CN102743742B - A kind of glycoprotein compositions of low solvent residue and its production and use - Google Patents

A kind of glycoprotein compositions of low solvent residue and its production and use Download PDF

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CN102743742B
CN102743742B CN201110102073.8A CN201110102073A CN102743742B CN 102743742 B CN102743742 B CN 102743742B CN 201110102073 A CN201110102073 A CN 201110102073A CN 102743742 B CN102743742 B CN 102743742B
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preparation
glycoprotein
water
organic solvent
vacuum drying
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CN102743742A (en
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李勇
季斌
季晓铭
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Shanghai Techwell Biopharmaceutical Co Ltd
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Shanghai Techwell Biopharmaceutical Co Ltd
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Priority to PCT/CN2012/074425 priority patent/WO2012142961A1/en
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Abstract

The invention discloses compositions of glycoprotein of a kind of low solvent residue and preparation method thereof, in described glycoprotein compositions, organic solvent content is less than 0.5%;Described method includes step: (a) by the precipitate of glycoprotein compositions with water system 0 25 DEG C of common vacuum drying;B () continues the compositions that vacuum drying obtains the glycoprotein of low solvent residue after removing water system.

Description

A kind of glycoprotein compositions of low solvent residue and its production and use
Technical field
The present invention relates to the purification art of pharmaceutical grade protein.Particularly relate to the dry side containing the glycoprotein treating infertility Method.
Background technology
The glycoprotein for the treatment of infertility is the material that a class formation is close, including chorionic-gonadotropin hormone (HCG), menopause Phase gonadotropin (HMG), follicule-stimulating hormone (FSH) (FSH), lutropin (LH), wherein HMG is to sting containing follicle Hormone and lutropin and the mixture of both proportional (1: 0.1-1).
HCG, FSH, LH are to be combined by the form of non-covalent bond by α chain and two subunits of β chain, and wherein their α is sub- Base is identical, has 92 aminoacid, and molecular weight is about 14500D, and the agedoite on the 52nd and 78 positions is that N-sugar occurs The aminoacid of base.The β subunit of HCG has 145-147 aminoacid, molecular weight 22200-39000D, wherein the 13rd, on 30 positions Agedoite and the 121st, 127,132,145 positions be occur glycosylated place.The β subunit of FSH is by 111 aminoacid Composition, molecular weight is about 18000D, and wherein the agedoite on the 7th and 24 positions is that the glycosylated aminoacid of N-occurs.And LH β subunit be made up of 121 aminoacid, molecular weight is about 14800D.
HCG, HMG, FSH, LH are mainly used in treating infertility and external supplementary reproduction clinically.They can be from specific The urine of women's (pregnancy period or menopause) extracts, it is possible to prepared by DNA recombinant technique.
The first generation product of glycoprotein for the treatment of infertility be the Serono company sixties in last century Profasi (HCG), Pergonal (HMG), their purity is the most relatively low, containing a large amount of impurity.After the eighties in last century, Serono company pushes away respectively Having gone out Metrodin-HP, it is the highly purified FSH preparation that a kind of impurity content is the lowest;Release the most again and utilize DNA restructuring skill Gonal-F (rFSH), the Luveris (rLH) etc. that art produces, it addition, Ferring company is also proposed high-purity menopausal rush property Parathyrine-Menopur.
As can be seen here, the most all it is being devoted to the development and application of high-purity glycoprotein, is substituting common low Purity product, with the anaphylaxis overcoming the foreign protein in common low-purity product to cause.
CN1309567A discloses the liquid preparation containing FSH or its variant.But, because liquid form must preserve Below-20 DEG C, otherwise glycoprotein easily inactivates, and liquid form is not easy storage and transport;Liquid form freezes owing to running into Knot-course of dissolution, the most repeatedly freeze-course of dissolution, it is easier to cause glycoprotein to inactivate;Liquid form further encounters bag Packaging container is at low temperatures close to the fragility crackly danger of point etc..And for finished dosage form, liquid form is not except allowing Easily outside transport, also run into the less stable of the glycoprotein of liquid form and it is necessary to adding preservative agent guarantee to exist In effect duration, microorganism will not be grown, and brings the hidden danger of safety to clinical practice.
Therefore, the glycoprotein compositions of solid form is more suitable for industrialized production.And being mainly obtained of solid form is logical Cross lyophilization and vacuum drying means, but highly purified glycoprotein is easy to occur degeneration to lose during lyophilization Living, its deactivation mainly shows as entire molecule and is degraded into α chain and two subunits of β chain, and these subunits are also impurity, they It is the isomeric compound maybe may having side effects that is of no curative effect, the amount of 10-30% will be added when feeding intake, to offset lyophilization The inactivation of process, and finished product also can produce a certain amount of subunit, reduce the purity of product.CN101347613A is public Open a kind of freeze drying process preparing glycoprotein compositions and can prepare the highly purified glycoprotein lyophilizing group being practically free of subunit Compound, but the effect with this method removal organic solvent is unsatisfactory.
And be vacuum dried and be typically fully to mix organic solvent and glycoprotein solution, it is dehydrated again, then after forming precipitation Precipitation is vacuum dried, although this method can reduce glycoprotein deactivation, but in dried glycoprotein Organic solvent content is higher, and weight/mass percentage composition is more than 1%.Organic solvent is the most harmful, Chinese Pharmacopoeia in 2010 In clear stipulaties medicine, ethanol limit is 0.5%.
Therefore, this area a kind of can reduce the vacuum drying side of organic solvent residual in glycoprotein in the urgent need to developing Method, and it is derived from the glycoprotein compositions of low organic solvent residual.
Summary of the invention
It is desirable to provide the glycoprotein compositions of a kind of low organic solvent residual, and obtain the combination of above-mentioned glycoprotein The vacuum drying method of thing.
One aspect of the present invention provides the glycoprotein compositions of a kind of low organic solvent content, wherein organic solvent quality hundred Divide content less than 0.5%, preferably more than 0.3%, be more preferably less than 0.1%.
Wherein, described organic solvent is ethanol, acetone or methanol.
Wherein, described glycoprotein is selected from chorionic-gonadotropin hormone, HMG, follicule-stimulating hormone (FSH), corpus luteum Generate element or its mixing.
Wherein, described chorionic-gonadotropin hormone be Urina Hominis source and/or restructuring human chorionic gonadotropin or its Variant;Described HMG be Urina Hominis source and/or restructuring human menopausal gonadotropin or its variant;Described ovum Bubble stimulin be Urina Hominis source and/or restructuring HFSH or its variant;Described lutropin is Urina Hominis source And/or restructuring human luteinizing hormone or its variant.
Another aspect of the present invention, it is provided that the side of a kind of glycoprotein compositions simply preparing low solvent residue Method.Inventor, through further investigation, finds, by glycoprotein compositions and water system altogether same vacuum drying, can effectively remove organic Solvent, obtains the glycoprotein compositions with the low solvent residue of good stability.
The drying principles of the compositions of the glycoprotein of low solvent residue
Owing to glycoprotein material at high temperature changeableness inactivates, therefore spray drying or the mode of other heating should not be used Being dried, and cryodesiccated mode there is also certain deactivation phenomenom, and freeze drying equipment is expensive, dry amount is little, Energy consumption is big.Use boulton process (being not added with aqueous systems to be dried) product degraded inactivation inconspicuous, but organic solvent residual is high.Invention The reason that its dissolvent residual is exceeded standard by people conducts in-depth analysis, at sample vacuum drying early stage organic solvent and water with necessarily Ratio jointly volatilize, but along with organic solvent and the reduction of water content in sample, the amount of volatilization is more and more less, when in sample Water content when no longer reducing, the amount of organic solvent the most no longer reduces.Therefore the residual quantity of organic solvent contains with the water in sample Measure relevant.Inventor, it is surprisingly found that place in vacuum desiccator and can discharge the material of water vapour, is not only able to obtain low The compositions of the glycoprotein of dissolvent residual, and there is not degraded deactivation phenomenom in sample.
Its drying principles is conducted in-depth research after obtaining the compositions of glycoprotein of low solvent residue by inventor.? Vacuum desiccator is placed and can discharge the material of water vapour in order to control in process of vacuum drying in sample is organic Solvent and the volatilization ratio of water.In process of vacuum drying, organic solvent volatilizees jointly with the water in sample, in vacuum drying oven, Organic solvent and steam respectively account for a certain proportion of, but along with dry carrying out, moisture is limited, in order to maintain this to put down Weighing apparatus, we put into the material that can discharge water vapour in dry system, artificially increase vapour pressure in vacuum drying oven, can suppress The volatilization of the water in sample, can promote again the volatilization of organic solvent in sample simultaneously.Thus effectively reduce in sample organic The residual of solvent, and the water content in sample is also maintained at reduced levels, therefore there is not degraded deactivation phenomenom in sample.
Its dry run is goed deep into after obtaining the compositions of glycoprotein of low solvent residue by inventor once more Research, again it has surprisingly been found that when organic solvent be dried qualified after, then remove the material discharging water vapour, continue to be vacuum dried Certain time, the moisture in sample can be vacuum dried in acceptability limit, and organic solvent can also reduce further, sample Have good stability in the range of this moisture content.Therefore the dry run of the present invention be divided into two benches, first stage be by sample with Aqueous systems is vacuum dried removing organic solvent jointly, and second stage is to remove aqueous systems to be vacuum dried that sample moisture content is qualified is Only.
Preparation method
A kind of method that the invention provides glycoprotein compositions preparing low organic solvent content, described method include with Lower step:
A the solution of organic solvent with the composition material containing glycoprotein is sufficiently mixed precipitation by (), collect precipitate (1), after dehydration of organic solvent, continue to collect the composition precipitates of glycoprotein, it is thus achieved that containing the precipitate of glycoprotein compositions (2);With
B (), by the precipitate (2) containing glycoprotein compositions and water system altogether same vacuum drying, obtains what the present invention provided The glycoprotein compositions of low organic solvent residual.
In another preference, in step (a), described organic solvent temperature-20 to 25 DEG C, preferably-20 to 0 DEG C.
In another preference, in step (a), described organic solvent is selected from ethanol, acetone or methanol.
In another preference, in step (a), described dehydration organic solvent amount is moist precipitate thing (1) weight 0 to 10 Times, preferably 1 to 4 times.
In another preference, in step (b), described baking temperature at 0 to 25 DEG C, preferably 0 to 20 DEG C.
In another preference, in step (b), described water system include solid-state, liquid or gaseous state tap water, go from Sub-water, reverse osmosis water, pure water and water for injection, can discharge the object of water vapour, and aqueous solution, preferably purified water.
In another preference, in step (b), described drying time is 1 to 48 hour, preferably 10 to 24 hours.
In another preference, the solution containing glycoprotein compositions raw material described in step a can be by following steps system Standby:
By the material dissolution containing glycoprotein compositions in water or buffer, preparation is containing glycoprotein compositions raw material Solution.
In another preference, the described raw material containing glycoprotein compositions is solid.
In another preference, described buffer is selected from: pH value buffering range 3 to 11 buffer;It preferably is selected from;Phosphorus Phthalate buffer, Tris buffer, sodium-acetate buffer.
In another preference, described solution temperature at 5 to 20 DEG C, preferably 10 to 16 DEG C.
In another preference, the pH value of the described solution containing glycoprotein compositions raw material is 3 to 11, preferably 4 to 10.
In another preference, following steps can also be contained below in step (b):
C () continues the combination that vacuum drying obtains the glycoprotein of the low solvent residue that the present invention provides after removing water system Thing.
In step (c), described drying time is 0 to 48 hour, preferably 5 to 24 hours.
In a preference of the present invention, the method for the glycoprotein compositions preparing low organic solvent content comprises following Step:
(a ') it is sufficiently mixed precipitation with the solution of the organic solvents of-20~0 DEG C with the composition material containing glycoprotein, receive Taking precipitate (1);
(b ') by precipitate (1), after dehydration of organic solvent, continue to collect the composition precipitates of glycoprotein, it is thus achieved that contain The precipitate (2) of glycoprotein compositions;
(c ') by the composition precipitates thing (2) of glycoprotein and water system 0~25 DEG C of common vacuum drying 1~48 hours, Obtain the compositions with the low solvent glycoprotein of good stability;With
(d '), after step (c '), removes water system, continues, in 0~25 DEG C, the low solvent that vacuum drying step (c ') prepares The compositions 0 of glycoprotein~48 hours, obtain the compositions of the glycoprotein of more low solvent residue.
As used herein, " glycoprotein " is selected from one or more following mixing: chorionic-gonadotropin hormone (chorionic gonadotropin, CG), follicule-stimulating hormone (FSH) (follicule-stimulatinghormone, FSH), corpus luteum Generation element (luteotropic hormone, LH), HMG (human menopausal gonadotropin, HMG)。
As used herein, " glycoprotein compositions raw material " refers to the compositions containing glycoprotein, including glycoprotein, or Person includes acceptable carrier in glycoprotein and pharmaceutically/bromatology.The existing glycoprotein of preparing in this area can be used to combine The glycoprotein compositions that the method for thing is obtained, as raw material, can be solid or liquid, such as but not limited to, Chinese patent The highly purified HMG that preparation method disclosed in CN1246332C obtains;Preparation method disclosed in Chinese patent CN1958603B obtains The HCG obtained;And the FSH that method disclosed in CN101317103A obtains.
The acquisition of above glycoprotein compositions raw material is only citing, and glycoprotein compositions raw material of the present invention should not It is so limited.
In the method for the glycoprotein compositions obtaining low solvent residue of present invention offer, described " will be containing sugar egg The precipitate (2) of white compositions and water system are altogether with being vacuum dried " refer to place the precipitate (2) containing glycoprotein compositions Generally place the place of sample at vacuum desiccator, and (such as bottom) is placed to contain and can be discharged water and steam around vacuum desiccator The container opened wide of the material of vapour, the described material that can discharge water vapour is selected from tap water, pure water or mixture of ice and water.
In the method for the glycoprotein compositions obtaining low solvent residue of present invention offer, described " removing aqueous systems " Outside referring to contain the vacuum drying environment of container migration opened wide of the material that can discharge water vapour.
Main advantages of the present invention are:
1, the invention provides the compositions of the glycoprotein of a kind of new low solvent residue.
2, the invention provides the preparation method of the compositions of the glycoprotein of a kind of new low solvent residue.
3, the present invention has mild condition, operating process is simple, degraded deactivation phenomenom is little, and product stability is good, and energy consumption is low, Alleviate technological operation degree-of-difficulty factor to a great extent, reduce production cost.
Accompanying drawing explanation
Fig. 1 shows the GC collection of illustrative plates of the standard substance that ethanol content is 0.5%;Wherein the retention time of solvent, peak area and Mass content is as shown in the following chart:
Retention time (minute) Peak area Mass content (%) Solvent species
3.175 1040.5 0.5 Ethanol
Fig. 2 shows the ethanol content GC collection of illustrative plates in comparative example 2 in HMG sample;The wherein retention time of solvent, peak area With mass content as shown in the following chart:
Retention time (minute) Peak area Mass content (%) Solvent species
3.175 2368.5 1.1 Ethanol
Fig. 3 shows the ethanol content GC collection of illustrative plates in embodiment 6 in HMG sample;The wherein retention time of solvent, peak area With mass content as shown in the following chart:
Retention time (minute) Peak area Mass content (%) Solvent species
3.175 69.6 0.03 Ethanol
Fig. 4 shows the ethanol content GC collection of illustrative plates in embodiment 9 in HCG sample;The wherein retention time of solvent, peak area With mass content as shown in the following chart:
Retention time (minute) Peak area Mass content (%) Solvent species
3.175 414.1 0.20 Ethanol
Detailed description of the invention
The compositions organic solvent residual of glycoprotein measures
In embodiments of the present invention, GC is used to record the residual solvent of sample prepared by the inventive method, described GC detection method is as follows:
Chromatographic column: Varian CP-Select 624 (94% cyanogen propyl group phenyl-6% dimethyl polysiloxane)
Post specification: 30m × 0.32mm × 1.8 μm
Injector temperature: 200 DEG C
Detector temperature: 260 DEG C
Flow velocity: 2.5ml/ minute, constant current
Furnace temperature:
Carrier gas: nitrogen
Split ratio: 1: 1 (work station), actual split ratio: 17: 1 (soap film flowmeter measured values)
Detector gas: air mass flow: 400ml/ minute
Hydrogen flowing quantity: 40ml/ minute
Make-up gas flow: 25ml/ minute (nitrogen)
Head-space sampler condition
Heating equilibrium temperature: 80 DEG C;Quantitative loop temperature: 85 DEG C;Transmission line temperature: 90 DEG C;Equilibration time: 20 minutes;Add The pressure time: 0.5 minute;Fill the sample time: 0.2 minute;Quantitative loop equilibration time: 0.10 minute;Sample injection time: 1 minute;Whole fortune The row time: 30 minutes;Sampling volume: 1ml;Shaking pattern: slight vibration.
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention Rather than restriction the scope of the present invention.The experimental technique of unreceipted actual conditions in the following example, generally according to conventional strip Part, or according to the condition proposed by manufacturer, unless otherwise indicated, otherwise percentage ratio and number are calculated by weight.
Unless otherwise defined, the meaning that all specialties used in literary composition are familiar with one skilled in the art with scientific words Justice is identical.Additionally, any method sill similar or impartial to described content all can be applicable in the inventive method.Wen Zhong Described preferable implementation only presents a demonstration with material and is used.
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention Rather than restriction the scope of the present invention.The experimental technique of unreceipted actual conditions in the following example, generally according to conventional strip Part or according to the condition proposed by manufacturer.Unless otherwise indicated, otherwise percentage ratio and number are calculated by weight.
Unless otherwise defined, the meaning that all specialties used in literary composition are familiar with one skilled in the art with scientific words Justice is identical.Additionally, any method similar or impartial to described content and material all can be applicable in the present invention.Described in literary composition Preferable implementation only present a demonstration with material and be used.
Comparative example 1
The lyophilization of FSH
Preparation 45mL 0.01M sodium dihydrogen phosphate (adjusts pH about 6.5 with NaOH), adds 5ml ethanol, adds 2g lactose, After stirring and dissolving, filter with 0.22 μm filter.Take 10mL filtered solution, add (the big life in sky, Shanghai of above-mentioned high-purity FSH of 10.0mg Thing pharmaceutical Co. Ltd provides, and biological value is 8817 ius/mg), after being completely dissolved, sabot is put into freeze dryer and (is purchased from Virtis), in, carry out lyophilization, outlet by the method for CN101347613A embodiment 1, obtain 391mg freeze-dried powder.
After measured, the biological value result of FSH is as follows:
Comparative example 2
Traditional vacuum seasoning prepares HMG
The sodium acetate solution of preparation 10ml 0.1mol/L, regulates pH6.5 with acetic acid, is cooled to 10 DEG C, adds 250mgHMG Raw material (is provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value is 405IU/mg in terms of FSH), stirring and dissolving.Add-20 DEG C ethanol 50ml, stirring and evenly mixing, centrifugal to obtain moist precipitate 931mg, to use 3ml ethanol dehydration, centrifugal to obtain HMG moist precipitate 901mg, 20 It is vacuum dried 96 hours at DEG C, obtains 249mgHMG sample.After measured, biological value (in terms of FSH) and solvent result As follows:
Embodiment 3
Prepare low solvent residue HMG
The sodium acetate solution of preparation 10ml 0.1mol/L, regulates pH4.0 with acetic acid, is cooled to 16 DEG C, adds 250mgHMG Raw material (is provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value is 405IU/mg in terms of FSH), stirring and dissolving.Add-20 DEG C ethanol 100ml, stirring and evenly mixing, centrifugal to obtain HMG moist precipitate 936mg, with the aqueous systems one being placed with mixture of ice and water at 20 DEG C Play vacuum drying 10 hours, obtain 257mgHMG sample.After measured, biological value (in terms of FSH) and solvent result are such as Under:
Result is as follows:
Embodiment 4
Prepare low solvent residue HMG
The sodium acetate solution of preparation 10ml 0.1mol/L, regulates pH6.5 with acetic acid, is cooled to 10 DEG C, adds 250mgHMG Raw material (is provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value is 405IU/mg in terms of FSH), stirring and dissolving.Add-20 DEG C ethanol 50ml, stirring and evenly mixing, centrifugal to obtain moist precipitate 956mg, to use 10ml ethanol dehydration, centrifugal to obtain HMG moist precipitate 916mg, 10 DEG C are vacuum dried together with the aqueous systems being placed with mixture of ice and water 24 hours, obtain 252mgHMG sample.After measured, biological effect Valency (in terms of FSH) and solvent result are as follows:
Result is as follows:
Embodiment 5
Prepare low solvent residue HMG
The sodium acetate solution of preparation 10ml 0.1mol/L, regulates pH10 with acetic acid, is cooled to 15 DEG C, adds 250mgHMG Raw material (is provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value is 405IU/mg in terms of FSH), stirring and dissolving.Add-10 DEG C ethanol 100ml, stirring and evenly mixing, centrifugal to obtain HMG moist precipitate 953mg, 0 DEG C together with the aqueous systems being placed with purified water vacuum do Dry 24 hours, removing water system, 0 DEG C is continued to be dried 5 hours, obtains 246mgHMG sample.After measured, biological value is (with FSH Meter) and solvent result as follows:
Result is as follows:
Embodiment 6
Prepare low solvent residue HMG
The sodium dihydrogen phosphate of preparation 10ml 0.1mol/L, regulates pH7.0 by NaOH solution, is cooled to 10 DEG C, adds 250mgHMG raw material (is provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value is 405IU/mg in terms of FSH), stirs molten Solve.Add 0 DEG C of ethanol 50ml, stirring and evenly mixing, be centrifuged and to obtain moist precipitate 952mg, use 3ml ethanol dehydration, be centrifuged and to obtain HMG moist precipitate 932mg, is vacuum dried 24 hours at 0 DEG C together with the aqueous systems being placed with purified water, removes water system, and 20 DEG C to continue to be dried 24 little Time, obtain 244mgHMG sample.After measured, biological value (in terms of FSH) and solvent result are as follows:
Result is as follows:
Embodiment 7
Prepare low solvent residue HCG
The Tris solution of preparation 10ml 0.1mol/L, regulates pH7.5 with hydrochloric acid, is cooled to 10 DEG C, adds 300mgHCG former Material (being provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value 5702IU/mg), stirring and dissolving.Add 0 DEG C of ethanol 50ml, stirring and evenly mixing, it is centrifuged and to obtain moist precipitate 1172mg, use 11ml ethanol dehydration, be centrifuged and to obtain HCG moist precipitate 1022mg, at 10 DEG C Being vacuum dried together with the aqueous systems being placed with mixture of ice and water 24 hours, remove water system, 20 DEG C are continued to be dried to obtain 24 hours, To 295mgHCG sample.After measured, biological value and solvent result are as follows:
Result is as follows:
Embodiment 8
Prepare the FSH of low solvent residue
Take 10 DEG C of solution 1000ml containing FSH raw material (to be provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value 1958IU/ml), add-20 DEG C of ethanol 5000ml, stirring and evenly mixing, be centrifuged to obtain moist precipitate 15820mg, use 48ml ethanol dehydration, from Gains in depth of comprehension FSH moist precipitate 14958mg, is vacuum dried together with the aqueous systems being placed with purified water 24 hours at 0 DEG C, removes water system, 20 DEG C are continued to be dried 24 hours, obtain 3995mg FSH sample.After measured, the biological value of FSH and solvent result are such as Under:
Embodiment 9
Prepare the HCG of low solvent residue
Take 16 DEG C of solution 10L containing HCG raw material (to be provided by Shanghai Tianwei Biological Pharmaceutical Corp., biological value 68319IU/ml), add-10 DEG C of ethanol 50L, stirring and evenly mixing, be centrifuged and to obtain moist precipitate 620g, use 4L ethanol dehydration, be centrifuged and to obtain HCG Moist precipitate 560g, is vacuum dried 20 hours at 20 DEG C together with the aqueous systems being placed with purified water, removes water system, and 20 DEG C are continued dry Dry 20 hours, obtain the HCG sample of 122g.
After measured, biological value and the solvent result of HCG are as follows:
Embodiment 10
Prepare low solvent residue HCG
According to the step operation of embodiment 7, difference be with the ethanol in methanol alternate embodiment 7 raw material is precipitated, Moist precipitate is prepared in dehydration, obtains 298mgHCG sample.After measured, biological value and solvent result are as follows:
Result is as follows:
Embodiment 11
Prepare low solvent residue HMG
According to the step operation of embodiment 6, difference be with the ethanol in acetone alternate embodiment 6 raw material is precipitated, Moist precipitate is prepared in dehydration, obtains 240mgHMG sample.After measured, biological value (in terms of FSH) and solvent result are as follows:
Result is as follows:
The foregoing is only presently preferred embodiments of the present invention, be not limited to the substantial technological content model of the present invention Enclosing, the substantial technological content of the present invention is broadly to be defined in the right of application, any technology that other people complete Entity or method, if with the right of application defined in identical, also or the change of a kind of equivalence, all quilt It is considered as being covered by among this right.

Claims (24)

1. the preparation method of the glycoprotein compositions of a low solvent residue, it is characterised in that described method includes step:
A the solution of organic solvent with the composition material containing glycoprotein is sufficiently mixed precipitation by (), collect precipitate (1), uses After dehydration of organic solvent, continue to collect the composition precipitates of glycoprotein, it is thus achieved that the precipitate (2) containing glycoprotein compositions, institute The glycoprotein stated is selected from chorionic-gonadotropin hormone, HMG, follicule-stimulating hormone (FSH), lutropin or its mixing;
B (), by the precipitate (2) containing glycoprotein compositions and water system altogether same vacuum drying, obtains described low solvent residue Glycoprotein compositions, in the glycoprotein compositions of this low solvent residue, organic solvent weight/mass percentage composition is less than 0.5%;Described The content of organic solvent is measured by GC method.
2. preparation method as claimed in claim 1, it is characterised in that in step a, described dehydration organic solvent amount is wet heavy 0 to 10 times of shallow lake thing (1) weight.
3. preparation method as claimed in claim 2, it is characterised in that in step a, described dehydration organic solvent amount is wet heavy 1 to 4 times of shallow lake thing (1) weight.
4. preparation method as claimed in claim 1, it is characterised in that in step a, described organic solvent is selected from ethanol, acetone Or methanol.
5. preparation method as claimed in claim 1, it is characterised in that in step a, described organic solvent temperature is-20 to 25 ℃。
6. preparation method as claimed in claim 5, it is characterised in that in step a, described organic solvent temperature is-20 to 0 ℃。
7. preparation method as claimed in claim 1, it is characterised in that in step b, described vacuum drying temperature is 0 to 25 ℃。
8. preparation method as claimed in claim 7, it is characterised in that in step b, described vacuum drying temperature is 0 to 20 ℃。
9. preparation method as claimed in claim 1, it is characterised in that in step b, the described vacuum drying time be 1 to 48h。
10. preparation method as claimed in claim 9, it is characterised in that in step b, the described vacuum drying time be 10 to 24h。
11. preparation methoies as claimed in claim 1, it is characterised in that in stepb, the water in described water system is from the beginning Water, deionized water, reverse osmosis water, pure water or water for injection.
12. preparation methoies as claimed in claim 11, it is characterised in that in step b, the water in described water system be liquid, Solid-state, gaseous state or mixed style.
13. preparation methoies as claimed in claim 12, it is characterised in that in step b, described water system is aqueous solution.
14. preparation methoies as claimed in claim 12, it is characterised in that in step b, described water system is steamed for producing water The object of gas.
15. preparation methoies as claimed in claim 1, it is characterised in that described in step a containing glycoprotein compositions raw material Solution prepared by following steps:
By the material dissolution containing glycoprotein compositions in water or buffer, preparation is molten containing glycoprotein compositions raw material Liquid.
16. preparation methoies as claimed in claim 15, it is characterised in that described in be dissolved at temperature 5 to 20 DEG C and carry out.
17. preparation methoies as claimed in claim 16, it is characterised in that described temperature is at 10 to 16 DEG C.
18. preparation methoies as claimed in claim 15, it is characterised in that described buffer is selected from: pH value buffering range is 3 To the buffer of 11.
19. preparation methoies as claimed in claim 18, it is characterised in that described buffer is selected from: phosphate buffer, Tris buffer, sodium-acetate buffer.
20. preparation methoies as claimed in claim 15, it is characterised in that the described solution containing glycoprotein compositions raw material PH value controls 3 to 11.
21. preparation methoies as claimed in claim 20, it is characterised in that the described solution containing glycoprotein compositions raw material PH value controls 4 to 10.
22. preparation methoies as claimed in claim 1, it is characterised in that face is possibly together with following steps after the stepb:
C () is continued vacuum drying after removing water system and is obtained the glycoprotein compositions of described low solvent residue.
23. preparation methoies as claimed in claim 22, it is characterised in that in step c, the described vacuum drying time be 0 to 48h。
24. preparation methoies as claimed in claim 23, it is characterised in that in step c, the described vacuum drying time be 5 to 24h。
CN201110102073.8A 2011-04-22 2011-04-22 A kind of glycoprotein compositions of low solvent residue and its production and use Active CN102743742B (en)

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CN201110102073.8A CN102743742B (en) 2011-04-22 A kind of glycoprotein compositions of low solvent residue and its production and use
KR1020137031113A KR20140018970A (en) 2011-04-22 2012-04-20 Glycoprotein composition with low residual solvent level, and preparation method and use thereof
PCT/CN2012/074425 WO2012142961A1 (en) 2011-04-22 2012-04-20 Glycoprotein composition with low residual solvent level, and preparation method and use thereof

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Application Number Priority Date Filing Date Title
CN201110102073.8A CN102743742B (en) 2011-04-22 A kind of glycoprotein compositions of low solvent residue and its production and use

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CN101307103A (en) * 2007-09-11 2008-11-19 上海天伟生物制药有限公司 Purification method of follicle stimulating hormone
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