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Relationship between VEGF-C Expression and Lymphatic Metastasis in Colon Cancer Organization

Author: ShiLei
Tutor: XingGuangMing
School: Dalian Medical University
Course: Surgery
Keywords: Vascular endothelial growth factor C Vascular endothelial growth factor receptor-3 Lymphangiogenesis Lymphatic Metastasis Colon cancer
CLC: R735.35
Type: Master's thesis
Year: 2006
Downloads: 48
Quote: 0
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Abstract


Purpose: Lymphatic metastasis is a main and prevalent pathway of metastasis in colon cancer. It has been identified by considerable clinical studies that the life span of the patient with colon cancer is closely related with the lymphatic metastasis of the tumor cell. Expounding the way of lymphatic metastasis of colon cancer would provide theoretical significance for effective theraputic strategy. The mechanism of tumour lymphogenesis and its affection to metastasis are emphasized currently following the research of tumour angiogenesis, scince it has been verified that angiogenesis and lymphangiogenesis play important roles in the pathologic change of malignant tumour metastasis. Vascular endothelial growth factor C(VEGF-C),also called lymphangiogenesis factors, played a key role in promoting lymphangiogenesis after combined with vascular endothelial growth factor receptor-3. It is well known that increased expression of VEGF-C is closely related to the lymphatic metastasis in most tumour tissue, but known little about the relationship between VEGF-C expression and lymphatic metastasis in colon cancer. The purpose the this study is to discuss the relationships between VEGF-C expression, lymphangiogenesis, angiogenesis in colon cancer, lymphatic metastasis and clinical pathologic characteristics.Method: Immunohistochemistry PV-9000 two step method was performed to measure the VEGF-C, VEGF-C receptor and vascular endothelial cell marker CD31 in 64 case of colon cancer tissue, to calculate lymphatic microvessel density( LMVD) and microvessel density(MVD). 5μm thick paraffin wax slice was devaxed. Hydrogen dioxide treatment

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CLC: > Medicine, health > Oncology > Gastrointestinal Cancer > Intestinal neoplasms > Colon tumor
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