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Updated: Aug 10, 2026
Generation of Immature, Mature and Tolerogenic Dendritic Cells with Differing Metabolic Phenotypes
Published on: June 22, 2016
Monocyte-derived dendritic cells represent a transient stage of differentiation in the myeloid lineage
G Häusser1, B Ludewig, H R Gelderblom
1Department of Virology, Institute of Medical Microbiology and Hygiene, Berlin, Germany. Andreas@sun1.uk1.uni-freiburg.de
Abstract:
Cultivation of human peripheral blood monocytes with granulocyte/macrophage colony stimulating factor (GM-CSF) and IL-4 facilitates generation of strongly antigen-presenting dendritic cells (DC). These monocyte-derived DC (mdDC) were used here to further delineate differentiation pathways in the myeloid lineage. Incubation of mdDC with TNF or soluble CD40L led to enhanced MHC and accessory surface antigen expression with significantly elevated T cell stimulatory activity, indicative of DC maturation. In contrast, after cytokine withdrawal or incubation with M-CSF, mdDC differentiated to macrophages. Cells became adherent, monocyte/macrophage surface markers were upregulated, and MHC and accessory surface proteins were downregulated. Furthermore, the multilaminar MHC class II compartments (MIIC) were lost and the T cell stimulating capacity largely diminished. Thus, mdDC show a high developmental plasticity by retaining their ability to become macrophages or to continue their differentiation towards mature DC.
Insights
Monocyte-derived dendritic cells (mdDC) can differentiate into mature dendritic cells (DC) or macrophages. This plasticity highlights their developmental flexibility in the myeloid lineage.
Area of Science:
- Immunology
- Cell Biology
- Myeloid Differentiation
Background:
- Human peripheral blood monocytes can be differentiated into dendritic cells (DC) using granulocyte/macrophage colony-stimulating factor (GM-CSF) and IL-4.
- These monocyte-derived DC (mdDC) serve as a model to study myeloid lineage differentiation pathways.
Purpose of the Study:
- To investigate the differentiation potential of monocyte-derived DC (mdDC).
- To delineate the factors influencing mdDC differentiation towards mature DC or macrophages.
Main Methods:
- Culturing human peripheral blood monocytes with GM-CSF and IL-4 to generate mdDC.
- Treating mdDC with TNF or soluble CD40L to induce maturation.
- Treating mdDC with M-CSF or cytokine withdrawal to induce macrophage differentiation.
Main Results:
- Incubation with TNF or soluble CD40L enhanced MHC and accessory surface antigen expression and T cell stimulatory activity, indicating DC maturation.
- Cytokine withdrawal or M-CSF treatment led to mdDC differentiation into macrophages, characterized by increased adherence, upregulated monocyte/macrophage markers, and downregulated MHC/accessory proteins.
- Loss of multilaminar MHC class II compartments (MIIC) and diminished T cell stimulating capacity were observed during macrophage differentiation.
Conclusions:
- Monocyte-derived DC (mdDC) exhibit significant developmental plasticity.
- mdDC can differentiate into either mature dendritic cells or macrophages based on environmental cues.
- This plasticity is crucial for understanding myeloid lineage development and immune responses.
