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Establishment and Characterization of Three Afatinib-resistant Lung Adenocarcinoma PC-9 Cell Lines Developed with Increasing Doses of Afatinib
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Cancer Research
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JoVE Journal Cancer Research
Establishment and Characterization of Three Afatinib-resistant Lung Adenocarcinoma PC-9 Cell Lines Developed with Increasing Doses of Afatinib

Establishment and Characterization of Three Afatinib-resistant Lung Adenocarcinoma PC-9 Cell Lines Developed with Increasing Doses of Afatinib

DOI:
10.3791/59473-v

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09:38 min

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June 26, 2019

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, , , ,
1Advanced Cancer Translational Research Institute,Showa University, 2Division of Breast Surgical Oncology, Department of Surgery,Showa University School of Medicine, 3Division of Allergology and Respiratory Medicine, Department of Medicine,Showa University School of Medicine

Chapters

  • 00:04Title
  • 00:38Initial Afatinib PC-9 Cell Exposure Determination by 3-(4,5-dimethylthiazol-2-yl)-2,5- diphenyltetrazolium bromide (MTT) Assay
  • 01:46Continuous Afatinib Exposure
  • 03:01PC-9 Cell Growth Curve Determination
  • 03:46Epidermal Growth Factor Receptor (EGFR) Genomic DNA Alteration Evaluation
  • 04:53Epidermal Growth Factor Receptor (EGFR) Protein Alteration Evaluation
  • 07:39Results: Afatinib-resistant Cell Characterization
  • 08:59Conclusion

Summary

Automatic Translation

Automatic Translation

A method for establishing afatinib-resistance cell lines from lung adenocarcinoma PC-9 cells was developed, and resistant cells were characterized. The resistant cells can be used to investigate epidermal growth factor receptor tyrosine kinase inhibitor-resistance mechanisms, applicable for patients with non-small cell lung cancer.

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Keywords: Afatinib ResistanceLung AdenocarcinomaPC-9 Cell LinesAcquired ResistanceStepwise Dose EscalationMTT AssayCell CultureSubconfluencyDose-dependent Resistance

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