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    • 16. 发明申请
    • MEGAKARYOCYTIC IN VITRO CELL LINE
    • 体细胞细胞系中的巨噬细胞
    • WO1991013973A1
    • 1991-09-19
    • PCT/US1991001301
    • 1991-02-28
    • CHILDREN'S HOSPITAL MEDICAL CENTERUNIVERSITY OF CINCINNATI
    • CHILDREN'S HOSPITAL MEDICAL CENTERUNIVERSITY OF CINCINNATILIEBERMAN, Michael, A.FUGMAN, Douglas, A.
    • C12N05/08
    • C07K14/495C07K14/503C12N5/0644C12N2502/1394
    • Human monophenotypic cloned cell lines of megakaryocytic lineage are established in vitro through use of adherent stromal cells in long term human bone marrow culture. One cloned in vitro cell line, CHRF-288-11, exhibits a karyotype and markers characteristic of megakaryocytes and platelets. CHRF-288-11 cells express platelet peroxidase, platelet factor IV, platelet CA -ATPase, gpIIbIIIa, factor VIII, and MY7, MY9 and HLA-Dr antigens. CHRF-288-11 cell lines do not express erythroid markers glycophorin A and hemoglobin, myeloid marker myeloperoxidase, nor markers specific for T- and B-cells. CHRF-288-11 cells also express basic FGF and TGF-beta properties. CHRF-288-11 cells exhibit a constant karyotype (50, XY) and displays a doubling time of approximately 33 hours in either 25 % horse or calf serum. Treatment of CHRF-288-11 cells with phorbol 12-myristate 13-acetate (PMA) induces multi-nucleation and hyperploidy with about 35 % of the cells exhibiting two or more nuclei per cell, and greater than 80 % of the cells enlarging in size. CHRF-288-11 cell line is deposited under the Budapest Treaty with American Type Culture Collection, 12301 Parklawn Drive, Rockville, Maryland 20852, under accession no. CRL 10107.
    • 通过在长期人类骨髓培养物中使用贴壁基质细胞体外建立巨核细胞谱系的人类单克隆克隆细胞系。 一个克隆的体外细胞系CHRF-288-11表现出核型和巨核细胞和血小板特征的标记。 CHRF-288-11细胞表达血小板过氧化物酶,血小板因子IV,血小板CA ++,ATP酶,gpIIbIIIa,因子VIII和MY7,MY9和HLA-Dr抗原。 CHRF-288-11细胞系不表达红细胞标志物血型糖蛋白A和血红蛋白,骨髓标志物髓过氧化物酶,也不表示特异于T细胞和B细胞的标志物。 CHRF-288-11细胞也表达基本的FGF和TGF-β特性。 CHRF-288-11细胞表现出恒定的核型(50,XY),在25%的马或小牛血清中显示约33小时的倍增时间。 用佛波醇12-肉豆蔻酸酯13-乙酸酯(PMA)处理CHRF-288-11细胞诱导多核和超倍性,约35%的细胞每个细胞呈现两个或更多个细胞核,大于80%的细胞扩大 尺寸。 CHRF-288-11细胞系根据布达佩斯条约与美国典型培养物保藏中心共享,12301 Parklawn Drive,Rockville,Maryland 20852,登录号: CRL 10107。