Chinese Medical Sciences Journal ›› 2014, Vol. 29 ›› Issue (3): 156-161.doi: 10.1016/S1001-9294(14)60061-4

• Orginal Article • 上一篇    下一篇

Associations Between Epidermal Growth Factor Receptor Gene Mutation and Serum Tumor Markers in Advanced Lung Adenocarcinomas: A Retrospective Study

Ying-qiu Pan, Wei-wu Shi, Dan-ping Xu, Hui-hui Xu, Mei-ying Zhou, Wei-hua Yan*   

  1. Medical Research Center, Taizhou Hospital of Zhejiang Province, Wenzhou Medical College, Linhai, Zhejiang 317000, China
  • 出版日期:2014-09-29 发布日期:2014-09-29
  • 通讯作者: *Corresponding author Tel: 86-576-85199347, Fax: 86-576-85199876, E-mail: yanwhcom@yahoo.com E-mail:yanwhcom@yahoo.com

Associations Between Epidermal Growth Factor Receptor Gene Mutation and Serum Tumor Markers in Advanced Lung Adenocarcinomas: A Retrospective Study

Ying-qiu Pan, Wei-wu Shi, Dan-ping Xu, Hui-hui Xu, Mei-ying Zhou, Wei-hua Yan*   

  1. Medical Research Center, Taizhou Hospital of Zhejiang Province, Wenzhou Medical College, Linhai, Zhejiang 317000, China
  • Published:2014-09-29 Online:2014-09-29
  • Contact: *Corresponding author Tel: 86-576-85199347, Fax: 86-576-85199876, E-mail: yanwhcom@yahoo.com E-mail:yanwhcom@yahoo.com

摘要: Objective To investigate the associations between epidermal growth factor receptor (EGFR) gene mutations and serum tumor markers in advanced lung adenocarcinomas. Methods We investigated the association between EGFR gene mutations and clinical features, including serum tumor marker levels, in 97 advanced lung adenocarcinomas patients who did not undergo the treatment of EGFR tyrosine kinase inhibitors. EGFR gene mutation was detected by real-time PCR at exons 18, 19, 20, and 21. Serum tumor marker concentrations were analyzed by chemiluminescence assay kit at the same time. Results EGFR gene mutations were detected in 42 (43%) advanced lung adenocarcinoma patients. Gender (P=0.003), smoking status (P=0.001), and abnormal serum status of carcinoembryonic antigen (CEA, P=0.028) were significantly associated with EGFR gene mutation incidence. Multivariate analysis showed the abnormal CEA level in serum was independently associated with the incidence of EGFR gene mutation (P=0.046) with an odds ratio of 2.613 (95% CI: 1.018-6.710). However, receiver operating characteristic (ROC) curve analysis revealed CEA was not an ideal predictive marker for EGFR gene mutation status in advanced lung adenocarcinoma (the area under the ROC curve was 0.608, P=0.069). Conclusions EGFR gene mutation status is significantly associated with serum CEA status in advanced lung adenocarcinmoas. However, serum CEA is not an ideal predictor for EGFR mutation.

关键词: advanced lung adenocarcinomas, epidermal growth factor receptor gene, mutation, epidermal growth factor receptor tyrosine kinase inhibitor, carcinoembryonic antigen

Abstract: Objective To investigate the associations between epidermal growth factor receptor (EGFR) gene mutations and serum tumor markers in advanced lung adenocarcinomas. Methods We investigated the association between EGFR gene mutations and clinical features, including serum tumor marker levels, in 97 advanced lung adenocarcinomas patients who did not undergo the treatment of EGFR tyrosine kinase inhibitors. EGFR gene mutation was detected by real-time PCR at exons 18, 19, 20, and 21. Serum tumor marker concentrations were analyzed by chemiluminescence assay kit at the same time. Results EGFR gene mutations were detected in 42 (43%) advanced lung adenocarcinoma patients. Gender (P=0.003), smoking status (P=0.001), and abnormal serum status of carcinoembryonic antigen (CEA, P=0.028) were significantly associated with EGFR gene mutation incidence. Multivariate analysis showed the abnormal CEA level in serum was independently associated with the incidence of EGFR gene mutation (P=0.046) with an odds ratio of 2.613 (95% CI: 1.018-6.710). However, receiver operating characteristic (ROC) curve analysis revealed CEA was not an ideal predictive marker for EGFR gene mutation status in advanced lung adenocarcinoma (the area under the ROC curve was 0.608, P=0.069). Conclusions EGFR gene mutation status is significantly associated with serum CEA status in advanced lung adenocarcinmoas. However, serum CEA is not an ideal predictor for EGFR mutation.

Key words: advanced lung adenocarcinomas, epidermal growth factor receptor gene, mutation, epidermal growth factor receptor tyrosine kinase inhibitor, carcinoembryonic antigen

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