KR20200034663A - 세포 배양을 위한 하이드로겔 및 생체의학 적용 - Google Patents
세포 배양을 위한 하이드로겔 및 생체의학 적용 Download PDFInfo
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- KR20200034663A KR20200034663A KR1020197033172A KR20197033172A KR20200034663A KR 20200034663 A KR20200034663 A KR 20200034663A KR 1020197033172 A KR1020197033172 A KR 1020197033172A KR 20197033172 A KR20197033172 A KR 20197033172A KR 20200034663 A KR20200034663 A KR 20200034663A
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- Prior art keywords
- hydrogel
- solution
- gellan gum
- composition
- gel
- Prior art date
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Images
Classifications
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Abstract
Description
도 2는 본 발명의 실시양태의 연질 및 경질 하이드로겔의 형성을 상세하게 나타내는 도면이다.
도 3은 하이드로겔 형성의 유동학 데이터를 상이한 혼합비로 예시하는 그래프이다.
도 4는 본 발명의 실시양태의 하이드로겔에서 베타TC3 세포 및 Ins-1 세포의 3D 세포 배양의 영상을 예시한다.
도 5는 본 발명의 실시양태의 하이드로겔에서 BL5 세포의 2D 세포 배양의 영상을 예시한다.
Claims (40)
- 폴리사카라이드 하이드로겔을 위한 조성물로서,
하나 이상의 수용성 고 아실 젤란 검 중합체;
하나 이상의 수용성 저 아실 젤란 검 중합체; 및
하나 이상의 수용성 화학적으로 변형된 젤란 검 중합체 또는 하나 이상의 펩티드 변형된 젤란 검 중합체
를 포함하는, 조성물. - 제1항에 있어서, 형성된 상기 폴리사카라이드 하이드로겔이 주입 용도에 적합한 연질 겔인, 조성물.
- 제2항에 있어서, 상기 폴리사카라이드 하이드로겔이 전단력에 의해 액체 상태로 전환되거나, 또는 전단력이 중단되면 그의 하이드로겔 상태로 회복하는 것을 허용함으로써, 상기 연질 겔이 전단 박하 및 자기 치유 유동학 특성을 나타내는, 조성물.
- 제3항에 있어서, 상기 전단력이 피펫팅, 주사기 주입, 또는 펌프 관류 또는 그의 조합에 의해 가해지는, 조성물.
- 제1항에 있어서, 형성된 상기 폴리사카라이드 하이드로겔이 경질 겔인, 조성물.
- 제5항에 있어서, 상기 경질 겔이 유동학 특성학 갖는 3-D 겔 구조를 나타내어 상기 경질 겔이 피펫팅 또는 전단에 의해 파괴될 때, 상기 경질 겔이 더 작은 겔 입자로 부서지고, 하나 이상의 생체활성 분자에 대한 친화성을 갖도록 하는, 조성물.
- 제5항에 있어서, 상기 경질 겔이 약 10 Pa 초과의 저장 모듈러스 값을 갖는, 조성물.
- 제5항에 있어서, 상기 경질 겔이 그의 겔 형성을 약 80℃ 이하의 온도에서 유지하지만, 외력으로 흐트러뜨렸을 때 더 작은 겔 입자로 부서질 수 있는, 조성물.
- 제1항에 있어서, 상기 하나 이상의 화학적으로 변형된 젤란 검 중합체가 하기로 이루어진 군으로부터 선택되는, 조성물:
a) 천연 또는 합성 기원의 중합체, 화학적으로 변형된 또는 공중합체, 히알루로네이트, 키토산, 콜라겐, 폴리에틸렌글리콜 항응고제, 조영제, 화학치료제, 및 신호전달 경로 분자로 이루어진 군으로부터 선택된 유기 분자; 및
b) 생체활성 유리, 하이드록시아파타이트, 칼슘 포스페이트 및 철로 이루어진 군으로부터 선택된 무기 분자. - 제6항에 있어서, 가열 전에 상기 젤란 검 용액 내에 첨가된 상기 하나 이상의 생체활성 분자가 세포, 펩티드, 단백질, 지질, 폴리사카라이드, 성장 인자, 성장 호르몬, 항체, 효소, 세포 수용체, 세포 리간드, 항생제, 항균제, 항진균제, 항곰팡이제, RGD, IKVAV, REDV, YIGSRY, 폴리 리신을 포함하는 NH2, COOH 및 CONH2 기를 갖는 기능성 펩티드 분자로 이루어진 군으로부터 선택되는, 조성물.
- 제2항에 있어서, 상기 연질 겔을 여분의 포스페이트 완충액, 세포 배양 배지, 또는 이온성 용액의 수용액, 또는 그의 조합에 침지함으로써 상기 연질 겔이 경질 겔로 전환되는, 조성물.
- 제1항에 있어서, 하나 이상의 생체활성 분자가 그의 생체활성을 유지하면서 폴리사카라이드 하이드로겔 시스템과 접촉하거나, 그에 부착되거나, 현탁되거나, 매립되거나 또는 포획되는, 조성물.
- 제12항에 있어서, 상기 하나 이상의 생체활성 분자가 그의 생체활성을 유지하면서 상기 폴리사카라이드 하이드로겔에 현탁되거나 또는 포획되는, 조성물.
- 제5항에 있어서, 상기 하나 이상의 생체활성 분자가 하나 이상의 생체활성 분자의 생체활성을 유지하면서 상기 폴리사카라이드 하이드로겔과 접촉하거나 그에 부착되거나, 현탁되거나, 매립되거나 또는 포획되는, 조성물.
- 제14항에 있어서, 상기 하나 이상의 생체활성 분자가 하나 이상의 생체활성 분자의 생체활성을 유지하면서 폴리사카라이드 하이드로겔에 현탁되거나 또는 포획되는, 조성물.
- 제1항에 있어서, 펩티드에 의해 변형된 젤란 검의 용액이 펩티드를 상기 젤란 검 용액 내에 혼합물로서 첨가하고 이어서 약 100℃ 이상의 온도 및 약 1 내지 약 40 psi의 압력에서 약 3 내지 약 30분의 기간 동안 가열함으로써 형성되는, 조성물.
- 제1항에 있어서, 약 0.001% 내지 약 20%의 상기 하나 이상의 고 아실 젤란 검 중합체, 약 0.001% 내지 약 20%의 상기 하나 이상의 저 아실 젤란 검 중합체, 약 0.001% 내지 약 20%의 상기 하나 이상의 변형된 젤란 검 중합체를 포함하고, 약 0.00001% 내지 약 30%의 상기 하나 이상의 생체활성 분자를 추가로 포함하는, 조성물.
- 제17항에 있어서, 약 10 Pa의 저장 모듈러스 값을 갖는, 조성물.
- 제1항에 있어서, 약 0.01% 내지 약 10%의 상기 하나 이상의 고 아실 젤란 검 중합체, 약 0.01% 내지 약 10%의 상기 하나 이상의 저 아실 젤란 검 중합체, 약 0.01% 내지 약 10%의 상기 하나 이상의 변형된 젤란 검 중합체를 포함하고, 약 0.001% 내지 약 20%의 상기 하나 이상의 생체활성 분자를 추가로 포함하는, 조성물.
- 제20항에 있어서, 약 10 내지 약 20000 Pa의 저장 모듈러스 값을 갖는, 조성물.
- 제1항에 따른 폴리사카라이드 하이드로겔을 형성하는 방법으로, 하기 단계를 포함하는, 방법:
수용성 젤란 검 중합체를 약 4℃ 내지 약 99℃의 온도에서 0.001 % w/v 초과의 고체 함량을 갖는 수계 용매에 용해시키는 단계;
상기 용액을 약 100℃ 이상의 온도 및 약 1 psi 초과의 압력에서 3분 이상 동안 가열하는 단계; 및
포스페이트 완충 용액(PBS), 세포 배양 배지 또는 이온성 용액을 직접 혼합하여 폴리사카라이드 하이드로겔 형성을 촉발시킴으로써 약 4℃ 내지 약 60℃ 범위의 온도에서 망상화하며, 여기서 폴리사카라이드 하이드로겔의 저장 모듈러스(G')는 혼합 시 증가하고 30분 이내에 약 10 Pa를 초과하여 상기 시스템이 3D 성장을 위해 그의 하이드로겔 매트릭스 내에서 현탁된 생체활성 분자를 유지할 수 있도록 하는 단계; 및
화학물질 또는 생체활성 분자를 첨가하여 화학물질 또는 생체활성 분자가 형성된 폴리사카라이드 하이드로겔과 접촉하거나, 그에 부착되거나, 현탁되거나, 매립되거나 또는 포획되도록 하는 단계. - 제21항에 있어서, 상기 수계 용매가 물, 포스페이트 완충 용액(PBS), 식염수, 및 세포 배양 배지를 포함하는, 방법.
- 제21항에 있어서, 상기 고체 함량이 약 0.001%(w/v) 내지 10%(w/v)의 양으로 사용되는, 방법.
- 제21항에 있어서, 상기 용액 및 약 0.01%(w/v) 초과의 이온 농도의 촉발 용액을 약 100:1 내지 약 1:1의 비로 혼합할 때 연질 하이드로겔이 형성되는, 방법.
- 제21항에 있어서, 상기 용액 및 약 0.01%(w/v)의 고 이온 농도의 촉발 용액을 약 1:1 내지 약 1:100의 비로 혼합할 때 경질 하이드로겔이 형성되는, 방법.
- 제21항에 있어서, 상기 용액 및 약 0.01 %(w/v)의 정상 이온 농도의 촉발 용액을 약 1:1 내지 약 1:20의 비로 혼합할 때 경질 하이드로겔이 형성되는, 방법.
- 제21항에 있어서, 용액을 망상화 전에 약 100℃ 내지 약 132℃, 바람직하게는 약 100℃ 내지 약 121℃의 온도로 가열하는, 방법.
- 제21항에 있어서, 용액을 망상화 전에 약 1 psi 내지 약 25 psi의 압력 하에 가열하는, 방법.
- 제21항에 있어서, 용액을 망상화 전에 약 1 psi 내지 약 15 psi의 압력 하에 가열하는, 방법.
- 제21항에 있어서, 용액을 망상화 전에 약 1분 내지 약 30분 동안 가열하는, 방법.
- 제21항에 있어서, 용액을 망상화 전에 약 5분 내지 약 20분 동안 가열하는, 방법.
- 제11항에 있어서, 형성된 상기 연질 겔이 세포 배양 배지 또는 이온성 용액의 수용액에 침지됨으로써 경질 겔 시스템으로 전환되는, 조성물.
- 제11항에 따른 방법에 의해 형성되고 상호전환된 하이드로겔 시스템으로서, 상기 생체활성 분자가 상기 젤란 검 용액 또는 촉발 용액과 혼합됨으로써, 하이드로겔 형성 전 또는 후, 하이드로겔과 주위 매질의 교환 전 또는 후 상기 하이드로겔 시스템 내로 첨가될 수 있는, 하이드로겔 시스템.
- 세포 생존력 검정, 라이브/데드 검정, 고처리량 스크리닝, 형광 염색 및 영상화, 조직학적 분석, 및 3D 바이오프린팅을 포함한, 신약 개발 및 생체의학 적용을 위한 다목적 플랫폼으로서, 제1항에 따른 조성물로부터 유래된 폴리사카라이드 하이드로겔의 용도.
- 제34항에 있어서, 살아있는 세포가 상기 하이드로겔 위에서 성장되거나, 그에 매립되거나 캡슐화되고, 상기 하이드로겔을 파괴하고 상기 하이드로겔을 탈이온수 또는 저 이온 농도 용액으로 용해시킴으로써 하이드로겔 시스템으로부터 수확되는, 용도.
- 제34항에 있어서, 하기를 포함하는, 하이드로겔에서 시험관내 3D 세포 배양을 위해 2-단계 절차가 제공되는 용도:
1) 살아있는 세포는 하이드로겔 형성 전에 젤란 검 용액 또는 세포 배양 배지와 같은 촉발 용액과 혼합되며, 여기서 세포는 연질 하이드로겔에 균일하게 현탁되고 피펫팅 또는 주입에 의해 개별 세포 배양 플레이트 또는 상이한 용기로 옮길 준비가 되는 것; 및
2) 연질 겔이 최종 용기에 배치되면, 여분의 촉발 용액이 연질 겔 위 또는 주위에 첨가되어 경질 하이드로겔로 전환되며, 여기서 3D 매트릭스 구조는 추가로 안정화되고, 영양소 또는 다른 생체분자는 하이드로겔 내로 첨가되어 하이드로겔과 주위 매질 사이에서 교환되는 것. - 제34항에 있어서, 상기 연질 하이드로겔을 배양 플레이트의 표면에 직접 첨가하여 세포 배양 플레이트를 코팅하고, 이어서 살아있는 세포를 하이드로겔 위에 첨가하여 2D에서 성장할 수 있고, 일부 세포는 위에서 하이드로겔 내로 침투하여 3D 구조로 성장할 수 있는, 2D 하이드로겔 코팅 세포 배양 연구를 위한 용도.
- 제21항에 있어서, 하기 단계를 추가로 포함하는, 방법:
나트륨 시트레이트를 젤란 검 중합체 용액을 형성하는 상기 수용성 젤란 검 중합체에 첨가하는 단계; 및
상기 젤란 검 중합체 용액의 pH를 중성 pH로 조정하는 단계. - 제24항에 있어서, 상기 연질 하이드로겔이 주입에 적합한 섬유 구조를 포함하는, 방법.
- 제25항에 있어서, 상기 경질 하이드로겔이 응집 구조를 포함하는, 방법.
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