KR102167247B1 - 조직 이식편의 세포제거 방법 - Google Patents
조직 이식편의 세포제거 방법 Download PDFInfo
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- KR102167247B1 KR102167247B1 KR1020157028784A KR20157028784A KR102167247B1 KR 102167247 B1 KR102167247 B1 KR 102167247B1 KR 1020157028784 A KR1020157028784 A KR 1020157028784A KR 20157028784 A KR20157028784 A KR 20157028784A KR 102167247 B1 KR102167247 B1 KR 102167247B1
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Abstract
Description
도 2는 토끼 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 토끼 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 토끼 신경 조직(DC3; 패널 C)의 훽스트(Hoechst) 염색이다.
도 3은 토끼 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 토끼 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 토끼 신경 조직(DC3; 패널 C)의 S-100 면역염색이다.
도 4는 토끼 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 토끼 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 토끼 신경 조직(DC3; 패널 C)의 수단 블랙 염색이다.
도 5는 토끼 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 토끼 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 토끼 신경 조직(DC3; 패널 C)의 NAP-4 신경섬유 염색이다.
도 6은 토끼 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 토끼 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 토끼 신경 조직(DC3; 패널 C)의 라미닌 면역염색이다.
도 7은 인간 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 인간 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 인간 신경 조직(DC3; 패널 C)의 헤마톡실린 및 에오신 염색이다.
도 8은 인간 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 인간 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 인간 신경 조직(DC3; 패널 C)의 훽스트 염색이다.
도 9는 인간 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 인간 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 인간 신경 조직(DC3; 패널 C)의 S-100 면역염색이다.
도 10은 인간 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 인간 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 인간 신경 조직(DC3; 패널 C)의 수단 블랙 염색이다.
도 11은 인간 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 인간 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 인간 신경 조직(DC3; 패널 C)의 NAP-4 신경섬유 면역염색이다.
도 12는 인간 신경 조직(대조용; 패널 A), 허드슨 등에 의해 교시된 공정에 따라 처리된 인간 신경 조직(DC2; 패널 B), 및 본 발명의 방법에 따라 처리된 인간 신경 조직(DC3; 패널 C)의 라미닌 면역염색이다.
도 13a는 (A) 완충제 단독 및 (B) 허드슨 등에 의해 개시된 세포제거 세제(설포베타인-10, 설포베타인-16 및 트리톤 X-200(상표))에 의해 세포제거된 래트 신경 이식편의 저온배양(cryoculture) 분석이다. 신경을 종방향 축으로 저온절제하고 커버슬립상에 올려놓았다. 분리된 뉴런들을 상기 조직편상에 시딩하고 24시간 동안 배양하였다. 이어서 상기 저온배양물을 고정시키고 시험 뉴런을 면역염색하였다. 광범위한 축색 돌기 성장이 완충제 단독 조건에서 관찰된 반면, 상기 신경 이식편의 성장-촉진 활성은 상기 엄격한 세포제거 세제에 의해 실질적으로 제거되었다.
도 13b는 신경 이식편의 신경돌기-촉진 활성에 대한 트리톤 X-200(상표)의 영향이다. 신경 이식편 샘플을 트리톤 X-200(상표)의 존재 및 부재하에서 허드슨 등의 방법에 의해 세포제거하였다. 신경을 종방향 축으로 저온절제하고 커버슬립상에 올려놓았다. 분리된 뉴런들을 상기 조직편상에 시딩하고 24시간 동안 배양하였다. 신경돌기 길이를 디지털 상 분석에 의해 채점하였다. 데이터는 2개의 별도의 실험에서 4개의 조직편으로부터의 500개 초과의 축색 돌기의 평균(±SE) 점수를 나타낸다.
도 14는 정제된 라미닌의 신경돌기-촉진 활성에 대한 개별적인 세제의 영향이다. 정제된 라미닌-1을 하기와 같은 개별적인 세제들과 혼합하였다: 대조용(완충제 단독), 설포베타인-10(125 mM), 설포베타인-16(0.6 mM) 및 트리톤 X-200(0.14%). 상기 혼합물을 광범위하게 투석시키고 이어서 조직 배양 웰에 가하여 분리된 뉴런들이 시딩된 기층을 형성시켰다. 24시간 배양 후에, 신경돌기의 길이를 측정하였다. 데이터는 4개의 별도의 실험에서 중복하여 수행된 일련의 희석으로부터의 평균 점수로부터 계산된 비활성(ED50)을 나타낸다.
도 15는 토끼 신경 동종이식편 모델에서 성공적인 신경 재생을 나타낸다. 토끼의 비골신경 중의 0.5 ㎝ 틈이 본 발명의 방법에 의해 처리된 1.2 ㎝ 신경 이식편으로 복원되었다. 4주 후에 상기 이식편을 검사하였다. A) 헤마톡실린 및 에오신 염색은 수용자 신경으로의 탁월한 이식편 통합성 및 혼입을 나타내었다. 혈관재생 및 세포 침윤이 상기 이식편내에서 분명하다. 염증 또는 이식편 거부의 징후는 24마리의 수용자 중 누구에게서도 발견되지 않았다. B) β-튜불린 III 면역표지화(축색 돌기에 특이적임)는 상기 이식편 전체를 통해 풍부한 축색 돌기 재생을 나타내었다. C) S100 면역표지화는 풍부한 수용자 조직 슈반 세포가 재성장하는 축색 돌기와 밀접하게 결합된 이식편을 침윤하였음을 나타내었으며, 이는 기능 신경 재생을 가리킨다.
도 16은 매우 긴 신경 동종이식편을 통한 성공적인 재생을 나타낸다. 토끼의 비골신경 중의 5 ㎝ 틈이 본 발명의 방법에 의해 처리된 7 ㎝ 신경 이식편으로 복원되었다. 26주 후에 상기 이식편을 검사하였다. A) 헤마톡실린 및 에오신 염색은 수용자 신경으로의 탁월한 이식편 통합성 및 혼입을 나타내었다. 혈관재생 및 세포 침윤이 상기 이식편내에서 분명하다. 염증 또는 이식편 거부의 징후는 10마리의 수용자 중 누구에게서도 발견되지 않았다. B) NAP-4 신경섬유 면역표지화(축색 돌기에 특이적임)는 상기 이식편 전체를 통해 풍부한 축색 돌기 재생을 나타내었다. C) S100 면역표지화는 풍부한 수용자 조직 슈반 세포가 재성장하는 축색 돌기와 밀접하게 결합된 이식편을 침윤하였음을 나타내었으며, 이는 기능 신경 재생을 가리킨다. D) 풍부한 신경섬유 면역양성 축색 돌기가 상기 이식편에 대해 원위의 수용자 신경에서 발견되었으며, 이는 신경 재생이 상기 7 ㎝ 이식편을 성공적으로 횡단하였고 표적 조직에 대해 원위에서 진행되었음을 가리킨다.
Claims (20)
- 조직 이식편의 세포제거 방법으로서,
방법이, 조직 이식편을 상기 조직 중의 세포를 파괴하기에 충분한 농도에서 및 충분한 접촉시간 동안 양쪽성 세제를 포함하는 추출 조성물과 접촉시킴을 포함하고,
상기 조직은 신경 이식편이고, 상기 이식편은 음이온성 세제의 부재하에서 설포베타인-10(SB-10) 및/또는 설포베타인-16(SB-16)과 접촉되고,
상기 조직은 토끼 또는 인간 신경 조직인,
방법. - 제 1 항에 있어서,
세포제거 후에 세포외 기질 구조가 보존되고, 세포외 기질 구조의 보존된 상태가 음이온성 세제를 포함하는 방법에 의해 세포제거된 경우와 동등하거나 이보다 더 양호한 방법. - 제 1 항에 있어서,
음이온성 세제를 조직에 적용하지 않는 방법. - 제 1 항에 있어서,
트리톤(Triton) X-200(상표)을 조직에 적용하지 않는 방법. - 삭제
- 제 1 항에 있어서,
조직 이식편을 SB-10으로 이루어지는 세제 성분을 갖는 제 1 추출 조성물과 접촉시키고, 상기 조직 이식편을 또한 SB-16으로 이루어지는 세제 성분을 갖는 제 2 추출 조성물과 접촉시키는 방법. - 제 1 항에 있어서,
양쪽성 세제의 농도가 임계 미셀 농도 이상인 방법. - 제 1 항에 있어서,
추출 조성물이 생리학적 염도 이상의 염도를 갖는 방법. - 제 1 항에 있어서,
조직을 생리학적 염도 미만의 염도를 갖는 용액과 접촉시킴을 포함하는 하나 이상의 세정 단계를 추가로 포함하는 방법. - 제 9 항에 있어서,
세정 용액이 염도를 갖지 않는 방법. - 제 1 항에 있어서,
조직으로부터 비-구조 파편을 물리적으로 제거함을 추가로 포함하는 방법. - 제 1 항에 있어서,
세포제거 공정 전 또는 후에 조직 이식편을 동결시킴을 추가로 포함하는 방법. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
조직 이식편에 하나 이상의 생물활성 분자 또는 세포를 도입시킴을 추가로 포함하는 방법. - 제 1 항에 있어서,
조직 이식편의 신경돌기-촉진 활성이 완충제 세척만으로 처리된 신경에 비해 세포제거 후에 유지되는 방법. - 제 1 항에 있어서,
세포제거 후에 조직 이식편의 신경돌기-촉진 활성이 보존되고, 보존된 조직 이식편의 신경돌기-촉진 활성이 음이온성 세제를 포함하는 방법에 의해 세포제거된 경우와 동등하거나 이보다 더 양호한 방법. - 제 1 항의 방법에 의해 제조된 조직 이식편.
- 제 19 항의 조직 이식편을 포함하는 키트.
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KR1020207029107A KR102324450B1 (ko) | 2013-03-15 | 2014-03-17 | 조직 이식편의 세포제거 방법 |
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PCT/US2014/030688 WO2014145854A1 (en) | 2013-03-15 | 2014-03-17 | Method for decellularization of tissue grafts |
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CN (1) | CN105188787A (ko) |
CL (1) | CL2015002754A1 (ko) |
DK (1) | DK2968673T3 (ko) |
ES (1) | ES2881079T3 (ko) |
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AU2014296259B2 (en) | 2013-07-30 | 2017-04-27 | Musculoskeletal Transplant Foundation | Acellular soft tissue-derived matrices and methods for preparing same |
CA3177726A1 (en) | 2015-05-21 | 2016-11-24 | Musculoskeletal Transplant Foundation | Modified demineralized cortical bone fibers |
US11513039B2 (en) | 2015-05-28 | 2022-11-29 | Axogen Corporation | Nerve culture system |
US11156595B2 (en) | 2015-05-28 | 2021-10-26 | Axogen Corporation | Organotypic DRG-peripheral nerve culture system |
US10912864B2 (en) | 2015-07-24 | 2021-02-09 | Musculoskeletal Transplant Foundation | Acellular soft tissue-derived matrices and methods for preparing same |
US11052175B2 (en) | 2015-08-19 | 2021-07-06 | Musculoskeletal Transplant Foundation | Cartilage-derived implants and methods of making and using same |
US9955126B2 (en) * | 2015-08-19 | 2018-04-24 | Rapsodo Pte. Ltd. | Systems and methods of analyzing moving objects |
USD856517S1 (en) | 2016-06-03 | 2019-08-13 | Musculoskeletal Transplant Foundation | Asymmetric tissue graft |
US10945831B2 (en) | 2016-06-03 | 2021-03-16 | Musculoskeletal Transplant Foundation | Asymmetric tissue graft |
CN105920671B (zh) * | 2016-06-22 | 2020-02-11 | 浙江元太生物科技有限公司 | 神经移植物的制备方法及其产品 |
KR101866249B1 (ko) * | 2016-11-29 | 2018-06-12 | 박순현 | 생체 조직 투명화용 조성물 및 이를 이용한 생체 조직 투명화 방법 |
US20210181085A1 (en) * | 2017-10-26 | 2021-06-17 | Essenlix Corporation | Rapid measurement of platelets |
WO2019180568A1 (en) * | 2018-03-17 | 2019-09-26 | Indian Institute Of Technology Hyderabad | Decellularized corneal matrix based hydrogel, bioink formulation and methods thereof |
USD895812S1 (en) | 2018-09-07 | 2020-09-08 | Musculoskeletal Transplant Foundation | Soft tissue repair graft |
US10813743B2 (en) | 2018-09-07 | 2020-10-27 | Musculoskeletal Transplant Foundation | Soft tissue repair grafts and processes for preparing and using same |
AU2018449641B2 (en) * | 2018-11-15 | 2023-11-30 | Axogen Corporation | Materials and methods for nerve repair with animal-sourced nerve grafts |
AU2020291919B2 (en) | 2019-06-11 | 2025-05-29 | Axogen Corporation | Wet preservation of tissue |
WO2021011944A2 (en) * | 2019-07-18 | 2021-01-21 | Essenlix Corporation | Imaging based homogeneous assay |
JP2021027803A (ja) * | 2019-08-09 | 2021-02-25 | 国立研究開発法人国立長寿医療研究センター | 象牙質再生用細胞培養物 |
US20230041245A1 (en) * | 2020-12-21 | 2023-02-09 | L&C Bio Co., Ltd. | Decellularized Nerve Graft and Method of Manufacturing the Same |
WO2023122160A1 (en) | 2021-12-22 | 2023-06-29 | Axogen Corporation | Nerve grafts containing regenerative compounds, methods of making the same, and methods of treatment using the same |
WO2023122379A1 (en) | 2021-12-22 | 2023-06-29 | Axogen Corporation | Tissue preservation solution, tissue preservation system, and methods of preserving tissue |
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- 2014-03-17 EP EP14763757.3A patent/EP2968673B1/en active Active
- 2014-03-17 WO PCT/US2014/030688 patent/WO2014145854A1/en active Application Filing
- 2014-03-17 CN CN201480026804.7A patent/CN105188787A/zh active Pending
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- 2014-03-17 JP JP2016503443A patent/JP6480911B2/ja active Active
- 2014-03-17 HK HK16107324.4A patent/HK1219241A1/zh unknown
- 2014-03-17 US US14/776,765 patent/US9572911B2/en active Active
- 2014-03-17 KR KR1020157028784A patent/KR102167247B1/ko active Active
- 2014-03-17 KR KR1020207029107A patent/KR102324450B1/ko active Active
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2015
- 2015-09-15 CL CL2015002754A patent/CL2015002754A1/es unknown
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JP2012516699A (ja) * | 2009-02-04 | 2012-07-26 | イエール ユニバーシティ | 肺臓の組織工学 |
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HK1219241A1 (zh) | 2017-03-31 |
EP2968673B1 (en) | 2021-06-02 |
EP2968673A4 (en) | 2016-11-02 |
EP3928806A1 (en) | 2021-12-29 |
JP6480911B2 (ja) | 2019-03-13 |
ES2881079T3 (es) | 2021-11-26 |
US20170128624A1 (en) | 2017-05-11 |
CN105188787A (zh) | 2015-12-23 |
US9572911B2 (en) | 2017-02-21 |
JP2016522000A (ja) | 2016-07-28 |
WO2014145854A1 (en) | 2014-09-18 |
KR20200119907A (ko) | 2020-10-20 |
CL2015002754A1 (es) | 2016-02-05 |
EP2968673A1 (en) | 2016-01-20 |
DK2968673T3 (da) | 2021-07-12 |
US20160030636A1 (en) | 2016-02-04 |
KR20150127247A (ko) | 2015-11-16 |
KR102324450B1 (ko) | 2021-11-10 |
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