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Cited by 293

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The PRKCI and SOX2 Oncogenes Are Coamplified and Cooperate to Activate Hedgehog Signaling in Lung Squamous Cell Carcinoma

Open access
Justilien, Verline, Walsh, Michael P., Ali, Syed A., Thompson, E. Aubrey, Murray, Nicole R., Fields, Alan P.·2014·Cancer Cell

Abstract

SUMMARY We report that two oncogenes co-amplified on chromosome 3q26, PRKCI and SOX2, cooperate to drive a stem-like phenotype in lung squamous cell carcinoma (LSCC). PKCι phosphorylates SOX2, a master transcriptional regulator of stemness, and recruits it to the promoter of Hedgehog Acyl Transferase (HHAT), which catalyzes the rate-limiting step in Hh ligand production. PKCι-mediated SOX2 phosphorylation is required for HHAT promoter occupancy, HHAT expression, and maintenance of a stem-like phenotype. Primary LSCC tumors coordinately overexpress PKCι, SOX2, and HHAT, and require PKCι-SOX2-HHAT signaling to maintain a stem-like phenotype. Thus, PKCι and SOX2 are genetically, biochemically and functionally linked in LSCC, and together they drive tumorigenesis by establishing a cell autonomous Hh signaling axis.

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Metadata

Authors
Justilien, V., Walsh, M. P., Ali, S. A., Thompson, E. A., Murray, N. R., & Fields, A. P.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2014-02
Volume
25
Issue
2
Pages
139-151
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2165908624
Cited by
293
References
2
FWCI
13.87
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The PRKCI and SOX2 Oncogenes Are Coamplified and Cooperate to Activate Hedgehog Signaling in Lung Squamous Cell Carcinoma. https://app.cochat.ai/papers/10.1016/j.ccr.2014.01.008
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Justilien, V., Walsh, M. P., Ali, S. A., Thompson, E. A., Murray, N. R., & Fields, A. P. (2014). The PRKCI and SOX2 Oncogenes Are Coamplified and Cooperate to Activate Hedgehog Signaling in Lung Squamous Cell Carcinoma. Cancer Cell. https://doi.org/10.1016/j.ccr.2014.01.008

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