Abstract：
BACKGROUND:Angiogenesis and lymphogenesis which were promoted by vascular endothelial growth factor (VEGF) and VEGF-C are important in the growth and metastasis of solid tumors. The high level of VEGF and VEGF-C were distributed in numerous types of cancers, but their distribution and expression in Wilms tumor, the most common pediatric tumor of the kidney, was unclear. METHODS:To learn about the distribution, mass spectroscopy and immunohistochemistry were used to measure the level of VEGF and VEGF-C in serum and tissue of Wilms tumor. RESULTS:The expression level of VEGF in serum of Wilms tumor was the same as in pre-surgery and control, so it was the same case of VEGF-C. Both of these factors were chiefly located in Wilms tumor tissue, but not in borderline and normal. In addition, the higher clinical staging and histopathologic grading were important elements in high expression of VEGF and VEGF-C. Gender, age and the size of tumor have not certainly been implicated in expression level of VEGF and VEGF-C. CONCLUSIONS:The lymph node metastasis and growth of tumors resulted from angiogenesis and lymphogenesis which were promoted by VEGF and VEGF-C in Wilms tumor. The autocrine and paracrine process of VEGF and VEGF-C were the principal contributor to specific tissues of Wilms tumor but not to the entire body.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Wang L,Zhang D,Chen XR,Fan YX,Wang JXsubject
Has Abstractpub_date
2011-11-01 00:00:00pages
3716-20issue
22eissn
0366-6999issn
2542-5641journal_volume
124pub_type
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journal_title：Chinese medical journal
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