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Table 4 Factors affecting transfection efficiency with nonviral vectors.

From: Nonviral Vector Gene Modification of Stem Cells for Myocardial Repair

Nonviral vector formulation

 

Size of the lipid particle or liposome

Type of the lipid (saturated or unsaturated, branched or unbranched carbon chain, etc.)

Residual charge or zeta potential on the lipid/DNA complex

Size of the lipid/DNA complex

Ratio between lipid and DNA

Protective effect of lipid formulation against nuclease degradation

Stability under different storage conditions Incubation time and temperature

Biological

 

Type of cell

Degree of cell confluence at the time of transfection

Presence or absence of serum

Nature of target tissue

Route of administration Nucleocytoplasmic trafficking of DNA