JP6282467B2 - タンパク質を生産するための方法 - Google Patents
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/745—Blood coagulation or fibrinolysis factors
- C07K14/755—Factors VIII, e.g. factor VIII C (AHF), factor VIII Ag (VWF)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/64—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue
- C12N9/6421—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue from mammals
- C12N9/6424—Serine endopeptidases (3.4.21)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/64—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue
- C12N9/6421—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue from mammals
- C12N9/6424—Serine endopeptidases (3.4.21)
- C12N9/6437—Coagulation factor VIIa (3.4.21.21)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/64—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue
- C12N9/6421—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue from mammals
- C12N9/6424—Serine endopeptidases (3.4.21)
- C12N9/644—Coagulation factor IXa (3.4.21.22)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
- C12Y304/21021—Coagulation factor VIIa (3.4.21.21)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
- C12Y304/21022—Coagulation factor IXa (3.4.21.22)
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- Engineering & Computer Science (AREA)
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- Genetics & Genomics (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Gastroenterology & Hepatology (AREA)
- Toxicology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Peptides Or Proteins (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
実施例1は、5Lバイオリアクター(実験室規模)でのATF灌流装置において、本発明の方法を使用して行われる、第IX因子タンパク質に関する培養を記載する。前記培養は、ATF灌流装置を使用して実施した。前記培養は、安定な細胞の密度、生存率、および生成物の収量をもたらした。出液の範囲は、0から20%まで変化させた。
細胞型は、FIXを発現するCHO−K1株である。
使用した培地は、細胞の増殖および生成物の産生を支持する市販の培地であった。そのような培地には、通常、インスリン、ビタミンK1、グルタミンおよびグルコースが添加される。
FIXの培養のための方法の後に、本発明に係るATF方法を設定した。前記方法は、細胞バンクのバイアルを解凍すること、およびT−フラスコまたは低撹拌(<30rpm)を伴う振とうフラスコへの細胞の移行を含んでいた。5Lバイオリアクターに接種するために、十分な細胞がもたらされるまで、細胞増殖を振とうフラスコにおいて行った。全ての方法工程で、前記細胞は、無血清培地中の懸濁物において培養される。前記バイオリアクターでは、最初の2〜3日間、バッチモードで培養を行った。灌流、パルスおよび回収を開始するための前記基準が満たされると、培地を連続的に供給した。グルタミンおよびグルコースを、一度にまたは連続的に(必要に応じて)添加した。回収物を、遠心分離および/またはろ過によってGMO清澄化し、一次回収物に移した。
タンクを組み立てる前に、pH電極を、4.0緩衝液および7.4緩衝液を用いて較正し、7.0緩衝液を用いて検査した。前記タンクは、PBS(9.6g/l)と共に滅菌し、PBSを、その後、培地と交換した。酸素電極を、PBS溶液中の窒素(0%)および空気(100%)を用いて較正した。
前記方法のパラメータの設定点を、以下の表1に特定されるように調節した。
播種する細胞の濃度は、3〜6×105細胞/mlの範囲を標的とした。塩基は、接種の2日後まで接続した。
前記細胞の濃度が実験的増殖期に到達した際に、灌流および出液を開始した。出液/回収の速度の比率は、10/90(%)であった。回収ボトルは、培養中、毎日交換した。
前記細胞培養物を、前記タンクからブルーキャップフラスコへと回収した。前記培養物を、0.22μmのフィルターを使用して滅菌ろ過した。約1Lの回収物を、滅菌バッグ中に移し、凍結した。
前記細胞の濃度は、約7〜8×106細胞/mlで安定なままであった。
実施例2は、大規模(>500L)でのATF灌流装置において、本発明の方法を使用して行われる、第IX因子タンパク質に関する培養を記載する。大規模での方法(実施例2)は、実施例1において上述のものと同じ菌株、培地、および全体的な方法工程を使用して行った。方法のパラメータ(すなわち、バイオリアクターのパラメータ、操作条件等)に関しては、これらは、また、実施例1において上述のものと同様であった。
表2は、生産された第IX因子の質が、従来の方法(「半連続方法」)と比較してATF方法を使用した場合も、維持されることを示す。しかしながら、ATF方法は、はるかに大きな量/収量をもたらす(図2に示されるように)。
Claims (6)
- 懸濁物中の細胞培養物の連続灌流培養によって、止血タンパク質を生産するための方法であって、
前記細胞培養物が、前記培養物の懸濁物中に前記止血タンパク質を発現し、
前記細胞培養物が、フィルターモジュールを通過して流動し、前記フィルターモジュールが、回収ポートに通じ、前記フィルターモジュールが、前記止血タンパク質の通過を可能とする0.1から2.9μmまでのメッシュサイズを有し、
前記フィルターモジュールを通過する前記流動が、交互のタンジェンシャルフローであり、
前記細胞の濃度が、8×106細胞/ml未満に維持され、
前記止血タンパク質が、第IX因子である、
方法。 - 大規模発酵(少なくとも500L)において行われる、請求項1に記載の方法。
- 前記灌流の速度が、1日当たり0.7から10容量までである、請求項1または2に記載の方法。
- ろ過されていない細胞培養物の懸濁物が、1日当たり0から0.5容量の速度で取り除かれる、請求項1から3のいずれか一項に記載の方法。
- ろ過されていない細胞培養物の懸濁物が、1日当たり0.01から0.2容量の速度で取り除かれる、請求項1から4のいずれか一項に記載の方法。
- ろ過されていない細胞培養物の懸濁物が、連続的にまたは不連続的に取り除かれる、請求項1から5のいずれか一項に記載の方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10186545.9 | 2010-10-05 | ||
| EP10186545 | 2010-10-05 | ||
| US39271310P | 2010-10-13 | 2010-10-13 | |
| US61/392,713 | 2010-10-13 | ||
| PCT/EP2011/067372 WO2012045769A1 (en) | 2010-10-05 | 2011-10-05 | Process for protein production |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016153606A Division JP2016187360A (ja) | 2010-10-05 | 2016-08-04 | タンパク質を生産するための方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013538588A JP2013538588A (ja) | 2013-10-17 |
| JP2013538588A5 JP2013538588A5 (ja) | 2014-11-20 |
| JP6282467B2 true JP6282467B2 (ja) | 2018-02-21 |
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| JP2013532180A Active JP6282467B2 (ja) | 2010-10-05 | 2011-10-05 | タンパク質を生産するための方法 |
| JP2016153606A Withdrawn JP2016187360A (ja) | 2010-10-05 | 2016-08-04 | タンパク質を生産するための方法 |
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| JP2016153606A Withdrawn JP2016187360A (ja) | 2010-10-05 | 2016-08-04 | タンパク質を生産するための方法 |
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| Country | Link |
|---|---|
| US (1) | US10138290B2 (ja) |
| EP (2) | EP2625262B1 (ja) |
| JP (2) | JP6282467B2 (ja) |
| CN (2) | CN103154233A (ja) |
| ES (1) | ES2556454T3 (ja) |
| PL (1) | PL2625262T3 (ja) |
| WO (1) | WO2012045769A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JP2016187360A (ja) | 2016-11-04 |
| PL2625262T3 (pl) | 2016-05-31 |
| ES2556454T3 (es) | 2016-01-18 |
| US20130244283A1 (en) | 2013-09-19 |
| CN107190034A (zh) | 2017-09-22 |
| CN103154233A (zh) | 2013-06-12 |
| EP2625262B1 (en) | 2015-09-23 |
| JP2013538588A (ja) | 2013-10-17 |
| WO2012045769A1 (en) | 2012-04-12 |
| EP2957628A1 (en) | 2015-12-23 |
| US10138290B2 (en) | 2018-11-27 |
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