KR101364428B1 - 암 특이적 막 항원에 대한 항체를 함유하는 암 치료제 - Google Patents
암 특이적 막 항원에 대한 항체를 함유하는 암 치료제 Download PDFInfo
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- KR101364428B1 KR101364428B1 KR1020127001208A KR20127001208A KR101364428B1 KR 101364428 B1 KR101364428 B1 KR 101364428B1 KR 1020127001208 A KR1020127001208 A KR 1020127001208A KR 20127001208 A KR20127001208 A KR 20127001208A KR 101364428 B1 KR101364428 B1 KR 101364428B1
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Abstract
Description
도 2는 트라스투주맵과 말초혈 단핵구에 의한 유방암 세포 HCC1569에 대한 세포 상해성을 나타낸다. 35 mm 디쉬에 1×105씩 종양 세포 HCC1569를 파종하고, 24시간 후에 트라스투주맵 및 정상인으로부터 채취한 말초혈 단핵구를 가하였다. 또한 24시간 후에 생 종양 세포수를 계측하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. 통계 해석은 이원 ANOVA에 의해 행하였다. A: 컨트롤, B: 트라스투주맵.
도 3은 트라스투주맵과 말초혈 단핵구에 의한 유방암 세포 HCC1569의 세포 상해성에서의 E-카데린, N-카데린 양자 억제의 효과를 나타낸다. 35 mm 디쉬에 1×105씩 siRNA로 카데린을 넉다운시킨 HCC1569를 파종하고, 24시간 후에 트라스투주맵 및 정상인으로부터 채취한 말초혈 단핵구를 가하였다. 또한 24시간 후에 생 종양 세포수를 계측하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. 통계 해석은 이원 ANOVA에 의해 행하였다. A: 컨트롤, B: E-카데린 및 N-카데린을 더블 넉다운시킨 HCC1569.
도 4는 트라스투주맵과 KLRG1 발현 세포를 제거한 말초혈 단핵구에 의한 유방암 세포 HCC1569의 세포 상해성을 나타낸다. 35 mm 디쉬에 1×105씩 종양 세포 HCC1569(T)를 파종하고, 24시간 후에 트라스투주맵 및 정상인으로부터 채취한 말초혈 단핵구를 소팅(sorting)하여 KLRG1 발현 세포를 제거한 말초혈 단핵구(E)를 가하고, 24시간 후에 생 종양 세포수를 계측하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. 통계 해석은 이원 ANOVA에 의해 행하였다. A: 컨트롤, B: HCC1569.
도 5는 트라스투주맵과 KLRG1 발현 세포를 제거한 말초혈 단핵구에 의한 유방암 세포 SKBR3의 세포 상해성을 나타낸다. 35 mm 디쉬에 1×105씩 종양 세포 SKBR3(T)를 파종하고, 24시간 후에 트라스투주맵 및 정상인으로부터 채취한 말초혈 단핵구를 소팅하여 KLRG1 발현 세포를 제거한 말초혈 단핵구(E)를 가하였다. 그 24시간 후에 생 종양 세포수를 계측하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. 통계 해석은 이원 ANOVA에 의해 행하였다. A: 컨트롤, B: SKBR3.
도 6은 유방암 세포 SKBR3에 대한 ADCC 활성에 있어서, 말초혈 단핵구에서의 KLRG1 발현 유무의 효과를 나타낸다. 1×106개의 종양 세포 SKBR3(T)를 50 ㎕의 Na2 51CrO4와 37℃, 5% CO2 인큐베이터 중에서 1.5시간 공배양하고, 표지된 SKBR3 5×103개를 96웰 플레이트에 파종하고, 단핵구(E)를 T:E가 1:0, 1:1, 1:20, 1:50이 되도록 각 웰에 넣고, 37℃, 5% CO2 인큐베이터 중에서 4시간 공배양한 후, 종양 세포로부터 방출된 51Cr의 방사 활성을 측정하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. A: 미처리 말초혈 단핵구, B: KLRG1 발현 세포를 제거한 후의 말초혈 단핵구.
도 7은 유방암 세포 HCC1569에 대한 ADCC 활성에 있어서, 말초혈 단핵구에서의 KLRG1 발현 유무의 효과를 나타낸다. 1×106개의 종양 세포 HCC1569(T)를 50 ㎕의 Na2 51CrO4와 37℃, 5% CO2 인큐베이터 중에서 1.5시간 공배양하고, 표지된 HCC1569 5×103개를 96웰 플레이트에 파종하고, 단핵구(E)를 T:E가 1:0, 1:1, 1:20, 1:50이 되도록 각 웰에 넣고, 37℃, 5% CO2 인큐베이터 중에서 4시간 공배양한 후, 종양 세포로부터 방출된 51Cr의 방사 활성을 측정하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. A: 미처리 말초혈 단핵구, B: KLRG1 발현 세포를 제거한 후의 말초혈 단핵구.
도 8은 트라스투주맵과 말초혈 단핵구 또는 KLRG1 발현 세포를 제거한 말초혈 단핵구에 의한 위암 세포 MKN-7에 대한 세포 상해성을 나타낸다. 실험은 실시예 1과 동일한 방법으로 행하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. 통계 해석은 이원 ANOVA에 의해 행하였다. A: 말초혈 단핵구, B: KLRG1 발현 세포를 제거한 말초혈 단핵구.
도 9는 트라스투주맵과 말초혈 단핵구 또는 KLRG1 발현 세포를 제거한 말초혈 단핵구에 의한 위암 세포 NCI-N87에 대한 세포 상해성을 나타낸다. 실험은 실시예 1과 동일한 방법으로 행하였다. 3중 측정의 평균치와 표준 편차를 나타내었다. 통계 해석은 이원 ANOVA에 의해 행하였다. A: 말초혈 단핵구, B: KLRG1 발현 세포를 제거한 말초혈 단핵구.
도 10은 트라스투주맵과 KLRG1 발현 세포를 감소시킨 인간 말초혈 단핵구에 의한, NOD/SCID 마우스에 접종된 유방암 세포 HCC1569의 증식 억제 작용을 나타낸다.
Claims (45)
- 상피성 암 세포에서 발현되는 암 특이적 막 항원에 대한, 항체 의존성 세포 장애 활성을 갖는 항체를 함유하는 암 치료제로서, 상기 암 치료제는, 상기 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암의 생체에 대해 사용되며, 상기 암 치료제의 투여 개시 시기가 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 상기 생체 외에서 선택적으로 감소시키고 있는 동안 또는 감소시킨 후인 것을 특징으로 하는 암 치료제.
- 제1항에 있어서, 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 상기 생체 외에서 선택적으로 감소시키는 처리가, 상기 생체의 말초혈을 체외 순환하여, KLRG1 음성 면역 세포보다 KLRG1 양성 면역 세포에 대해 높은 친화성을 갖는 세포 제거기에 의해 상기 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하는 혈액 정화 요법의 시행인 암 치료제.
- 제1항 또는 제2항에 있어서, 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거함으로써, 상기 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암 세포에 대한, 상기 암 특이적 막 항원에 대한 항체의 항체 의존성 세포 장애 활성이 증강되는 것인 암 치료제.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 HER2인 암 치료제.
- 제4항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원에 대한 항체가 트라스투주맵(trastuzumab)인 암 치료제.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 CEA인 암 치료제.
- 제1항 내지 제6항 중 어느 한 항에 있어서, KLRG1 양성 면역 세포가 KLRG1 양성 NK 세포인 암 치료제.
- 제1항 내지 제7항 중 어느 한 항에 있어서, KLRG1에 대한 리간드가 E-카데린, N-카데린, R-카데린으로 이루어지는 군에서 선택되는 것인 암 치료제.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상피성 암이 유방암인 암 치료제.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상피성 암이 위암인 암 치료제.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 생체의 말초혈을 체외 순환하여, 상기 말초혈을 KLRG1에 대해 친화성을 갖는 물질을 고정화한 수불용성 담체에 접촉시켜, 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하는 것인 암 치료제.
- 제11항에 있어서, KLRG1에 대해 친화성을 갖는 물질이 KLRG1에 대한 항체인 암 치료제.
- 제11항에 있어서, KLRG1에 대해 친화성을 갖는 물질이 E-카데린인 암 치료제.
- 제11항 내지 제13항 중 어느 한 항에 있어서, 상기 수불용성 담체가 자기 입자인 암 치료제.
- 제11항 내지 제13항 중 어느 한 항에 있어서, 상기 수불용성 담체가 부직포인 암 치료제.
- KLRG1 음성 면역 세포보다 KLRG1 양성 면역 세포에 대해 높은 친화성을 갖는 세포 제거기로서, 상피성 암 세포에서 발현되는 암 특이적 막 항원에 대한, 항체 의존성 세포 장애 활성을 갖는 항체를 함유하는 암 치료제를, 상기 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암의 생체에 투여하기 전 또는 투여하고 있는 동안에, 상기 생체의 말초혈을 체외 순환하여, 상기 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하기 위한 세포 제거기.
- 제16항에 있어서, 생체의 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거함으로써, 상기 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암 세포에 대한, 상기 암 특이적 막 항원에 대한 항체의 항체 의존성 세포 장애 활성을 증강시키는 것인 세포 제거기.
- 제16항 또는 제17항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 HER2인 세포 제거기.
- 제18항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원에 대한 항체가 트라스투주맵인 세포 제거기.
- 제16항 또는 제17항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 CEA인 세포 제거기.
- 제16항 내지 제20항 중 어느 한 항에 있어서, KLRG1 양성 면역 세포가 KLRG1 양성 NK 세포인 세포 제거기.
- 제16항 내지 제21항 중 어느 한 항에 있어서, KLRG1에 대한 리간드가 E-카데린, N-카데린, R-카데린으로 이루어지는 군에서 선택되는 것인 세포 제거기.
- 제16항 내지 제22항 중 어느 한 항에 있어서, 상피성 암이 유방암인 세포 제거기.
- 제16항 내지 제22항 중 어느 한 항에 있어서, 상피성 암이 위암인 세포 제거기.
- 제16항 내지 제24항 중 어느 한 항에 있어서, 생체의 말초혈을 KLRG1에 대해 친화성을 갖는 물질을 고정화한 수불용성 담체에 접촉시켜, 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하는 것인 세포 제거기.
- 제25항에 있어서, KLRG1에 대해 친화성을 갖는 물질이 KLRG1에 대한 항체인 세포 제거기.
- 제25항에 있어서, KLRG1에 대해 친화성을 갖는 물질이 E-카데린인 세포 제거기.
- 제25항 내지 제27항 중 어느 한 항에 있어서, 상기 수불용성 담체가 자기 입자인 세포 제거기.
- 제25항 내지 제27항 중 어느 한 항에 있어서, 상기 수불용성 담체가 부직포인 세포 제거기.
- (i) KLRG1 음성 면역 세포보다 KLRG1 양성 면역 세포에 대해 높은 친화성을 갖는 세포 제거기로서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암의 생체의 말초혈을 체외 순환하여 상기 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하는 세포 제거기와, (ii) 상기 암 특이적 막 항원에 대한, 항체 의존성 세포 장애 활성을 갖는 항체를 함유하는 암 치료제로서, 상기 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하는 혈액 정화 요법의 시행 중 또는 시행 후에 투여하는 암 치료제를 포함하는, 세포 제거기와 암 치료제의 병용 치료 시스템.
- 제30항에 있어서, 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거함으로써, 상기 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암 세포에 대한, 상기 암 특이적 막 항원에 대한 항체의 항체 의존성 세포 장애 활성이 증강되는 것인 병용 치료 시스템.
- 제30항 또는 제31항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 HER2인 병용 치료 시스템.
- 제32항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원에 대한 항체가 트라스투주맵인 병용 치료 시스템.
- 제30항 또는 제31항에 있어서, 상피성 암 세포에서 발현되는 암 특이적 막 항원이 CEA인 병용 치료 시스템.
- 제30항 내지 제34항 중 어느 한 항에 있어서, KLRG1 양성 면역 세포가 KLRG1 양성 NK 세포인 병용 치료 시스템.
- 제30항 내지 제35항 중 어느 한 항에 있어서, KLRG1에 대한 리간드가 E-카데린, N-카데린, R-카데린으로 이루어지는 군에서 선택되는 것인 병용 치료 시스템.
- 제30항 내지 제36항 중 어느 한 항에 있어서, 상피성 암이 유방암인 병용 치료 시스템.
- 제30항 내지 제36항 중 어느 한 항에 있어서, 상피성 암이 위암인 병용 치료 시스템.
- 제30항 내지 제38항 중 어느 한 항에 있어서, 생체의 말초혈을 체외 순환하여, 상기 말초혈을 KLRG1에 대해 친화성을 갖는 물질을 고정화한 수불용성 담체에 접촉시켜, 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 선택적으로 제거하는 것인 병용 치료 시스템.
- 제39항에 있어서, KLRG1에 대해 친화성을 갖는 물질이 KLRG1에 대한 항체인 병용 치료 시스템.
- 제39항에 있어서, KLRG1에 대해 친화성을 갖는 물질이 E-카데린인 병용 치료 시스템.
- 제39항 내지 제41항 중 어느 한 항에 있어서, 상기 수불용성 담체가 자기 입자인 병용 치료 시스템.
- 제39항 내지 제41항 중 어느 한 항에 있어서, 상기 수불용성 담체가 부직포인 병용 치료 시스템.
- 삭제
- 상피성 암 세포에서 발현되는 암 특이적 막 항원에 대한, 항체 의존성 세포 장애 활성을 갖는 항체를 함유하는 암 치료제로서, 상기 암 치료제는 상기 암 특이적 막 항원이 양성이고 KLRG1에 대한 리간드가 양성인 상피성 암의 생체에 대해 사용되며, 상기 암 치료제의 투여 개시 시기가 상기 생체의 말초혈 중의 KLRG1 양성 면역 세포를 KLRG1 음성 면역 세포보다 KLRG1 양성 면역 세포에 대해 높은 친화성을 갖는 세포 제거기를 이용하여 상기 생체 외에서 선택적으로 감소시키고 있는 동안 또는 감소시킨 후인 것을 특징으로 하는 암 치료제.
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US11566077B2 (en) * | 2017-01-17 | 2023-01-31 | The University Of Chicago | Dysfunctional antigen-specific CD8+ T cells in the tumor microenvironment |
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