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Article

A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma

  • Authors:
    • Elisa Paolicchi
    • Paola Pacetti
    • Elisa Giovannetti
    • Andrea Mambrini
    • Massimo Orlandi
    • Francesco Crea
    • Antonello A. Romani
    • Roberta Tartarini
    • Romano  Danesi
    • Godefridus J. Peters
    • Maurizio Cantore
  • View Affiliations / Copyright

    Affiliations: Department of Internal Medicine, Division of Pharmacology, University of Pisa, Pisa I-56126, Italy, Department of Oncology, Carrara Civic Hospital, Piazza Sacco e Vanzetti, Carrara I-54033, Italy, Department of Medical Oncology, VU University Medical Center, Amsterdam, Amsterdam 1081HV, The Netherlands, Department of Surgical Sciences, Division of Surgical Clinic and Organ Transplant, University of Parma, Parma I-43100, Italy
  • Pages: 1487-1491
    |
    Published online on: September 2, 2013
       https://doi.org/10.3892/ol.2013.1559
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Abstract

Cholangiocarcinoma (CCA) is a deadly disease arising from the malignant transformation of cholangiocytes. Enhancer of zeste homolog 2 (EZH2) is overexpressed in poorly differentiated CCA. Functional single nucleotide polymorphisms (SNPs) in this gene may affect the role of EZH2 in cholangiocarcinogenesis and chemoresistance. The aim of the current study was to evaluate the correlation between EZH2 SNPs and clinical outcome. Using PROMO3.0, GeneCard and MicroSNiper, 4 EZH2 SNPs with functional relevance in CCA were selected in silico. These SNPs were studied in genomic DNA extracted from the blood samples of 75 patients with advanced CCA, who were treated with epirubicin-cisplatin‑xeloda (ECX regimen). SNP genotyping was performed with specific PCR assays. The rs887569 TT genotype was correlated with a significantly longer overall survival (OS; TT vs. CT-CC, P=0.026). Moreover, the TT genotype revealed a trend toward a significant association with a reduced risk of mortality (HR, 0.59; 95% CI, 0.33-1.05; P=0.075), by multivariate analysis. These results support future studies on the role of rs887569 EZH2 SNP as a possible predictive marker of OS in advanced CCA patients.
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Copy and paste a formatted citation
Spandidos Publications style
Paolicchi E, Pacetti P, Giovannetti E, Mambrini A, Orlandi M, Crea F, Romani AA, Tartarini R, Danesi R, Peters G , Peters G , et al: A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma. Oncol Lett 6: 1487-1491, 2013.
APA
Paolicchi, E., Pacetti, P., Giovannetti, E., Mambrini, A., Orlandi, M., Crea, F. ... Cantore, M. (2013). A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma. Oncology Letters, 6, 1487-1491. https://doi.org/10.3892/ol.2013.1559
MLA
Paolicchi, E., Pacetti, P., Giovannetti, E., Mambrini, A., Orlandi, M., Crea, F., Romani, A. A., Tartarini, R., Danesi, R., Peters, G. ., Cantore, M."A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma". Oncology Letters 6.5 (2013): 1487-1491.
Chicago
Paolicchi, E., Pacetti, P., Giovannetti, E., Mambrini, A., Orlandi, M., Crea, F., Romani, A. A., Tartarini, R., Danesi, R., Peters, G. ., Cantore, M."A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma". Oncology Letters 6, no. 5 (2013): 1487-1491. https://doi.org/10.3892/ol.2013.1559
Copy and paste a formatted citation
x
Spandidos Publications style
Paolicchi E, Pacetti P, Giovannetti E, Mambrini A, Orlandi M, Crea F, Romani AA, Tartarini R, Danesi R, Peters G , Peters G , et al: A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma. Oncol Lett 6: 1487-1491, 2013.
APA
Paolicchi, E., Pacetti, P., Giovannetti, E., Mambrini, A., Orlandi, M., Crea, F. ... Cantore, M. (2013). A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma. Oncology Letters, 6, 1487-1491. https://doi.org/10.3892/ol.2013.1559
MLA
Paolicchi, E., Pacetti, P., Giovannetti, E., Mambrini, A., Orlandi, M., Crea, F., Romani, A. A., Tartarini, R., Danesi, R., Peters, G. ., Cantore, M."A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma". Oncology Letters 6.5 (2013): 1487-1491.
Chicago
Paolicchi, E., Pacetti, P., Giovannetti, E., Mambrini, A., Orlandi, M., Crea, F., Romani, A. A., Tartarini, R., Danesi, R., Peters, G. ., Cantore, M."A single nucleotide polymorphism in EZH2 predicts overall survival rate in patients with cholangiocarcinoma". Oncology Letters 6, no. 5 (2013): 1487-1491. https://doi.org/10.3892/ol.2013.1559
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