目的：研究人骨肉瘤OS 732细胞系促血管生成作用及血管内皮生长因子（VEGF）抗体对其血管生成的抑制作用。
Purpose To study the angiogenesis induced by OS 732 cell line and its inhibition by anti VEGF antibody.
目的研究重组人可溶性血管内皮细胞生长抑制因子（VEGI）对小鼠异体种植S- 180肉瘤生长的抑制作用。
Objective To test the anti tumor activity of recombinant soluble vascular endothelial growth inhibitor(VEGI) against S 180 sarcoma in a murine model.
目的：研究血管内皮生长因子(VEGF)对骨肉瘤血管生成、生长、转移及预后的影响。
Objective: to investigate the role of vascular endothelial growth factor (VEGF) on angiogenesis, tumor growth and metastasis in osteosarcoma, and its clinical significance.
前言：目的：研究骨肉瘤中血管内皮生长因子受体(VEG FR 2)KDR的表达情况，及其与微血管密度(MVD)关系。
AIM: to explore the expression of vascular endothelial growth factor receptor (VEGFR) KDR and its relation with microvessel density (MVD).
结果：肉瘤细胞可以穿过血管内皮细胞游走至血管外；肉瘤细胞向血管外的游走能够引起单层血管内皮细胞的电阻下降；
RESULTS: Sarcoma cells migrated through endothelial cells into collagen gel, the electrical resistance of a HUVEC monolayer reduced in extravasation migration of sarcoma cells.
结果：肉瘤细胞可以穿过血管内皮细胞游走至血管外；肉瘤细胞向血管外的游走能够引起单层血管内皮细胞的电阻下降；
RESULTS: Sarcoma cells migrated through endothelial cells into collagen gel, the electrical resistance of a HUVEC monolayer reduced in extravasation migration of sarcoma cells.
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