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Reproducibility of siRNA delivery between wells and between plates reduces the variability of quantitative phenotypic results and improves the resolution of screening data.
Cell viability increases specificity of the siRNA effect, further improving the likelihood that significant phenotypic differences will be observed.
High Throughput Chemical Reverse
Transfection--For Immortalized Cells
We adapted reverse transfection (a variation of standard transfection that involves transfection in suspension; see "Reverse Transfection" at right) to facilitate high throughput siRNA delivery. Because the procedure features minimal pipetting steps and can be performed using multi-channel pipettors, reverse transfection can be used to deliver siRNAs to approximately 1000 cell samples per hour without robotics. It is also amenable to automation
Efficiency of High Throughput
Reverse Transfection. To assess transfection efficiency, we mixed
different concentrations of a well-characterized GAPDH siRNA
with the versatile siPORT
NeoFX Transfection Agent in wells of a 96 well plate. Five
different cell types were added to the siRNA/lipid complexes to effect
reverse transfection.
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