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Updated: Aug 14, 2026

A Guide to Production, Crystallization, and Structure Determination of Human IKK1/α
Published on: November 2, 2018
The anti-death machinery in IKK/NF-kappaB signaling
Jun-Li Luo1, Hideaki Kamata, Michael Karin
1Laboratory of Gene Regulation and Signal Transduction, School of Medicine, University of California-San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
Abstract:
The most extensively studied function of NF-kappaB is its ability to promote cell survival through induction of target genes, whose products inhibit various aspects of the apoptotic machinery in both normal and malignant cells. Recent studies, however, indicate that NF-kappaB activation can also suppress programmed necrosis through induction of genes encoding anti-oxidant proteins. Since tumor cells often use NF-kappaB pathway as a shield to escape the killing of conventional anti-cancer therapies, intervention of IKK/NF-kappaB signaling would be a promising option to improve the efficacy of cancer treatment.
Insights
Nuclear Factor kappa B (NF-kappaB) promotes cell survival and suppresses programmed necrosis. Targeting the IKK/NF-kappaB pathway could enhance anti-cancer therapy efficacy by overcoming tumor cell resistance.
Area of Science:
- Molecular Biology
- Cell Biology
- Cancer Research
Background:
- Nuclear Factor kappa B (NF-kappaB) is a key transcription factor involved in cell survival.
- NF-kappaB activation typically inhibits apoptosis by upregulating protective genes.
- Emerging evidence shows NF-kappaB also suppresses programmed necrosis via antioxidant gene induction.
Purpose of the Study:
- To explore the dual role of NF-kappaB in cell death pathways.
- To investigate the potential of targeting the IKK/NF-kappaB pathway in cancer therapy.
Main Methods:
- Literature review and analysis of existing studies on NF-kappaB function.
- Examination of NF-kappaB's role in apoptosis and programmed necrosis.
- Evaluation of NF-kappaB pathway as a therapeutic target in oncology.
Main Results:
- NF-kappaB activation promotes cell survival by inhibiting apoptosis.
- NF-kappaB also suppresses programmed necrosis by inducing antioxidant proteins.
- Tumor cells exploit the NF-kappaB pathway to resist conventional therapies.
Conclusions:
- The NF-kappaB pathway plays a complex role in both cell survival and death.
- Targeting the IKK/NF-kappaB signaling pathway presents a promising strategy to enhance cancer treatment efficacy.
- Understanding NF-kappaB's dual function is crucial for developing effective anti-cancer interventions.
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