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Related Experiment Video

Updated: Mar 23, 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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Necrosome core machinery: MLKL.

Jing Zhang1, Yu Yang1, Wenyan He1

  • 1State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yue Yang Rd, Shanghai, 200031, China.

Cellular and Molecular Life Sciences : CMLS
|April 7, 2016
PubMed
Summary
This summary is machine-generated.

Regulated necrosis, specifically necroptosis, is a key cell death pathway. The protein MLKL is crucial for necroptosis execution, forming pores that lead to cell death.

Keywords:
MLKLNecroptosisNecrosomePore-forming proteinRegulated cell death

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Live-cell Imaging of Lysosomal Membrane Permeabilization During Necroptosis
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Live-cell Imaging of Lysosomal Membrane Permeabilization During Necroptosis

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Immunology

Background:

  • Regulated cell death is a critical biological process.
  • Necroptosis, a form of regulated necrosis, is an emerging area of research.
  • Anti-caspase mechanisms can induce necroptosis instead of apoptosis.

Purpose of the Study:

  • To review the signaling pathways of necroptosis.
  • To highlight the central role of MLKL in necroptosis execution.
  • To explain the mechanism of MLKL-mediated membrane disruption.

Main Methods:

  • Review of existing literature on necroptosis signaling.
  • Analysis of experimental data using chemical tools and biomarkers.
  • Focus on the function of MLKL in the necrosome complex.

Main Results:

  • Activation of RIP1 and RIP3 kinases initiates necroptosis.
  • MLKL is essential for RIP1/RIP3 kinase-mediated necroptosis.
  • Activated MLKL forms pores that cause membrane leakage, leading to cell death.

Conclusions:

  • MLKL is a core component of the necroptosis machinery.
  • MLKL's pore-forming activity explains the "membrane-explosive" nature of necroptosis.
  • Understanding MLKL's role provides insight into this unique cell death pathway.