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题目:: The chick chorioallantoic membrane as a model system for the study of tissue invasion by viral transformed cells.
作者:: Scher(C),Haudenschild(C),Klagsbrun(M)
状态:: 发布时间1976-11-01 , 更新时间 2006-11-15
期刊:: Cell
摘要:: The chick chorioallantoic membrane (CAM) was used as an assay system to investigate the the invasive properties of viral transformed NIH/3Y3 cells. Scanning electron microscopy demonstrated that single Kirsten sarcoma virus (KiSV)-transformed cells passed between the epithelial cells of the CAM ectoderm within 6 hr of application, while viable NIH/3T3 cells did not penetrate the ectoderm within 24 hr. The transformed cells entered the mesoderm of the CAM and formed tumors of proliferating cells. The application of 5 X 10(5) KiSV-transformed cells resulted in the formation of donor cells resulted in the formation of the donor cell tumors within 5 days in 43% of the membranes. No tumors were formed when as many as 5 X 10(6) NIH/3T3 cells were applied to the membrane. NIH/3T3 cells transformed by the Abelson leukemia virus or the Moloney sarcoma virus also ivaded the CAM and formed tumors of proliferating cells within the mesoderm, while cells infected with the Moloney leukemia virus did not. NIH/3T3 cells inoculated onto the CAM 8 days after infection and transformation with KiSV formed tumors with a frequency similar to that of KiSV transformed cells that have been passaged in culture for many generations. Cells that formed invasive tumors within the mesoderm also attracted loops of host blood vessels.
语言:: eng
DOI:

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