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US 7,732,420 B2Granted
Combinations of transfection lipids exhibiting increased transfection efficiencies
AssigneeNorthwestern University
InventorsRobert C. MacDonald, Li Wang
Life of this patent
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Abstract
The present invention provides optimized transfection reagents comprising mixtures of cationiclipoids. In particular, the present invention provides DNA delivery vehicles based on identifying the optimal hydrophobicity of novel cationic phospholipid derivatives that, alone or in combination, form complexes with DNA (lipoplexes) and exhibit enhanced transfection activity.
Claims3
A composition comprising:
- lipoid transfection reagents comprising a combination of cationic lipids selected from the group consisting of:
- EDLPC and EDOPC, EDLPC and EDMPC, EDOPC and di-C14-dimethlyammonium, EDOPC and EDiphytanoyl PC, and ditetradecyldimethylammonium and dioctadecylammonium, wherein said transfection reagents have a higher transfection efficiency compared to said reagents that have only one member of said combination of cationic lipids.
Dependencies are inferred from the claim text.