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Lung Cancer. 2008 Oct;62(1):105-12. doi: 10.1016/j.lungcan.2008.02.021. Epub 2008 Apr 18.

Expression of excision repair cross-complementation group 1 and class III beta-tubulin predict survival after chemotherapy for completely resected non-small cell lung cancer.

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1
Department of Oncology, Immunology and Surgery, Nagoya City University Graduate School of Medical Science, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan.

Abstract

In this study, we examined the expression of excision repair cross-complementation group 1 (ERCC1) protein in 90 completely resected lung cancer samples from patients who received adjuvant or neo-adjuvant platinum-based chemotherapy. Epidermal growth factor receptor (EGFR) was also studied in these samples. We also examined class III beta-tubulin protein expression in 50 patients treated with a platinum-based drug plus paclitaxel. Among 90 patients treated with platinum-based chemotherapy, the loss of ERCC1 protein expression was associated with a better prognosis (p=0.0068). The effect of ERCC1 expression on survival was not seen in a separate set of 59 patients who underwent curative resection but did not receive adjuvant chemotherapy. Among 50 patients treated with a platinum-based drug plus paclitaxel, loss of class III beta-tubulin protein expression was also associated with a better prognosis (p=0.0303). When combined, patients with a tumor that was negative for both ERCC1 and class III beta-tubulin had a significantly longer overall survival than those with a tumor that expressed either ERCC1 or class III beta-tubulin (p=0.0230). There was no relationship between the presence of an EGFR mutation and the patients' survival after the platinum-based chemotherapy. In conclusion, we found that the loss of ERCC1 and class III beta-tubulin protein expression were predictors of better survival in patients who received a platinum-based plus taxane chemotherapy.

PMID:
18395930
DOI:
10.1016/j.lungcan.2008.02.021
[Indexed for MEDLINE]

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