HAN Xiaoli, et al. Expression of survivin,P16INK4a in non-small cell lung carcinoma and their significance[J]. Journal of Chongqing Medical University, 2007,(3):264-267.
HAN Xiaoli, et al. Expression of survivin,P16INK4a in non-small cell lung carcinoma and their significance[J]. Journal of Chongqing Medical University, 2007,(3):264-267.DOI:
Objective:To study the expression of a novel apoptosis inhibitor gene
survivin
in non-small cell lung carcinoma (NSCLC)
and its correlation to the expression of P16INK4a gene.Methods:The immunohistochemistry was used to assay the expression of surviving and P16INK4a in tissues of fifty-six cases of non-small cell lung carcinoma
with 12 specimens of benign lesions as the control.Results:Survivin was expressed in 36 out of 56(64.3%)cases of NSCLC
and its expression rate in benign pulmonary diseases was only 8.3%(P<0.01).The negative P16INK4a protein expression rates in NSCLC tissues and benign impaired tissues were 51.8% and 16.7% respectively.Overexpression of survivin and negative expressionof P16INK4a in NSCLC were strongly related to the tumor grade
clinical TNM stages and lymph node metatstasis(P<0.01).In P16INK4a positive expression group and negative expression group
the positive rates of survivin expression were 40.8%(11/27)and 86.2%(25/29)respectively.The difference was significant(P<0.01)and the expressions of survivin and P16INK4a showed a reuerse correlation(r=-0.459
P<0.01).Conclusion:Overexpression of survivin and negative expression of P16INK4a in NSCLC indicated survivin and P16INK4a may play cooperative role in the tumorigenesis and development of NSCLC through inhibiting cancer cell apoptosis and promoting proliferation.So the expressions of Survivin and P16INK4a can be used as references for the diagnosis and prognosis of NSCLC.