Tracking differentiating neural progenitors in pluripotent cultures using microRNA-regulated lentiviral vectors.

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Publisher: National Academy of Sciences
Document Type: Report; Author abstract; Brief article
Length: 136 words

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Abstract :

In this study, we have used a microRNA-regulated lentiviral reporter system to visualize and segregate differentiating neuronal cells in pluripotent cultures. Efficient suppression of transgene expression, specifically in undifferentiated pluripotent cells, was achieved by using a lentiviral vector expressing a fluorescent reporter gene regulated by microRNA-292. Using this strategy, it was possible to track progeny from murine ES, human ES cells, and induced pluripotent stem cells as they differentiated toward the neural lineage. In addition, this strategy was successfully used to FACS purify neuronal progenitors for molecular analysis and transplantation. FACS enrichment reduced tumor formation and increased survival of ES cell-derived neuronal progenitors after transplantation. The properties and versatility of the microRNA-regulated vectors allows broad use of these vectors in stem cell applications. ES | induced pluripotent stem cells | stem cells | transplantation doi/ 10.1073/pnas.1006568107

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Gale Document Number: GALE|A230957237