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Fig. 1 | Respiratory Research

Fig. 1

From: Protein tyrosine kinase 2: a novel therapeutic target to overcome acquired EGFR-TKI resistance in non-small cell lung cancer

Fig. 1

The pemetrexed-resistant PC-9 cell line acquired EGFR-TKI resistance. a-e Viabilities of the human EGFR-mutant NSCLC cell line PC-9 and the PEM-resistant cell line PC-9/PEM treated for 72 h with pemetrexed or EGFR-TKI at the indicated concentrations. Data are means (SD), n = 3. *, P < 0.05; **, P < 0.01; ***, P < 0.001; ****, P < 0.0001 by Student’s t-test

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Respiratory Research

ISSN: 1465-993X

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