KR20140128921A - 자기조립 세포외 기질 메트릭스 제조 방법 및 이것의 용도 - Google Patents
자기조립 세포외 기질 메트릭스 제조 방법 및 이것의 용도 Download PDFInfo
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- KR20140128921A KR20140128921A KR1020140136975A KR20140136975A KR20140128921A KR 20140128921 A KR20140128921 A KR 20140128921A KR 1020140136975 A KR1020140136975 A KR 1020140136975A KR 20140136975 A KR20140136975 A KR 20140136975A KR 20140128921 A KR20140128921 A KR 20140128921A
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Abstract
또한, 상기와 같이 제작된 메트릭스는 세포의 대량증식이나 분화 유도에 효과적인 플랫포옴을 제공함으로서 이를 통해 세포치료제 제조 등에 응용할 수 있다.
Description
탈세포화를 거쳐 만들어진 자기조립 메트릭스의 표면형태가 드러난 이미지로서 나노사이즈의 파이버들이 서로 얽혀서 네트웍을 이루고 있으며 각각의 메트릭스가 특징적인 표면구조를 가지고 있음을 확인하였다.
도 2는 자기조립 메트릭스의 면역형광 염색법을 이용한 분석한 결과를 나타낸 것이다 (A: FDM, B: PDM, C: CHDM).
자기조립 메트릭스를 구성하는 단백질 성분들을 분석하기 위해 대표적인 성분인 파이브로넥틴, 타입 I 콜라겐, 라미닌을 면역형광 염색을 통해 각각의 메트릭스 (FDM, PDM, CHDM)에 대한 정보를 얻을 수 있었다.
도 3은 자기조립 메트릭스 위 골수유래 줄기세포(Bone-marrow-derived cells, BMSC)의 증식을 CCK-8 assay를 통해 나타낸 것이다 (A: FDM, B: PDM, C: CHDM). 메트릭스 위 세포 증식이 control에 비해서도 매우 우수한 것을 확인하였다.
도 4는 자기조립 메트릭스 위 골수유래 줄기세포(BMSC)의 분화효과 (조직학적 염색: Alizarin red staining)를 나타낸 것이다(A: FDM, B: PDM, C: CHDM). 각각의 자기조립 메트릭스 위에서 골수유래 줄기세포의 조골세포 분화를 유도한 후 칼슘형성 및 분포를 조직염색을 통해 확인했을 때, 특정 메트릭스(FDM) 위에서 골 분화가 훨씬 촉진됨을 알 수 있었다.
도 5는 쥐의 연골에서 분리된 연골세포를 자기조립 메트릭스 또는 일반적인 배양 플레이트에서 각각 계대 배양(P4)을 통해 대량증식된 연골세포를 이용하여 각각의 펠렛 형태로 만들었다. 이들을 4 주간 배양한 후 분석 결과 펠렛 사이즈, 연골 특이적 염색, glycosaminoglycan (GAG) 총량 등이 자기조립 메트릭스 위 증식된 연골세포로부터 연골조직 재생능이 더욱 우수함을 확인하였다(PGCP: plate-grown chondrocyte pellet, MGCP: matrix-grown chondrocyte pellet).
Claims (7)
- 자기조립 메트릭스에서 배양된 세포를 포함하는, 자가면역질환, 심혈관계 질환, 골질환, 연골질환, 또는 신경질환 치료제.
- 청구항 1에 있어서, 상기 자기조립 메트릭스는,
세포를 이차원 표면에서 배양하여 세포외 기질을 생성하는 단계; 및
세포외 기질이 생성된 이차원 표면을 탈세포화시키는 단계에 의해 탈세포화된 이차원 표면으로부터 수득된 세포외 기질로 이루어지는 것인 치료제. - 청구항 2에 있어서, 세포를 이차원 표면에서 배양하는 동안 배양액에 생리활성물질을 첨가하여 세포를 증식시키거나 세포외 기질 분비를 촉진시키는 단계를 더 포함하는 것인 치료제.
- 청구항 3에 있어서, 상기 생리활성물질은 전환성장인자, 섬유아세포 성장인자, 골 형태발생 단백질, 혈관내피 성장인자, 표피성장인자, 인슐린-유사 성장인자, 혈소판-유래 성장인자, 신경 성장인자, 간세포 성장인자, 태반성장인자, 과립구 콜로니 자극인자로 구성된 군으로부터 선택되는 어느 하나인 것인 치료제.
- 청구항 1에 있어서, 상기 세포는 조직세포 또는 줄기세포인 것인 치료제.
- 청구항 5에 있어서, 상기 조직세포는 섬유아세포, 연골세포, 조골세포, 혈관내피세포, 혈관내피 전구세포, 근세포, 평활근세포, 간세포(hepatocyte), 신경세포, 심근세포, 척추 추간판 세포로 구성된 군으로부터 선택되는 어느 하나인 것인 치료제.
- 청구항 5에 있어서, 상기 줄기세포는 배아줄기세포, 역분화 줄기세포, 골수유래 줄기세포, 지방유래 줄기세포, 태반유래 줄기세포, 근육유래 줄기세포로 구성된 군으로부터 선택되는 어느 하나인 것인 치료제.
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WO2016125960A1 (ko) * | 2015-02-05 | 2016-08-11 | 박재우 | 연골손상 치료용 조성물 및 이의 제조방법 |
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CN105307719B (zh) | 2013-05-30 | 2018-05-29 | 格雷厄姆·H.·克雷西 | 局部神经刺激仪 |
US11229789B2 (en) | 2013-05-30 | 2022-01-25 | Neurostim Oab, Inc. | Neuro activator with controller |
US11077301B2 (en) | 2015-02-21 | 2021-08-03 | NeurostimOAB, Inc. | Topical nerve stimulator and sensor for bladder control |
KR101703917B1 (ko) * | 2015-04-24 | 2017-02-08 | 한국과학기술연구원 | 탈세포화된 세포외기질을 포함하는 생리활성물질의 서방출용 조성물 및 이의 용도 |
EP3706856A4 (en) | 2017-11-07 | 2021-08-18 | Neurostim Oab, Inc. | NON-INVASIVE NERVOUS ACTIVATOR WITH ADAPTIVE CIRCUIT |
CN114126704A (zh) | 2019-06-26 | 2022-03-01 | 神经科学技术有限责任公司 | 具有自适应电路的非侵入性神经激活器 |
KR102272781B1 (ko) * | 2019-09-27 | 2021-07-05 | 아주대학교산학협력단 | 세포외기질로 유도된 자가조립체 제조방법 및 이를 이용한 인공조직 제조 |
JP2023506713A (ja) | 2019-12-16 | 2023-02-20 | ニューロスティム テクノロジーズ エルエルシー | 昇圧電荷送達を用いた非侵襲性神経アクティベータ |
KR20230051077A (ko) * | 2021-10-08 | 2023-04-17 | 에이치엘비셀 주식회사 | 세포 배양을 통한 세포외기질 제조방법 및 제조된 세포외기질의 용도 |
WO2024210477A1 (ko) * | 2023-04-03 | 2024-10-10 | 에이치엘비셀 주식회사 | 세포외기질 및 기질결합 소포체를 포함하는 세포외기질 제조용 조성물 및 이의 제조방법 |
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