KR102476552B1 - 관용원성 dna 백신 - Google Patents
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Abstract
Description
도 2. 도 1의 플라스미드의 벡터 생성물에 대한 mRNA 및 번역된 단백질 지도.
도 3. G30 바늘을 통한 세 개의 주사 계대에 대한 플라스미드 전단 안전성.
도 4. 30℃에서 성장에 의한 플라스미드 체류 표현형의 확인 (17시간 인큐베이션을 사용한 계대 1-50 및 22시간 인큐베이션을 사용한 계대 51-100).
| 플라스미드 | 30주령에 T1D 질환 발병률 |
| 병력상 미처리 콜로니 발병률 | 77.8% |
| pVAX1 (빈 벡터 음성 대조군) | 23/29 = 79.3% |
| CpG 고갈된 pVAX1-프로인슐린 Ag (항원+변형된 벡터) |
24/29 = 82.7% |
| pVAX1-프로인슐린 Ag (항원) |
18/30 = 60% |
| pVAX1-IL10-IRES-프로인슐린 Ag (항원+IL-10) |
10/26 = 38.5% |
| 플라스미드 | 활성 TGF -b1 (ng/ml) | 인터류킨-10 (ng/ml) | 인터류킨 -2 (ng/ml) |
| pVAX1 (빈 벡터) | <0.0035 | <0.0027 | <0.0009 |
| pVAX1-IL10/프로인슐린 (항원+IL-10) |
<0.0035 | 85.3 | <0.0009 |
| pVAX1-IIAg/TGFβ/IL10/ (항원+TGFβ+IL-10) |
7.35 | 1,238.8 | <0.0009 |
| pVAX1-IIAg/TGFβ/IL10/IL2 (항원+TGFβ+IL-10+IL-2) |
2.39 | 1,259.5 | 777.0 |
| 플라스미드 | 30주령에 질환 발병률 |
| 병력상 미처리 콜로니 발병률 | 77.8% |
| 미처리 (음성 대조군) | 18/21 = 85.7% |
| pVAX1-Ag/IL10 (항원+IL-10) |
5/23 = 21.7% |
| pVAX1-IIAg/TGFβ/IL10 (항원+TGFβ+IL-10) |
2/23 = 8.7% |
| pVAX1-IIAg/TGFβ/IL10/IL2 (항원+TGFβ+IL-10+IL-2) |
1/23 = 4.3% |
| 치료 유형 | 당뇨병/전체 | % 당뇨병 |
| 병력상 대조군 | 80% @ 30주 | |
| 미처리 | 15/21 | 71.4% @ 30주 |
| 빈 벡터 대조군 i.m. | 13/21 | 61.9% @ 30주 |
| pVAX1-IIAg/TGFβ/IL10/IL2 (인트론 없음) i.m. | 10/24 | 41.6% @ 22주 |
| pVAX1-IIAg/TGFβ/IL10/IL2 (EMCV IRES 대신에 CrPv IRES) i.m. | 7/22 | 31.8% @ 22주 |
| pVAX1-IIAg/TGFβ/IL10 i.m. (IL-2 없음) | 12/42 | 28.6%@ 30주 |
| pVAX1-IIAg/TGFβ/IL10/IL2 i.m. | 1/42 | 2.4% @ 30주 |
| pVAX1-IIAg/TGFβ/IL10/IL2 s.c. | 12/42 | 28.6% @ 30주 |
| 플라스미드 | 30주령에 질환 발병률 |
| 병력상 미처리 콜로니 발병률 | 77.8% |
| 미처리 (음성 대조군) | 16/21 = 76.2% |
| 인트론을 가지고 있는 pVAX1-IIAg/TGFβ/IL10/IL2 (카나마이신 저항성) | 5/21 = 23.8% |
| 인트론을 가지고 있는 pNTC9385R-IIAg/TGFβ/IL10/IL2 (상업적 무 항생제 선택 시스템) | 13/21 = 61.9% |
| 플라스미드 | 30주령에 질환 발병률 |
| 병력상 미처리 콜로니 발병률 | 77.8% |
| pVAX1-IIAg/TGFβ/IL10/IL2 (항원+사이토카인) |
2/22 = 9.1% |
| pVAX1-II/TGFβ/IL10/IL2 (항원 없음+사이토카인) |
15/28 = 53.5% |
| 처리 | # 샘플 | 평균 ug 항-OVA IgG /mL 혈청 | 오차 |
| 플라스미드 처리 | 8 | 7.517 | +/- 0.967 |
| PBS (샴) 처리 | 5 | 8.954 | +/- 1.227 |
| 플라스미드 |
세포
인터류킨-10 |
분비된
인터류킨-10 |
세포
인터류킨-2 |
분비된
인터류킨-2 |
세포
융합 생성물 |
분비된
융합 생성물 |
| GSG-TaV 2A | ++++ | ++ | - | +++ | ++ | - |
| 퓨린 분열 부위 | + | - | - | - | ++++ | ++ |
| 퓨린/TaV 2A | +++ | ++ | - | ++ | ++ | + |
| P 2A | ++ | ++++ | - | +++ | + | - |
| E 2A | +++ | ++ | - | ++ | ++ | - |
| 플라스미드, 매주 3x 투여됨 (최적) | 30주령에 질환 발병률 |
| 병력상 미처리 콜로니 발병률 | 78.9% |
| 미처리 (음성 대조군) | 12/15 = 80% |
| pNN 빈 벡터 (열 민감성 선택을 가지고 있지만 단백질 암호화 서열이 없는 음성 대조군) |
12/16 = 75% |
| pVAX1-IIAg/FMDV/TGFβ/IL10/TaV2A/IL2 (카나마이신 선택 및 단백질 암호화 서열) |
1/16 = 6.3% |
| pNN-IIAg/FMDV/TGFβ/IL10/P2A/IL2 (온도 선택 시스템 및 단백질 암호화 서열) |
1/23 = 4.3% |
| pVAX1-RNA-OUT-IIAg/FMDV/TGFβ/IL10/P2A/IL2 (상업적 선택 시스템 및 단백질 암호화 서열) |
9/23 = 39.1% |
| 플라스미드, 매주 1x 투여됨 (차선) | 27주령에 질환 발병률 |
| 병력상 미처리 콜로니 발병률 | 78.9% |
| 미처리 (음성 대조군) | 12/15 = 80% |
| pNN-IIAg/FMDV/TGFβ/IL10/P2A/IL2 (온도 선택 시스템 및 단백질 암호화 서열) |
16/37 = 43.2% |
| pNN-SV40e-IIAg/FMDV/TGFβ/IL10/P2A/IL2 (온도 선택 시스템 및 단백질 암호화 서열, 뿐만 아니라 인핸서) |
20/37 = 54% |
| pNN-IIAg/FMDV/TGFβ/IL10 (IL-2 결핍) (온도 선택 시스템 및 단백질 암호화 서열 - IL-2 제외) |
25/40 = 62.5% |
| pVAX1-RNA-OUT-IIAg/FMDV/TGFβ/IL10/P2A/IL2 (온도 선택 시스템 및 단백질 암호화 서열) |
27/38 = 71% |
| 30주령에 질환 발병률 | 40주령에 질환 발병률 |
| 1/23 = 4.3% | 9/23 = 39.1% |
Claims (19)
- i. 인슐린 항원;
ii. TGF-β; 및
iii. IL-10
을 암호화하고 발현하는 플라스미드로서,
상기 플라스미드는 또한 인터류킨-2 (IL-2)를 동시-발현하는, 플라스미드. - 제1 항에 있어서, 상기 인슐린 항원은 프로인슐린 또는 프리-프로인슐린인 것을 특징으로 하는 플라스미드.
- 제1 항에 있어서, 상기 인슐린 항원은 엔도솜으로 표적화된 인슐린인 것을 특징으로 하는 플라스미드.
- 제1 항에 있어서, 상기 플라스미드는 인슐린 항원 및 TGF-β을 IL-10보다 2 내지 200배 더 적은 양으로 발현하는 것을 특징으로 하는 플라스미드.
- 제1 항에 있어서, 상기 플라스미드는 (i) 인슐린 항원 암호화 서열 및 TGF-β 암호화 서열을 분리하는 FMDV 2A 요소, (ii) TGF-β 암호화 서열 및 IL-10 암호화 서열을 분리하는 EMCV IRES 요소, 및 (iii) IL-10 암호화 서열 및 IL-2 암호화 서열을 분리하는 2A 요소를 포함하는 것을 특징으로 하는 플라스미드.
- 제1 항에 있어서, TGF-β 암호화 서열은 구성적으로 활성인 TGF-β를 암호화하는 것을 특징으로 하는 플라스미드.
- 제1 항에 있어서, 상기 플라스미드는 (i) 엔도솜으로 표적화된 프리-프로-인슐린 암호화 서열, (ii) FMDV 2A 요소, (iii) TGF-β 암호화 서열, (iv) EMCV IRES 요소, (v) IL-10 암호화 서열, (vi) P 2A 요소, (vii) IL-2 암호화 서열, (viii) 폴리아데닐화/종결 요소, (ix) 선택 유전자, (x) 복제 기원, (xi) 진핵생물 프로모터 요소, (xii) 진핵생물 번역 시작 서열, 및 (xiii) 엔도솜 선별 서열을 포함하는 것을 특징으로 하는 플라스미드.
- 제7 항에 있어서, 상기 플라스미드는 (xiv) 인트론을 더 포함하는 것을 특징으로 하는 플라스미드.
- 제1 항 내지 제8 항 중 어느 한 항의 플라스미드를 포함하는 DNA 면역-요법 백신.
- 제1 항 내지 제8 항 중 어느 한 항의 플라스미드를 포함하는, I형 당뇨병을 지연하거나 예방하기 위한 약학적 조성물로서, 상기 약학적 조성물은 식염수 용액, 버퍼, 킬레이터, 또는 이것들의 조합을 포함하는, 약학적 조성물.
- 제10 항에 있어서, 상기 버퍼는 임의의 바이러스, 지질, 공동-포장제(co-packing agent), 또는 응결제를 포함하지 않는 것을 특징으로 하는 약학적 조성물.
- 제10 항에 있어서, 상기 조성물은 또한 GLP-1 수용체 아고니스트를 포함하는 것을 특징으로 하는 약학적 조성물.
- 제10 항에 있어서, 상기 약학적 조성물은 피하 투여용인 것을 특징으로 하는 약학적 조성물.
- 제10 항에 있어서, 상기 약학적 조성물은 근육내 투여용인 것을 특징으로 하는 약학적 조성물.
- 제9 항의 DNA 면역-요법 백신을 포함하는, I형 당뇨병을 지연하거나 예방하기 위한, 약학적 조성물로서, 상기 약학적 조성물은 식염수 용액, 버퍼, 킬레이터, 또는 이것들의 조합을 포함하는, 약학적 조성물.
- 제15 항에 있어서, 상기 버퍼는 임의의 바이러스, 지질, 공동-포장제(co-packing agent), 또는 응결제를 포함하지 않는 것을 특징으로 하는 약학적 조성물.
- 제15 항에 있어서, 상기 조성물은 또한 GLP-1 수용체 아고니스트를 포함하는 것을 특징으로 하는 약학적 조성물.
- 제15 항에 있어서, 상기 약학적 조성물은 피하 투여용인 것을 특징으로 하는 약학적 조성물.
- 제15 항에 있어서, 상기 약학적 조성물은 근육내 투여용인 것을 특징으로 하는 약학적 조성물.
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| PCT/EP2017/077949 WO2018083111A1 (en) | 2016-11-01 | 2017-11-01 | Tolerogenic dna vaccine |
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| US11279745B2 (en) | 2019-04-26 | 2022-03-22 | Novo Nordisk A/S | Tolerogenic DNA vaccine |
| CN113461796A (zh) * | 2021-08-04 | 2021-10-01 | 深圳晶蛋生物医药科技有限公司 | 一种重组sglt2蛋白及其应用 |
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