Monitoring rAAV6 transduction of HSPCs by qPCR of the vector genome relative to an albumin standard, we found no significant difference between plating conditions and number of vgs per cell over time; however, we did observe a positive trend in the number of vgs/cell with low-density culture conditions 8 and 24 hr post-transduction ( Figure 4 E).
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Priming Human Repopulating Hematopoietic Stem and Progenitor Cells for Cas9/sgRNA Gene Targeting.
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This demonstrated a clear trend between the expansion of cells in culture before gene targeting and the percentage of cells that underwent HR, which was CD34 + cell source (CB and PB) and donor independent.