Cited by 227Metabolism, Diabetes, and CancerPI3K/AKT/mTOR signaling in cancerCancer, Hypoxia, and Metabolism

An Ancient, Unified Mechanism for Metformin Growth Inhibition in C. Elegans and Cancer

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Wu, Lianfeng, Zhou, Ben, Oshiro-Rapley, Noriko, Li, Man, Paulo, Joao A., Webster, Christopher M., Mou, Fan, Kacergis, Michael C. +5 more·2016·Cell

Abstract

Metformin has utility in cancer prevention and treatment, though the mechanisms for these effects remain elusive. Through genetic screening in C. elegans, we uncover two metformin response elements: the nuclear pore complex (NPC) and acyl-CoA dehydrogenase family member-10 (ACAD10). We demonstrate that biguanides inhibit growth by inhibiting mitochondrial respiratory capacity, which restrains transit of the RagA-RagC GTPase heterodimer through the NPC. Nuclear exclusion renders RagC incapable of gaining the GDP-bound state necessary to stimulate mTORC1. Biguanide-induced inactivation of mTORC1 subsequently inhibits growth through transcriptional induction of ACAD10. This ancient metformin response pathway is conserved from worms to humans. Both restricted nuclear pore transit and upregulation of ACAD10 are required for biguanides to reduce viability in melanoma and pancreatic cancer cells, and to extend C. elegans lifespan. This pathway provides a unified mechanism by which metformin kills cancer cells and extends lifespan, and illuminates potential cancer targets. PAPERCLIP.

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Crossref · 10.1016/j.cell.2016.11.055

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Authors
Wu, L., Zhou, B., Oshiro-Rapley, N., Li, M., Paulo, J. A., Webster, C. M., Mou, F., Kacergis, M. C., Talkowski, M. E., Carr, C. E., Gygi, S. P., Zheng, B., & Soukas, A. A.
Affiliations
  • Broad Institute (US)
  • Massachusetts General Hospital (US)
  • Harvard University (US)
Corresponding author
Soukas, Alexander A.
Venue
Cell
Publisher
Elsevier BV
Published
2016-12
Volume
167
Issue
7
Pages
1705-1718.e13
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2564326418
Cited by
227
References
48
Citations by year
2026: 13 · 2025: 18 · 2024: 26 · 2023: 17 · 2022: 19 · 2021: 22 · 2020: 26 · 2019: 24 · 2018: 35 · 2017: 26 · 2016: 1
FWCI
14.90
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (P40 OD010440, R03DK098436, K08DK087941, R01DK072041, R01CA166717)
  • Broad Institute SPARC Grant
  • NORC of Harvard (P30DK040561)
  • Boston Area DERC (P30DK057521)
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 › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
metformin, biguanides, growth inhibition, nuclear pore complex, acyl-CoA dehydrogenase, mTORC1, mitochondrial respiration, nuclear exclusion, melanoma, pancreatic cancer, lifespan extension, cancer therapy, Caenorhabditis elegans
MeSH terms
Mechanistic Target of Rapamycin Complex 1, Aging, Animals, DNA-Binding Proteins, Humans, Longevity, Metformin, Mitochondria, Neoplasms, Oxidative Phosphorylation, Transcription Factors, Signal Transduction, Caenorhabditis elegans, Monomeric GTP-Binding Proteins, Nuclear Pore, Caenorhabditis elegans Proteins, Acyl-CoA Dehydrogenase, Cell Line, Tumor, Multiprotein Complexes, Body Size, TOR Serine-Threonine Kinases

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