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Expression of transcription factor SOX2 in non-small cell lung cancer and its significance |
YANG Fang1 LI Pengcheng1 LIU Wei1 ZHOU Yan’gang1 WANG Xiaoyan2 REN Tao1 |
1.Department of Oncology, the First Affiliated Hospital of Chengdu Medical College, Sichuan Province, Chengdu 610500, China; 2
.Department of Pathology, the First Affiliated Hospital of Chengdu Medical College, Sichuan Province, Chengdu 610500, China |
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Abstract Objective To investigate the expression between transcription factor SOX2 in non-small cell lung cancer (NSCLC) and association clinicopathological characteristics and prognosis. Methods From January 2017 to May 2019, 74 NSCLC specimens were collected from the First Affiliated Hospital of Chengdu Medical College and confirmed by the pathology department. Immunohistochemistry was used to detect the expression of SOX2 in NSCLC tissues and paracancerous tissues, and its clinicopathological characteristics and the prognosis of patients were analyzed. Results The positive rate of SOX2 in NSCLC tissues was higher than that in paracarcinoma tissues, and the difference was highly statistically significant (P < 0.01). There were statistically significant differences in SOX2 positive rate among different histological types, lymph node metastasis and clinical stages (P < 0.05 or P < 0.01). This study was followed up from April 2017,and follow-up was conducted up to April 2020. NSCLC patients with SOX2 positive expression lived longer than that with SOX2 negative expression, and the difference was highly statistically significant (P < 0.01). SOX2 positive expression and lymph node metastasis were independent influence factors in prognosis of patients with NSCLC (RR > 1, P < 0.05). Conclusion SOX2 expression in NSCLC tissues is related to histological type and clinical stage, which can be used as a potential biomarker for diagnosis and prognosis of NSCLC.
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