Nondestructive measurements of cell persistence and gene expression are crucial for longitudinal research studies and for prognostic assessment of cell therapies. Here we describe S-MiRAGE, a platform that utilizes small… Click to show full abstract
Nondestructive measurements of cell persistence and gene expression are crucial for longitudinal research studies and for prognostic assessment of cell therapies. Here we describe S-MiRAGE, a platform that utilizes small secreted RNA molecules as sensitive and quantitatively accurate reporters of cellular processes. S-MiRAGE allows cellular numbers or gene expression to be measured from culture media or from biofluids. We show that multiple S-MiRAGE reporters can be multiplexed, and demonstrate the utility of S-MiRAGE by monitoring the differentiation status of human embryonic stem cells in vitro and tumor growth in a mouse model in vivo.
               
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