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    • 83. 发明公开
    • LIGNEES IMMORTALISEES DE CELLULES RETINIENNES ET LEURS APPLICATIONS
    • LIGNEES IMMORTALISEES DE CELLULES RETINIENNES ET LEURS应用
    • EP0833895A1
    • 1998-04-08
    • EP97920791.0
    • 1997-04-18
    • Neurotech S.A.
    • GREENWOOD, JohnADAMSON, PeterLUND, Raymond
    • C12N15C12N5C12P21C12R1
    • C12N5/0621C12N2503/00C12N2510/04
    • The invention features immortalized retina-derived (retinal endothelial or retinal epithelial pigmentary) cell lines capable of being implanted in the retina and of carrying a therapeutic substance to the eye and to the central nervous system. Such lines can also be used as a model for studying blood central nervous system interfaces. These lines are derived from primary retinal cultures selected from the group consisting of primary retinal endothelial cells and primary retinal epithelial cells, comprise a nucleic acid fragment containing at least one immortalizing fragment of a heat-sensitive viral oncogene, which nucleic fragment is optionally associated with at least one selection gene, and have the morphological characteristics and at least the expression characteristics of the surface antigens of corresponding primary cultures.
    • 本发明的特征是永生化的视网膜衍生的(视网膜内皮或视网膜上皮色素)细胞系,其能够植入视网膜并将治疗物质携带到眼睛和中枢神经系统。 这样的线也可以用作研究血液中枢神经系统界面的模型。 这些系源自选自初级视网膜内皮细胞和初级视网膜上皮细胞的初级视网膜培养物,包含含有至少一个热敏病毒癌基因的永生化片段的核酸片段,所述核酸片段任选地与 至少一个选择基因,并且具有相应原代培养物的表面抗原的形态特征和至少表达特征。