KR20220042340A - 로돕신 전사체에 특이적인 트랜스-스플라이싱 라이보자임 및 이의 용도 - Google Patents
로돕신 전사체에 특이적인 트랜스-스플라이싱 라이보자임 및 이의 용도 Download PDFInfo
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- ribozyme
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- rhodopsin
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Abstract
Description
도 2는 본 발명의 일 실시예에 따라 제조한, 프로모터, 트랜스-스플라이싱 라이보자임 영역, 정상 로돕신 유전자 영역을 포함하는 유전자 컨스트럭트 기본 구성을 나타내는 모식도이다.
도 3은 인 비트로 맵핑 및 세포 내 맵핑을 통한 RHO RNA의 표적 부위 선정 과정 및 그 결과를 나타낸 모식도이다.
도 4는 본 발명의 일 실시예에 따른 로돕신 RNA +59번째 염기 부위를 표적하는 트랜스-스플라이싱 라이보자임(이하, "RHO 표적 라이보자임"이라 함)을 포함하는 컨스트럭트 최적화 과정을 나타내는 모식도이다.
도 5는 본 발명의 일 실시예에 따른 RHO 표적 라이보자임을 포함한 벡터 모식도이다.
도 6은 RHO 표적 라이보자임 최적화를 위해 293A 세포에서 컨스트럭스의 활성을 비교하는 결과를 나타낸 것이다.
도 7은 RHO 표적 라이보자임의 인비트로 효능을 stable cell을 이용하여 확인한 결과이다.
도 8은 RHO 표적 라이보자임의 다양한 돌연변이에 대한 인비트로 효능을 확인한 결과이다.
도 9는 본 발명의 일 실시예에 따른 RHO 표적 라이보자임을 아데노-부속 바이러스(Adeno-associated viruses: AAV) 벡터로 발현시키기 위한 재조합 AAV 발현 벡터 모식도이다.
도 10은 본 발명의 일 실시예에 따른 RHO 표적 라이보자임을 포함하는 AAV 발현 벡터를 이용하여 질환 동물 모델에서 라이보자임의 효능을 확인한 결과를 나타낸 것이다(a는 투여 후 2주, b는 투여 후 5주의 결과임).
도 11은 본 발명의 일 실시예에 따른 질환 동물 모델에서 RHO 표적 라이보자임을 포함하는 AAV 벡터 투여 후 혈청 내 면역 및 염증 반응 결과를 나타낸 것이다(A는 투여 후 2주, B는 투여 후 5주의 결과임).
도 12는 본 발명의 일 실시예에 따른 동물 모델에서 RHO 표적 라이보자임을 포함하는 AAV 벡터 투여 후 망막(Retina)과 망막색소상피세포(retinal pigment epithelium; RPE) 조직에서 라이보자임 효능을 확인한 결과이다.
도 13은 본 발명의 일 실시예에 따른 질환 동물 모델에서 RHO 표적 라이보자임을 포함하는 AAV 벡터 투여 후 생체 내 라이보자임 분포를 확인한 결과이다.
도 14는 본 발명의 일 실시예에 따른 정상 마우스에 RHO 표적 라이보자임을 포함하는 AAV 벡터 투여 후 독성을 분석한 결과이다.
도 15는 본 발명의 일 실시예에 따른 질환 동물 모델에 RHO 표적 라이보자임을 포함하는 AAV 벡터 투여 후 망막전위도 검사를 수행한 결과이다.
도 16은 본 발명의 일 실시예에 따른 질환 동물 모델에 RHO 표적 라이보자임을 포함하는 AAV 벡터 투여 후 혈청(A) 및 라이보자임의 활성을 분석한 결과이다(B).
도 17은 본 발명의 일 실시예에 따른 RHO 표적 라이보자임을 포함하는 다양한 재조합 AAV 벡터 제작 모식도이다.
도 18은 본 발명의 일 실시예에 따른 질환 동물 모델에 RHO 표적 라이보자임을 포함하는 재조합 AAV 벡터 투여 후 3주 차의 라이보자임 분포 및 트랜스-스플라이싱 활성을 확인한 결과이다.
도 19 및 도 20은 본 발명의 일 실시예에 따른 질환 동물 모델에 RHO 표적 라이보자임을 포함하는 재조합 AAV 벡터 투여 후 망막전위도를 검사한 결과이다.
도 21은 본 발명의 일 실시예에 따른 질환 동물 모델에 RHO 표적 라이보자임을 포함하는 재조합 AAV 벡터 투여 후 망막의 라이보자임 분포 및 라이보자임 RNA 발현을 확인한 결과이다.
Claims (21)
- 로돕신 전사체를 표적으로 하는, 트랜스-스플라이싱 라이보자임에 있어서,
상기 트랜스-스플라이싱 라이보자임은, 5'-IGS (internal guide sequence)-Ribozyme*-3'의 구조를 가지며,
상기 IGS 영역은 로돕신 전사체의 +30, +35, +42, +43, +52, +54, +55, +75, +97, +116, +122, +123, +127, +132, +140, +154, +165, +171, +187, +191, +207, +215, +222, +230, +232, +244, +256, +262, +273, +298, +308, +381, +403, +661 또는 +688 부위 염기를 포함하는 영역과 상보적으로 결합할 수 있는 5-10 nt 길이의 염기서열로 이루어진 것인, 트랜스-스플라이싱 라이보자임.
- 제1항에 있어서,
상기 트랜스-스플라이싱 라이보자임은, 상기 Ribozyme* 다음의 3' 방향으로 엑손(exon) 영역을 더 포함하는 것인, 트랜스-스플라이싱 라이보자임.
- 제1항에 있어서,
상기 로돕신 전사체는 로돕신 돌연변이를 포함하는 것인, 트랜스-스플라이싱 라이보자임.
- 제3항에 있어서,
상기 로돕신 돌연변이는 서열번호 1로 표시되는 로돕신 전사체의 1 번 내지 1142번 사이의 염기 중 적어도 하나의 염기에 발생한 돌연변이인, 트랜스-스플라이싱 라이보자임.
- 제4항에 있어서,
상기 로돕신 돌연변이는 하기로 이루어진 돌연변이 군으로부터 선택되는 적어도 하나를 포함하는 것인, 트랜스-스플라이싱 라이보자임:
L328P, T342M, Q344R/P/ter, V345L/M, A346P, P347A/R/Q/L/S/T, ter349/Q/E, N15S, T17M, V20G, P23A/H/L, Q28H, G51R/V, P53R, T58R/M, V87D/L, G89D, G106R/W, C110F/R/S/Y, E113K, L125R, W161R, A164E/V, C167R/W, P171Q/L/S, Y178N/D/C, E181K, G182S/V, C185R, C187G/Y, G188R/E, D190N/G/Y, H211R/P, C222R, P267R/L, S270R, K296N/E/M, R135G/L/P/W, T4K, T17M, M39R, N55K, G90V, M44T, V137M, G90D, T94I, A292E, A295V, F45L, V209M, F220C, P12R, R21C, Q28H, L40R, L46R, L47R, F52Y, F56Y, L57R, Y60ter, Q64ter, R69H, N78I, L79P, L88P, T92I, T97I, V104F, G109R, G114D/V, E122G, W126L/ter, S127F, L131P, Y136ter, C140S, T160T, M163T, A169P, P170H/R, S176F, P180A/S, Q184P, S186P/W, Y191C, T193M, M207R/K, V210F, I214N, P215L/T, M216R/L/K, R252P, T289P, S297R, A298D, K311E, N315ter, E341K, S343C 및 Q312ter.
- 제1항의 트랜스-스플라이싱 라이보자임을 포함하는 비바이러스성 유전자 전달체.
- 제1항의 트랜스-스플라이싱 라이보자임을 포함하는 유전자 컨스트럭트(construct).
- 제7항에 있어서,
상기 컨스트럭트는 상기 라이보자임의 3'-말단 방향에 목적유전자가 추가로 연결되는 것인, 컨스트럭트.
- 제8항에 있어서,
상기 목적유전자는 정상 로돕신 단백질을 코딩하는 폴리뉴클레오티드 서열 또는 리포터 단백질을 코딩하는 폴리뉴클레오티드 서열인 컨스트럭트.
- 제7항에 있어서,
상기 컨스트럭트는 상기 라이보자임의 5'-말단 방향에, 안티센스를 코딩하는 뉴클레오타이드가 연결된 것인 유전자 컨스트럭트로,
상기 안티센스는 표적 로돕신 전사체에 상보적 서열을 갖는 것인 유전자 컨스트럭트.
- 제7항에 있어서,
상기 유전자 컨스트럭트에 작동가능하게 연결된(operatively linked) 프로모터 서열을 포함하는, 컨스트럭트.
- 제7항 내지 제11항 중 어느 한 항의 유전자 컨스트럭트가 포함된 재조합 발현 벡터.
- 제7항 내지 제11항 중 어느 한 항의 유전자 컨스트럭트를 포함하는 재조합 바이러스.
- 제7항 내지 제11항 중 어느 한 항의 유전자 컨스트럭트를 포함하는 비바이러스성 유전자 전달체.
- 제13항에 있어서,
상기 바이러스는 아데노바이러스, 아데노-부속 바이러스(Adeno-associated viruses: AAV), 레트로바이러스, 렌티바이러스, 헤르페스 심플렉스 바이러스 또는 백시니아 바이러스로 이루어진 군으로부터 선택되는 어느 하나인, 재조합 바이러스.
- 제7항 내지 제11항 중 어느 한 항의 유전자 컨스트럭트를 포함하는 재조합 바이러스로,
상기 재조합바이러스는,
제1항의 트랜스-스플라이싱 라이보자임을 코딩하는 폴리뉴클레오타이드 서열을 포함하고 상기 폴리뉴클레오타이드는 프로모터에 작동 가능하게 연결된 것인, 재조합 아데노-부속 바이러스(Adeno-associated viruses: AAV)로,
상기 재조합 AAV는 AAV의 천연 유래 또는 인공 혈청형 또는 단리체(isolate)또는 계통군(clade)인 재조합 바이러스.
- 제1항의 라이보자임 또는 제6항의 비바이러스성 유전자 전달체를 유효성분으로 포함하는 망막색소변성증 예방 또는 치료용 약학 조성물.
- 제7항 내지 제11항 중 어느 한 항의 유전자 컨스트럭트를 유효성분으로 포함하는 망막색소변성증 예방 또는 치료용 약학 조성물.
- 제12항의 재조합 발현 벡터를 유효성분으로 포함하는 망막색소변성증 예방 또는 치료용 약학 조성물.
- 제13항의 재조합 바이러스를 유효성분으로 포함하는 망막색소변성증 예방 또는 치료용 약학 조성물.
- 제14항의 비바이러스성 유전자 전달체를 유효성분으로 포함하는 망막색소변성증 예방 또는 치료용 약학 조성물.
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KR20100024055A (ko) * | 2008-08-25 | 2010-03-05 | 단국대학교 산학협력단 | 조직 특이적 프로모터와 암 특이 유전자를 타겟팅하는트랜스-스플라이싱 라이보자임을 포함하는 재조합아데노바이러스 및 이의 용도 |
KR20100052070A (ko) * | 2008-11-10 | 2010-05-19 | 단국대학교 산학협력단 | Kras G12V RNA를 특이적으로 인지할 수 있는 트랜스-스플라이싱 그룹 I 리보자임 |
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WO2024054047A1 (ko) * | 2022-09-06 | 2024-03-14 | 알지노믹스 주식회사 | 자가 환형화 rna 구조체 |
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US11504388B2 (en) | 2022-11-22 |
WO2022019706A1 (ko) | 2022-01-27 |
US20220117996A1 (en) | 2022-04-21 |
JP7334346B2 (ja) | 2023-08-28 |
JP2022545572A (ja) | 2022-10-27 |
KR102522273B1 (ko) | 2023-04-20 |
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