KR102424237B1 - 치료용 포유동물 세포의 경구 전달 - Google Patents
치료용 포유동물 세포의 경구 전달 Download PDFInfo
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- KR102424237B1 KR102424237B1 KR1020217016401A KR20217016401A KR102424237B1 KR 102424237 B1 KR102424237 B1 KR 102424237B1 KR 1020217016401 A KR1020217016401 A KR 1020217016401A KR 20217016401 A KR20217016401 A KR 20217016401A KR 102424237 B1 KR102424237 B1 KR 102424237B1
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Abstract
Description
도 2는 세포 장입된 캡슐의 경구 전달 및 회장 및 결장에의 그것의 제시된 배치의 대표적이고 비제한적인 개략도를 예시한다. 단일 캡슐 단상성 전달(좌측) 또는 캡슐 내의 캡슐 이상성 전달(우측)에서의 치료용 포유동물 생세포는 경구로 취해져 구강, 식도, 및 십이지장을 통해 이동될 것이고, 나타난 바와 같이 보호 장용 코팅이 코팅 해제되어, pH 7.3-8에서 표적화된 회장에서, 이후 pH 5.5-6.5의 결장에서 세포 배치가 실행된다.
도 3은 경구 세포 전달 캡슐에 대한 잠재적인 설계의 대표적인 개략도를 예시한다. 비제한적으로 줄기 세포를 포함하는 치료용 포유동물 생세포는 좌측의 단일 캡슐 단상성 전달 계획에서 적절하게 공급되고, 제조되고, 매트릭스에 장입되거나 또는 혼화되고, 캡슐로 패키징되고, 장용 코팅(들)으로 최종 처리될 것이다. 대안적으로, 비제한적으로 줄기 세포를 포함하는 치료용 포유동물 생세포는 하나의 캡슐에 패키징되기 전에 적절하게 공급되고 제조되고, 매트릭스에 장입되거나 또는 혼화될 것이다. 이후, 제2 용량의 생세포는 우측의 캡슐 내의 캡슐 이상성 전달 계획에서 보여지는 바와 같이 매트릭스에서 혼화되고, 그 다음 제1 캡슐에 장입되는 캡슐에 패키징될 것이다.
도 4는 중간엽 줄기 세포 응집체는 매트릭스에서 생존가능하게 유지되는 것을 예시한다. 나타난 바와 같이, 매트릭스에 매립된 MSC는 실험 전반에서 대략 95% 생존도를 유지하였다(막대). 세포 밀도는 대략적으로 배양 기간에 걸쳐 이러한 조건 하에 두배가 되었다(선).
도 5는 생세포가 소장의 pH에 대해 노출된 이후에 캡슐로부터 유일하게 방출되는 것을 나타낸다.
도 6은 도 5에서 방출되는 중간엽 줄기 세포가 pH-제어 방출 후 생존가능하게 유지되는 것을 나타낸다.
도 7은 중간엽 줄기 세포가 pH-제어 방출 후 면역 조절 활성을 유지하는 것을 나타낸다. 이전 작업에 기초하여, 2배 더 큰 유전자 활성화는 면역 조절 활성에 있어서 합격을 나타내고, 반면 2 미만은 불합격이다.
도 8은 장용 코팅된 캡슐에서의 경구 전달된 인간 중간엽 줄기 세포의 생체내분포는 장용 코팅된 캡슐로부터의 세포 방출을 평가하기 위해 사용될 수 있다. 좌측 막대 그래프는 대표적인 세포수(x103)를 도시한다. 우측 막대 그래프는 최대 2시간까지 대표적인 곡선하 면적(AUC)을 도시한다.
도 9는 크론병 유사 회장염 마우스 모델에서의 경구 MSC 요법으로 처리한 마우스의 조직학적 평점을 예시한다.
도 10은 경구 투여(n=3/ea) 이후 마우스에서의 비코팅된 및 코팅된 캡슐에 의해 전달되는 생세포에 대한 약동학 파라미터의 요약을 나타낸다. 세포의 최대 방출 프로파일은 세포의 최대 회수를 위해 경과된 시간으로서 표현된다. 세포 생존도를 트리판 블루 배제 검정에 의해 평가하였다. 세포 능력을 항-염증성 마커 CXCL9의 회수된 세포에서의 cDNA 발현에 의해 평가하였다.
Claims (42)
- 개체에게의 경구 전달을 위해 제제화된 살아있는 포유동물 세포의 조성물로서, 상기 조성물은 (a) 장용 코팅, (b) 1.0%(부피 대비 중량, w/v) 내지 2.0%(w/v) 메틸 셀룰로오스 및 1.0%(w/v) 내지 2.0%(w/v) 알기네이트 젤을 포함하는 매트릭스, 및 (c) 복수의 살아있는 포유동물 중간엽 줄기 세포를 포함하며, 여기서 복수의 살아있는 포유동물 중간엽 줄기 세포는 매트릭스에 현탁되며, 장용 코팅은 매트릭스에 현탁된 살아있는 포유동물 중간엽 줄기 세포를 둘러싸는 조성물.
- 제1항에 있어서, 매트릭스는 1.3%(w/v) 내지 1.8%(w/v) 메틸셀룰로오스 및 1.3%(w/v) 내지 1.8%(w/v) 알기네이트 젤을 포함하는 조성물.
- 제2항에 있어서, 매트릭스는 1.5%(w/v) 메틸셀룰로오스 및 1.5%(w/v) 알기네이트 젤을 포함하는 조성물.
- 제1항에 있어서, 메틸 셀룰로오스 및 알기네이트 젤은 1:1의 비로 존재하는 조성물.
- 제1항에 있어서, 장용 코팅은 메틸 메타크릴레이트-메타크릴산 공중합체(1:1)를 포함하는 조성물.
- 제1항에 있어서, 장용 코팅은 본질적으로 메틸 메타크릴레이트-메타크릴산 공중합체(1:1)로 이루어지는 조성물.
- 제1항에 있어서, 복수의 살아있는 포유동물 중간엽 줄기 세포는 10,000 내지 천만개의 살아있는 세포를 포함하는 조성물.
- 제1항에 있어서, 복수의 살아있는 포유동물 중간엽 줄기 세포는 인간 세포를 포함하는 조성물.
- 제1항에 있어서, 복수의 살아있는 포유동물 중간엽 줄기 세포는 비-인간 세포를 포함하는 조성물.
- 제9항에 있어서, 비-인간 동물 세포는 갯과 세포, 솟과 세포, 고양잇과 세포, 돼짓과 세포, 말과 세포, 또는 양과 세포로부터 선택되는 조성물.
- 제1항에 있어서, 살아있는 포유동물 중간엽 줄기 세포는 유형 1 중간엽 줄기 세포인 조성물.
- 제1항에 있어서, 살아있는 포유동물 중간엽 줄기 세포는 유형 2 중간엽 줄기 세포인 조성물.
- 제1항에 있어서, 24℃에서 적어도 14일 동안 80% 초과의 생존도로 복수의 살아있는 포유동물 중간엽 줄기 세포의 생존도를 보존하는 조성물.
- 제1항에 있어서, 매트릭스는 세포외 기질 단백질을 더 포함하는 조성물.
- 제14항에 있어서, 세포외 기질 단백질은 콜라겐을 포함하는 조성물.
- 제1항 내지 제15항 중 어느 한 항에 있어서, 인간에서의 위장 염증성 또는 자가면역 장애의 치료에 사용하기 위한 것인 조성물.
- 제16항에 있어서, 위장 염증성 또는 자가면역 장애는 염증성 장질환 또는 크론병을 포함하는 조성물.
- 제16항에 있어서, 위장 염증성 또는 자가면역 장애는 크론병을 포함하는 조성물.
- 제1항 내지 제15항 중 어느 한 항에 있어서, 동물에서의 위장 염증성 또는 자가면역 장애의 치료에 사용하기 위한 것인 조성물.
- 제19항에 있어서, 동물은 개, 소, 고양이, 돼지, 말, 또는 양 중의 어느 하나 이상인 조성물.
- 복수의 살아있는 포유동물 중간엽 줄기 세포를 1.0%(w/v) 내지 2.0%(w/v) 메틸 셀룰로오스 및 1.0%(w/v) 내지 2.0%(w/v) 알기네이트 젤을 포함하는 매트릭스와 혼합하여 세포-매트릭스를 제공하는 단계, 및 장용 코팅을 세포-매트릭스에 적용하는 단계를 포함하는, 경구 전달을 위해 제제화된 살아있는 포유동물 중간엽 줄기 세포의 조성물의 제조 방법.
- 제21항에 있어서, 매트릭스는 1.3%(w/v) 내지 1.8%(w/v) 메틸셀룰로오스 및 1.3%(w/v) 내지 1.8%(w/v) 알기네이트 젤을 포함하는 제조 방법.
- 제21항에 있어서, 매트릭스는 1.5%(w/v) 메틸셀룰로오스 및 1.5%(w/v) 알기네이트 젤을 포함하는 제조 방법.
- 제21항에 있어서, 메틸 셀룰로오스 및 알기네이트 젤은 1:1의 비로 존재하는 제조 방법.
- 제21항에 있어서, 장용 코팅은 메틸 메타크릴레이트-메타크릴산 공중합체(1:1)를 포함하는 제조 방법.
- 제21항에 있어서, 복수의 살아있는 포유동물 중간엽 줄기 세포는 10,000 내지 천만개의 살아있는 세포를 포함하는 제조 방법.
- 제21항에 있어서, 복수의 살아있는 포유동물 중간엽 줄기 세포는 인간 세포를 포함하는 제조 방법.
- 제21항에 있어서, 복수의 살아있는 포유동물 중간엽 줄기 세포는 비-인간 세포를 포함하는 제조 방법.
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