Developmental and Functional Heterogeneity of Monocytes

Martin Guilliams, Alexander Mildner, Simon Yona

Research output: Contribution to journalReview articlepeer-review

Abstract

Novel experimental approaches such as fate-mapping and single-cell analysis have brought fresh insight into monocyte development and function over the past decade and helped redefine the monocyte field. Monocytes are now known to consist of multiple subsets generated through distinct developmental pathways with diverse functional specializations. Their fates under homeostatic conditions include the accumulation in peripheral reservoirs and the engraftment into certain resident macrophage pools. Under pathological conditions, monocytes acquire inflammatory effector functions, but can also develop regulatory properties essential for tissue repair. Importantly, monocytes recruited during inflammation are often functionally distinct from resident macrophages or conventional dendritic cells. Here we outline emerging concepts in monocyte heterogeneity, emergency monopoiesis, and trained immunity and discuss how these bring new perspectives to monocyte research. Mildner, Guilliams, and Yona discuss how the advent of new technologies such as fate-mapping and single-cell analysis have revised our thinking on monocyte origin and function. In this context, they outline emerging concepts in monocyte heterogeneity, emergency monopoiesis, and trained immunity, and discuss new perspectives in monocyte research.

Original languageAmerican English
Pages (from-to)595-613
Number of pages19
JournalImmunity
Volume49
Issue number4
DOIs
StatePublished - 16 Oct 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Infectious Diseases
  • Immunology and Allergy
  • Immunology

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