KR102150108B1 - 세포시트 제작방법 및 응용을 위한 고분자 박막 배양플레이트 제작방법 및 용도 - Google Patents
세포시트 제작방법 및 응용을 위한 고분자 박막 배양플레이트 제작방법 및 용도 Download PDFInfo
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Abstract
Description
본 발명의 일구현예에 있어서, 본 발명의 배양플레이트의 소재로서 사용되는 플라스틱은 폴리에틸렌(polyethylene, PE), 폴리프로필렌(polypropylene, PP), 폴리스티렌(polystyrene, PS), 폴리에틸렌 테레프탈레이트(polyethylene terephthalate, PET), 폴리아미드(polyamides, PA), 폴리에스터(polyester, PES), 폴리염화비닐(polyvinyl chloride, PVC), 폴리우레탄(polyurethanes, PU), 폴리카보네이트(polycarbonate, PC), 폴리염화비닐리덴(polyvinylidene chloride, PVDC), 폴리테트라플루오르에틸(polytetrafluoroethylene, PTFE), 폴리에트르에테르케톤(polyetheretherrketone, PEEK) 및 폴리에테르이미드(polyetherimide, PEI)로 구성된 군에서 선택되는 것이다.
도 2 는 본 발명의 단량체 주입비율에 따른 세포 집합체 형태에 대한 모식도이다.
도 3 은 본 발명의 일실시예에서 제조된 제1단량체 고분자(pDVB), 제2단량체 고분자(p4VP), 공중합체인 pD4V가 코팅된 표면의 화학적 구조를 FT-IR (Fourier Transform Infrared Spectroscopy) 로 분석한 결과이다.
도 4 는 본 발명의 일실시예에서 제조된 제1단량체 고분자(pDVB), 제2단량체 고분자(p4VP), 공중합체인 pD4V가 코팅된 표면의 접촉각(contact angle)과 표면자유에너지(surface free energy)를 측정한 결과이다.
도 5 는 본 발명의 일실시예에서 제조된 제1단량체 고분자(pDVB), 제2단량체 고분자(p4VP), 공중합체(pD4V)가 코팅된 표면에서 배양된 세포(NIH3T3)의 현미경이미지결과이다.
도 6 은 본 발명의 배양플레이트에서 배양된 세포 시트 형태가 버퍼(buffer)에 의해 자발적으로 떨어져 나오는 이미지이다.
도 7 은 본 발명의 일실시예에서 제조된 pD4V가 코팅된 표면에서 성체줄기세포시트(hMSC cell sheet)가 형성되고, 자발적으로 분리회수되는 과정을 보여주는 광학적 및 형광 현미경이미지이다.
도 8은 본 발명의 세포시트를 홀 구조체 상에 적층시키고, 기판이나 질병 모델 등 세포시트의 적용이 필요한 곳에 적용하는 과정을 나타낸 모식도이다.
도 9는 본 발명의 배양플레이트에서 형성된 세포시트를 분리회수하여 두 개의 세포시트를 적층해 놓은 이미지이다.
Claims (24)
- divinylbenzene 및 4-vinylpyridine이 형성한 공중합체를 포함하는 배양플레이트.
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- 제 1 항에 있어서, 상기 배양 플레이트는 세포 시트 형태의 세포 집합체 제조용인 것을 특징으로 하는 배양플레이트.
- 제 1 항에 있어서, 상기 공중합체가 배양플레이트 상의 박막의 형태로 포함되고, 상기 배양플레이트의 소재는 유리, 금속, 금속 산화물, 섬유, 종이 및 플라스틱으로 구성된 군에서 선택되는 것을 특징으로 하는 배양플레이트.
- 제 10 항에 있어서, 상기 플라스틱은 폴리에틸렌(polyethylene, PE), 폴리프로필렌(polypropylene, PP), 폴리스티렌(polystyrene, PS), 폴리에틸렌 테레프탈레이트(polyethylene terephthalate, PET), 폴리아미드(polyamides, PA), 폴리에스터(polyester, PES), 폴리염화비닐(polyvinyl chloride, PVC), 폴리우레탄(polyurethanes, PU), 폴리카보네이트(polycarbonate, PC), 폴리염화비닐리덴(polyvinylidene chloride, PVDC), 폴리테트라플루오르에틸(polytetrafluoroethylene, PTFE), 폴리에트르에테르케톤(polyetheretherrketone, PEEK) 및 폴리에테르이미드(polyetherimide, PEI)로 구성된 군에서 선택되는 것을 특징으로 하는 배양플레이트.
- 제1항, 및 제9항 내지 제11항 중 어느 한 항의 배양플레이트에서 세포를 배양하는 단계를 포함하는 세포 시트 형태의 세포 집합체 제조방법.
- 개시제를 분해하여 유리 라디칼(free radical)을 형성하는 단계;
유리 라디칼에 의해 divinylbenzene과 4-vinylpyridine 을 연쇄중합반응시켜 공중합체를 형성하는 단계; 및
배양플레이트에 공중합체가 증착되어 박막을 형성하는 단계를 포함하는 개시제를 이용한 화학적 기상 증착(initiated Chemical Vapor Deposition, iCVD) 공정을 이용한 배양플레이트 표면 개질방법.
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- 제 13 항에 있어서, 상기 배양플레이트는 세포 시트 형태의 세포 집합체 제조용인 것을 특징으로 하는 배양플레이트 표면 개질방법.
- (a) 제12항의 방법에 의해 제조된 세포시트 형태의 세포 집합체를 홀 구조체(structure with holes) 표면에 1층 이상 부착하는 단계; 및
(b) 세포 집합체의 적용이 필요한 부위에 세포 집합체가 부착된 면이 대향하도록 홀 구조체를 배치한 후, 홀 구조체만을 박리하는 단계를 포함하는 세포 집합체의 전사(transfer) 방법.
- 제 22 항에 있어서, 상기 홀 구조체는 니트로셀룰로오스 멤브레인, 나일론 멤브레인, PVDF(Polyvinylidene fluoride) 멤브레인, Polytetrafluoroethylene (PTFE) 멤브레인, 폴리카보네이트(polycarbonate) 멤브레인, MCE(mixed cellulose ester) 멤브레인, 폴리아마이드 멤브레인, 및 PES(Polyethersulfone) 멤브레인으로 이루어진 군으로부터 선택된 것으로서, 1개 이상의 구멍이 있는 것을 특징으로 하는 방법.
- 제 22 항에 있어서, 상기 (b)의 홀 구조체의 박리시 세포 집합체가 부착된 면의 반대 면에 인산완충용액, 또는 세포배양 배지를 점적하는 것을 특징으로 하는 방법.
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