Functional repertoire of dendritic cells generated in granulocyte macrophage-colony stimulating factor and interferon-α

Silvia Della Bella, Stefania Nicola, Antonio Riva, Mara Biasin, Mario Clerici, Maria Luisa Villa

Research output: Contribution to journalArticle

Abstract

Monocyte-derived dendritic cells (DCs) generated in granulocyte macrophage-colony stimulating factor (GM-CSF) and interleukin-4 (IL-4-DCs) are used to enhance antitumor immunity in cancer patients, although recent evidence suggests that their functional repertoire may be incomplete; in particular, IL-4-DCs appear unable to induce type 2 cytokine-producing T helper (Th) cells. To assess whether type I interferon (IFN) could replace IL-4 and generate DCs with a more complete repertoire, we characterized in detail DCs generated from human monocytes cultured with GM-CSF and IFN-α (IFN-DCs). We found that IFN-α induces DC differentiation more efficiently than IL-4, yielding similar numbers of DCs in a shorter time and that this differentiation persists upon removal of cytokines. Although IFN-DCs had a more mature immunophenotype than IL-4-DCs, showing higher expression of CD80, CD86, and CD83, they still preserved comparable endocytic and phagocytic capacities and responsiveness to maturation stimuli. IFN-DCs had strong antigen-presenting capacity, inducing intense proliferation of T cells to alloantigens or influenza virus. Moreover, IFN-DCs produced lower levels of IL-12p70 and higher levels of IFN-α, IL-4, and IL-10 than IL-4-DCs. As a consequence of this different pattern of cytokine secretion, IFN-DCs induced T cells to produce type 1 (IFN-γ) and type 2 (IL-4 and IL-10) cytokines, and as expected, IL-4-DCs induced only Th1 differentiation. As immune responses with extreme Th1 bias are considered inadequate for the induction of optimal, systemic antitumor immunity, the ability of IFN-DCs to promote more balanced cytokine responses may suggest the advisability to consider these cells in the development of future, DC-based immunotherapy trials.

Original languageEnglish
Pages (from-to)106-116
Number of pages11
JournalJournal of Leukocyte Biology
Volume75
Issue number1
DOIs
Publication statusPublished - Jan 2004

Fingerprint

Granulocyte-Macrophage Colony-Stimulating Factor
Dendritic Cells
Interferons
Interleukin-4
Cytokines
Interferon Type I
Interleukin-10
Monocytes
Immunity
T-Lymphocytes
Isoantigens
Helper-Inducer T-Lymphocytes
Orthomyxoviridae
Immunotherapy
Interferon-gamma

Keywords

  • Antigen presenting cells
  • Cytokines
  • Th1/Th2

ASJC Scopus subject areas

  • Cell Biology

Cite this

Functional repertoire of dendritic cells generated in granulocyte macrophage-colony stimulating factor and interferon-α. / Della Bella, Silvia; Nicola, Stefania; Riva, Antonio; Biasin, Mara; Clerici, Mario; Villa, Maria Luisa.

In: Journal of Leukocyte Biology, Vol. 75, No. 1, 01.2004, p. 106-116.

Research output: Contribution to journalArticle

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