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Article Open Access

Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer

  • Authors:
    • Li Li
    • Yanling Lv
    • Ying Zhang
    • Liya He
    • Hongzhen Zhang

  • View Affiliations / Copyright

    Affiliations: Department of Prevention and Health Care, Hebei People's Hospital, Shijiazhuang, Hebei 050051, P.R. China, Department of Personnel, Hebei People's Hospital, Shijiazhuang, Hebei 050051, P.R. China, Department of 5th Oncology, Hebei People's Hospital, Shijiazhuang, Hebei 050051, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 234-236
    |
    Published online on: November 4, 2015
       https://doi.org/10.3892/ol.2015.3856
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Abstract

Non‑small‑lung cancer (NSCLC) is a common malignant tumor and is a leading cause of cancer mortality. Tumor stem cells are associated with tumor pathogenesis and development as well as invastion and metastasis. In the present study, the expression and correlation of tumor stem cell markers, octamer‑binding transcription factor 4 (Oct‑4) and E‑cadherin (E‑cad) in NSCLC and normal lung tissue were investigated. Additionally, the molecular mechanisms of invasion and metastasis of NSCLC were assessed. The expression of Oct‑4 and E‑cad was examined in 65 pathologically diagnosed cases of NSCLC using immunohistochemistry. The correlation between Oct‑4 and E‑cad, as well as the association with pathological grade and clinical staging were also analyzed. Fifteen cases of normal lung tissues served as the control. The positive expression of Oct‑4 and abnormal expression of E‑cad was higher in the NSCLC tissue compared to the normal lung tissue, and increased as NSCLC malignancy increased. The differences in each grade each stage were statistically significant (P<0.05). A correlation was identified between the abnormal expression of Oct‑4 and E‑cad (P<0.05, coefficient of contingency C=0.439). In conclusion, the expression of Oct‑4 promoted the epithelial‑mesenchymal transition in lung cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Li L, Lv Y, Zhang Y, He L and Zhang H: Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer. Oncol Lett 11: 234-236, 2016.
APA
Li, L., Lv, Y., Zhang, Y., He, L., & Zhang, H. (2016). Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer. Oncology Letters, 11, 234-236. https://doi.org/10.3892/ol.2015.3856
MLA
Li, L., Lv, Y., Zhang, Y., He, L., Zhang, H."Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer". Oncology Letters 11.1 (2016): 234-236.
Chicago
Li, L., Lv, Y., Zhang, Y., He, L., Zhang, H."Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer". Oncology Letters 11, no. 1 (2016): 234-236. https://doi.org/10.3892/ol.2015.3856
Copy and paste a formatted citation
x
Spandidos Publications style
Li L, Lv Y, Zhang Y, He L and Zhang H: Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer. Oncol Lett 11: 234-236, 2016.
APA
Li, L., Lv, Y., Zhang, Y., He, L., & Zhang, H. (2016). Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer. Oncology Letters, 11, 234-236. https://doi.org/10.3892/ol.2015.3856
MLA
Li, L., Lv, Y., Zhang, Y., He, L., Zhang, H."Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer". Oncology Letters 11.1 (2016): 234-236.
Chicago
Li, L., Lv, Y., Zhang, Y., He, L., Zhang, H."Expression and clinical significance of Oct‑4 and E‑cad in non‑small‑cell lung cancer". Oncology Letters 11, no. 1 (2016): 234-236. https://doi.org/10.3892/ol.2015.3856
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