KR20230047294A - 마이크로 캐리어, 세포 복합체 및 이를 포함하는 의료용 조성물, 미용 조성물, 의료 용품 및 미용 용품 - Google Patents
마이크로 캐리어, 세포 복합체 및 이를 포함하는 의료용 조성물, 미용 조성물, 의료 용품 및 미용 용품 Download PDFInfo
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Abstract
Description
도2는 실시예 1의 고분자 마이크로 입자의 젤라틴 특성 피크 (1650 cm-1)에 대한 IR 사진 이다.
도3은 실시예 1의 고분자 마이크로 입자의 젤라틴의 특성 피크 (1650 cm-1)에 대해 상대화한 히알루론산 특성 피크 (1080 cm-1) 에 대한 IR 사진 이다.
구분 | 평균직경 (㎛) | 구형화도 | 평균 압축강도 (mN) | 세포 배양 적합성 | 안정성 |
실시예 1 | 317±21 | 0.95±0.08 | 2.10 | 적합 | 적합 |
실시예 2 | 346±26 | 0.96±0.13 | 1.37 | 적합 | 적합 |
실시예 3 | 319±32 | 0.95±0.05 | 0.37 | 적합 | 적합 |
비교예 1 | 385±13 | 0.98±0.09 | 0.23 | 적합 | 부적합 |
비교예 2 | 193±21 | 0.96±0.03 | 0.10 | 부적합 | 부적합 |
비교예 3 | 입자 제조 불가능 | ||||
비교예 4 | 입자 제조 불가능 | ||||
비교예 5 | 입자 제조 불가능 | ||||
비교예 6 | 301±48 | 0.94±0.11 | 0.29 | 부적합 | 적합 |
비교예 7 | 194±17 | 0.95±0.04 | 0.12 | 부적합 | 부적합 |
구분 | 코팅층 두께(㎛) | 세포부착성(%) |
실시예 1 | 0.1 | 2900 |
비교예 8 | 코팅층 없음 | 1900 |
Claims (20)
- 제1 생체 적합성 고분자, 금속이온 및 반응성 작용기를 1 개 이상 포함하는 유기 가교제를 포함하는 코어; 및 상기 코어의 전부 또는 일부를 둘러싸며, 제2 생체 적합성 고분자, 금속이온 및 반응성 작용기를 1 개 이상 포함하는 유기 가교제를 포함하는 쉘;을 포함하는, 코어-쉘 구조를 가지는 고분자 마이크로 입자, 및
상기 고분자 마이크로 입자의 표면 상에 형성된 세포 부착 유도층;을 포함하는, 마이크로 캐리어.
- 제1항에 있어서,
상기 코어는 제1 생체 적합성 고분자가 금속이온 및 반응성 작용기를 1 개 이상 포함하는 유기 가교제를 매개로 가교된 고분자 매트릭스를 포함하고,
상기 쉘은 제2 생체 적합성 고분자가 금속이온 및 반응성 작용기를 1 개 이상 포함하는 유기 가교제를 매개로 가교된 고분자 매트릭스를 포함하는, 마이크로 캐리어.
- 제1항에 있어서,
상기 제1 생체 적합성 고분자는 히알루론산을 포함하고,
상기 제2 생체 적합성 고분자는 젤라틴을 포함하는, 마이크로 캐리어.
- 제2항에 있어서,
상기 코어는, 코어에 포함되는 고분자 매트릭스 전체 부피에 대하여,
히알루론산이 금속이온 및 반응성 작용기를 1 개 이상 포함하는 유기 가교제를 매개로 가교된 고분자 매트릭스를 50 부피% 초과로 포함하는, 마이크로 캐리어.
- 제2항에 있어서,
상기 쉘은, 쉘에 포함되는 고분자 매트릭스 전체 부피에 대하여,
젤라틴이 금속이온 및 반응성 작용기를 1 개 이상 포함하는 유기 가교제를 매개로 가교된 고분자 매트릭스를 50 부피% 초과로 포함하는, 마이크로 캐리어.
- 제1항에 있어서,
상기 고분자 마이크로 입자는 증류수에서의 평균 직경이 1 ㎛ 이상인, 마이크로 캐리어.
- 제1항에 있어서,
상기 고분자 마이크로 입자의 최장 직경을 갖는 단면을 기준으로,
상기 쉘의 두께가 상기 고분자 마이크로 입자의 최장 직경의 95 % 이하인, 마이크로 캐리어.
- 제1항에 있어서,
상기 반응성 작용기를 1 개 이상 포함하는 유기 가교제는,
반응성 작용기를 1개 이상 포함하는 탄소수 1 내지 30의 가교제를 포함하는, 마이크로 캐리어.
- 제1항에 있어서,
상기 고분자 마이크로 입자는
입자 평균직경의 25% 수준으로 변형되었을 때의 평균 압축강도가 0.1 mN 이상인, 마이크로 캐리어.
- 제1항에 있어서,
상기 고분자 마이크로 입자는
광학 사진에서의 임의의 입자의 가장 긴 직경 대 가장 짧은 직경의 비율(장경비)인 구형화도가 0.9 이상 1.0 이하인, 마이크로 캐리어.
- 제1항에 있어서,
상기 세포 부착 유도층은 젤라틴, 콜라겐, 피브로넥틴 키토산, 폴리도파민, 폴리 L-라이신, 비트로넥틴, RGD를 포함한 펩타이드, RGD를 포함한 아크릴계 고분자, 리그닌, 양이온성 덱스트란 및 이들의 유도체로 이루어진 군에서 선택되는 1종 이상의 세포 부착성 물질을 포함하는, 마이크로 캐리어.
- 제1항에 있어서,
상기 세포 부착 유도층은 1 nm 내지 10,000 nm의 층 두께를 갖는, 마이크로 캐리어.
- 제1항에 있어서,
상기 마이크로 캐리어는 1 ㎛ 내지 1000 ㎛의 평균직경을 갖는, 마이크로 캐리어.
- 제1항에 있어서,
상기 마이크로 캐리어는 하기 수학식으로 계산되는 세포 부착성이 2000 % 이상인, 마이크로 캐리어:
[수학식]
세포부착성 = (마이크로 캐리어를 세포배양액에 투입하여 37 ℃에서 7일간 배양한 후 세포수 / 세포배양액에 최초 포함된 세포수) X 100.
- 제1항에 있어서,
상기 마이크로 캐리어는 세포 배양용 마이크로 캐리어인, 마이크로 캐리어.
- 제1항의 마이크로 캐리어; 및
상기 마이크로 캐리어 표면 상에 부착된 세포;를 포함하는, 세포 복합체.
- 제1항의 마이크로 캐리어 또는 제16항의 세포 복합체 중 어느 하나를 포함하는, 의료용 조성물.
- 제1항의 마이크로 캐리어 또는 제16항의 세포 복합체 중 어느 하나를 포함하는, 미용 조성물.
- 제17항의 의료용 조성물을 포함하는, 의료 용품.
- 제18항의 미용 조성물을 포함하는, 미용 용품.
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US18/570,607 US20240287450A1 (en) | 2021-09-30 | 2022-08-24 | Micro carrier, cell composite, and medical composition, cosmetic composition, medical articles and cosmetic articles using the same |
PCT/KR2022/012636 WO2023054902A1 (ko) | 2021-09-30 | 2022-08-24 | 마이크로 캐리어, 세포 복합체 및 이를 포함하는 의료용 조성물, 미용 조성물, 의료 용품 및 미용 용품 |
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