WO2024248367A1 - 단백질 고효율 발현용 mRNA 구조체 플랫폼 - Google Patents
단백질 고효율 발현용 mRNA 구조체 플랫폼 Download PDFInfo
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Definitions
- the present invention relates to an mRNA structure platform capable of expressing a protein with high efficiency.
- mRNA vaccines which are classified as a relatively new strategy, have been approved for use in the shortest period of time and are still being administered.
- the mRNA vaccine is a nucleic acid-based vaccine that strengthens adaptive immunity by using artificially synthesized mRNA (messenger RNA, a blueprint containing antigen protein information).
- mRNA containing the viral antigen gene is synthesized in vitro, purified to a high purity, and wrapped in LNP (lipid nanoparticle) and administered to the human body.
- LNP lipid nanoparticle
- SARS-CoV-2 is an RNA virus, many mutations occur naturally during the replication process. If a mutation occurs in the area where neutralizing antibodies act, the neutralizing antibodies will not work, which can reduce or eliminate the effectiveness of the vaccine.
- the mRNA is currently being actively applied to develop vaccines for not only infectious diseases but also cancer, and it is expected that its scope of application will expand in the future to develop treatments for various rare genetic diseases and incurable diseases.
- This method delivers disease-causing genes to cells and living organisms in the form of mRNA to supplement the amount or activity of proteins, thereby producing a therapeutic effect. It is the most suitable method for monogenic diseases, which are hereditary diseases caused by defects in a single gene, among which a correlation with the disease has been clearly verified, is caused by a decrease in the amount or activity of a gene.
- AAV adeno-associated virus
- Representative examples include Zolgensma for spinal muscular atrophy, Zynteglo for anemia, and Hemgenix for hemophilia, all of which are astronomical in price, at 2.5-4.5 billion won per dose.
- the packaging capacity of AAV vectors is limited, which limits the size of the gene, and it is still recognized as a limitation, such as an unrealistically high drug price, a significant immune response, and the inability to produce efficacy in patients exposed to the AAV virus due to the formation of neutralizing antibodies.
- mRNA-based therapeutics have the advantage of theoretically having no restrictions on the size of the applicable gene, high safety, relatively low drug prices due to economical pharmaceutical production, and no restrictions on patient groups, which can complement the weaknesses of AAV-based therapeutics.
- mRNA-based therapeutics in order for mRNA to be successful as a therapeutic, it is essential to express the disease gene at a high level and continuously express it for a long period of time. This is because, unlike vaccines that express sufficient antigens with a single administration and form immune memory through an immune response in the body, in the case of therapeutics, it is important to continuously express the disease protein at a high level to achieve a therapeutic effect.
- One object of the present invention is to provide a novel mRNA structure that can be applied as a platform capable of expressing a target protein with high efficiency.
- Another object of the present invention is to provide a pharmaceutical composition comprising the novel mRNA structure.
- one aspect of the present invention provides an mRNA structure including: a base sequence encoding a target protein; a base sequence of a 3'-UTR of ⁇ -globin arranged downstream of the base sequence encoding the target protein; and a base sequence including a repeating unit of (A 60 G)n arranged downstream of the base sequence of the 3'-UTR of ⁇ -globin (wherein, n is an integer from 1 to 3).
- the above mRNA structure may further include a base sequence derived from black beetle virus (BBV) or peste destrade ruminants virus (PPRV) located upstream of the base sequence encoding the target protein.
- BBV black beetle virus
- PPRV destrade despoorinants virus
- the above mRNA structure may further include a base sequence of an IRES (internal ribosome entry site) of EMCV (encephalomyocaditis virus) between the downstream of the base sequence encoding the target protein and the upstream of the base sequence of the 3’-UTR of ⁇ -globin.
- IRES internal ribosome entry site
- EMCV encephalomyocaditis virus
- another aspect of the present invention provides a pharmaceutical composition comprising the mRNA structure.
- the above pharmaceutical composition may be a vaccine or a gene therapy agent.
- the mRNA structure newly designed and derived in the present invention has a much superior expression efficiency in cells compared to the mRNA structures commercialized previously by Moderna or Pfizer-BioNTech, and thus has the advantage of being usefully applied as a platform technology that can be widely utilized in the development of mRNA-based vaccines or therapeutics.
- Figure 1 shows the design of mRNA constructs by applying the base sequences of various cellular genes to 3'-UTRs to derive optimal 3'-UTRs (A), the results of measuring nanoluciferase activity over time after transfecting these mRNA constructs into 293T cells (B), and the results of analyzing the change in relative activity by correcting the nanoluciferase activity to the 12-hour result (C).
- Figure 2 shows the results of designing mRNA structures by applying various viral-derived base sequences to 3'-UTRs to derive the optimal 3'-UTR (A), measuring the activity of nanoluciferase over time after transfecting 293T cells with these mRNA structures (B), and analyzing the change in relative activity by correcting the activity of the nanoluciferase to the 12-hour result (C).
- Figure 3 shows the design of mRNA structures by applying a base sequence in which guanines are inserted in various numbers and intervals into the poly (A) tail to derive the optimal poly (A) tail (A), the results of measuring the activity of nanoluciferase over time after transfecting these mRNA structures into 293T cells (B), and the results of analyzing the change in relative activity by correcting the activity of the nanoluciferase to the 12-hour result (C).
- Figure 4 shows the results of designing mRNA constructs by applying the base sequence of the 3'-UTR of ⁇ -globin or the base sequence of the IRES of EMCV alone or in combination to the 3'-UTR and applying A 60 G 2 as a poly(A) tail (A), measuring the activity of nanoluciferase over time after transfecting these mRNA constructs into 293T cells (B), and analyzing the change in relative activity by correcting the activity of the nanoluciferase to the 12-hour result (C).
- Figure 5 shows the design of mRNA constructs by applying a combination of the base sequence of the 3'-UTR of ⁇ -globin or the base sequence of the IRES of EMCV and the base sequence of the 3'-UTR of ⁇ -globin to the 3'-UTR to derive the optimal 5'-UTR, applying A 60 G 2 as a poly (A) tail, and applying various base sequences to the 5'-UTR (A), and the results of measuring the activity of nanoluciferase over time after transfecting these mRNA constructs into 293T cells (B) and analyzing the change in relative activity by correcting the activity of the nanoluciferase to the 12-hour result (C).
- Figure 6 shows the results of measuring the activity of nanoluciferase over time after selecting three mRNA structures (CJ-1, BBV+ ⁇ G+A 60 G 2; CJ-2, PPRV+ ⁇ G+A 60 G 2; CJ-3, BBV+EMCV+ ⁇ G+A 60 G 2 ) showing the highest expression efficiency in Figure 5, additionally producing mRNA structures used by Moderna and Pfizer-BioNTech in the development of a coronavirus mRNA vaccine (A), and transfecting these mRNA structures into THP-1 cells, which are monocytic immune cells (B), mouse DC2.4 cells, which are dendritic cell lines (C), and cells activated with LPS (Activated DC2.4 Cells) (D).
- B monocytic immune cells
- C dendritic cell lines
- LPS Activated DC2.4 Cells
- Figure 7 shows the results of measuring nanoluciferase activity over time after transfection of three types of mRNA constructs (CJ-1, CJ-2, and CJ-3) into representative mouse muscle cells, C2C12 cells (A), representative hepatocytes, Huh-7 cells (B), representative lung cells, A549 cells (C), representative retinal cells, AREP-19 cells (D), representative neural cells, SH-SY5Y cells (ATCC) and Neuro-2a cells (ATCC), and 293T cells.
- CJ-1, CJ-2, and CJ-3 representative mouse muscle cells
- C2C12 cells A
- representative hepatocytes Huh-7 cells
- B representative lung cells
- A549 cells C
- representative retinal cells representative retinal cells
- AREP-19 cells D
- representative neural cells SH-SY5Y cells (ATCC) and Neuro-2a cells (ATCC), and 293T cells.
- Figure 8 shows the results of measuring nanoluciferase activity over time (C) after transfection of three types of mRNA constructs (CJ-1, CJ-2, CJ-3) into 293T cells (A), HepG2 cells (B), which are another representative hepatocyte, and SH-SY5Y cells (C) and Neuro-2a cells (D), which are representative neural cells.
- One aspect of the present invention provides a novel mRNA construct.
- the mRNA structure of the present invention comprises a base sequence encoding a target protein; a base sequence of a 3'-UTR (3'-untranslated region) of ⁇ -globin; and a base sequence including a repeating unit of (A 60 G) n .
- the above target protein refers to a target protein to be expressed through the mRNA structure of the present invention.
- the above target protein may refer to a protein that is directly translated and expressed from the mRNA structure of the present invention by the cell's own translation system after the mRNA structure of the present invention is introduced into the cell.
- the 'base sequence encoding the target protein' included in the mRNA structure of the present invention may refer to a CDS (coding sequence) that is composed of only exons with introns removed and can be directly translated and produced as a target protein.
- the above ⁇ -globin is a human HBZ gene, one of five genes belonging to the human ⁇ -globin gene cluster.
- the base sequence of the 3'-UTR of the above ⁇ -globin refers to the base sequence of the 3'-UTR included in the mRNA produced in the process of expressing the human HBZ gene.
- the base sequence of the 3'-UTR of the above ⁇ -globin may include the base sequence of SEQ ID NO: 6 or a variant thereof, and specifically, the base sequence of the 3'-UTR of the above ⁇ -globin may be composed of the base sequence of SEQ ID NO: 6 or a variant thereof.
- the variant of the base sequence of the above sequence number 6 means, but is not limited to, those having a sequence homology of 80% or more, 90% or more, 95% or more, 96% or more, 97% or more, 98% or more or 99% or more to the base sequence of the above sequence number 6, and means all base sequences that have the function of improving the stability and expression efficiency of mRNA, like the base sequence of the above sequence number 6.
- the base sequence of the 3’-UTR of the above ⁇ -globin can be positioned downstream of the base sequence encoding the target protein, and in particular, can be operably linked to the base sequence encoding the target protein.
- the base sequence including the repeating unit of (A 60 G) n is a variant of the poly (A) tail, and the base sequence including the repeating unit of (A 60 G) n may have a length of 115 nt to 125 nt, for example, may have a length of 117 nt to 123 nt, and in particular, the base sequence including the repeating unit of (A 60 G) n may have a length of 121 nt. Accordingly, n may be an integer of 1 to 3, for example, may be an integer of 1 to 2, and in particular, n may be 1. Specifically, the base sequence including the repeating unit of (A 60 G) n may be a base sequence of SEQ ID NO: 21 (A 57 GA 60 GAA).
- the base sequence including the repeating unit of (A 60 G) n can be positioned downstream of the base sequence of the 3'-UTR of the ⁇ -globin, and in particular can be operably linked to the base sequence encoding the target protein and the base sequence of the 3'-UTR of the ⁇ -globin.
- the mRNA structure of the present invention may further include a base sequence of a 5'-UTR of BBV (black beetle virus) or a base sequence of a 5'-UTR of PPRV (peste des detrimental ruminants virus).
- the base sequence of the 5'-UTR of BBV is a sequence derived from a virus that infects black beetles and is present upstream of a coding sequence, thereby improving protein translation efficiency.
- the base sequence of the 5'-UTR of BBV is much shorter than the IRES base sequence known as a Cap-independent translation mechanism, but exhibits high protein translation efficiency.
- the PPRV belongs to the Morbillivirus genus of the Paramyxoviridae family, and is a pseudoruddy ruddy disease virus that mainly infects goats and sheep. It is estimated that the base sequence of the 5'-UTR of the above PPRV is present upstream of the F gene of PPRV and binds complementarily to 18S rRNA, thereby enhancing protein translation efficiency.
- the base sequence of the 5’-UTR of the above BBV may include the base sequence of SEQ ID NO: 24 or a variant thereof, and specifically, the base sequence of the 5’-UTR of the BBV may be composed of the base sequence of SEQ ID NO: 24 or a variant thereof.
- the base sequence of the 5’-UTR of the PPRV may include the base sequence of SEQ ID NO: 25 or the base sequence of SEQ ID NO: 26 or a variant thereof, and specifically, the base sequence of the 5’-UTR of the PPRV may be composed of the base sequence of SEQ ID NO: 25 or the base sequence of SEQ ID NO: 26 or a variant thereof.
- the variant of the base sequence of the above sequence number 24, 25 or 26 means, but is not limited to, those having a sequence homology of 80% or more, 90% or more, 95% or more, 96% or more, 97% or more, 98% or more or 99% or more to the base sequence of the above sequence number 24, 25 or 26, and means all base sequences that have the function of improving the stability and expression efficiency of mRNA, like the base sequence of the above sequence number 24, 25 or 26.
- the base sequence of the 5’-UTR of the above BBV or the base sequence of the 5’-UTR of the PPRV can be positioned upstream of the base sequence encoding the target protein, and in particular, can be operably linked to the base sequence encoding the target protein.
- the mRNA structure of the present invention may further include a base sequence of an IRES (internal ribosome entry site) of EMCV (encephalomyocaditis virus).
- the base sequence of the IRES of EMCV may be composed of a base sequence of SEQ ID NO: 13 or a mutant thereof.
- the mutant of the base sequence of SEQ ID NO: 13 means those having a sequence homology of 80% or more, 90% or more, 95% or more, 96% or more, 97% or more, 98% or more, or 99% or more with the base sequence of SEQ ID NO: 13, but is not limited thereto, and means all base sequences that have the function of improving the stability and expression efficiency of mRNA, like the base sequence of SEQ ID NO: 13.
- the base sequence of the IRES of the EMCV can be positioned between the downstream of the base sequence encoding the target protein and the upstream of the base sequence of the 3'-UTR of the ⁇ -globin, and in particular, can be operably linked to the base sequence encoding the target protein and the base sequence of the 3'-UTR of the ⁇ -globin.
- the mRNA construct of the present invention configured as described above has excellent stability and expression efficiency within cells, and thus has the effect of maintaining a high expression state within cells for a long period of time even after transfection.
- novel mRNA construct of the present invention exhibits high expression efficiency in cells and thus can be transfected into cells for expression of a target protein.
- novel mRNA construct of the present invention which can be transfected into cells as described above, can be used as an effective ingredient of a pharmaceutical composition depending on the target protein.
- the pharmaceutical composition containing the mRNA structure of the present invention may be a vaccine.
- the target protein derived from a virus or bacteria is expressed with high efficiency by the novel mRNA structure in the subject into which the pharmaceutical composition of the present invention is injected, and the virus or bacteria derived protein thus expressed is recognized as an antigen in the subject and induces an immune response, thereby acting as a vaccine.
- the pharmaceutical composition containing the mRNA construct of the present invention may be a gene therapy agent.
- the causal protein deficient in the specific disease, which is the target protein is expressed with high efficiency by the novel mRNA construct in the subject into which the pharmaceutical composition of the present invention has been injected, and the specific disease can be treated by complementing the deficiency of the causal protein through the high-efficiency expression of the causal protein. Therefore, any disease that can be treated by complementing the deficient gene can be treated by the pharmaceutical composition of the present invention without any particular limitation.
- the diseases most suitable for application as the above gene therapy include monogenic genetic diseases caused by a single gene defect, such as spinal muscular atrophy (SMA), a rare neuromuscular disease, and cystic fibrosis (CF), Duchenne muscular dystrophy (DMD), Friedreich's ataxia (FA), hemophilia, Rett Syndrome, Fabry disease, sickle cell disease, etc.
- SMA spinal muscular atrophy
- CF cystic fibrosis
- DMD Duchenne muscular dystrophy
- FA Friedreich's ataxia
- hemophilia Fabry disease
- Fabry disease Fabry disease
- sickle cell disease etc.
- the mRNA construct of the present invention consistently exhibits high expression efficiency regardless of various cell types such as muscle cells, liver cells, lung cells, ocular cells, and nerve cells, it can be applied to various cells that may induce various diseases. Therefore, when the mRNA construct of the present invention is used as an effective ingredient of the gene therapy agent as described above, it has the advantage of ensuring a much better therapeutic effect compared to when using the existing mRNA constructs of Moderna or Pfizer-BioNTech.
- the pharmaceutical composition may further include a delivery means for delivering the mRNA structure of the present invention.
- Representative examples of the above delivery means include nanoparticles such as liposomes or LNPs (lipid nanoparticles), and the liposomes or LNPs include cationic lipids, non-cationic lipids, or neutral lipids, and may additionally include other lipids such as PEG (polyethylene glycol) or cholesterol.
- nanoparticles such as liposomes or LNPs (lipid nanoparticles)
- the liposomes or LNPs include cationic lipids, non-cationic lipids, or neutral lipids, and may additionally include other lipids such as PEG (polyethylene glycol) or cholesterol.
- exosomes may also be used as the nanoparticles that serve as the above delivery means, and as another delivery means, cationic biocompatible polymers or cationic peptides (e.g., protamine, cell penetrating peptides (CPPs), etc.) that can provide improved stability by electrostatically interacting with the mRNA structure of the present invention may be used, but the present invention is not limited thereto, and any and all means known in the technical field to which the present invention pertains that can deliver the mRNA structure may be used.
- cationic biocompatible polymers or cationic peptides e.g., protamine, cell penetrating peptides (CPPs), etc.
- CPPs cell penetrating peptides
- the pharmaceutical composition may further comprise one or more pharmaceutically acceptable carriers.
- the pharmaceutically acceptable carrier must be compatible with the active ingredient of the present invention, and may be used as a mixture of saline solution, sterile water, Ringer's solution, buffered saline, dextrose solution, maltodextrin solution, glycerol, ethanol, and one or more of these components, and may further comprise other conventional additives such as antioxidants, buffers, and bacteriostatic agents, as needed.
- a diluent, a dispersant, a surfactant, a binder, and a lubricant may be additionally added to formulate the composition into an injectable formulation such as an aqueous solution, a suspension, or an emulsion.
- an injectable formulation such as an aqueous solution, a suspension, or an emulsion.
- a method commonly known in the art to which the present invention pertains can be used to prepare a lyophilized formulation, and a stabilizer for lyophilization may be added.
- it can be preferably formulated according to each disease or ingredient using an appropriate method in the field or a method disclosed in Remington's pharmaceutical Science (Mack Publishing company, Easton PA).
- the content and administration method of the active ingredients, etc. included in the above pharmaceutical composition can be determined by a general expert in the art based on the symptoms and severity of the disease of a typical patient.
- it can be formulated in various forms such as powder, tablet, capsule, liquid, injection, ointment, syrup, etc., and can also be provided in unit-dose or multi-dose containers, such as sealed ampoules and bottles.
- the pharmaceutical composition can be administered orally or parenterally.
- the route of administration of the composition according to the present invention is not limited to these, but for example, bronchial, oral, intravenous, intramuscular, intraarterial, intramedullary, intrathecal, intracardiac, transdermal, subcutaneous, intraperitoneal, intestinal, sublingual or topical administration is possible.
- the dosage of the composition according to the present invention varies depending on the patient's weight, age, sex, health condition, diet, administration time, method, excretion rate or disease severity, and can be easily determined by a person skilled in the art.
- the pharmaceutical composition can be formulated into a suitable dosage form using a known technique for clinical administration.
- nanoluciferase which has the highest luminescence and the smallest protein size among reporter proteins
- nanoluciferase-PEST fusion protein in which PEST amino acid is fused to the C-terminus of the nanoluciferase
- the structure of the novel mRNA structure was specified in such a way that the base sequence of SEQ ID NO: 1 encoding the nanoluciferase-PEST fusion protein was arranged upstream thereof, CleanCap (TriLink) in the form of Cap1 was arranged at the 5'-terminus of the base sequence of the 5'-UTR, and the base sequence of the 3'-UTR and the base sequence of the poly (A) tail were arranged sequentially downstream thereof.
- CleanCap TriLink
- the base sequence of the 5'-UTR was fixed to the base sequence of the 5'-UTR of human ⁇ -globin (base sequence of SEQ ID NO: 2) and the base sequence of the poly (A) tail was fixed to a 117 nt poly (A) sequence, while applying various types of 3'-UTR base sequences disclosed in Table 1 below as the base sequence of the 3'-UTR, thereby designing six types of mRNA structures of Production Examples 1-1 to 1-6 as illustrated in A of FIG. 1.
- the mRNA constructs of Manufacturing Examples 1-1 to 1-6 designed as described above were linked to the downstream of the T7 promoter of a DNA vector (pcDNA3.1 hygro Vector), and a type II restriction enzyme recognition sequence was inserted so as to be placed immediately behind the poly (A) tail of the mRNA construct. Therefore, the mRNA construct expressed from the DNA vector as described above has the 5'-terminal capped with CleanCap and the 3'-terminal purely has an adenine sequence of 117 nt in length. 5 ug of the DNA vector manufactured as described above was treated with the type IIS restriction enzyme BspQI (NEB) and reacted overnight to linearize the DNA vector.
- NEB type IIS restriction enzyme BspQI
- the mRNA isolated and purified as described above was denatured at 70 degrees Celsius for 10 minutes and electrophoresis was performed using an agarose gel to confirm that the corresponding mRNAs were uniformly produced in the expected size.
- the purity and concentration of the produced mRNA were measured using a nanodrop device (spectrophotometer, ND-2000, ThermoScientific).
- the mRNA isolated and purified as described above was transfected into 293T cells (ATCC) seeded in a 96-well plate at a density of 1x104 cells/well using the reverse-transfection method using Lipofectamine 2000 (Lipofectamine2000 TM Transfection Reagent, ThermoFisher).
- Nano-Glo reagent Na-Glo (R) Luciferase Assay System, Promega
- Nanoluciferase activity was measured after 48, 72, and 96 hours.
- Example 1 the base sequences of ENE, an RNA stabilizing sequence of Kaposi's herpesvirus (KSHV) and IRES (internal ribosome entry site) of various RNA viruses, as disclosed in Table 2 below as the base sequence of 3'-UTR, were applied to design seven mRNA structures of Production Examples 1-7 to 1-13 as shown in A of FIG. 2.
- KSHV Kaposi's herpesvirus
- IRES internal ribosome entry site
- the mRNA constructs of Manufacturing Examples 2-1 to 2-6 designed as described above were inserted into a DNA vector in the same manner as in the above Example [2-1], then transcribed in vitro, and the produced mRNA was transfected into 293T cells to measure nanoluciferase activity.
- FIGS. 3 B and C among various sequences, it was confirmed that the expression of nanoluciferase was the highest and lasted the longest in the mRNA construct of Manufacturing Example 2-6 applying a modified poly (A) tail (A60-G2) in which two guanosines (G) were inserted at intervals of 60 nt.
- the modified poly (A) tail (A60-G2) selected in Example 2-2 was applied as the base sequence of the poly (A) tail, while the base sequence of the 3'-UTR of ⁇ -globin (base sequence of SEQ ID NO: 6) and the base sequence of the IRES of EMCV (base sequence of SEQ ID NO: 13) selected in Example 2-1 were applied in combination as in FIG. 4A, thereby designing six mRNA structures of Preparation Examples 3-1 to 3-6 as shown in FIG. 4A.
- the mRNA constructs of Manufacturing Examples 3-1 to 3-6 designed as described above were inserted into a DNA vector in the same manner as in Example [2-1], then transcribed in vitro and the produced mRNA was transfected into 293T cells to measure nanoluciferase activity.
- the 3'-UTR was fixed to the base sequence of the 3'-UTR of ⁇ -globin (mRNA structures of Preparation Examples 4-1 to 4-5) or a combination of the base sequence of the IRES of EMCV and the 3'-UTR of ⁇ -globin (mRNA structures of Preparation Examples 4-6 to 4-10), and the poly (A) tail was fixed to the modified poly (A) tail of A60-G2, while applying various types of 5'-UTR base sequences disclosed in Table 4 below as the base sequence of the 5'-UTR, thereby designing 10 kinds of mRNA structures of Preparation Examples 4-1 to 4-10 as illustrated in FIG. 5A.
- Example [2-1] three kinds of mRNA produced in the same manner as in the above Example [2-1], and mRNA of Moderna and Pfizer-BioNTech produced through in vitro transcription after linearizing DNA using BsmBI (NEB) as a type IIS restriction enzyme similar to Example [2-1], were transfected into THP-1 cells (ATCC), which are representative antigen-presenting cells and monocyte-derived cells, or mouse DC2.4 cells (Merck), which are antigen-presenting immune cells and a dendritic cell lineage that plays an important role in muscle tissue, or cells activated by treating the DC2.4 cells with LPS (Activated DC2.4 Cells), and the activity of nanoluciferase was compared over time.
- THP-1 cells which are representative antigen-presenting cells and monocyte-derived cells
- mouse DC2.4 cells Merck
- LPS Activated DC2.4 Cells
- mRNA produced in the same manner as in the above Example [2-1] was transfected into C2C12 cells (ATCC) as representative muscle cells, Huh-7 cells (ATCC) and HepG2 cells (ATCC) as representative hepatic cells, A549 (ATCC) as representative lung cells, AREP-19 (ATCC) as representative retinal cells, SH-SY5Y cells (ATCC) and Neuro-2a cells (ATCC) as representative neural cells, and 293T cells, and the activity of nanoluciferase was compared over time. As a result, as shown in FIGS.
- the mRNA construct of the present invention exhibited high expression efficiency in all cells.
- the mRNA constructs of Moderna and Pfizer-BioNTech showed different expression patterns depending on the cells used, but the three mRNA constructs of the present invention were confirmed to consistently exhibit high expression efficiency regardless of the cell type.
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Abstract
Description
| 적용 제조예 # | 명칭 | 염기서열(5'->3') | 서열번호 |
| 1-1 | α-globin | GCTGGAGCCTCGGTGGCCATGCTTCTTGCCCCTTGGGCCTCCCCCCAGCCCCTCCTCCCCTTCCTGCACCCGTACCCCCGTGGTCTTTGAATAAAGTCTGAGTGGGCGGCA (111bp) | 3 |
| 1-2 | β-globin | GCTCGCTTTCTTGCTGTCCAATTTCTATTAAAGGTTCCTTTGTTCCCTAAGTCCAACTACTAAACTGGGGGATATTATGAAGGGCCTTGAGCATCTGGATTCTGCCTAATAAAAAACATTTATTTTCATTGCAA (134bp) | 4 |
| 1-3 | γ1-globin | GCTCACTGCCCATGATTCAGAGCTTTCAAGGATAGGCTTTATTCTGCAAGCAATACAAATAATAAATCTATTCTGCTGAGAGATCACACA (90bp) | 5 |
| 1-4 | ζ-globin | GCGCCGCCTCCGGGACCCCCAGGACAGGCTGCGGCCCCTCCCCCGTCCTGGAGGTTCCCCAGCCCCACTTACCGCGTAATGCGCCAATAAACCAATGAACGAA (103bp) | 6 |
| 1-5 | Tyrosine hydroxylase | GTGCACGGCGTCCCTGAGGGCCCTTCCCAACCTCCCCTGGTCCTGCACTGTCCCGGAGCTCAGGCCCTGGTGAGGGGCTGGGTCCCGGGTGCCCCCCATGCCCTCCCTGCTGCCAGGCTCCCACTGCCCCTGCACCTGCTTCTCAGCGCAACAGCTGTGTGTGCCCGTGGTGAGGTTGTGCTGCCTGTGGTGAGGTCCTGTCCTGGCTCCCAGGGTCCTGGGGGCTGCTGCACTGCCCTCCGCCCTTCCCTGACACTGTCTGCTGCCCCAATCACCGTCACAATAAAAGAAACTGTGGTCTCTA (304bp) | 7 |
| 1-6 | Insulin | ACGCAGCCCGCAGGCAGCCCCACACCCGCCGCCTCCTGCACCGAGAGAGATGGAATAAAGCCCTTGAACCAGC (73bp) | 8 |
| 적용 제조예 # | 명칭 | 염기서열(5'->3') | 서열번호 |
| 1-7 | 1X ENE | TGTTTTGGCTGGGTTCTTCCTTGTTCGCACCGGACACCTCCAGTGACCAGACGGCAAGGTTCTTATCCCAGTGTATATTGGAAAAACATGTTATACTTTTGACAATTTAACGTGCCTAGAGCTCAAATTAAACTAATACCATAACGTAATGCAACTTACAACATAAATAAAGGTCAATGTTTAATCCATA (190bp) | 9 |
| 1-8 | 2X ENE | TGTTTTGGCTGGGTTCTTCCTTGTTCGCACCGGACACCTCCAGTGACCAGACGGCAAGGTTCTTATCCCAGTGTATATTTGTTTTGGCTGGGTTCTTCCTTGTTCGCACCGGACACCTCCAGTGACCAGACGGCAAGGTTCTTATCCCAGTGTATATTGGAAAAACATGTTATACTTTTGACAATTTAACGTGCCTAGAGCTCAAATTAAACTAATACCATAACGTAATGCAACTTACAACATAAATAAAGGTCAATGTTTAATCCATA (269bp) | 10 |
| 1-9 | 3X ENE | TGTTTTGGCTGGGTTCTTCCTTGTTCGCACCGGACACCTCCAGTGACCAGACGGCAAGGTTCTTATCCCAGTGTATATTTGTTTTGGCTGGGTTCTTCCTTGTTCGCACCGGACACCTCCAGTGACCAGACGGCAAGGTTCTTATCCCAGTGTATATTTGTTTTGGCTGGGTTCTTCCTTGTTCGCACCGGACACCTCCAGTGACCAGACGGCAAGGTTCTTATCCCAGTGTATATTGGAAAAACATGTTATACTTTTGACAATTTAACGTGCCTAGAGCTCAAATTAAACTAATACCATAACGTAATGCAACTTACAACATAAATAAAGGTCAATGTTTAATCCATA (348bp) | 11 |
| 1-10 | CVB3 | TTAAAACAGCCTGTGGGTTGATCCCACCCACAGGGCCCATTGGGCGCTAGCACTCTGGTATCACGGTACCTTTGTGCGCCTGTTTTATACCCCCTCCCCCAACTGTAACTTAGAAGTAACACACACCGATCAACAGTCAGCGTGGCACACCAGCCACGTTTTGATCAAGCACTTCTGTTACCCCGGACTGAGTATCAATAGACTGCTCACGCGGTTGAAGGAGAAAGCGTTCGTTATCCGGCCAACTACTTCGAAAAACCTAGTAACACCGTGGAAGTTGCAGAGTGTTTCGCTCAGCACTACCCCAGTGTAGATCAGGTCGATGAGTCACCGCATTCCCCACGGGCGACCGTGGCGGTGGCTGCGTTGGCGGCCTGCCCATGGGGAAACCCATGGGACGCTCTAATACAGACATGGTGCGAAGAGTCTATTGAGCTAGTTGGTAGTCCTCCGGCCCCTGAATGCGGCTAATCCTAACTGCGGAGCACACACCCTCAAGCCAGAGGGCAGTGTGTCGTAACGGGCAACTCTGCAGCGGAACCGACTACTTTGGGTGTCCGTGTTTCATTTTATTCCTATACTGGCTGCTTATGGTGACAATTGAGAGATTGTTACCATATAGCTATTGGATTGGCCATCCGGTGACTAATAGAGCTATTATATATCCCTTTGTTGGGTTTATACCACTTAGCTTGAAAGAGGTTAAAACATTACAATTCATTGTTAAGTTGAATACAGCAAA (742bp) | 12 |
| 1-11 | EMCV | CCCCTCTCCCTCCCCCCCCCCTAACGTTACTGGCCGAAGCCGCTTGGAATAAGGCCGGTGTGCGTTTGTCTATATGTTATTTTCCACCATATTGCCGTCTTTTGGCAATGTGAGGGCCCGGAAACCTGGCCCTGTCTTCTTGACGAGCATTCCTAGGGGTCTTTCCCCTCTCGCCAAAGGAATGCAAGGTCTGTTGAATGTCGTGAAGGAAGCAGTTCCTCTGGAAGCTTCTTGAAGACAAACAACGTCTGTAGCGACCCTTTGCAGGCAGCGGAACCCCCCACCTGGCGACAGGTGCCTCTGCGGCCAAAAGCCACGTGTATAAGATACACCTGCAAAGGCGGCACAACCCCAGTGCCACGTTGTGAGTTGGATAGTTGTGGAAAGAGTCAAATGGCTCTCCTCAAGCGTATTCAACAAGGGGCTGAAGGATGCCCAGAAGGTACCCCATTGTATGGGATCTGATCTGGGGCCTCGGTGCACATGCTTTACATGTGTTTAGTCGAGGTTAAAAAACGTCTAGGCCCCCCGAACCACGGGGACGTGGTTTTCCTTTGAAAAACACGATGATAATATGGCCACAACC (586bp) | 13 |
| 1-12 | HCV | GGCGACACTCCACCATAGATCACTCCCCTGTGAGGAACTACTGTCTTCACGCAGAAAGCGTCTAGCCATGGCGTTAGTATGAGTGTCGTGCAGCCTCCAGGACCCCCCCTCCCGGGAGAGCCATAGTGGTCTGCGGAACCGGTGAGTACACCGGAATTGCCAGGACGACCGGGTCCTTTCTTGGATTAACCCGCTCAATGCCTGGAGATTTGGGCGTGCCCCCGCGAGACTGCTAGCCGAGTAGTGTTGGGTCGCGAAAGGCCTTGTGGTACTGCCTGATAGGGTGCTTGCGAGTGCCCCGGGAGGTCTCGTAGACCGTGCATCATGAGCACAAATCCTAAACCTCAAAGAAAAACC (357bp) | 14 |
| 1-13 | CrPV | AAAGCAAAAATGTGATCTTGCTTGTAAATACAATTTTGAGAGGTTAATAAATTACAAGTAGTGCTATTTTTGTATTTAGGTTAGCTATTTAGCTTTACGTTCCAGGATGCCTAGTGGCAGCCCCACAATATCCAGGAAGCCCTCTCTGCGGTTTTTCAGATTAGGTAGTCGAAAAACCTAAGAAATTTA (189bp) | 15 |
| 적용 제조예 # | 명칭 | 염기서열(5'->3') | 서열번호 |
| 2-1 | A10-G11 | A9GA10GA10GA10GA10GA10GA10GA10GA10GA10GA10GAA | 16 |
| 2-2 | A20-G6 | A13GA20GA20GA20GA20GA20GAA | 17 |
| 2-3 | A30-G4 | A25GA30GA30GA30GAA | 18 |
| 2-4 | A40-G3 | A36GA40GA40GAA | 19 |
| 2-5 | A50-G3 | A16GA50GA50GAA | 20 |
| 2-6 | A60-G2 | A57GA60GAA | 21 |
| 적용 제조예 # | 명칭 | 염기서열(5'->3') | 서열번호 |
| 4-1, 4-6 | 1-23b | CAGCGGAAACGAGCGAAAAAAAAACAGCGGAAACGAGCGAAAAAAAAACAGCGGAAACGAGCGAAAAAAAAACAGCGGAAACGAGCGAAAAAAAAACAGCGGAAACGAGCGAGAGAGAACCCCTTAAGACC (131bp) | 22 |
| 4-2, 4-7 | 17.2 | TCCGGTCGTAAAAAAAAATCCGGTCGTAAAAAAAAATCCGGTCGTAAAAAAAAATCCGGTCGTAAAAAAAAATCCGGTCGTAGAGAGAACCCCTTAAGACC (101bp) | 23 |
| 4-3, 4-8 | BBV | GTTTTCGAAACAAATAAAACAGAAAAGCGAACCTAAACA (39bp) | 24 |
| 4-4, 4-9 | PPRV | AGGGGCCAAGTCCATACGACAGGCCCCAGCCCGCCAGACGGAGGGCCGCAGAAAGGAAGGAGACACGACCGCCCCAGAAGGAGGA (85bp) | 25 |
| 4-5, 4-10 | ΔPPRV | GCCCGCCAGACGGAGGGCCGCAGAAAGGAAGGAGACACGACCGCCCCAGAAGGAGGA (57bp) | 26 |
Claims (13)
- 목적 단백질을 암호화하는 염기서열;상기 목적 단백질을 암호화하는 염기서열의 하류에 배치되는 ζ-글로빈의 3’-UTR의 염기서열; 및상기 ζ-글로빈의 3’-UTR의 염기서열의 하류에 배치되는 (A60G)n의 반복단위를 포함하는 염기서열(여기서, n은 1 내지 3의 정수);을 포함하는 mRNA 구조체.
- 청구항 1에 있어서,상기 ζ-글로빈 3’-UTR의 염기서열은 서열번호 6의 염기서열을 포함하는 것인, mRNA 구조체.
- 청구항 1에 있어서,상기 (A60G)n의 반복단위를 포함하는 염기서열은 서열번호 21의 염기서열을 포함하는 것인, mRNA 구조체.
- 청구항 1에 있어서,상기 목적 단백질을 암호화하는 염기서열의 하류와 상기 ζ-글로빈의 3’-UTR의 염기서열의 상류의 사이에, EMCV(encephalomyocaditis virus)의 IRES(internal ribosome entry site)의 염기서열을 더 포함하는 것인, mRNA 구조체.
- 청구항 4에 있어서,상기 EMCV의 IRES의 염기서열은 서열번호 13의 염기서열을 더 포함하는 것인, mRNA 구조체.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서,상기 목적 단백질을 암호화하는 염기서열의 상류에, BBV(black beetle virus)의 5’-UTR의 염기서열 또는 PPRV(peste des petits ruminants virus)의 5’-UTR의 염기서열을 더 포함하는 것인, mRNA 구조체.
- 청구항 6에 있어서,상기 BBV의 5’-UTR의 염기서열은 서열번호 24의 염기서열을 포함하는 것이고,상기 PPRV의 5’-UTR의 염기서열은 서열번호 25의 염기서열 또는 서열번호 26의 염기서열을 포함하는 것인, mRNA 구조체.
- 청구항 6에 있어서,상기 목적 단백질을 암호화하는 염기서열의 상류에, BBV의 5’-UTR의 염기서열을 포함하는 것인, mRNA 구조체.
- 청구항 6에 있어서,상기 mRNA 구조체는 세포에 형질주입되기 위한 것인, mRNA 구조체.
- 청구항 1의 mRNA 구조체를 포함하는 미생물 감염 질환의 예방 또는 치료용 약학적 조성물.
- 청구항 10에 있어서,상기 약학적 조성물은 백신인 것인 약학적 조성물.
- 청구항 1의 mRNA 구조체를 포함하는 암 또는 유전질환의 예방 또는 치료용 약학적 조성물.
- 청구항 12에 있어서,상기 약학적 조성물은 유전자 치료제인 것인 약학적 조성물.
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| "Remington's Pharmaceutical Science", MACK PUBLISHING COMPANY |
| DASMAHAPATRA BIMALENDU, ROZHON EDWARD J, SCHWARTZ JEROME: "Nucleic Acids Research pBD7, a novel cell-free expression vector with efficient translation initiation signal", NUCLEIC ACIDS RESEARCH, vol. 15, no. 9, 11 May 1987 (1987-05-11), pages 3933 - 3933, XP093245439, DOI: 10.1093/nar/15.9.3933 * |
| RUSSELL J ERIC, MORALES JULIA, MAKEYEV ALEKSANDR V, LIEBHABER STEPHEN A : "Sequence Divergence in the 3Ј Untranslated Regions of Human and ␣-Globin mRNAs Mediates a Difference in Their Stabilities and Contributes to Efficient ␣-to-Gene Developmental Switching", MOLECULAR AND CELLULAR BIOLOGY, AMERICAN SOCIETY FOR PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS, US, vol. 18, no. 4, 1 April 1998 (1998-04-01), US , pages 2173 - 2183, XP093245437, ISSN: 0270-7306 * |
| ZHAO TAOLAN, HUAN QING, SUN JING, LIU CHUNYAN, HOU XIULI, YU XIANG, SILVERMAN IAN M., ZHANG YI, GREGORY BRIAN D., LIU CHUN-MING, Q: "Impact of poly(A)-tail G-content on Arabidopsis PAB binding and their role in enhancing translational efficiency", GENOME BIOLOGY, vol. 20, no. 1, 1 December 2019 (2019-12-01), XP093042803, DOI: 10.1186/s13059-019-1799-8 * |
| ZHENNING HE;DECHENG SONG;SEBASTIAAN VAN ZALEN;J ERIC RUSSELL: "Structural determinants of human ?-globin mRNA stability", JOURNAL OF HEMATOLOGY & ONCOLOGY, BIOMED CENTRAL LTD, LONDON UK, vol. 7, no. 1, 21 April 2014 (2014-04-21), London UK , pages 35, XP021182406, ISSN: 1756-8722, DOI: 10.1186/1756-8722-7-35 * |
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