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    • 170. 发明申请
    • Nanoparticle-Based Gene Delivery Systems
    • 基于纳米粒子的基因递送系统
    • US20110229966A1
    • 2011-09-22
    • US12809996
    • 2010-03-18
    • Min Su HanKangseok LeeDong-Eun Kim
    • Min Su HanKangseok LeeDong-Eun Kim
    • C12N5/00
    • C12N15/113A61K31/7105A61K31/713A61K47/6923C12N15/111C12N15/87C12N15/89C12N2310/11C12N2310/127C12N2310/14C12N2310/351C12N2310/51C12N2310/531C12N2320/32Y10S977/773
    • The present invention provides a gene delivery system containing nanoparticles. In more detail, the present invention provides a gene delivery system containing (a) a nanomaterial; (b) an oligonucleotide as an universal binding partner covalently linked to the surface of the nanomaterial; and (c) a cargo comprising (i) a complementary oligonucleotide containing a nucleotide sequence complementary to the universal binding partner as a binding counter-partner, and (ii) an inhibitory molecule having a nucleotide sequence complementary to a target gene of interest to be inhibited or an inducible molecule having a nucleotide sequence of a target gene of interest to be expressed. The present invention is a gene delivery system capable of feasibly deliver aptamer, siRNA, shRNA, miRNA, ribozyme, DNAzyme, PNA or gene as well as antisense oligonucleotide into the cells. In addition, the present invention is more efficient than the commercially available gene transfer reagent in respect to the degree of knockdown of target protein expression.
    • 本发明提供含有纳米颗粒的基因递送系统。 更详细地,本发明提供了一种基因递送系统,其包含(a)纳米材料; (b)与纳米材料的表面共价连接的通用结合配偶体的寡核苷酸; (c)货物,其包含(i)含有与通用结合配偶体互补的核苷酸序列作为结合对配体的互补寡核苷酸,和(ii)具有与目的靶基因互补的核苷酸序列的抑制性分子, 或具有待表达的靶基因的核苷酸序列的诱导型分子。 本发明是能够将适体,siRNA,shRNA,miRNA,核酶,DNA酶,PNA或基因以及反义寡核苷酸可行地递送到细胞中的基因递送系统。 此外,与靶蛋白质表达的敲低程度相比,本发明比市售的基因转移试剂更有效。