KR101422689B1 - 콜라겐, 히알루론산 유도체 및 포유류의 탯줄 유래 줄기세포를 포함하는 연골세포치료제 - Google Patents
콜라겐, 히알루론산 유도체 및 포유류의 탯줄 유래 줄기세포를 포함하는 연골세포치료제 Download PDFInfo
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- KR101422689B1 KR101422689B1 KR1020120075755A KR20120075755A KR101422689B1 KR 101422689 B1 KR101422689 B1 KR 101422689B1 KR 1020120075755 A KR1020120075755 A KR 1020120075755A KR 20120075755 A KR20120075755 A KR 20120075755A KR 101422689 B1 KR101422689 B1 KR 101422689B1
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- collagen
- hyaluronic acid
- cartilage
- umbilical cord
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Abstract
Description
도 2는 실시예 2의 탯줄 유래 줄기세포에 있어서, 배아줄기세포의 마커가 RNA 수준에서 발현됨을 보여 주는 결과이다.
도 3은 실시예 3의 탯줄 유래 줄기세포의 계대배양에 따른 중간엽줄기세포 마커를 분석한 결과이다. 도 3에 나타나 있듯이, 중간엽줄기세포의 특성인 CD29, CD73, CD105, CD166 등이 계대배양 20회까지 유지됨을 확인할 수 있고, 25번째 계대배양부터는 줄기세포의 마커를 상실하였다.
이때, x축은 강도(intensity)이며, Y축은 세포갯수(카운트)이다. x축 및 y축의 변화로 위에 기재되어 있는 CD 마커를 식별할 수 있다.
도 4는 실시예 4의 탯줄 유래 줄기세포의 분화능(연골, 뼈 및 지방으로의 분화)을 보여 주는 그림이다.
도 5는 실시예 5 및 실시예 7에서 제조한 매트릭스에 있어서, 콜라겐과 히알루론산 유도체의 비율에 따른 형태 유지를 관찰한 결과이다.
도 6 및 도 7은 실시예 7에서 제조한 매트릭스에 탯줄 유래 줄기세포를 혼합하여 배양했을 때, 매트릭스 내에서의 세포 증식 및 생존률을 나타낸다. 대조군인 콜라겐으로만 이루어진 지지체보다 히알루론산 유도체와 탯줄 유래 콜라겐을 혼합한 실험군에서 증식력과 생존률이 보다 높게 유지되는 것을 보여 준다.
도 8은 실시예 8에 따른 탯줄 유래 줄기세포의 생체내 분화(마우스 피하)를 보여 준다.
도 9는 실시예 8에 따른 따른 탯줄 유래 줄기세포의 생체내 분화(마우스 피하)를 다양한 염색법을 통하여 보여 준다.
도 10 및 도 11은 토끼 무릎 관절연골에 연골하골 부위까지 손상을 준 후 아무 처리하지 않은 것(non-treatment)과 지지체만 넣어준 것(대조군) 및 탯줄 유래 줄기세포와 지지체를 혼합한 것(실험군)을 이식하고 8주 후 및 16주 후에 관찰한 결과로서 실험군에서 연골이 완벽하게 재생된 결과를 보여준다.
도 12는 실시예 9에 따른 따른 탯줄 유래 줄기세포와 지지체 혼합물의 손상된 연골 재생효과(토끼 관절)를 H&E 염색법을 통하여 보여 준다.
도 13은 실시예 9에 따른 따른 탯줄 유래 줄기세포와 지지체 혼합물의 손상된 연골 재생효과(토끼 관절)를 II형 콜라겐 염색법을 통하여 보여 준다.
유전자(gene) | 프라이머 서열(5'-3') | 온도(℃) | ||
OCT 4 | Sense | agaaggagtggtccgagtg | 서열번호 1 | 60 |
Antisense | agagtggtgacggagacagg | 서열번호 2 | ||
Nanog | Sense | atacctcagcctccagcaga | 서열번호 3 | 59 |
Antisense | cctgattgrrccaggattgg | 서열번호 4 | ||
KLF4 | Sense | accctgggtcttgaggaagt | 서열번호 5 | 59 |
Antisense | tgccttgagatgggaactct | 서열번호 6 | ||
Sox2 | Sense | gatgcacaactcggagatcag | 서열번호 7 | 60 |
Antisense | gccgttcatgtaggtctgcga | 서열번호 8 | ||
GAPDH | Sense | gaaggtgaaggtcggagtca | 서열번호 9 | 60 |
Antisense | ggaggcattgctgatgatct | 서열번호 10 |
Claims (21)
- 포유류 유래 I형 콜라겐 및 히알루론산을 부탄다이올 디글라이시딜에테르(BDDE)를 이용하여 가교화한 히알루론산 유도체를 3:1의 질량비로 혼합한 것을 포함하는 조성물.
- 삭제
- 제1항에 있어서, 상기 포유류 유래 I형 콜라겐은 인간 탯줄 유래 콜라겐인 것인 조성물.
- 제1항에 있어서, 상기 조성물은
히알루론산과 부탄다이올 디글라이시딜에테르를 혼합하여 히알루론산 유도체를 제조하는 단계; 및
상기 히알루론산 유도체와 I형 콜라겐을 혼합하는 단계를 포함하는 제조 방법에 의해 제조된 것인 조성물. - 삭제
- 제1항의 조성물을 포함하는 의료용 복합 생체소재.
- 줄기세포, I형 콜라겐 및 히알루론산을 부탄다이올 디글라이시딜에테르(BDDE)를 이용하여 가교화한 히알루론산 유도체를 포함하는 손상된 연골 치료용 조성물.
- 제7항에 있어서, 상기 줄기세포는 포유류 유래의 줄기세포인 것인 손상된 연골 치료용 조성물.
- 제8항에 있어서, 상기 포유류 유래의 줄기세포는 탯줄 유래 줄기세포인 것인 손상된 연골 치료용 조성물.
- 제7항에 있어서, 상기 I형 콜라겐은 포유류의 탯줄에서 수득한 것인 손상된 연골 치료용 조성물.
- 제7항에 있어서, 상기 줄기세포는 포유류의 탯줄 추출물을 포함한 줄기세포 배양배지를 이용하여, 세포 부착 단백질로 코팅된 용기에서 배양하여 제조된 것인 손상된 연골 치료용 조성물.
- 제11항에 있어서, 상기 줄기세포 배양배지는 혈청을 포함하지 않는 것인 손상된 연골 치료용 조성물.
- 제11항에 있어서, 상기 세포 부착 단백질은 포유류 탯줄 유래 콜라겐, 젤라틴(gelatin), 피브로넥틴(fibronectin), 라미닌(laminin) 및 폴리-D-라이신(poly-Dlysin)으로 이루어진 군으로부터 선택되는 것인 손상된 연골 치료용 조성물.
- 제7항에 있어서, 상기 히알루론산 유도체와 상기 I형 콜라겐의 조합 비율은 1:2 내지 1:3의 질량비인 것임을 특징으로 하는 손상된 연골 치료용 조성물.
- 제7항에 있어서, 상기 히알루론산 유도체와 상기 I형 콜라겐의 조합 비율은 1:3의 질량비인 것인 손상된 연골 치료용 조성물.
- 제15항에 있어서, 상기 히알루론산 유도체는 1% 내지 3%인 것인 손상된 연골 치료용 조성물.
- 제15항에 있어서, 상기 I형 콜라겐은 1% 내지 3%인 것인 손상된 연골 치료용 조성물.
- 제9항에 있어서, 상기 포유류의 탯줄 유래 줄기세포는 1.0×106 내지 1×108 cells/ml의 농도로 히알루론산 유도체와 포유류의 탯줄 유래 I형 콜라겐 젤과 혼합되는 것임을 특징으로 하는 손상된 연골 치료용 조성물.
- 제7항에 있어서, 상기 연골 치료용 조성물은 하이드로젤 형태인 것임을 특징으로 하는 손상된 연골 치료용 조성물.
- 제7항의 손상된 연골 치료용 조성물을 포함하는 연골 치료용 주사제용 조성물.
- 제20항의 연골치료용 주사제용 조성물을 인간을 제외한 동물에 투여하는 단계를 포함하는 손상된 연골을 치료하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020110069551 | 2011-07-13 | ||
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JP (1) | JP2014520844A (ko) |
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JP2014520844A (ja) | 2014-08-25 |
CN103796659A (zh) | 2014-05-14 |
WO2013009102A3 (ko) | 2013-04-11 |
KR20130009651A (ko) | 2013-01-23 |
US20140227235A1 (en) | 2014-08-14 |
WO2013009102A2 (ko) | 2013-01-17 |
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