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Related Concept Videos

Phagocytosis00:41

Phagocytosis

Cells pull particles inward and engulf them in spherical vesicles in an energy-requiring process called endocytosis. Phagocytosis (“cellular eating”) is one of three major types of endocytosis. Cells use phagocytosis to take in large objects—such as other cells (or their debris), bacteria, and even viruses.The objective of phagocytosis is often destruction. Cells use phagocytosis to eliminate unwelcome visitors, like pathogens (e.g., viruses and bacteria). It is perhaps unsurprising, that many...
Phagocytosis00:41

Phagocytosis

Cells pull particles inward and engulf them in spherical vesicles in an energy-requiring process called endocytosis. Phagocytosis ("cellular eating") is one of three major types of endocytosis. Cells use phagocytosis to take in large objects, such as other cells (or their debris), bacteria, and even viruses.
The objective of phagocytosis is often destruction. Cells use phagocytosis to eliminate unwelcome visitors, like pathogens (e.g., viruses and bacteria). Many immune system cells, including...
Autophagy01:27

Autophagy

Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
Phagocytosis of Apoptotic Cells01:17

Phagocytosis of Apoptotic Cells

Cells undergoing apoptosis form apoptotic bodies that must be removed immediately to prevent inflammation, autoimmune diseases, and necrosis. Phagocytosis is carried out by professional phagocytes such as macrophages or  immature dendritic cells. Non-professional phagocytes such as  epithelial cells and fibroblasts also take part in this process; however, they are not as effective as professional phagocytes. 
Normal cells contain receptors that prevent them from being recognized by phagocytes.
Cells of the Innate Immune Response01:28

Cells of the Innate Immune Response

The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
Immune Surveillance by NK Cells and Phagocytes01:25

Immune Surveillance by NK Cells and Phagocytes

Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...

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Updated: Jun 16, 2026

High Throughput Fluorometric Technique for Assessment of Macrophage Phagocytosis and Actin Polymerization
09:22

High Throughput Fluorometric Technique for Assessment of Macrophage Phagocytosis and Actin Polymerization

Published on: November 27, 2014

Bon appétit, your phagocyte.

Dilara C Ozkocak1,2, Jascinta P Santavanond3, Maria C Tanzer4,5

  • 1Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia. ozkocak.d@wehi.edu.au.

Cell Death Discovery
|April 14, 2026
PubMed
Summary
This summary is machine-generated.

Apoptotic cells prepare for clearance through a

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Visualizing the Early Stages of Phagocytosis
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Visualizing the Early Stages of Phagocytosis

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Exploring the Sequential Cellular Events of Phagocytosis Triggered by Godanti Bhasma in Mammalian Cells
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Exploring the Sequential Cellular Events of Phagocytosis Triggered by Godanti Bhasma in Mammalian Cells

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Last Updated: Jun 16, 2026

High Throughput Fluorometric Technique for Assessment of Macrophage Phagocytosis and Actin Polymerization
09:22

High Throughput Fluorometric Technique for Assessment of Macrophage Phagocytosis and Actin Polymerization

Published on: November 27, 2014

Visualizing the Early Stages of Phagocytosis
08:04

Visualizing the Early Stages of Phagocytosis

Published on: February 3, 2017

Exploring the Sequential Cellular Events of Phagocytosis Triggered by Godanti Bhasma in Mammalian Cells
10:10

Exploring the Sequential Cellular Events of Phagocytosis Triggered by Godanti Bhasma in Mammalian Cells

Published on: July 11, 2025

Area of Science:

  • Cell Biology
  • Immunology
  • Physiology

Background:

  • Billions of cells undergo apoptosis daily for tissue turnover.
  • Efficient clearance of apoptotic cells by phagocytes is crucial for preventing inflammation and maintaining tissue homeostasis.
  • Failure in apoptotic cell clearance is linked to autoimmune and chronic diseases.

Purpose of the Study:

  • To explore the intricate process of apoptotic cell preparation for phagocytosis.
  • To reframe the understanding of cell death through the lens of 'meal preparation' for clearance.
  • To identify potential therapeutic targets by understanding how apoptotic cells signal for removal.

Main Methods:

  • This perspective piece synthesizes existing research on apoptotic cell modifications.
  • It employs an analogy of culinary preparation to describe cellular processes.
  • Focuses on the signaling mechanisms and membrane dynamics during apoptosis.

Main Results:

  • Apoptotic cells undergo coordinated modifications, akin to 'meal preparation', for efficient phagocytosis.
  • These modifications include secreting immunomodulatory factors, internal organelle partitioning, and exposing 'eat-me' signals.
  • Maintaining membrane integrity acts as a 'protective wrapping', preventing inflammatory leakage.

Conclusions:

  • Understanding apoptotic cell 'cooking' reframes cell death and highlights its role in tissue health.
  • Aberrant clearance processes in disease can potentially be corrected by modulating these preparation steps.
  • This perspective offers new avenues for therapeutic intervention in conditions associated with failed apoptotic cell clearance.