Selective DNA delivery to tumor cells using an oligoarginine-LTVSPWY peptide.

Selective DNA delivery to tumor cells using an oligoarginine-LTVSPWY peptide.
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使用寡精氨酸-LTVSPWY 肽将 DNA 选择性递送至肿瘤细胞

DOI:
10.1371/journal.pone.0110632
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Zhang YH
Zhang YH
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Gong C;Pan D;Qiu F;Sun P;Zhang YH

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癌症的DNA治疗需要高效、选择性和安全的DNA传递系统。与其他非病毒方法,如脂质或基于聚合物的DNA传递载体相比,基于肽的DNA传递系统具有生物相容性和可生物降解性,这使得免疫原性和毒性更低。此外,由于固相肽合成已经得到了广泛的发展,肽载体更容易生产,其组成也更容易控制。然而,目前仍缺乏以肽为基础的将DNA传递到特殊肿瘤细胞或组织的系统。在本研究中,我们构建了一种基于9rR-LTVSPWY肽的非病毒DNA传递系统,并证明该系统能够高效、选择性地将DNA转染到靶向肿瘤细胞中。这项工作提出了一种新的肿瘤细胞特异性DNA递送策略,并为设计针对各种类型癌症的更有效的DNA递送系统提供了参考。
DNA therapy for cancer requires efficient, selective and safe DNA delivery systems. Compared with other non-viral methods such as lipid or polymer-based DNA delivery vectors, peptide-based DNA delivery systems are biocompatible and biodegradable, which leads to lower immunogenicity and lower toxicity. Moreover, peptide vectors are easier to produce and their compositions easier to control because solid-phase peptide synthesis has been extensively developed. However, peptide-based systems for DNA delivery toward special tumor cells or tissues are still lacking. In this study, we constructed a non-viral 9rR-LTVSPWY peptide-based DNA delivery system and showed that it is able to efficiently and selectively transfect DNA into targeted tumor cells. This work presents a novel strategy for tumor cell-specific DNA delivery and a reference for designing more efficient DNA delivery systems targeted towards various types of cancer.
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