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Poster Display session 1

3779 - The expression of HER2-gene polymorphisms -1985G>T and P1170A C>G and their association with the risk of development of lung adenocarcinoma

Date

28 Sep 2019

Session

Poster Display session 1

Topics

Tumour Site

Non-Small Cell Lung Cancer

Presenters

Ivan Aleric

Citation

Annals of Oncology (2019) 30 (suppl_5): v602-v660. 10.1093/annonc/mdz260

Authors

I. Aleric1, D. Katalinic1, A. Vcev1, E. Kattner2, S. Bildat2, V. Krieger-Borgstaedt2, L. Toetome3

Author affiliations

  • 1 Department Of Clinical Medicine, Faculty of Dental Medicine and Health, Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 - Osijek/HR
  • 2 Department Of Hematology And Medical Oncology, Herford Teaching Hospital, Medical Campus OWL, 32049 - Herford/DE
  • 3 Department Of Molecular Medicine, Center for Cancer Medicine, 0424 - Oslo/NO

Resources

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Abstract 3779

Background

HER2-gene mutations are considered to be an important prognostic factor in patients with lung cancer. The aim of our study was to assess the frequency and significance of HER2-gene single nucleotide polymorphisms -1985G>T and P1170AC>G among the patients with small-cell and non-small cell lung cancer and to compare this data to healthy subjects.

Methods

The study was performed among 359 patients (69% males and 31% females; mean age of 59.96 ± 18.24 years) with diagnosis of stage IV small-cell (24.6% of patients) and non-small cell lung cancer (75.4% of patients) compared to 167 healthy subjects (72% males and 28% females; mean age of 69.96 ± 11.74 years). The frequencies of two polymorphisms of the HER-2-gene -1985G>T and P1170A C>G were detected using the quantitative real-time polymerase chain reaction (qRT-PCR) restriction fragment length polymorphism (RFLP) assay. The study was conducted according to the Declaration of Helsinki, the protocol was reviewed and approved by the institutional Ethics committee and all patients provided written informed consent.

Results

We found statistically significant difference in the distribution of genetic mutation variants -1985G>T and P1170A C>G among the patients with lung adenocarcinoma compared to healthy subjects (p < 0.001). The -1985G>T and P1170A C>G allelic variants were not significantly expressed among the patient and control groups in overall subject (p = 0.874).

Conclusions

Our study indicates that the expressions of genetic variants -1985G>T and P1170A C>G is associated with higher risk of development of lung adenocarcinoma. There was no statistical difference among patient and control groups in overall subjects.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

The authors.

Funding

Has not received any funding.

Disclosure

All authors have declared no conflicts of interest.

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