KR20120119706A - 펩타이드에 의한 표면활성형 콜라겐 차폐막 - Google Patents
펩타이드에 의한 표면활성형 콜라겐 차폐막 Download PDFInfo
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- KR20120119706A KR20120119706A KR1020110037839A KR20110037839A KR20120119706A KR 20120119706 A KR20120119706 A KR 20120119706A KR 1020110037839 A KR1020110037839 A KR 1020110037839A KR 20110037839 A KR20110037839 A KR 20110037839A KR 20120119706 A KR20120119706 A KR 20120119706A
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- tissue regeneration
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Abstract
본 발명의 융합 펩타이드 표면에 결합한 표면활성형 콜라겐 차폐막은 생체 내에 이식하였을 때, 국소 체류성이 증가하여 안정하게 결합할 수 있고, 골조직 재생에 관련된 세포의 이행, 증식 및 분화를 촉진하여 최종적으로 골조직 재생력을 극대화시킬 수 있어 이를 이용한 골유도재생 치료기술의 발전에 유용하다. 또한 융합 펩타이드는 콜라겐으로 제조된 다른 형태의 이식재에도 응용이 가능하고, 융합 펩타이드를 구성하는 콜라겐 결합 펩타이드는 다른 조직에 재생효과가 있는 펩타이드와도 결합하여 합성이 가능하므로, 피부와 같은 다른 목적의 조직재생용 생체재료에 응용이 가능하다.
Description
도 2는 콜라겐 차폐막의 전자현미경(SEM)의 표면 및 단면을 나타낸 사진이다.
도 3은 콜라겐 차폐막을 공초점 현미경으로 관찰한 것을 나타낸 사진이다
(A: 펩타이드가 결합되지 않은 콜라겐 차폐막;
B: FITC가 표지된 서열번호 24 펩타이드가 결합된 콜라겐 차폐막).
도 4는 FITC가 표지된 콜라겐 차폐막을 가토 두개골 원형 골 결손부에 이식하고, 시간의 변화에 따른 혈액을 채취하여 혈액 내로 유리된 펩타이드를 fluorometer로 측정값을 나타낸 것이다.
도 5는 콜라겐 차폐막을 가토 두개골 원형 골결손부에 이식하고 이식 4주 후 골재생 정도를 관찰한 사진이다
(A: 서열번호 1 펩타이드가 결합된 차폐막;
B: 서열번호 9 펩타이드가 결합된 차폐막; 및
C: 서열번호 24 펩타이드가 결합된 차폐막).
도 6은 콜라겐 차폐막의 대장균에 대한 성장저해 직경을 측정한 것을 나타낸 것이다.
시간(min) | B 용매 조성(%) |
1 | 5 |
35 | 100 |
45 | 100 |
50 | 5 |
60 | 5 |
Lot No. | 일수 | Name | Ret. Time | Area | Height | ㎎ |
1 | 7 | RT13 | 0.000 | 0 | 0 | 0 |
14 | RT13 | 0.000 | 0 | 0 | 0 | |
28 | RT13 | 0.000 | 0 | 0 | 0 | |
2 | 7 | RT13 | 0.000 | 0 | 0 | 0 |
14 | RT13 | 0.000 | 0 | 0 | 0 | |
28 | RT13 | 0.000 | 0 | 0 | 0 | |
3 | 7 | RT13 | 0.000 | 0 | 0 | 0 |
14 | RT13 | 0.000 | 0 | 0 | 0 | |
28 | RT13 | 0.000 | 0 | 0 | 0 |
Lot No. | Name | Ret. Time | Area | Height | ㎎ |
1 | RT13 | RT13 | 1276751 | 51132 | 9.20 |
2 | RT13 | RT13 | 1374499 | 51711 | 9.43 |
3 | RT13 | RT13 | 144963 | 56018 | 9.68 |
Claims (4)
- 콜레겐 결합 펩타이드와 서열번호 2 내지 서열번호 23의 아미노산 서열로 구성된 군에서 선택되는 펩타이드가 결합되어 있는 콜라겐 결합능과 골조직 재생능을 가지는 융합 펩타이드.
- 제1항에 있어서, 콜라겐 결합 펩타이드는 서열번호 1의 아미노산 서열로 표시되는 것을 특징으로 하는 콜라겐 결합능과 골조직 재생능을 가지는 융합 펩타이드.
- 제1항에 있어서, 상기 융합 펩타이드는 서열번호 24의 아미노산 서열로 표시되는 것을 특징으로 하는 콜라겐 결합능과 골조직 재생능을 가지는 융합 펩타이드.
- 제1항 내지 제3항 중 어느 한 항의 융합 펩타이드가 콜라겐 차폐막 표면에 고정되어 있는 것을 특징으로 하는 골조직 재생능을 가지는 콜라겐 차폐막.
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KR1020110037839A KR101400667B1 (ko) | 2011-04-22 | 2011-04-22 | 펩타이드에 의한 표면활성형 콜라겐 차폐막 |
PCT/KR2012/002895 WO2012144778A2 (ko) | 2011-04-22 | 2012-04-17 | 펩타이드에 의한 표면활성형 콜라겐 차폐막 |
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KR101013999B1 (ko) * | 2004-03-19 | 2011-02-14 | 재단법인서울대학교산학협력재단 | 표면에 골조직 형성 증진 펩타이드가 고정된 차폐막 및임플란트 |
KR100739528B1 (ko) * | 2006-02-03 | 2007-07-13 | 재단법인서울대학교산학협력재단 | 제1형 교원질 부착 유도 펩타이드가 고정된 골이식재 및 조직공학용 지지체 |
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