IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0832929
(2001-04-12)
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§371/§102 date |
20020422
(20020422)
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발명자
/ 주소 |
- Rosen, Craig A.
- Haseltine, William A.
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출원인 / 주소 |
- Human Genome Sciences, Inc.
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대리인 / 주소 |
Finnegan, Henderson, Farabow, Garrett &
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인용정보 |
피인용 횟수 :
45 인용 특허 :
40 |
초록
▼
The present invention encompasses albumin fusion proteins. Nucleic acid molecules encoding the albumin fusion proteins of the invention are also encompassed by the invention, as are vectors containing these nucleic acids, host cells transformed with these nucleic acids vectors, and methods of making
The present invention encompasses albumin fusion proteins. Nucleic acid molecules encoding the albumin fusion proteins of the invention are also encompassed by the invention, as are vectors containing these nucleic acids, host cells transformed with these nucleic acids vectors, and methods of making the albumin fusion proteins of the invention and using these nucleic acids, vectors, and/or host cells. Additionally the present invention encompasses pharmaceutical compositions comprising albumin fusion proteins and methods of treating, preventing, or ameliorating diseases, disordrs or conditions using albumin fusion proteins of the invention.
대표청구항
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1. An albumin fusion protein comprising a member selected from the group consisting of:(a) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2) and albumin, wherein albumin comprises the amino acid sequence of SEQ ID NO: 18; (b) an antibody or anti
1. An albumin fusion protein comprising a member selected from the group consisting of:(a) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2) and albumin, wherein albumin comprises the amino acid sequence of SEQ ID NO: 18; (b) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2) and a fragment of the amino acid sequence of SEQ ID NO:18, wherein said fragment of the amino acid sequence of SEQ ID NO:18 has the ability to prolong the shelf-life of the antibody or antibody fragment that specifically binds HER2, compared to the shelf-life of the antibody or antibody fragment that specifically binds HER2, in an unfused state; (c) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2) and a fragment of the amino acid sequence of SEQ ID NO: 18, wherein said fragment has the ability to prolong the shelf-life of the antibody or antibody fragment that specifically binds HER2 compared to the shelf-life of the antibody or antibody fragment that specifically binds HER2, in an unfused state, and further wherein the said fragment comprises amino acid residues 1-387 of SEQ ID NO:18; (d) a fragment of an antibody that specifically binds human epidermal growth factor receptor-2 (HER2) and albumin comprising the amino acid sequence of SEQ ID NO:18, wherein said fragment has a biological activity of the antibody that specifically binds HER2; (e) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2), and albumin, or fragment thereof, of (a) to (d), wherein the antibody or antibody fragment that specifically binds HER2, is fused to the N-terminus of albumin or the N-terminus of the fragment of albumin; (f) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2), and albumin, or fragment thereof, of (a) to (d), wherein the antibody or antibody fragment that specifically binds HER2, is fused to the C-terminus of albumin, or the C-terminus of the fragment of albumin; (g) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2), and albumin or fragment thereof, of (a) to (d), wherein the an antibody or antibody fragment that specifically binds HER2, is fused to the N-terminus and C-terminus of albumin, or the N-terminus and the C-terminus of the fragment of albumin; (h) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2), and albumin or fragment thereof, of (a) to (g), wherein the an antibody or antibody fragment that specifically binds HER2, is separated from the albumin or the fragment of albumin by a linker; and (i) an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2), and albumin or fragment thereof, of (a) to (h), wherein the albumin fusion protein has the following formula: R1-L-R2; R2-L-R1; or R1-L-R2-L-R1, and further wherein R1 is an antibody or antibody fragment that specifically binds HER2, L is a peptide linker, and R2 is albumin comprising the amino acid sequence of SEQ ID NO:18 or a fragment of albumin. 2. The albumin fusion protein of claim 1, wherein the shelf-life of the albumin fusion protein is greater than the shelf-life of the antibody or antibody fragment that specifically binds HER2, in an unfused state.3. The albumin fusion protein of claim 1, wherein the in vitro biological activity of the antibody or antibody fragment that specifically binds HER2, fused to albumin, or fragment thereof, is greater than the in vitro biological activity of the antibody or antibody fragment that specifically binds HER2, in an unfused state.4. The albumin fusion protein of claim 1, wherein the in vivo biological activity of the antibody or antibody fragment that specifically binds HER2, fused to albumin, or fragment thereof, is greater than the in vivo biological activity of the antibody or antibody fragment that specifically binds HER2, in an unfused state.5. An albumin fusion protein comprising an antibody or antibody fragment that specifically binds HER2, inserted into an albumin, or fragment thereof, comprising the amino acid sequence of SEQ ID NO:18 or fragment thereof.6. An albumin fusion protein comprising an antibody or antibody fragment that specifically binds human epidermal growth factor receptor-2 (HER2), inserted into an albumin, or fragment thereof, comprising an amino acid sequence selected from the group consisting of:(a) amino acids residues 54 to 61 of SEQ ID NO:18; (b) amino acids residues 76 to 89 of SEQ ID NO: 18; (c) amino acids residues 92 to 100 of SEQ ID NO:18; (d) amino acids residues 170 to 176 of SEQ ID NO: 18; (e) amino acids residues 247 to 252 of SEQ ID NO: 18; (f) amino acids residues 266 to 277 of SEQ ID NO: 18; (g) amino acids residues 280 to 288 of SEQ ID NO: 18; (h) amino acids residues 362 to 368 of SEQ ID NO: 18; (i) amino acids residues 439 to 447 of SEQ ID NO: 18; (j) amino acids residues 462 to 475 of SEQ ID NO:18; (k) amino acids residues 478 to 486 of SEQ ID NO: 18; and (l) amino acids residues 560 to 566 of SEQ ID NO:18. 7. The albumin fusion protein of claim 5, wherein said albumin fusion protein comprises a fragment of albumin sufficient to prolong the shelf-life of the antibody or antibody fragment that specifically binds HER2, as compared to the shelf-life of the antibody or antibody fragment that specifically binds HER2, in an unfused state.8. The albumin fusion protein of claim 6, wherein said albumin fusion protein comprises a fragment of albumin sufficient to prolong the shelf-life of the antibody or antibody fragment that specifically binds HER2, as compared to the shelf-life of the antibody or antibody fragment that specifically binds HER2, in an unfused state.9. The albumin fusion protein of claim 5, wherein said albumin fusion protein comprises a fragment of albumin sufficient to prolong the in vitro biological activity of the antibody or antibody fragment that specifically binds HER2, fused to albumin as compared to the in vitro biological activity of the antibody or antibody fragment that specifically binds HER2, in an unfused state.10. The albumin fusion protein of claim 6, wherein said albumin fusion protein comprises a fragment of albumin sufficient to prolong the in vitro biological activity of the antibody or antibody fragment that specifically binds HER2, fused to albumin as compared to the in vitro biological activity of the antibody or antibody fragment that specifically binds HER2, in an unfused state.11. The albumin fusion protein of claim 5, wherein said albumin fusion protein comprises a fragment of albumin sufficient to prolong the in vivo biological activity of the antibody or antibody fragment that specifically binds HER2, fused to albumin as compared to the in vivo biological activity of the antibody or antibody fragment that specifically binds HER2, in an unfused state.12. The albumin fusion protein of claim 6, wherein said albumin fusion protein comprises a fragment of albumin sufficient to prolong the in vivo biological activity of the antibody or antibody fragment that specifically binds HER2, fused to albumin as compared to the in vivo biological activity of the antibody or antibody fragment that specifically binds HER2, in an unfused state.13. The albumin fusion protein of any one of claims 1-12, which is non-glycosylated.14. The albumin fusion protein of any one of claims 1-12, which is expressed in yeast.15. The albumin fusion protein of claim 14, wherein the yeast is glycosylation deficient.16. The albumin fusion protein of claim 14, wherein the yeast is glycosylation and protease deficient.17. The albumin fusion protein of any one of claims 1-12, which is expressed by a mammalian cell.18. The albumin fusion protein of any one of claims 1-12, wherein the albumin fusion protein is expressed by a mammalian cell in culture.19. The albumin fusion protein of any one of claims 1-12, wherein the albumin fusion protein further comprises a secretion leader sequence.20. A composition comprising the albumin fusion protein of any one of claims 1-12 and a pharmaceutically acceptable carrier.21. A kit comprising the composition of claim 20.22. A method of extending the shelf-life of an antibody that specifically binds human epidermal growth factor receptor-2 (HER2) or fragment thereof, comprising the step of fusing the antibody that specifically binds HER2 or fragment thereof, to albumin or albumin fragment, sufficient to extend the shelf-life of the antibody that specifically binds HER2 or fragment thereof, compared to the shelf-life of the antibody that specifically binds HER2 or fragment thereof, in an unfused state.23. A nucleic acid molecule comprising a polynucleotide sequence encoding the albumin fusion protein of any one of claims 1-12.24. A vector comprising, the nucleic acid molecule of claim 23.25. A host cell comprising the nucleic acid molecule of claim 24.
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