Method and carrier complexes for delivering molecules to cells
The invention relates to carrier complexes and methods for delivering molecules to cells. The carrier complexes comprises a molecule and an aromatic cationic peptide in accordance with the invention. In one embodiment, the method for delivering a molecule to a cell comprises contacting the cell with a carrier complex. In another embodiment, the method for delivering a molecule to a cell comprises contacting the cell with a molecule and an aromatic cationic peptide.
1. A method for delivering a molecule to a cell, the method comprising contacting the cell with a carrier complex, wherein the carrier complex comprises the molecule conjugated to an aromatic cationic peptide, wherein the aromatic cationic peptide is selected from the group consisting of: Tyr-D-Arg-Phe-Lys-NH 2 (DALDA), 2′,6′-Dmt-D-Arg-Phe-Lys-NH 2 (Dmt 1 -DALDA), Phe-D-Arg-Phe-Lys-NH 2 (Phe 1 -DALDA), D-Arg-2′,6′-Dmt-Lys-Phe-NH 2 , and 2′,6′-Dmp-D-Arg-Phe-Lys-NH 2 (Dmp 1 -DALDA); and wherein the molecule is a lipid.
2. A method according to claim 1 , wherein the peptide has the formula Tyr-D-Arg-Phe-Lys-NH 2 (DALDA).
3. A method according to claim 1 , wherein the peptide has the formula 2′,6′-Dmt-D-Arg-Phe-Lys-NH 2 (Dmt 1 -DALDA).
4. A method according to claim 1 , wherein the peptide has the formula Phe-D-Arg-Phe-Lys-NH 2 (Phe 1 -DALDA).
5. A method according to claim 1 , wherein the peptide has the formula D-Arg-2′,6′-Dmt-Lys-Phe-NH 2 .
6. A method according to claim 1 , wherein the peptide has the formula 2′,6′-Dmp-D-Arg-Phe-Lys-NH 2 (Dmp 1 -DALDA).
7. A method according to claim 1 , wherein the cell is a bacterial cell.
8. A method according to claim 1 , wherein the cell is a plant cell.
9. A method according to claim 1 , wherein the cell is an animal cell.
10. A method according to claim 9 , wherein the animal cell is a mammalian cell.
11. A method according to claim 9 , wherein the cell is a neuronal cell.
12. A method according to claim 9 , wherein the cell is a renal epithelial cell.
13. A method according to claim 9 , wherein the cell is an intestinal epithelial cell.
14. A method according to claim 9 , wherein the cell is a vascular endothelial cell.
15. A method according to claim 14 , wherein the endothelial cell is a blood-brain barrier endothelial cell.
16. A method according to claim 9 , wherein the cell is a glial cell.
17. A method according to claim 9 , wherein the cell is a hepatocyte.
18. A method according to claim 1 , wherein the aromatic-cationic peptide comprises a linker.
19. A method according to claim 1 , wherein the molecule comprises a linker.
20. A method according to claim 1 , wherein the molecule and aromatic cationic peptide are chemically bonded.