Methods of delivery using cationic lipids and helper lipids
US6235310A · kind A · utility
47Cited by
4References
40Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 3, 1998 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Apr 3, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1272
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Methods and compositions are provided for the introduction of polyanionic molecules, in particular, nucleic acids, into mammalian cells using certain phosphatidyl ethanolamines as helper lipids in conjunction with various cationic lipids. In particular, cationic lipid-mediated transfection of mammalian cells is improved by the use of lipid carriers comprising DLPE or DiPPE and cationic lipids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.