Detection of alternative splicing of fibronectin mRNA in a single cell.

Detection of alternative splicing of fibronectin mRNA in a single cell.
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检测单个细胞中纤连蛋白 mRNA 的选择性剪接。

DOI:
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发表时间:
1998
影响因子:
4
通讯作者:
M. Nishiyama
M. Nishiyama
中科院分区:
生物学2区
文献类型:
--
作者:
T. Kumazaki;Y. Mitsui;K. Hamada;H. Sumida;M. Nishiyama

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前纤连蛋白mRNA在EDA、EDB和IIICS三个位点进行选择性剪接。我们分析了单个细胞中纤连蛋白mRNA的选择性剪接。逆转录-聚合酶链反应分析显示,在这些位点中的每一个产生单一形式的mRNA的细胞以及在给定位点产生多种形式的细胞:例如,一些细胞产生EDA(+)或EDA(-)形式的mRNA,而其他细胞产生两种形式。约80%的细胞在EDA和EDB位点产生(+)和(-)形式的mRNA,其余细胞含有(+)或(-)形式。五种形式的纤连蛋白mRNA可以导致在IIICS网站的选择性剪接。在单个细胞中观察到复杂的可变剪接产物组合:相对于IIICS位点,有10种不同的mRNA亚型组合。在细胞衰老过程中,观察到IIICS位点的可变剪接发生统计学显著变化。
Pre-fibronectin mRNA is subject to alternative splicing at three sites, EDA, EDB and IIICS. We analyzed the alternative splicing of fibronectin mRNA in a single cell. Reverse transcription-polymerase chain reaction analyses showed cells that produced a single form of mRNA at each one of these sites as well as cells that produced multiple forms at a given site: for example, some cells produced either the EDA(+) or EDA(-) form of the mRNA and other cells produced both forms. About 80% of the cells produced both (+) and (-) forms of the mRNA at the EDA and EDB sites, and the remaining cells contained either the (+) or (-) form. Five forms of fibronectin mRNA can result from alternative splicing at the IIICS site. Complex combinations of alternative splicing products were observed among the individual cells: there were ten different combinations of mRNA isoforms with respect to the IIICS site. Statistically significant changes in alternative splicing at the IIICS site were observed during cellular senescence.
鉴定人血浆纤连蛋白 III 型连接段的两个不同区域,促进细胞类型特异性粘附。
DOI: --
发表时间: 1987
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纤连蛋白的选择性剪接在鸡胚胎中受到时间和空间上的调节。
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DOI: --
发表时间: 1991
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影响因子: --
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