WO2005120579A1 - 膜融合活性のある不活性化ウイルスエンベロープの凍結乾燥組成物 - Google Patents
膜融合活性のある不活性化ウイルスエンベロープの凍結乾燥組成物 Download PDFInfo
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- WO2005120579A1 WO2005120579A1 PCT/JP2005/010720 JP2005010720W WO2005120579A1 WO 2005120579 A1 WO2005120579 A1 WO 2005120579A1 JP 2005010720 W JP2005010720 W JP 2005010720W WO 2005120579 A1 WO2005120579 A1 WO 2005120579A1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N7/00—Viruses; Bacteriophages; Compositions thereof; Preparation or purification thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/19—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles lyophilised, i.e. freeze-dried, solutions or dispersions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2770/00—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses positive-sense
- C12N2770/00011—Details
- C12N2770/24011—Flaviviridae
- C12N2770/24111—Flavivirus, e.g. yellow fever virus, dengue, JEV
- C12N2770/24151—Methods of production or purification of viral material
Definitions
- the present invention relates to a freeze-dried composition of an inactive danivirus envelope having membrane fusion activity.
- the present invention relates to a freeze-dried composition for introducing a nucleic acid, protein, drug or the like into cells and living tissues, a method for producing the composition, and a method for using the composition.
- virus vector methods and non-viral (synthetic) vector methods have been developed for introducing foreign substances such as genes into cells or living tissues.
- the viral vector method is more effective than the non-viral vector method in introducing foreign substances for gene delivery to cells.
- viral vectors can raise safety issues due to the co-introduction of essential gene elements of parenteral virulence, leaky expression of viral genes, immunogenicity, and alteration of host genomic structure.
- non-viral vectors are less cytotoxic and less immunogenic.
- the non-viral vector method since a foreign substance is generally taken into cells by an endocytosis pathway, the ability to introduce genes and the like is lower than in the viral vector method. Holding
- HVJ active HVJ envelope
- Patent Document 2 Inactive in the presence of genes to be introduced into cells
- the gene is encapsulated in the envelope by subjecting the envelope to freeze-thawing or treatment with a surfactant, and then the envelope is brought into contact with cells to be transfected, whereby the envelope is mediated through membrane fusion activity.
- a gene or the like is introduced into cells.
- Inactivated HVJ envelopes can be mass-produced and can be used to introduce genes, etc., by a relatively simple method. Therefore, they are used in a number of tests for introducing foreign substances into cells.
- this inactive iDani HVJ envelope can be frozen and stored (70 ° C) while retaining its ability to introduce genes and the like. No report. It is presumed that the function or structure of the inactive HVJ envelope having membrane fusion activity due to lyophilization is impaired, but from the viewpoint of transportation and storage, the inactive HVJ envelope frozen by lyophilization can be stored at higher temperatures. There was a need for a dry composition.
- Patent Document 1 U.S. Patent 5,631,237
- Patent Document 2 WOOlZ57204
- Non-patent document l Dzau, VJet al. Proc. Natl. Acad. Sci. USA, 93, 11421 to 11425 (1996)
- Non-patent document 2 Kaneda, Y. et al. Molecular Medicine Today, 5, 298 to 303 (1999) ) Disclosure of the invention
- the inventors of the present invention have intensively studied a method of freeze-drying an inactive iDani virus envelope having fusogenic activity. As a result, the addition of a protein hydrolyzate or a certain amino acid does not affect the fusogenic activity. It has been found that the active envelope is effective in retaining the ability to introduce foreign substances into the virus envelope. Further, they have found that reduction of salts is also effective in maintaining the ability to introduce a foreign substance into an inactive Gani virus envelope having membrane fusion activity, and completed the present invention. It has also been found that these treatments effectively maintain the membrane fusion activity of the above-described inactivated Giravirus virus envelope. Further, the obtained inactive iDani virus envelop having membrane fusion activity is obtained. A novel method for introducing foreign substances using a freeze-dried composition of a pump has been completed. That is, the present invention has the following features.
- the invention comprises an inactive Giravirus virus envelope having fusogenic activity, and one or more stabilizers selected from the group consisting of protein hydrolyzate, leucine, L-arginic acid and polysaccharides. Freeze-dried composition.
- Inactive iDani virus envelope with membrane fusion activity It is an inactive iDani virus envelope of viruses of the Noramyxoviridae, orthomyxoviridae, herpesviridae, hepadnaviridae, or flaviviridae. Lyophilized composition according to 1 above
- the freeze-dried composition is the freeze-dried composition according to any one of the above 1 to 8, 9.
- the previously reported inactive iDani virus envelopes with membrane fusion activity must be stored frozen (20 ° C), more preferably ultra-frozen (170 ° C or less).
- the activity of introducing foreign substances was significantly reduced in about 2 weeks under refrigeration. Therefore, it was difficult to store in a place without freezing or ultra-freezing equipment, and it was also difficult to transport it which required a long time.
- the freeze-dried composition of the inactive iDani virus envelope having the membrane fusion activity of the present invention can be stored at room temperature (25 ° C or lower), and the restrictions on the place of use and transportation which are convenient for use have been eliminated. .
- the method for introducing a foreign substance according to the present invention has significantly improved introduction efficiency, is simpler, and has a wider range of applications such as high-throughput analysis.
- inactivation refers to the inactivation of a gene when referring to a virus.
- the term “inactivation” means that the gene is not replicated, Proliferation 'refers to those that have lost infectivity.
- Examples of the method for inactivating viruses include UV irradiation, radiation irradiation, treatment with an alkylating agent, and the like. Forced UV irradiation and treatment with an alkylating agent are desired. Specifically, the method described in WO01Z57204 It can be performed according to. More desirably, treatment with an alkylating agent is performed.
- the virus envelope is generally composed of a spike protein encoded by a viral gene, a small protrusion structure, and a host-derived double lipid membrane, and does not itself have a growth ability.
- the spike protein which is a small projection, contains a certain type of membrane fusion protein, and its function causes membrane fusion. Show synergy.
- the “inactivated virus envelope” includes an inactivated virus and Z or its envelope.
- the term “inactive iridani virus envelope having membrane fusion activity” refers to an inactive iridani virus envelope in which a membrane fusion protein having membrane fusion activity functions in the inactivated viral envelope.
- viruses containing a membrane fusion protein in the envelope include certain higher viruses such as Noramyxoviridae, Orthomyxoviridae, Herpesviridae, Hepadnaviridae, and Flaviviridae.
- viruses By this membrane fusion activity, the cell membrane of the cell is fused and various cells are infected.
- any virus having such properties can be used.
- Paramyxoviridae, Orthomyxoviridae, Herpesviridae, Hepadnaviridae, Flaviviridae viruses are more preferably Paramyxoviridae viruses, and even more preferably HVJ ( Sendai virus).
- the method for culturing the virus described above is described in "Virus Experimental Protocol: Published by Medical View, 1995".
- the Sendai virus of the family Noramyxoviridae is not only propagated in fertilized eggs such as -Avians, but also infects cultured cells and tissues of mammals (by adding a hydrolase such as trypsin to the culture solution). Culture).
- a method for preparing an inactive Ganivirus envelope having membrane fusion activity for example, purification and reconstitution methods by ultracentrifugation or column chromatography can be used.
- a more preferable purification method is a purification method including ion chromatography, and specifically, the method described in Example 1 (1) and Example 7 (1) to (5) of WO03 / 014338. Is mentioned.
- the inactive iridase virus envelope is released from the ion chromatography with a high concentration of buffers. For example, this is concentrated with a tangential flow filter (TFF) module based on the dialysis principle. This dialysis concentration is repeated, and in the step of mixing with the next stabilizer, the concentration of the inactivated virus envelope suspension OD (turbidity: 558 nm; hereinafter, the same applies unless otherwise specified) force ⁇ ). 1 ⁇ 7.0, preferably ODOD force ⁇ ). 25 ⁇ 5.0, more preferably 0.3 ⁇ 2.5 Concentrate so that it can be adjusted.
- TFF tangential flow filter
- the concentration of the buffer or salt such as NaCl contained in the final suspension of the inert gel virus envelope after mixing with the stabilizer is 3 mM (mmol) or less, preferably ImM or less, more preferably Adjust to a salt concentration of 0.3 mM or less
- the final salt concentration is adjusted to 3 mM or less, preferably ImM or less, more preferably 0.3 mM or less. I do.
- examples of the protein hydrolyzate used as a stabilizer include polypeptone, bactopeptone, batatotryptone, caseinate hydrolyzate, and the like.
- examples of the amino acid used as the stabilizer include L-one-isocyanate and L-arginine monohydrochloride, and preferably L-arginine monohydrochloride.
- examples of the solvent for dissolving leucine and L-arginic acid include distilled water, UF water, and a buffer solution. Preferably, distilled water and UF water are used.
- the protein hydrolyzate or leucine or L-arginic acid is 0.1% to 2.5% in the suspension of the inactivated virus envelope before lyophilization, preferably 0.2% to 1.5%. If you want to make it so that
- examples of the polysaccharide used as a stabilizer include methylcellulose, 13-glucan, pectin, agarose, dextran, and dextrin. Preferably, it is methylcellulose.
- examples of the solvent for dissolving the polysaccharide include distilled water, UF water, and a buffer. Preferably, distilled water and UF water are used.
- the polysaccharide may be added to the suspension of the inactivated virus envelope before freeze-drying so that the concentration becomes 0.05% to 0.5%, preferably 0.1% to 0.2%. Good. Also, the addition of polysaccharides makes it easier to handle freeze-dried compositions that are produced with less friability of the freeze-dried composition. A similar effect of suppressing dusting can also be obtained by using added syrup such as trehalose.
- one or more stabilizers selected from the group consisting of protein hydrolyzate, amino acid and polysaccharide can be used, and a single stabilizer or two or more stabilizers may be used in combination.
- the combination of the protein hydrolyzate and the polysaccharide, the amino acid and the polysaccharide And more preferably a combination of the protein hydrolyzate and the polysaccharide, and more specifically, a combination of polypeptone or bactopeptone with methylcellulose.
- a protein hydrolyzate, amino acids, or polysaccharide is added to a virus envelope having membrane fusion activity obtained by the above-mentioned preparation method at a predetermined concentration.
- known pH adjusters, isotonic slurries, stabilizers, and preservatives may be mixed as necessary.
- a protein hydrolyzate, an amino acid, or a polysaccharide may be dissolved in the above aqueous medium, and added to the prepared virus envelope having fusogenic activity to a predetermined concentration, followed by mixing. This mixture may be freeze-dried according to a standard method. Known methods such as tray freeze-drying, spray freeze-drying, and vial freeze-drying can be employed for the freeze-drying under conditions generally used.
- the lyophilized composition of the inactive Ganivirus virus envelope having fusogenic activity of the present invention also includes the following.
- A a foreign substance containing one or more substances selected from the group consisting of protein hydrolyzate, leucine, L-arginic acid and polysaccharides as an inactive virus-envelope having membrane fusion activity and a stabilizer;
- a lyophilized composition for introduction a foreign substance containing one or more substances selected from the group consisting of protein hydrolyzate, leucine, L-arginic acid and polysaccharides as an inactive virus-envelope having membrane fusion activity and a stabilizer;
- (C) A mixture of the inactive virus envelope and the stabilizing agent prepared in the step (A) (1), wherein the concentration of the inactive virus envelope is ODO.1 to 7.0, and the polysaccharide is The lyophilized composition according to the above (A), which is prepared so that the concentration of the lyophilized solution is 0.05% to 0.5%.
- (D) a mixture of the inactive virus envelope and the stabilizing agent prepared in the step (A) (1), wherein the concentration of the inactive virus envelope is ODO. 1 to 7.0, and the protein The lyophilized composition according to (A), which is prepared so that the concentration of the hydrolyzate is 0.1% to 2.5% and the concentration of the polysaccharide is 0.05% to 0.5%.
- a foreign substance can be retained in an inactivated virus envelope having membrane fusion activity, and a vector for introduction can be prepared.
- the exogenous substance-introducing vector is added or administered to cells or living tissue to introduce the exogenous substance.
- a rehydration method was found as a novel method for creating this foreign substance introduction vector.
- a surfactant which has conventionally been required without using a surfactant is used.
- an aqueous solution or aqueous suspension of a foreign substance and an inactive iridani virus having membrane fusion activity are used.
- foreign substances can be introduced by adding or administering to cells or living tissues. Under the condition of 0 ° C. to 25 ° C., it is preferable to ripen immediately for 10 minutes, and when the number of samples is large, aging may be further performed for several hours or more.
- the concentration and the mixing ratio are not particularly limited, and can be appropriately selected.
- the concentration of the inoles envelope is OD: 0.05 to 5.0, more preferably OD: 0.05 to 2.0, and even more preferably OD: 1.0. ⁇ 2.0.
- concentration of the inoles envelope is 0. 02 ⁇ 40 gZ 1, desirably from 0. 2 ⁇ 10 / ⁇ 8 ⁇ 1.
- the inactive Giravirus virus envelope having membrane fusion activity retains the foreign substance and becomes a foreign substance introduction vector. This method is completely different from the freeze-thaw method in which freezing and thawing are repeated.
- a foreign substance-introduced vector can be prepared by a conventional method using a surfactant.
- the lyophilized composition is rehydrated with PBS (-) (phosphate-buffered saline) or a medium for gene introduction, which does not contain the target foreign substance, and the resulting mixture is inactivated.
- Willsenberg Prepare a suspension to a concentration of 0.1 to 1.0 OD, and then mix the aqueous solution or suspension of the foreign substance to be introduced.
- a surfactant such as Triton X-100 is added so that the force becomes 0.001% and 0.5%, more preferably 0.05% force becomes 0.3%, and it is added at low temperature for several seconds to several hours, preferably for 3 hours. Leave for ⁇ 10 minutes.
- the temperature at the time of standing is preferably 0 ° C to 25 ° C, and more preferably 0 to 4 ° C. Further, the surfactant is removed by centrifugation or the like to prepare a foreign substance-introduced vector.
- nucleic acids there is no particular limitation on the foreign substance to be introduced into cells or living tissues.
- genes and the like are usually used. Specific examples include antibiotics, chemotherapeutics, antiallergic drugs, cardiovascular drugs, antiinflammatory drugs, antirheumatic drugs, hormones, vitamins, antineoplastic drugs, ribocontrast agents, magnetic resonance contrast agents,
- nucleic acids etc. having activity, and more specifically, nucleic acids to be used include nucleic acids, ribozymes, antisense nucleic acids, and RNAi that encode target proteins that can be introduced into cells to express the target proteins.
- DNA that expresses the RNA to be caused, siRNA, suicide gene, apoptosis-inducing gene, etc. can be selected. It is possible to create a foreign substance vector that holds these foreign substances alone or that carries two or more selected from them. As a foreign substance, a nucleic acid encoding a target protein capable of expressing the target protein by introducing the nucleic acid into a desired cell is more preferable.
- the nucleic acid concentration after aging of a mixture of the nucleic acid and the inactive iridani virus envelope is 0: gZ 1 or less.
- This prepared solution is added to the cultured cells as it is or after adding protamine sulfate.
- Protamine sulfate is added to a concentration of 1 ⁇ g / ml or more: LOO ⁇ g / ml, preferably 10 ⁇ g / ml to 50 ⁇ g / ml. When protamine sulfate is not used, the above operation is not required.
- the cells into which a foreign substance is to be introduced include eukaryotic cells, particularly animal cell lines, and may be either adherent cell systems or floating cell systems.
- cell lines that are generally difficult to introduce such as early cell lines, stem cell lines, fibroblast cell lines, It can be applied to a wide range of cell lines, including large cell lines.
- the exogenous substance introduction vector of the present invention can be administered by the in vivo method or can be administered systemically. That is, it can be administered by an appropriate route depending on the disease to be treated, the target organ, and the like.
- it can be administered intravenously, arterially, subcutaneously, intramuscularly, etc., or can be administered to kidney, liver, lung, brain, nerve, etc.
- Etc. can be directly administered to the target site of the disease. If administered directly to the disease site, organ-selective treatment can be achieved.
- a foreign substance is introduced into the cells after a certain period of time under normal cell culture conditions or ordinary breeding conditions. It is also possible to administer the ex vivo method.
- mammalian cells for example, lymphocytes, hematopoietic stem cells, etc.
- the exogenous substance transfer vector of the present invention is added thereto. Sensitization, and then return the cells to the mammalian body.
- Cells to be subjected to the cell fusion method of the present invention include animal cells, preferably mammalian cells. These cells include blood cells such as immune cells, bone marrow cells, and dendritic cells, embryonic stem cells, tissue stem cells, neural cells, glial cells, pituitary cells, liver cells, spleen cells, kidney cells, and cardiac muscle cells. Examples include cells, muscle cells, osteoblasts, chondrocytes, adipocytes, vascular endothelial cells, fibroblasts, and cancer cells such as myeloma cells, HeLa cells, CHO cells, and COS cells. In these cell fusions, different cells such as immune cells and cancer cells can be fused. Furthermore, the lyophilized composition of the present invention can be used for nuclear replacement and fusion of micronuclei with target cells.
- blood cells such as immune cells, bone marrow cells, and dendritic cells, embryonic stem cells, tissue stem cells, neural cells, glial cells, pituitary cells, liver
- the concentration of the target cells at the time of cell fusion is 1 ⁇ 10 4 Zml to 1 ⁇ 10 1G Zml, and preferably 1 ⁇ 10 6 Zml to 1 ⁇ 10 8 Zml.
- the Ca concentration is 0.1 to: LOmM, preferably 1 to 5 mM.
- GenomOne registered trademark, manufactured by Ishihara Sangyo Co., Ltd.
- 120 1 OD: 0.25 total amount: 6000HAU
- Neuanore Transfer, 10, OOOrpm, 30 min. Qing was removed.
- the obtained precipitate was suspended in distilled water 401 and then centrifuged again at 10,000 rpm for 30 minutes to remove the supernatant.
- Sample 1 a suspension in which the precipitate is added to be referred to as Sample 1; the same applies hereinafter; Tolu-Z distilled water solution (sample 2), 0.2% methylcellulose Z distilled water solution (sample 3), or 0.2% trehalose Z distilled water solution (sample 4) Quickly frozen.
- the frozen products of Samples 1 to 4 were immersed in a cool bath set at 15 ° C for 5 hours under the conditions of a vacuum of 0.1 mmHg or less and a trap temperature of 70 ° C or less for 5 hours. Lyophilization was performed. The temperature of the cool bath was raised to 4 ° C, and after secondary drying for 1 hour, dry nitrogen was introduced into the vacuum chamber to break the vacuum, sealed, and the freeze-dried composition of the sample was removed. Obtained.
- a precipitate of GenomOne (registered trademark, manufactured by Ishihara Sangyo Co., Ltd.) 120 / z 1 (OD: 0.25, total amount: 6000 HAU) was obtained.
- Each of the precipitates contains 601 each of a 0.5% aqueous solution of distilled polypeptone (added and suspended to obtain sample 5; the same applies hereinafter) and 0.1% of methylcellulose.
- Add 5% distilled water solution of polypeptone (Sample 6), 1.0% distilled water solution of polypeptone (Sample 7), 1.5% distilled water solution of polypeptone (Sample 8), and add 2.5% distilled water solution of polypeptone (Sample 9). After turbidity, it was snap frozen in liquid nitrogen.
- sample 10 A 1.0% distilled aqueous solution of polypeptone (to which a suspension is added with calorie, is referred to as sample 10; the same applies hereinafter); 0% bactopeptone distilled aqueous solution (sample 11), 1.0% pectotripton distilled aqueous solution (sample 12), 1.0% caseinic acid hydrolyzate distilled aqueous solution (sample 13), 0.3% L-leucine distillation Aqueous solution (Sample 14), 1.0% ⁇ -alanine distilled aqueous solution (Sample 15), 0.3% L-arginine monohydrochloride distilled aqueous solution (Sample 16), 1.0% L-aspartic acid distilled aqueous solution (Sample 17) ) was added and suspended, followed by rapid freezing in liquid nitrogen. Thereafter, the lyophilized compositions of Samples 10 to 17 were obtained in the same manner as in Example 1.
- PGL3—CONTROL VECTOR Promega plasmid DNA encoding the improved firefly luciferase protein is digested with HindIII and XbaI, electrophoresed (1% agarose), and the fragment containing luciferase is gel-M Gel Extraction System (VIOGENE Purified.
- Both fragments are transformed into ligation and Escherichia coli (DH5a) (45 ° C, 45 minutes) using DNA Ligation Kit (TaKaRa), and can express luciferase under the control of CMV promoter. Ampicillin resistance containing pCMV-GL3 plasmid DNA Bacteria were selected.
- the selected bacteria obtained were cultured in LB medium (including ampicillin), and the culture was purified using EndoFree Plasmid Giga Kit (QIAGEN) and dissolved in TE buffer to obtain a pCMV-GL3ZTE solution.
- Buffer 1 (PBS (1)) 1201 was added to each freeze-dried composition of Samples 1 to 17 obtained in Examples 1 to 3 and dispersed. 20 ⁇ l of each of these solutions was taken in an eppendorf tube and centrifuged at 10,000 rpm for 5 minutes. The supernatant was removed, and the precipitate was suspended in PBS (-) 51, and 5 ⁇ l of a 4 ⁇ & ⁇ 1 concentration pGL3ZTE solution was added. 2% Triton X—100 / PBS (-) solution: l was added and centrifuged at 10, OOOrpm for 5 minutes.
- Example 6 Preparation of freeze-dried composition of inactive iDani HVJ envelope having membrane fusion activity
- the inactivated HVJ virus envelope was obtained by a method according to (1) of Example 1 and (1) to (4) of Example 7 of WO03Z014338.
- a rope suspension was used. Briefly, HVJ grown using fertilized chicken eggs was inactivated by treatment with
- TF F tangential flow filter
- the solution was further concentrated at about 100 m using a TFF module. After repeating dilution with sterile water to TFF concentration 5 times, the mixture was concentrated at about 60 m. 25 ml of an aqueous solution containing 4.0% polypeptone and 0.4% methylcellulose, which were separately prepared and sterilized, were added to the concentrated solution. The concentration of the inactivated HVJ envelope suspension containing this stabilizer was OD 0.6. In addition, the concentration reduces the buffer concentration to 0.03 mM or less. 1. 65 1 aliquots were placed in 5 ml screw cap tubes and snap frozen in liquid nitrogen.
- the frozen, inactivated HVJ envelope is suspended under a vacuum of 0.ImmHg or less and a trap temperature of 70 ° C or less. Lyophilization was performed for 15 hours in a vacuum chamber set at ° C. After the set temperature of the vacuum chamber 1 was raised to 4 ° C and secondary drying was further performed for 1 hour, dry nitrogen was introduced into the vacuum chamber 1 to break it in a vacuum, and then sealed.
- a freeze-dried composition (freeze-dried product) of the inactive HVJ envelope obtained in Example 6 was added to a 4 / zg / zz1 concentration pCMV-GL3ZTE solution 301 prepared by the method described in Example 4.
- 1 ⁇ liti (pGL3 / TE ⁇ 3 ⁇ 4120 ⁇ is dispersed in 0.25 g / 1 concentration of pGL3ZTE solution 480 1 and left on ice for 5 minutes.
- Buffer (PBS (—)) 450 1 or 360 1 was added to make the total volume 480 1, and 150 mg of protamine Z PBS (-) solution with a concentration of lOmgZml was mixed with 151.
- This 40 ⁇ l of this solution was mixed with CHO-K1 cells (Cyanine pupa ovary).
- Cells ATCC NO.CCL-61, purchased from Dainippon Pharmaceutical
- Cultured in 24 ⁇ plates 2.5 x 10 4 cells, Ham's F12 + 10% FCS 0.5 ml Z well, 37 ° C, (Cultured overnight at 5% CO), and cultured at 37 ° C, 5% CO for 24 hours
- the results are shown in Table 2 (all are the average of the measured values of 3 ⁇ l).
- the lyophilized composition of the present invention (the lyophilized product in Table 2) is simply dispersed in a solution of the exogenous gene, and the exogenous gene is produced by using a surfactant in the inactive iDani HVJ envelope produced by the conventional technique.
- the transfection activity was about 10 times that of the sealed product (in Table 2, it was regarded as a conventional product).
- the inactivated virus envelope was obtained by a method according to (1) of Example 1 and (1) to (4) of Example 7 of WO03Z014338.
- the inactivated HVJ envelop suspension after buffer exchange was obtained.
- the liquid was used. Briefly, HVJ grown using fertilized chicken eggs was inactivated by treatment with
- TMF tangential flow filter
- Inertani HVJ envelope solution After sterilizing water was added to the Inertani HVJ envelope solution after buffer exchange and diluted to 600 ml, it was further concentrated at about 200 m with a TFF module. After repeating dilution with sterile water to TFF concentration eight times, the mixture was concentrated at about 100 m. 26 ml of a separately prepared and sterilized aqueous solution containing 5.0% polypeptone and 0.5% methylcellulose was prepared and sterilized. The concentration of this inactivated HVJ envelope suspension was OD 0.6. In addition, this concentration reduces the buffer concentration to 0.03 mM or less. 1. Dispensed 210 1 each into a 5 ml screw cap tube and rapidly frozen with liquid nitrogen.
- the freeze-inactivated HVJ envelope suspension was freeze-dried for 15 hours in a vacuum chamber set at 5 ° C under the conditions of a vacuum of 0.1 mmHg or less and a trap temperature of 70 ° C or less.
- the set temperature of the vacuum chamber 1 was raised to 5 ° C, and secondary drying was further performed for 1 hour. Then, dry nitrogen was introduced into the vacuum chamber 1 to destroy the vacuum, and the container was sealed. (Example 9) (Measurement of cell fusion activity)
- the cell fusion activity of both was measured using the obtained frozen Inertani HVJ envelope.
- the measurement of the cell fusion activity was carried out with reference to the method of K. Hiraoka et al. (The Journal of Immunology, Vol. 173, pp. 4297-4307). That is, a cell line derived from Syrian hamster pup kidney stained with the fluorescent staining kit PKH26 (SIGMA, No. PKH-26-GL, red fluorescence) or PKH67 (SIGMA, No.
- PKH-67-GL green fluorescence
- BHK-21 purchased from Dainippon Pharmaceutical
- a cell fusion buffer 10 mM Tris-HCL (pH 7.5), 137 mM NaCl, 5.5 mM KC1, 2 mM CaCl
- Composition of the present invention 10.13 ⁇ 415.43 ⁇ 413.2%
- the freeze-dried composition of the inactive Ganivirus envelope having membrane fusion activity of the present invention can be stored at room temperature (25 ° C. or less), and the restrictions on convenient places to use and transportation have been eliminated.
- the method for introducing a foreign substance according to the present invention has a remarkably improved introduction efficiency, is simpler, and has a wider range of applications such as high-throughput analysis.
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Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK05749035.1T DK1757312T3 (da) | 2004-06-14 | 2005-06-10 | Frysetørret sammensætning af inaktiveret viruskappe med membranfusionsaktivitet |
| AT05749035T ATE495760T1 (de) | 2004-06-14 | 2005-06-10 | Gefriergetrocknete zusammensetzung aus einer inaktivierten virushülle mit membranfusionsaktivität |
| DE602005026005T DE602005026005D1 (de) | 2004-06-14 | 2005-06-10 | Gefriergetrocknete zusammensetzung aus einer inaktivierten virushülle mit membranfusionsaktivität |
| US11/629,289 US20080102524A1 (en) | 2004-06-14 | 2005-06-10 | Freeze-Dried Composition of Inactivated Virus Envelope with Membrane Fusion Activity |
| EP05749035A EP1757312B1 (en) | 2004-06-14 | 2005-06-10 | Freeze-dried composition of inactivated virus envelope with membrane fusion activity |
| US12/582,115 US8043610B2 (en) | 2004-06-14 | 2009-10-20 | Freeze-dried composition of inactivated virus envelope with membrane fusion activity |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004176105 | 2004-06-14 | ||
| JP2004-176105 | 2004-06-14 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/629,289 A-371-Of-International US20080102524A1 (en) | 2004-06-14 | 2005-06-10 | Freeze-Dried Composition of Inactivated Virus Envelope with Membrane Fusion Activity |
| US12/582,115 Division US8043610B2 (en) | 2004-06-14 | 2009-10-20 | Freeze-dried composition of inactivated virus envelope with membrane fusion activity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005120579A1 true WO2005120579A1 (ja) | 2005-12-22 |
Family
ID=35502838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/010720 Ceased WO2005120579A1 (ja) | 2004-06-14 | 2005-06-10 | 膜融合活性のある不活性化ウイルスエンベロープの凍結乾燥組成物 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20080102524A1 (ja) |
| EP (1) | EP1757312B1 (ja) |
| AT (1) | ATE495760T1 (ja) |
| DE (1) | DE602005026005D1 (ja) |
| DK (1) | DK1757312T3 (ja) |
| ES (1) | ES2357772T3 (ja) |
| WO (1) | WO2005120579A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2236520A1 (en) * | 2009-03-31 | 2010-10-06 | Leukocare Ag | Stabilizing composition for immobilized biomolecules |
| CN109432017B (zh) * | 2018-11-19 | 2021-04-23 | 哈药集团生物疫苗有限公司 | 鸡痘耐热冻干保护剂及其应用 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5795917A (en) * | 1980-12-04 | 1982-06-15 | Takeda Chem Ind Ltd | Preparation of inactivated sendai virus vaccine |
| JP2000502672A (ja) * | 1995-12-22 | 2000-03-07 | パストゥール・メリュー・セロム・エ・ヴァクサン | 生ワクチンの安定化剤 |
| WO2001057204A1 (en) * | 2000-02-02 | 2001-08-09 | Yasufumi Kaneda | Virus envelope vector for gene transfer |
| WO2003014338A1 (en) * | 2001-08-02 | 2003-02-20 | Anges Mg, Inc. | Process for producing inactivated virus envelope |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD299213A7 (de) * | 1988-05-04 | 1992-04-09 | Saechsische Landesgewerbefoerderungsgesellschaft M.B.H.,De | Verfahren zur stabilisierung eines lebendvirusimpfstoffes gegen temperatureinwirkung |
| US5631237A (en) * | 1992-12-22 | 1997-05-20 | Dzau; Victor J. | Method for producing in vivo delivery of therapeutic agents via liposomes |
| EP0872249A4 (en) * | 1995-03-17 | 2001-10-24 | Hisamitsu Pharmaceutical Co | GENE TRANSFER PREPARATION |
| ES2323991T3 (es) * | 1998-11-16 | 2009-07-28 | Introgen Therapeutics, Inc. | Formulacion de adenovirus para terapia genica. |
| US6225289B1 (en) * | 1998-12-10 | 2001-05-01 | Genvec, Inc. | Methods and compositions for preserving adenoviral vectors |
| US7314614B1 (en) * | 1999-11-02 | 2008-01-01 | Dnavec Research, Inc. | Recombinant sendai virus vector for introducing exogenous genes to airway epithelia |
| CA2421151C (en) * | 2000-11-23 | 2013-07-02 | Bavarian Nordic A/S | Modified vaccinia ankara virus variant |
| KR100477103B1 (ko) * | 2001-12-19 | 2005-03-18 | 삼성에스디아이 주식회사 | 금속유도화 측면결정화방법을 이용한 멀티플 게이트 박막트랜지스터 및 그의 제조방법 |
| AU2003257675A1 (en) * | 2002-08-27 | 2004-05-04 | Anges Mg Inc | Biomolecule transfer method using virus envelope and composition and system therefor |
-
2005
- 2005-06-10 WO PCT/JP2005/010720 patent/WO2005120579A1/ja not_active Ceased
- 2005-06-10 DK DK05749035.1T patent/DK1757312T3/da active
- 2005-06-10 AT AT05749035T patent/ATE495760T1/de active
- 2005-06-10 EP EP05749035A patent/EP1757312B1/en not_active Expired - Lifetime
- 2005-06-10 ES ES05749035T patent/ES2357772T3/es not_active Expired - Lifetime
- 2005-06-10 US US11/629,289 patent/US20080102524A1/en not_active Abandoned
- 2005-06-10 DE DE602005026005T patent/DE602005026005D1/de not_active Expired - Lifetime
-
2009
- 2009-10-20 US US12/582,115 patent/US8043610B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5795917A (en) * | 1980-12-04 | 1982-06-15 | Takeda Chem Ind Ltd | Preparation of inactivated sendai virus vaccine |
| JP2000502672A (ja) * | 1995-12-22 | 2000-03-07 | パストゥール・メリュー・セロム・エ・ヴァクサン | 生ワクチンの安定化剤 |
| WO2001057204A1 (en) * | 2000-02-02 | 2001-08-09 | Yasufumi Kaneda | Virus envelope vector for gene transfer |
| WO2003014338A1 (en) * | 2001-08-02 | 2003-02-20 | Anges Mg, Inc. | Process for producing inactivated virus envelope |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2357772T3 (es) | 2011-04-29 |
| EP1757312B1 (en) | 2011-01-19 |
| DE602005026005D1 (de) | 2011-03-03 |
| EP1757312A4 (en) | 2008-01-16 |
| US8043610B2 (en) | 2011-10-25 |
| DK1757312T3 (da) | 2011-04-11 |
| ATE495760T1 (de) | 2011-02-15 |
| US20080102524A1 (en) | 2008-05-01 |
| US20100040580A1 (en) | 2010-02-18 |
| EP1757312A1 (en) | 2007-02-28 |
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