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Spatiotemporal Adaptations of Macrophage and Dendritic Cell Development and Function.
Roquilly, Antoine; Mintern, Justine D; Villadangos, Jose A.
  • Roquilly A; Center for Research in Transplantation and Translational Immunology, INSERM, UMR 1064, CHU Nantes, University of Nantes, Nantes, France.
  • Mintern JD; Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia.
  • Villadangos JA; Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia.
Annu Rev Immunol ; 40: 525-557, 2022 04 26.
Article in English | MEDLINE | ID: covidwho-1813277
ABSTRACT
Macrophages and conventional dendritic cells (cDCs) are distributed throughout the body, maintaining tissue homeostasis and tolerance to self and orchestrating innate and adaptive immunity against infection and cancer. As they complement each other, it is important to understand how they cooperate and the mechanisms that integrate their functions. Both are exposed to commensal microbes, pathogens, and other environmental challenges that differ widely among anatomical locations and over time. To adjust to these varying conditions, macrophages and cDCs acquire spatiotemporal adaptations (STAs) at different stages of their life cycle that determine how they respond to infection. The STAs acquired in response to previous infections can result in increased responsiveness to infection, termed training, or in reduced responses, termed paralysis, which in extreme cases can cause immunosuppression. Understanding the developmental stage and location where macrophages and cDCs acquire their STAs, and the molecular and cellular players involved in their induction, may afford opportunities to harness their beneficial outcomes and avoid or reverse their deleterious effects. Here we review our current understanding of macrophage and cDC development, life cycle, function, and STA acquisition before, during, and after infection.We propose a unified framework to explain how these two cell types adjust their activities to changing conditions over space and time to coordinate their immunosurveillance functions.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Dendritic Cells / Adaptive Immunity Type of study: Experimental Studies Limits: Animals / Humans Language: English Journal: Annu Rev Immunol Year: 2022 Document Type: Article Affiliation country: Annurev-immunol-101320-031931

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Dendritic Cells / Adaptive Immunity Type of study: Experimental Studies Limits: Animals / Humans Language: English Journal: Annu Rev Immunol Year: 2022 Document Type: Article Affiliation country: Annurev-immunol-101320-031931