KR102907902B1 - 면역 요법의 안정한 유전적 변형을 위한 귀소 수용체 또는 사이토카인, 및 키메라 항원 수용체를 포함하는 4 시스트론 시스템 - Google Patents
면역 요법의 안정한 유전적 변형을 위한 귀소 수용체 또는 사이토카인, 및 키메라 항원 수용체를 포함하는 4 시스트론 시스템Info
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Abstract
Description
도 2는 NFAT-반응성 CCL21 유전자를 함유하는 플라스미드 pCRENFAT-CCL21을 나타내는 개략도이다.
도 3은 야생형 NK-92® 세포 및 CCR7을 발현하는 변형된 NK-92® 세포에서 NK-92® 세포와 관련된 표현형 마커의 발현을 나타내는 그래프이다. (레인 1: aNK(야생형); 레인 2: 변형된 NK-92® 세포(MA3); 레인 3: 변형된 NK-92® 세포(MB4); 레인 4: 변형된 NK-92® 세포(MB6); 레인 5: 변형된 NK-92® 세포(ME6); 레인 6: 변형된 NK-92® 세포(MH3); A: 이소형(APC); B: CD54(ICAM-1); C: NKp30; D: NKG2D
도 4는 K562 세포에 대한 CCR7을 발현하는 변형된 NK-92® 세포의 사이톡식(cytoxic) 활성을 나타내는 그래프이다.
도 5는 HL-60 세포에 대한 CCR7을 발현하는 변형된 NK-92® 세포의 사이톡식 활성을 나타내는 그래프이다.
도 6a 및 도 6b는 (NK-92 세포를 CD19-CAR에 대한 mRNA로 전기 천공하였을 때) K562 및 SUP-B15 세포에 대한 결합의 맥락에서 입증된 NK-92 세포에서의 NFAT-루시페라제 리포터 유전자의 활성화를 나타내는 그래프이다.
도 7은 케모카인 CCL19 및 CCL21을 향해 이동되는 CCR7(Mi-aNK)을 발현하는 변형된 NK-92® 세포를 나타내는 그래프이다.
도 8은 본원에 기재된 변형된 NK-92® 세포의 시험관내 테스트를 위한 예시적인 방법을 나타내는 다이어그램을 나타낸다. 활성화된 NK-92® 세포(aNK)는 케모카인 수용체(예를 들어, CCR7)를 발현하도록 변형하였고, 표적 세포는 수용체(예를 들어, CCL19 또는 CCL21)에 결합하는 케모카인을 발현하도록 변형하였다. 변형된 NK-92® 세포는 나타난 바와 같이 변형된 보이덴 챔버 트랜스웰 분석(Modified Boyden Chamber Transwell Assay)에서 테스트하였다.
도 9는 본원에 기재된 변형된 NK-92® 세포를 사용한 대표적인 세포 독성 분석을 나타낸다. 도 8로부터의 변형된 NK-92® 세포는, 하나 또는 둘 모두의 케모카인 리간드를 발현하고 분비하는 K562 표적 세포에 대한 세포 독성에 대해 테스트하였다. ML4 클론이 가장 높은 표적 세포의 용해 백분율을 나타냈고, K562 표적 세포가 CCL19 및 CCL21 둘 모두를 발현할 때 백분율이 증가하였다.
도 10은 단일 삽입 위치에서 세포를 안정적으로 형질 감염시키는 데 사용될 수 있는, "4 시스트론 벡터"로 지칭되는 플라스미드 pNKAT-CCR7-CD19CAR-CD16-ERIL2를 나타내는 개략도이다.
도 11은 도 10으로부터의 선형화된 플라스미드를 나타내는 개략도이다.
도 12a 및 도 12b는 NK-92® 세포에 의한 CCR7, CD16, 및 CD19 CAR의 세포 표면 발현을 나타낸다. "aNK"는 야생형 NK-92® 세포주이다. "ML4"는 프로모터에 작동 가능하게 연결된 CCR7을 인코딩하는 핵산 작제물로 형질 감염된 aNK 세포주이다(즉, Mi-aNK). "P2"는 CCR7, CD16, ER-IL2 및 CD19 CAR을 인코딩하는 핵산 작제물로 형질 감염된 aNK 세포주이다(즉, Mi- T-haNK).
도 13. NK 세포 투여 후 표시된 시간에 비-CR 대 Mi-T-haNK 세포의 모 종양 또는 CCL19-발현 종양으로의 귀소. 데이터는 평균 ± SEM이다. - 및 + 기호는 CCR7 수용체(제1 기호) 및 CCL19 리간드(제2 기호)의 발현 상태를 표시한다. *, 일원 분산분석(ANOVA) 후 투키 테스트(Tukey's test)에 의한 다중 비교에 의해, P<0.05. 마지막 패널은 시간 경과 곡선을 나타낸다.
도 14. 투약 후 24 시간째에 단일 동물에서 모 종양 또는 CCL19-발현 종양으로의 비-CR 및 Mi-T-haNK 세포 침윤의 일대일 비교. Mi-T-haNK 세포를 제공받은 4 마리 동물 중 3 마리는 CCL19+ 종양으로의 더 높은 침윤을 나타낸 반면, 비-CR CD19 t-haNK 세포를 제공받은 4 마리 동물 중 3 마리는 K562 및 K-19 종양 둘 모두로의 유사한 수준의 침윤을 나타낸다. 각각의 그룹에서 하나의 "이상치(outlier)" 동물은 점선으로 표시된다.
도 15는 IV 라지(Raji)-19.5 종양-보유 동물의 생존 곡선을 도해한다. 비히클, CD19 t-haNK 세포, 또는 R7-19.1 세포로 처리된 라지-19.5 IV 종양-보유 NSG 마우스에 대한 생존 곡선. 통계 분석은 로그-순위(Log-rank)(만텔-콕스(Mantel-Cox)) 테스트로 수행하였다. ***, P=0.0002; ****, P<0.0001.
도 16은 IV 라지-19.5 종양 모델에서의 체중 변화를 도해한다. 비히클, CD19 t-haNK 세포, 또는 R7-19.1 세포로 처리된 IV 라지-19.5 종양 보유 동물에 대한 체중 변화 곡선(0 일차 체중에 대한 변화%). 데이터는 평균 ± SEM이다. 빨간색 화살표는 투약일을 나타낸다. 투약일에 행해진 중량 측정은 용량 투여 전에 수행하였다. 20 일차 전의 모든 시점에 대해, NK 세포 처리된 그룹에 대한 곡선은 이원 분산분석 후 투키 테스트에 의한 다중 비교에 의해 비히클 대조군과 비교하여 통계적으로 유의한 차이(P<0.05)에 도달하였다.
도 17은 무작위화 시 SC 라지-19.5 종양의 크기를 도해한다. 무작위화 시 개별 종양 크기가 나타난다. 검은색 박스는 크기가 200 mm3 초과인 큰 종양을 에워싸고, 파란색 박스는 200 mm3 미만의 작은 종양을 에워싸고 있다. 그룹 평균 ± SEM 또한 표시된다.
도 18은 SC 라지-19.5 종양-보유 마우스의 큰-종양 하위-집단에 대한 종양 성장을 도해한다. (A) 그룹 분석. 데이터는 평균 ± SEM이다. 통계 분석은 이원 혼합-효과 분석 후 투키 테스트에 의한 다중 비교를 사용하여 수행하였다. 통계적 유의성은 달성되지 않았다. (B) 개별 곡선. 빨간색 화살표는 투약일을 나타낸다. Tx: 치료.
도 19는 SC 라지-19.5 종양-보유 마우스의 작은-종양 하위-집단에 대한 종양 성장을 도해한다. (A) 그룹 분석. 데이터는 평균 ± SEM이다. 통계 분석은 이원 혼합-효과 분석 후 투키 테스트에 의한 다중 비교를 사용하여 수행하였다. 어느 시점에서도 임의의 두 그룹 간의 통계적 유의성은 발견되지 않았다. (B) 개별 곡선. 빨간색 화살표는 투약일을 나타낸다. Tx: 치료.
도 20은 SC 라지-19.5 종양 모델에서의 체중 변화를 도해한다. 비히클, CD19 t-haNK 세포, 또는 R7-19.1 세포로 처리된 SC 라지-19.5 종양 보유 동물에 대한 체중 변화 곡선(1 일차 체중에 대한 변화%). 데이터는 평균 ± SEM이다. 빨간색 화살표는 투약일을 나타낸다. 투약일에 행해진 체중 측정은 용량 투여 전에 수행하였다. 16 일차 전의 모든 시점에 대해, NK 세포 처리된 그룹에 대한 곡선은 이원 혼합-효과 분석 후 투키 테스트에 의한 다중 비교에 의해 비히클 대조군과 비교하여 통계적으로 유의한 차이에 도달하였다.
도 21은 4-시스트론 TGFβ-트랩 아머링된(armored) PD-L1 CAR 작제물의 일 구현예를 도해한다.
도 22는 PD-L1(TGFβ-트랩) t-haNK 클론에서의 PD-L1 CAR 및 CD16의 발현 분석을 도해한다.
도 23은 TGFb 트랩이 TGFβ트랩/PD-L1 t-haNK 클론의 배양 상청액으로 분비되는 것을 도해한다.
도 24는 K562 표적 세포에 대한 4-시스트론 TGFβ-트랩 작제물의 세포 독성을 도해한다.
도 25는 PD-L1을 발현하는 SUP-B15 표적 세포에 대한 4-시스트론 TGFβ-트랩 작제물의 CAR 살해를 도해한다.
도 26은 MDA-MB 231 표적 세포에 대한 4-시스트론 TGFβ-트랩 작제물의 CAR 살해를 도해한다.
도 27은 SUP-B15 CD19-CD20+에 대한 4-시스트론 TGFβ-트랩 작제물의 ADCC를 도해한다.
도 28은 TGFβ에 의해 유도되는 TGFβ/SMAD 루시페라제 리포터 HEK293 세포를 도해한다.
도 29는 HEK293T 리포터 분석에서 분비되는 TGFβ-트랩 격리된 TGFβ 및 저해된 루시페라제 발현을 도해한다.
도 30은 IL-12 바이러스로 형질 도입된 NK-92® 세포주로부터의 IL-12 분비를 도해한다.
도 31은 4-시스트론 IL-12/PD-L1 t-haNK 작제물의 일 구현예를 도해한다.
도 32는 CCR7 CD19 t-haNK 세포에 대한 세포 독성 데이터를 도해한다.
도 33은 IL-12/PD-L1 t-haNKTM 세포주로부터의 IL-12 분비를 도해한다.
Claims (12)
- 프로모터에 작동 가능하게 연결된, 전환 성장 인자(TGF)-베타 트랩 및 세포예정사 1 리간드 1(PD-L1)에 특이적으로 결합하는 키메라 항원 수용체(CAR)를 인코딩하는 핵산을 포함하고,
상기 핵산은 플라스미드 형질감염(plasmid transfection)을 통해 NK-92 세포에 도입되고,
상기 플라스미드 형질감염은 특정 유전자좌에서의 표적화된 상동 재조합을 포함하며,
상기 유전자좌는 AAVS1 유전자좌이고,
상기 AAVS1 유전자좌는 SEQ ID NO: 7을 포함하며, 그리고
상기 TGF-베타 트랩은 SEQ ID NO:64 또는 SEQ ID NO:66의 아미노산 서열을 포함하는,
NK-92 세포. - 제1항에 있어서, 상기 NK-92 세포는 프로모터에 작동 가능하게 연결된 C-X-C 케모카인 수용체 유형 4(CXCR4)를 인코딩하는 핵산을 추가로 포함하는,
NK-92 세포. - 삭제
- 삭제
- 제1항에 있어서, 상기 NK-92 세포는 프로모터에 작동 가능하게 연결된 사이토카인을 인코딩하는 핵산을 추가로 포함하는,
NK-92 세포. - 제5항에 있어서, 상기 사이토카인은 IL-2, erIL-2, IL-15, erIL-15, IL-12 또는 이들의 조합인,
NK-92 세포. - 제5항에 있어서, 상기 사이토카인은 erIL-2인,
NK-92 세포. - 제1항에 있어서, 상기 NK-92 세포는 프로모터에 작동 가능하게 연결된 Fc 수용체를 인코딩하는 핵산을 추가로 포함하는,
NK-92 세포. - 제8항에 있어서, 상기 Fc 수용체는 CD16 또는 SEQ ID NO:12의 서열을 갖는 고친화성 CD16이거나, SEQ ID NO:13을 갖는 핵산에 의해 인코딩되는,
NK-92 세포. - 제1항에 있어서, 상기 TGF-베타 트랩은 TGF-베타 수용체 II 엑토도메인의 단일 사슬 이량체를 포함하는,
NK-92 세포. - 제1항에 있어서, 상기 PD-L1에 특이적으로 결합하는 CAR은 SEQ ID NO:68을 갖는 핵산에 의해 인코딩되는,
NK-92 세포. - 삭제
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| PCT/US2019/044655 WO2020028656A1 (en) | 2018-08-01 | 2019-08-01 | A quadricistronic system comprising a homing receptor or a cytokine, and chimeric antigen receptor for genetic modification of immunotherapies |
| KR1020217005791A KR102653878B1 (ko) | 2018-08-01 | 2019-08-01 | 면역 요법의 안정한 유전적 변형을 위한 귀소 수용체 또는 사이토카인, 및 키메라 항원 수용체를 포함하는 4 시스트론 시스템 (a quadricistronic system comprising a homing receptor or a cytokine, and chimeric antigen receptor for genetic modification of immunotherapies) |
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| KR1020247010547A Active KR102907902B1 (ko) | 2018-08-01 | 2019-08-01 | 면역 요법의 안정한 유전적 변형을 위한 귀소 수용체 또는 사이토카인, 및 키메라 항원 수용체를 포함하는 4 시스트론 시스템 |
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