KR101273204B1 - 골형성 조성물 제조방법 - Google Patents
골형성 조성물 제조방법 Download PDFInfo
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- KR101273204B1 KR101273204B1 KR1020110083561A KR20110083561A KR101273204B1 KR 101273204 B1 KR101273204 B1 KR 101273204B1 KR 1020110083561 A KR1020110083561 A KR 1020110083561A KR 20110083561 A KR20110083561 A KR 20110083561A KR 101273204 B1 KR101273204 B1 KR 101273204B1
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Abstract
Description
도 3은 다공성 지지체에 콜라겐과 성장인자를 함침시켜 제작한 골형성 조성물의 전자 현미경 사진을 나타내는 것이다.
A: 대조건(성장인자에 지지체를 담지 후 동결건조)
B; 콜라겐 함유군(콜라겐과 성장인자를 담지 후 가압 조건에서 반응 후 동결건조)
도 4 및 도 5는 성장인자를 함유한 골형성 조성물의 세포분화촉진 효과를 나타내는 것이다.
도 6은 다양한 가압 조건에서 생산한 골형성 조성물의 BMP-2의 분비량을 나타낸 것이다.
도 7은 다양한 가압 조건에서 생산한 골형성 조성물의 세포분화촉진 효과를 나타낸 것이다.
도 8은 반복 동결/해동 단계를 거친 골형성 조성물의 BMP-2 분비량을 나타낸 것이다.
도 9는 성장인자의 함량에 따른 성체줄기세포 분화를 나타내는 것이며, 이때 Y 축은 골수줄기세포의 개수를 나타낸 것이다.
| content of BMP -2 ( ng / ml ) | |||||
| 1일 | 3일 | 7일 | 10일 | 14일 | |
| 0( mTorr ) | 7.8 | 6.3 | 5.1 | 3.1 | 1.2 |
| 10( mTorr ) | 6.3 | 7.5 | 7.2 | 5.3 | 2.3 |
| 50( mTorr ) | 6.2 | 7.3 | 6.8 | 5.4 | 2.8 |
| 100( mTorr ) | 6.2 | 6.4 | 5.9 | 5.0 | 3.2 |
| 1000( mTorr ) | 5.6 | 6.2 | 5.8 | 5.2 | 3.8 |
| 10000( mTorr ) | 5.4 | 5.8 | 5.5 | 4.8 | 4.1 |
| 오스테오칼신 | |
| 0( mTorr ) | 1 |
| 5( mTorr ) | 6.5 |
| 50( mTorr ) | 6.3 |
| 100( mTorr ) | 5.5 |
| 1000( mTorr ) | 4.4 |
| 10000( mTorr ) | 4.1 |
Claims (16)
- 골형성 다공성 지지체, 콜라겐 및 성장인자를 혼합하는 단계;
혼합 조성물에 5 내지 50 mTorr 압력을 가하는 단계; 및
상기 혼합 조성물을 동결 및 해동하는 단계를 포함하는 골형성 조성물을 제조하는 방법. - 제1항에 있어서, 골형성 다공체 지지체는 중합체(polymer), 세라믹(ceramics), 카본(carbon) 및 복합재료(composite)로 이루어진 군에서 선택되는 어느 하나인 것인 골형성 조성물을 제조하는 방법.
- 제2항에 있어서, 상기 중합체는 실리콘(silicone), 메틸 메타크릴레이트(methyl metacrylate), 폴리에틸렌(polyethylene), 및 폴리테트라플루오로에틸렌(polytetrafluoroethylene)으로 이루어진 군으로부터 선택되는 어느 하나인 것인 골형성 조성물을 제조하는 방법.
- 제2항에 있어서, 상기 세라믹은 알루미늄 옥사이드(aluminum oxide), 티타늄 옥사이드(titanium oxide), 하이드록시아파타이트(HAP), 및 트리칼슘 포스페이트(TCP)으로 이루어진 군으로부터 선택되는 어느 하나인 것인 골형성 조성물을 제조하는 방법.
- 제2항에 있어서, 상기 카본은 바이오카본(biocarbon)인 것인 골형성 조성물을 제조하는 방법.
- 제2항에 있어서, 상기 복합재료는 프로플라스트(proplast) 또는 강화 아크릴릭 레진(reinforced acrylic resin)인 골형성 조성물을 제조하는 방법.
- 제1항에 있어서, 상기 성장인자는 BMP(bone morphogenetic protein) 또는 TGF(transforming growth factor)인 골형성 조성물을 제조하는 방법.
- 제7항에 있어서, 상기 BMP는 BMP-2, BMP-4 및 BMP-7로 이루어진 군에서 선택되는 어느 하나인 골형성 조성물을 제조하는 방법.
- 제7항에 있어서, 상기 TGF는 α-TGF 또는 β-TGF인 골형성 조성물을 제조하는 방법.
- 삭제
- 제1항에 있어서, 상기 압력은 5 mTorr 내지 10 mTorr인 골형성 조성물을 제조하는 방법.
- 삭제
- 제1항에 있어서, 상기 동결 및 해동하는 단계를 1 내지 10회 반복하는 것을 특징으로 하는 골형성 조성물을 제조하는 방법.
- 제1항의 방법으로 제조된 다공성 지지체, 콜라겐 및 성장인자를 포함하는 골형성 조성물.
- 제14항에 있어서, 상기 다공성 지지체는 하이드록시아파타이트인 골형성 조성물.
- 제14항에 있어서, 상기 성장인자는 BMP-2인 골형성 조성물.
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| JP3162375B2 (ja) * | 1990-05-07 | 2001-04-25 | レゲン バイオロジクス インコーポレイテッド | 人工椎間板 |
| JP2001514049A (ja) * | 1997-08-19 | 2001-09-11 | ビー・ティー・ジー・インターナショナル・リミテッド | 生分解性複合材料 |
| JP2004159971A (ja) * | 2002-11-14 | 2004-06-10 | Hideki Yoshikawa | 骨形成用部材およびその製造方法 |
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| JP3162375B2 (ja) * | 1990-05-07 | 2001-04-25 | レゲン バイオロジクス インコーポレイテッド | 人工椎間板 |
| JP2001514049A (ja) * | 1997-08-19 | 2001-09-11 | ビー・ティー・ジー・インターナショナル・リミテッド | 生分解性複合材料 |
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