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Cited by 391

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Loss of Lkb1 and Pten Leads to Lung Squamous Cell Carcinoma with Elevated PD-L1 Expression

Open access
Xu, Chunxiao, Fillmore, Christine M., Koyama, Shohei, Wu, Hongbo, Zhao, Yanqiu, Chen, Zhao, Herter-Sprie, Grit S., Akbay, Esra A., Tchaicha, Jeremy H., Altabef, Abigail, Reibel, Jacob B., Walton, Zandra, Ji, Hongbin, Watanabe, Hideo, Jänne, Pasi A., Castrillon, Diego H., Rustgi, Anil K., Bass, Adam J., Freeman, Gordon J., Padera, Robert F., Dranoff, Glenn, Hammerman, Peter S., Kim, Carla F., Wong, Kwok-Kin·2014·Cancer Cell

Abstract

SUMMARY Lung squamous cell carcinoma (SCC) is a deadly disease for which current treatments are inadequate. We demonstrate that biallelic inactivation of Lkb1 and Pten in the mouse lung leads to SCC that recapitulates the histology, gene expression, and microenvironment found in human disease. Lkb1;Pten null (LP) tumors expressed the squamous markers KRT5, p63 and SOX2, and transcriptionally resembled the basal subtype of human SCC. In contrast to mouse adenocarcinomas, the LP tumors contained immune populations enriched for tumor-associated neutrophils. SCA1+NGFR+ fractions were enriched for tumor-propagating cells (TPCs) that could serially transplant the disease in orthotopic assays. TPCs in the LP model and NGFR+ cells in human SCCs highly expressed Pd-ligand-1 (PD-L1), suggesting a mechanism of immune escape for TPCs.

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Metadata

Authors
Xu, C., Fillmore, C. M., Koyama, S., Wu, H., Zhao, Y., Chen, Z., Herter-Sprie, G. S., Akbay, E. A., Tchaicha, J. H., Altabef, A., Reibel, J. B., Walton, Z., Ji, H., Watanabe, H., Jänne, P. A., Castrillon, D. H., Rustgi, A. K., Bass, A. J., Freeman, G. J., Padera, R. F., Dranoff, G., Hammerman, P. S., Kim, C. F., & Wong, K.-K.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2014-05
Volume
25
Issue
5
Pages
590-604
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2053627244
Cited by
391
References
44
FWCI
17.95
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Loss of Lkb1 and Pten Leads to Lung Squamous Cell Carcinoma with Elevated PD-L1 Expression. https://app.cochat.ai/papers/10.1016/j.ccr.2014.03.033
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Xu, C., Fillmore, C. M., Koyama, S., Wu, H., Zhao, Y., Chen, Z., Herter-Sprie, G. S., Akbay, E. A., Tchaicha, J. H., Altabef, A., Reibel, J. B., Walton, Z., Ji, H., Watanabe, H., Jänne, P. A., Castrillon, D. H., Rustgi, A. K., Bass, A. J., Freeman, G. J., . . . Wong, K.-K. (2014). Loss of Lkb1 and Pten Leads to Lung Squamous Cell Carcinoma with Elevated PD-L1 Expression. Cancer Cell. https://doi.org/10.1016/j.ccr.2014.03.033

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.