ity
is observed, remove the transfection complexes by centrifugation after a
23 hour incubation period. Remove the medium from the cell pellet, resuspend
cells in fresh medium (containing serum and antibiotics), and incubate for
gene expression.
For Effectene Reagent:
For adherent and suspension cells, results show that in many cases, removal
of transfection complexes is not necessary. However, if cytotoxicity is
observed, remove the EffecteneDNA complexes 618 h after addition, wash
with PBS, and replace with fresh medium (containing serum and antibiotics),
and incubate for gene expression.
Troubleshooting Guide
The following troubleshooting guide is helpful if lower transfection efficiencies
or higher cytotoxicity than expected is observed. Comments and suggestions
are listed in the order in which they should be considered.
Observation
Possible Cause
Comments and Suggestions
Low transfection efficiency
Transfection Reagent to DNA ratio is sub-optimal
If the ratio of Transfection Reagent to DNA is sub-optimal,
the overall charge of the complexes may be negative, neutral or strongly
positive, which can lead to inefficient adsorption to the cell surface.
Optimize the Transfection Reagent to DNA ratio according to the optimization
section.
Insufficient amount of Transfection Reagent DNA
complex
If the transfection ef
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