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Related Experiment Videos

Death begets a new beginning.

Lidia Bosurgi1,2, Lindsey D Hughes3, Carla V Rothlin3,4

  • 1I. Medizinische Klinik und Poliklinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.

Immunological Reviews
|October 14, 2017
PubMed
Summary
This summary is machine-generated.

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Billions of cells undergo programmed cell death daily and are cleared by phagocytes. This process is crucial for tissue repair and remodeling following injury or infection.

Area of Science:

  • Cell Biology
  • Immunology
  • Tissue Homeostasis

Background:

  • Cell death is a continuous process in tissues, essential for maintaining homeostasis.
  • Apoptotic cell death can be triggered by various factors including infection, inflammation, and injury.
  • Phagocytosis of dead cells is a critical mechanism for tissue repair and remodeling.

Purpose of the Study:

  • To review the mechanisms by which phagocytes detect and engulf apoptotic cells.
  • To discuss how phagocytosis integrates with environmental signals to elicit specific cellular responses.
  • To highlight the role of phagocytosis in tissue repair and remodeling.

Main Methods:

  • Literature review of cellular and molecular mechanisms.
  • Analysis of signaling pathways involved in apoptotic cell recognition.
Keywords:
apoptosishomeostatic clearanceinflammationmacrophagesphagocytosistissue repair

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  • Examination of the interplay between phagocytes and the tissue microenvironment.

    • Main Results:

    • Phagocytes employ specific receptors to identify and internalize apoptotic cells.
    • Phagocytosis of apoptotic cells can induce the release of growth factors and anti-inflammatory signals.
    • The integration of environmental cues modulates phagocytic responses for effective tissue repair.

    Conclusions:

    • Efficient clearance of apoptotic cells by phagocytes is vital for tissue health.
    • Phagocytosis of apoptotic cells plays a multifaceted role beyond simple debris removal.
    • Understanding these mechanisms can inform therapeutic strategies for tissue regeneration and inflammatory diseases.