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Updated: Nov 14, 2025
Isolation and Characterization of Dendritic Cells and Macrophages from the Mouse Intestine
Published on: May 21, 2012
From Species to Regional and Local Specialization of Intestinal Macrophages
Cynthia Arroyo Portilla1,2, Julie Tomas1, Jean-Pierre Gorvel1
1Aix Marseille Univ, CNRS, INSERM, CIML, Marseille, France.
Abstract:
Initially intended for nutrient uptake, phagocytosis represents a central mechanism of debris removal and host defense against invading pathogens through the entire animal kingdom. In vertebrates and also many invertebrates, macrophages (MFs) and MF-like cells (e.g., coelomocytes and hemocytes) are professional phagocytic cells that seed tissues to maintain homeostasis through pathogen killing, efferocytosis and tissue shaping, repair, and remodeling. Some MF functions are common to all species and tissues, whereas others are specific to their homing tissue. Indeed, shaped by their microenvironment, MFs become adapted to perform particular functions, highlighting their great plasticity and giving rise to high population diversity. Interestingly, the gut displays several anatomic and functional compartments with large pools of strikingly diversified MF populations. This review focuses on recent advances on intestinal MFs in several species, which have allowed to infer their specificity and functions.
Insights
Phagocytic cells, like macrophages, are crucial for host defense and tissue maintenance across species. This review explores the diverse functions and specializations of intestinal macrophages in various animals.
Area of Science:
- Immunology
- Cell Biology
- Comparative Biology
Background:
- Phagocytosis is a fundamental biological process for nutrient uptake, pathogen defense, and tissue homeostasis.
- Macrophages (MFs) and similar cells are professional phagocytes found in diverse tissues across the animal kingdom.
- MF functions vary based on their microenvironment, leading to specialized populations and high diversity.
Purpose of the Study:
- To review recent advancements in understanding intestinal macrophages (MFs).
- To explore the specificity and functions of diverse MF populations within the gut.
- To highlight the plasticity and adaptive capabilities of MFs in different species.
Main Methods:
- Literature review of recent research on intestinal MFs.
- Comparative analysis of MF populations across various species.
- Synthesis of data on MF functions within specific gut compartments.
Main Results:
- Intestinal MFs exhibit significant diversity in structure and function.
- MFs are adapted to their specific gut microenvironments, performing specialized roles.
- The gut harbors large, diverse pools of MFs crucial for homeostasis.
Conclusions:
- Intestinal macrophages are highly plastic and specialized cells.
- Understanding MF diversity is key to comprehending gut immunity and tissue dynamics.
- Further research into intestinal MFs can reveal insights into host defense and tissue repair.
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