneic bone marrow transplantation

Osamu Asai, Dan L. Longo, Zhi Gang Tian, Ronald L. Hornung, Dennis D. Taub, Francis W. Ruscetti, William J Murphy

Research output: Contribution to journalArticle

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Abstract

Bone marrow transplantation (BMT) is currently used for the treatment of a variety of neoplastic diseases. However, significant obstacles limiting the efficacy of allogeneic BMT are the occurrence of graft-versus-host disease (GvHD) and tumor relapse. Natural killer (NK) cells exert a variety of immunologic and homoeostatic functions. We examined whether adoptive transfer of activated NK cells of donor type would prevent GvHD after allogeneic BMT in mice. Lethally irradiated C57BL/6 (H-2b) mice, were transplanted with MHC incompatible BALB/c (H-2(d)) bone marrow cells and spleen cells and rapidly succumbed to acute GvHD. In contrast, mice that also received activated NK cells of donor type exhibited significant increases in survival. In determining the mechanism by which the NK cells prevented GvHD, mice were concurrently treated with a neutralizing antibodies to the immunosuppressive cytokine TGFβ. Anti-TGFβ completely abrogated the protective effects of the activated donor NK cells indicating that TGFβ plays an important role in the prevention of GvHD by NK cells. We then examined whether activated NK cells of donor type after allogeneic BMT would induce graft-versus-tumor (GvT) effects without GvHD in mice bearing a murine colon adenocarcinoma (MCA-38). 10 d after receiving the tumor, in which the mice had demonstrable lung metastases, recipients received an allogeneic BMT with or without activated NK cells. Administration of activated NK cells resulted in significant GvT effects after allogeneic BMT as evidenced by increases in median survival and fewer lung metastasis. No evidence of GVHD was detected compared with recipients receiving spleen cells alone which also developed fewer lung metastases but in which all had succumbed to GVHD. Thus, our findings suggest that adoptive immunotherapy using activated donor NK cells combined with allogeneic BMT inhibits GvHD and promotes GvT in advanced tumor-bearing mice. These results also suggest that GvT and GvHD can be dissociable phenomena.

Original languageEnglish (US)
Pages (from-to)1835-1842
Number of pages8
JournalJournal of Clinical Investigation
Volume101
Issue number9
StatePublished - May 1 1998
Externally publishedYes

Fingerprint

Homologous Transplantation
Graft vs Host Disease
Bone Marrow Transplantation
Natural Killer Cells
Transplants
Neoplasms
Neoplasm Metastasis
Lung
Spleen
Adoptive Immunotherapy
Adoptive Transfer
Immunosuppressive Agents
Neutralizing Antibodies
Bone Marrow Cells
Colon
Adenocarcinoma
Cytokines
Recurrence

Keywords

  • Bone marrow transplantation
  • Cytokines
  • Graft-versus-host disease
  • Immunotherapy
  • NK cell

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Suppression of graft-versus-host disease and amplification of graft- versus-tumor effects by activated natural killer cells after allogeneic bone marrow transplantation. / Asai, Osamu; Longo, Dan L.; Tian, Zhi Gang; Hornung, Ronald L.; Taub, Dennis D.; Ruscetti, Francis W.; Murphy, William J.

In: Journal of Clinical Investigation, Vol. 101, No. 9, 01.05.1998, p. 1835-1842.

Research output: Contribution to journalArticle

Asai, Osamu ; Longo, Dan L. ; Tian, Zhi Gang ; Hornung, Ronald L. ; Taub, Dennis D. ; Ruscetti, Francis W. ; Murphy, William J. / Suppression of graft-versus-host disease and amplification of graft- versus-tumor effects by activated natural killer cells after allogeneic bone marrow transplantation. In: Journal of Clinical Investigation. 1998 ; Vol. 101, No. 9. pp. 1835-1842.
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