Immortalizing oncogenes subvert the establishment of granule cell identity in developing cerebellum.

Immortalizing oncogenes subvert the establishment of granule cell identity in developing cerebellum.
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永生化癌基因颠覆了发育中小脑中颗粒细胞身份的建立。

DOI:
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发表时间:
1994
期刊:
影响因子:
4.6
通讯作者:
M. Hatten
M. Hatten
中科院分区:
生物学2区
文献类型:
--
作者:
Wei;M. Hatten

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在植入出生后早期小脑的外部生发层后,初级外部生发层祖细胞专门产生颗粒神经元。相比之下,在胚胎第13天小脑前体细胞植入外部生发层后,观察到所有主要类别的小脑细胞。这些结果表明颗粒细胞起源于潜力有限的前体细胞。与原代外部生发层群体的结果相反,通过用含有SV40大T抗原癌基因的逆转录病毒感染,从外部生发层细胞建立的细胞系在植入后产生几种小脑细胞类型。这些包括颗粒神经元、星状中间神经元的一个亚类、高尔基细胞、伯格曼神经胶质细胞和星形胶质细胞。从这些结果中,我们得出结论,出生后早期外部生发层祖细胞通常注定具有颗粒细胞身份,并且 SV40 大 T 抗原癌基因的表达颠覆了控制颗粒神经元命运的机制。
After implantation into the external germinal layer of early postnatal cerebellum, primary external germinal layer progenitor cells gave rise exclusively to granule neurons. In contrast, all major classes of cerebellar cells were observed following implantation of embryonic day 13 cerebellar precursor cells into the external germinal layer. These results suggest that granule cells arise from precursors with a restricted potential. In contrast to results with the primary external germinal layer population, cell lines established from external germinal layer cells, by infection with a retrovirus containing the SV40 large T-antigen oncogene, gave rise to several cerebellar cell types upon implantation. These included granule neurons, one subclass of stellate interneurons, Golgi cells, Bergmann glia and astrocytes. From these results, we conclude that early postnatal external germinal layer progenitors are normally fated to a granule cell identity and that expression of the SV40 large T-antigen oncogene subverts mechanisms that control granule neuron fate.
DOI: --
发表时间: 1991-11
期刊: Development
影响因子: 4.6
作者:
G. Fishell;M. Hatten
通讯作者: G. Fishell;M. Hatten
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发表时间: 1993
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影响因子: --
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期刊: Science (New York, N.Y.)
影响因子: --
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DOI: --
发表时间: 1982
期刊: Blood
影响因子: 20.3
作者:
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