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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0535484 (2014-11-07) |
등록번호 | US-9701965 (2017-07-11) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 395 |
Provided are compositions and methods for delivering biological moieties such as modified nucleic acids into cells to modulate protein expression. Such compositions and methods include the use of modified messenger RNAs, and are useful for production of proteins.
1. A method of producing in a cell a secreted immunoglobulin having a heavy chain and a light chain, comprising: i) providing a target cell capable of protein translation;ii) introducing into the target cell a composition comprising: a) a first isolated nucleic acid, wherein the first isolated nucle
1. A method of producing in a cell a secreted immunoglobulin having a heavy chain and a light chain, comprising: i) providing a target cell capable of protein translation;ii) introducing into the target cell a composition comprising: a) a first isolated nucleic acid, wherein the first isolated nucleic acid comprises a first translatable region having at least 95% identity to SEQ ID NO: 5 which encodes the same polypeptide as encoded by SEQ ID NO: 5, andb) a second isolated nucleic acid, wherein the second isolated nucleic acid comprises a second translatable region having at least 95% identity to SEQ ID NO: 7 which encodes the same polypeptide as encoded by SEQ ID NO: 7; andiii) substantially purifying the secreted immunoglobulin. 2. The method of claim 1, wherein the target cell is a mammalian cell. 3. The method of claim 1, wherein the first isolated nucleic acid and the second isolated nucleic acid are formulated in a lipid-based delivery molecule. 4. The method of claim 1, wherein the first isolated nucleic acid and the second isolated nucleic acid in the composition are in a 1:1 ratio. 5. The method of claim 1, wherein the first translatable region has at least 99% identity to SEQ ID NO: 5 and the second translatable region has at least 99% identity to SEQ ID NO: 7. 6. The method of claim 1, wherein the first translatable region consists of the nucleic acid sequence set forth in SEQ ID NO: 5 and the second translatable region consists of the nucleic acid sequence set forth in SEQ ID NO: 7. 7. The method of claim 1, wherein the first isolated nucleic acid comprises a first 5′ untranslated region (UTR) at the 5′ end of the first translatable region and a first 3′ UTR at the 3′ end of the first translatable region and the second isolated nucleic acid comprises a second 5′ UTR at the 5′ end of the second translatable region and a second 3′ UTR at the 3′ end of the second translatable region. 8. The method of claim 7, wherein the first 5′ UTR and the second 5′ UTR each comprises a strong Kozak translational initiation signal. 9. The method of claim 7, wherein the first isolated nucleic acid and the second isolated nucleic acid each independently comprises a poly A tail. 10. The method of claim 7, wherein the first isolated nucleic acid and the second isolated nucleic acid each independently comprises a 5′ cap. 11. The method of claim 10, wherein the 5′ cap is Cap 1. 12. The method of claim 1, wherein the first isolated nucleic acid is an mRNA and the second isolated nucleic acid is an mRNA. 13. The method of claim 12, wherein the first isolated nucleic acid and the second isolated nucleic acid comprise a nucleoside modification. 14. The method of claim 13, wherein the nucleoside modification is pseudouridine. 15. The method of claim 13, wherein the nucleoside modification is 1-methyl-pseudouridine. 16. The method of claim 1 further comprising measuring the binding of the secreted immunoglobulin to an antigen.
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