SHEN Liuzhong , CHEN Xin , ZHANG Aiping , etal .
  • Department of Thoracic and Cardiovascular Surgery, Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing 210006, P.R. China;
Nonsmall cell lung cancer; Integrinlinked kinase; Matrix metalloproteinases9; Prognosis
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 Abstract: Objective To observe the expression of integrinlinked kinase (ILK) and matrix metalloproteinases9 (MMP9) in human nonsmall cell lung cancer (NSCLC) and investigate the correlation of ILK and MMP9 expression with the prognosis of NSCLC. Methods The expression of ILK and MMP9 in 75 specimens of NSCLC resected from January 2002 to January 2004 were detected by immunohistochemistry. According to the median of integral optical density (IOD), all patients were divided into the high or low ILK expression group and the high or low MMP-9 expression group. The relativity of ILK and MMP9 was determined, and the relationship of survival time with clinical features including expression of ILK and MMP-9 was compared by Logrank test. Results Both ILK and MMP-9 were expressed in NSCLC specimens. The expression between ILK and MMP-9 was positively correlated in 75 patients of our group (r=0.79, P lt;0.05). Patients with lower expression of ILK and MMP9 had a significantly longer survival time than those with higher expression of ILK and MMP-9 in the postoperative followup (χ2=15.067,14301,P lt;0.05). The survival time was not correlated with sex,age,smoking history or pathological type(χ2=0450,0078, 1.460, 1.623，P gt;0.05), while tumor diameter, lymph node metastasis, TNM stage, the expression of ILK and MMP-9 significantly influenced the survival time (χ2=3.963, 15.169,20.529, 15.067，14.301，P lt;0.05). Conclusion  The expression of ILK and MMP9 affects the prognosis of NSCLC. MMP-9 may advance infiltration and metastasis of tumor cells through ILK pathway. In summary, the expression of ILK and MMP9 may play an important role in the evaluation of prognosis for patients with NSCLC.

Citation： SHEN Liuzhong,CHEN Xin,ZHANG Aiping,etal .. The Correlation of Integrinlinked Kinase and Matrix Metalloproteinases9 Expression with Prognosis of Nonsmall Cell Lung Cancer. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2010, 17(6): 479-483. doi: Copy

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