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CIP2A with survivin protein expressions in human non-small-cell lung cancer correlates with prognosis

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Abstract

Cancerous inhibitor of protein phosphatase 2A (CIP2A) and survivin are aberrantly expressed in a wide range of human cancers, including lung tumors. In order to assess the expressions of these two proteins in Chinese non-small-cell lung cancer (NSCLC) patients and determine their correlation with prognosis, NSCLC tissues and adjacent non-cancerous normal lung tissues were collected from 97 patients undergoing surgical treatment and evaluated by immunohistochemistry staining. CIP2A or survivin immunoreactivity was detected in significantly more NSCLC tissues than in adjacent non-cancerous lung tissues (P < 0.05). Moreover, CIP2A expression in NSCLC correlated with TNM stage, while survivin expression correlated with TNM stage and lymph node metastasis. Kaplan–Meier survival analysis showed that the overall survival times in patients expressing either CIP2A or survivin protein in NSCLC were shorter. COX regression analysis indicated that expression of CIP2A protein was an independent prognostic factor for NSCLC patients (HR = 3.631, P = 0.015). Therefore, CIP2A expression in Chinese NSCLC patients may be a useful biomarker of biological malignancy.

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Abbreviations

NSCLC:

Human non-small-cell lung cancer

CIP2A:

Cancerous inhibitor of protein phosphatase 2A

DAB:

Diaminobenzidine

PBS:

Phosphate-buffered saline

HR:

Hazard ratio

CL:

Confidence interval

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Authors and Affiliations

  1. Department of Respiratory Medicine, Anhui Geriatric Institute, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People’s Republic of China

    Xiao-Lan Xu, Zhi-Hong Zhang & Yan-Bei Zhang

  2. Department of General Surgery, Affiliated Provincial Hospital of Anhui Medical University, Hefei, 230001, People’s Republic of China

    Peng Xu & Qiang Huang

Authors
  1. Peng Xu
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  2. Xiao-Lan Xu
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  3. Qiang Huang
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  4. Zhi-Hong Zhang
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  5. Yan-Bei Zhang
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Corresponding author

Correspondence to Yan-Bei Zhang.

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Peng Xu and Xiao-Lan Xu contributed equally to the work.

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Xu, P., Xu, XL., Huang, Q. et al. CIP2A with survivin protein expressions in human non-small-cell lung cancer correlates with prognosis. Med Oncol 29, 1643–1647 (2012). https://doi.org/10.1007/s12032-011-0053-3

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  • DOI: https://doi.org/10.1007/s12032-011-0053-3

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