Mechanisms and physiology of the clearance of dead cells by efferocytosis
By Emilio Boada-Romero, Jennifer Martinez, Bradlee L. Heckmann, Douglas R. Green. Nature reviews. Molecular cell biology, 2020
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Multiple modes of cell death have been identified, each with a unique function and each induced in a setting-dependent manner. As billions of cells die during mammalian embryogenesis and daily in adult organisms, clearing dead cells and associated cellular debris is important in physiology. In this Review, we present an overview of the phagocytosis of dead and dying cells, a process known as efferocytosis. Efferocytosis is performed by macrophages and to a lesser extent by other ‘professional’ phagocytes (such as monocytes and dendritic cells) and ‘non-professional’ phagocytes, such as epithelial cells. Recent discoveries have shed light on this process and how it functions to maintain tissue homeostasis, tissue repair and organismal health. Here, we outline the mechanisms of efferocytosis, from the recognition of dying cells through to phagocytic engulfment and homeostatic resolution, and highlight the pathophysiological consequences that can arise when this process is abrogated. Development and homeostasis are dependent on rapid cell turnover, achieved by the programmed death and subsequent engulfment and breakdown of cells, a process known as efferocytosis. Defects in efferocytosis have been linked to a wide range of diseases; ongoing research therefore aims to better understand efferocytosis processes so as to uncover new therapeutic targets.
Subfields: Immunology, Physiology
View Paper: https://www.semanticscholar.org/paper/e7146448e67497fd9d99a9514bec2bf388eb1ceb
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Citations in the corpus
- Autophagy in inflammation, infection, and immunometabolism (2021, background): “The above processes perform a variety of functions, many with inflammatory outputs (Figure 1B,C): (i) LAP-reliant dying cell elimination by efferocytosis (Boada-Romero et al., 2020) that protects against excess inflammatory cytokine production and autoimmunity such as in systemic lupus erythematosus”