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Updated: Jan 10, 2026

Characterization of MLKL-mediated Plasma Membrane Rupture in Necroptosis
Published on: August 7, 2018
Trigger Points of Necroptosis (RIPK1, RIPK3, and MLKL)-Promising Horizon or Blind Alley in Therapy of Colorectal
Marcin Sokołowski1, Aleksandra Butrym1,2,3
1Dr Alfred Sokołowski Specialist Hospital in Walbrzych, 58-309 Walbrzych, Poland.
Abstract:
Colorectal cancer (CRC) remains one of the leading causes of cancer-related mortality worldwide, due to the limited efficacy of current therapeutic strategies in advanced stages. Necroptosis, a regulated form of necrotic cell death mediated by receptor-interacting protein kinases RIPK1 and RIPK3, and the pseudokinase MLKL, has emerged as a potential alternative pathway to induce cancer cell death. Recent studies suggest that modulation of necroptosis may enhance antitumor immunity, overcome therapeutic resistance, and improve clinical outcomes in CRC. In this review, we systematically analyzed the current literature on the role of necroptosis in CRC, focusing on molecular mechanisms, experimental models, and therapeutic implications. By critically evaluating the available evidence, we aimed to determine whether targeting RIPK1, RIPK3, and MLKL, or other novel agents, represents a promising horizon or a blind alley in the development of novel CRC therapies.
Insights
Necroptosis, a regulated cell death pathway, shows promise for treating colorectal cancer (CRC). Targeting key proteins like RIPK1, RIPK3, and MLKL could improve outcomes and overcome resistance in advanced CRC.
Area of Science:
- Oncology
- Cell Death Biology
Background:
- Colorectal cancer (CRC) presents significant mortality due to limited advanced-stage treatment efficacy.
- Necroptosis, a regulated necrotic cell death pathway involving RIPK1, RIPK3, and MLKL, offers a potential alternative for cancer cell death induction.
Purpose of the Study:
- To systematically review the literature on necroptosis's role in colorectal cancer.
- To analyze molecular mechanisms, experimental models, and therapeutic implications of targeting necroptosis in CRC.
- To evaluate the potential of targeting RIPK1, RIPK3, and MLKL as a viable therapeutic strategy for CRC.
Main Methods:
- Systematic literature review of studies on necroptosis in colorectal cancer.
- Critical evaluation of experimental models and molecular mechanisms.
- Analysis of therapeutic implications and clinical outcomes.
Main Results:
- Necroptosis modulation may enhance antitumor immunity and overcome therapeutic resistance in CRC.
- Targeting RIPK1, RIPK3, and MLKL is under investigation for its efficacy in preclinical and clinical settings.
- Evidence suggests necroptosis plays a complex role in CRC progression and treatment response.
Conclusions:
- Targeting necroptosis represents a potential therapeutic avenue for colorectal cancer.
- Further research is needed to determine if targeting RIPK1, RIPK3, and MLKL is a promising strategy or a dead end for CRC therapy.
- Modulating necroptosis could offer new hope for improving survival rates in advanced CRC patients.
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