CN100362098C - Non-serum culture medium for multiple animal cell large-scale culture - Google Patents
Non-serum culture medium for multiple animal cell large-scale culture Download PDFInfo
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- CN100362098C CN100362098C CNB2005100301989A CN200510030198A CN100362098C CN 100362098 C CN100362098 C CN 100362098C CN B2005100301989 A CNB2005100301989 A CN B2005100301989A CN 200510030198 A CN200510030198 A CN 200510030198A CN 100362098 C CN100362098 C CN 100362098C
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Abstract
The present invention discloses a serum-free culture medium suitable for the large-scale culture of various animal cells. The present invention is characterized in that DMEM/F12 is used as a basic culture medium, and various growth factors, hormones, essential amino acids and trace elements are added on the basis. The present invention has the characteristics that the growth of multiple cell strains or cell lines can be supported, the serum-free culture medium is close to or equivalent to culture media containing serum in the aspects of cell growth and product expression, the long term passage culture of cells is supported, the containment of low concentration protein is favorable to the separation and the purification of products and improvement in product quality, low price and suitability for large scale industrialized production are realized, etc. Above all, serum-free culture media formed by the present invention are suitable for the continuous perfusion culture of multiple cell strains or cell lines, high cell density and product concentration can be obtained, and the production process efficiency and the product output rate can be obviously increased.
Description
Technical field
The present invention relates to be used to produce in the animal cell large-scale high-density culture process serum free medium of biological products such as antibody, vaccine, gene recombinant protein.
Technical background
Animal cell culture has been widely used in producing all kinds of biologically active substances such as monoclonal antibody, virus vaccines, virus vector, immune-regulating factor, somatomedin, particular tumor antigens and range gene recombinant protein drug etc., usually need to add the bovine serum of a certain amount of (5%-10%) in the tradition culturing process, contain required somatomedin, hormone, carrier proteins, anchoring factor, trace element and other the nutritive substance of cell growth in the serum, can greatly promote the growth of cell and the expression of product.
Yet the application of serum also brings a lot of shortcomings:
(1) pollution of serum susceptible viral, mycoplasma or other pathogenic agent;
(2) different lot number serum differences cause the difference between product batches;
(3) existence of a large amount of serum proteins has increased the difficulty of downstream separation purifying, and its cost is raise, and the rate of recovery reduces;
(4) the part serum protein is difficult to thoroughly remove by the separation and purification means, has a strong impact on the final quality of product.
In order to overcome the various shortcomings that serum brings, the eighties plays the research and development that just has many investigators to be engaged in serum free medium, Darfler etc. have developed the CITTL serum free medium, and it is a basic medium with DMEM/F12 (1: 1), add the Regular Insulin of 1.5mg/L, 3.0mg/L Transferrins,iron complexes, the testosterone of 2nmol/L, the catalase of 5mg/L, β-Phosphoric acid glycerol esters of 1.5mg/L, 0.5mg/L two inferior oleoyl phosphatidyl cholines, be used for the cultivation of hybridoma; Murakami etc. have developed the DMEM/F12-ITES serum free medium, it is the Regular Insulin that has added 5mg/L on the basis of DMEM/F12, the Transferrins,iron complexes of 2-35mg/L, 20 μ mol/L thanomins, the 1nmol/L Sodium Selenite, this substratum is widely used in cultivating hybridoma.
In addition, United States Patent (USP) U.S.P.5,063,157 related serum free mediums are used for the mammalian cell suspension culture, having added Transferrins,iron complexes, Regular Insulin, peptone, beta-D-xylopyranose derivative, selenium and polyamines in basic medium, is a low-protein culture medium; United States Patent (USP) U.S.P.4,443,546 is the similar low-protein culture medium of another money; United States Patent (USP) U.S.P.4, some clones that 657,866 synthetic mediums that relate to a kind of whole component clear and definite (chemical defined medium) are used to cultivate the animal and human; European patent E.P.481,791 disclose a kind of serum free medium that is used for Chinese hamster ovary celI, and it contains water, osmotic pressure regulator, buffer reagent, sugar, amino acid, iron, somatomedin and other must composition.
At present, existing a large amount of commercialization serum free medium is developed and is applied to all kinds of animal cell culture, be used for CD Hybridoma substratum, Hybridoma-SFM substratum, the PFHM-IIProtein-free substratum of hybridoma as GIBCO company, be used for CD CHO substratum, the CHO-s-SFM II substratum of Chinese hamster ovary celI; Hybri-Max of SIGMA company or the like.
Above-mentioned serum free medium all has advantage separately, the growth of sustenticular cell greatly well, but also there are a lot of shortcomings in they simultaneously:
(1) because of costing an arm and a leg, use on a small scale in only suitable laboratory; And be not suitable for extensive bio-reactor;
(2) substratum is not optimized at cell, and the cell density of being supported is lower, causes the production process productive rate not high;
(3) though the sustenticular cell growth well of some substratum tends to cause the ability of cell expression product to reduce, even forfeiture;
(4) the substratum pair cell has very high specificity, and common a kind of substratum only is fit to a cell strain or clone, and is not suitable for other cell strain or clone.
Summary of the invention
The technical issues that need to address of the present invention are to disclose a kind of serum free medium that is applicable to that multiple animal cell large-scale is cultivated, to overcome the above-mentioned defective that prior art exists.
The serum free medium that is applicable to that multiple animal cell large-scale is cultivated of the present invention be with weight ratio be=1: 1 DMEM and F12 be basic medium, compositions such as interpolation Regular Insulin, Transferrins,iron complexes, thanomin, Sodium.alpha.-ketopropionate albumin, beta-mercaptoethanol, trace element, hormone, indispensable amino acid;
The component of substratum DMEM and F12 is all open on GIBCO or SIGMA company products catalogue, and the relevant personnel can consult, and the present invention repeats no more, and can adopt business-like product, as the product of GIBCO or SIGMA company;
The component and the content of the final serum free medium that forms of the present invention are as follows:
Composition | The Chinese chemical name | Production firm | |
Inorganic salt (mg/L) | |||
CaCl 2 | Calcium chloride | SIGMA | ?116.60 |
CuSO 4·5H 2O | Copper sulfate | SIGMA | ?0.0013 |
?Fe(NO 3) 3·9H 2O | Iron nitrate | SIGMA | ?0.05 |
?FeSO4·7H 2O | Ferrous sulfate | SIGMA | ?0.417 |
?KCl | Repone K | SIGMA | ?311.80 |
?MgCl 2 | Magnesium chloride | SIGMA | ?28.64 |
?MgSO 4 | Sal epsom | SIGMA | ?48.84 |
?NaCl | Sodium-chlor | SIGMA | ?6995.50 |
?NaHCO 3 | Sodium bicarbonate | SIGMA | ?2440 |
?NaH 2PO 4H 2O | SODIUM PHOSPHATE, MONOBASIC | SIGMA | ?62.50 |
?Na 2HPO 4 | Sodium phosphate dibasic | SIGMA | ?71.02 |
?ZnSO 4·7H 2O | Zinc sulfate | SIGMA | ?0.432 |
L-amino acid (mg/L) | |||
?Alanine | L-Ala | SIGMA | ?4.45 |
?Arginine·HCl | Arginine | SIGMA | ?147.5-210.5 |
?Asparagine·H 2O | Asparamide | SIGMA | ?7.5-67.5 |
?Aspartic?acid | Aspartic Acid | SIGMA | ?6.65-26.6 |
?Cysteine·H 2O | Halfcystine | SIGMA | ?17.56-35.12 |
?Cystein·2HCl | Gelucystine | SIGMA | ?31.29-62.58 |
?Glutamic?acid | L-glutamic acid | SIGMA | ?7.35-29.4 |
?Glutamine | Glutamine | SIGMA | ?584-1168 |
?Glycine | Glycine | SIGMA | ?18.75-37.5 |
?Histidine·HCl·H 2O | Histidine | SIGMA | ?31.48-104.93 |
?Isoleucine | Isoleucine | SIGMA | ?52.4-131.0 |
?Leucine | Leucine | SIGMA | ?58.95-157.2 |
?Lysine·HCl | Methionin | SIGMA | ?91.25-182.5 |
?Methionine | Methionine(Met) | SIGMA | ?16.39-59.6 |
?Phenylalanine | Phenylalanine | SIGMA | ?33.0-82.5 |
?Proline | Proline(Pro) | SIGMA | ?17.25-34.5 |
?Serine | Serine | SIGMA | ?26.25-94.5 |
?Threonine | Threonine | SIGMA | ?53.55-95.2 |
?Tryptophan | Tryptophane | SIGMA | ?8.16-51.0 |
?Tyrosine·2Na·2H 2O | Tyrosine | SIGMA | ?55.79-139.5 |
?Valine | Xie Ansuan | SIGMA | ?52.65-117.0 |
VITAMIN/coenzyme (mg/L) | |||
?Biotin | Vitamin H | SIGMA | ?0.0035 |
?Pantothenate·Ca | Calcium pantothenate | SIGMA | ?2.24 |
?Choline·Cl | Choline | SIGMA | ?8.98 |
?Folic?acid | Folic acid | SIGMA | ?2.65 |
?Inositol | Inositol | SIGMA | ?12.60 |
?Niacinamide | Niacinamide | SIGMA | ?2.02 |
?Pyridoxine·HCl | Vitamin B6 | SIGMA | ?2.031 |
?Riboflavin | Riboflavin | SIGMA | ?0.219 |
Thiamine·HCl | Thiamines | SIGMA | ?2.17 |
Thymidine | Thymidine | SIGMA | ?0.365 |
Vitamin?B 12 | Vitamin B12 | SIGMA | ?0.68 |
Trace element (mg/L) | |||
Na 2SeO 3 | Sodium Selenite | SIGMA | ?0.0008-0.0035 |
MnSO 4·4H 2O | Manganous sulfate | SIGMA | ?0.00008-0.0008 |
Na 2SiO 3·5H 2O | Water glass | SIGMA | ?0.002-0.01 |
(NH 4) 6Mo 7O 24·4H 2O | Molybdenum acid ammonia | SIGMA | ?0.0017-0.017 |
NH 4VO 3 | Vanadic acid ammonia | SIGMA | ?0.00006-0.0006 |
NiCl 2·6H 2O | Nickelous chloride | SIGMA | ?0.00002-0.00024 |
SnCl 2·2H 2O | Tin chloride | SIGMA | ?0.00002-0.00023 |
Other composition (mg/L) | |||
Glucose | Glucose | SIGMA | ?1000-7200 |
Na?Hypoxanthine | Xanthoglobulin | SIGMA | ?2.39 |
Linoleic?acid | Linolic acid | SIGMA | ?0.042 |
Lipoic?acid | Thioctic Acid | SIGMA | ?0.105 |
Phenol?red | Phenol red | SIGMA | ?8.10 |
Sodium?Putrescine·2HCl | Putrescine | SIGMA | ?0.081 |
Pyruvate·Na | Sodium.alpha.-ketopropionate | SIGMA | ?220.00 |
Regular Insulin | SIGMA | ?5-10 | |
Transferrins,iron complexes | SIGMA | ?5-10 | |
Albumin | SIGMA | ?0-100 | |
Hormone (mg/L) | |||
Hydrocortisone | SIGMA | ?0.036-0.362 | |
Dexamethasone | SIGMA | ?0.039-0.392 | |
Progesterone | SIGMA | ?0.006-0.031 | |
Estradiol | SIGMA | ?0.0027-0.027 | |
The B-mercaptoethanol | SIGMA | ?0.61-1.83 | |
Thanomin | SIGMA | ?1.22-12.2 |
The preparation method of substratum of the present invention is foolproof, can adopt conventional method that the no thermal source ultrapure water of said components dissolving can be prepared from.
Substratum of the present invention can be used for that going down to posterity of clone such as hybridoma, rCHO cell, 293 cells or cell strain cultivated and high-density continous pouring is cultivated.It has the following advantages:
1. can support the growth of a plurality of cell strains or clone;
Aspect cell growth, the product expression with contain blood serum medium near or quite;
3. the cultivation of going down to posterity for a long time of sustenticular cell;
4. the protein that contains low concentration helps the separation and purification of product, improves the quality of product;
5. cheap, be suitable for large-scale industrial production;
The most important thing is that the formed serum free medium of the present invention is applicable to the continous pouring cultivation of a plurality of cell strains or clone, can obtain higher cell density and production concentration, can significantly improve production process efficient and product yield.
Description of drawings
Fig. 1 is that the growth of HB58 hybridoma continous pouring cultured cells is expressed curve with product.
Fig. 2 is that the growth of Chinese hamster ovary celI continous pouring cultured cells is expressed curve with product.
Fig. 3 is the growth curve of 293 cells in batch cultivation.
Embodiment
Embodiment 1
Serum free medium of the present invention can be used for the high-density continous pouring of hybridoma to be cultivated, and the moiety of substratum is as follows:
Composition | The Chinese chemical name | |
Inorganic salt (mg/L) | ||
?CaCl 2 | Calcium chloride | 116.60 |
?CuSO 4·5H 2O | Copper sulfate | 0.0013 |
?Fe(NO 3) 2·9H 2O | Iron nitrate | 0.05 |
?FeSO4·7H 2O | Ferrous sulfate | 0.417 |
?KCl | Repone K | 311.80 |
?MgCl 2 | Magnesium chloride | 28.64 |
?MgSO 4 | Sal epsom | 48.84 |
?NaCl | Sodium-chlor | 6995.50 |
?NaHCO 3 | Sodium bicarbonate | 2440 |
?NaH 2PO 4H 2O | SODIUM PHOSPHATE, MONOBASIC | 62.50 |
?Na 2HPO 4 | Sodium phosphate dibasic | 71.02 |
?ZnSO 4·7H 2O | Zinc sulfate | 0.432 |
L-amino acid (mg/L) | ||
?Alanine | L-Ala | 4.45 |
?Arginmine·HCl | Arginine | 210.5 |
?Asparagine·H 2O | Asparamide | 7.5 |
?Aspartic?acid | Aspartic Acid | 26.6 |
?Cysteine·H 2O | Halfcystine | 17.56 |
?Cystein·2HCl | Gelucystine | 31.29 |
?Glutamic?acid | L-glutamic acid | 14.7 |
?Glutamine | Glutamine | 1168 |
?Glycine | Glycine | 18.75 |
?Histidine·HCl·H 2O | Histidine | 104.93 |
?Isoleucine | Isoleucine | 131.0 |
?Leucine | Leucine | 157.2 |
?Lysine·HCl | Methionin | 182.5 |
?Methionine | Methionine(Met) | 16.39 |
?Phenylalanine | Phenylalanine | 82.5 |
?Proline | Proline(Pro) | 34.5 |
?Serine | Serine | 26.25 |
?Threonine | Threonine | 53.55 |
?Tryptophan | Tryptophane | 51.0 |
?Tyrosine·2Na·2H 2O | Tyrosine | 139.5 |
?Valine | Xie Ansuan | 117.0 |
?Vitamins/cofactors(mg/L) | ||
?Biotin | Vitamin H | 0.0035 |
?Pantothenate·Ca | Calcium pantothenate | 2.24 |
?Choline·Cl | Choline | 8.98 |
?Folic?acid | Folic acid | 2.65 |
?Inositol | Inositol | 12.60 |
?Niacinamide | Niacinamide | 2.02 |
?Pyridoxine·HCl | Vitamin B6 | 2.031 |
?Riboflavin | Riboflavin | 0.219 |
?Thiamine·HCl | Thiamines | 2.17 |
?Thymidine | Thymidine | 0.365 |
?Vitamin?B 12 | Vitamin B12 | 0.68 |
Trace element (mg/L) | ||
?Na 2SeO 3 | Sodium Selenite | 0.0016 |
?MnSO 4·4H 2O | Manganous sulfate | 0.00016 |
?Na 2SiO 3·5H 2O | Water glass | 0.005 |
?(NH 4) 6Mo 7O 24·4H 2O | Molybdenum acid ammonia | 0.0034 |
?NH 4VO 3 | Vanadic acid ammonia | 0.00012 |
?NiCl 2·6H 2O | Nickelous chloride | 0.0001 |
?SnCl 2·2H 2O | Tin chloride | 0.0001 |
Other composition (mg/L) | ||
?Glucose | Glucose | 6300 |
?Na?Hypoxanthine | Xanthoglobulin | 2.39 |
?Linoleic?acid | Linolic acid | 0.042 |
?Lipoic?acid | Thioctic Acid | 0.105 |
Phenol?red | Phenol red | 8.10 |
Sodium?Putrescine·2HCl | Putrescine | 0.081 |
Pyruvate·Na | Sodium.alpha.-ketopropionate | 220.00 |
Regular Insulin | 5 | |
Transferrins,iron complexes | 10 | |
|
100 | |
Hormone (mg/L) | ||
Hydrocortisone | 0.036 | |
Dexamethasone | 0.039 | |
Progesterone | 0.006 | |
Estradiol | 0.0027 | |
The B-mercaptoethanol | 0.61 | |
Thanomin | 12.2 |
Said components is mixed and the no thermal source ultrapure water of dissolving, can obtain substratum.
HB58 hybridoma (obtaining from ATCC) serum free medium of the present invention behind the adaptation of virus, is inoculated inoculum density 2.0 * 10 in 2 liters of bio-reactors of BF-2 (German B.BRAUN company)
5Cells/ml, cultivate begin after 56 hours the perfusion, irrigation rate is 0.5 (1/day), the perfusion culture base is serum free medium of the present invention, be cultured to 200 hours after cell density maintain 1.2 * 10
7About cells/ml, the monoclonal anti bulk concentration maintains 500mg/L left and right sides (see figure 1), and the result who criticizes cultivation with ordinary culture medium compares, and cell density and monoclonal antibody concentration all improve more than 8 times.Among the figure, curve 1 is a viable cell density, and curve 2 is total cell density, and curve 3 is the monoclonal antibody expression amount.
Serum free medium of the present invention can be used for the high-density continous pouring of rCHO cell to be cultivated, and the moiety of substratum is as follows:
Composition | The Chinese chemical name | |
Inorganic salt (mg/L) | ||
?CaCl 2 | Calcium chloride | 116.60 |
?CuSO 4·5H 2O | Copper sulfate | 0.0013 |
?Fe(NO 3) 3·9H 2O | Iron nitrate | 0.05 |
?FeSO4·7H 2O | Ferrous sulfate | 0.417 |
?KCl | Repone K | 311.80 |
?MgCl 2 | Magnesium chloride | 28.64 |
?MgSO 4 | Sal epsom | 48.84 |
?NaCl | Sodium-chlor | 6995.50 |
?NaHCO 3 | Sodium bicarbonate | 2440 |
?NaH 2PO 4H 2O | SODIUM PHOSPHATE, MONOBASIC | 62.50 |
?Na 2HPO 4 | Sodium phosphate dibasic | 71.02 |
?ZnSO 4·7H 2O | Zinc sulfate | 0.432 |
L-amino acid (mg/L) | ||
?Alanine | L-Ala | 4.45 |
?Arginine·HCl | Arginine | 168.4 |
?Asparagine·H 2O | Asparamide | 67.5 |
?Aspartic?acid | Aspartic Acid | 6.65 |
?Cysteine·H 2O | Halfcystine | 17.56 |
?Cystein·2HCl | Gelucystine | 62.58 |
?Glutamic?acid | L-glutamic acid | 7.35 |
?Glutamine | Glutamine | 1168 |
?Glycine | Glycine | 37.5 |
?Histidine·HCl·H 2O | Histidine | 47.22 |
?Isoleucine | Isoleucine | 131.0 |
?Leucine | Leucine | 157.2 |
?Lysine·HCl | Methionin | 127.7 |
?Methionine | Methionine(Met) | 29.8 |
?Phenylalanine | Phenylalanine | 33.0 |
?Proline | Proline(Pro) | 34.5 |
?Serine | Serine | 94.5 |
?Threonine | Threonine | 95.2 |
?Tryptophan | Tryptophane | 20.4 |
?Tyrosine·2Na·2H 2O | Tyrosine | 105.2 |
?Valine | Xie Ansuan | 93.6 |
?Vitamins/cofactors(mg/L) | ||
?Biotin | Vitamin H | 0.0035 |
?Pantothenate·Ca | Calcium pantothenate | 2.24 |
?Choline·Cl | Choline | 8.98 |
?Folic?acid | Folic acid | 2.65 |
?Inositol | Inositol | 12.60 |
?Niacinamide | Niacinamide | 2.02 |
?Pyridoxine·HCl | Vitamin B6 | 2.031 |
?Riboflavin | Riboflavin | 0.219 |
?Thiamine·HCl | Thiamines | 2.17 |
?Thymidine | Thymidine | 0.365 |
?Vitamin?B 12 | Vitamin B12 | 0.68 |
Trace element (mg/L) | ||
?Na 2SeO 3 | Sodium Selenite | 0.0016 |
?MnSO 4·4H 2O | Manganous sulfate | 0.00016 |
?Na 2SiO 3·5H 2O | Water glass | 0.005 |
?(NH 4) 6Mo 7O 24·4H 2O | Molybdenum acid ammonia | 0.0034 |
?NH 4VO 3 | Vanadic acid ammonia | 0.00012 |
?NiCl 2·6H 2O | Nickelous chloride | 0.00004 |
?SnCl 2·2H 2O | Tin chloride | 0.00004 |
Other composition (mg/L) | ||
?Glucose | Glucose | 7200 |
?Na?Hypoxanthine | Xanthoglobulin | 2.39 |
?Linoleic?acid | Linolic acid | 0.042 |
?Lipoic?acid | Thioctic Acid | 0.105 |
?Phenol?red | Phenol red | 8.10 |
?Sodium?Putrescine·2HCl | Putrescine | 0.081 |
?Pymvate·Na | Sodium.alpha.-ketopropionate | 220.00 |
Regular Insulin | 10 | |
Transferrins,iron complexes | 10 | |
|
100 | |
Hormone (mg/L) | ||
Hydrocortisone | 0.036 | |
Dexamethasone | 0.039 | |
Progesterone | 0.006 | |
Estradiol | 0.0027 | |
The B-mercaptoethanol | 0.61 | |
Thanomin | 12.2 |
(rCHO SS3 A2, expressing human anticoagulin m) behind the adaptation of virus, inoculates inoculum density 2.0 * 10 in 2 liters of bio-reactors of B.BRAUN in serum free medium of the present invention with the rCHO cell
5Cells/ml, cultivate begin after 40 hours the perfusion, irrigation rate is 0.58 (1/day), the perfusion culture base is serum free medium of the present invention, be cultured to 255 hours after cell density maintain 0.9-1.0 * 10
7About cells/ml, production concentration maintains 350-380U/L left and right sides (see figure 2), and the result who criticizes cultivation with ordinary culture medium compares, and cell density and monoclonal antibody concentration improve 6 times and 5 times respectively.Among the figure, curve 4 is a viable cell density, the total cell density of curve, and curve 6 is the product expression amount.
Serum free medium of the present invention can be used for the cultivation of 293 cells, and the moiety of substratum is as follows:
Composition | The Chinese chemical name | |
Inorganic salt (mg/L) | ||
CaCl 2 | Calcium chloride | 116.60 |
CuSO 4·5H 2O | Copper sulfate | 0.0013 |
?Fe(NO 3) 3·9H 2O | Iron nitrate | 0.05 |
?FeSO4·7H 2O | Ferrous sulfate | 0.417 |
?KCl | Repone K | 311.80 |
?MgCl 2 | Magnesium chloride | 28.64 |
?MgSO 4 | Sal epsom | 48.84 |
?NaCl | Sodium-chlor | 6995.50 |
?NaHCO 3 | Sodium bicarbonate | 2440 |
?NaH 2PO 4H 2O | SODIUM PHOSPHATE, MONOBASIC | 62.50 |
?Na 2HPO 4 | Sodium phosphate dibasic | 71.02 |
?ZnSO 4·7H 2O | Zinc sulfate | 0.432 |
L-amino acid (mg/L) | ||
?Alanine | L-Ala | 4.45 |
?Arginme·HCl | Arginine | 168.4 |
?Asparagine·H 2O | Asparamide | 7.5 |
?Aspartic?acid | Aspartic Acid | 6.65 |
?Cysteine·H 2O | Halfcystine | 17.56 |
?Cystein·2HCl | Gelucystine | 31.29 |
?Glutamic?acid | L-glutamic acid | 7.35 |
?Glutamine | Glutamine | 584 |
?Glycine | Glycine | 18.75 |
?Histidine·HCl·H 2O | Histidine | 31.48 |
?Isoleucine | Isoleucine | 54.47 |
?Leucine | Leucine | 59.05 |
?Lysine·HCl | Methionin | 91.25 |
?Methionine | Methionine(Met) | 29.8 |
?Phenylalanine | Phenylalanine | 33.0 |
?Proline | Proline(Pro) | 34.5 |
?Serine | Serine | 26.25 |
?Threonine | Threonine | 53.45 |
?Tryptophan | Tryptophane | 20.4 |
?Tyrosine·2Na·2H 2O | Tyrosine | 55.79 |
?Valine | Xie Ansuan | 52.8 |
?Vitamins/cofactors(mg/L) | ||
?Biotin | Vitamin H | 0.0035 |
?Pantothenate·Ca | Calcium pantothenate | 2.24 |
?Choline·Cl | Choline | 8.98 |
?Folic?acid | Folic acid | 2.65 |
?Inositol | Inositol | 12.60 |
?Niacimmide | Niacinamide | 2.02 |
?Pyridoxine·HCl | Vitamin B6 | 2.031 |
?Riboflavin | Riboflavin | 0.219 |
?Thiarnine·HCl | Thiamines | 2.17 |
?Thymidine | Thymidine | 0.365 |
?Vitamin?B 12 | Vitamin B12 | 0.68 |
Trace element (mg/L) | ||
?Na 2SeO 3 | Sodium Selenite | 0.0016 |
?MnSO 4·4H 2O | Manganous sulfate | 0.00016 |
?Na 2SiO 3·5H 2O | Water glass | 0.005 |
?(NH 4) 6Mo 7O 24·4H 2O | Molybdenum acid ammonia | 0.0034 |
?NH 4VO 3 | Vanadic acid ammonia | 0.00012 |
?NiCl 2·6H 2O | Nickelous chloride | 0.00004 |
?SnCl 2·2H 2O | Tin chloride | 0.00004 |
Other composition (mg/L) | ||
?Glucose | Glucose | 3150 |
?Na?Hypoxanthine | Xanthoglobulin | 2.39 |
?Linoleic?acid | Linolic acid | 0.042 |
?Lipoic?acid | Thioctic Acid | 0.105 |
?Phenol?red | Phenol red | 8.10 |
?Sodium?Putrescine·2HCl | Putrescine | 0.081 |
?Pyruvate·Na | Sodium.alpha.-ketopropionate | 220.00 |
Regular Insulin | 10 | |
Transferrins,iron complexes | 10 | |
|
100 | |
Hormone (mg/L) | ||
Hydrocortisone | 0.036 | |
Dexamethasone | 0.039 | |
Progesterone | 0.006 | |
Estradiol | 0.0027 | |
The B-mercaptoethanol | 0.61 | |
Thanomin | 12.2 |
293 cells behind the adaptation of virus, are inoculated in 2 liters of bio-reactors of B.BRAUN and criticized cultivation in serum free medium of the present invention, and inoculum density is 2.45 * 10
5Cells/ml, the lag phase is almost can't see in the growth of cell as seen from Figure 3, promptly enters exponential phase of growth after the inoculation, and the average specific growth velocity is 0.46day
-1, maximum viable cell density is 11.0 * 10
5Cells/ml.Among the figure, curve 7 is a viable cell density, and curve 8 is the viable cell ratio.
Claims (2)
1. a serum free medium that is applicable to that multiple animal cell large-scale is cultivated is characterized in that, final nutrient media components and the content that forms is as follows:
2. the application of serum free medium according to claim 1 is characterized in that, is used for the go down to posterity cultivation and the high-density continous pouring cultivation of hybridoma, rCHO cell or 293 cells.
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CNB2005100301989A CN100362098C (en) | 2005-09-29 | 2005-09-29 | Non-serum culture medium for multiple animal cell large-scale culture |
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CN101386836B (en) * | 2007-09-12 | 2010-11-24 | 北京清大天一科技有限公司 | Zooblast culture medium dry powder composition, culture medium composition and preparation method thereof |
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