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HOME > J Pathol Transl Med > Volume 39(3); 2005 > Article
Original Article Expression of Survivin in Non-Small Cell Lung Carcinoma: Relationship to Tumor Biology and Prognosis in Surgically Treated Patients.
Min Jung Jung, Bong Kwon Chun
Journal of Pathology and Translational Medicine 2005;39(3):151-157
DOI: https://doi.org/
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Department of Pathology, College of Medicine, Kosin University, Busan, Korea. bk1000@empal.com

Survivin, a novel member of inhibitor-of-apoptosis, is undetectable in most terminally differentiated nonproliferative adult tissue, but is overexpressed in some human malignancies. The survivin gene expression is repressed by binding of wild-type p53 with the survivin promotor. In this study, we investigated the prevalence of survivin expression, its association with p53 overexpression and proliferative index, and clinicopathological significance in non-small cell lung carcinomas (NSCLC).
Immunohistochemical stainings were performed in 59 cases of primary NSCLC for survivin, p53 and Ki-67. Correlations between the survivin expression, p53 overexpression and Ki-67 labeling index were analyzed.
Survivin expression was detected in 47 carcinomas (80%) with nuclear immunoreactivity (56%). Survivin nuclear immunoreactivity revealed significantly worse prognosis in NSCLC patients (p=0.003), and correlated with lymph node metastasis (p=0.014), lymphovascular invasion (p=0.032), p53 overexpression, and Ki-67 labeling index (KI 24.2 +/- 6.9, p=0.045). Survivin expression was not correlated with histological type and pT status.
High incidence of survivin overexpression in NSCLC suggests that survivin is involved in lung carcinogenesis, and nuclear expression of survivin can be used as a poor prognostic predictor in NSCLC patients. Expression of mutant p53 seems to be a possible mechanism of survivin up-regulation in NSCLC.

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