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Related Concept Videos

Necrosis01:16

Necrosis

5.2K
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
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Overview of Cell Death01:30

Overview of Cell Death

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Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
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Cellular Injury IV: Necrosis01:16

Cellular Injury IV: Necrosis

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Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
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Apoptosis01:30

Apoptosis

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Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size...
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Autophagic Cell Death01:18

Autophagic Cell Death

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Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
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Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
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Phagocytosis of Apoptotic Cells01:17

Phagocytosis of Apoptotic Cells

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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...
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Related Experiment Video

Updated: Apr 26, 2026

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis
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Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis

Published on: August 7, 2018

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SnapShot: Necroptosis.

Wen Zhou1, Junying Yuan1

  • 1Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.

Cell
|July 19, 2014
PubMed
Summary

Necroptosis, a form of regulated necrosis involving RIPK1 and RIPK3, plays a role in inflammation and cell death. Inhibiting this pathway shows promise for treating various diseases.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Immunology

Background:

  • Necroptosis is a regulated form of necrosis.
  • It is distinct from apoptosis and involves specific signaling pathways.
  • Key mediators include RIPK1 and RIPK3 kinases.

Purpose of the Study:

  • To elucidate the signaling pathway of necroptosis.
  • To explore the therapeutic potential of inhibiting necroptosis.

Main Methods:

  • Investigated the roles of RIPK1 and RIPK3 in necroptosis.
  • Analyzed necrosome formation and MLKL activation.
  • Evaluated necroptosis inhibition in mouse models of disease.

Main Results:

  • Necroptosis is mediated by RIPK1 and RIPK3 kinase activity.

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Live-cell Imaging of Lysosomal Membrane Permeabilization During Necroptosis

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Author Spotlight: THP-1 Macrophage Response to LPS/ATP &#8212; Unveiling the Pyroptosis, Apoptosis, and Necroptosis Spectrum
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Author Spotlight: THP-1 Macrophage Response to LPS/ATP &#8212; Unveiling the Pyroptosis, Apoptosis, and Necroptosis Spectrum
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  • The pathway involves necrosome formation and MLKL activation.
  • Inhibition of necroptosis reduced pathology in mouse models.

    • Conclusions:

    • Necroptosis is a crucial regulated cell death pathway.
    • Targeting necroptosis offers potential therapeutic strategies for diseases involving inflammation and cell death.