One-step immortalization of primary human airway epithelial cells capable of oncogenic transformation.

One-step immortalization of primary human airway epithelial cells capable of oncogenic transformation.
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DOI:
10.1186/s13578-016-0122-6
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发表时间:
2016
期刊:
影响因子:
7.5
通讯作者:
Luo J
Luo J
中科院分区:
生物学2区
文献类型:
--
作者:
Smith JL;Lee LC;Read A;Li Q;Yu B;Lee CS;Luo J

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通过引入确定的遗传改变将正常人类细胞转化为癌细胞的能力是理解肿瘤发生机制的有价值的方法。从各种组织中容易地建立永生化但非转化的人类细胞将有助于这些遗传分析。我们在这里报告了一个简单的,一步永生化的方法,涉及逆转录病毒载体介导的共表达的人端粒酶蛋白和靶向CDKN 2A基因座的shRNA。我们证明,这种方法可以成功地永生化人类小气道上皮细胞,同时保持其染色体的稳定性。我们进一步表明,这些细胞保留了p53活性,并可被KRAS癌基因转化。 我们的方法简化了永生化过程,并广泛适用于建立永生化上皮细胞系从原代人类组织的癌症研究。
The ability to transform normal human cells into cancer cells with the introduction of defined genetic alterations is a valuable method for understanding the mechanisms of oncogenesis. Easy establishment of immortalized but non-transformed human cells from various tissues would facilitate these genetic analyses. We report here a simple, one-step immortalization method that involves retroviral vector mediated co-expression of the human telomerase protein and a shRNA targeting the CDKN2A gene locus. We demonstrate that this method could successfully immortalize human small airway epithelial cells while maintaining their chromosomal stability. We further showed that these cells retain p53 activity and can be transformed by the KRAS oncogene. Our method simplifies the immortalization process and is broadly applicable for establishing immortalized epithelial cell lines from primary human tissues for cancer research.
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