JP2020189853A - 抗体を精製するための方法 - Google Patents
抗体を精製するための方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 80
- 239000000203 mixture Substances 0.000 claims abstract description 177
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 claims abstract description 51
- 239000002953 phosphate buffered saline Substances 0.000 claims abstract description 51
- OWMVSZAMULFTJU-UHFFFAOYSA-N bis-tris Chemical compound OCCN(CCO)C(CO)(CO)CO OWMVSZAMULFTJU-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000011026 diafiltration Methods 0.000 claims abstract description 31
- 239000012535 impurity Substances 0.000 claims abstract description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 18
- 102000004169 proteins and genes Human genes 0.000 claims description 15
- 108090000623 proteins and genes Proteins 0.000 claims description 15
- 238000001042 affinity chromatography Methods 0.000 claims description 13
- 238000005571 anion exchange chromatography Methods 0.000 claims description 11
- 238000005277 cation exchange chromatography Methods 0.000 claims description 11
- 239000012459 cleaning agent Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 239000011780 sodium chloride Substances 0.000 claims description 10
- 238000004587 chromatography analysis Methods 0.000 claims description 9
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 claims description 6
- 239000001488 sodium phosphate Substances 0.000 claims description 6
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 6
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 description 15
- 238000000746 purification Methods 0.000 description 13
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 241000700605 Viruses Species 0.000 description 7
- 239000000872 buffer Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 229920002684 Sepharose Polymers 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 239000006167 equilibration buffer Substances 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000012784 weak cation exchange Methods 0.000 description 4
- 230000002779 inactivation Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 3
- 238000010268 HPLC based assay Methods 0.000 description 2
- FBOZXECLQNJBKD-ZDUSSCGKSA-N L-methotrexate Chemical compound C=1N=C2N=C(N)N=C(N)C2=NC=1CN(C)C1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 FBOZXECLQNJBKD-ZDUSSCGKSA-N 0.000 description 2
- 229920001213 Polysorbate 20 Polymers 0.000 description 2
- 239000012505 Superdex™ Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000005377 adsorption chromatography Methods 0.000 description 2
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- 229960000074 biopharmaceutical Drugs 0.000 description 2
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- 229960004497 dinutuximab Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229960000485 methotrexate Drugs 0.000 description 2
- 102000039446 nucleic acids Human genes 0.000 description 2
- 108020004707 nucleic acids Proteins 0.000 description 2
- 150000007523 nucleic acids Chemical class 0.000 description 2
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 2
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 2
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- 229940068968 polysorbate 80 Drugs 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001542 size-exclusion chromatography Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000003989 weak cation exchange chromatography Methods 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 102000007056 Recombinant Fusion Proteins Human genes 0.000 description 1
- 108010008281 Recombinant Fusion Proteins Proteins 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000004102 animal cell Anatomy 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000000337 buffer salt Substances 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000011210 chromatographic step Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000013020 final formulation Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 238000011107 packed bed chromatography Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229950008882 polysorbate Drugs 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- 239000012064 sodium phosphate buffer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940093635 tributyl phosphate Drugs 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/12—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the preparation of the feed
- B01D15/125—Pre-filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
- B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
- B01D15/1871—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns placed in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/24—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the treatment of the fractions to be distributed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
- B01D15/361—Ion-exchange
- B01D15/362—Cation-exchange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
- B01D15/361—Ion-exchange
- B01D15/363—Anion-exchange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/38—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups B01D15/265 and B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography
- B01D15/3804—Affinity chromatography
- B01D15/3809—Affinity chromatography of the antigen-antibody type, e.g. protein A, G or L chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/16—Feed pretreatment
-
- 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
-
- 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
- C07K1/16—Extraction; Separation; Purification by chromatography
- C07K1/18—Ion-exchange chromatography
-
- 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
-
- C—CHEMISTRY; METALLURGY
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- 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
- C07K1/36—Extraction; Separation; Purification by a combination of two or more processes of different types
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
- C07K16/30—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
- C07K16/3076—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells against structure-related tumour-associated moieties
- C07K16/3084—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells against structure-related tumour-associated moieties against tumour-associated gangliosides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/16—Diafiltration
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/10—Immunoglobulins specific features characterized by their source of isolation or production
- C07K2317/14—Specific host cells or culture conditions, e.g. components, pH or temperature
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
- C07K2317/24—Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Immunology (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Cell Biology (AREA)
- Peptides Or Proteins (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
Description
本願は、2014年7月25日に出願された米国仮出願第62/028,994号の利益を請求し、その内容は参照により本明細書に完全に組み込まれる。
本明細書に記載される多くの実施形態は、精製された組成物を得るために、リン酸緩衝食塩水(PBS)により生物学的組成物をダイアフィルトレーションすることを含む、生物学的組成物の精製方法に関する。
(a)前記モノクローナル抗体を含む第一の組成物をアフィニティクロマトグラフィーカラムに通過させて、前記モノクローナル抗体を含む第二の組成物を得;
(b)前記第二の組成物のpHを低下させて第三の組成物を得;
(c)溶媒洗浄剤(solvent-detergent)を用いて前記第三の組成物を洗浄して第四の組成物を得;
(d)前記溶媒洗浄剤を除去するために前記第四の組成物を洗浄して第五の組成物を得;
(e)前記第五の組成物を陽イオン交換クロマトグラフィーカラムに通過させて、前記モノクローナル抗体を含む第六の組成物を得;
(f)前記第六の組成物をナノろ過にかけて、第七の組成物を得;
(g)前記第七の組成物を陰イオン交換クロマトグラフィーカラムに通過させて、前記モノクローナル抗体及びBis−trisを含む第八の組成物を得;
(h)PBSを含む組成物へと前記第八の組成物をダイアフィルトレーションして、前記モノクローナル抗体を含むが、Bis−trisを実質的に含まない第九の組成物を得ること、を含む。
実施形態2−前記生物学的組成物は少なくとも1つの単離されたタンパク質を含む、実施形態1の方法。
実施形態3−前記生物学的組成物は少なくとも1つの単離されたモノクローナル抗体、例えばch14.18を含む、実施形態1〜2の方法。
実施形態4−前記生物学的組成物はさらに、少なくとも1つの不純物、例えばビス(2−ヒドロキシエチル)アミノ−トリス(ヒドロキシメチル)メタン(Bis−tris)を含む、実施形態1〜3のいずれかの方法。
実施形態5−前記生物学的組成物はさらに、pH6.3〜6.7において10〜50mMの濃度で、Bis−trisをさらに含む、実施形態1〜4のいずれかの方法。
実施形態6−前記ダイアフィルトレーションは、前記生物学的組成物から少なくとも50%、少なくとも70%、又は少なくとも90%のBis−trisを除去する、実施形態1〜5のいずれかの方法。
実施形態7−前記PBSの濃度は、10〜50mMのリン酸ナトリウム及び100〜200mMのNaClである、実施形態1〜6のいずれかの方法。
実施形態8−前記モノクローナル抗体は、PBSを含む組成物へとダイアフィルトレーションされる前に、少なくとも2.0〜5.0AUの濃度に濃縮される、実施形態1〜7のいずれかの方法。
実施形態9−少なくとも1つのクロマトグラフィーカラムを使用して、前記モノクローナル抗体を単離及び精製することをさらに含む、実施形態1〜8のいずれかの方法。
実施形態10−少なくとも1つのアフィニティクロマトグラフィーカラム、少なくとも1つの陽イオン交換クロマトグラフィーカラム、及び/又は少なくとも1つの陰イオン交換クロマトグラフィーカラム、例えばCapto(商標)吸着カラムを使用して、前記モノクローナル抗体を単離及び精製することをさらに含む、実施形態1〜9のいずれかの方法。
実施形態11−前記モノクローナル抗体は、PBSによりダイアフィルトレーションされる前に、Bis−trisを含む組成物を使用して、Capto(商標)吸着カラムから溶出される、実施形態1〜10のいずれかの方法。
実施形態12−少なくとも3容積単位 (volume unit)、少なくとも4容積単位、少なくとも5容積単位、又は少なくとも6容積単位の生物学的組成物は、1容積単位の、PBSを含む組成物へとダイアフィルトレーションされる、実施形態1〜11のいずれかの方法。
実施形態13−前記精製された組成物は、ヒスチジンを含む組成物へとさらにダイアフィルトレーションされる、実施形態1〜12のいずれかの方法。
実施形態14−(a)前記モノクローナル抗体を含む第一の組成物をアフィニティクロマトグラフィーカラムに通過させて、前記モノクローナル抗体を含む第二の組成物を得;(b)前記第二の組成物のpHを低下させて第三の組成物を得;(c)溶媒洗浄剤を用いて前記第三の組成物を洗浄して第四の組成物を得;(d)前記溶媒洗浄剤を除去するために前記第四の組成物を洗浄して第五の組成物を得;(e)前記第五の組成物を陽イオン交換クロマトグラフィーカラムに通過させて、前記モノクローナル抗体を含む第六の組成物を得;(f)前記第六の組成物をナノろ過にかけて、第七の組成物を得;(g)前記第七の組成物を陰イオン交換クロマトグラフィーカラムに通過させて、前記モノクローナル抗体及びBis−trisを含む第八の組成物を得;(h)PBSを含む組成物へと前記第八の組成物をダイアフィルトレーションして、前記モノクローナル抗体を含むが、Bis−trisを実質的に含まない第九の組成物を得ることを含む、モノクローナル抗体を精製するための方法。
Claims (19)
- ch14.18モノクローナル抗体を含む生物学的組成物を精製するための方法であって、リン酸緩衝食塩水(PBS)を用いて前記生物学的組成物をダイアフィルトレーションし、精製された組成物を得ることを含む、方法。
- 前記ch14.18モノクローナル抗体が単離されたタンパク質である、請求項1に記載の方法。
- 前記生物学的組成物は少なくとも1つの不純物をさらに含む、請求項1に記載の方法。
- 前記不純物はビス(2−ヒドロキシエチル)アミノ−トリス(ヒドロキシメチル)メタン(Bis−tris)である、請求項3に記載の方法。
- 前記生物学的組成物中のBis−trisの濃度は、pH6.3〜6.7において10〜50mMのBis−trisである、請求項4に記載の方法。
- 前記ダイアフィルトレーションは、前記生物学的組成物から少なくとも50%のBis−trisを除去する、請求項4に記載の方法。
- 前記ダイアフィルトレーションは、前記生物学的組成物から少なくとも70%のBis−trisを除去する、請求項4に記載の方法。
- 前記PBSの濃度は、10〜50mMのリン酸ナトリウム及び100〜200mMのNaClである、請求項1に記載の方法。
- 前記ch14.18抗体は、PBSを含む組成物へとダイアフィルトレーションされる前に、少なくとも2.0〜5.0AUの濃度に濃縮される、請求項1に記載の方法。
- 前記ch14.18抗体は、PBSを含む組成物へとダイアフィルトレーションされる前に、少なくとも4.0〜6.0AUの濃度に濃縮される、請求項1に記載の方法。
- 少なくとも1つのクロマトグラフィーカラムを使用して、前記ch14.18抗体を単離及び精製することをさらに含む、請求項1に記載の方法。
- 少なくとも1つのアフィニティクロマトグラフィーカラム、少なくとも1つの陽イオン交換クロマトグラフィーカラム、及び/又は少なくとも1つの陰イオン交換クロマトグラフィーカラムを使用して、前記ch14.18抗体を単離及び精製することをさらに含む、請求項11に記載の方法。
- 前記陰イオン交換クロマトグラフィーカラムは、Capto(商標)吸着カラムである、請求項12に記載の方法。
- 前記ch14.18抗体は、Bis−trisを含む組成物を使用して、Capto(商標)吸着カラムから溶出される、請求項13に記載の方法。
- 少なくとも3容積単位の生物学的組成物は、1容積単位の、PBSを含む組成物へとダイアフィルトレーションされる、請求項1に記載の方法。
- 少なくとも5容積単位の生物学的組成物は、1容積単位の、PBSを含む組成物へとダイアフィルトレーションされる、請求項1に記載の方法。
- 前記精製された組成物は、ヒスチジンを含む組成物へとさらにダイアフィルトレーションされる、請求項1に記載の方法。
- モノクローナル抗体を精製するための方法であって、
(a)前記モノクローナル抗体を含む第一の組成物をアフィニティクロマトグラフィーカラムに通過させて、前記モノクローナル抗体を含む第二の組成物を得;
(b)前記第二の組成物のpHを低下させて第三の組成物を得;
(c)溶媒洗浄剤を用いて前記第三の組成物を洗浄して第四の組成物を得;
(d)前記溶媒洗浄剤を除去するために前記第四の組成物を洗浄して第五の組成物を得;
(e)前記第五の組成物を陽イオン交換クロマトグラフィーカラムに通過させて、前記モノクローナル抗体を含む第六の組成物を得;
(f)前記第六の組成物をナノろ過にかけて、第七の組成物を得;
(g)前記第七の組成物を陰イオン交換クロマトグラフィーカラムに通過させて、前記モノクローナル抗体及びBis−trisを含む第八の組成物を得;
(h)PBSを含む組成物へと前記第八の組成物をダイアフィルトレーションして、前記モノクローナル抗体を含むが、Bis−trisを実質的に含まない第九の組成物を得ること
を含む、方法。 - ch14.18モノクローナル抗体を含む生物学的組成物からビス(2−ヒドロキシエチル)アミノ−トリス(ヒドロキシメチル)メタン(bis−tris)を除去するための方法であって、前記生物学的組成物を、リン酸緩衝食塩水(PBS)を用いてダイアフィルトレーションし、前記生物学的組成物から少なくとも50%のbis−trisを除去することを含む、方法。
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