KR102673828B1 - off-the-shelf 줄기세포 및 면역세포, 이를 포함하는 약학적 조성물 - Google Patents
off-the-shelf 줄기세포 및 면역세포, 이를 포함하는 약학적 조성물 Download PDFInfo
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- KR102673828B1 KR102673828B1 KR1020210009773A KR20210009773A KR102673828B1 KR 102673828 B1 KR102673828 B1 KR 102673828B1 KR 1020210009773 A KR1020210009773 A KR 1020210009773A KR 20210009773 A KR20210009773 A KR 20210009773A KR 102673828 B1 KR102673828 B1 KR 102673828B1
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Abstract
Description
도 2는 B2M-/- CIITA-/- PDCD1-/- CTLA4-/- iPSC genotype을 나타낸 것이다. 각 도면에서 위의 가닥이 WT allele, 아래의 가닥이 KO allele이다.
도 3은 B2M-/- CIITA-/- iPSC genotype (B2M = HLA class I, CIITA = HLA class II)을 나타낸 것이다.
도 4는 Novel “Don’t eat me 유전자 CD24” 선별을 위한 평가 결과이다.
도 5는 B2M-/- CIITA-/- PDCD1-/- CTLA4-/- CD24+ CD19 CAR+ iPSC 제작을 확인한 것이다.
도 6은 TRA 유전자의 CDS에서 1개 이상의 base deletion이 일어난 것을 증명하는 sequencing 데이터이다. 즉, B2M-/- CIITA-/- PDCD1-/- CTLA4-/- TRA-/- CD24+ CD19 CAR+ iPSC 제작을 확인한 것이다.
도 7은 PBMC와 NK 세포의 inhibitory receptor heterogenicity를 확인한 것이다.
서열번호 | 타깃유전자 | 코딩 서열 (CDS) |
8 | Oct-4 | NM_203289 |
9 | Sox-2 | NM_003106 |
10 | c-Myc | NM_002467 |
11 | Klf-4 | NM_001314052 |
Genotype | Colony number | Ratio (%) |
B2M-/- CIITA-/- PDCD1-/- CTLA4-/- |
1 | 6.7 |
B2M-/- CIITA-/- | 2 | 13.3 |
B2M-/- | 5 | 33.3 |
Wild type | 7 | 46.7 |
서열번호 | 후보 인간 유전자 | 코딩 서열 (CDS) |
12 | HLA-G | NM_002127 |
13 | PSG9 | NM_001301707 |
Claims (13)
- 삭제
- 삭제
- 삭제
- 줄기세포에 있어서,
상기 줄기 세포는, 배아줄기세포 또는 유도만능줄기세포이고,
B2M(Beta-2 microglobulin), CIITA(class II, major histocompatibility complex, transactivator), PDCD1(Programmed cell death protein 1) 및 CTLA4(cytotoxic T-lymphocyte-associated protein 4) 유전자의 발현이 억제되고, CD24(cluster of differentiation 24) 유전자 및 암세포 표면 항원 특이적 CAR(Chimeric Antigen Receptor)이 과발현된 줄기세포이고,
상기 B2M은, 서열번호 1의 sgRNA에 의해 발현이 억제되고,
상기 CIITA는 서열번호 2의 sgRNA에 의해 발현이 억제되고,
상기 PDCD1는, 서열번호 3의 sgRNA에 의해 발현이 억제되고
상기 CTLA4는, 서열번호 4의 sgRNA에 의해 발현이 억제된, 줄기세포.
- 청구항 4에 있어서, 상기 줄기세포는,
TCR의 발현이 억제된 줄기세포이고
상기 TCR은, 서열번호 5의 sgRNA에 의해 발현이 억제된, 줄기세포.
- 청구항 5에 있어서, 상기 TCR은 TRA(T cell receptor Alpha)인, 줄기세포.
- 청구항 4에 있어서, 상기 암세포 표면 항원은 CD19(Cluster of Differentiation 19)인 줄기세포.
- 청구항 4 내지 7 중 어느 한 항의 줄기세포로부터 유도된 면역세포.
- 청구항 8에 있어서, 상기 면역세포는, 세포독성 T 세포(cytotoxic T cell), NK(Natural kill) 세포 또는 대식세포인, 면역세포.
- 청구항 8의 면역세포를 포함하는 암의 예방 또는 치료용 약학 조성물.
- 청구항 10에 있어서, 상기 암은 고형암 또는 혈액암인 것인, 암의 예방 또는 치료용 약학 조성물.
- 청구항 11에 있어서, 상기 고형암은 췌장암, 유방암, 전립선암, 뇌종양, 두경부암종, 흑색종, 골수종, 간암, 위암, 결장암, 골암, 자궁암, 난소암, 직장암, 식도암, 소장암, 결장암, 나팔관암, 질암, 음문암, 호지킨병, 방광암, 신장암, 수뇨관암, 신장세포암, 신장골반암, 중추신경계 종양 및 이들의 조합으로 구성된 군으로부터 선택되는 암종인 것인, 암의 예방 또는 치료용 약학 조성물.
- 청구항 11에 있어서, 상기 혈액암은 백혈병인, 암의 예방 또는 치료용 약학 조성물.
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- 2021-01-22 WO PCT/KR2021/000942 patent/WO2021150078A1/ko unknown
- 2021-01-22 KR KR1020210009773A patent/KR102673828B1/ko active Active
- 2021-01-22 JP JP2022545049A patent/JP2023511965A/ja active Pending
- 2021-01-22 CN CN202180024155.7A patent/CN115335508A/zh active Pending
- 2021-01-22 US US17/156,476 patent/US20210254005A1/en active Pending
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WO2019161271A1 (en) * | 2018-02-16 | 2019-08-22 | Kite Pharma, Inc. | Modified pluripotent stem cells and methods of making and use |
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US20210254005A1 (en) | 2021-08-19 |
JP2023511965A (ja) | 2023-03-23 |
EP4183868A1 (en) | 2023-05-24 |
EP4183868A4 (en) | 2024-08-21 |
KR20210095586A (ko) | 2021-08-02 |
CN115335508A (zh) | 2022-11-11 |
WO2021150078A1 (ko) | 2021-07-29 |
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