Sensitivity of Ph1+ CFU-GM to human recombinant interferon α and γ alone and in combination

G. Visani, D. Russo, D. Damiani, S. Rizzi, M. R. Motta, R. M. Lemoli, C. Poluzzi, R. Fanin, E. Zuffa, P. Tosi, M. Baccarani, S. Tura

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Abstract

The in vitro effect of human recombinant interferon α (IFN) alone and in combination were studied on granulomonocytic colony forming units (CFU-GM) from the peripheral blood of 10 Ph1+ chronic myeloid leukemia (CML) patients and from the marrow of 5 normal or non-leukemic subjects. α- and γ-IFN alone determined a slight inhibition on colony growth with a preferential effect on "pure" macrophagic colonies. At maximum concentration (104 U/ml) leukemic colony inhibition was 46±34% for αIFN and 43±19% for γIFN. Culture growth with α + γIFN in combination were significantly inhibited (up to 96±4%) with a concentration-related effect. Similar results were obtained with normal CFU-GM. The synergism that was found in vitro is probably relevant for the in vivo therapeutic effects of these compounds in CML and suggest that the combination is worth testing in vivo.

Original languageEnglish
Pages (from-to)41-44
Number of pages4
JournalBlut
Volume57
Issue number1
DOIs
Publication statusPublished - Jul 1988

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Granulocyte-Macrophage Progenitor Cells
Interferons
Leukemia, Myelogenous, Chronic, BCR-ABL Positive
Therapeutic Uses
Growth
Stem Cells
Bone Marrow

Keywords

  • CFU-GM
  • CML
  • Hemopoietic progenitors
  • Interferons

ASJC Scopus subject areas

  • Hematology

Cite this

Visani, G., Russo, D., Damiani, D., Rizzi, S., Motta, M. R., Lemoli, R. M., ... Tura, S. (1988). Sensitivity of Ph1+ CFU-GM to human recombinant interferon α and γ alone and in combination. Blut, 57(1), 41-44. https://doi.org/10.1007/BF00320633

Sensitivity of Ph1+ CFU-GM to human recombinant interferon α and γ alone and in combination. / Visani, G.; Russo, D.; Damiani, D.; Rizzi, S.; Motta, M. R.; Lemoli, R. M.; Poluzzi, C.; Fanin, R.; Zuffa, E.; Tosi, P.; Baccarani, M.; Tura, S.

In: Blut, Vol. 57, No. 1, 07.1988, p. 41-44.

Research output: Contribution to journalArticle

Visani, G, Russo, D, Damiani, D, Rizzi, S, Motta, MR, Lemoli, RM, Poluzzi, C, Fanin, R, Zuffa, E, Tosi, P, Baccarani, M & Tura, S 1988, 'Sensitivity of Ph1+ CFU-GM to human recombinant interferon α and γ alone and in combination', Blut, vol. 57, no. 1, pp. 41-44. https://doi.org/10.1007/BF00320633
Visani, G. ; Russo, D. ; Damiani, D. ; Rizzi, S. ; Motta, M. R. ; Lemoli, R. M. ; Poluzzi, C. ; Fanin, R. ; Zuffa, E. ; Tosi, P. ; Baccarani, M. ; Tura, S. / Sensitivity of Ph1+ CFU-GM to human recombinant interferon α and γ alone and in combination. In: Blut. 1988 ; Vol. 57, No. 1. pp. 41-44.
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