KR20120046430A - 하이드로겔을 포함하는 연골 이식용 조성물 - Google Patents
하이드로겔을 포함하는 연골 이식용 조성물 Download PDFInfo
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- KR20120046430A KR20120046430A KR1020100108074A KR20100108074A KR20120046430A KR 20120046430 A KR20120046430 A KR 20120046430A KR 1020100108074 A KR1020100108074 A KR 1020100108074A KR 20100108074 A KR20100108074 A KR 20100108074A KR 20120046430 A KR20120046430 A KR 20120046430A
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- cartilage
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- hydrogel
- cells
- synovial membrane
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Abstract
본 발명의 하이드로겔을 포함하는 연골 이식용 조성물은 최소한의 침습적 처치로 연골 결함 또는 손상 부위에 간편하게 적용될 수 있으며, 이식 후 활액막 조직의 침투 및 성장으로 연골의 재생이 효과적으로 일어나고 우수한 연골의 보호 효과를 발휘한다.
Description
도 2는 시간의 경과에 따른 다양한 구성비율을 갖는 겔의 효소적 분해 프로파일이다.
도 3은 겔/세포 컨스트럭트의 28일간 배양 결과를 나타내는 사진이다.
도 4는 겔/세포 컨스트럭트 배양 1일 및 3일 후 Live/Dead Viability 분석 결과이다. 겔 내 생존세포는 녹색, 사멸세포는 적색으로 나타난다.
도 5는 겔/세포 컨스트럭트 배양 14일 후 Live/Dead Viability 분석 결과이다. 겔 내 생존세포는 녹색, 사멸세포는 적색으로 나타난다.
도 6은 겔 ①의 (a) 1일 배양 및 (c) 2주 배양 후와 겔 ②의 (b) 1일 배양 및 (d) 2주 배양 후의 겔 내 생존세포(녹색) 및 사멸세포(적색)의 이미지를 확대하여 나타낸 것이다.
도 7은 MTS 분석 결과를 그래프로 나타낸 것이다.
도 8은 합성된 총 GAG의 양을 DNA 양에 대하여 평균화하여 나타낸 그래프이다.
도 9는 3주 및 4주 배양 후 사프라닌 O로 염색한 프로테오글리칸 발현을 보여주는 사진이다.
도 10은 3주 및 4주 배양 후 제1형 콜라겐 발현을 보여주는 공초점 현미경 사진이다.
도 11은 3주 및 4주 배양 후 제2형 콜라겐 발현을 보여주는 공초점 현미경 사진이다.
도 12는 연골 특이적 ECM 유전자 발현을 나타내는 RT-PCR 분석결과이다.
도 13은 연골형성 실험 1주 후 래빗 무릎 관절 활차형 홈의 형태 구조 및 H&E 염색결과를 나타낸다.
도 14는 연골형성 실험 1주 후 래빗 무릎 관절 중앙 돌기의 형태 구조 및 H&E 염색결과를 나타낸다.
도 15는 연골형성 실험 4주 후 래빗 무릎 관절 활차형 홈의 형태 구조, H&E 염색결과 및 사프라닌 O 염색결과를 나타낸다. 적색 형광은 겔과 함께 주입된 활액막세포이다.
도 16은 연골형성 실험 4주 후 래빗 무릎 관절 중앙 돌기의 형태 구조, H&E 염색결과 및 사프라닌 O 염색결과를 나타낸다. 적색 형광은 겔과 함께 주입된 활액막세포이다.
유전자 | 방향 | 서열 | 사이클 | 어닐링 온도(℃) | 앰플리콘 (bp) |
COL I | (F) | 5'-CGTGGTGACAAGGGTGAGAC-3' | 25 | 52 | 827 |
(R) | 5'-TAGGTGATGTTCTGGGAGGC-3' | ||||
COL II | (F) | 5'-TTCAGCTATGGAGATGACAATC-3' | 35 | 58 | 472 |
(R) | 5'-AGAGTCCTAGAGTGACTGAG-3' | ||||
COL X |
(F) | 5'-CCCTTTTTGCTGCTAGTATCC-3' | 28 | 58 | 468 |
(R) | 5'-CTGTTGTCCAGGTTTTCCTGGCAC-3' | ||||
Aggrecan | (F) | 5'-TGAGGAGGGCTGGAACAAGTACC-3' | 32 | 57 | 350 |
(R) | 5'-GGAGGTGGTAATTGCAGGGAACA-3' | ||||
Sox 9 | (F) | 5'-CCCGATCTGAAGAAGGAGAGC-3' | 32 | 58 | 381 |
(R) | 5'-GTTCTTCACCGACTTCCTCCG-3' | ||||
GAPDH | (F) | 5'-ATTGTTGCCATCAATGACCC-3' | 25 | 55 | 579 |
(R) | 5'-AGTAGAGGCAGGGATGATGTT-3' |
Claims (14)
- (a) 하이드로겔; 및 (b) 상기 하이드로겔에 파종된 활액막 세포를 포함하는 연골 이식용 조성물.
- 제 1 항에 있어서, 상기 하이드로겔은 주사기로 주입가능(injectable)한 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 하이드로겔은 콘드로이틴, 글루코사민, 글리코사미노글리칸, 소장 점막(porcine small intestinal submucosa), 골외막(periosteum), 연골외막(perichondrium), 피브린, 피브리노겐, 트롬빈, 히알루론산 및 콜라겐으로 구성된 군으로부터 선택되는 하나 이상을 포함하는 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 하이드로겔은 히알루론산, 콜라겐 및 피브리노겐을 포함하는 것을 특징으로 하는 조성물.
- 제 4 항에 있어서, 상기 콜라겐은 제1형 콜라겐인 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 활액막 세포는 1 x 105 내지 1 x 108 세포/겔(㎖)의 밀도로 하이드로 겔에 파종된 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 하이드로겔은 0.1 내지 6 중량%/day의 생분해 속도를 갖는 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 연골은 유리연골(hyaline cartilage), 섬유연골(fibrocartilage) 또는 탄성연골(elastic cartilage)인 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 연골은 관절연골(articular Cartilage), 귀 연골, 비연골, 팔꿈치 연골, 반월상연골(meniscus), 무릎연골, 늑연골, 발목연골, 기관연골, 후두연골 및 척추 연골로 구성된 군으로부터 선택되는 것을 특징으로 하는 조성물.
- 다음의 단계를 포함하는 연골 이식용 조성물의 제조방법:
(a) 활액막 세포를 취득하는 단계; 및
(b) 상기 취득한 활액막 세포를 하이드로겔과 혼합하는 단계.
- 제 10 항에 있어서, 상기 활액막 세포는 연골 결함 치료 대상체(subject)로부터 추출한 것 또는 동종 활액막 세포인 것을 특징으로 하는 방법.
- 제 10 항에 있어서, 상기 방법은 상기 활액막 세포 및 하이드로겔 혼합물을 배양하는 단계를 추가적으로 포함하는 것을 특징으로 하는 방법.
- 제 1 항 내지 제 9 항 중 어느 한 항의 조성물을 포함하는 연골 결함 치료용 약제학적 조성물.
- 제 13 항에 있어서, 상기 연골 결함은 연골괴사, 골연골염, 연골파열, 연골외상, 관절염, 연골결핍 및 선천성 기관연화로 구성된 군으로부터 선택되는 것을 특징으로 하는 조성물.
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