KR102433259B1 - 지방조직 유래 세포외기질을 포함하는 의료용 조성물 및 그 제조방법 - Google Patents
지방조직 유래 세포외기질을 포함하는 의료용 조성물 및 그 제조방법 Download PDFInfo
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- KR102433259B1 KR102433259B1 KR1020190168838A KR20190168838A KR102433259B1 KR 102433259 B1 KR102433259 B1 KR 102433259B1 KR 1020190168838 A KR1020190168838 A KR 1020190168838A KR 20190168838 A KR20190168838 A KR 20190168838A KR 102433259 B1 KR102433259 B1 KR 102433259B1
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Abstract
본 발명에 따른 의료용 조성물은 체내 이식 후에도 조성물이 잘 응집된 상태로 존재하고, 일정기간 동안 부피를 유지할 수 있다.
Description
도 2는 본 발명의 일례에 따른 의료용 조성물의 점성계수, 탄성계수 및 복소점도를 측정한 그래프이다.
도 3은 본 발명의 일례에 따른 의료용 조성물 주입 6주 후, 누드마우스에서 적출한 조성물을 나타낸 사진 및 상기 조성물의 부피를 나타낸 그래프이다.
도 4는 본 발명의 일례에 따른 의료용 조성물 주입 6주 후, 누드마우스에서 적출한 조성물을 조직학적으로 분석하기 위해, H&E(haematoxylin and eosin) 염색을 수행한 사진 및 세포 유입을 정량한 그래프이다,
도 5는 본 발명의 일례에 따른 의료용 조성물 주입 6주 후, 누드마우스에서 적출한 조성물 내 지방 생성을 분석하기 위해, Oil Red O 염색을 수행한 사진 및 정량한 그래프이다.
시료번호 | 인체지방조직 유래 세포외기질 함량(%) | 담체함량(%) | 압출력(주입 압력, N) | |
17G | 20G | |||
1 | 5 | 2 | 26N | 28N |
2 | 10 | 2 | 23N | 20N |
3 | 15 | 2 | 32N | 37N |
4 | 5 | 4 | 26N | 20N |
5 | 10 | 4 | 19N | 30N |
6 | 15 | 4 | 35N | 41N |
7 | 5 | 6 | 22N | 27N |
8 | 10 | 6 | 23N | 30N |
9 | 15 | 6 | 36N | 65N |
10 | 5 | 8 | 28N | 27N |
11 | 10 | 8 | 23N | 41N |
12 | 15 | 8 | 38N | 72N |
13 | 5 | 10 | 19N | 28N |
14 | 10 | 10 | 23N | 68N |
15 | 15 | 10 | 48N | 100N |
Claims (17)
- 지방조직 유래 세포외기질 분말; 및 생체적합성 고분자의 가교물을 포함하며,
상기 생체적합성 고분자의 가교물의 함량은 조성물 전체 중량 대비 0.1 내지 20 중량%이고,
상기 생체적합성 고분자의 가교물은 히알루론산과 카복시메틸셀룰로스의 가교물인 의료용 조성물.
- 제 1 항에 있어서,
지방조직 유래 세포외기질 분말의 평균 입경은 100 내지 800 μm 인 의료용 조성물.
- 제 1 항에 있어서,
지방조직 유래 세포외기질 분말의 함량은 조성물 전체 중량 대비 1 내지 30 중량%인 의료용 조성물.
- 삭제
- 제 1 항에 있어서,
생체적합성 고분자의 가교물은 가교제에 의해 가교되어 제조되며,
상기 가교제는 부탄디올디글리시딜에테르(1,4-butandiol diglycidyl ether, BDDE), 에틸렌글리콜디글리시딜에테르(ethylene glycol diglycidyl ether, EGDGE), 헥산디올디글리시딜에테르(1,6-hexanediol diglycidyl ether), 프로필렌글리콜디글리시딜에테르(propylene glycol diglycidyl ether), 폴리프로필렌글리콜디글리시딜에테르(polypropylene glycol diglycidyl ether), 폴리테트라메틸렌글리콜디글리시딜에테르(polytetramethylene glycol diglycidyl ether), 네오펜틸글리콜디글리시딜에테르(neopentyl glycol diglycidyl ether), 폴리글리세롤폴리글리시딜에테르(polyglycerol polyglycidyl ether), 디글리세롤폴리글리시딜에테르(diglycerol polyglycidyl ether), 글리세롤폴리글리시딜에테르(glycerol polyglycidyl ether), 트리메틸프로판폴리글리시딜에테르(tri-methylpropane polyglycidyl ether), 비스에폭시프로폭시에틸렌(1,2-(bis(2,3-epoxypropoxy)ethylene), 펜타에리쓰리톨폴리글리시딜에테르(pentaerythritol polyglycidyl ether), 및 소르비톨폴리글리시딜에테르(sorbitol polyglycidyl ether)로 이루어진 그룹으로부터 선택된 하나 이상인 것인 의료용 조성물.
- 삭제
- 제 1 항에 있어서,
의료용 조성물의 점성계수는 3,000 내지 20,000 Pa이고,
탄성계수는 1,000 내지 10,000 Pa이며,
복소점도는 1,000 내지 10,000 Pa·s 이고,
압출력은 110 N 이하인 것인 의료용 조성물.
- 제 1 항에 있어서,
의료용 조성물은 조직 수복제, 필러, 유착방지제, 성형보조물, 관절염 치료제, 창상 피복제, 지혈제, 또는 지방이상증 치료제로 사용되는 것인 의료용 조성물.
- 지방조직 유래 세포외기질 분말; 및 생체적합성 고분자의 가교물을 혼합하는 단계를 포함하며,
상기 생체적합성 고분자의 가교물의 함량은 조성물 전체 중량 대비 0.1 내지 20 중량%이고,
상기 생체적합성 고분자의 가교물은 히알루론산과 카복시메틸셀룰로스의 가교물인 의료용 조성물의 제조 방법.
- 제 9 항에 있어서,
지방조직 유래 세포외기질 분말은 지방조직에서 지질 성분을 제거하는 탈지방화 단계;
상기 지질 성분이 제거된 지방조직에서 세포를 제거하는 탈세포화 단계;
상기 세포가 제거된 지방조직을 동결건조하는 동결건조 단계; 및
상기 동결건조된 동결건조물을 분말화하는 분말화 단계;를 통해 제조되는 것인 의료용 조성물의 제조 방법.
- 제 10 항에 있어서,
지질 성분의 제거는 물리적 처리 및/또는 화학적 처리에 의해 수행되며,
물리적 처리는 분쇄이고,
화학적 처리는 탈지질 용액을 사용하여 수행되는 것인 의료용 조성물의 제조 방법.
- 제 11 항에 있어서,
탈지질 용액은 극성 용매, 비극성 용매, 또는 이들의 혼합 용매를 포함하는 것인 의료용 조성물의 제조 방법.
- 제 10 항에 있어서,
탈세포화는 염기성 용액을 사용하여 수행되며,
상기 염기성 용액은 수산화나트륨, 수산화칼륨, 수산화암모늄, 칼슘카보네이트, 수산화마그네슘, 수산화칼슘 및 암모니아로 이루어진 그룹으로부터 선택된 하나 이상을 포함하는 것인 의료용 조성물의 제조 방법.
- 제 10 항에 있어서,
탈세포화 단계를 수행한 후, 원심분리하는 단계를 추가로 수행하는 것인 의료용 조성물의 제조 방법.
- 제 9 항에 있어서,
생체적합성 고분자의 가교물은 생체적합성 고분자를 가교제를 이용하여 가교하는 가교 단계; 및
상기 가교된 가교물을 동결건조하는 동결건조 단계를 통해 제조되는 것인 의료용 조성물의 제조 방법.
- 제 15 항에 있어서,
가교제의 함량은 생체적합성 고분자 대비 0.5 내지 10 중량%인 것인 의료용 조성물의 제조 방법.
- 제 9 항에 있어서,
혼합된 혼합물을 멸균하는 단계를 추가로 포함하는 것인 의료용 조성물의 제조 방법.
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