Cited by 249Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchLung Cancer Research Studies

NKX2-1/TITF1/TTF-1-Induced ROR1 Is Required to Sustain EGFR Survival Signaling in Lung Adenocarcinoma

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Yamaguchi, Tomoya, Yanagisawa, Kiyoshi, Sugiyama, Ryoji, Hosono, Yasuyuki, Shimada, Yukako, Arima, Chinatsu, Kato, Seiichi, Tomida, Shuta +3 more·2012·Cancer Cell

Abstract

We and others previously identified NKX2-1, also known as TITF1 and TTF-1, as a lineage-survival oncogene in lung adenocarcinomas. Here we show that NKX2-1 induces the expression of the receptor tyrosine kinase-like orphan receptor 1 (ROR1), which in turn sustains a favorable balance between prosurvival PI3K-AKT and pro-apoptotic p38 signaling, in part through ROR1 kinase-dependent c-Src activation, as well as kinase activity-independent sustainment of the EGFR-ERBB3 association, ERBB3 phosphorylation, and consequential PI3K activation. Notably, ROR1 knockdown effectively inhibited lung adenocarcinoma cell lines, irrespective of their EGFR status, including those with resistance to the EGFR tyrosine kinase inhibitor gefitinib. Our findings thus identify ROR1 as an "Achilles' heel" in lung adenocarcinoma, warranting future development of therapeutic strategies for this devastating cancer.

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Crossref · 10.1016/j.ccr.2012.02.008

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Authors
Yamaguchi, T., Yanagisawa, K., Sugiyama, R., Hosono, Y., Shimada, Y., Arima, C., Kato, S., Tomida, S., Suzuki, M., Osada, H., & Takahashi, T.
Affiliations
  • Nagoya University (JP)
  • Nagoya University Institute for Advanced Research (JP)
  • Nagoya University Hospital (JP)
  • Aichi Cancer Center Research Institute (JP)
Corresponding author
Takahashi, Takashi
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2012-03
Volume
21
Issue
3
Pages
348-361
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2166836693
Cited by
249
References
47
Citations by year
2026: 11 · 2025: 11 · 2024: 16 · 2023: 16 · 2022: 13 · 2021: 21 · 2020: 15 · 2019: 23 · 2018: 17 · 2017: 21 · 2016: 19 · 2015: 19 · 2014: 18 · 2013: 20 · 2012: 9
FWCI
17.03
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Japan Society for the Promotion of Science
  • Ministry of Education, Culture, Sports, Science and Technology
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Health Sciences › Medicine › Oncology › Lung Cancer Research Studies
Keywords
TTF-1, ROR1, lung adenocarcinoma, EGFR, HER3, PI3K/Akt signaling, p38 MAPK, Src kinase, gefitinib resistance, EGFR tyrosine kinase inhibitor resistance
MeSH terms
Thyroid Nuclear Factor 1, Adenocarcinoma of Lung, Adenocarcinoma, Humans, Lung Neoplasms, Molecular Sequence Data, Nuclear Proteins, Transcription Factors, Signal Transduction, Gene Expression Regulation, Neoplastic, Proto-Oncogene Proteins pp60(c-src), Receptor Tyrosine Kinase-like Orphan Receptors, ErbB Receptors

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