Peptide-substituted oligonucleotide synthesis and non-toxic, passive cell delivery.
Peptide-substituted oligonucleotide synthesis and non-toxic, passive cell delivery.
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DOI:
10.1038/sigtrans.2016.19
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发表时间:
2016
影响因子:
39.3
通讯作者:
Caruthers MH
中科院分区:
文献类型:
--
作者:
Shang S;Monfregola L;Caruthers MH
Chemically modified oligodeoxynucleotides (ODNs) are known to modulate gene expression by interacting with RNA. An efficient approach for synthesizing amino acid- or peptide-substituted triazolylphosphonate analogs (TP ODNs) has been developed to provide improved stability and cell uptake. The chemistry is quite general, as peptides can be introduced throughout the TP ODN at any preselected internucleotide linkage. These synthetic TP ODNs enter cells through endocytosis in the absence of transfection reagents and localize into perinuclear organelles. The entrapped ODNs are released into the cytoplasm by treatment with endosomal-releasing agents and several are then active as microRNA inhibitors.
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DOI:
10.1073/pnas.051630198
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DOI:
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发表时间:
2010-04-01
期刊:
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