PMID: 18182722Jan 10, 2008Paper

Expression and significance of Notch1, Jagged1 and VEGF in human non-small cell lung cancer

Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences
Xin JiangYing Liu

Abstract

To determine the expressions of Notch1, Jagged1 and vascular endothelial growth factor (VEGF) in human non-small cell lung cancer (NSCLC) and to explore its clinical pathological significance. Immunohistochemical SP method was used to detect the expressions of Notch1, Jagged1 and VEGF in 65 patients with NSCLC and 15 normal epithelial tissues of the lung, and the relationship between them and clinic-pathological parameters were analyzed. The positive rates of Notch1, Jagged1 and VEGF in NSCLC were 81.5%, 83.1% and 93.8%, respectively, higher than those in normal epithelial tissues of the lung (P<0.05). The positive expression levels of Notch1 and VEGF were closely associated with the tumor stage and the lymph node metastasis (P<0.05). The positive expression levels of Jagged1 was positively correlated with the pathological type and lymph node metastasis. There was a positive correlation between Notch1, Jagged1 and VEGF. Notch1, Jagged1 and VEGF protein may play an important role in the pathway of carcinogenesis and progression of NSCLC. The up-regulation of Notch1, Jagged1 and VEGF protein expression probably predict NSCLC carrying relatively strong permeation and metastasis.

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