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Neoplasma Vol.69, No.2, p.352–360, 2022 |
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Title: Novel mutation signatures in the prognosis of EGFR-TKIs targeted therapy for non-small cell lung cancer patients based on the 1000-gene panel sequencing | ||
Author: Hui Zhang, Da Jiang, Hui Jin, Yan-Zhi Cui, Su-Ju Wei, Ying Li, Qian Dong, Jing Zuo, Cai-Juan Tian, Fang Yan, Xiao-Wei Wang | ||
Abstract: The application of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (EGFR-TKIs) in non-small cell lung cancer (NSCLC) may be affected by somatic mutations. The purpose of this study was to explore the effect of mutations on the prognosis and tumor markers of NSCLC patients treated with EGFR-TKIs. 21 NSCLC patients treated with EGFR-TKIs were selected, and the targeted sequencing of the tumor tissues or whole blood samples with the 1000-gene panel was conducted to screen mutations. Afterward, functional enrichment analysis was performed based on mutant genes. Subsequently, the correlation between mutations and clinical indicators, prognosis, and tumor markers were analyzed. Finally, the prognosis after taking osimertinib was compared between NSCLC patients with EGFR p.T790M positive and negative mutations, and the EGFR p.T790M concomitant and uncommon mutations were screened. A total of 485 mutations in 251 genes were identified, in which MTOR, AXIN2, AR, EGFR, NOTCH1, and HRAS mutations were significantly correlated with PFS and/or tumor markers. There was no significant difference in PFS, therapeutic effect, and prognosis between EGFR p.T790M positive and negative patients who received osimertinib treatment. Besides, we also found 80 concomitant mutations and 54 uncommon mutations of EGFR p.T790M. AR, HRAS, EGFR, AXIN2, NOTCH1, and MTOR might be key genes to the prognosis of NSCLC treated with EGFR-TKIs. Osimertinib has certain efficacy in EGFR p.T790M negative NSCLC patients. |
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Keywords: non-small cell lung cancer; EGFR-TKIs; prognosis; EGFR p.T790M; targeted next-generation sequencing | ||
Published online: 27-Jan-2022 | ||
Year: 2022, Volume: 69, Issue: 2 | Page From: 352, Page To: 360 | |
doi:10.4149/neo_2021_210914N1307 |
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