ArticleNature communications2025
LKB1 regulates JNK-dependent stress signaling and apoptotic dependency of KRAS-mutant lung cancers.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- M1C is a druggable target for NSCLC KRAS G12C mutant tumors resistant to KRAS inhibitors.Oncogene · 2026Article
- Targeting non-small cell lung cancer: Molecular mechanisms and clinical studies (Review).Oncology letters · 2026Review
- M1C IS NECESSARY FOR DARAXONRASIB RESISTANCE OF NSCLC KRAS(G12C) MUTANT CELLS.bioRxiv : the preprint server for biology · 2026Article
- Liver Kinase B1 in CD11cAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Dual inhibition of GTP-bound (ON) and GDP-bound (OFF) KRASbioRxiv : the preprint server for biology · 2026Article
- The roles of IKKα in normal physiology and cancer.Cell communication and signaling : CCS · 2026Review
- Potential Mechanisms of MAP Kinase JNK's Involvement in Modulating Cancer Cell Fate in a Cisplatin Concentration-Dependent Manner.Pharmaceuticals (Basel, Switzerland) · 2026Article
- Precision immune regulation in KRAS-mutated cancers: the final piece of the puzzle?Journal of experimental & clinical cancer research : CR · 2025Review
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Authors and funding
29 authors.
Funding
Abstract
The efficacy of molecularly targeted therapies may be limited by co-occurring mutations within a tumor. Conversely, these alterations may confer collateral vulnerabilities that can be therapeutically leveraged. KRAS-mutant lung cancers are distinguished by recurrent loss of the tumor suppressor STK11/LKB1. Whether LKB1 modulates cellular responses to therapeutic stress seems unknown. Here we show that in LKB1-deficient KRAS-mutant lung cancer cells, inhibition of KRAS or its downstream effector MEK leads to hyperactivation of JNK due to loss of NUAK-mediated PP1B phosphatase activity. JNK-mediated inhibitory phosphorylation of BCL-XL rewires apoptotic dependencies, rendering LKB1-deficient cells vulnerable to MCL-1 inhibition. These results uncover an unknown role for LKB1 in regulating stress signaling and mitochondrial apoptosis independent of its tumor suppressor activity mediated by AMPK and SIK. Additionally, our study reveals a therapy-induced vulnerability in LKB1-deficient KRAS-mutant lung cancers that could be exploited as a genotype-informed strategy to improve the efficacy of KRAS-targeted therapies.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.