Cited by 64PI3K/AKT/mTOR signaling in cancerTelomeres, Telomerase, and SenescenceLymphoma Diagnosis and Treatment

The mTORC1 Inhibitor Everolimus Prevents and Treats Eμ- Myc Lymphoma by Restoring Oncogene-Induced Senescence

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Wall, Meaghan, Poortinga, Gretchen, Stanley, Kym L., Lindemann, Ralph K., Bots, Michael, Chan, Christopher J., Bywater, Megan J., Kinross, Kathryn M. +10 more·2013·Cancer Discovery

Published version of a preprint

Abstract

MYC deregulation is common in human cancer. IG-MYC translocations that are modeled in Eμ-Myc mice occur in almost all cases of Burkitt lymphoma as well as in other B-cell lymphoproliferative disorders. Deregulated expression of MYC results in increased mTOR complex 1 (mTORC1) signaling. As tumors with mTORC1 activation are sensitive to mTORC1 inhibition, we used everolimus, a potent and specific mTORC1 inhibitor, to test the requirement for mTORC1 in the initiation and maintenance of Eμ-Myc lymphoma. Everolimus selectively cleared premalignant B cells from the bone marrow and spleen, restored a normal pattern of B-cell differentiation, and strongly protected against lymphoma development. Established Eμ-Myc lymphoma also regressed after everolimus therapy. Therapeutic response correlated with a cellular senescence phenotype and induction of p53 activity. Therefore, mTORC1-dependent evasion of senescence is critical for cellular transformation and tumor maintenance by MYC in B lymphocytes. Significance: This work provides novel insights into the requirements for MYC-induced oncogenesis by showing that mTORC1 activity is necessary to bypass senescence during transformation of B lymphocytes. Furthermore, tumor eradication through senescence elicited by targeted inhibition of mTORC1 identifies a previously uncharacterized mechanism responsible for significant anticancer activity of rapamycin analogues and serves as proof-of-concept that senescence can be harnessed for therapeutic benefit. Cancer Discov; 3(1); 82–95. ©2012 AACR. This article is highlighted in the In This Issue feature, p. 1

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  • mTOR inhibitors (rapalogs) might induce or prevent senescence in a context-dependent manner.

    “These findings suggest that mTOR inhibitors, commonly referred to as rapalogs, might induce or prevent senescence in a context- dependent manner 45,48,49 .”

    From Senescence and cancer — role and therapeutic opportunities (2022) · cites this paper as [48]

    The Results section ('Everolimus induces cellular senescence'; page unavailable) reports senescence after treatment with the mTORC1 inhibitor everolimus, and the Discussion says rapamycin rescued RAS-induced senescence. The paper does not report rapalogs preventing senescence in another context: it distinguishes inhibition of senescence by PI3K/AKT/mTOR signaling from inhibition of that signaling by a drug. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • In Eμ-Myc mice, the mTOR inhibitor everolimus causes lymphoma regression.

    “| mTOR inhibitor | Eμ-Myc | | | | Everolimus | Lymphoma regression | 160 |”

    From Inside and out: the activities of senescence in cancer (2014) · cites this paper as [160]

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Research works printed but not linked: 1

  1. [34]Kuilman T Michaloglou C Mooi WJ Peeper DS The essence of senescence Genes Dev 2010 24 2463 79 21078816 PMC2975923

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Authors
Wall, M., Poortinga, G., Stanley, K. L., Lindemann, R. K., Bots, M., Chan, C. J., Bywater, M. J., Kinross, K. M., Astle, M. V., Waldeck, K., Hannan, K. M., Shortt, J., Smyth, M. J., Lowe, S. W., Hannan, R. D., Pearson, R. B., Johnstone, R. W., & McArthur, G. A.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Merck KGaA, Darmstadt (Germany) (DE)
Venue
Cancer Discovery
Published
2013-01-01
Volume
3
Issue
1
Pages
82-95
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W2084839831
Cited by
64
References
57
Citations by year
2026: 3 · 2025: 2 · 2023: 2 · 2022: 5 · 2021: 1 · 2020: 2 · 2019: 6 · 2018: 7 · 2017: 2 · 2016: 9 · 2015: 7 · 2014: 10 · 2013: 8
FWCI
3.21
Type
journal article
Language
en
Open access
Locations
  • Cancer Discovery (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Minerva Access (University of Melbourne) (submittedVersion)
  • ANU Open Research (Australian National University) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Cancer Institute (P01CA087497, P30CA008748)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Lymphoma Diagnosis and Treatment
Keywords
everolimus, mTORC1 inhibition, Eμ-Myc lymphoma, MYC deregulation, oncogene-induced senescence, senescence evasion, B-cell lymphoma, Burkitt lymphoma, p53 activation, rapamycin analogs, tumor regression
MeSH terms
Everolimus, Mechanistic Target of Rapamycin Complex 1, Animals, Antineoplastic Agents, B-Lymphocytes, Cell Differentiation, Lymphoma, Male, Mice, Transgenic, Proteins, Proto-Oncogene Proteins c-myc, Cellular Senescence, Sirolimus, Multiprotein Complexes, Mice, TOR Serine-Threonine Kinases

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