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Lab Chip. 2011 Nov 21;11(22):3908-14. doi: 10.1039/c1lc20447e. Epub 2011 Sep 27.

Monitoring mRNA in living cells in a 3D in vitro model using TAT-peptide linked molecular beacons.

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Network of Excellence for Functional Biomaterials (NFB), National University of Ireland, Galway, Ireland.


There is a growing need for the development of in vitro 3D cell culture models for assessing newer therapeutics for clinical applications and mechanisms of human pathology. Molecular beacons have been successfully delivered in two-dimensional (2D) systems to monitor, detect, and localize specific mRNA expression in living cells at the single cell level. However, to date the use of molecular beacons in three-dimensional (3D) systems has not been reported. To translate this technology into specific clinical targeted applications, it is critical to develop and demonstrate efficacy in a 3D system. For the first time the use of TAT-peptide conjugated molecular beacons to monitor mRNA in a 3D in vitro system has been reported.

[Indexed for MEDLINE]

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