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Related Experiment Video

Updated: Mar 12, 2026

Quantification of Efferocytosis by Single-cell Fluorescence Microscopy
06:15

Quantification of Efferocytosis by Single-cell Fluorescence Microscopy

Published on: August 18, 2018

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Quantitative Efferocytosis Assays.

Amanda L Evans1, Jack W D Blackburn1, Charles Yin1

  • 1Department of Microbiology and Immunology and the Centre for Human Immunology, The University of Western Ontario, London, ON, N6A 5C1, Canada.

Methods in Molecular Biology (Clifton, N.J.)
|November 6, 2016
PubMed
Summary
This summary is machine-generated.

This study presents microscopy methods to track efferocytosis, the process of clearing dead cells. These techniques help visualize how signaling proteins assemble on efferosomes, crucial for understanding cell removal.

Keywords:
EfferocytosisImmunostainingMacrophageMethodMicroscopyPhagocytosis

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Area of Science:

  • Cell Biology
  • Immunology
  • Biochemistry

Background:

  • Efferocytosis, the clearance of apoptotic cells, is vital for tissue homeostasis.
  • This process involves the dynamic recruitment of regulatory proteins to nascent efferosomes.
  • Understanding these molecular dynamics is crucial for various physiological and pathological conditions.

Purpose of the Study:

  • To develop and validate microscopy-based methods for quantifying efferocytosis.
  • To characterize the spatiotemporal dynamics of signaling molecule recruitment during efferocytosis.
  • To provide versatile tools applicable to diverse efferocytic cell types.

Main Methods:

  • Utilized genetically encoded fluorescent probes for live-cell imaging.
  • Employed immunofluorescent labeling to detect specific signaling proteins.
  • Applied microscopy techniques for enumeration of efferocytic events and protein dynamics on efferosomes.

Main Results:

  • Successfully enumerated efferocytic events in macrophages.
  • Visualized and characterized the dynamic recruitment of signaling molecules to efferosomes.
  • Demonstrated the spatiotemporal patterns of protein assembly during efferocytosis.

Conclusions:

  • The described microscopy methods enable robust quantification and detailed characterization of efferocytosis.
  • These techniques offer valuable insights into the molecular mechanisms governing apoptotic cell clearance.
  • The methods are adaptable for studying efferocytosis in various cell types beyond macrophages.