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  • Title: Clinicopathological significance of vascular endothelial growth factor-C and cyclooxygenase-2 in esophageal squamous cell carcinoma.
    Author: Byeon JS, Jung HY, Lee YJ, Lee D, Lee GH, Myung SJ, Yang SK, Hong WS, Kim JH, Min YI, Kim JS.
    Journal: J Gastroenterol Hepatol; 2004 Jun; 19(6):648-54. PubMed ID: 15151619.
    Abstract:
    BACKGROUND: Vascular endothelial growth factor-C (VEGF-C) is a specific growth factor of lymphatics, which is known to play some role in tumor growth and metastasis to lymph nodes and distant organs in various malignancies. The purpose of the present study was to investigate the expression of VEGF-C in human esophageal squamous cell carcinomas (ESCC) to elucidate its role in tumor progression and lymph node metastasis. Another aim of the study was to investigate the relation between VEGF-C and cyclooxygenase-2 (COX-2) in ESCC. METHODS: The expression of VEGF-C and COX-2 in ESCC was evaluated in 13 endoscopic mucosal resection specimens and in 21 surgical specimens by immunohistochemical staining. Clinical data were obtained from medical records. RESULTS: The degree of VEGF-C expression increased as the depth of primary tumor progressed (r = 0.521, P = 0.002), the stage progressed (r = 0.572, P < 0.001), and the degree of COX-2 expression increased (r = 0.387, P = 0.024). The VEGF-C positive rate was different between early cancers in which regional lymph node metastasis was thought to be absent and advanced cancers in which regional lymph node metastases were confirmed after surgery (20.0% vs 100.0%; P < 0.001). CONCLUSIONS: The VEGF-C expression in ESCC is related to COX-2 expression, and VEGF-C is also associated with the depth of primary tumor, the stage, and probably lymph node metastasis. Thus the investigation of VEGF-C expression in ESCC may assist in management planning.
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