KR20240024322A - 줄기 세포 배양을 위한 유도 배지 및 방법 및 요법 - Google Patents
줄기 세포 배양을 위한 유도 배지 및 방법 및 요법 Download PDFInfo
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Abstract
Description
도 2는 qPCR을 사용하여 도 1의 실험으로부터 선택된 유전자를 확인하는 것을 보여주는 것이다. 오차 막대는 SEM을 나타낸다.
도 3은 TLR4 리간드(MSC1), 또는 TLR4 리간드 + EPO 및 염화코발트(MSC1*) 처리 후의 MSC 세포에서의 IL-6 및 IL-8 분비 유도를 보여주는 것이다.
도 4는 TLR3 리간드(MSC2), 또는 TLR3 리간드 + EPO 및 염화코발트(MSC2*) 처리 후의 MSC 세포에서의 CCL5 및 CXCL10 분비 유도를 보여주는 것이다.
도 5는 TLR4 리간드(* 표시가 없는 것), 또는 TLR4 리간드 + EPO 및 염화코발트(* 표시가 있는 것) 처리 후의, 다른 인간 기증자로부터의 MSC 세포에서의 TNFSF10(TRAIL) 발현에 의한, MSC1 표현형 유도를 보여주는 것이다.
도 6은 TLR3 리간드(* 표시가 없는 것), 또는 TLR3 리간드 + EPO 및 염화코발트(* 표시가 있는 것) 처리 후의, 다른 인간 기증자로부터의 MSC 세포에서의 CXCL9 발현에 의한, MSC2 표현형 유도를 보여주는 것이다.
도 7은 TLR4 리간드(MSC1), 또는 TLR4 리간드 + EPO 및 염화코발트(MSC1*) 처리 후의, 시간 경과에 따른 MSC로부터의 MSC 세포에서의 TNFSF10(TRAIL) 발현 유도를 보여주는 것이다.
도 8은 TLR3 리간드(MSC2), 또는 TLR3 리간드 + EPO 및 염화코발트(MSC2*) 처리 후의, 시간 경과에 따른 MSC로부터의 MSC 세포에서의 CXCL9 발현 유도를 보여주는 것이다.
도 9는 TLR4 리간드(MSC1), TLR4 리간드 + EPO 및 염화코발트(MSC1*), TLR3 리간드(MSC2), 및 TLR3 리간드 + EPO 및 염화코발트(MSC2*)로 자극을 받은 MSC와 비교하여 자극을 받지 않은 MSC(음성 대조군)에 대한 트랜스웰 이동 검정법을 보여주는 것이다. 오차 막대는 SEM을 나타낸다.
도 10은 TLR4 리간드(MSC1), TLR4 리간드 + EPO 및 염화코발트(MSC1*), TLR3 리간드(MSC2), 및 TLR3 리간드 + EPO 및 염화코발트(MSC2*)로 자극을 받은 MSC와 비교하여 자극을 받지 않은 MSC(음성 대조군)에 대한 세포 증식/생존능 검정법을 보여주는 것이다. 오차 막대는 SEM을 나타낸다.
도 11은 TNFSF10(TRAIL) 발현을 측정하는 qPCR 검정법 확인을 나타낸 것으로: 이는 TNFSF10(TRAIL) 프라이머 PCR 증폭 생성물의 아가로스 겔을 보여주는 것이다.
도 12(A)는 MSC2로 분극화된 MSC에서의 시간 경과에 따른 CXCL9 발현을 보여주는 것이고; (B)는 CXCL9 프라이머 PCR 증폭 생성물의 아가로스 겔을 보여주는 것이다.
Claims (18)
- 자극을 받지 않은 중간엽 줄기 세포 집단으로부터 면역학적으로 분극화된 중간엽 줄기 세포 집단을 생성하는 방법으로서, 상기 방법은
(a) 톨 유사 수용체 3(TLR3) 리간드, 및
(b) 에리트로포이에틴을 포함하는 배지에서, 저산소 조건 하에서 자극을 받지 않은 중간엽 줄기 세포 집단을 배양하는 단계를 포함하고,
상기 면역학적으로 분극화된 중간엽 줄기 세포 집단은 항염증성 또는 면역억제성 매개인자의 발현으로 특징지어지는 항염증 특성을 갖는 것인 방법. - 제1항에 있어서, 상기 중간엽 줄기 세포가 인간 중간엽 줄기 세포인 방법.
- 제1항에 있어서, 상기 중간엽 줄기 세포가 다능성 줄기 세포로부터 유래된 것인 방법.
- 제1항에 있어서, 상기 저산소 조건이 0.5-2% 산소를 포함하는 것인 방법.
- 제1항에 있어서, 톨 유사 수용체 3(TLR3) 리간드가 폴리(I:C)인 방법.
- 제1항에 있어서, 톨 유사 수용체 3(TLR3) 리간드가 폴리(A:U)인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, TLR3 리간드가 0.1 ㎍/mL 내지 100 ㎍/mL의 농도로 존재하는 것인 방법.
- 제7항에 있어서, TLR3 리간드가 2 ㎍/mL의 농도로 존재하는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 에리트로포이에틴이 10 ng/ml 미만의 농도로 존재하는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 배지가 인터루킨 4(IL-4)를 추가로 포함하는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 배지가 인터루킨 13(IL-13)을 추가로 포함하는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 배지가 인간 또는 동물 기원의 혈청을 포함하지 않는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 배지가 농축 용액으로부터 수득되는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 자극을 받지 않은 중간엽 줄기 세포 집단은 TLR3 리간드 및 에리트로포이에틴과 동시에 접촉되는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 자극을 받지 않은 중간엽 줄기 세포 집단은 적어도 30분, 그러나 8시간 미만 동안 배양되는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, CXCL9의 발현을 RNA 또는 단백질 수준에서 모니터링하는 단계를 추가로 포함하는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, OAS1의 발현을 RNA 또는 단백질 수준에서 모니터링하는 단계를 추가로 포함하는 것인 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, ISG15의 발현을 RNA 또는 단백질 수준에서 모니터링하는 단계를 추가로 포함하는 것인 방법.
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