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Do you have any siRNA Nucleofection™ results using concentrations lower than 50nM?

Yes. Please click on the attached Technical Reference Guide: "Designing an RNAi Experiment Using Nucleofection™". On page 3 you can find a table with some examples.

Is it possible to pre-plate substrates when using the 96-well Shuttle™ for Nucleofection™?

Yes, pre-plating of substrates like siRNA and subsequent storage at -20°C is possible.

The animal facility which isolates my hepatocytes is at a different location, should I be concerned about transport time?

Isolated hepatocytes can be transported in Krebs-Henseleit Buffer or supplemented William's E Medium. Long transport time for isolated hepatocytes, (in excess of one hour) can cause a decrease in efficiency of Nucleofection™, but does not seem to...

What kind of protocol you recommend for stimulation of human T cells?

For getting the results we present in our datasheet, we recommend the follwing strategy: Cells should be stimulated and cultivated for 3 days before Nucleofection, preferentially on plates coated with 1 µg/ml anti-CD3 and 2 µg/ml anti-CD28 antibody....

How much DNA can I use when transfecting hepatocytes with the standard Nucleofector™?

We have used up to 6 µg of DNA per 100 µl reaction with no deleterious effect.

Are there any effects on the differentiation of neural stem cells following Nucleofection™?

The ability of transfected rat or mouse neural stem cells to be subsequently differentiated into a variety of cell types is well documented in: Olig2 Overexpression Induces the In Vitro Differentiation of Neural Stem Cells into Mature...

For hepatocytes, is plating density a concern post Nucleofection™?

Yes, the optimized protocols for the standard Nucleofector™ recommend the use of 6 well plates. Plating into a 12-well plate will pose a problem as less cells will attach at high densities.

Four hours after Nucleofection™, I can see the hepatocytes have attached to the well, but the morphology does not look correct, should I be concerned?

There is no reason for alarm. The hepatocytes may not exhibit normal morphology a few hours after Nucleofection™ but by 24 hours post Nucleofection™, morphology should be normal. Remember to perform a fluid change about 4 hours post Nucleofection™.

Can calcium influx issues affect viability of human Mesenchymal Stem Cells (hMSC)?

Yes. When cells are transfected using Nucleofection™, transient pores are generated in the cell membrane. Generally, these pores disappear within 15 minutes of transfection, but if cells are plated immediately after Nucleofection™ in media that...

Can calcium influx issues affect viability or differentiation in Stem Cells after Nucleofection™?

When cells are transfected by Nucleofection™, transient pores are generated in the cell membrane. Generally, these pores disappear within 15 minutes of transfection, but if cells are plated immediately after Nucleofection™ in medias that contain high...

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