WO2022010213A1 - 바리셀라 조스터 바이러스 표면 단백질 항원의 생산 방법 - Google Patents
바리셀라 조스터 바이러스 표면 단백질 항원의 생산 방법 Download PDFInfo
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- WO2022010213A1 WO2022010213A1 PCT/KR2021/008537 KR2021008537W WO2022010213A1 WO 2022010213 A1 WO2022010213 A1 WO 2022010213A1 KR 2021008537 W KR2021008537 W KR 2021008537W WO 2022010213 A1 WO2022010213 A1 WO 2022010213A1
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Definitions
- the present invention relates to a method for producing a surface protein antigen of varicella zoster virus.
- VZV Varicella Zoster Virus
- herpes zoster The initial symptoms of herpes zoster are aching all over the body like body aches or are accompanied by severe itching, stinging, burning, and severe pain like stabbing with a knife. After a few days, blisters occur. It is a disease in which patients tend to complain of more severe pain. Even when fully cured, herpes zoster leaves sequelae of neuropathic pain, which is relatively rare in adults under 40 years of age. It is also known to cause depression.
- ZOSTAVAX Merck Corporation
- a live attenuated vaccine in Oka state has been developed. It is licensed and sold in Korea and Korea.
- GlaxoSmithKline has developed a vaccine composed of gE, a viral surface protein, and an immune enhancer, targeting adults 50 years of age or older, and has proven its preventive effect in clinical trials (US Patent No. 7,939,084).
- the present inventors improved the productivity of VZV gE antigen while conducting research on a method to increase productivity without affecting the immunogenicity of the surface protein (gE) antigen of varicella zoster virus (VZV)
- the present invention was completed by discovering a culture and purification method that can be performed.
- obtaining a culture medium by culturing a recombinant cell line that produces a surface protein (gE) antigen of Varicella-Zoster Virus (VZV); And (b) provides a method for producing the VZV gE antigen comprising the step of purifying the culture medium.
- gE surface protein
- VZV Varicella-Zoster Virus
- the method for producing a varicella zoster virus surface protein antigen according to the present invention is an effective production method capable of obtaining the varicella zoster virus surface protein antigen in high yield and high purity. Therefore, the method is useful for producing a surface protein antigen of varicella zoster virus for use as a vaccine composition for preventing or treating chickenpox or herpes zoster.
- FIG. 1 is a flowchart showing a process of culturing and purifying to produce a VZV gE antigen according to an embodiment of the present invention.
- Figure 2 is a schematic diagram showing the pMSID2-MGgE vector production process.
- VZV gE productivity is a result of confirming the VZV gE productivity according to the type of VZV gE and cell lines by Western blot.
- VCD viable cell density
- Figure 5b is a result of confirming the productivity (productivity) according to the change of the culture temperature in the production culture stage of the cell line introduced with MGgE.
- 6a is a result of confirming the viable cell density according to the culture temperature in the production culture stage of the MGgE-introduced cell line.
- 6b is a result of confirming the productivity according to the culture temperature in the production culture stage of the cell line introduced with MGgE.
- obtaining a culture medium by culturing a recombinant cell line that produces a surface protein (gE) antigen of Varicella-Zoster Virus (VZV); And (b) provides a method for producing the VZV gE antigen comprising the step of purifying the culture medium.
- gE surface protein
- VZV Varicella-Zoster Virus
- the surface protein antigen of the varicella zoster virus may preferably be one of the surface protein antigens of the varicella zoster virus disclosed in International Publication No. WO 2019/225962 A1.
- the surface protein antigen (MGgE) of the varicella zoster virus may be a polypeptide consisting of the amino acid sequence shown in SEQ ID NO: 1, and the polypeptide is formed by a gene consisting of the nucleotide sequence shown in SEQ ID NO: 2 It may be coded.
- the surface protein antigen of varicella zoster virus represented by the amino acid sequence of SEQ ID NO: 1 is the 537th amino acid residue carboxy terminus of the surface protein antigen of varicella zoster virus represented by the amino acid sequence represented by the amino acid sequence of SEQ ID NO: 3 Varicella zoster virus surface protein antigen variant containing this truncated mutation.
- the truncated mutation of the carboxy terminus of the 537th amino acid residue is amino acid residues 1 to 537 in the direction from the amino terminus (N-terminus) to the carboxy (C-terminus), and consecutive amino acids from the 538th amino acid residue to the carboxy terminus It refers to a mutation in which residues are truncated.
- the cell line producing the VZV gE antigen may be one transformed with a gene encoding the VZV gE antigen consisting of the nucleotide sequence shown in SEQ ID NO: 2, and a cell having an expression vector containing the gene encoding the VZV gE antigen can be a week
- the expression vector may be an expression vector of the pMSID2 vector disclosed in Korean Patent Registration No. 10-1591823, but any vector suitable for transfecting the VZV gE antigen into a cell line may be used without limitation.
- vector refers to a nucleic acid means comprising a nucleotide sequence that can be introduced into a host cell, can be recombinated and inserted into the host cell genome, or can be spontaneously replicated into an episome.
- Suitable expression vectors include a signal sequence or leader sequence for membrane targeting or secretion in addition to expression control elements such as promoter, initiation codon, stop codon, polyadenylation signal and enhancer, and may be prepared in various ways depending on the purpose. . When the gene construct encoding the target protein is administered with the start codon and stop codon, it must function in the subject and must be in frame with the coding sequence.
- Host cells or non-human host cells transfected or transformed with the vector according to an embodiment of the present invention may be host cells or non-human host cells genetically modified by the vector.
- the term "genetically modified" refers to a polynucleotide or vector according to an embodiment of the present invention introduced into a host cell, a non-human host organism, predecessors or parents. It means that the host cell, non-human host organism, antecedent species or seedling includes in addition to its genome.
- polynucleotide or vector according to one embodiment of the present invention may exist in a genetically modified host cell or a non-human host organism as an independent molecule outside the genome, specifically a replicable molecule, or a host cell Alternatively, it may be stably inserted into the genome of a non-human host organism.
- the host cell according to one embodiment of the present invention is a eukaryotic cell.
- the eukaryotic cells include fungal cells, plant cells, or animal cells.
- the fungal cell may be yeast, specifically, yeast of the genus Saccharomyces sp., more specifically, S. cerevisiae.
- animal cells include insect cells or mammalian cells, and specific examples of animal cells include HEK293, 293T, NSO, CHO, MDCK, U2-OSHela, NIH3T3, MOLT-4, Jurkat, PC-12, PC- 3, IMR, NT2N, Sk-n-sh, CaSki, C33A, etc.
- suitable cell lines well known in the art can be obtained from a cell line depository such as the American Type Culture Collection (ATCC).
- ATCC American Type Culture Collection
- the VZV gE antigen according to the present invention can be expressed in various types of organisms such as bacteria, yeast, mammalian cells, plants, and transgenic animals.
- mammalian cells can be used in terms of regulation for protein therapeutics and that the manufactured protein must be similar to the native type.
- Examples of the mammalian cells include immortal hybridoma cells, NS/O myeloma cells, 293 cells, Chinese hamster ovary cells (CHO cells), HeLa cells, CapT cells (human amniotic fluid-derived cells), COS cells, and the like, and according to an embodiment of the present invention, CHO DG44 cells can be used.
- a technique known in the art may be used, for example, electroporation, protoplast fusion, calcium phosphate (CaPO4) precipitation, and chloride. and calcium (CaCl2) precipitation.
- seed culture refers to a culture for the purpose of obtaining a large amount of cell lines.
- the seed culture may be cultured at a temperature condition in which the number of cells can be most actively increased. In other words, in order to secure a certain number of cells in the cell line, it can be cultured.
- production culture refers to mass culturing of a cell line to produce a recombinant protein.
- the (a-1) seed culture step may include culturing the cell line producing the VZV gE antigen by any one method selected from the group consisting of subculture, suspension culture, and combinations thereof.
- a cell line producing the VZV gE antigen may be cultured by subculture and suspension culture method, and may be cultured for production by suspension culture method.
- culture refers to a method of culturing while transferring a cell line to the same or different fresh medium according to the culture cycle.
- the subculture can be cultured by transferring the cell line to the same fresh medium at intervals of 1 to 7 days, 2 to 5 days, or 3 to 4 days.
- the number of inoculated cells may be 2x10 5 cells/mL to 5x10 5 cells/mL, 3x10 5 cells/mL to 4x10 5 cells/mL, or 4x10 5 cells/mL, but is not limited thereto.
- the CO 2 concentration in the subculture may be 4.0% to 6.0%, 4.5% to 5.5%, or 5.0%, but is not limited thereto.
- the term "suspension culture” refers to a culture method in which cells are suspended in a culture medium, and cells that proliferate in a suspended state even in vivo, such as blood cells or a plurality of cancer cells, are shaken or rotated. Floating culture can be carried out even if it is not performed, but in most cases, it can be cultured by rotating the gaiters (gaiter culture), shaking each culture bottle (shaking culture), or rotating the incubator (rotating culture).
- suspension culture may be performed under conditions of agitation speed of 86 rpm to 96 rpm, 88 rpm to 94 rpm, or 90 rpm to 92 rpm, but is not limited thereto.
- the number of cells inoculated in the suspension culture may be 2x10 5 cells/mL to 5x10 5 cells/mL, 3x10 5 cells/mL to 4x10 5 cells/mL, or 4x10 5 cells/mL, but is not limited thereto.
- the pH may be between pH 6.7 and pH 7.1, or between pH 6.8 and pH 7.0.
- the dissolved oxygen concentration may be 10% to 90%, 20% to 80%, or 30% to 60%, but is not limited thereto.
- the (a-1) seed culturing step may include culturing the cell line at a temperature of 34°C to 38°C.
- the (a-2) production and culturing may include culturing the cell line at a temperature of 34 to 35.5°C.
- the cell line may be seed cultured at a temperature of 36 to 38 °C, 36.5 to 37.5 °C or 37 °C, and then the cultured cell line is produced at a temperature of 34 to 35.5 °C, 34.5 to 35.5 °C or 35 °C. can be cultured.
- the cell line may be seed cultured at a temperature of 34 to 35.5 ° C, 34.5 to 35.5 ° C or 35 ° C, and then the cultured cell line is produced and cultured at a temperature of 34 to 35.5 ° C, 34.5 to 35.5 ° C or 35 ° C.
- the cell line may be cultured for seed culture and production at a constant temperature within a temperature range of 34 to 35.5°C.
- the production culture may be by a suspension culture method.
- the suspension culture may be performed under conditions of agitation speed of 62 rpm to 72 rpm, 64 rpm to 70 rpm, or 66 rpm to 68 rpm, but is not limited thereto.
- the number of cells inoculated in the suspension culture may be 2x10 5 cells/mL to 5x10 5 cells/mL, 3x10 5 cells/mL to 4x10 5 cells/mL, or 4x10 5 cells/mL, but is not limited thereto.
- the cell number corresponds to the optimal cell density in the production culture of VZV gE antigen.
- the cell density is less than 2x10 5 cells/mL
- the amount of protein obtained is small because the number of cells is too small, and when it exceeds 5x10 5 cells/mL, HCP (Host Cell Protein) such as cell debris is also produced a lot
- HCP Host Cell Protein
- the pH may be between pH 6.7 and pH 7.1, or between pH 6.8 and pH 7.0.
- the dissolved oxygen concentration may be 10% to 90%, 20% to 80%, or 30% to 60%, but is not limited thereto.
- the culture may be performed in a flask or bioreactor, but is not limited thereto.
- the type and culture conditions of the flask and bioreactor can be changed within a range that can be generally controlled by those skilled in the art.
- wave bioreactor and stirred tank bioreactor capable of suspension culture of animal cells can be used, and the pH of the culture medium is adjusted to pH 6.8 to pH 7.2 using a base solution such as CO 2 or sodium carbonate and sodium hydrogen carbonate. can, but is not limited thereto.
- the number of cells can be obtained by inoculating a cell line into a shake flask, subculture and suspension culture, and the production culture is recombinant by inoculating the cell line with the cell number secured in a bioreactor and culturing in suspension. protein can be obtained.
- the chromatography, virus inactivation process, concentration and filtration process may be performed in various sequences to achieve optimal production yield.
- the step of purifying the culture solution (b) comprises: (b-1) performing anion exchange chromatography; (b-2) performing hydrophobic interaction chromatography; (b-3) treatment with a virus-inactivating agent to inactivate the virus, followed by concentration and diafiltration; (b-4) performing mixed mode chromatography to obtain an eluate; And (b-5) after concentrating and diafiltration of the eluate, the steps of performing nanofiltration may be performed in a series sequence.
- a treatment process for removing cell debris from the culture solution may be performed before the step of purifying the culture solution (b).
- a purification step may be performed on the culture filtrate obtained by filtering the culture solution.
- the filter medium used for filtration may be a depth filter.
- the pore diameter of the filter medium may be 1 ⁇ m or less, 0.5 ⁇ m or less, 0.45 ⁇ m or less, 0.3 ⁇ m or less, 0.25 ⁇ m or less, 0.2 ⁇ m or less, and filter media of various diameters may be mixed and used.
- chromatography refers to the percolation of a mixture through an adsorbent that adsorbs or retains more or less strongly the solutes due to the properties of the solutes, such as pI, hydrophobicity, size and structure, under the specific buffer conditions of the process.
- percolation it refers to a process of separating a solute of interest in a mixture, eg, a protein of interest, from other solutes in the mixture.
- anion exchange chromatography may be used.
- the anion exchange chromatography can remove the medium composition and impurities contained in the culture solution or the culture filtrate.
- the anion exchange chromatography was performed using DEAE Cellulose, Poros PI 20, PI 50, HQ 10, HQ 20, HQ 50, D 50 (Applied Biosystems), MonoQ, MiniQ, Source 15Q and 3OQ, Q, DEAE and ANX Sepharose.
- the culture medium to be purified may be loaded at a flow rate of 150 ⁇ 15 cm/hr.
- Conditions such as the type of the resin, pH, and flow rate can be changed within a range that can be normally adjusted by those skilled in the art, but is not limited thereto.
- the anion exchange chromatography may use a wash buffer having a sodium chloride concentration of 150 mM or less, 0.1 mM to 150 mM, 10 mM to 150 mM, or 100 mM to 150 mM.
- an elution buffer having a sodium chloride concentration of 400 mM to 600 mM, 450 mM to 550 mM, or 500 mM may be used.
- the content of impurities in the culture medium containing the VZV gE antigen can be minimized.
- hydrophobic interaction chromatography may be used.
- the medium composition solution and impurities may be removed by using the hydrophobic interaction chromatography.
- the hydrophobic interaction chromatography is butyl FF, butyl HP, octyl FF, phenyl FF, phenyl HP, phenyl FF (high sub), phenyl FF (low sub), capto phenyl impres (Capto Phenyl ImpRes), capto phenyl (high sub) ), Capto Octyl, Capto Butyl Impress, Capto Butyl (GE healthcare), Toyo Pearl® Super Butyl-550C, Toyo Pearl® Hexyl-650C, Butyl-650C, Phenyl-650C, Butyl 600 M, Phenyl-600M, PPG-600M , butyl-650M, phenyl-650M, ether-650M, butyl-650S, phenyl
- a culture solution to be purified for example, an eluate of anion exchange chromatography may be loaded at a flow rate of 100 ⁇ 10 cm/hr.
- 1 to 10 M, 2 to 8 M, 3 to 7 M, or 5 M of sodium chloride may be added to the target solution before purification.
- a washing buffer containing sodium chloride may be used, and an elution buffer containing no sodium chloride may be used.
- Conditions such as the type of the resin, pH, and flow rate can be changed within a range that can be normally adjusted by those skilled in the art, but is not limited thereto.
- the step (b) of purifying the culture medium may include the step of inactivating the virus by treating the virus-inactivating agent.
- the virus inactivation process can inactivate a potential enveloped virus in a solution containing the VZV gE antigen to be purified.
- the virus-inactivating agent may be a phosphoric acid solution.
- it can be adjusted to pH 2.8 to pH 3.2, pH 2.9 to pH 3.1, or pH 3.0 by adding the virus-inactivating agent to the eluate of the hydrophobic interaction chromatography. If the pH is less than 2.8 in the virus inactivation step, the structure of the VZV gE antigen may be denatured, and if the pH exceeds 3.2, there is a fear that the virus may not be inactivated.
- mixed mode chromatography may be performed.
- the mixed mode chromatography can remove dimers and impurities from a solution containing the VZV gE antigen.
- Mixed mode chromatography can be performed with resins such as Bakerbond® ABX (JT Baker), ceramic hydroxyapatite types I and II and fluoride hydroxyapatite (Bio-Rad) and MEP and MBI Hypercell (Pall Corporation). , preferably ceramic hydroxyapatite.
- a culture solution to be purified for example, a solution obtained by concentrating and filtering an eluate of hydrophobic interaction chromatography may be loaded at a flow rate of 100 ⁇ 10 cm/hr.
- conditions such as resin, buffer, and pH can be changed within a range that can be generally controlled by those skilled in the art, but is not limited thereto.
- the step (b) of purifying the culture solution may include the step of performing concentration and filtration.
- the concentration and filtration process may be performed several times during the purification process of the culture medium, and may be performed between or after each chromatography or virus inactivation step.
- concentration and filtration may be performed to obtain a solution having conditions suitable for mixed mode chromatography.
- the VZV gE fraction may be concentrated by ultrafiltration and/or diafiltration, and may include one or more tangential flow filtration (TFF) steps.
- concentration and filtration may be performed to control the concentration of the VZV gE antigen.
- diafiltration may be performed until the pH and conductivity of the filtrate reach desired values, and then ultrafiltration may be used to control the protein concentration.
- the step (b) of purifying the culture solution may include nanofiltration of the concentrated and filtered mixed mode chromatography eluate.
- the nanofiltration may use a filtration system through a nanofilter. Nanofiltration can be used to separate the virus from a solution comprising VZV gE antigen, for example, a nanofilter with a pore size of less than 75 nm, less than 50 nm or less than 15 nm.
- the step (b) of purifying the culture solution may further include filtration after diluting the nano-filtered filtrate with a formulation buffer.
- the filtration may be performed using a micro filter having a pore size of 0.05 to 0.8 ⁇ m, 0.07 to 0.6 ⁇ m, or 0.1 to 0.4 ⁇ m.
- the protein When the nano-filtered filtrate is diluted through the step of purifying the culture solution (b) and filtered using a micro filter, the protein can be obtained in a yield of 97% or more, 98% or more, 99% or more, or 99.5% or more.
- the HCP content of the purified culture medium is about 180 ppm or less, 170 ppm or less, 160 ppm or less, 150 ppm or less, 100 ppm or less, 80 ppm or less, 70 ppm or less, 60 ppm or less, 50 ppm or less, 30 ppm or less, or It may be 10 ppm or less.
- the expression vector was transfected into CHO DG44 (Thermo Fisher Scientific, USA) host cells adapted to a chemically defined medium (CDM4CHO (+0/20 nM MTX; Methotrexate)), and the surface protein antigen of Varicella zoster virus A cell line (MGgE-CHO DG44) that highly expresses ((MGgE, SEQ ID NO: 1) was prepared.
- the pMSID2-MGgE expression vector prepared in Example 1 and the truncated gE antigen (GSKgE; SEQ ID NO: 4) disclosed in Korean Patent Registration No. 10-1357204 were used.
- the pMSID2-GSKgE expression vector prepared by cloning the coding gene into the pMSID2 vector was transformed into a cell line (MGgE-CHO-S) using CHO-S host cells adapted to a chemically defined medium (CD forti CHO (+50 nM MTX)). and GSKgE-CHO-S) were prepared.
- VGV gE After culturing the MGgE-CHO DG44, MGgE-CHO-S and GSKgE-CHO-S in a chemically defined medium for 6 days, the expression level of VGV gE was confirmed by western blot and ELISA (Enzyme-linked immunosorbent assay).
- the productivity of MGgE was superior to that of GSKgE in the CHO-S cell line, and the productivity of MGgE was superior to that of CHO-DG44 in the CHO-S cell line.
- MGgE had the highest productivity in the cell line of CHO DG44(S) adapted to CDM4CHO (+20 nM MTX) medium.
- Example 2 Establishment of a culture method for MGgE production
- Example 2.1 Seed culture to secure cell number of cell line
- the MGgE-CHO DG44 cell line prepared in Example 1 was inoculated in a 500 mL flask to a total of 100 mL at 3x10 5 cells/mL or more, and cultured at 36°C to 38°C, 4% to 6% CO 2 conditions, The number of cells was secured by repeating the step of inoculating a cell line of 2x10 5 cells/mL to 5x10 5 cells/mL to a total of 200 mL to 800 mL while increasing the volume of the flask at intervals of 2 to 4 days.
- the MGgE-CHO DG44 cell line obtained in Example 2.1 was inoculated into a bioreactor at a cell concentration of 2x10 5 cells/mL to 5x10 5 cells/mL, and then at a constant temperature of 34°C to 35.5°C, pH 6.7 to pH 7.1, 10% to 90% dissolved oxygen, and suspension cultured under conditions of a stirring speed of 62 rpm to 72 rpm.
- ELISA was performed to measure the content of MGgE antigen. Specifically, after diluting VZV gE antibody (Cat. #sc-17549, 200 ⁇ g/mL) in PBS to a concentration of 1 ⁇ g/mL, put 100 ⁇ L per well in a 96-well ELISA plate, and overnight incubation at 4°C (coating) did After washing the plate 3 times with a washing solution (0.05% tween 20 / PBS (phosphate-buffered saline)), it was incubated for 1 hour with a PBS solution containing 2% BSA. After washing the ELISA plate again, diluted samples were added, incubated for 2 hours, and washed again.
- VZV gE antibody Cat. #sc-17549, 200 ⁇ g/mL
- PBS phosphate-buffered saline
- VZV gE antibody (Cat. #sc-56995, 100 ⁇ g/mL) was diluted to a concentration of 1 ⁇ g/mL, put in 100 ⁇ L per well, and incubated at room temperature for 1 hour. After washing the plate, diluted Goat anti-mouse IgG-HRP to 1/1000 concentration, put 100 ⁇ L per well, and incubated for 1 hour at room temperature.
- the MGgE-CHO DG44 cell line obtained in Example 2.1 above was treated with 2x10 5 cells/mL After inoculation and suspension culture in a bioreactor at a cell concentration of 5x10 5 cells/mL to about 60x10 5 cells/mL, 80x10 5 cells/mL and 150x10 5 cells/mL, the incubation temperature was increased when the cell concentration reached about 60x10 5 cells/mL, respectively. It was lowered to 32 °C and cultured for production.
- the MGgE-CHO DG44 cell line obtained in Example 2.1 was cultured under constant temperature conditions at 37°C, and then the productivity of MGgE antigens was compared (see Table 1, FIGS. 5A and 5B ).
- Example 2.2 the MGgE-CHO DG44 cell line inoculated into a bioreactor with a cell concentration of 2x10 5 cells/mL to 5x10 5 cells/mL was produced under constant temperature conditions selected within the range of 33 to 37 ° C. cultured (Table 2, Figures 6a and 6b).
- FIGS. 6a and 6b low-temperature culture conditions lower than 37°C, which is a suitable temperature for general CHO cells to grow (incubation period at a constant temperature of 34°C to 35.5°C, the culture period was increased, and productivity was increased. In addition, cell growth was slowed and productivity was lowered under conditions below 33.5 ° C.
- qP is related to the number of cells in culture. This is because the number is much smaller than that of other batches (see Integral VCD values), that is, it can be seen that the low temperature conditions of 34°C to 35.5°C significantly improved the productivity of MGgE antigen in the MGgE-CHO DG44 cell line.
- the pressure condition during filtration was maintained below 0.9 bar, and the filtrate from which cell debris was removed was filtered with a 0.45 + 0.2 ⁇ m filter (Sartopore II, Sartorius, Germany) to obtain a culture filtrate.
- Example 3.2 Anion exchange chromatography - Comparison of yields according to sodium chloride concentration of wash buffer and elution buffer
- the column was equilibrated to a pH of 7.0 ⁇ 0.2 using an equilibration buffer. Then, the culture filtrate obtained in Example 3.1. was loaded onto the column so that the flow rate was 150 ⁇ 15 cm/hr. Thereafter, the MGgE antigen was eluted and recovered using an elution buffer containing sodium chloride after washing sequentially with an equilibration buffer and a wash buffer containing sodium chloride.
- Q sepharose FF GE Healthcare, USA
- anion exchange chromatography was performed using a wash buffer containing 150 mM, 200 mM and 250 mM sodium chloride and an elution buffer containing 500 mM sodium chloride (Table 3).
- anion exchange chromatography was performed using a wash buffer containing 150 mM sodium chloride and an elution buffer containing 400 mM, 500 mM and 600 mM sodium chloride (Table 4).
- the optimal concentrations of sodium chloride contained in the wash buffer and the elution buffer in the anion exchange chromatography during the purification step of the MGgE antigen are 150 mM and 500 mM, respectively.
- Hydrophobic interaction chromatography was performed to remove the medium composition and impurities that could not be removed from the anion exchange chromatography eluate obtained in Example 3.2.
- the column was equilibrated to a pH of 7.0 ⁇ 0.2 using an equilibration buffer. Then, 5 M sodium chloride was added to the anion exchange chromatography eluate obtained in Example 3.2, and the column was loaded at a flow rate of 100 ⁇ 10 cm/hr. Thereafter, the MGgE antigen was eluted and recovered using an equilibration buffer and a wash buffer containing 1 M sodium chloride, and then an elution buffer containing no sodium chloride.
- Tosoh Tosoh
- the virus inactivation step was performed by adding a solvent to inactivate the enveloped virus in the solution containing the MGgE antigen.
- the pH was adjusted to 3.0 ⁇ 0.2 by adding phosphoric acid to the hydrophobic interaction chromatography eluate obtained in Example 3.3, and stirred at 100 ⁇ 20 rpm for 30 minutes at room temperature (control) to remove the virus. inactivated. Thereafter, the pH was adjusted to 6.5 ⁇ 0.5 using disodium phosphate.
- Example 3.5 First concentration and diafiltration
- the first concentration and diafiltration steps were performed to remove low molecular weight ions from the solvent-added MGgE-containing solution obtained in Example 3.4 and to have conditions suitable for the mixed mode chromatography process.
- the solution containing the MGgE antigen to which the solvent was added was subjected to ultrafiltration using an ultrafiltration/diafiltration (Sartocon cassette (50K)) system, and the equilibration buffer of the next process, the Mixed mode chromatography process, was diafiltration was performed until the pH of the filtrate was 7.2 ⁇ 0.2 and the conductivity was 2.5 mS/cm or less.
- hydroxyapatite (Ceramic Hydroxyapatite, Bio-Rad) resin, which is a ceramic material, using an equilibration buffer
- the pH was equilibrated to 7.2 ⁇ 0.2.
- the non-adsorbed solution was recovered while the solution containing the dialysis and/or concentrated MGgE antigen of Example 3.5 was loaded onto the column at a flow rate of 100 ⁇ 10 cm/hr, and then the column was washed with an equilibration buffer to recover together.
- the mixed mode chromatography non-adsorbent solution used an ultrafiltration/diafiltration (Sartocon cassette (50K)) system, and the pH of the filtrate was 7.4 ⁇ 0.2, using the equilibration buffer of the next step, the nanofiltration process, Diafiltration was performed until the conductivity became 15.5 mS/cm or more. Thereafter, it was concentrated by ultrafiltration to a protein concentration of 7.0 ⁇ 0.5 mg/mL.
- Nanofiltration is a virus removal step, and pH was equilibrated to 7.4 ⁇ 0.2 using a formulation buffer in a nanofilter (Planova 20N, Asahi).
- the virus was removed from the solution containing the dialysis-concentrated MGgE antigen in Example 3.7 through a nanofilter under a pressure condition of 1.0 ⁇ 0.2 bar, and then the nanofilter was washed with an equilibration buffer. After mixing the nano-filtered filtrate and the washing solution together, the protein concentration was measured.
- the nano-filtered filtrate obtained in Example 3.8 was diluted with a formulation buffer so that the protein concentration was 5.0 ⁇ 0.5 mg/mL, and then filtered using a 0.2 ⁇ m filter.
- Example 3 the yield of each purification step was confirmed by measuring the content of MGgE antigen at each step (Table 6). With respect to the protein content of MGgE in Table 6, each culture medium that has undergone the Harvest and clarification and Anion exchange chromatography steps marked with * was confirmed by an ELISA test, and the culture medium in subsequent steps was measured using UV.
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Abstract
Description
Process parameter | w/o temp. shift | Temp. shift (37 →32°C) | ||
(1) | (2) | (3) | ||
Temperature (°C) | 37.0±0.5 | 37.0±0.5 → 32.0±0.5 | ||
Temperature shift point (x105 cells/mL) | N/A | Approximately 60 | Approximately 80 | Approximately 150 |
Process parameter | w/o temp. shift | Temp. shift (37 →32°C) | ||
(1) | (2) | (3) | ||
Culture duration (day) |
11.5 | 14 | 14 | 14 |
Harvest productivity (mg/L) | 1576±28 | 1096 | 1248 | 1183±115 |
qP (pg/cell/day) | 13.7±0.7 | 11.9 | 11.5 | 7.7±0.5 |
Process parameter | 33.0°C | 33.5°C | 34.0°C | 34.5°C | 35.0°C | 35.5°C | 37.0°C |
Temperature | 33.0°C | 33.5°C | 34.0°C | 34.5°C | 35.0°C | 35.5°C | 37.0°C |
Process performance | |||||||
Integral VCD (x105 cells/mL·day) |
121.4 | 645.7 | 1681.4 | 1848.1 | 1705.7 | 1312.2 | 849.6 |
Culture duration (day) | 11 | 16 | 14 | 14 | 14 | 12 | 10 |
Harvest productivity (mg/L) | 205 | 880 | 2711 | 3268 | 3247 | 2196 | 1142 |
qP (pg/cell/day) | 16.9 | 13.6 | 16.1 | 17.7 | 19.0 | 16.7 | 13.4 |
세척 완충액 조건 | gE 총량 (ug) | 수율 (%) |
HCP 총량 (ug) | 수율 (%) |
용출액 | |||||
pH | NaCl conc. (mM) |
로드액 | 용출액 | 로드액 | 용출액 | MGgE 총량 (ug) |
HCP 총량 (ug) |
HCP/MGgE (%) |
||
7 | 150 | 253601 | 163781 | 64.6 | 171929 | 5401 | 3.1 | 163781 | 5400.8 | 3.3 |
200 | 253601 | 87608 | 34.5 | 171929 | 3082 | 1.8 | 87608 | 3081.6 | 3.5 | |
250 | 200780 | 29096 | 14.5 | 231663 | 1802 | 0.8 | 29096 | 1802.4 | 6.2 |
용출 완충액 조건 | gE 총량 (ug) | 수율 (%) |
HCP 총량 (ug) | 수율 (%) |
용출액 | |||||
pH | NaCl conc. (mM) |
로드액 | 용출액 | 로드액 | 용출액 | MGgE 총량 (ug) |
HCP 총량 (ug) |
HCP/MGgE (%) |
||
7 | 400 | 253601 | 81152 | 32.0 | 171929 | 3093 | 1.8 | 81152 | 3093 | 3.8 |
500 | 253601 | 87608 | 34.5 | 171929 | 3082 | 1.8 | 87608 | 3082 | 3.5 | |
600 | 200780 | 86710.4 | 43.2 | 231663 | 3669 | 1.6 | 86710 | 3669 | 4.2 |
pH | 불활화 시간 (분) |
함량 (μg/mL) | 순도 (%) | |
UV 함량 | gE ELISA | SE-HPLC | ||
3.0 | 30 (control) | 598 | 776 | 93.61 |
60 | 593 | 827 | 93.13 | |
90 | 585 | 760 | 92.80 | |
120 | 571 | 795 | 93.48 | |
초기값 대비 120 반응 후 % | 95% | 103% | 100% |
공정 | MGgE | HCP | SE-HPLC | ||
단백량 (g) |
수율 (%) | ppm | LRV | % | |
Harvest and clarification | 334.0 * | - | - | - | - |
254.5 * | 76% | - | - | - | |
Anion exchange chromatography | 251.0 * | - | 199488.8 | - | - |
199.8 * | 80% | 13854.9 | 1.16 | 85.48 | |
Hydrophobic interaction chromatography | 231.3 | - | 10914.2 | - | - |
126.9 | 55% | 4432.8 | 0.39 | 91.86 | |
Virus inactivation | 125.5 | - | 4432.8 | - | - |
125.1 | 100% | 3335.2 | 0.12 | 99.21 | |
1st concentration and diafiltration | 124.6 | - | 3335.2 | - | - |
105.0 | 84% | 3258.0 | 0.01 | 95.24 | |
Mixed mode chromatography | 104.1 | - | 3258.0 | - | - |
107.3 | 103% | 423.6 | 0.89 | 97.43 | |
2nd concentration and diafiltration | 106.8 | - | 423.6 | - | - |
108.0 | 101% | 216.3 | 0.29 | 99.26 | |
Nano filtration | 101.0 | - | 216.3 | - | - |
91.5 | 91% | 197.3 | 0.04 | 99.27 | |
Dilution and filtration | 89.4 | - | - | - | - |
100.5 | - | - | - | 99.32 | |
Drug substance (Antigen) | 100.5 | - | 180.4 | - | - |
97.5 | 97% | 172.6 | 0.02 | 99.32 |
Claims (15)
- (a) 바리셀라 조스터 바이러스(Varicella-Zoster Virus, VZV)의 표면 단백질(gE) 항원을 생산하는 재조합 세포주를 배양하여 배양액을 수득하는 단계; 및(b) 상기 배양액을 정제하는 단계;를 포함하는, VZV gE 항원의 생산 방법.
- 제1항에 있어서,상기 (a) 배양액을 수득하는 단계는,(a-1) 상기 재조합 세포주를 종배양하는 단계; 및(a-2) 상기 종배양한 세포주를 생산배양하는 단계;를 포함하는 것인, 방법.
- 제1항에 있어서,상기 (b) 배양액을 정제하는 단계는,음이온 교환 크로마토그래피를 수행하는 단계;소수성 상호작용 크로마토그래피를 수행하는 단계;바이러스-비활성제를 처리하여 바이러스를 불활화시키는 단계;혼합 모드 크로마토그래피를 수행하는 단계; 및농축 및 여과를 수행하는 단계;를 포함하는 것인, 방법.
- 제3항에 있어서,상기 (b) 배양액을 정제하는 단계는,(b-1) 음이온 교환 크로마토그래피를 수행하는 단계;(b-2) 소수성 상호작용 크로마토그래피를 수행하는 단계;(b-3) 바이러스-비활성제를 처리하여 바이러스를 불활화시킨 후, 농축 및 투석여과를 수행하는 단계;(b-4) 혼합 모드 크로마토그래피를 수행하여 용출액을 수득하는 단계; 및(b-5) 상기 용출액을 농축 및 투석여과한 후에, 나노여과를 수행하는 단계;가 일련의 순서대로 수행되는 것인, 방법.
- 제1항에 있어서,상기 VZV gE 항원은 서열번호 1로 표시되는 아미노산 서열로 이루어진 폴리펩타이드인 것인, 방법.
- 제1항에 있어서,상기 세포주는 서열번호 2로 표시되는 염기서열로 이루어진 유전자로 형질전환된 것인, 방법.
- 제2항에 있어서,상기 (a-1) 종배양하는 단계는, VZV gE 항원을 생산하는 세포주를 계대배양, 현탁배양 및 이의 조합으로 이루어진 군으로부터 선택되는 어느 하나의 방법으로 배양하는 것인, 방법.
- 제2항에 있어서,상기 (a-1) 종배양하는 단계는, 상기 세포주를 34 내지 38℃의 온도에서 배양하는 것인, 방법.
- 제2항에 있어서,상기 (a-2) 생산배양하는 단계는, 상기 세포주를 34 내지 35.5℃의 온도에서 배양하는 것인, 방법.
- 제3항 또는 제4항에 있어서,상기 음이온 교환 크로마토그래피는 염화나트륨의 농도가 0.1 mM 내지 150 mM인 세척 완충액을 사용하는 것인, 방법.
- 제3항 또는 제4항에 있어서,상기 음이온 교환 크로마토그래피는 염화나트륨의 농도가 400 mM 내지 600 mM인 용출 완충액을 사용하는 것인, 방법.
- 제3항 또는 제4항에 있어서,상기 바이러스-비활성제는 인산 용액인 것인, 방법.
- 제3항 또는 제4항에 있어서,상기 바이러스를 불활화시키는 단계는 pH는 2.8 내지 3.2의 조건에서 수행되는 것인, 방법.
- 제4항에 있어서,상기 (b-5) 단계의 나노여과는, 나노 필터를 통한 여과 시스템을 이용하는 것인, 방법.
- 제4항에 있어서,상기 (b-5) 단계 이후, 수득한 나노여과된 여과액을 제형 완충액으로 희석한 후, 여과하는 단계를 추가로 포함하는 것인, 방법.
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EP21838132.5A EP4180521A1 (en) | 2020-07-10 | 2021-07-06 | Method for production of varicella zoster virus surface protein antigen |
JP2022574801A JP7487858B2 (ja) | 2020-07-10 | 2021-07-06 | 水痘帯状疱疹ウイルス表面タンパク質抗原を生産するための方法 |
CN202180048216.3A CN115777018A (zh) | 2020-07-10 | 2021-07-06 | 用于产生水痘-带状疱疹病毒表面蛋白抗原的方法 |
US18/014,296 US20230257718A1 (en) | 2020-07-10 | 2021-07-06 | Method for production of varicella zoster virus surface protein antigen |
BR112022026727A BR112022026727A2 (pt) | 2020-07-10 | 2021-07-06 | Método para produção de antígeno de proteína de superfície de vírus varicela-zóster |
ZA2022/13085A ZA202213085B (en) | 2018-08-22 | 2022-12-02 | Method for production of varicella zoster virus surface protein antigen |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023179588A1 (zh) * | 2022-03-21 | 2023-09-28 | 厦门大学 | 截短的水痘-带状疱疹病毒囊膜糖蛋白gE |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100189231B1 (ko) * | 1993-09-13 | 1999-06-01 | 루드빅 프롬버거, 레오폴드 페르뮐러 | 셀룰로오스 시이트의 제조를 위한 장치 및 방법 |
KR20070110413A (ko) * | 2005-03-03 | 2007-11-16 | 글락소스미스클라인 바이오로지칼즈 에스.에이. | 바리셀라 조스터 바이러스 백신 |
KR101591823B1 (ko) | 2013-12-27 | 2016-02-04 | 재단법인 목암생명공학연구소 | 증가된 유전자 발현능을 갖는 발현벡터 |
KR20180059371A (ko) * | 2016-11-25 | 2018-06-04 | 재단법인 목암생명과학연구소 | 바리셀라 조스터 바이러스 백신 |
KR20190099269A (ko) * | 2016-12-23 | 2019-08-26 | 세럼 인스티튜트 오브 인디아 프라이비트 리미티드 | 포유류 세포 배양에서 항체 생산성을 증강시키고 하류 제제화 프로세스 동안 응집을 최소화하기 위한 개선된 방법, 및 그로부터 수득된 안정한 항체 제제 |
WO2019225962A1 (ko) | 2018-05-23 | 2019-11-28 | 재단법인 목암생명과학연구소 | 바리셀라 조스터 바이러스의 항원 변이체 및 이의 용도 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6013631A (en) | 1998-06-19 | 2000-01-11 | Xoma Corporation | Bactericidal/permeability-increasing protein (BPI) deletion analogs |
GB0910591D0 (en) * | 2009-06-19 | 2009-07-29 | Immunobiology Ltd | Method for the purification of protein complexes |
KR102238133B1 (ko) | 2013-11-15 | 2021-04-09 | 제넨테크, 인크. | 환경-친화적 세제를 사용한 바이러스 불활성화 방법 |
MX2017011121A (es) | 2015-03-13 | 2017-11-28 | Bristol Myers Squibb Co | Uso de lavados alcalinos durante la cromatografia para remover impurezas. |
CN105175548B (zh) | 2015-08-13 | 2019-02-05 | 齐鲁制药有限公司 | 重组人血管内皮生长因子受体-抗体融合蛋白的纯化方法 |
-
2020
- 2020-07-10 KR KR1020200085685A patent/KR102270048B1/ko active IP Right Grant
-
2021
- 2021-07-06 BR BR112022026727A patent/BR112022026727A2/pt unknown
- 2021-07-06 JP JP2022574801A patent/JP7487858B2/ja active Active
- 2021-07-06 US US18/014,296 patent/US20230257718A1/en active Pending
- 2021-07-06 CN CN202180048216.3A patent/CN115777018A/zh active Pending
- 2021-07-06 EP EP21838132.5A patent/EP4180521A1/en active Pending
- 2021-07-06 WO PCT/KR2021/008537 patent/WO2022010213A1/ko active Application Filing
- 2021-07-07 TW TW110125003A patent/TW202216736A/zh unknown
- 2021-07-08 AR ARP210101923A patent/AR122915A1/es unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100189231B1 (ko) * | 1993-09-13 | 1999-06-01 | 루드빅 프롬버거, 레오폴드 페르뮐러 | 셀룰로오스 시이트의 제조를 위한 장치 및 방법 |
KR20070110413A (ko) * | 2005-03-03 | 2007-11-16 | 글락소스미스클라인 바이오로지칼즈 에스.에이. | 바리셀라 조스터 바이러스 백신 |
US7939084B1 (en) | 2005-03-03 | 2011-05-10 | Glaxosmithkline Biologicals, S.A. | Vaccine against varicella zoster virus |
KR101357204B1 (ko) | 2005-03-03 | 2014-02-06 | 글락소스미스클라인 바이오로지칼즈 에스.에이. | 바리셀라 조스터 바이러스 백신 |
KR101591823B1 (ko) | 2013-12-27 | 2016-02-04 | 재단법인 목암생명공학연구소 | 증가된 유전자 발현능을 갖는 발현벡터 |
KR20180059371A (ko) * | 2016-11-25 | 2018-06-04 | 재단법인 목암생명과학연구소 | 바리셀라 조스터 바이러스 백신 |
KR20190099269A (ko) * | 2016-12-23 | 2019-08-26 | 세럼 인스티튜트 오브 인디아 프라이비트 리미티드 | 포유류 세포 배양에서 항체 생산성을 증강시키고 하류 제제화 프로세스 동안 응집을 최소화하기 위한 개선된 방법, 및 그로부터 수득된 안정한 항체 제제 |
WO2019225962A1 (ko) | 2018-05-23 | 2019-11-28 | 재단법인 목암생명과학연구소 | 바리셀라 조스터 바이러스의 항원 변이체 및 이의 용도 |
Non-Patent Citations (4)
Title |
---|
ADRIANA WEINBERG ET AL., J INFECTIOUS DISEASES, vol. 200, no. 7, 2009, pages 1068 |
FURUKAWA K ET AL.: "Enhancement of productivity of recombinant a-amidating enzyme by low temperature culture", CYTOTECHNOL, vol. 31, 1999, pages 85 - 94, XP019236635, DOI: 10.1023/A:1008059803038 |
JUDITH BREUER ET AL., EXPERT REVIEW OF VACCINES, 2017 |
YOON S K ET AL.: "Enhancing Effect of Low Culture Temperature on Specific Antibody Productivity of Recombinant Chinese Hamster Ovary Cells: Clonal Variation", BIOTECHNOL PROG, vol. 20, 2004, pages 1683 - 1688 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023179588A1 (zh) * | 2022-03-21 | 2023-09-28 | 厦门大学 | 截短的水痘-带状疱疹病毒囊膜糖蛋白gE |
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