WO2001045719A1 - Compositions a base de proteines de plasma exemptes de virus traitees a l'aide d'une membrane poreuse et procede de production - Google Patents
Compositions a base de proteines de plasma exemptes de virus traitees a l'aide d'une membrane poreuse et procede de production Download PDFInfo
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- WO2001045719A1 WO2001045719A1 PCT/JP2000/009057 JP0009057W WO0145719A1 WO 2001045719 A1 WO2001045719 A1 WO 2001045719A1 JP 0009057 W JP0009057 W JP 0009057W WO 0145719 A1 WO0145719 A1 WO 0145719A1
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- virus
- plasma protein
- protein composition
- porous membrane
- treatment
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/34—Extraction; Separation; Purification by filtration, ultrafiltration or reverse osmosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
- A61L2/0011—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using physical methods
- A61L2/0017—Filtration
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
- A61P31/22—Antivirals for DNA viruses for herpes viruses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- the present invention relates to a method for producing a plasma protein composition from which a virus in a plasma protein composition, particularly an infectious virus has been removed, and a plasma protein composition substantially free of a virus obtained by the method, particularly an infectious virus.
- the present invention relates to a method for removing viruses in a fibrinogen composition and a plasma protein composition which are substantially free of non-enveloped viruses, especially parvovirus and / or hepatitis A virus.
- Protein preparations may contain pathogenic factors that can infect humans, and the problem of viral infection is particularly important.
- transfusions of human immunodeficiency virus (HIV), hepatitis A virus (HAV), hepatitis B virus (HBV) and hepatitis C virus (HCV) have occurred after blood transfusion.
- a single treatment in a method to inactivate or remove the virus, such as a rope virus remaining and the protein may be inactivated by a single treatment with ultraviolet irradiation, without losing the activity of the protein and completely It was difficult to inactivate or remove contaminating viruses.
- fibrinogen is a protein that is obtained from the fraction that precipitates first in the alcohol plasma fraction production process, and therefore is susceptible to contamination by contaminants if a virus is contaminated in plasma.
- Parvovirus B19 (hereinafter referred to as B19) is a particularly popular virus. This virus has no envelope, is resistant to heat, and has a single particle size of about 18 to 25 nm. Due to its small size, research has been focused on plasma inhalation products, especially on measures to remove inactivated Z.
- a virus having a larger molecular diameter than the pore diameter can be removed by filtration, but a virus smaller than the pore diameter cannot be removed.
- Many problems such as difficulties in filtration itself, such as clogging of the sample when a membrane is used, and a decrease in the flow rate during membrane processing in proportion to the sample volume, limiting the sample throughput and increasing the processing time
- the above-mentioned clogging occurs.
- the present inventors have conducted intensive studies in order to solve these problems, and as a result, have found that contaminant viruses can be efficiently removed by a porous membrane treatment with little loss of protein activity. It was completed.
- the present inventors have found that a fibrinogen composition substantially free of non-enveloped viruses, especially parvovirus and hepatitis A virus or Z virus, can be obtained by the porous membrane treatment, and completed the present invention. I came to.
- the present invention is as follows.
- the plasma protein composition is at least one protein selected from fibronectin, fibrinogen, coagulation factor V, coagulation factor VIII, von Willebrand factor, coagulation XII I, retinol binding protein, a globulin, ⁇ globulin and gamma globulin 5.
- Non-enveloped virus is parvovirus and hepatitis ⁇ or ⁇ virus 8.
- Protein composition (13) The plasma protein composition is selected from fibronectin, fibrinogen, coagulation factor V, coagulation factor VIII, von Willebrand factor, coagulation factor XIII, retinol binding protein, ⁇ globulin, / 3 globulin and gamma globulin 13.
- a method for removing a virus from a plasma protein composition which comprises subjecting the plasma protein composition to a porous membrane treatment having a pore size larger than a single virus particle diameter.
- the plasma protein in the plasma protein composition is not particularly limited, and includes any protein as long as it is contained in blood.
- plasma proteins that can achieve the intended effect in particular by the method of the present invention include plasma proteins having a large molecular weight and a high risk of virus contamination, and include, for example, fibrin nectin, fibrinogen, coagulation V Factors, coagulation factor VIII, von Willebrand factor, coagulation factor XIII, retinol binding protein, ⁇ globulin, 3) gamma globulin and the like.
- fibrinogen is a protein obtained from the fraction that first precipitates in the alcohol plasma fraction production process, it is a protein that is susceptible to contamination by virus if it enters plasma. It is useful to be able to remove non-enveloped viruses by the simple method of the invention.
- the plasma protein composition to which the method of the present invention is applied is not particularly limited as long as it is in a form that can be subjected to a porous membrane treatment, because there is a concern that a virus, particularly an infectious virus, may be contaminated. It is usually liquid, for example, a solution consisting of fractions obtained by treating plasma or tissue extract by various fractionation methods, a culture obtained from a recombinant host or tissue culture, or a commercially available protein preparation And the like.
- the degree of purification is not particularly limited, and any degree of purification is applicable.
- the degree of purification can be determined by a general method such as PEG (polyethylene glycol) fractionation, alcohol fractionation, glycine fractionation, gel filtration, ion exchange chromatography, affinity chromatography, and hydrophobic chromatography. Included are any purification steps that have been purified by the appropriate selection and use.
- the precipitation method used in the present invention includes a method used as a protein fractionation method known per se.
- neutral salts for example, neutral salts (precipitation method using this is a so-called salting-out method, such as sulfate, sulfite, thiosulfate, phosphate, alkali metal salt, ammonia, magnesium, halogen compound, etc.
- Water-soluble organic solvents eg, ethanol, methanol, ethyl ether, acetone, etc.
- water-soluble non-ionized polymer compounds eg, polyethylene glycol (PEG), dextran, Polyvinylpyrrolidone (PVP), nourphenol ethoxylate, etc., metal ion (barium sulfate, aluminum hydroxide, etc.), organic cations (rivanol, protamine, other cationic surfactants, etc.), anions ( For example, precipitation methods using low-molecular anions such as picric acid, trichloroacetic acid, sulfosalicylic acid, and perchloric acid, and polyadiones such as polyacrylic acid, polystyrenesulfonic acid, and polyphosphate), and desalination Precipitation method (dialysis method, dilution method, etc.), glycine precipitation method (glycine sodium monochloride precipit
- the precipitation method used in the present invention can be carried out under the same method and conditions as those used in ordinary protein fractionation treatment. That is, in the present invention, each substance used in the precipitation method can be appropriately selected according to the solubility of the target protein to be separated. For example, the target charge is changed by changing the surface charge or hydrophilicity of the protein molecule. A protein that can be obtained as a precipitate or a protein that can precipitate unnecessary proteins and obtain the target protein in the supernatant may be used. You can select it. Therefore, various factors affecting the precipitation method, such as hydrogen ion concentration or pH, ion intensity, dielectric constant, temperature, protein concentration, and other ions, can be selected according to the target protein. . In addition, their use conditions may be selected according to the protein.
- the glycine precipitation method is preferable, and more preferably, the glycine sodium monochloride precipitation method.
- the concentration is 50 g or more for glycine, 10 g / L or more for sodium chloride, preferably 75 g / L or more for glycine, and 3 O gZL or more for sodium chloride.
- the upper limit is glycine of 250 g / L or less, preferably 225 g / L or less, sodium chloride of 175 g ZL or less, and preferably 150 g / L or less. is there.
- Each protein separated by the above precipitation method can be obtained as a necessary fraction by subjecting it to a usual centrifugation treatment and various filtration steps.
- the target protein is obtained as a precipitate, it must be extracted and dissolved with an appropriate solvent for subsequent purification, but the solvent is not particularly limited, and the protein purification process is not particularly limited. Solvents, buffers, etc. that are commonly used for extraction are used, but when the protein is fibrinogen, citrate buffer or water is usually used for extraction and dissolution, especially after extraction with water and ordinary centrifugation or clear filtration. Through the steps, the effects of the present invention can be enhanced.
- the treatment with a porous membrane means that plasma proteins, which are likely to be contaminated with a virus, are filtered through a porous membrane.
- the material of the porous membrane used in the present invention is not particularly limited, and synthetic polymer compounds such as regenerated cellulose, cellulose acetate, polyvinylidene fluoride, polyether sulfone, polyacrylonitrile, polysulfone, and polymethyl methacrylate are used. However, it is preferably regenerated cellulose.
- the shape may be a hollow fiber shape, a sheet shape, or the like, but is preferably a hollow fiber shape.
- the porous hollow fiber membrane of the regenerated cellulose is prepared from a cellulose copper ammonia solution by a microphase separation method [Am. Chem. Soc., 9, 197-228 (1985)].
- the pore size depends on the type of protein and the type of virus to be removed. To 100 nm, preferably 100 to 100 nm. Particularly, when filtering parvovirus, HAV, etc. from proteins having a large molecular weight, such as fibrinogen, 35 to 100 nm, The pore size is preferably 35 to 75 nm.
- porous membrane When the porous membrane is in the form of a hollow fiber, it is preferably used in the form of a module.
- a porous hollow fiber membrane may be bundled in parallel, filled into a cartridge, and integrated using an adhesive.
- Planova series (trade name, manufactured by Asahi Kasei Corporation) having a multilayer structure of 100 or more layers
- the Piersolve series (trade name, manufactured by Millipore Corporation) known as a virus removal membrane.
- Omega VR series (trade name, manufactured by Pall)
- Ultipore series (trade name, manufactured by Pall) and the like can be used.
- Planova series is particularly preferred.
- the temperature at which the plasma protein composition is treated with a porous membrane, that is, filtered, is 4 to 50 ° C. And preferably 4 to 37 ° C.
- the filtration pressure is between 10 and 100 kPa, preferably between 10 and 90 kPa.
- a filtration method there are a cross-flow filtration method (circulation type) in which the solution is filtered while giving a strain rate, and a dead-end filtration method (non-circulation type) in which the solution is filtered without giving a strain rate.
- it is performed by a dead end filtration method using pressurized air or the like.
- the present invention is characterized in that by adding chaotropic ions or amino acids to a sample at the time of filtration through a porous membrane, the contaminant virus can be efficiently removed by the porous membrane treatment with little loss of protein activity. The effect can be further exhibited.
- the kind of the chaotropic ion or amino acid is not particularly limited, and those usually used in the process of protein purification can be used, but chloride ion and arginine are particularly preferable.
- Such a filtration treatment can be performed once or plural times. By performing the treatment several times, a more excellent virus removing effect by filtration can be obtained.
- the present invention can remove a virus having a single particle size smaller than the pore size of the porous membrane by treating the plasma protein composition using a porous membrane having a larger pore size than the virus single particle size,
- the thus obtained plasma protein composition can be substantially free of the virus.
- porous membrane having a larger pore diameter than the single virus particle diameter means a porous membrane that can pass through the porous membrane when the virus is a single particle.
- contaminating viruses can be efficiently removed with little loss of protein activity, and a plasma protein composition as a safer raw material for a plasma protein preparation can be obtained.
- virus removed by the method of the present invention include vaccinia virus, mumps virus, herpes simplex inores, echovirus, parvovirus, HIV, HAV, HBV, HCV, TTV and the like.
- non-enveloped viruses that may be contaminated include parvovirus and HAV.
- the plasma protein composition thus obtained can be used as it is or by a more general protein purification method such as PEG (polyethylene glycol) fraction, alcohol fraction, glycine fraction, gel filtration, ion exchange chromatography, A plasma protein preparation can be obtained by purification by a method such as affinity chromatography or hydrophobic chromatography.
- Plasma protein preparations are made into liquid preparations or dry preparations by conventional methods, and are usually pharmacologically acceptable additives such as preservatives, bactericides, chelating agents, thickeners, isotonic agents. Or a pharmaceutically necessary component may be appropriately blended.
- the production method of the present invention produces a plasma protein composition substantially free of virus, and the plasma protein composition is used before and after the method of the present invention to inactivate or remove commonly used viruses.
- the plasma protein composition is used before and after the method of the present invention to inactivate or remove commonly used viruses.
- substantially free of virus means that the amount is below the detection limit in a known method for measuring the amount of virus.
- Parvovirus as a monitor virus sample after the surfactant treatment was added 1 0 2 1.7 copy one Z ml.
- the sample was subjected to precipitation fractionation with 15% daricin-1M sodium chloride, and fibrinogen was collected by sedimentation by centrifugation (4,000 rpm, 20 minutes). .
- the recovered fibrinogen was dissolved in l.OL citrate buffer to prepare a 1.0% solution. Using this solution as a sample before filtration, the amount of virus was measured.
- This solution was subjected to a dead-end filtration method using Branova 75N (average pore size: 72 ⁇ 4 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa to remove viruses.
- the filtrate was used as a sample after filtration to measure the amount of virus.
- this sample was subjected to precipitation fractionation treatment with 15% glycine-1M sodium chloride, and fibrinogen was collected by sedimentation by centrifugation (4,000 rpm, 20 minutes). Next, the recovered fibrinogen was dissolved in 1.0 L of citrate buffer to prepare a 1.0% solution.
- parvovirus as a monitor virus was added 10 5.7 Kopino ml.
- this sample was subjected to 15% glycine-1M sodium chloride fractionation, and fibrinogen was collected by sedimentation by centrifugation (4,000 rpm, 20 minutes). Next, the recovered fibrinogen was dissolved in 1.0 L of a taeic acid buffer to prepare a 1.0% solution. Using this solution as a sample before filtration, the amount of virus was measured.
- the resulting solution was subjected to a dead-end filtration method using Planopa 75N (average pore diameter 72 ⁇ 4 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kpa to remove viruses.
- the filtrate was used as a sample after filtration, and the amount of virus was measured.
- Parvovirus was added as a monitor virus to the sample after the surfactant treatment. Thereafter, the sample was subjected to precipitation fractionation treatment with 15% glycine-1M sodium chloride, and fibrinogen was collected by sedimentation by centrifugation (4,000 rpm, 20 minutes). Next, the recovered fibrinogen was dissolved in 1.0 L of citrate buffer to prepare a 1.0% solution. Using this solution as a sample before filtration, the amount of virus was measured. At the same time, the absorbance at 280 ⁇ m was measured using this solution as a sample before filtration to measure the protein content.
- This solution was subjected to a dead end filtration method using Planova 75 N (average pore size: 72 ⁇ 4 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa to remove viruses.
- the filtrate was used as a sample after filtration to measure the amount of virus.
- the protein content of the filtrate was measured as the absorbance at 280 nm.
- the filtrate was further subjected to a dead-end filtration method using a Planova 35N (average pore size: 35 ⁇ 2 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa to remove viruses.
- a Planova 35N average pore size: 35 ⁇ 2 nm
- the amount of virus was measured.
- the protein content of this filtrate was measured as the absorbance at 280 nm.
- Fr.I fraction of corn derived from normal human plasma 100 g was dissolved in 1.5 L of physiological saline, and tree (n-butyl) phosphate (TNBP) was added to 0.3 wZv% and Tween 80 in 1 part. w / V%, and treated with a surfactant at 30 ° C for 6 hours.
- TNBP tree (n-butyl) phosphate
- the parvovirus was added 1 0 10 ⁇ 1 copy / ml as a sample on the monitor virus after detergent treatment.
- the sample was subjected to precipitation fractionation with 8% glycine-1M sodium chloride, and fibrinogen was collected by precipitation by centrifugation (4,000 rpm, 20 minutes). .
- the recovered fibrinogen was dissolved in 1.5 L of water for injection to prepare a fibrinogen solution. After removing the insoluble matter in this solution by centrifugation, 0.9 g / L sodium chloride was added to obtain a sample before filtration.
- This solution was subjected to a dead-end filtration method using Planova 35N (average pore size: 35 ⁇ 2 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa. This filtrate was used as a sample after filtration, and the amount of virus was measured.
- Planova 35N average pore size: 35 ⁇ 2 nm
- glycine - sodium chloride fraction, water extraction precipitation showed a 1 0 6 copies one Zm 1 or more virus removal effect before and after the treatment that combines a centrifugal removal Contact Yopi plug Nova 3 5 N.
- Fr.I fraction of corn derived from normal human plasma 100 g was dissolved in 1.5 L of physiological saline, and tree (n-butyl) phosphate (TNBP) was added to 0.3 wZv% and Tween 80 to 1 w. / v%, and treated with a surfactant at 30 ° C for 6 hours.
- TNBP tree (n-butyl) phosphate
- the recovered fibrinogen was dissolved in 1.5 L of water for injection to prepare a fiprinogen solution. After removing the insolubles in this solution by centrifugation, 0.9 gZL of sodium chloride was added to obtain a sample before filtration.
- This solution was subjected to a dead-end filtration method using Planova 35N (average pore size: 35 ⁇ 2 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa. This filtrate was used as a sample after filtration, and the amount of virus was measured.
- Planova 35N average pore size: 35 ⁇ 2 nm
- Fr.I fraction of corn derived from normal human plasma 100 g was dissolved in 1.5 L of physiological saline, and TNBP was added to 0.3 V% and Tween 80 to 1 wZv%.
- a surfactant treatment was performed at 30 ° C. for 6 hours.
- Fibrinogen was precipitated and recovered by precipitation fractionation treatment with / 0 glycine-1M sodium chloride. Next, the recovered fibrinogen was dissolved in 1.0 L of citrate buffer to prepare a 1.0% solution.
- the solution was Parvovirus 10 10 - 7 copies Zm 1 was added as a monitor virus.
- This solution was used as a sample before filtration, and the amount of virus was measured.
- This solution was subjected to a dead-end filtration method using Planova 75N (average pore size: 72 ⁇ 4 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa to remove viruses.
- the filtrate was used as a sample after filtration to measure the amount of virus.
- the sample was subjected to precipitation fractionation treatment with 15% glycine-1M sodium chloride to precipitate and recover fibrinogen.
- the recovered fibrinogen was dissolved in 1.0 L of citrate buffer to prepare a 1.0% solution.
- This solution was subjected to a dead-end filtration method using Planopa 75N (average pore size: 72 ⁇ 4 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa to remove viruses.
- the filtrate was used as a sample after filtration to measure the amount of virus.
- the filtrate was further subjected to a dead-end filtration method using a Planova 35N (average pore size: 35 ⁇ 2 nm) at a temperature of 23 ° C. and a filtration pressure of 10 kPa to remove viruses. Using this filtrate as a sample after filtration, the amount of virus was measured.
- the amount of virus of parvovirus was measured for each sample by measuring the residual amount of viral nucleic acid by polymerase chain reaction (PCR) (Transfusion Vol.32, p.824-828 (1992)).
- PCR polymerase chain reaction
- the nucleic acid of parvovirus becomes undetectable at 1 0 2 copies Z m 1.
- EMC virus encephalomyocarditis virus: lunar myocarditis virus
- the infectivity titer of EMC virus to Vero cells is 10 L5 TCID 5 . At / m1, it is below the detection limit.
- Table 1 shows the results of Examples 1-2 and 4-5 and Reference Examples 1-3.
- the present invention can provide a plasma protein having no fear of viral infectivity.
- the treatment with the porous membrane of the present invention can provide a fibrinogen composition substantially free of non-enveloped viruses, especially parvovirus and hepatitis A or Z virus.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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KR1020027007917A KR20020063597A (ko) | 1999-12-20 | 2000-12-20 | 다공성막으로 처리되어 바이러스가 제거된 혈장 단백질조성물 및 그 제조 방법 |
EP00987665A EP1250929A4 (en) | 1999-12-20 | 2000-12-20 | BY POROUS MEMBRANE-TREATED, VIRUS-FREE PLASMA PROTEIN COMPOUND AND ITS MANUFACTURING PROCESS |
JP2001546658A JP5080713B2 (ja) | 1999-12-20 | 2000-12-20 | 多孔性膜処理によるウイルスの除去された血漿蛋白組成物の製造方法、ウイルスの除去された血漿蛋白組成物およびウイルス除去方法 |
AU23988/01A AU2398801A (en) | 1999-12-20 | 2000-12-20 | Virus-free plasma protein compositions treated with porous membrane and process for producing the same |
CA002394797A CA2394797A1 (en) | 1999-12-20 | 2000-12-20 | Process for producing virus-free plasma protein composition by porous membrane treatment, virus-free plasma protein composition and method of removing viruses |
US10/168,180 US6867285B2 (en) | 1999-12-20 | 2000-12-20 | Virus-free plasma protein compositions treated with porous membrane and process for producing the same |
AU2006200008A AU2006200008A1 (en) | 1999-12-23 | 2006-01-03 | A method of treating infectious diseases |
AU2009201499A AU2009201499B8 (en) | 1999-12-20 | 2009-04-16 | A method of treating infectious diseases |
Applications Claiming Priority (2)
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JP36095099 | 1999-12-20 | ||
JP11/360950 | 1999-12-20 |
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WO2001045719A1 true WO2001045719A1 (fr) | 2001-06-28 |
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PCT/JP2000/009057 WO2001045719A1 (fr) | 1999-12-20 | 2000-12-20 | Compositions a base de proteines de plasma exemptes de virus traitees a l'aide d'une membrane poreuse et procede de production |
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US (1) | US6867285B2 (ja) |
EP (1) | EP1250929A4 (ja) |
JP (1) | JP5080713B2 (ja) |
KR (1) | KR20020063597A (ja) |
CN (1) | CN1192781C (ja) |
AU (2) | AU2398801A (ja) |
CA (1) | CA2394797A1 (ja) |
WO (1) | WO2001045719A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004035066A1 (ja) * | 2002-10-16 | 2004-04-29 | Asahi Kasei Pharma Corporation | 血漿製剤または血清製剤、及びその製造方法 |
US7919592B2 (en) * | 2002-03-15 | 2011-04-05 | Zlb Behring Gmbh | Method for separating off viruses from a protein solution by means of nanofiltration |
US8598319B2 (en) | 2005-06-29 | 2013-12-03 | Laboratoire Francais Du Fractionnement Et Des Biotechnologies | Process for separating proteins fibrinogen, factor XIII and biological glue from a solubilized plasma fraction and for preparing lyophilised concentrates of said proteins |
JP2014506921A (ja) * | 2011-02-28 | 2014-03-20 | チャ バイオ アンド ダイオステック カンパニー リミテッド | 胎盤抽出物およびその製造方法 |
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US20060054557A1 (en) * | 2002-12-12 | 2006-03-16 | Takahiro Hori | Virus-removing bag and virus-removing method using the same |
ES2214967B1 (es) | 2003-03-06 | 2005-06-16 | Probitas Pharma, S.A | Procedimiento para la eliminacion de virus en soluciones de fibrinogeno y fibrinogeno obtenido por dicho procedimiento. |
AU2003901515A0 (en) * | 2003-04-02 | 2003-04-17 | Norika Holdings | Sterilisation process for pharmaceutical product |
US20080132688A1 (en) * | 2006-09-22 | 2008-06-05 | Amgen Inc. | Methods for Removing Viral Contaminants During Protein Purification |
CA2740079A1 (en) * | 2008-10-08 | 2010-04-15 | Thrombodyne, Inc. | Methods of making concentrated fibrinogen- and platelet-containing compositions |
EP2793956B1 (en) * | 2011-12-20 | 2015-10-07 | Novozymes A/S | Method for the removal of virus from a protein solution |
RU2663792C2 (ru) | 2012-03-13 | 2018-08-09 | Октафарма Аг | Способ очистки фибриногена, продукт фибриногена и средство для очистки или производства продукта фибриногена |
CA3072003A1 (en) * | 2017-08-23 | 2019-02-28 | Csl Behring Gmbh | Method for virus filtration of von willebrand factor |
PE20210457A1 (es) * | 2018-02-19 | 2021-03-08 | Bayer Healthcare Llc | Membrana de filtro modificada y metodo |
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- 2000-12-20 CN CNB008174687A patent/CN1192781C/zh not_active Expired - Fee Related
- 2000-12-20 US US10/168,180 patent/US6867285B2/en not_active Expired - Lifetime
- 2000-12-20 WO PCT/JP2000/009057 patent/WO2001045719A1/ja active Application Filing
- 2000-12-20 JP JP2001546658A patent/JP5080713B2/ja not_active Expired - Lifetime
- 2000-12-20 AU AU23988/01A patent/AU2398801A/en not_active Abandoned
- 2000-12-20 KR KR1020027007917A patent/KR20020063597A/ko not_active Application Discontinuation
- 2000-12-20 EP EP00987665A patent/EP1250929A4/en not_active Withdrawn
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7919592B2 (en) * | 2002-03-15 | 2011-04-05 | Zlb Behring Gmbh | Method for separating off viruses from a protein solution by means of nanofiltration |
WO2004035066A1 (ja) * | 2002-10-16 | 2004-04-29 | Asahi Kasei Pharma Corporation | 血漿製剤または血清製剤、及びその製造方法 |
JPWO2004035066A1 (ja) * | 2002-10-16 | 2006-02-09 | 旭化成ファーマ株式会社 | 血漿製剤または血清製剤、及びその製造方法 |
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JP4646114B2 (ja) * | 2002-10-16 | 2011-03-09 | 旭化成メディカル株式会社 | 血漿製剤または血清製剤、及びその製造方法 |
US8598319B2 (en) | 2005-06-29 | 2013-12-03 | Laboratoire Francais Du Fractionnement Et Des Biotechnologies | Process for separating proteins fibrinogen, factor XIII and biological glue from a solubilized plasma fraction and for preparing lyophilised concentrates of said proteins |
US9320779B2 (en) | 2005-06-29 | 2016-04-26 | Laboratoire Francais Du Fractionnement Et Des Biotechnologies | Process for separating proteins fibrinogen, factor XIII and biological glue from a solubilized plasma fraction and for preparing lyophilised concentrates of said proteins |
US9339530B2 (en) | 2005-06-29 | 2016-05-17 | Laboratoire Francais Du Fractionnement Et Des Biotechnologies | Process for separating proteins fibrinogen, factor XIII and biological glue from a solubilized plasma fraction and for preparing lyophilised concentrates of said proteins |
JP2014506921A (ja) * | 2011-02-28 | 2014-03-20 | チャ バイオ アンド ダイオステック カンパニー リミテッド | 胎盤抽出物およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5080713B2 (ja) | 2012-11-21 |
AU2009201499A8 (en) | 2011-08-04 |
CN1413115A (zh) | 2003-04-23 |
US6867285B2 (en) | 2005-03-15 |
KR20020063597A (ko) | 2002-08-03 |
AU2009201499B2 (en) | 2011-07-14 |
EP1250929A1 (en) | 2002-10-23 |
AU2009201499A1 (en) | 2009-05-14 |
AU2398801A (en) | 2001-07-03 |
EP1250929A4 (en) | 2004-12-29 |
CA2394797A1 (en) | 2001-06-28 |
CN1192781C (zh) | 2005-03-16 |
AU2009201499B8 (en) | 2011-08-04 |
US20030069399A1 (en) | 2003-04-10 |
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