A peptidomimetic siRNA transfection reagent for highly effective gene silencing.

Abstract:

:RNA interference (RNAi) techniques hold forth great promise for therapeutic silencing of deleterious genes. However, clinical applications of RNAi require the development of safe and efficient methods for intracellular delivery of small interfering RNA (siRNA) oligonucleotides specific to targeted genes. We describe the use of a lipitoid, a cationic oligopeptoid-phospholipid conjugate, for non-viral transfection of synthetic siRNA oligos in cell culture. This peptidomimetic delivery vehicle allows for efficient siRNA transfection in a variety of human cell lines with negligible toxicity and promotes extensive downregulation of the targeted genes at both the protein and the mRNA level. We compare the lipitoid reagent to a standard commercial transfection reagent. The lipitoid is highly efficient even in primary IMR-90 human lung fibroblasts in which other commercial reagents are typically ineffective.

journal_name

Mol Biosyst

journal_title

Molecular bioSystems

authors

Utku Y,Dehan E,Ouerfelli O,Piano F,Zuckermann RN,Pagano M,Kirshenbaum K

doi

10.1039/b603229j

subject

Has Abstract

pub_date

2006-06-01 00:00:00

pages

312-7

issue

6-7

eissn

1742-206X

issn

1742-2051

journal_volume

2

pub_type

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