Cited by 75Metabolism, Diabetes, and CancerPI3K/AKT/mTOR signaling in cancerHippo pathway signaling and YAP/TAZ

Controlling the master—upstream regulation of the tumor suppressor LKB1

Kullmann, Lars, Krahn, Michael P.·2018·Oncogene

Abstract

The tumor suppressor LKB1 is an essential serine/threonine kinase, which regulates various cellular processes such as cell metabolism, cell proliferation, cell polarity, and cell migration. Germline mutations in the STK11 gene (encoding LKB1) are the cause of the Peutz-Jeghers syndrome, which is characterized by benign polyps in the intestine and a higher risk for the patients to develop intestinal and extraintestinal tumors. Moreover, mutations and misregulation of LKB1 have been reported to occur in most types of tumors and are among the most common aberrations in lung cancer. LKB1 activates several downstream kinases of the AMPK family by direct phosphorylation in the T-loop. In particular the activation of AMPK upon energetic stress has been intensively analyzed in various diseases, including cancer to induce a metabolic switch from anabolism towards catabolism to regulate energy homeostasis and cell survival. In contrast, the regulation of LKB1 itself has long been only poorly understood. Only in the last years, several proteins and posttranslational modifications of LKB1 have been analyzed to control its localization, activity and recognition of substrates. Here, we summarize the current knowledge about the upstream regulation of LKB1, which is important for the understanding of the pathogenesis of many types of tumors.

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Crossref · 10.1038/s41388-018-0145-z

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Authors
Kullmann, L., & Krahn, M. P.
Affiliations
University Hospital Münster (DE)
Corresponding author
Krahn, Michael P.
Venue
Oncogene
Published
2018-03-15
Volume
37
Issue
23
Pages
3045-3057
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2791774324
Cited by
75
References
122
Citations by year
2026: 4 · 2025: 10 · 2024: 7 · 2023: 11 · 2022: 8 · 2021: 13 · 2020: 15 · 2019: 4 · 2018: 3
FWCI
0.86
Type
journal article
Language
en
Open access
closed
Locations
  • Oncogene (publishedVersion)
  • PubMed (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Hippo pathway signaling and YAP/TAZ
Keywords
LKB1, STK11, tumor suppressor, upstream regulation, post-translational modification, AMPK, T-loop phosphorylation, energy homeostasis, metabolic switch, Peutz-Jeghers syndrome, lung cancer, cell polarity, cell migration, cell proliferation
MeSH terms
AMP-Activated Protein Kinase Kinases, Allyl Compounds, Biphenyl Compounds, Calcium-Binding Proteins, Humans, Lung Neoplasms, Lysosomes, Mutation, Peutz-Jeghers Syndrome, Phenols, Phosphorylation, Gene Expression Regulation, Neoplastic, Genes, Tumor Suppressor, Protein Serine-Threonine Kinases, Lignans, Ubiquitination, AMP-Activated Protein Kinases, Sumoylation

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