Cited by 154Pancreatic and Hepatic Oncology ResearchCancer-related Molecular PathwaysCancer Genomics and Diagnostics

p53 mutations cooperate with oncogenic Kras to promote adenocarcinoma from pancreatic ductal cells

Bailey, J M, Hendley, A M, Lafaro, K J, Pruski, M A, Jones, N C, Alsina, J, Younes, M, Maitra, A +3 more·2016·Oncogene

Abstract

Pancreatic cancer is one of the most lethal malignancies, with virtually all patients eventually succumbing to their disease. Mutations in p53 have been documented in >50% of pancreatic cancers. Owing to the high incidence of p53 mutations in PanIN 3 lesions and pancreatic tumors, we interrogated the comparative ability of adult pancreatic acinar and ductal cells to respond to oncogenic Kras and mutant Tp53(R172H) using Hnf1b:CreER(T2) and Mist1:CreER(T2) mice. These studies involved co-activation of a membrane-tethered GFP lineage label, allowing for direct visualization and isolation of cells undergoing Kras and mutant p53 activation. Kras activation in Mist1(+) adult acinar cells resulted in brisk PanIN formation, whereas no evidence of pancreatic neoplasia was observed for up to 6 months following Kras activation in Hnf1beta(+) adult ductal cells. In contrast to the lack of response to oncogenic Kras alone, simultaneous activation of Kras and mutant p53 in adult ductal epithelium generated invasive PDAC in 75% of mice as early as 2.5 months after tamoxifen administration. These data demonstrate that pancreatic ductal cells, whereas exhibiting relative resistance to oncogenic Kras alone, can serve as an effective cell of origin for pancreatic ductal adenocarcinoma in the setting of gain-of-function mutations in p53.

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Crossref · 10.1038/onc.2015.441

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  • Deletion of Trp53 in the adult ductal lineage leads to rapid development of invasive carcinoma in mice.

    “the deletion of Trp53 leads to the rapid development of invasive carcinoma125–127.”

    From Pancreatic cancer: Advances and challenges (2023) · cites this paper as [126]

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Authors
Bailey, J. M., Hendley, A. M., Lafaro, K. J., Pruski, M. A., Jones, N. C., Alsina, J., Younes, M., Maitra, A., McAllister, F., Iacobuzio-Donahue, C. A., & Leach, S. D.
Affiliations
  • The University of Texas Health Science Center at Houston (US)
  • Memorial Sloan Kettering Cancer Center (US)
  • Johns Hopkins University (US)
  • The University of Texas MD Anderson Cancer Center (US)
Corresponding author
Bailey, J M
Venue
Oncogene
Published
2015-11-23
Volume
35
Issue
32
Pages
4282-4288
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2341906519
Cited by
154
References
17
Citations by year
2026: 6 · 2025: 13 · 2024: 8 · 2023: 18 · 2022: 19 · 2021: 22 · 2020: 18 · 2019: 16 · 2018: 8 · 2017: 15 · 2016: 10 · 2015: 1
FWCI
4.95
Type
journal article
Language
en
Open access
closed
Locations
  • Oncogene (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Pancreatic Cancer Action Network
  • National Institutes of Health
  • National Institute of General Medical Sciences (T32GM007814)
Topics
  • Health Sciences › Medicine › Oncology › Pancreatic and Hepatic Oncology Research
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
TP53 mutation, pancreatic ductal adenocarcinoma, pancreatic intraepithelial neoplasia, pancreatic acinar cells, pancreatic ductal cells, cell of origin, tumor initiation, HNF1B, Mist1
MeSH terms
Adenocarcinoma, Animals, Humans, Mutation, Pancreatic Neoplasms, Phosphoproteins, Signal Transduction, Tumor Suppressor Protein p53, Proto-Oncogene Proteins p21(ras), Cellular Senescence, Cell Line, Tumor, STAT3 Transcription Factor, Mice, Carcinogenesis

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