KR101761092B1 - 췌도 세포 이식용 조성물 - Google Patents
췌도 세포 이식용 조성물 Download PDFInfo
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- KR101761092B1 KR101761092B1 KR1020160038084A KR20160038084A KR101761092B1 KR 101761092 B1 KR101761092 B1 KR 101761092B1 KR 1020160038084 A KR1020160038084 A KR 1020160038084A KR 20160038084 A KR20160038084 A KR 20160038084A KR 101761092 B1 KR101761092 B1 KR 101761092B1
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- transplantation
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Abstract
Description
도 2는 글리시리진과 글리콜 키토산의 결합 여부를 FT-IR로 확인한 결과를 나타낸다. 글리시리진, 글리콜 키토산, 산화된 글리시리진, 및 글리시리진이 결합된 글리콜 키토산, 4 그룹에 대하여 FT-IR을 확인하였다.
도 3a 내지 3d는 글리시리진과 글리콜 키토산의 결합상태에서 PEG 결합을 확인한 NMR 결과를 나타낸다. 글리콜 키토산(도 3a), 글리시리진(도 3b), PEG(MAL-PEG-NHS)(도 3c), PEG-글리콜 키토산-글리시리진(도 3d), 4 그룹에 대하여 각각 NMR을 통해 확인하였다.
도 4는 폴리-L-리신 고분자에 대한 글리시리진의 결합 반응 과정의 모식도를 나타낸다.
도 5는 폴리-L-리신에 결합된 글리시리진에 대하여, FT-IR을 통해 결합 생성을 확인한 결과를 나타낸다. 도 5의 (A)는 FT-IR 결과를 나타내고, 도 5의 (B)는 결합 구조식을 나타낸다.
도 6은 글리콜 키토산-oGL의 처리 농도에 따른 세포 생존능을 나타낸다.
도 7은 글리콜 키토산-oGL 처리 농도에 따른 세포 표면 관찰 결과를 나타낸다.
도 8은 PEG를 매개로 췌장소도 세포 표면에 글리콜 키토산-oGL이 결합하였는지 여부를 공초점 이미징에 의해 관찰한 결과를 나타낸다.
도 9는 GSIS를 통한 췌장소도의 인슐린 분비량(좌측 패널)과 인슐린 단백질 분비량에 따른 SI 값 비교(우측 패널) 결과를 나타낸다.
도 10은 SPR(surface plasmon resonance)을 통한 HMGB1에 대한 결합 친화도 확인 결과를 나타낸다. 글리시리진, 글리콜 키토산, HMGB1 Ab, 클리콜 키토산-oGL 그룹으로 나누어 HMGB1에 대한 결합 친화도를 측정하였다.
도 11은 마우스에 대한 췌장소도 이식에 따른 혈당 변화 실험 결과를 나타낸다.
도 12는 글리시리진을 처리한 췌도세포를 당뇨병 질환 동물 모델에 이식 후 혈당 변화를 관찰한 결과를 나타낸다.
Claims (18)
- (a) 생체적합성 고분자 백본 및 (b) 상기 생체적합성 고분자 백본에 결합된 글리시리진을 포함하는 췌도 세포 이식용 조성물.
- 제 1 항에 있어서, 상기 글리시리진은 산화된(oxidized) 형태의 글리시리진인 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 생체적합성 고분자 백본은 알데하이드 그룹과 화학 결합을 형성할 수 있는 기능기를 포함하는 것을 특징으로 하는 조성물.
- 제 3 항에 있어서, 상기 기능기는 아민 그룹, 카복실 그룹, 티올 그룹, 또는 히드록사이드 그룹인 것을 특징으로 하는 조성물.
- 제 4 항에 있어서, 상기 기능기는 아민 그룹인 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 생체적합성 고분자 백본은 글리콜 키토산, 폴리-L-리신, 폴리(4-비닐피리딘/디비닐벤젠), 키틴, 폴리(부타디엔/아크릴로니트릴) 아민 말단, 폴리에틸렌이민, 폴리아닐린, 폴리(에틸렌글리콜)비스(2-아미노에틸), 폴리(N-비닐피롤리돈), 폴리(비닐아민)하이드로클로라이드, 폴리(2-비닐피리딘), 폴리(2-비닐피리딘 N-옥사이드), 폴리-ε-Cbz-L-리신, 폴리(2-디메틸아미노에틸 메타크릴레이트), 폴리(알릴 아민), 폴리(알릴아민 하이드로클로라이드), 폴리(N-메틸비닐아민), 폴리(디알릴디메틸암모늄클로라이드), 폴리(N-비닐피롤리돈), 키토산, 또는 폴리(4-아미노스티렌)으로부터 선택되는 것을 특징으로 하는 조성물.
- 공여자(donor)로부터 분리된 상태의 췌도 세포에, 제 1 항 내지 제 6 항 중 어느 한 항에 따른 췌도 세포 이식용 조성물을 처리하여, 글리시리진이 결합된 생체 적합성 고분자 백본을 상기 췌도 세포 표면에 결합시키는 단계를 포함하는 이식용 췌도 세포 제조 방법.
- 제 7 항에 있어서, 상기 췌도 세포는 페길레이션 된(PEGylated) 것인 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 상기 페길레이션은 헤테로 이중 기능성(heterobifunctional) PEG를 이용하여 수행된 것인 것을 특징으로 하는 방법.
- 제 9 항에 있어서, 상기 헤테로 이중 기능성 PEG는 일 말단에 말레이미드 치환기를 포함하고, 다른 일 말단에 NHS 에스테르 또는 카복실산 치환기를 포함하는 것인 것을 특징으로 하는 방법.
- 다음을 포함하는 이식용 췌도 세포 조성물:
(a) 공여자(donor)로부터 분리된 췌도 세포;
(b) 링커로서의 이중 기능성 PEG; 및
(c) (i) 생체적합성 고분자 백본 및 (ii) 상기 생체적합성 고분자 백본에 결합된 글리시리진; 상기 생체적합성 고분자 백본은 상기 링커를 매개로 상기 췌도 세포에 결합된다.
- 제 11 항에 있어서, 상기 글리시리진은 산화된(oxidized) 형태의 글리시리진인 것을 특징으로 하는 조성물.
- 제 11 항에 있어서, 상기 생체적합성 고분자 백본은 글리콜 키토산, 폴리-L-리신, 폴리(4-비닐피리딘/디비닐벤젠), 키틴, 폴리(부타디엔/아크릴로니트릴) 아민 말단, 폴리에틸렌이민, 폴리아닐린, 폴리(에틸렌글리콜)비스(2-아미노에틸), 폴리(N-비닐피롤리돈), 폴리(비닐아민)하이드로클로라이드, 폴리(2-비닐피리딘), 폴리(2-비닐피리딘 N-옥사이드), 폴리-ε-Cbz-L-리신, 폴리(2-디메틸아미노에틸 메타크릴레이트), 폴리(알릴 아민), 폴리(알릴아민 하이드로클로라이드), 폴리(N-메틸비닐아민), 폴리(디알릴디메틸암모늄클로라이드), 폴리(N-비닐피롤리돈), 키토산, 또는 폴리(4-아미노스티렌)으로부터 선택되는 것을 특징으로 하는 조성물.
- 제 11 항에 있어서, 상기 이중 기능성 PEG는 헤테로 이중 기능성(heterobifunctional) PEG 인 것을 특징으로 하는 조성물.
- 제 14 항에 있어서, 상기 헤테로 이중 기능성 PEG는 일 말단에 말레이미드 치환기를 포함하고, 다른 일 말단에 NHS 에스테르 또는 카복실산 치환기를 포함하는 것인 것을 특징으로 하는 조성물.
- 제 11 항 내지 제 15 항 중 어느 한 항에 따른 조성물을 포함하는 췌도세포-결함(islet cell-deficiency) 질환 개선, 예방 또는 치료용 약제학적 조성물.
- 제 16 항에 있어서, 상기 췌도세포-결함 질환은 제1형 당뇨병, 제2형 당뇨병, 및 당뇨병성 만성 신질환으로 구성된 군으로부터 선택되는 질환인 것을 특징으로 하는 조성물.
- 제 17 항에 있어서, 상기 췌도세포-결함 질환은 제1형 당뇨병인 것을 특징으로 하는 조성물.
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