KR20170001720A - 바이러스 유사 입자 정제 - Google Patents
바이러스 유사 입자 정제 Download PDFInfo
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- KR20170001720A KR20170001720A KR1020167036031A KR20167036031A KR20170001720A KR 20170001720 A KR20170001720 A KR 20170001720A KR 1020167036031 A KR1020167036031 A KR 1020167036031A KR 20167036031 A KR20167036031 A KR 20167036031A KR 20170001720 A KR20170001720 A KR 20170001720A
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- Prior art keywords
- vlps
- chromatography
- chromatographic
- vlp
- hydroxyapatite
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Abstract
Description
도 2는 수산화인회석 크로마토그래피 컬럼 분획물의 SDS-PAGE 겔/쿠마시 염색이다.
도 3은 HIC 크로마토그래피 컬럼 분획물의 SDS-PAGE 겔/쿠마시 염색이다.
도 4는 DEAE 크로마토그래피 컬럼 분획물의 SDS-PAGE 겔/쿠마시 염색이다.
도 5는 투석여과 분획물의 SDS-PAGE 겔/쿠마시 염색이다.
도 6은 크로마토그래피로 정제된 놀워크 바이러스 VLPs의 투과 현미경 미세그리프의 이미지이다.
도 7은 초원심분리로 정제된 놀워크 바이러스 VLPs의 투과 현미경 미세그리프의 이미지이다. 이런 입자들은 크기가 34 내지 38nM이다.
도 8은 pH의 함수로서 10℃(점선) 및 90℃(굵은 선)에서 컬럼 정제 VLPs의 CD 스펙트럼을 나타내는 그래프이다.
도 9는 온도와 pH의 함수로서 205nm에서 관찰된 컬럼 정제 VLPs의 CD 신호를 나타내는 그래프이다.
도 10은 온도와 pH의 함수로서 222nm에서 관찰된 컬럼 정제 VLPs의 CD 신호를 나타내는 그래프이다.
도 11은 초원심분리로 정제된 VLPs의 pH의 함수로서 10℃(점선) 및 90℃(굵은 선)에서 CD 스펙트럼을 나타내는 그래프이다.
도 12는 초원심분리에 의해 정제된 VLPs의 온도와 pH의 함수로서 205nm에서 CD 스펙트럼을 나타내는 그래프이다.
도 13은 초원심분리에 의해 정제된 VLPs의 온도와 pH의 함수로서 222nm에서 CD 스펙트럼을 나타내는 그래프이다.
도 14는 휴스톤 바이러스 VLPs를 위해 사용된 양이온 교환 정제 단계에 의한 크로마토그램이다.
도 15는 휴스톤 바이러스 VLPs의 양이온 교환 분획물의 SDS-PAGE 겔/쿠마시 염색이다.
도 16은 휴스톤 바이러스 VLPs를 위해 사용된 메틸 HIC 크로마토그래피 정제 단계에 의한 크로마토그램이다.
도 17은 휴스톤 바이러스 VLPs의 메틸 HIC 분획물의 SDS-PAGE 겔/쿠마시 염색이다.
도 18은 정제된 휴스톤 바이러스 단백질의 SDS-PAGE 겔/쿠마시 염색이다.
도 19는 정제된 휴스톤 바이러스 단백질의 HPLC-SEC 크로마토그램이다.
도 20은 20% 황산암모늄 침전화에 의한 휴스톤 VLP 제제의 정제를 나타내는 은 염색 SDS-PAGE 겔이다. "Amm 현탁액"은 최초 황산암모늄 현탁액이다. "Amm 상청액"은 황산암모늄 현탁액이 원심분리될 때 생기는 상청액이다. "시트르산염 상청액"은 용해된 침전 물질이다. 비-침전된 오염 물질의 양을 강조하는 "amm 상청액" 레인이 중요하다.
도 21은 최초 휴스톤 VLP 제제의 성분들과 침전되고 재용해된 황산암모늄 물질을 비교하는 그래프이다. VLP에 대한 숙주 세포 단백질 백분율(HCP/VLP%) 감소에 의해 20% 황산암모늄 제제에서 순도의 현저한 개선을 나타낸다.
도 22는 침전화 및 뒤이어 음이온 교환 크로마토그래피에 의한 휴스톤 VLPs의 정제 공정을 나타내는 은 염색 SDS-PAGE 겔이다. 레인 2와 레인 5 및 6을 비교하여 나타낸 것과 같이, pH 조절에 의한 VLP 침전화는 순도를 증가시킨다. 레인 8은 VLPs를 농축하는 컬럼 크로마토그래피의 능력을 나타낸다.
도 23은 침전화 및 뒤이어 음이온 교환 크로마토그래피에 의한 라우렌 VLPs의 정제 공정을 나타내는 쿠마시 염색 SDS-PAGE 겔이다. 레인 5 내지 8 대 레인 11의 비교는 캡쳐 크로마토그래피에 의해 얻은 라우렌 VLP 샘플들의 순도 증가를 나타낸다.
도 24는 다양한 pH 값에서 GI 노로바이러스 VLPs의 SE-HPLC 분석이다. 패널 A. pH 2에서 GI 노로바이러스 VLPs의 SE-HPLC 분석. 약 17분에서 흡수 피크는 손상되지 않은 단분산 VLPs의 용출에 해당한다. 패널 B. pH 8에서 GI 노로바이러스 VLPs의 SE-HPLC 분석. 약 16분에서 흡수 피크는 손상되지 않은 단분산 VLPs의 용출에 해당한다. 패널 C. pH 8.5에서 GI 노로바이러스 VLPs의 SE-HPLC 분석. 약 33분에서 흡수 피크는 VLP의 안정한 중간 단편의 용출에 해당한다. 크로마토그램은 230nm(상부) 및 280nm(하부)에서 흡수 단면도를 나타낸다.
도 25는 다양한 pH 수준에서 GII 노로바이러스 VLPs의 SE-HPLC 분석이다. 패널 A. pH 2에서 GII 노로바이러스 VLPs의 SE-HPLC 분석. 약 17분에서 흡수 피크는 손상되지 않은 단분산 VLPs의 용출에 해당한다. 패널 B. pH 9.5에서 GII 노로바이러스 VLPs의 SE-HPLC 분석. 약 17분에서 흡수 피크는 손상되지 않은 단분산 VLPs의 용출에 해당한다. 패널 C. pH 10에서 GII 노로바이러스 VLPs의 SE-HPLC 분석. 약 34분에서 흡수 피크는 VLP의 안정한 중간 단편의 용출에 해당한다. 크로마토그램은 230nm(상부) 및 280nm(하부)에서 흡수 단면도를 나타낸다.
검사 | 품질 | 결과 |
정체 | a. 49 내지 62 KDa 사이의 SDS-PAGE 단백질 밴드에 의한 분자량 b. 웨스턴 블럿에 의해 탐지된 49 내지 62kDa 단백질에 대해 확인 |
컴파일 컴파일 |
단백질 농도 | 0.5mg/mL 내지 1.5mg/mL | 1.40mg/mL |
순도 | 90% 크기 배제 크로마토그래피 보다 크다 | >99% |
숙주 세포 DNA | <100pg/mL | <100pg/mL |
바큘로스바이러스 DNA | <100pg/mL | >31 & <62pg/mL |
숙주 세포 단백질 | 640EU/mL 미만 | <0.3% |
엔도톡신 | >320 & <640 EU/mL |
|
pH | ≤7.0 | 5.4 |
배양 조건 | MOI = 1 3 x 106cells/mL 7일에 NaCl을 150mM 첨가 상청액을 수집 |
|
정제 프로토콜 |
1단계: 양이온 교환 SP FF 수지 |
평형 버퍼: 2mM 인산 시트르산 pH 6.0 용출 버퍼: 20mM 인산 시트르산, 1M 염화 나트륨 pH 4.0 단계 기울기: 1단계 - 20% 용출 버퍼로 세척; 2단계 - 100% 용출 버퍼로 용출 |
2단계: 메틸 HIC 수지 - 출발 물질은 15% 황산암모늄을 함유한다. | 평형 버퍼: 100mM 인산나트륨, 2.4M 황산암모늄 pH 6.8 용출 버퍼:100mM 인산나트륨 pH 6.8 15%(w/v)까지 황산암모늄의 첨가로 채워진 샘플. 단계 기울기: 1단계 - 40% 용출 버퍼로 세척; 2단계 - 70% 용출 버퍼로 용출; 3단계 - 100% 용출 버퍼로 세척. |
|
3단계: 버퍼로 투석 | 70% 용출 버퍼를 가진 메틸 HIC 크로마토그래피로부터 얻은 용출 피크를 20mM 인산 시트르산 버퍼, 150mM 염화나트륨 속에 pH 6.0으로 투석된다. | |
최종 수율 | 20-30mg 정제 단백질/L |
Claims (13)
- 크로마토그래피 공정을 사용하여 노로바이러스 바이러스 유사 입자(VLPs)를 정제하는 방법으로, 방법은 상기 VLPs를 함유하는 용액을 수산화인회석 크로마토그래피 물질과 접촉시키는 단계를 포함하며, VLPs는 인산염 버퍼를 사용하여 수산화인회석 물질로부터 용출되며, 수산화인회석 물질로부터의 용출 이후 여과 단계를 추가로 포함하는 것인 노로바이러스 바이러스 유사 입자(VLPs)를 정제하는 방법.
- 제 1 항에 있어서,
크로마토그래피 공정이 소수성 상호작용 크로마토그래피(HIC) 단계 및 이온 교환 크로마토그래피 단계를 추가로 포함하는 것인 방법. - 제 2 항에 있어서,
크로마토그래피 공정은
(a) 상기 VLPs를 함유하는 용액을 수산화인회석 크로마토그래피 물질과 접촉시키는 단계;
(b) 인산염 버퍼를 사용하여 수산화인회석 크로마토그래피 물질로부터 상기 VLPs를 용출하는 단계;
(c) 단계(b)로부터의 용출액을 HIC 크로마토그래피 물질과 접촉시키는 단계;
(d) 상기 HIC 크로마토그래피 물질로부터 상기 VLPs를 용출하는 단계;
(e) 단계(d)로부터의 용출액을 이온 교환 크로마토그래피 물질과 접촉시키는 단계; 및
(f) 상기 이온 교환 크로마토그래피 물질로부터 상기 VLPs를 용출하는 단계를 포함하는 것인 방법. - 제 2 항에 있어서,
이온 교환 크로마토그래피 물질은 DEAE 이온 교환 크로마토그래피 물질인 방법. - 제 1 항에 있어서,
여과 단계는 초여과 단계, 정용여과 단계 또는 이들의 조합인 방법. - 제 1 항에 있어서,
노로바이러스 VLPs는 노로바이러스 유전자군 I VLPs인 방법. - 제 1 항에 있어서,
상기 VLPs를 함유하는 용액은 세포 용해물 또는 배지 상청액이며, 세포 용해물 또는 배지 상청액은 재조합 방법을 사용하여 생산되는 것인 방법. - 제 7 항에 있어서,
VLPs는 박테리아 세포, 곤충 세포, 효모 세포 또는 포유류 세포에서 생산되는 것인 방법. - 제 7 항에 있어서,
숙주 세포 DNA 함량의 오염 수준은 100pg/mL 미만인 방법. - 제 7 항에 있어서,
숙주 세포 단백질의 오염 수준은 1중량% 미만인 방법. - 제 10 항에 있어서,
숙주 세포 단백질의 오염 수준은 0.5중량% 미만인 방법. - 제 1 항의 방법에 의해 제조된 VLPs를 포함하는 백신.
- 제 1 항에 있어서,
방법이 황산암모늄 또는 PEG 침전화 단계를 추가로 포함하는 것인 방법.
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JP2010530734A (ja) | 2010-09-16 |
EP2134360A2 (en) | 2009-12-23 |
KR101576219B1 (ko) | 2015-12-10 |
US10792353B2 (en) | 2020-10-06 |
KR20100015562A (ko) | 2010-02-12 |
HUE028605T2 (en) | 2016-12-28 |
US8481693B2 (en) | 2013-07-09 |
JP2017086090A (ja) | 2017-05-25 |
CA2683977A1 (en) | 2008-09-18 |
US20100150961A1 (en) | 2010-06-17 |
ES2559421T3 (es) | 2016-02-12 |
US9359410B2 (en) | 2016-06-07 |
CA2683977C (en) | 2017-04-25 |
SG179488A1 (en) | 2012-04-27 |
JP5284290B2 (ja) | 2013-09-11 |
KR20150098681A (ko) | 2015-08-28 |
PL2134360T3 (pl) | 2016-05-31 |
EP2134360A4 (en) | 2011-08-24 |
DK2134360T3 (en) | 2016-02-22 |
AU2008224877A1 (en) | 2008-09-18 |
US10172930B2 (en) | 2019-01-08 |
JP2013176392A (ja) | 2013-09-09 |
HK1138795A1 (zh) | 2010-09-03 |
AU2008224877B2 (en) | 2013-07-11 |
JP2019068846A (ja) | 2019-05-09 |
US20130344107A1 (en) | 2013-12-26 |
US20190282686A1 (en) | 2019-09-19 |
EP2134360B1 (en) | 2015-11-18 |
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WO2008113011A2 (en) | 2008-09-18 |
US20160317645A1 (en) | 2016-11-03 |
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