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Transcriptional programming of the dendritic cell network.
Gabrielle T Belz1, Stephen L Nutt
1Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Melbourne, Victoria 3052, Australia. belz@wehi.edu.au; nutt@wehi.edu.au
Nature Reviews. Immunology
|January 26, 2012
Summary
Specialized dendritic cells (DCs) link innate and adaptive immunity. Transcription factors and cytokines coordinate the development of distinct DC subsets from precursor cells.
Area of Science:
- Immunology
- Cell Biology
- Developmental Biology
Background:
- Dendritic cells (DCs) are key immune cells bridging innate and adaptive immunity.
- Distinct DC subsets arise from precursor cells, with specification occurring in bone marrow and differentiation in peripheral tissues.
- Cytokines and transcription factors regulate the genetic programs governing DC development.
Purpose of the Study:
- To review new evidence on the coordination of dendritic cell (DC) precursor specification and commitment.
- To highlight the transcription factors that control the development of distinct DC subsets.
Main Methods:
- Review of recent scientific literature on dendritic cell development.
- Analysis of genetic and cytokine-mediated regulatory mechanisms.
- Identification of key transcription factors involved in DC lineage commitment.
Main Results:
- DC specification initiates in the bone marrow, generating precursors for plasmacytoid and conventional DC pathways.
- Peripheral differentiation and lineage diversification are influenced by local environmental cues.
- A coordinated network of transcription factors and cytokines governs DC subset specification.
Conclusions:
- Understanding the transcription factor ensembles controlling DC development is crucial.
- New insights into DC precursor coordination advance knowledge of immune response initiation.
- This review synthesizes current evidence on the molecular control of dendritic cell subset development.
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