Context-dependent regulation of peripheral nerve abundance by the PI3K pathway in the tumor microenvironment of head and neck squamous cell carcinoma
Recent studies have highlighted neurons and their associated Schwann cells (SCs) as key regulators of cancer development. However, the mode of their interaction with tumor cells or other components of the tumor microenvironment (TME) remains elusive. We established an SC-related 43-gene set as a sur...
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| Hauptverfasser: | , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
14 June 2024
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| In: |
Cells
Year: 2024, Jahrgang: 13, Heft: 12, Pages: 1-16 |
| ISSN: | 2073-4409 |
| DOI: | 10.3390/cells13121033 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.3390/cells13121033
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| Verfasserangaben: | Karam Khorani, Sebastian Burkart, Christopher Weusthof, Rui Han, Siyuan Liang, Fabian Stögbauer and Jochen Hess |
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| 245 | 1 | 0 | |a Context-dependent regulation of peripheral nerve abundance by the PI3K pathway in the tumor microenvironment of head and neck squamous cell carcinoma |c Karam Khorani, Sebastian Burkart, Christopher Weusthof, Rui Han, Siyuan Liang, Fabian Stögbauer and Jochen Hess |
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| 520 | |a Recent studies have highlighted neurons and their associated Schwann cells (SCs) as key regulators of cancer development. However, the mode of their interaction with tumor cells or other components of the tumor microenvironment (TME) remains elusive. We established an SC-related 43-gene set as a surrogate for peripheral nerves in the TME. Head and neck squamous cell carcinoma (HNSCC) from The Cancer Genome Atlas (TCGA) were classified into low, intermediate and high SC score groups based on the expression of this gene set. Perineural invasion (PNI) and TGF-β signaling were hallmarks of SChigh tumors, whereas SClow tumors were enriched for HPV16-positive OPSCC and higher PI3K-MTOR activity. The latter activity was partially explained by a higher frequency of PTEN mutation and PIK3CA copy number gain. The inverse association between PI3K-MTOR activity and peripheral nerve abundance was context-dependent and influenced by the TP53 mutation status. An in silico drug screening approach highlighted the potential vulnerabilities of HNSCC with variable SC scores and predicted a higher sensitivity of SClow tumors to DNA topoisomerase inhibitors. In conclusion, we have established a tool for assessing peripheral nerve abundance in the TME and provided new clinical and biological insights into their regulation. This knowledge may pave the way for new therapeutic strategies and impart proof of concept in appropriate preclinical models. | ||
| 650 | 4 | |a axonogenesis | |
| 650 | 4 | |a cancer-neuron interaction | |
| 650 | 4 | |a Class I Phosphatidylinositol 3-Kinases | |
| 650 | 4 | |a Gene Expression Regulation, Neoplastic | |
| 650 | 4 | |a Head and Neck Neoplasms | |
| 650 | 4 | |a head and neck squamous cell carcinoma | |
| 650 | 4 | |a human papillomavirus | |
| 650 | 4 | |a Humans | |
| 650 | 4 | |a Mutation | |
| 650 | 4 | |a neurogenesis | |
| 650 | 4 | |a perineural invasion | |
| 650 | 4 | |a Peripheral Nerves | |
| 650 | 4 | |a Phosphatidylinositol 3-Kinases | |
| 650 | 4 | |a PTEN Phosphohydrolase | |
| 650 | 4 | |a Schwann cells | |
| 650 | 4 | |a Schwann Cells | |
| 650 | 4 | |a Signal Transduction | |
| 650 | 4 | |a Squamous Cell Carcinoma of Head and Neck | |
| 650 | 4 | |a TOR Serine-Threonine Kinases | |
| 650 | 4 | |a tumor microenvironment | |
| 650 | 4 | |a Tumor Microenvironment | |
| 650 | 4 | |a Tumor Suppressor Protein p53 | |
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