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Effect of hepatoma H22 on lymphatic endothelium in vitro

World Journal of Gastroenterology 2004年第23期10卷 3428-3432页

作者： HuaYu Hong-ZhiZhou Chun-MeiWang xiao-minggu Bo-RongPan ElectronMicroscopyCenter SchoolofBasicMedicineFourthMilitaryMedicalUniversityXi'an710032ShaanxiProvinceChina CollegeofStomatology FourthMilitaryMedicalUniversityXi'an710032ShaanxiProvinceChina DepartmentofOncology XijingHospitalFourthMilitaryMedicalUniversityXi'an710032ShaanxiProvinceChina ElectronMicroscopyCenter SchoolofBasicMedicineFourthMilitaryMedicalUniversityXi'an710032ShaanxiProvinceChina

AIM: To determine the effect of metastatic hepatoma cells on lymphangioma-derived endothelium, and to establish in vitro model systems for assessing metastasis-related response of lymphatic ***: Benign lymphangioma, induced by intraperitoneal injection of the incomplete Freund's adjuvant in BALB/c mice, was embedded in fibrin gel or digested and then cultured in the conditioned medium derived from hepatoma H22. Ught and electron microscopy, and the b-answell migration assay were used to determine the effect of H22 on tissue or cell culture. Expressions of Fit-4, c-Fos, proliferating cell nuclear antigen (PCNA), and inducible nitric oxide synthase (iNOS) in cultured cells, and content of nitric oxide in culture medium were also ***: The embedded lymphangioma pieces gave rise to array of capillaries, while separated cells from lymphangioma grew to a cobblestone-like monolayer. H22 activated growth and migration of the capillaries and cells, induced expressions of Flt-4, c-Fos, PCNA and iNOS in cultured cells, and significantly increased the content of NO in the culture ***: Lymphangioma-derived cells keep the differentiated phenotypes of lymphatic endothelium, and the models established in this study are feasible for in vitro study of metastasis-related response of lymphatic endothelium.

关键词：肝细胞H22 淋巴腺内皮细胞淋巴管瘤肿瘤

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