KR101416954B1 - 조혈세포 분화 유도 방법 - Google Patents
조혈세포 분화 유도 방법 Download PDFInfo
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- KR101416954B1 KR101416954B1 KR1020120100821A KR20120100821A KR101416954B1 KR 101416954 B1 KR101416954 B1 KR 101416954B1 KR 1020120100821 A KR1020120100821 A KR 1020120100821A KR 20120100821 A KR20120100821 A KR 20120100821A KR 101416954 B1 KR101416954 B1 KR 101416954B1
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Abstract
Description
도 2는 겔솔린이 처리/무처리된 호염기성 적아세포의 세포 형태를 관찰한 사진이다.
도 3은 겔솔린이 처리/무처리된 호염기성 적아세포의 분화율을 측정한 결과를 나타낸 그래프이다.
도 4는 겔솔린이 처리/무처리된 호염기성 적아세포의 (a)세포이형성률, (b)탈핵률 및 (c)세포생존률을 측정한 결과를 나타낸 그래프이다.
도 5는 겔솔린이 처리/무처리된 다염성 적아세포의 세포 형태를 관찰한 사진이다.
도 6은 겔솔린이 처리/무처리된 다염성 적아세포의 분화율을 측정한 결과를 나타낸 그래프이다.
도 7은 겔솔린이 처리/무처리된 다염성 적아세포의 (a)세포이형성률, (b)탈핵률 및 (c)세포생존률을 측정한 결과를 나타낸 그래프이다.
도 8은 인 비트로에서 골수이형성 증후군에 대한 겔솔린이 치료효과를 확인한 결과이다:
(a)는 적혈구로만 분화시킨 제1 대조군 및 제1 실험군에서 겔솔린의 세포성숙율을 관찰한 현미경 사진이고, (b)는 적혈구와 과립구로 동시 분화시킨 제2 대조군 및 제2 실험군에서 겔솔린의 세포성숙율을 관찰한 현미경 사진으로서, 빨간색 별표는 미성숙 적혈구, 검정색 화살표는 과립구, Dys 검정색 화살표는 이형성증을 보이는 세포, Dead 검정색 화살표는 죽은 세포, 검정색 테두리 화살촉은 정염성 적아구, 검정색 화살촉은 탈핵 중인 적혈구를 각각 나타낸다;
(c)는 제1 대조군, 제1 실험군, 제2 대조군 및 제2 실험군에서의 탈핵률을 측정한 결과를 나타내는 그래프이며;
(d)는 제1 대조군, 제1 실험군, 제2 대조군 및 제2 실험군에서의 이형성률을 측정한 결과를 나타내는 그래프이다.
Claims (15)
- 겔솔린(gelsolin)을 유효성분으로 포함하는, 조혈전구세포로부터 적혈구 또는 과립구로의 분화를 유도하기 위한 배지 조성물.
- 제1항에 있어서, 상기 조혈전구세포는 조혈모세포(hemocytoblast), 전적아세포(proerythroblast), 적아세포(erythroblast), 호염기성 적아세포(basophilic erythroblast), 다염성 적아세포(polychromatic erythroblast) 및 정염성 적아세포(orthochromatic erythroblast)로 구성되는 적혈구 전구세포 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 배지 조성물.
- 제1항에 있어서, 상기 조혈전구세포는 골수아세포(myeloblast), 전골수세포(promyelocyte), 골수세포(myelocyte), 후골수세포(metamyelocyte), 간상핵구(band neutrophil), 단핵모세포(monoblast) 및 원단세포(promonocyte)로 구성되는 과립구 전구세포 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 배지 조성물.
- 제2항 또는 제3항에 있어서, 상기 조혈전구세포는 제대혈 또는 골수 유래인 것을 특징으로 하는 배지 조성물.
- 제1항에 있어서, 상기 겔솔린은 5 nM 내지 1 μM의 농도로 포함되는 것을 특징으로 하는 배지 조성물.
- 제1항에 있어서, 상기 겔솔린은 상기 조혈전구세포의 탈핵(enucleation)을 촉진하는 것을 특징으로 하는 배지 조성물.
- 조혈전구세포를 수득하는 단계;
상기 수득된 조혈전구세포를 겔솔린(gelsolin)과 접촉시키는 단계; 및
상기 겔솔린과 접촉된 조혈전구세포를 18시간 내지 72시간 동안 배양하는 단계를 포함하는, 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법. - 제7항에 있어서, 상기 조혈전구세포는 조혈모세포(hemocytoblast), 전적아세포(proerythroblast), 적아세포(erythroblast), 호염기성 적아세포(basophilic erythroblast), 다염성 적아세포(polychromatic erythroblast) 및 정염성 적아세포(orthochromatic erythroblast)로 구성되는 적혈구 전구세포 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법.
- 제7항에 있어서, 상기 조혈전구세포는 상기 조혈전구세포는 골수아세포(myeloblast), 전골수세포(promyelocyte), 골수세포(myelocyte), 후골수세포(metamyelocyte), 간상핵구(band neutrophil), 단핵모세포(monoblast) 및 원단세포(promonocyte)로 구성되는 과립구 전구세포 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법.
- 제8항 또는 제9항에 있어서, 조혈전구세포는 제대혈 또는 골수 유래인 것을 특징으로 하는 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법.
- 제8항에 있어서, 상기 호염기성 적아세포, 다염성 적아세포 또는 정염성 적아세포를 수득하는 단계는
적아세포(erythroblast)를 SCF, IL-3 및 EPO가 포함된 배지에서 5일 내지 7일 동안 1차 배양하는 단계; 및
상기 1차 배양된 세포를 SCF 및 EPO가 포함된 배지에서 1일 내지 5일 동안 2차 배양하는 단계를 포함하는 것을 특징으로 하는 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법. - 제11항에 있어서, 상기 전적아세포 또는 적아세포는 제대혈 유래의 조혈모세포(hemocytoblast)를 하이드로코르티손, SCF, IL-3 및 EPO가 포함된 배지에서 6 내지 8일 동안 배양하는 단계에 의해 수득되는 것을 특징으로 하는 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법.
- 제7항에 있어서, 상기 겔솔린은 5 nM 내지 1 μM의 농도로 배지에 포함되는 것을 특징으로 하는 인 비트로(in vitro)에서의 적혈구 또는 과립구 생산 방법.
- 겔솔린(gelsolin)을 유효성분으로 포함하는 골수이형성 증후군 치료용 약학적 조성물.
- 제14항에 있어서, 상기 골수이형성 증후군은 적혈구 계열(erythroid series) 또는 과립구 계열(myeloid series)의 골수이형성 증후군인 것을 특징으로 하는 골수이형성 증후군 치료용 약학적 조성물.
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US14/427,700 US9828584B2 (en) | 2012-09-12 | 2013-09-11 | Method for inducing hemoblast differentiation |
EP13836414.6A EP2896689B1 (en) | 2012-09-12 | 2013-09-11 | Method for inducing hemoblast differentiation |
PCT/KR2013/008226 WO2014042432A1 (ko) | 2012-09-12 | 2013-09-11 | 조혈세포 분화 유도 방법 |
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KR20120003760A (ko) * | 2010-07-05 | 2012-01-11 | 고려대학교 산학협력단 | 인간 배아줄기세포로부터 분화된 간세포를 배양한 조건배지를 함유하는 간질환 치료용 조성물 |
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EP2896689A1 (en) | 2015-07-22 |
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