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BioVector® MMNK-1是一种高度分化的永生化人胆管上皮细胞株。
来源: 人胎儿肝脏(OUMS-21)。
细胞类型: 永生化正常胆管细胞。
永生化方法: 通过转导 SV40 大T抗原 (SV40T) 和人端粒酶逆转录酶 (hTERT) 实现。
形态: 上皮样(epithelial-like)。
细胞标志物: 表达胆管细胞特异性标志物,包括 细胞角蛋白-7 (CK-7) 和 细胞角蛋白-19 (CK-19)。
功能特性:
在 Matrigel 实验中可形成胆管样管状结构。
经脂多糖 (LPS) 处理后产生 白细胞介素-6 (IL-6)。
移植到免疫缺陷小鼠体内后可发育出胆管样结构。
可逆性: 载体中含有 LoxP 位点,通过 Cre 重组酶处理可切除 SV40T 基因,从而恢复非永生化表型。
培养基: 常用 DMEM 培养基,添加 5-10% 胎牛血清 (FBS)。
注:部分实验室使用添加 EGM-2 补充因子的 MCDB-131 改良培养基。
传代: 建议使用 Accutase 消化处理;倍增时间约 26-32 小时。
环境: 37°C,5% CO₂。
限制: 原始寄托者通常不建议使用胶原涂层培养皿,因为可能会改变细胞特性。
BioVector® MMNK-1 is a highly differentiated, immortalized human cholangiocyte (bile duct epithelial) cell line.
Origin: Human fetal liver.
Cell Type: Immortalized normal cholangiocyte.
Immortalization Method: Transduction with SV40 Large T antigen and human telomerase reverse transcriptase (hTERT).
Morphology: Epithelial-like; exhibits highly differentiated characteristics of biliary cells.
Markers: Positive for cholangiocyte-specific markers, including Cytokeratin-7 (CK-7) and Cytokeratin-19 (CK-19).
Functional Traits:
Forms bile duct-like tubular structures in Matrigel assays.
Produces Interleukin-6 (IL-6) upon treatment with Lipopolysaccharide (LPS).
Forms bile duct-like structures when transplanted into immunodeficient mice.
Reversibility: Contains LoxP sites flanking the SV40T gene, allowing for reversion to a non-immortal phenotype upon treatment with Cre recombinase.
Medium: Typically cultured in specialized media such as modified MCDB-131 supplemented with EGM-2 SingleQuots (excluding ascorbic acid, which may be replaced by magnesium salt) and 2–10% FBS.
Passaging: Recommend using Accutase or 0.25% Trypsin; use a 1:10 to 1:20 split ratio.
Environment: 37°C in a 5% CO₂ atmosphere.
Vessels: Collagen-coated dishes are generally not recommended by the original depositor as they may alter cell characteristics.
Supplier生产商:
BioVector NTCC质粒载体菌株细胞蛋白抗体基因保藏中心
E-mail:biovector@163.com
电话:400-800-2947
工作QQ/微信同号:1843439339
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