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Spatial control of cell transfection using soluble or solid-phase redox agents and a redox-active ferrocenyl lipid.


ABSTRACT: We report principles for active, user-defined control over the locations and timing with which DNA is expressed in cells. Our approach exploits unique properties of a ferrocenyl cationic lipid that is inactive when oxidized, but active when chemically reduced. We show that methods that exert spatial control over the administration of reducing agents can lead to local activation of lipoplexes and spatial control over gene expression. The versatility of this approach is demonstrated using both soluble and solid-phase reducing agents. These methods provide control over cell transfection, including methods for remote activation and the patterning of expression using solid-phase redox agents, that are difficult to achieve using conventional lipoplexes.

SUBMITTER: Aytar BS 

PROVIDER: S-EPMC3789068 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Spatial control of cell transfection using soluble or solid-phase redox agents and a redox-active ferrocenyl lipid.

Aytar Burcu S BS   Muller John P E JP   Kondo Yukishige Y   Abbott Nicholas L NL   Lynn David M DM  

ACS applied materials & interfaces 20130828 17


We report principles for active, user-defined control over the locations and timing with which DNA is expressed in cells. Our approach exploits unique properties of a ferrocenyl cationic lipid that is inactive when oxidized, but active when chemically reduced. We show that methods that exert spatial control over the administration of reducing agents can lead to local activation of lipoplexes and spatial control over gene expression. The versatility of this approach is demonstrated using both sol  ...[more]

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