KR102385934B1 - 안구 질환을 치료하기 위한 abcb5(+) 줄기 세포 - Google Patents
안구 질환을 치료하기 위한 abcb5(+) 줄기 세포 Download PDFInfo
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- KR102385934B1 KR102385934B1 KR1020157025733A KR20157025733A KR102385934B1 KR 102385934 B1 KR102385934 B1 KR 102385934B1 KR 1020157025733 A KR1020157025733 A KR 1020157025733A KR 20157025733 A KR20157025733 A KR 20157025733A KR 102385934 B1 KR102385934 B1 KR 102385934B1
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Abstract
Description
도 1a는 각막 구조 및 윤부 줄기 세포 니치의 개략도를 제시한다.
도 1b는 윤부에서 표지-보유 세포 집단의 존재를 식별시켜주는 BrdU-표지된 해리된 뮤린 각막 세포의 대표적인 유동 세포측정 분석을 제시한다.
도 1c는 뮤린 윤부에서 ABCB5 및 BrdU의 공발현을 도시하는 면역형광 영상을 제시한다.
도 1d는 뮤린 윤부에서 ABCB5 및 BrdU의 공발현을 도시하는 대표적인 유동 세포측정 분석을 제시한다. 막대 그래프 (우측)는 독립적 실험 (n=4)의 정량 분석을 예시한다.
도 1e는 기저 상피 층에서의 ABCB5 발현 (녹색)을 도시하는, 인간 각막으로부터의 접선 윤부 단면의 대표적인 면역조직화학적 분석을 제시한다.
도 1f는 ΔNp63α (녹색)와 ABCB5 (적색)의 공발현을 도시하는, 인간 각막으로부터의 접선 윤부 단면의 대표적인 면역조직화학적 분석을 제시한다.
도 1g는 ΔNp63α와 ABCB5의 공발현을 도시하는, 인간 윤부 상피 세포의 대표적인 세포측정 분석을 제시한다. 막대 그래프는 ABCB5(+) 및 ABCB5(-) 세포 상에서의 ΔNp63α 발현 (좌측 패널), 및 ΔNp63α(+) 및 ΔNp63α(-) 세포 상에서의 ABCB5 발현 (우측 패널)을 제시한다. 데이터는 평균 ± s.e.m., n=3 실험으로 도시된다.
도 1h는 ABCB5 및 KRT12 공발현의 이중 색상 유동 세포측정 분석을 제시한다.
도 1i는 수술 시점에 수행된 윤부 줄기 세포 결핍 (LSCD)을 갖는 환자로부터의, 그리고 그의 각각의 공여자로부터의 윤부 생검에서 ABCB5 발현의 대표적인 면역조직화학적 분석을 제시한다. 막대 그래프는 건강한 공여자 및 LSCD를 갖는 환자에서의 ABCB5(+) 세포 (녹색)의 개수를 제시한다 (환자/공여자당 n=8 절편).
도 2a는 뮤린 Abcb5 유전자좌 및 단백질 위상의 개략도를 제시한다. 위상 구조는 TMHMM 막 위상 예측 알고리즘에 의해 결정되었고, TOPO2 소프트웨어를 사용하여 디스플레이하였다. Abcb5 녹아웃 (KO) (돌연변이체) 마우스에서 결실된 아미노산 잔기는 적색으로 하이라이팅된다.
도 2b는 Abcb5 KO 마우스의 생성에 사용된 전략의 개략적 요약도를 제시한다.
도 2c, 좌측 패널은 마우스 유전자형 결정에 사용된 게놈 DNA의 폴리머라제 연쇄 반응 (PCR) 분석의 전기영동 영상을 제시하며, 이는 113-염기 쌍 야생형 (WT) 대립유전자 및 322-염기 쌍 결실된 대립유전자를 입증한다. 도 2c, 우측 패널은 ABCB5 모노클로날 항체 (mAb) 3C2-1D12에 의한 뮤린 단백질 용해물의 웨스턴 블롯을 제시하며, 이는 Abcb5 KO 마우스에서 예측된 크기의 80 kD 단백질 밴드의 상실을 밝혀내었다.
도 2d는 슬릿 램프 검사 (좌측 패널), 헤마톡실린 및 에오신 (H&E) 염색 (중앙 패널) 및 4',6-디아미디노-2-페닐인돌 (DAPI) 염색 (우측 패널)을 사용한, 뮤린 Abcb5 WT 및 Abcb5 KO 각막의 표현형 특성화 영상을 제시한다. 아래 막대 그래프는 Abcb5 KO 및 Abcb5 WT 뮤린 중심 각막 및 윤부에서의 DAPI(+) 상피 세포의 개수를 도시한다. 제시된 데이터는 평균 ± s.e.m., n=4 실험을 나타낸다.
도 2e는 Abcb5 WT 및 Abcb5 KO 마우스에서 PAX6, KRT12 및 KRT14의 LC-비오틴 확산 분석 및 면역형광 단백질 발현 분석을 제시한다. 막대 그래프는 Abcb5 KO 및 Abcb5 WT 마우스에서의 퍼센트 PAX6(+) 및 KRT12(+) 상피 세포를 도시한다. 제시된 데이터는 평균 ± s.e.m., n=6 실험을 나타낸다.
도 2f는 상피 변연절제 상처형성 48시간 후 Abcb5 WT 및 Abcb5 KO 각막의 H&E 및 DAPI 염색을 제시한다. 막대 그래프 (하부)는 Abcb5 WT 및 Abcb5 KO 마우스에서 절편당 DAPI(+) 세포의 개수를 나타낸다. 제시된 데이터는 평균 ± s.e.m., n=4 실험을 나타낸다.
도 2g는 상피 변연절제 상처형성 48시간 후 Abcb5 WT 및 Abcb5 KO 마우스의 윤부 및 중심 각막에서의 Ki67의 면역형광 분석을 제시한다. 막대 그래프 (하부)는 Abcb5 KO 및 Abcb5 WT 마우스의 윤부 및 각막에서의 Ki67(+)의 백분율을 나타낸다 (각각 평균± s.e.m., n=4 실험).
도 2h는 상피 변연절제 상처형성 48시간 후 Abcb5 WT 및 Abcb5 KO 마우스의 윤부 및 중심 각막에서 TUNEL 염색의 면역형광 분석을 제시한다. 막대 그래프 (하부)는 Abcb5 KO 및 Abcb5 WT 마우스의 윤부 및 각막에서 TUNEL+ 상피 세포의 백분율을 나타낸다 (각각 평균± s.e.m., n=4 실험).
도 3a는 8-주 추적 후 Abcb5 KO 및 Abcb5 WT 윤부 상피 세포에서 BrdU 표지-보유 세포의 상실을 제시하는 유동 세포측정 분석을 제시한다.
도 3b는 1-주 추적 후 Abcb5 KO 및 Abcb5 WT 윤부 상피 세포에서 BrdU 표지-보유 세포의 상실을 제시하는 유동 세포측정 분석을 제시한다 (평균 ± s.e.m., n=6 실험).
도 3c는 Abcb5 WT 및 Abcb5 KO 마우스 윤부 및 각막에서 Ki67 발현의 면역형광 분석을 제시한다. 우측의 막대 그래프는 Abcb5 WT 및 Abcb5 KO 마우스에서 윤부 및 각막 내 Ki67(+) 세포의 백분율을 예시한다. 평균 ± s.e.m. (n=3 실험)으로 예시된다.
도 3d는 Abcb5 WT 및 Abcb5 KO 각막에서 p53, p63, p21 및 p16의 mRNA 발현의 그래프를 제시한다. 막대는 Abcb5 WT 마우스에서의 mRNA 발현 수준의 백분율로서 Abcb5 KO 마우스에서의 상대 mRNA 발현 수준을 나타낸다 (평균 ± s.e.m., n=4 실험).
도 3e는 세포 주기 조절 및 정상 각막 발생 및 재생에서의 ABCB5의 역할의 개략적 요약도를 제시한다. Abcb5 KO 마우스에서 ABCB5 발현의 종료 (청색)는 BrdU(+) 표지-보유 세포의 상실, 및 p63을 비롯한 중요한 세포 주기 조절자의 하향 조절을 야기한다. 이는 Abcb5 KO 마우스에서의 증진된 Ki67 발현에 의해 입증되는 바와 같은 증가된 세포 증식으로 이어진다. 증대된 증식 및 세포 주기로부터의 퇴거 불능은 감소된 PAX6 및 KRT12 발현에 의해 입증되는 현저한 분화 결핍 및 증진된 TUNEL 염색에 의해 입증되는 Abcb5 KO 마우스에서의 증가된 아폽토시스 속도를 설명한다.
도 4a는 C57BL/6 수용자 마우스에 이식된 뮤린 동계 공여자 세포 이식물의 분석을 제시한다.
도 4b는 면역결핍 NSG 수용자 마우스에 이식된 인간 이종 공여자 세포 이식물의 분석을 제시한다. 영상은 실험적으로 유도된 LSCD의 치료를 위해 수행된 이식 5주 후의 조직을 제시한다. 도 4a 및 4b에서, 수용자 마우스는 공여자 세포 무함유 (각각 2행), ABCB5(-) 세포 함유 (각각 3행), 비분리 윤부 상피 세포 함유 (각각 4행), 또는 ABCB5(+) 세포 함유 (각각 5행) 피브린 겔 이식편을 제공받았다. 참조로서, 정상 비치료 (LSCD가 유도되지 않음) C57BL/6 및 NSG 뮤린 각막을 도 4a 및 도 4b의 각각 1행에 제시한다. 각막 투명성은 슬릿 램프 검사에 의해 평가하였다 (도 4a, 4b, 1열). 상피 완전성 및 재생은, 상피 두께 및 중층화에 대해서는 H&E 염색에 의해 (2열 - 20x 배율; 3열 - 40x 배율), 신생혈관화와 연관된 배상 세포 검출에 대해서는 과아이오딘산-쉬프 염색 (PAS)에 의해 (도 4a, 4열), 및 분화된 각막 상피 세포의 검출에 대해서는 Krt12 염색 (녹색)에 의해 (도 4a, 4b, 5열) 평가하였다. 핵은 DAPI에 의해 염색된다 (적색). 우측의 막대 그래프는 이식 5주 후 수용자 각막에서의 뮤린 KRT12(+) 세포 (도 4a) 또는 인간 KRT12(+) 세포 (도 4b)의 백분율을 제시한다. 도 4b에서 우측 하부 패널은 각막 수선에 대한 인간 공여자 세포 기여를 평가하기 위한, 인간 세포로 이식된 뮤린 눈의 RT-PCR 분석을 제시한다.
도 5a는 BrdU 펄스-추적 실험을 위한 실험 설계의 개략적 요약도를 제시한다.
도 5b는 BrdU를 제공하지 않은 WT 마우스 (좌측 2개 패널) 또는 BrdU를 제공하고 8주 추적한 WT 마우스 (우측 2개 패널)의 윤부 상피 세포에서 BrdU 표지-보유 세포의 특이적 염색을 도시한, 대표적인 유동 세포측정 분석을 제시한다. 윤부 상피 세포를 회수하고 항-BrdU 항체 (Ab), 또는 이소형 대조군 Ab로 염색하였다. 게이트 내 BrdU-양성 세포의 백분율을 각각의 플롯 상에 표시한다.
도 6은 윤부 상피의 위치를 보여주는, 인간 공여자 각막으로부터의 접선 윤부 단면의 개략도를 제시한다. ABCB5(+) 세포 (녹색 세포로 개략적으로 도시됨)는 기저 상피 층에 위치하는 것으로 발견되었다.
도 7은 LSCD를 갖는 환자 (환자 1)로부터의 윤부 생검을 제시한다. 화학 화상을 입은 환자 1로부터 윤부 생검을 수득한 후, 관통 각막성형술 플러스 사체 공여자 눈 (공여자 1)으로부터의 각막-윤부 동종이식편을 제공하였다. 일련의 생검 단면을 H&E, 이소형 대조군 Ab 또는 ABCB5 mAb로 염색하였다. 공여자 1의 윤부 상피에서의 ABCB5 염색은 ABCB5-양성 세포 집단을 밝혀낸 반면에, ABCB5 양성은 환자 1의 윤부 상피에서 감소되었다. 면역형광 염색 사진은 20x 배율에서의 순차적 사진의 몽타주이다.
도 8은 LSCD를 갖는 환자 (환자 2)로부터의 윤부 생검을 제시한다. 자가면역 각막 융해, 말초 궤양성 각막염 및 부분적인 윤부 줄기 세포 결핍을 갖는 환자 2로부터 윤부 생검을 수득한 후, 환자의 정상 반대쪽 눈 (공여자 2)로부터의 각막-윤부 자가이식편을 제공하였다. 일련의 생검 절편을 H&E, 이소형 대조군 Ab 또는 ABCB5 mAb로 염색하였다. ABCB5 양성이 공여자 2의 윤부 상피의 기저 층에 존재한 반면에, 유의하게 감소된 상피 층 및 ABCB5 염색 부재가 환자 2의 윤부에서 관찰되었다. 면역형광 염색의 사진은 20x 배율에서의 순차적 사진의 몽타주이다.
도 9는 Abcb5 WT 및 Abcb5 KO 마우스의 윤부 또는 중심 각막 상피의 대표적인 유동 세포측정 분석을 제시한다. 전방 산란 (FSC) 및 측방 산란 (SSC)은 각각 세포 크기 및 입상도를 보여준다. Abcb5 KO 마우스의 중심 각막 상피는 Abcb5 WT 상피 (좌측 패널)와 비교하여, 보다 작은 세포 (좌측 게이트)는 그렇지 않지만 보다 큰 세포 (우측 게이트)의 감소로 인해 감소된 상피 세포의 개수를 제시한다. 윤부 상피 세포 (우측 패널)의 개수에서는 어떠한 감소도 존재하지 않았다. 4개의 눈으로부터 풀링된 샘플의 대표적인 결과를 제시한다 (n=3 실험).
도 10은 Abcb5 WT 및 Abcb5 KO 마우스의 윤부 (상단) 또는 중심 각막 (하단)으로부터 수거된 상피 세포의 대표적인 유동 세포측정 분석을 제시한다. 발견된 세포를 이소형 대조군 항체, 항-Pax6 항체 또는 항-Krt12 항체로 염색하였다. Abcb5 KO 마우스의 중심 각막에서 PAX6(+) 및 KRT12(+) 상피 세포의 감소된 빈도가 존재하였고, Abcb5 KO 마우스의 윤부에서 PAX6(+) 세포의 상응하는 감소된 빈도가 존재하였다. 적색 게이트는 이소형 대조군 염색과 비교하여 PAX6(+) 또는 KRT12(+) 세포를 식별시켜 준다. n=3 실험의 대표적인 분석을 제시한다.
도 11a는 2 mm 트레핀으로 마킹되고 상피가 제거되어 변연절제된 상처 영역을 제시한다.
도 11b는 상처 변연 및 노출된 중심 각막 기질을 도시하는, 중심 상피 변연절제 직후의 각막의 DAPI-염색된 단면을 제시한다. 영상은 10x 배율에서의 순차적 사진의 몽타주이다.
도 11c는 변연절제 1, 24, 및 48시간 후에 모니터링한 각막 상피 상처 폐쇄의 형광 영상을 제시한다.
도 11d는 상처 폐쇄 속도의 그래프를 제시하며, Abcb5 WT 및 Abcb5 KO 마우스 사이에 유의차는 존재하지 않았다 (n=2 반복 실험의 요약).
도 12는 각막 상피 변연절제 상처 48시간 후의 Abcb5 WT (상단) 및 Abcb5 KO (하단) 마우스의 대표적인 DAPI-염색된 복합 각막 단면을 제시하며, Abcb5 KO 마우스에서 상피 세포의 감소된 개수가 입증된다. 백색 파선은 상피와 기질의 경계를 표시하고; 백색 박스는 20x 배율에서 보여지는 영역을 나타내고 (몽타주 사진은 10x 배율에서의 것임); 백색 선은 상피 세포가 계수된 영역의 경계를 표시한다. 상피 세포는 2회의 개별 실험에서 군당 3마리의 반복 마우스에서 적어도 3개의 연속 복합 단면 내 표준화된 영역 내에서 계수하였다 (데이터는 도 2f에 제시됨).
도 13은 각막 상피 변연절제 상처 48시간 후의 Abcb5 WT (상단) 및 Abcb5 KO (하단) 마우스의 대표적인 TUNEL-염색된 복합 각막 단면을 제시하며, Abcb5 KO 마우스에서 아폽토시스 세포의 증가된 개수가 입증된다. 백색 박스로 규정된 영역은 20x 배율로 보여진다 (몽타주 사진은 10x 배율에서의 것임). TUNEL-양성 상피 세포의 개수를 계수하고, 2회의 반복 실험으로부터의 데이터를 도 2h에 요약한다.
도 14a는 공여자 각막으로부터 ABCB5(+) 및 ABCB5(-) 윤부 상피 세포의 회수 및 분리에 이어 공여자 세포를 함유하는 피브린 겔의 제조에 대한 개략도를 제시한다.
도 14b는 수용자 마우스에서 윤부 줄기 세포 결핍의 유도 및 공여자 이식편의 이식에 대한 개략도를 제시한다.
도 15a는 뮤린 공여자 윤부 상피 세포의 분류 게이트 및 생존율을 제시하는 대표적인 유동 세포측정 분석을 제시한다. 생존율은 DAPI를 제외한 세포의 백분율로 제시된다.
도 15b는 뮤린 공여자로부터 단리된 윤부 상피 세포의 ABCB5(+)-보강 및 ABCB5(-)-보강 하위집단의 순도 및 생존율을 도시하는 분류-후 분석을 제시한다. 생존율은 DAPI를 제외한 세포의 백분율로 제시된다.
도 15c는 인간 공여자 윤부 상피 세포의 분류 게이트 및 생존율을 제시하는 대표적인 유동 세포측정 분석을 제시한다.
도 15d는 인간 공여자로부터 단리된 윤부 상피 세포의 ABCB5(+)-보강 및 ABCB5(-)-보강 하위집단의 순도 및 생존율을 도시하는 분류-후 분석을 제시한다. 생존율은 DAPI를 제외한 세포의 백분율로 제시된다.
도 16은 유도된 윤부 줄기 세포 결핍 (LSCD) 제공에 이어 하기 동계 뮤린 윤부 상피 세포 하위집단: (i) 세포 무함유 (음성 대조군), (ii) ABCB5(+) 세포, (iii) ABCB5(-) 세포 또는 (iv) 비분리 세포 함유 공여자 피브린 겔 이식물의 생착 5주 후 수용자 C57BL/6J 마우스의 대표적인 H&E 복합 각막 단면을 제시한다. 정상 비치료 각막 (LSCD 없음)은 양성 대조군으로서 제공하였다. 양성 대조군은 전형적인 중층 각막 상피 및 홍채각막각을 디스플레이한다. 세포 무함유 이식물을 제공받은 마우스는 LSCD 후에 발생하는 전형적인 결막화를 디스플레이하였고, 즉 비중층 결막 상피가 광범위한 염증, 신생혈관화 및 기질 부종을 갖는 각막을 덮는다. 유착 (홍채가 각막에 부착된 경우)은 전형적인 심한 전안부 염증이다. 대조적으로, ABCB5(-) 세포는 그렇지 않지만, ABCB5(+) 세포의 이식물을 제공받은 마우스는 어떠한 염증, 신생혈관화, 기질 부종, 또는 유착의 증거없이 회복된 중층 각막 상피를 디스플레이하였다. 비분리 윤부 상피 세포의 이식물을 제공받은 마우스는 비중층 상피를 갖는 기질 부종 영역을 디스플레이하였고, 다른 각막 부분은 정상 중층 상피 세포를 함유하였다.
도 17은 LSCD 유도에 이어 하기 인간 윤부 상피 세포 하위집단: (i) 세포 무함유 (음성 대조군), (ii) ABCB5(+) 세포, (iii) ABCB5(-) 세포, 및 (iv) 비분리 세포 함유 공여자 피브린 겔 이식편의 5주 후 수용자 면역결핍 NSG 마우스의 대표적인 H&E 복합 각막 단면을 제시한다. 정상 비치료 NSG 각막 (LSCD 없음)은 양성 대조군으로서 제공하였다. 양성 대조군은 전형적인 중층 각막 상피 및 홍채각막각을 디스플레이한다. 세포 무함유 이식물을 제공받은 마우스는 LSC 결핍 후에 발생하는 결막화의 증거를 디스플레이하였고, 즉 비중층 결막 상피가 광범위한 신생혈관화 및 유착을 갖는 각막을 덮는다 (전안부 염증은 NSG 마우스에서 그의 면역결핍으로 인해 소거됨). 대조적으로, ABCB5(+) 세포를 함유하는 이식물을 제공받은 마우스는 회복된 중층 상피 영역을 디스플레이한 반면에서, ABCB5(-) 세포 이식편을 제공받은 마우스는 그렇지 않았다.
도 18은 LSCD 유도에 이어 하기 동계 뮤린 윤부 상피 세포 하위집단: (i) 세포 무함유 (음성 대조군), (ii) ABCB5(+) 세포, (iii) ABCB5(-) 세포, 또는 (iv) 비분리 세포 함유 공여자 피브린 겔 이식편의 5주 후 수용자 C57BL/6J 마우스의 대표적인 면역형광 Krt12 염색 (녹색)을 제시한다. 여기서 양성 대조군으로서 제시된 정상 비치료 뮤린 각막 (LSCD 없음)은 높은 강도의 KRT12 염색을 디스플레이하였다. 예상된 바와 같이, 세포 무함유 이식편을 제공받은 마우스는 어떠한 KRT12 발현도 디스플레이하지 않았다. 대조적으로, ABCB5(+) 세포를 이식받은 마우스는 비분리 윤부 상피 세포를 이식받은 마우스와 비교하여 유의하게 증진된 KRT12 발현을 나타내었다. ABCB5(-) 세포를 이식받은 마우스에서는 어떠한 KRT12 발현도 검출되지 않았다. 백색 박스는 40x 배율로 제시된 영역을 도시한다. 몽타주 영상은 10x 배율로 제시된다.
Claims (56)
- 단리된 ABCB5(+) 안구 줄기 세포의 집단을 안구 병태를 갖는 대상체에서 안구 세포를 재생시키는데 유효한 양으로 포함하며, 여기서 상기 집단이 적어도 90% 단리된 ABCB5(+) 안구 줄기 세포를 포함하는, 안구 병태를 갖는 대상체를 치료하기 위한 조성물.
- 제1항에 있어서, 안구 병태가 각막 질환, 망막 질환 또는 안구 상처인 조성물.
- 제2항에 있어서, 각막 질환이 윤부 줄기 세포 결핍 (LSCD)으로 인한 실명인 조성물.
- 제2항에 있어서, 망막 질환이 황반 변성 또는 망막염인 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 단리된 ABCB5(+) 안구 줄기 세포가 안구 이식편으로서 투여되는 것인 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 단리된 ABCB5(+) 안구 줄기 세포가 동종 줄기 세포, 동계 줄기 세포, 단리된 ABCB5(+) 인간 안구 줄기 세포, 또는 ABCB5(+) 윤부 줄기 세포인 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 단리된 ABCB5(+) 안구 줄기 세포가 투여 전에 생체외 확장된 것인 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 대상체에게 1 내지 107개의 단리된 ABCB5(+) 안구 줄기 세포가 이식에 의해 투여되는 것인 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 단리된 ABCB5(+) 안구 줄기 세포가 운반체 또는 기질과 함께 투여되는 것인 조성물.
- 제9항에 있어서, 기질이 피브린 겔, 양막, 아미노글리칸 또는 그의 조합을 포함하는 것인 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 대상체가 포유동물 또는 인간인 조성물.
- 안구 세포의 혼합 집단을 제공하는 단계, 및
인간 ABCB5에 선택적으로 결합하는 항체를 이용하여 상기 혼합 집단으로부터 ABCB5(+) 윤부 줄기 세포를 단리하는 단계
를 포함하는, 안구 세포의 혼합 집단으로부터 윤부 줄기 세포를 단리하는 방법. - 기질을 단리된 줄기 세포로 시딩하여 안구 이식편을 생성하는 단계
를 포함하고, 여기서 상기 줄기 세포의 적어도 90%가 단리된 ABCB5(+) 안구 줄기 세포인, 대상체로의 이식을 위한 안구 이식편을 생성하는 방법. - 제13항에 있어서, 단리된 ABCB5(+) 안구 줄기 세포가 시딩 단계 전에 생체외 확장된 것인 방법.
- 제13항에 있어서, 기질이 피브린 겔, 양막, 아미노글리칸 또는 그의 조합을 포함하는 것인 방법.
- 대상체로의 이식을 위한 단리된 ABCB5(+) 줄기 세포로 보강된 안구 이식편으로서, 여기서 상기 단리된 ABCB5(+) 줄기 세포가 ABCB5(+) 안구 줄기 세포일 수 있고, 상기 안구 이식편에서 줄기 세포의 적어도 90%가 ABCB5(+) 안구 줄기 세포인 안구 이식편.
- 단리된 ABCB5(+) 윤부 줄기 세포를 안구 세포 재생을 촉진하는데 유효한 양으로 포함하고, 여기서 상기 단리된 ABCB5(+) 윤부 줄기 세포는 안구 이식편으로서 대상체에게 투여될 수 있고, 상기 조성물에서 줄기 세포의 적어도 90%가 ABCB5(+) 윤부 줄기 세포인, 안구 세포 재생을 촉진하기 위한 조성물.
- 제17항에 있어서, 단리된 ABCB5(+) 윤부 줄기 세포가 동종 줄기 세포, 동계 줄기 세포 또는 단리된 ABCB5(+) 인간 윤부 줄기 세포인 조성물.
- 제17항에 있어서, 단리된 ABCB5(+) 윤부 줄기 세포가 투여 전에 생체외 확장된 것인 조성물.
- 제17항에 있어서, 대상체에게 1 내지 107개의 단리된 ABCB5(+) 윤부 줄기 세포가 이식에 의해 투여되는 것인 조성물.
- 제17항에 있어서, 대상체가 포유동물 또는 인간인 조성물.
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