| 描述 | MCF 10A细胞株是一个非致瘤的上皮细胞株。 这株细胞通过在低钙离子浓度的无血清培养液中长时间培养而得到。MCF 10A是从群体中的贴壁细胞繁衍得到的。也有从悬浮群体繁衍得到的细胞(见MCF 10F, ATCC CRL-10318)。 细胞呈唾液酸粘蛋白阳性, 细胞角蛋白阳性, 牛奶脂肪球抗原阳性。在胶原中表现出三维生长, 并在长满后形成圆顶状。 因而, 细胞没有终端分化或蓑老的表型。这株细胞对胰岛素、糖皮质激素、霍乱毒素和表皮生长因子(EGF)有响应。 在电子显微镜下特征象灯管细胞而不象肌上皮细胞。 通过MFA-Breast和MC-5单克隆抗体检测阳性表明它表达乳房特异性抗原。 培养液中的钙离子浓度对细胞形态有重要影响。 |
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