Targeted delivery of a decoy oligodeoxynucleotide to a single ES cell by femtoinjection.

Targeted delivery of a decoy oligodeoxynucleotide to a single ES cell by femtoinjection.
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通过飞秒注射将诱饵寡脱氧核苷酸靶向递送至单个 ES 细胞。

DOI:
10.1016/j.nano.2013.03.003
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发表时间:
2013
期刊:
影响因子:
5.5
通讯作者:
H. Matsuoka
H. Matsuoka
中科院分区:
医学3区
文献类型:
--
作者:
H. Funabashi;S. Oura;M.Saito;H. Matsuoka

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Femtoinjection已被提出作为一种可行的方法,用于靶向递送诱饵寡脱氧核苷酸(ODN)到单个ES细胞中的转录因子活性的研究。在这里,我们评估了通过飞秒注射在ES细胞模型中递送诱饵ODN的实用性,其中Venus荧光蛋白在tet-off系统的控制下表达。将对照诱饵(Con-decoy)和四环素反应元件诱饵(TRE-decoy)毫微微注射到细胞质中对Venus荧光蛋白表达没有明显影响;然而,将TRE-decoy毫微微注射到细胞核中成功地抑制了Venus荧光蛋白的表达。因此,我们的结论是,这是可行的,以抑制转录因子在一个单一的ES细胞的活动,通过提供一个诱饵ODN到细胞核中使用femtoinjection technology.From临床editorThe作者的这种新的基础科学研究成功地证明了femtoinjection技术,以提供一个诱饵寡脱氧核苷酸到一个单一的ES细胞。
Femtoinjection has been proposed as a feasible approach for the targeted delivery of a decoy oligodeoxynucleotide (ODN) into a single ES cell for the study of transcription factor activity. Here, we evaluated the utility of decoy ODN delivery via femtoinjection in an ES cell model in which Venus fluorescent protein was expressed under the control of the tet-off system. Femtoinjection of a control decoy (Con-decoy) and a tetracycline response element decoy (TRE-decoy) into the cytoplasm had no apparent effect on Venus fluorescent protein expression; however, femtoinjection of the TRE-decoy into the nucleus successfully suppressed expression of the Venus fluorescent protein. We therefore conclude that it is feasible to suppress the activity of a transcription factor in a single ES cell by the delivery of a decoy ODN into the nucleus using the femtoinjection technique.From the Clinical EditorThe authors of this novel basic science study successfully demonstrate a femtoinjection technique to deliver a decoy oligodeoxynucleotide into a single ES cell.
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