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Related Experiment Video

Updated: Jun 12, 2026

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis
08:55

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis

Published on: August 7, 2018

Mechanistic analysis of MLKL-driven cell survival.

Peijia Jiang1, Xiaoyang Liu2, Mauricio J Reginato3

  • 1Departments of Pediatrics & Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS, Canada.

Cell Death Discovery
|June 10, 2026
PubMed
Summary

The mixed lineage kinase domain-like protein (MLKL) executes necroptosis but also promotes cancer cell survival. Targeting MLKL could be a viable strategy to inhibit tumor growth by blocking these pro-survival effects.

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Area of Science:

  • Cell Biology
  • Molecular Oncology
  • Immunology

Background:

  • The mixed lineage kinase domain-like protein (MLKL) is a key mediator of programmed necrosis (necroptosis) by forming pores in cell membranes.
  • Emerging evidence suggests MLKL possesses pro-survival functions in cancer cells, counteracting various cell death pathways.

Purpose of the Study:

  • This review focuses on elucidating the multifaceted mechanisms through which MLKL promotes cancer cell survival.
  • To explore the therapeutic potential of targeting MLKL's pro-survival roles in cancer treatment.

Main Methods:

  • The review synthesizes findings from preclinical studies investigating MLKL's role in cancer.
  • Analysis of data on MLKL's interactions with autophagy, mitochondrial function, and cell death signaling pathways.
  • Examination of in vivo studies involving MLKL inhibition in tumor models.

Main Results:

  • MLKL protects cancer cells from death stimuli by enhancing autophagy and maintaining mitochondrial integrity.
  • MLKL's pro-survival actions may prevent parthanatos, a cell death pathway involving PARP1.
  • MLKL also confers resistance to death receptor-mediated apoptosis and promotes secretion of tumor-promoting cytokines.

Conclusions:

  • MLKL exhibits dual roles in necroptosis execution and cancer cell survival.
  • Targeting MLKL presents a promising therapeutic strategy for various cancer types, as MLKL inhibition has shown efficacy in preclinical models.
  • Pharmacological inhibition of MLKL is a feasible in vivo approach with minimal toxicity observed in mice.