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Article

EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center

  • Authors:
    • Riccardo Giannini
    • Cristiana Lupi
    • Elisa Sensi
    • Greta Alì
    • Agnese Proietti
    • Laura Boldrini
    • Adele Servadio
    • Mirella Giordano
    • Elisabetta Macerola
    • Rossella Bruno
    • Nicla Borrelli
    • Antonio Chella
    • Franca Melfi
    • Marco Lucchi
    • Alessandro Ribechini
    • Enrico Vasile
    • Federico Cappuzzo
    • Alfredo Mussi
    • Gabriella Fontanini
  • View Affiliations / Copyright

    Affiliations: Department of Surgical, Medical, Molecular Pathology and Critical Area, University of Pisa, Pisa, Italy, Unit of Anatomic Pathology 3, Azienda Ospedaliero‑Universitaria Pisana, Pisa, Italy, Unit of Pneumology, Azienda Ospedaliero‑Universitaria Pisana, Pisa, Italy, Unit of Thoracic Surgery, Azienda Ospedaliero‑Universitaria Pisana, Pisa, Italy, Unit of Thoracic Endoscopy, Azienda Ospedaliero‑Universitaria Pisana, Pisa, Italy, Unit of Medical Oncology 2, Azienda Ospedaliero‑Universitaria Pisana, Pisa, Italy, Medical Oncology Department, Istituto Toscano Tumori, Ospedale Civile, Livorno, Italy
  • Pages: 1166-1172
    |
    Published online on: June 14, 2016
       https://doi.org/10.3892/or.2016.4874
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Abstract

Activating EGFR mutations are important genetic alterations that have strong therapeutic implications for non-small cell lung cancer (NSCLC) patients. However, the role of KRAS mutations in this process is still under evaluation. Here, we report on the feasibility of a large‑scale EGFR and KRAS mutation analysis in the daily routine of a single center. NSCLCs from 2,387 patients were screened for EGFR and KRAS mutations from January 2010 to September 2015. Mutational analyses were performed in a single laboratory using single strand conformation polymorphism (SSCP)-Sanger sequencing and matrix‑assisted laser desorption ionization‑time of flight (MALDI‑TOF) on Sequenom platform for EGFR and pyrosequencing for KRAS. Activating EGFR mutations were found in 14.1% of all tumors, whereas KRAS mutations were found in 30.5% of all tumors. Direct sequencing showed analyzable cytological, small biopsy and surgical specimen percentages of 90.3, 90.9 and 98.1%, respectively, whereas the MALDI‑TOF platform showed analyzable cytological samples, small biopsies and surgical specimens percentages of 94.6, 95.7 and 96.9%, respectively. The mean analytical turnaround times (TAT) were 4 and 3 days for direct sequencing and the MALDI‑TOF platform, respectively. Our results confirm that small biopsy or cytological samples can be used for reliable EGFR and KRAS mutation testing and indicate that adopting the MALDI‑TOF platform reduces the rate of missed samples among the samples. Moreover, the 3-day analytical TAT of the MALDI-TOF multi-target technique is appropriate for clinical management and reduces the overall treatment decision time.
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Copy and paste a formatted citation
Spandidos Publications style
Giannini R, Lupi C, Sensi E, Alì G, Proietti A, Boldrini L, Servadio A, Giordano M, Macerola E, Bruno R, Bruno R, et al: EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center. Oncol Rep 36: 1166-1172, 2016.
APA
Giannini, R., Lupi, C., Sensi, E., Alì, G., Proietti, A., Boldrini, L. ... Fontanini, G. (2016). EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center. Oncology Reports, 36, 1166-1172. https://doi.org/10.3892/or.2016.4874
MLA
Giannini, R., Lupi, C., Sensi, E., Alì, G., Proietti, A., Boldrini, L., Servadio, A., Giordano, M., Macerola, E., Bruno, R., Borrelli, N., Chella, A., Melfi, F., Lucchi, M., Ribechini, A., Vasile, E., Cappuzzo, F., Mussi, A., Fontanini, G."EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center". Oncology Reports 36.2 (2016): 1166-1172.
Chicago
Giannini, R., Lupi, C., Sensi, E., Alì, G., Proietti, A., Boldrini, L., Servadio, A., Giordano, M., Macerola, E., Bruno, R., Borrelli, N., Chella, A., Melfi, F., Lucchi, M., Ribechini, A., Vasile, E., Cappuzzo, F., Mussi, A., Fontanini, G."EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center". Oncology Reports 36, no. 2 (2016): 1166-1172. https://doi.org/10.3892/or.2016.4874
Copy and paste a formatted citation
x
Spandidos Publications style
Giannini R, Lupi C, Sensi E, Alì G, Proietti A, Boldrini L, Servadio A, Giordano M, Macerola E, Bruno R, Bruno R, et al: EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center. Oncol Rep 36: 1166-1172, 2016.
APA
Giannini, R., Lupi, C., Sensi, E., Alì, G., Proietti, A., Boldrini, L. ... Fontanini, G. (2016). EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center. Oncology Reports, 36, 1166-1172. https://doi.org/10.3892/or.2016.4874
MLA
Giannini, R., Lupi, C., Sensi, E., Alì, G., Proietti, A., Boldrini, L., Servadio, A., Giordano, M., Macerola, E., Bruno, R., Borrelli, N., Chella, A., Melfi, F., Lucchi, M., Ribechini, A., Vasile, E., Cappuzzo, F., Mussi, A., Fontanini, G."EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center". Oncology Reports 36.2 (2016): 1166-1172.
Chicago
Giannini, R., Lupi, C., Sensi, E., Alì, G., Proietti, A., Boldrini, L., Servadio, A., Giordano, M., Macerola, E., Bruno, R., Borrelli, N., Chella, A., Melfi, F., Lucchi, M., Ribechini, A., Vasile, E., Cappuzzo, F., Mussi, A., Fontanini, G."EGFR and KRAS mutational analysis in a large series of Italian non-small cell lung cancer patients: 2,387 cases from a single center". Oncology Reports 36, no. 2 (2016): 1166-1172. https://doi.org/10.3892/or.2016.4874
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