KR20230110839A - 결장 유사장기 및 이를 제조 및 사용하는 방법 - Google Patents
결장 유사장기 및 이를 제조 및 사용하는 방법 Download PDFInfo
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- KR20230110839A KR20230110839A KR1020237024207A KR20237024207A KR20230110839A KR 20230110839 A KR20230110839 A KR 20230110839A KR 1020237024207 A KR1020237024207 A KR 1020237024207A KR 20237024207 A KR20237024207 A KR 20237024207A KR 20230110839 A KR20230110839 A KR 20230110839A
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Abstract
Description
당업자라면 아래에 설명된 도면이 단지 예시적인 목적을 위한 것임을 이해할 것이다. 도면은 어떤 식으로든 본 교시의 범위를 제한하지 않는다.
도 1. Bmp 신호 전달은 마우스 및 개구리 배아에서의 Satb2 발현을 조절한다. (a) 발달중인 후장(hindgut)(n=6) 주위의 핵 염색을 보여주는 e8.5 마우스 배아의 온조직 표본고정 pSmad158(적색) 및 Foxa2(녹색) 염색. (b) 후장 중배엽과 내배엽(D, 등쪽, V, 복부)에서 pSmad1/5/8 염색을 보여주는(a)의 박스 부위에서 광학 조각의 삽도. (c) 머리주름(headfold)단계에서 단리되고 DMH-1로 2일 +/-BMP 억제에 대해 배양된 마우스 배아의 도식. 배양 48 시간 DMSO(0) 및 DMH-1(E) 처리된 배아의 온조직 표본고정 pSmad1/5/8(적색) 및 Foxa2(녹색) 염색. (f) DMSO 또는 DMH-1에서 배양된 배아에서의 Cdx2에 대하여 pSmad1/5/8 및 pSmad2/3 염색의 정량(조건 당 3 마리의 배아). (g~j) DMSO(g, h) 또는 DMH-1(i, j)에서 배양 2 일 후 마우스 배아(각 조건에 대해 n=6)의 Cdx2(녹색), Satb2(적색) 및 Foxa2(흰색)의 온조직 표본고정 면역 염색. h~j에서의 화살표는 난황 자루(BA1, 첫 번째 상완 아치)의 대략적인 위치를 가리킨다. (k) DMSO 또는 DMH-1로 처리한 마우스 배아에서의 Satb2 발현의 정량화. (l) 제노푸스 트로피칼리스(손톱개구리속) 배아에서 Bmp 억제의 도식. DMSO(m) 또는 DMH-1(r)로 처리한 제노푸스 트로피칼리스(손톱개구리속) 배아에서의 Satb2의 원위치 하이브리드화. (m)과(r)의 흰색 점선은 후속 분석에 사용된 단면 평면을 나타낸다. 첫 번째 상완 아치의 Mx와 md=상악과 하악 과정. Cba=꼬리 상완 아치. DMSO(n~q) 또는 DMH-1(s~v)로 처리한 제노푸스 트로피칼리스(손톱개구리속) 배아의 Satb2(적색), pSmad1/5/8(녹색), DAPI(파란색) 및 색 병합 이미지의 면역 형광. g~h에서 100μm, 다른 모든 패널에서 50μm의 스케일 막대. 2 꼬리 t-검정의 경우, **p <0.01 및 ***p 0.001.
도 2. BMP2는 사람의 장의 관 회전 타원체에서 SATB2와 후방의 HOX 코드를 유도한다. (a) 장의 관 회전 타원체 패턴화 프로토콜의 도식. (b~d) NOGGIN(b), 미처리(c) 및 BMP2(d)로 12 시간 동안 처리된 회전 타원체의 pSMAD1/5/8(적색) 염색에 의해 측정된 BMP 신호 수준. (e) 성체 마우스 결장의 pSmad1/5/8 염색은 음낭 상단으로 증가된 BMP 신호 전달을 나타낸다. (f~h) NOGGIN(f), 미처리(g) 및 BMP2(h)로 72 시간 동안 처리된 회전 타원체에서 SATB2의 발현. (i) 패턴화 후 SATB2 + CDH1 + 상피의 비율을 정량화. (j) 3일간의 패턴화 후 초기 회전 타원체 및 회전 타원체의 주요 구성 요소 분석. (k) BMP 대 NOG 처리된 회전 타원체 사이에 차별적으로 발현된 유전자의 유전자 온톨로지(존재론) 분석. (l) 패턴화 전후의 회전 타원체의 TPM(백만당 전사) 값. 분석한 샘플은 패턴화 이전의 회전 타원체(n=2)였고, 패턴화 3 일 후에 NOGGIN, 대조군 및 BMP2 처리된 회전 타원체(각 그룹에 대해 n=4)였다. i에서의 정량화를 위해, 적어도 3 회의 실험으에서 20 개의 유사장기가 검사되었다. 오류 막대는 SD를 나타낸다. 스케일 막대=50 미크론. **** ps 0.0001은 2개 꼬리 t-검정에 의해 결정됨.
도 3. 부위별 패턴화는 장기간의 체외 배양 후 인간 장내 유사장기에서 유지된다. (a~d) NOGGIN, 대조군 또는 BMP2로 회전 타원체를 처리한 결과로 28 일된 유사장기의 근위 표지자 ONECUTI(녹색)를 이용한 온조직 표본고정 면역형광법 및 QPCR 분석. CDX2(적색) 및 DAPI(청색)를 이용한 염색은 또한 상피와 중간엽을 검출하는데 사용되었다. (e~h) IF 및 QPCR에 의해 검출된 후방 표지자 SATB2(적색)의 발현. (i~l) IF와 QPCR에 의한 전범위 배상 세포 표지자 MUC2(적색)의 분석. (m~p) IF에 의한 결장 특이 배상 세포 표지자 MUC5B(적색)의 분석. (p)에서 MUC5B + 세포의 수를 정량화 하였다. (q~s) 전체 유사장기에 비해 단리된 중간엽 배양물의 패턴화 표지자의 분석. 전체 유사장기에서 및 NOGGIN, 대조군 또는 BMP2 처리된 유사장기에서 유래된 중간엽 배양물에서 CDH1(q), 근위 HOX 유전자 HOXD3(r) 및 원위 HOX 유전자 HOXA13(s)의 QPCR 분석. CDH1은 상피 세포를 포함한 전체 유사장기에서만 관찰되었다. 오차 막대는 SEM을 나타낸다. IF의 경우, 적어도 3 가지 실험에서 최소 10 개의 유사장기가 각 조건에 대해 조사되었다. QPCR의 경우, 2 개의 개별적인 실험에서 최소 5 개의 생물학적 복제물이 조사되었다. 스케일 막대=100 미크론. **p5 0.01 및 ****p5 0.0001(꼬리 t-검정에 의해 결정됨).
도 4. HIO는 아니지만, HCO는 내분비 생산 관련(proendocrine) 전사 인자 NEUROGENIN 3의 발현에 반응하여 결장 특이적 장 내분비 세포를 생산하였다. (a~b) IPSC72.3 유도성 NEUROG3 세포주를 생산하기 위해 사용되는 독시사이클린 유도성 NEUROG3 렌티바이러스 구성체 및 독시사이클린 유도 프로토콜의 도식. NOGGIN(c, f), 미처리(d, g) 또는 BMP(e, h)로 패턴화된 35 일된 유사장기의 크로마그라닌 A(녹색), CDX2(적색) 및 INS L5(흰색)로의 온조직 표본고정 염색. (c~e) 미처리 유사장기(-Dox) 및(f~h) NEUROG3(+Dox)가 발현된 유사장기. e와 h의 삽도는 INSL5 염색의 확대보기를 보여준다. (i, j) CHGA(i) 및 INSL5(j) 발현에 의해 측정된 HIO 및 HCO 내의 장내 구획 세포의 NEUROG3 유도의 QPCR 분석. 데이터는 NOGGIN(n=3), 대조군(n=3) 또는 BMP(n=6) 처리된 유사장기로의 2 가지 실험을 대표한다. 오차 막대는 SEM을 나타낸다. 스케일 막대=50 미크론. *p <0.05( 2가지 꼬리 t-검정에 의해 결정됨).
도 5. HIO 및 HCO는 체내 이식 후 부위적 동일성을 유지하였다. (a~e) 인간의 공장 및 결장에서 생검 및 마우스 신피막 아래에 이식하고 체내에서 8~10 주 동안 성장된 NOGGIN 유래 HIOs, 대조군 HIOs, 그리고 BMP2 유래 HCO의 H & E 염색. 동일한 조건의 샘플이 근위 장 표지자 ATA4(f~j), 원위 장 표지자 SATB2(k-0), 파네스(Paneth) 세포 표지자 DEFAS(p~t) 및 결장-특이 배상세포 표지자 MUC5B(u~y)로 염색되었다. GATA4 및 SATB2 이중 염색이 다른 채널에서, 그러나 패널에 대해서는 동일한 슬라이드에서 수행되었지만(f-0), 개별 유사 색상(빨간색) 이미지로 표시된다. 인간 생검의 경우, n=2이었다. 이식된 NOGGIN 처리 유사장기의 경우, n=12이고, 대조군 유사장기의 경우 n=7, BMP2 처리 유사장기는 n=16이었다. 스케일 막대=50 pm.
도 6. 체내 성장 유사장기는 부위 특이성 호르몬을 발현한다. 마우스 신피막 아래에서 8~10주 동안 성장시킨 HIOs 및 HCO에서 부위별로 발현된 호르몬(a~d) 그렐린(GHRL), 모티린(MLN), (e~h) GIP, (i~l) GLP-1, (m~p) PYY 및 (q~t) INSL5의 발현의 분석. 근위 농축된 호르몬인 GHRL, GIP 및 MLN은 NOGGIN및 대조군 HIO에서 풍부하였다(a~h). GLP-1과 PYY는 BMP2 유래 HCO에 풍부하였다(1-0). 결장 특이성 호르몬 INSL5는 HCO에만 존재했다(q~t). 데이터는 조건 당 최소 5 개의 이식된 유사 장기를 대표한다. (a)와 (b)의 삽도는 GHRL과 MLN 이중 양성 세포를 보여준다. GHRL, MLN, GIP, GLP1, PYY 및 INSL5에 대한 (D, H, L, P, T)FPKM 값은 RNA-seq 데이터에서 유래되었다. FPKM 값은 조건 당 3 개의 생물학적 복제를 나타낸다. 스케일 막대=30 마이크론.
도 7. HIO 및 HCO의 전체적 전사 분석 및 인간의 소장 및 결장과의 비교. (a) 이식된 HIO 및 HCO와 비교하여, 인간 성인 및 태아 소장 및 결장의 주성분 분석. (b) 초기 대장 측정은 인간 성인 소장과 HIOs의 비교 및 인간 성인 결장과 HCO를 비교하는 초기하 수단 검사(Hypergeometric means test). (c) HIO 및 HCO와 비교하여, 인간의 소장 및 결장에서 차별적으로 발현된 전사물을 비교하는 4-방향 산점도(scatter plot).
도 8. Gata4와 Satb2는 소장 및 대장의 발달 동안 신중한 부위 경계를 표시한다. (a) 난황 줄기(n=9)에서 발현 경계를 보여주는 e9.5 마우스 배아에서 Gata4(녹색)와 Satb2(빨간색)의 온조직 표본고정 염색. (b) 낮은 Gata4 및 낮은 Satb2 발현의 이행부위를 나타내는 el 1.5 장의 Gata4 및 Satb2 발현 부위를 묘사하는 모델. (c~e) 난황 줄기에서 Gata4의 후궁 경계와 Satb2의 전 경계를 보여주는 e11.5 마우스 배아에서의 Gata4와 Satb2의 온조직 표본고정 염색(n=3). (f~h) Satb2 발현의 전 경계가 유지되는 것을 보여주는 el 2.5 마우스 배아에서 Satb2 및 Foxa2의 온조직 표본고정 염색(n=3). (i) e1 6.5 마우스 배아(n=6)에서 단리된 근위 소장 및 대장에서 Gata4 및 Satb2의 온조직 표본고정 염색. (j) e1 6.5 마우스 배아(n=6)에서 단리된 원위 소장 및 대장에서 Gata4 및 Satb2의 온조직 표본고정 염색. (k) 사람의 공장(n=2)과 (l) 결장(n=2)의 섹션에서 GATA4와 SATB2의 염색. 스케일 막대=50μm(b~d) 및 100 1Am(e~m). (c)와 (f)의 점선은 배꼽의 대략적인 위치를 표시한다. 약어:ys, 난황 줄기; cb, 맹장싹; tz, 이행부위; mx, 상악; 및 md, 첫 번째 상완 아치의 하악 부분; ti, 말단 회장; icj, 회맹부 교차점.
도 9. SATB2는 GATA4 음성의 인간 소장 및 대장에서 발현된다. SATB2 발현이 원위 소장 및 전체 대장에 존재함을 보여주는 인간 성인 십이지장, 소장, 맹장, 결장 및 직장에서의 SATB2 염색. 인간 성인 및 태아 장 샘플에서 발표된 RNA-seq 데이터의 GATA4 및 SATB2 분석. 플롯된 샘플에는 인간 성인 십이지장(HuSI_Duo_A), 십이지장(HuSI_Dist_A), 인간 성인 결장(HuColon_A) 및 인간 태아 소장(HuSI_F)이 포함된다. (c) 십이지장(Duo), 공장(Jej), 회장(Ile), 상행 결장(AC), 횡행 결장(TC) 및 공기 결빙 인터페이스(ALI)에서 자라는 내림차순 결장에서 유래된 태아 장의 줄기 세포에 대한 Wang et al. 2015에 의해 생성된 마이크로어레이 데이터에서의 GATA4 및 SATB2 발현의 분석. r2 값은 Excel에서 CORREL 함수를 사용하여 결정되었다.
도 10. BMP는 후방 HOX 유전자의 SHH 활성화를 매개한다. (a) SHH-매개 후방 HOX 유전자의 이전 모델. (b) 후방 HOX 유전자의 SHH 매개 활성화 및 내배엽 HOX 유전자의 BMP-매개 활성화의 새로운 모델. (c) NOGGIN, 대조군, 평활화된 작용제(Smoothened agonist)(SAG) 또는 BMP2로의 처리 후 HOX 인자의 QPCR 분석. (d) SAG에 의해 유도된 HOX13 유전자의 BMP4 의존 활성화 모델. (e) 3 일 후에 대조군에서, 5μM SAG, 5μM SAG + NOG 및 BMP2 처리된 유사장기에서 HOXA13의 QPCR 분석. (f) 외인성 재조합 인간 BMP2에 의해 유도된 HOX13 유전자의 SHH 독립 활성화 모델. (g) 3 일 후, 대조군, BMP 및, BMP + 사이클로파민으로 처리된 유사장기에서 HOXA13의 QPCR 분석(조건 당 n=6).
도 11. 연장된 체외 배양은 배상 세포의 성숙을 가능하게 한다. (a) 패턴화되고 이어서 다시 패턴화된 유사장기에서 CDX2 + SATB2 + 세포의 비율의 정량화. 28일된 유사장기에서 HOXB13(b) 및 HOXD13(c)의 QPCR 분석. (d~f) 44 일된 NOGGIN, 대조군 및 BMP로 처리된 유사장기에서 CDH1(녹색), CDX2(적색) 및 MUC2(흰색)로 온조직 표본고정 염색 및 (G1) 단면 염색. (j~l) 44 일된 BMP2 처리된 유사장기의 절편 염색. 흰색 화살표는 Mucin 2를 분비하는 중이던 배상 세포를 가리킨다. QPCR의 경우, 2 개의 개별적인 실험에서 유래된 최소 5 개의 생물학적 복제물을 조사 하였다. IF의 경우, 조건 당 최소 10 개의 유사장기를 검사하였다. 스케일 막대=50 pm.
도 12. 유사장기의 BMP 패턴화는 체외 체외 및 체내에서 안정하다. (a) NOGGIN, 대조군 및 BMP 패턴화된 유사장기의 유사장기 이식의 효율성. 이식된 패턴화된 유사장기에서 GATA4 + CDX2 + 세포(b) 및 SATB2 + CDX2 + 세포(c)의 비율의 정량화. 이식된 유사장기에서 GATA4(d) SATB2(e) DEFAS(f)와 MUCSB(g)에 대한 RNA-seq 데이터에서 유래된 FPKM 값. (h~i) 인간의 공장 및 결장 생검(부위마다 n=2) 및 (j~l)이식된 유사장기(n=5/조건)의 MUC2(적색) 염색. 스케일 막대=50 미크론.
도 13. 체외 및 체내에서 자란 유사장기는 장 전구체(조상s)를 함유한다. NOGGIN, 대조군 또는 BMP로 처리된 H9-LGR5-GFP 유래 유사장기에서 CDH1 및 GFP의 대표적인 온조직 표본 고정(a, f, k) 및 슬라이스 단면(b, g, l) 이미지. (c~e) NOGGIN, (h~j) 대조군 또는 (m~o) BMP2 처리된 유사장기 섹션의 CDX2(적색) 및 SOX9(녹색) 염색. NOGGIN, 대조군 또는 BMP로 처리된 H9-LGR5-GFP 유사장기에서 유래된 유사장기 내 에서 염색된 CDX2 및 LGR5-GFP(p, s, v), CDX2 및 SOX9(q, t, w) 및 CDH1 및 KI67(r, u, x)의 대표적인 이미지. (y~a') NOGGIN, 대조군 또는 BMP 이식체 각각에서 유래된 엔테로이드(enteroid)를 보여주는 입체 현미경 사진. (b'~d') 대조군 엔테로이드(2 개 이식체에서 유래된 > 100 풀링된 엔테로이드) 및 BMP2로 처리된 콜로니오드(1 개 이식체에서 유래된 50 개 이상의 콜로노이드)의 근위 및 원위 유전자에 대한QPCR 분석. 스케일 막대=50 μm.
도 14. 리보솜과 면역 세포 신호는 이식된 유사장기와 일차 인간 조직 간에 차별적으로 발현된다. (a) 패턴화된 이식 유사장기 및 인간 성인 및 태아 소장 및 결장의 주성분 분석. (b) 이식체에서 상향조절된 유전자와 사람의 일차 조직에 대한 유전자 존재론 분석. (c) 사람의 일차 조직과 이식체에서 상향조절된 유전자의 유전자 존재론 분석.
도 15. (a) 마트리겔에서 15 일 성장 후 HCO 온조직 표본 고정 면역형광법 염색. HCO 배양물은 내피 표지자 CD31(녹색) 및 후장 상피 표지자 CDX2(적색)에 대해 염색되었다. 배양물은 또한 조혈 세포 표지자 PU.1(빨간색 우측 패널)에 대해 염색되었다. (b) 조혈 전구 세포 분석의 도식. 세포를 HCO에서 수거하고, 원심 분리하고 Giemsa Wright 염색을 사용하여 염색하거나 또는 Methocult 배지에서 배양하여 조혈 세포 분화를 분석하였다. (c) Giemsa Wright의 대표 이미지는 대식세포, 호중구, 호염기 및 호산구로의 분화와 일치하는 형태학을 가진 세포를 염색했다. (d) Methocult에서 14 일 후에 형성된 콜로니의 대표 이미지. 적혈구, 대식 세포 및 과립구 콜로니가 HCO에서 유래된 세포에는 존재하지만, NOGGIN으로 처리된 HIO에서 유래된 세포에는 존재하지 않았다.
도 16. (a) 마트리겔에서 28 일 동안 성장한 인간 결장 생검 또는 HCO의 면역형광 염색. 염색은 대식세포의 표지자인 CD68에 대해 행해졌다. (b) HIOs 및 HCO에서 CD14 및 CD16의 CYTOF 분석 플롯. 작은 비율의 CD14 +/CD16 + 세포가 HCO(파란색 사각형)에 존재하지만, HIO에는 없다. 또한, CD16 단일 양성 세포가 HCO에 존재했는데, 이는 단구세포가 상기 배양물에 존재함을 시사한다. (c) 14 일 및 28 일된 HIO 및 HCO에서 수집된 상등액의 Luminex 어레이 분석. IL6과 IL8이 28 일된 HCO(BMP)에서는 검출되었지만 HIO에서는 검출되지 않았다. (d) 14 일 및 28 일된 HIO 및 HCO에서 수집된 상등액의 Luminex 어레이 분석. 대식세포에 특이적인 사이토킨인 MIP1A와 MIP1B가 14 일과 28 일된 HCO(BMP)에서는 검출되었지만, 14 일이나 28 일된 HIO에서는 검출되지 않았다.
항체 | 숙주 | 카탈로그 번호 | 희석 |
B-카테닌 | 토끼 | Santa Cruz #sc-7199 | 1:200 |
CDH17* | 토끼 | Sigma #HPA023616 | 1:1,500 |
Cdx2 | 쥐 | BioGenex cdx2-88 | 1:300 |
Cdx2 | 토끼 단클론성 |
Cell Marque EPR2764Y | 1:100 |
Chr-A(C20) | 염소 | Santa Cruz #sc-1488 | 1:100 |
DEFA5* | 마우스 단클론성 |
Novus BiologicalsNB 110-60002 | 1:60,000 |
E- Cadherin | 염소 | R & D #AF648 | 1:400 |
E-Cadherin(마우스 특이적) | 래트 | R & D #MAB7481 | 1:500 |
E- Cadherin | 마우스 | R & D #AF648 | 1:500 |
FoxA2 | 염소 | Santa Cruz #sc-6554 | 1:500 |
GATA4 | 염소 | Santa Cruz #sc-1237 | 1:100 |
GATA4 | 토끼 | Santa Cruz #sc-9053 | 1:100 |
GFP(녹색 형광 단백질) | 토끼 | Invitrogen #A11122 | 1:1,000 |
그렐린 | 염소 | Santa Cruz #sc-10368 | 1:500 |
GIP(가스트린 억제 폴리펩티드) | 염소 | Santa Cruz #sc-23554 | 1:500 |
GLP-1 | 마우스 | BioVision #3104-100 | 1:200 |
HNF-6(ONECUT1) | 토끼 | Santa Cruz #sc-13050 | 1:100 |
INSL5(H-110)* | 토끼 | Santa Cruz #sc-67190 | 1:100 |
KI67 | 토끼 단클론성 | Cell Marque SP6 | 1:100 |
모틸린 | 마우스 단클론성 | Santa Cruz #sc-376605 | 1:100 |
뮤신 | 토끼 | Santa Cruz #sc-20119 | 1:100 |
뮤신 | 토끼 | Santa Cruz #sc-15334 | 1:200 |
펩티드 YY | 토끼 | Abcam #ab22663 | 1:1000 |
pSmad 1/5/8(단종 및 로 교체 | 토끼 | Cell Signaling 9511S | 1:100 |
pSmad 2/3 | 토끼 | Cell Signaling 9510S | 1:100 |
SATB2 | 토끼 단클론성 | Cell Marque EP281 | 1:100 |
SATB2(SATBA4610)* | 마우스 단클론 성 | Santa Cruz #sc-81376 | 1:100 |
Sox9 | 토끼 | Millipore#AB5535 | 1:10,000 |
Alexafluor ®당나귀 항-염소 488 | 당나귀 | Life Technologies A-11055 | 1:500 |
Alexafluor ®당나귀 항- 염소568 | 당나귀 | Life Technologies A-11057 | 1:500 |
Alexafluor ®당나귀 항- 마우스 568 | 당나귀 | Life Technologies A-10037 | 1:500 |
Alexafluor ®당나귀 항-토끼 647 | 당나귀 | Life Technologies A-31573 | 1:500 |
Alexafluor ®당나귀 항-랫트 488 | 당나귀 | Life Technologies A-21208 | 1:500 |
Claims (18)
- 인간 결장 유사장기의 형성을 유도하는 방법으로서,
a. 최종 내배엽(DE)이 중장-후장 회전 타원체를 형성하기에 충분한 시간 동안, 상기 DE를 FGF 신호 전달 경로 활성화제 및 WNT 신호 전달 경로 활성화제(예:CHIRON/GSK2 억제제)와 접촉시키는 단계;
b. SATB2를 발현하는 상기 인간 결장 유사장기를 형성하기에 충분한 시간 동안, 단계 (a)의 중장-후장 회전 타원체를 BMP 활성화제 및 EGF 신호 전달 경로 활성화제와 접촉시키는 단계를 포함하는, 방법. - 제1항에 있어서, 상기 DE가 배아 줄기 세포, 배아 생식 세포, 유도된 다능성 줄기 세포, 중배엽 세포, 최종 내배엽 세포, 후방 내배엽 세포, 후장 세포 또는 이들의 조합물에서 선택되는 전구 세포에서 유래되는, 방법.
- 제1항 또는 제2항에 있어서, 상기 FGF 신호 전달 경로 활성화제가 소분자 FGF 신호 전달 경로 활성화제, 단백질 기반 FGF 신호 전달 경로 활성화제, FGF1, FGF2, FGF3, FGF4, FGF10, FGF11, FGF12, FGF13, FGF14, FGF15, FGF16, FGF17, FGF18, FGF19, FGF20, FGF21, FGF22, FGF23 또는 이들의 조합물에서 선택되는, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 WNT 신호 전달 경로 활성화제가 단백질 Wnt 신호 경로 활성화제, 소분자 Wnt 신호 전달 경로 활성화제, 바람직하게는 염화 리튬; 2-아미노-4,6-이중 치환된 피리미딘(헤테로) 아릴피리미딘; IQ1; QS11; NSC668036; DCA 베타-카테닌; 2-아미노-4-[3,4-(메틸렌디옥시)-벤질-아미노]-6-(3-메톡시페닐) 피리미딘, Wnt1, Wnt2, Wnt2b, Wnt3, Wnt3a, Wnt4, Wnt5a, Wnt5b, Wnt6, Wnt7a, Wnt7b, Wnt8a, Wnt8b, Wnt9a, Wnt9b, Wnt10a, Wnt10b, Wnt11, Wnt16, GSK3 억제제, 바람직하게는 카이론(CHIRON), 또는 이들의 조합물에서 선택되는, 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 BMP 활성화제가 BMP2, BMP4, BMP7, BMP9, BMP 경로를 활성화시키는 소분자, BMP 경로를 활성화시키는 단백질, 노긴(Noggin), 도르소몰핀, LDN189, DMH-1, 벤트로모핀, 및 이들의 조합물에서 선택되는, 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 DE가 중장-후장 회전 타원체를 형성하기에 충분한 상기 기간이 단계(a)의 상기 중장-후장 회전 타원체에 의한 CDX2의 발현에 의해 결정되는, 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 중장-후장 회전 타원체가 상기 인간 결장 유사장기를 형성하기에 충분한 상기 기간이 상기 인간 결장 유사장기의 세포에 의한 SATB2 및 CDX2의 발현에 의해 결정되는, 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 HCO가 결장 장내분비 세포(EEC)의 존재를 특징으로 하는, 방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 HCO가 음와의 존재를 특징으로 하고 실질적으로 융모가 없는, 방법.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 HCO가 결장 특이성 배상 세포를 포함하는, 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 HCO에 실질적으로 파네드(Paneth) 세포가 존재하지 않는, 방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 HCO가 결장 특이성 호르몬 INSL5를 분비하는, 방법.
- 제1항 내지 제7항 중 어느 한 항의 방법에 따라 수득된 HCO.
- 포유 동물, 바람직하게는 설치류, 바람직하게는 면역 저하된 설치류, 바람직하게는 면역 저하된 마우스의 신피막 하에 제1항 내지 제7항 중 어느 한 항의 HCO를 이식하는 단계를 포함하는, 결장 조직을 형성하는 방법.
- 대장염, 결장 암, 용종증 증후군 및/또는 과민성 대장 증후군에서 선택된 질환에 대한 잠재적인 치료제의 효능 및/또는 독성을 결정하는 방법으로, 상기 잠재적인 치료제를 제1항 내지 제12항 중 어느 한 항의 HCO와, 상기 잠재적 치료제의 효능 및/또는 독성을 결정하기에 충분한 기간 동안, 접촉시키는 단계를 포함하는, 방법.
- 제1항 내지 제15항 중 어느 한 항의 HCO를 포함하는 면역 저하된 설치류.
- 제1항 내지 제16항 중 어느 한 항의 HCO에서 유래된 장 콜로노이드(colonoid).
- 제17항에 있어서, 상기 장 유사장기에 면역 기능, 신경 분포, 혈관, 융모 및 파네드 세포 중 하나 이상이 없는, 장 유사장기.
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EP3548507A1 (en) | 2019-10-09 |
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KR102558606B1 (ko) | 2023-07-26 |
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US20190367882A1 (en) | 2019-12-05 |
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AU2021286289B2 (en) | 2023-12-14 |
US11767515B2 (en) | 2023-09-26 |
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AU2017373767A1 (en) | 2019-06-13 |
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