Whole-Body Scanning PCR, a Tool for the Visualization of the In Vivo Biodistribution Pattern of Endogenous and Exogenous Oligonucleotides in Rodents.
Methods in molecular biology, November 2015
Boos, Julien A, Beuvink, Iwan, Julien A. Boos, Iwan Beuvink
Characterizing the in vivo biodistribution pattern and relative expression levels of oligonucleotide-based molecules such as mRNA, miRNA, siRNA, and anti-miRNAs in animal models, could be a helpful first-step in the successful development of therapeutic oligonucleotides. Here we describe a simple procedure called "Whole-Body Scanning PCR" (WBS-PCR), which combines the power of PCR with that of imaging. WBS-PCR relies on 384 well-defined extractions across a mouse whole-body section followed by a single dilution step which renders the lysates compatible with various qPCR-based assays. The in vivo biodistribution maps are generated by deconvoluting the qPCR data and converting it into a TissueView compatible image file which can be overlaid with an image of the whole-body section used for extractions. WBS-PCR is a flexible platform that can be adapted to other detection systems and thereby further expand the use of this technology.
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