Cited by 60Lymphatic System and DiseasesAngiogenesis and VEGF in CancerCancer Cells and Metastasis

Inhibition of c-Met Reduces Lymphatic Metastasis in RIP-Tag2 Transgenic Mice

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Sennino, Barbara, Ishiguro-Oonuma, Toshina, Schriver, Brian J., Christensen, James G., McDonald, Donald M.·2013·Cancer Research

Published version of a preprint

Abstract

Inhibition of VEGF signaling can promote lymph node metastasis in preclinical models, but the mechanism is not fully understood, and successful methods of prevention have not been found. Signaling of hepatocyte growth factor (HGF) and its receptor c-Met can promote the growth of lymphatics and metastasis of some tumors. We sought to explore the contributions of c-Met signaling to lymph node metastasis after inhibition of VEGF signaling. In particular, we examined whether c-Met is upregulated in lymphatics in or near pancreatic neuroendocrine tumors in RIP-Tag2 transgenic mice and whether lymph node metastasis can be reduced by concurrent inhibition of VEGF and c-Met signaling. Inhibition of VEGF signaling by anti-VEGF antibody or sunitinib in mice from the age of 14 to 17 weeks was accompanied by more intratumoral lymphatics, more tumor cells inside lymphatics, and more lymph node metastases. Under these conditions, lymphatic endothelial cells, like tumor cells, had strong immunoreactivity for c-Met and phospho-c-Met. c-Met blockade by the selective inhibitor, PF-04217903, significantly reduced metastasis to local lymph nodes. Together, these results indicate that inhibition of VEGF signaling in RIP-Tag2 mice upregulates c-Met expression in lymphatic endothelial cells, increases the number of intratumoral lymphatics and number of tumor cells within lymphatics, and promotes metastasis to local lymph nodes. Prevention of lymph node metastasis by PF-04217903 in this setting implicates c-Met signaling in tumor cell spread to lymph nodes. Cancer Res; 73(12); 3692–703. ©2013 AACR.

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  • Lymphatic metastasis is a key mechanism by which cancer cells detach from the primary tumor, migrate to adjacent regional lymph nodes, and eventually spread to other organs or body sites.

    “Lymphatic metastasis is a key mechanism by which cancer cells detach from the primary tumor, migrate to adjacent regional lymph nodes, and eventually spread to other organs or body sites222.”

    From Organic small-molecule NIR-II fluorophores for tumor phototheranostics (2026) · cites this paper as [222]

    The Introduction (page unavailable) says tumor cells enter lymphatics within or near tumors and drain to regional sentinel nodes, supporting the lymph-node portion of the claim. Our copy does not establish that those cells subsequently spread from the nodes to other organs or body sites. (LLM, conf=0.87)

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Authors
Sennino, B., Ishiguro-Oonuma, T., Schriver, B. J., Christensen, J. G., & McDonald, D. M.
Affiliations
  • University of California, San Francisco (US)
  • Authors' Affiliations: 1Department of Anatomy, Comprehensive Cancer Center, Cardiovascular Research Institute, University of California-San Francisco, San Francisco; and 2Pfizer Global Research and Development, La Jolla Labs, La Jolla, California
Corresponding author
McDonald, Donald M.
Venue
Cancer Research
Published
2013-06-13
Volume
73
Issue
12
Pages
3692-3703
ISSN
  • 0008-5472 (ISSN-L)
  • 1538-7445
OpenAlex
W2039097790
Cited by
60
References
61
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 5 · 2020: 3 · 2019: 5 · 2018: 3 · 2017: 3 · 2016: 6 · 2015: 11 · 2014: 12 · 2013: 3
FWCI
5.72
Type
journal article
Language
en
Open access
Locations
  • Cancer Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Heart, Lung, and Blood Institute (R01HL059157, HL 24136, HL 59157, P01HL024136)
  • National Cancer Institute (CA-82923, R01CA082923)
Topics
  • Health Sciences › Medicine › Oncology › Lymphatic System and Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
Keywords
c-Met, lymph node metastasis, VEGF signaling, hepatocyte growth factor, pancreatic neuroendocrine tumors, lymphatic endothelial cells, sunitinib, anti-VEGF antibody, c-Met inhibitor, metastasis
MeSH terms
Sunitinib, Animals, Antibodies, Antineoplastic Agents, Immunohistochemistry, Indoles, Lymphatic Metastasis, Mice, Inbred C57BL, Mice, Transgenic, Pancreatic Neoplasms, Phosphorylation, Pyrazines, Pyrroles, Triazoles, Signal Transduction, Gene Expression Regulation, Neoplastic, Microscopy, Confocal, Proto-Oncogene Proteins c-met, Reverse Transcriptase Polymerase Chain Reaction, Vascular Endothelial Growth Factor C, Mice

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