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Biology
非酶中,预浸润性乳腺癌病变的无血清组织培养的微球体的自然发生
非酶中,预浸润性乳腺癌病变的无血清组织培养的微球体的自然发生
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JoVE Journal Biology
Non-enzymatic, Serum-free Tissue Culture of Pre-invasive Breast Lesions for Spontaneous Generation of Mammospheres

非酶中,预浸润性乳腺癌病变的无血清组织培养的微球体的自然发生

Full Text
13,051 Views
09:49 min
November 8, 2014

DOI: 10.3791/51926-v

Virginia Espina1, Kirsten H. Edmiston2, Lance A. Liotta1

1Center for Applied Proteomics and Molecular Medicine,George Mason University, 2Virginia Surgery Associates

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Please note that some of the translations on this page are AI generated. Click here for the English version.

使用完整的组织组织体原代细胞培养提供了一个模型系统,模仿的多细胞在体内微环境。我们开发了一种无血清乳腺原发上皮细胞组织培养模式,延续了混合细胞培养系,并表现出分化的形态,没有酶的组织破坏。乳房组织体保持活力> 6个月。

以下实验的总体目标是培养含有导管癌或 DCIS 病变区域的非酶破坏无菌乳腺组织,以在体外自发形成乳腺球体。这是通过将含有导管段的小块乳腺组织部分浸没在最小体积的无血清培养基中以实现的,以在类器官内提供氧气和营养梯度。接下来,无干扰地培养类器官,直到上皮细胞和成纤维细胞从开放的导管中出现并附着在组织培养瓶上。

最终,所得自发性 mam ophere 形成的上皮起源可以通过直接显微镜检查和免疫荧光染色来确认。与使用乳腺组织酶解离的现有方法相比,该技术的主要优点是我们的乳腺 DCIS 类器官培养物维持了导管微环境的生物学背景,而不会破坏体内细胞相互作用。虽然这种方法可以为乳腺导管原位癌的生物学提供独特的见解,但 2 也可以应用于其他类型的浸润前肿瘤病变,例如胰腺上皮内或前列腺上皮内瘤变。

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