Transduction of human and mouse pancreatic islet cells using a bicistronic recombinant adeno-associated viral vector.

Transduction of human and mouse pancreatic islet cells using a bicistronic recombinant adeno-associated viral vector.
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使用双顺反子重组腺相关病毒载体转导人和小鼠胰岛细胞。

DOI:
10.1006/mthe.2002.0522
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发表时间:
2002
期刊:
Molecular therapy : the journal of the American Society of Gene Therapy
影响因子:
--
通讯作者:
Agarwal,Anupam
Agarwal,Anupam
中科院分区:
--
文献类型:
--
作者:
Kapturczak,Matthias;Zolotukhin,Sergei;Cross,Jeff;Pileggi,Antonello;Molano,RDamaris;Jorgensen,Marda;Byrne,Barry;Flotte,TerenceR;Ellis,Tamir;Inverardi,Luca;Ricordi,Camillo;Nick,Harry;Atkinson,Mark;Agarwal,Anupam

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最近的报道表明使用重组腺相关病毒(rAAV)载体成功地转导胰岛。这一进展提供了新的可能性,使胰岛抵抗排斥反应和复发的自身免疫性破坏的设置胰岛移植治疗1型糖尿病。迄今为止,大多数使用胰岛的基因递送方法涉及用单个基因转导。然而,同时递送一种以上编码细胞保护和/或免疫调节分子的基因可提供上级临床效用。在这里,我们已经产生了一个双顺反子rAAV(血清型2)载体纳入病毒内部核糖体进入位点(IRES),来自脊髓灰质炎病毒1型,允许翻译的两个耦合的cDNA从一个单一的mRNA转录。我们的研究表明,该载体的能力,产生显着表达的两个报告蛋白在人类和小鼠胰岛体外。这种表达不干扰β细胞功能。转导在小鼠胰岛移植后体内进行。这些数据是第一次报告的有效的胰岛细胞转导与两个基因使用一个单一的双顺反子rAAV载体,并有直接的影响,旨在提高胰岛移植存活的策略。
Recent reports indicate successful transduction of pancreatic islets using recombinant adeno-associated viral (rAAV) vectors. This advance offers new possibilities in rendering islets resistant to rejection and recurrence of autoimmune destruction in the setting of islet transplantation as treatment of type 1 diabetes. Most gene delivery approaches using islets have thus far involved transduction with a single gene. However, the concomitant delivery of more than one gene encoding cytoprotective and/or immunoregulatory molecules may offer superior clinical utility. Here, we have generated a bicistronic rAAV (serotype 2) vector incorporating a viral internal ribosome entry site (IRES), derived from polio virus type 1, to allow for translation of two coupled cDNAs from a single mRNA transcript. Our study demonstrates the ability of this vector to produce significant expression of two reporter proteins in human and mouse isletsin vitro. This expression did not interfere with β-cell function. Transduction was maintainedin vivofollowing transplantation of mouse islets. These data are the first report of efficient islet cell transduction with two genes using a single bicistronic rAAV vector and have direct implications for strategies aimed at enhancing islet transplant survival.
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影响因子: 11.1
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