KR102699872B1 - 약물전달물질로서의 대장암 특이적 표적 엑소좀 조성물 및 이의 용도 - Google Patents
약물전달물질로서의 대장암 특이적 표적 엑소좀 조성물 및 이의 용도 Download PDFInfo
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Abstract
Description
도 2의 A는 본 발명의 재조합 단백질의 발현을 위한 pDisplay에서의 벡터 구성이고, B는 벡터의 발현에 따른 양상을 나타낸 것이다.
도 3은 엑소좀에 대한 구조 분석을 위하여 투과전자현미경(TEM) 및 유세포분석기 (FACS)을 이용하여 분석한 결과이다.
도 4는 MTT assay 방법을 통하여 엑소좀의 세포 독성 평가한 결과이다.
도 5는 엑소좀의 wound healing assay에 따른 cell migration을 나타낸 결과이다.
도 6은 colony assay에 따른 colony 억제능을 나타낸 결과이다.
도 7은 대장암세포주인 HCT116에서의 세포사멸 인자(pro-apoptotic factor)인 cleaved PARP, cleaved caspase3, cleaved caspase9, Bax의 발현 수준 및 항-세포사멸 인자(anti-apoptotic factor)인 Bcl-2의 발현 수준을 확인한 결과이다.
도 8은 대장암세포주인 HCT116에서의 세포사멸 인자(pro-apoptotic factor)인 cleaved PARP, cleaved caspase3, cleaved caspase9, Bax의 발현 수준 및 항-세포사멸 인자(anti-apoptotic factor)인 Bcl-2의 발현 수준을 확인한 결과이다.
도 9는 BALB/C Nude mouse에 대장암세포주인 HCT116을 이식한 대장암 동물 모델에서의 세포사멸 인자(pro-apoptotic factor)인 cleaved PARP, cleaved caspase3, cleaved caspase9, Bid의 발현 수준 및 항-세포사멸 인자(anti-apoptotic factor)인 Bcl-XL의 발현 수준을 확인한 결과이다.
도 10은 BALB/C Nude mouse에 대장암세포주인 HCT116을 이식한 대장암 동물 모델에서의 세포사멸 인자(pro-apoptotic factor)인 cleaved PARP, cleaved caspase3, cleaved caspase9, Bid의 발현 수준 및 항-세포사멸 인자(anti-apoptotic factor)인 Bcl-XL의 발현 수준을 확인한 결과이다.
도 11은 BALB/C Nude mouse에 대장암세포주인 HCT116을 이식하여 구축된 대장암 동물 모델에서의 외형 관찰 결과를 나타낸 것이다.
Claims (10)
- 재조합 발현벡터로 형질전환된 엑소좀으로서,
상기 재조합 발현벡터는 지방유래줄기세포의 엑소좀로 발현되는 유전자 내에 대장암 세포 표적 리간드를 인코딩하는 서열번호 1의 염기 서열로 표시되는 유전자가 삽입된 것을 특징으로 하는, 대장암 특이적 표적 엑소좀. - 제1항에 따른 엑소좀을 포함하는, 대장암 예방 및 치료 약물 전달용 조성물.
- 제1항에 따른 엑소좀을 포함하는, 대장암의 예방 또는 치료용 약학적 조성물.
- 삭제
- 제3항에 있어서, 상기 엑소좀은 BET 저해제를 추가로 장착한 것을 특징으로 하는 대장암의 예방 또는 치료용 약학적 조성물.
- 제3항에 있어서, 상기 상기 엑소좀은 1 내지 50 μL/ml의 농도로 포함되는 것을 특징으로 하는 대장암의 예방 또는 치료용 약학적 조성물.
- 삭제
- 제3항에 있어서, 상기 지방유래줄기세포는 인체 또는 동물유래 줄기세포인 것을 특징으로 하는 대장암의 예방 또는 치료용 약학적 조성물.
- (a) 지방유래줄기세포의 엑소좀으로 발현되는 유전자 내에 대장암 세포 표적 리간드를 인코딩하는 서열번호 1의 염기 서열로 표시되는 유전자를 도입하는 단계; 및
(b) 상기 유전자가 도입된 세포를 배지에서 배양하여 엑소좀을 수득하는 단계;를 포함하는 대장암 예방 또는 치료용 엑소좀 제조방법. - 삭제
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210055792A KR102699872B1 (ko) | 2021-04-29 | 2021-04-29 | 약물전달물질로서의 대장암 특이적 표적 엑소좀 조성물 및 이의 용도 |
| PCT/KR2022/004963 WO2022231157A1 (ko) | 2021-04-29 | 2022-04-06 | 약물전달물질로서의 대장암 특이적 표적 엑소좀 조성물 및 이의 용도 |
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| KR1020210055792A KR102699872B1 (ko) | 2021-04-29 | 2021-04-29 | 약물전달물질로서의 대장암 특이적 표적 엑소좀 조성물 및 이의 용도 |
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| KR20220148568A KR20220148568A (ko) | 2022-11-07 |
| KR102699872B1 true KR102699872B1 (ko) | 2024-08-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019035057A2 (en) * | 2017-08-17 | 2019-02-21 | Cellex Life Sciences, Incorporated | EXOSOMES FOR TARGET-SPECIFIC DELIVERY AND METHODS OF PREPARATION AND ADMINISTRATION THEREOF |
| KR102034875B1 (ko) * | 2016-09-29 | 2019-10-21 | 주식회사 엑소스템텍 | 분화되고 있는 줄기세포로부터 추출된 엑소좀을 유효성분으로 포함하는 약물 저항성 암 치료용 약학 조성물 |
| KR102227242B1 (ko) | 2019-01-25 | 2021-03-12 | 한국한의약진흥원 | 생물전환된 생약조성물을 포함하는 대장염 및 대장암 개선 또는 치료용 조성물 및 이의 제조방법 |
| WO2021066612A2 (ko) * | 2019-10-02 | 2021-04-08 | 주식회사 바이오녹스 | 종양 표적화 단백질 또는 이의 단편 및 그것에 결합하는 항체 및 이의 용도 |
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- 2021-04-29 KR KR1020210055792A patent/KR102699872B1/ko active Active
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- 2022-04-06 WO PCT/KR2022/004963 patent/WO2022231157A1/ko not_active Ceased
Non-Patent Citations (3)
| Title |
|---|
| Acta Pharmacol Sin.,38(6):754-763(2017.4.10.) |
| J Cancer.,9(17):3129-3137(2018.8.6.) |
| Mol Ther.,21(1):185-191(2012.10.2.) |
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| KR20220148568A (ko) | 2022-11-07 |
| WO2022231157A1 (ko) | 2022-11-03 |
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