KR101443257B1 - 낮은 등전점을 갖는 에리스로포이에틴 유사체의 정제방법 - Google Patents
낮은 등전점을 갖는 에리스로포이에틴 유사체의 정제방법 Download PDFInfo
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- KR101443257B1 KR101443257B1 KR1020110106230A KR20110106230A KR101443257B1 KR 101443257 B1 KR101443257 B1 KR 101443257B1 KR 1020110106230 A KR1020110106230 A KR 1020110106230A KR 20110106230 A KR20110106230 A KR 20110106230A KR 101443257 B1 KR101443257 B1 KR 101443257B1
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- erythropoietin
- fraction
- anion exchange
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- exchange chromatography
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- OXCMYAYHXIHQOA-UHFFFAOYSA-N potassium;[2-butyl-5-chloro-3-[[4-[2-(1,2,4-triaza-3-azanidacyclopenta-1,4-dien-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methanol Chemical class [K+].CCCCC1=NC(Cl)=C(CO)N1CC1=CC=C(C=2C(=CC=CC=2)C2=N[N-]N=N2)C=C1 OXCMYAYHXIHQOA-UHFFFAOYSA-N 0.000 title claims abstract description 92
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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
- C07K1/16—Extraction; Separation; Purification by chromatography
- C07K1/18—Ion-exchange chromatography
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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
- C07K14/475—Growth factors; Growth regulators
- C07K14/505—Erythropoietin [EPO]
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- 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
- C07K1/22—Affinity chromatography or related techniques based upon selective absorption processes
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- 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
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- 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
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
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- 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
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
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Abstract
Description
도 2는 본 발명에 따른 정제 방법 중 1차 이온 교환 크로마토그래피를 이용하여 4 미만의 등전점을 갖는 에리스로포이에틴 유사체을 포함하는 제1분획물을 수득한 크로마토그램이다. 화살표는 목적 단백질의 크로마토그램 피크를 나타낸다.
도 3은 본 발명에 따른 정제 방법 중 흡착 크로마토그래피를 이용하여 4 미만의 등전점을 갖는 에리스로포이에틴 유사체을 포함하는 제2분획물을 수득한 크로마토그램이다. 화살표는 목적 단백질의 크로마토그램 피크를 나타낸다.
도 4는 본 발명에 따른 정제 방법의 단계별로 수득한 분획물에 대하여 소디움 도데실 설페이트-폴리아크릴아마이드 겔 전기영동을 하고 쿠마시 염색한 결과를 나타낸 도이다. 화살표는 목적 단백질 및 NESP 표준품의 밴드를 나타낸다.
레인 1: 분자량 표준품(BIO-RAD)
레인 2: 동물세포 배양액(한외여과 여과액)
레인 3: 1차 이온 교환 크로마토그래피 제1분획물
레인 4: 흡착 크로마토그래피 제2분획물
레인 5: 2차 이온 교환 크로마토그래피 제3분획물
레인 6: NESP 표준품
도 5는 본 발명에 따른 최종 정제 단계로 수득한 제3분획물에 대한 등전점 검사 겔 쿠마시 염색 결과를 나타낸 도이다.
레인 1: 2차 이온 교환 크로마토그래피 주입 분획
레인 2: 2차 이온 교환 크로마토그래피 pH 세척 정제 분획
레인 3: 2차 이온 교환 크로마토그래피 정제 분획
레인 4: NESP 표준품
도 6은 본 발명에 따른 정제 방법 중 2차 음이온 교환 크로마토그래피를 이용하여 4 미만의 등전점을 갖는 에리스로포이에틴 유사체을 포함하는 제3분획물을 수득한 크로마토그램이다. 화살표는 목적 단백질의 크로마토그램 피크를 나타낸다.
도 7은 본 발명에 따른 분석 방법 중 크기 배제 크로마토그래피를 이용하여 NESP의 순도를 분석한 크로마토그램이다. 화살표는 목적 단백질의 크로마토그램 피크를 나타낸다.
도 8은 본 발명에 따른 흡착 크로마토그래피와 2차 이온교환 크로마토그래피를 결합한 정제 방법으로 수득한 분획물에 대한 등전점 검사 겔 쿠마시 염색 결과를 나타낸 도이다.
레인 1: NESP 표준품
레인 2: 2차 이온 교환 크로마토그라피 정제 분획
도 9는 본 발명에 따른 공정 단계별 수득물을 크기 배제 크로마토그래피를 이용하여 순도를 분석한 크로마토그래피이다.
정제단계 | 부피 (mL) | 농도 (mg/mL) | 단백량 (mg) | 순도 (%) | 함량 (mg) | 전체수율 (%) |
배양농축액 | 6780 | 0.5 | 3390.0 | 22.4 | 759.4 | - |
1차 음이온 | 2466 | 0.3 | 813.8 | 60.1 | 489.1 | 60.1 |
흡착 | 4695 | 0.1 | 469.5 | 94.0 | 441.3 | 54.2 |
2차 음이온 | 424 | 0.4 | 148.4 | 99.0 | 146.9 | 18.1 |
Claims (11)
- 다음의 단계를 포함하는 4 미만의 등전점을 갖는 에리스로포이에틴(Erythropoietin: EPO) 유사체로서 N-연결 당쇄가 4개 이상인 적혈구 자극인자의 정제방법:
(a) 상기 4 미만의 등전점을 갖는 에리스로포이에틴 유사체를 발현하는 동물세포의 배양액으로부터 동물세포를 제거하여 전처리 용액을 수득하는 단계;
(b) 상기 전처리 용액을 1차 음이온 교환 크로마토그래피에 적용하여 상기 에리스로포이에틴 유사체를 포함하는 제1분획물을 수득하는 단계;
(c) 상기 제1분획물을 흡착 크로마토그래피에 적용하여 상기 에리스로포이에틴 유사체를 포함하는 제2분획물을 수득하는 단계; 및
(d) 상기 제2분획물을 2차 음이온 교환 크로마토그래피에 적용하여 상기 에리스로포이에틴 유사체를 포함하는 제3분획물을 수득하는 단계.
- 제 1 항에 있어서, 상기 에리스로포이에틴 유사체를 발현하는 동물세포는 CHO(Chinese hamster ovary), VERO, HeLa 세포, WI38, BHK(Baby hamster kidney), COS 세포 또는 MDCK(Madin-Darby Canine Kidney) 세포를 포함하는 정제방법.
- 제 1 항에 있어서, 상기 단계 (a)는 (i) 심층 여과 필터 및 멤브레인 여과 필터에 의한 여과 후 한외여과하여 실시하거나 또는 (ii) 원심분리 후 한외여과하여 실시하는 것을 특징으로 하는 정제방법.
- 삭제
- 제 1 항에 있어서, 상기 단계 (c)의 흡착 크로마토그래피는 하이드록시아파타이트(hydroxyapatite)를 이용하는 것을 특징으로 하는 정제방법.
- 삭제
- 제 1 항에 있어서, 상기 단계 (b)의 1차 음이온 교환 크로마토그래피는 세척용액으로 pH 4.0 미만의 완충액을 사용하는 것을 특징으로 하는 정제방법.
- 제 1 항에 있어서, 상기 단계 (d)의 2차 음이온 교환 크로마토그래피는 세척용액으로 pH 2.0-4.0의 완충액을 사용하는 것을 특징으로 하는 정제방법.
- 제 1 항에 있어서, 상기 단계 (c)와 단계 (d)를 하나의 공정으로 처리하는 것을 특징으로 하는 정제방법.
- 삭제
- 제 1 항에 있어서, 상기 N-연결 당쇄가 4개 이상인 적혈구 자극인자는 N-연결 당쇄가 5개인 NESP(Novel Erythropoiesis Stimulating Protein)인 것을 특징으로 하는 정제방법.
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EP12841143.6A EP2768846B1 (en) | 2011-10-18 | 2012-09-28 | Methods for purifying erythropoietin analogs having lower isoelectric point |
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WO2014204023A1 (ko) * | 2013-06-17 | 2014-12-24 | 씨제이헬스케어 주식회사 | 신규한 다베포에틴 알파의 정제 방법 |
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