Axl is a prognostic marker in oral squamous cell carcinoma

Chien Hsing Lee, Ching Yu Yen, Shyun Yeu Liu, Chi Kang Chen, Chi Fu Chiang, Shine Gwo Shiah, Pei Hsuan Chen, Yi Shing Shieh

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Background: Overexpression of the receptor tyrosine kinase Axl is implicated in several diseases. The present study was conducted to determine the biologic and clinical significance of Axl in oral squamous cell carcinoma (OSCC). Methods: The expression of Axl was examined in a panel of OSCC cell lines. Activation of Axl by Gas6 treatment and silencing of Axl via Axl shRNA were used to examine the effect of Axl on OSCC cell line. Expression of Axl in cancer tissues were examined by immunohistochemical staining. The associations between Axl expression and clinicopathologic features and prognosis were analyzed. Results: Varied Axl expression was noted in OSCC cell lines. Compared with control cells, modulated Axl signal affected epithelial-mesenchymal gene expression and cell invasion and migration. The immunoreactivity of Axl was low in normal epithelium, and a progressively increased positive percentage was noted, from normal/hyperplastic epithelium (10.9%) to dysplasia (30.8%) to cancer tissue (54.5%). Axl expression correlated with lymph node status (P = .001) and clinical stage (P = .014) of OSCC. Patients with high expression of Axl showed poor prognosis compared with those with low Axl expression patients (P <.001). In multivariate prognostic analysis according to the Cox proportional hazard regression model, Axl expression remained as an independent prognostic factor (P = .037; CI, 1.042-3.839). Conclusions: Our data indicated that Axl signal promotes OSCC carcinogenesis and progression. The expression of Axl is a valuable marker for OSCC aggressiveness and clinical outcome.

Original languageEnglish
JournalAnnals of Surgical Oncology
Volume19
Issue numberSUPPL. 3
DOIs
Publication statusPublished - Jul 2012
Externally publishedYes

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Squamous Cell Carcinoma
Cell Line
Epithelium
Proportional Hazards Models
Small Interfering RNA
Cell Movement
Neoplasms
Carcinogenesis
Multivariate Analysis
Lymph Nodes
Staining and Labeling
Gene Expression

ASJC Scopus subject areas

  • Surgery
  • Oncology

Cite this

Lee, C. H., Yen, C. Y., Liu, S. Y., Chen, C. K., Chiang, C. F., Shiah, S. G., ... Shieh, Y. S. (2012). Axl is a prognostic marker in oral squamous cell carcinoma. Annals of Surgical Oncology, 19(SUPPL. 3). https://doi.org/10.1245/s10434-011-1985-8

Axl is a prognostic marker in oral squamous cell carcinoma. / Lee, Chien Hsing; Yen, Ching Yu; Liu, Shyun Yeu; Chen, Chi Kang; Chiang, Chi Fu; Shiah, Shine Gwo; Chen, Pei Hsuan; Shieh, Yi Shing.

In: Annals of Surgical Oncology, Vol. 19, No. SUPPL. 3, 07.2012.

Research output: Contribution to journalArticle

Lee, CH, Yen, CY, Liu, SY, Chen, CK, Chiang, CF, Shiah, SG, Chen, PH & Shieh, YS 2012, 'Axl is a prognostic marker in oral squamous cell carcinoma', Annals of Surgical Oncology, vol. 19, no. SUPPL. 3. https://doi.org/10.1245/s10434-011-1985-8
Lee, Chien Hsing ; Yen, Ching Yu ; Liu, Shyun Yeu ; Chen, Chi Kang ; Chiang, Chi Fu ; Shiah, Shine Gwo ; Chen, Pei Hsuan ; Shieh, Yi Shing. / Axl is a prognostic marker in oral squamous cell carcinoma. In: Annals of Surgical Oncology. 2012 ; Vol. 19, No. SUPPL. 3.
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abstract = "Background: Overexpression of the receptor tyrosine kinase Axl is implicated in several diseases. The present study was conducted to determine the biologic and clinical significance of Axl in oral squamous cell carcinoma (OSCC). Methods: The expression of Axl was examined in a panel of OSCC cell lines. Activation of Axl by Gas6 treatment and silencing of Axl via Axl shRNA were used to examine the effect of Axl on OSCC cell line. Expression of Axl in cancer tissues were examined by immunohistochemical staining. The associations between Axl expression and clinicopathologic features and prognosis were analyzed. Results: Varied Axl expression was noted in OSCC cell lines. Compared with control cells, modulated Axl signal affected epithelial-mesenchymal gene expression and cell invasion and migration. The immunoreactivity of Axl was low in normal epithelium, and a progressively increased positive percentage was noted, from normal/hyperplastic epithelium (10.9{\%}) to dysplasia (30.8{\%}) to cancer tissue (54.5{\%}). Axl expression correlated with lymph node status (P = .001) and clinical stage (P = .014) of OSCC. Patients with high expression of Axl showed poor prognosis compared with those with low Axl expression patients (P <.001). In multivariate prognostic analysis according to the Cox proportional hazard regression model, Axl expression remained as an independent prognostic factor (P = .037; CI, 1.042-3.839). Conclusions: Our data indicated that Axl signal promotes OSCC carcinogenesis and progression. The expression of Axl is a valuable marker for OSCC aggressiveness and clinical outcome.",
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AU - Yen, Ching Yu

AU - Liu, Shyun Yeu

AU - Chen, Chi Kang

AU - Chiang, Chi Fu

AU - Shiah, Shine Gwo

AU - Chen, Pei Hsuan

AU - Shieh, Yi Shing

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N2 - Background: Overexpression of the receptor tyrosine kinase Axl is implicated in several diseases. The present study was conducted to determine the biologic and clinical significance of Axl in oral squamous cell carcinoma (OSCC). Methods: The expression of Axl was examined in a panel of OSCC cell lines. Activation of Axl by Gas6 treatment and silencing of Axl via Axl shRNA were used to examine the effect of Axl on OSCC cell line. Expression of Axl in cancer tissues were examined by immunohistochemical staining. The associations between Axl expression and clinicopathologic features and prognosis were analyzed. Results: Varied Axl expression was noted in OSCC cell lines. Compared with control cells, modulated Axl signal affected epithelial-mesenchymal gene expression and cell invasion and migration. The immunoreactivity of Axl was low in normal epithelium, and a progressively increased positive percentage was noted, from normal/hyperplastic epithelium (10.9%) to dysplasia (30.8%) to cancer tissue (54.5%). Axl expression correlated with lymph node status (P = .001) and clinical stage (P = .014) of OSCC. Patients with high expression of Axl showed poor prognosis compared with those with low Axl expression patients (P <.001). In multivariate prognostic analysis according to the Cox proportional hazard regression model, Axl expression remained as an independent prognostic factor (P = .037; CI, 1.042-3.839). Conclusions: Our data indicated that Axl signal promotes OSCC carcinogenesis and progression. The expression of Axl is a valuable marker for OSCC aggressiveness and clinical outcome.

AB - Background: Overexpression of the receptor tyrosine kinase Axl is implicated in several diseases. The present study was conducted to determine the biologic and clinical significance of Axl in oral squamous cell carcinoma (OSCC). Methods: The expression of Axl was examined in a panel of OSCC cell lines. Activation of Axl by Gas6 treatment and silencing of Axl via Axl shRNA were used to examine the effect of Axl on OSCC cell line. Expression of Axl in cancer tissues were examined by immunohistochemical staining. The associations between Axl expression and clinicopathologic features and prognosis were analyzed. Results: Varied Axl expression was noted in OSCC cell lines. Compared with control cells, modulated Axl signal affected epithelial-mesenchymal gene expression and cell invasion and migration. The immunoreactivity of Axl was low in normal epithelium, and a progressively increased positive percentage was noted, from normal/hyperplastic epithelium (10.9%) to dysplasia (30.8%) to cancer tissue (54.5%). Axl expression correlated with lymph node status (P = .001) and clinical stage (P = .014) of OSCC. Patients with high expression of Axl showed poor prognosis compared with those with low Axl expression patients (P <.001). In multivariate prognostic analysis according to the Cox proportional hazard regression model, Axl expression remained as an independent prognostic factor (P = .037; CI, 1.042-3.839). Conclusions: Our data indicated that Axl signal promotes OSCC carcinogenesis and progression. The expression of Axl is a valuable marker for OSCC aggressiveness and clinical outcome.

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