KR102334114B1 - 진균을 이용한 스캐폴드 제조 및 이를 이용한 조직 재생방법 - Google Patents
진균을 이용한 스캐폴드 제조 및 이를 이용한 조직 재생방법 Download PDFInfo
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- KR102334114B1 KR102334114B1 KR1020190152260A KR20190152260A KR102334114B1 KR 102334114 B1 KR102334114 B1 KR 102334114B1 KR 1020190152260 A KR1020190152260 A KR 1020190152260A KR 20190152260 A KR20190152260 A KR 20190152260A KR 102334114 B1 KR102334114 B1 KR 102334114B1
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- fungal
- biocompatible
- mercaptoethanol
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Abstract
Description
도 2는 F-스캐폴드의 인장강도 및 파단 신장률을 나타낸 도면이다.
도 3은 F-스캐폴드의 TG/DTG 열중량분석을 나타낸 도면이다.
도 4는 F-스캐폴드의 생체 내 분해 가능성 분석을 나타낸 도면이다.
도 5는 용혈작용 분석법을 이용한 BME 처리 여부에 따른 F-스캐폴드의 혈액적합성(Hemocompatibility) 분석 값을 나타낸 도면이다. 값은 세 번의 독립적인 실험으로부터 평균 ± 표준 편차로 나타내었다. 별표(*)는 unpaired t-test (**P≤ 0.01; ***P≤0.001; ****P≤0.0001)에 의해 측정된 양성 대조군과 BME 처리되지 않은 샘플, 및 BME 처리되지 않은 샘플과 BME 처리된 샘플의 통계적 유의성을 나타낸다.
도 6은 배양 기간에 따른 BME 처리된(0.45 M) F-스캐폴드에 인간 각질세포(keratinocyte)의 대사 활동을 나타낸 그래프이다. 결과 값은 3회 실시한 실험의 평균 ± SD로 나타내었다. 서로 다른 날에 2D (대조군)와 F-스캐폴드에서 배양된 각질세포 대사 활성 사이의 통계적 차이를 unpaired t-test(**P≤0.01; ***P≤0.001)에 의해 측정되었다.
도 7은 BME 처리된(0.45M) F-스캐폴드에서 1, 7, 14 및 21일째 증식된 인간 각질세포의 (A) ×300의 배율에서의 FE-SEM 이미지(스케일 바: 100㎛),(B) DAPI 염색 형광 이미지 및 (C) 살아 있는-죽은 세포 염색 형광 이미지를 나타낸 도면이다.
sample | TG curves | DTG curves | |
Δm(%) | ΔT(℃) | Peak(Tp)(℃) | |
F-스캐폴드 |
3.7 | 15.5-237.3 | 40.8 |
54.3 | 237.3-330.0 | 295.5 | |
24.1 | 330.0-431.2 | 388.0 | |
4.1 | 431.2-689.6 | - | |
13.8(잔여물) | 689.6 | - |
Claims (10)
- β-메르캅토에탄올(β-mercaptoethanol)로 처리된 사상균(Filamentous fungus)으로 이루어진 생체적합성 있는 진균 스캐폴드.
- 제 1항에 있어서,
사상균은 아스퍼질러스 속(Aspergillus sp.), 후사리움 속(Fusarium sp.), 킬린드로클라디움 속(Cylindrocladium sp.), 글로에오필룸 속(Gloeophyllum sp.), 파네로차에테 속(Phanerochaete sp.) 및 카에토미움 속(Chaetomium sp.)으로 이루어진 군 중에서 선택되는 어느 하나 이상인 것을 특징으로 하는 생체적합성 있는 진균 스캐폴드. - 제 1항에 있어서,
상기 β-메르캅토에탄올(β-mercaptoethanol)은 0.1 내지 0.5M 농도로 처리하는 것을 특징으로 하는 생체적합성 있는 진균 스캐폴드. - 제 1항에 있어서,
β-메르캅토에탄올(β-mercaptoethanol) 처리된 사상균의 평균 직경은 1.5 내지 4.5㎛인 것을 특징으로 하는 생체적합성 있는 진균 스캐폴드. - 사상균을 배양하여 균사 매트(mat)를 제조하는 단계;
상기 균사 매트를 멸균 및 동결건조하여 진균 스캐폴드를 제조하는 단계; 및
상기 스캐폴드를 β-메르캅토에탄올로 처리하는 단계;
를 포함하는 생체적합성 있는 진균 스캐폴드의 제조방법. - 제 5항에 있어서,
사상균은 아스퍼질러스 속(Aspergillus sp.), 후사리움 속(Fusarium sp.), 킬린드로클라디움 속(Cylindrocladium sp.), 글로에오필룸 속(Gloeophyllum sp.), 파네로차에테 속(Phanerochaete sp.) 및 카에토미움 속(Chaetomium sp.)으로 이루어진 군 중에서 선택되는 어느 하나 이상인 것을 특징으로 하는 생체적합성 있는 진균 스캐폴드의 제조방법. - 제 5항에 있어서,
균사 매트는,
분생포자를 25 내지 35℃에서 8 내지 12일 동안 정치배양 하여 제조하는 것을 특징으로 하는 생체적합성 있는 진균 스캐폴드의 제조방법. - 제 5항에 있어서,
상기 β-메르캅토에탄올은 0.1 내지 0.5M의 농도로 처리하는 것을 특징으로 하는 생체적합성 있는 진균 스캐폴드의 제조방법. - 청구항 1, 청구항 2 및 청구항 4 중 어느 한 항에 따른 생체적합성 있는 진균 스캐폴드에 세포를 배양하는 것을 특징으로 하는 조직 재생방법.
- 제 9항에 있어서,
세포는 피부세포, 연골세포, 뼈세포, 및 줄기세포로 이루어진 군에서 선택된 어느 하나 이상인 것을 특징으로 하는 조직 재생방법.
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