Fractalkine binding polynucleotides and methods of use
Provided herein are polynucleotides that bind to fractalkine. In one embodiment, a polynucleotide includes the polynucleotide sequence SEQ ID NO:1 or a sequence having at least 80% identity to SEQ ID NO:1. Also provided herein are structures that include such a polynucleotide present on its surface, including 2-dimentional and 3-dimentional structures. Also provided are compositions that include such a polynucleotide, and methods for using the polynucleotides.
1. An isolated polynucleotide comprising the polynucleotide sequence SEQ ID NO:1 or a sequence having at least 83% identity to SEQ ID NO:1, wherein the isolated polynucleotide binds to fractalkine, wherein the isolated polynucleotide is single stranded, and wherein the isolated polynucleotide comprises at the 5′ end, at the 3′ end, or at an internal nucleotide a covalently attached tail.
2. The isolated polynucleotide of claim 1 wherein the isolated polynucleotide is deoxyribonucleic acid.
3. The isolated polynucleotide of claim 1 wherein the isolated polynucleotide comprises at least one modification.
4. The isolated polynucleotide of claim 1 wherein the tail comprises an affinity label.
5. The isolated polynucleotide of claim 1 wherein the tail comprises a hydrophilic group or a hydrophobic group.
6. The isolated polynucleotide of claim 1 wherein the tail comprises an amphiphile.
7. A two-dimensional or three-dimensional surface onto which the isolated polynucleotide of claim 1 is attached.
8. The surface of claim 7 wherein the surface is 3-dimensional.
9. A vesicle comprising the isolated polynucleotide of claim 1 on the surface of the vesicle.
10. A composition comprising the isolated polynucleotide of claim 1 and a pharmaceutically acceptable carrier.
11. A method comprising administering the composition of claim 10 to a subject.
12. The method of claim 11 wherein the subject is a human.
13. A 3-dimensional structure comprising a layer, wherein the layer comprises an attached polynucleotide, wherein the polynucleotide comprises the isolated polynucleotide of claim 1 .
14. The 3-dimensional structure of claim 13 wherein the 3-dimensional structure is a vesicle.
15. The 3-dimensional structure of claim 13 wherein the layer comprises a lipid or a polymer.
16. The 3-dimensional structure of claim 13 wherein the layer comprises a hydrophilic polymer.
17. The 3-dimensional structure of claim 16 wherein the hydrophilic polymer comprises polyethylene glycol molecules.
18. The 3-dimensional structure of claim 13 wherein the isolated polynucleotide is covalently attached to the layer.
19. The 3-dimensional structure of claim 18 wherein the isolated polynucleotide is covalently attached to two or more surfaces of the 3-dimensional structure.
20. The isolated polynucleotide of claim 1 wherein the isolated polynucleotide comprises a sequence having at least 90% identity to SEQ ID NO:1, wherein the isolated polynucleotide binds to fractalkine.
21. The isolated polynucleotide of claim 1 wherein the isolated polynucleotide comprises a sequence having at least 95% identity to SEQ ID NO:1, wherein the isolated polynucleotide binds to fractalkine.
22. The isolated polynucleotide of claim 1 wherein the isolated polynucleotide comprises the polynucleotide sequence SEQ ID NO:1, wherein the isolated polynucleotide binds to fractalkine.
23. The isolated polynucleotide of claim 1 wherein the isolated polynucleotide further comprises a spacer located between the isolated polynucleotide and the tail.