KR20150046709A - 세포막결합성 리포좀에 의한 세포변형을 통하여 세포막성 소포에 약물을 포접하는 방법 및 이를 이용한 약물의 전달 방법 - Google Patents
세포막결합성 리포좀에 의한 세포변형을 통하여 세포막성 소포에 약물을 포접하는 방법 및 이를 이용한 약물의 전달 방법Info
- Publication number
- KR20150046709A KR20150046709A KR20140032446A KR20140032446A KR20150046709A KR 20150046709 A KR20150046709 A KR 20150046709A KR 20140032446 A KR20140032446 A KR 20140032446A KR 20140032446 A KR20140032446 A KR 20140032446A KR 20150046709 A KR20150046709 A KR 20150046709A
- Authority
- KR
- South Korea
- Prior art keywords
- lipid
- cell membrane
- drug
- liposome
- cell
- Prior art date
Links
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Abstract
Description
도 2는 HeLa 세포에 세포막결합성 리포좀(MFL) 및 비결합성 리포좀(NFL)을 처리한 다음, 시행한 결합능 검사(fusion assay) 결과를 나타낸 도이다:
FD: R18 염료(dye)의 형광 증가량(세포막과 결합을 이루면서 형광이 증가함).
도 3은 세포막결합성 리포좀(MFL)은 세포막으로 전달하기 위해 이중지질막에 소수성 물질(Dil 또는 ZnPc)을 함유하고, 세포질 내로 전달하기 위해 상기 리포좀의 내부에 친수성 물질(칼세인; Calcein)을 포함하는 것을 설명한 도이다.
도 4는 Hela, B16F10, CT26 암세포주에서 Dil 및 칼세인을 함유하는 MFL 또는 NFL을 함께 넣고 30분 동안 배양한 다음, 세척한 세포에서 Dil 및 칼세인을 관찰한 결과를 나타낸 도이다.
도 5는 처리한 리포좀의 종류와 상관없이 Hela, B16F10, CT26 암세포주에서 세포막성 수포의 양은 유사함을 나타낸 도이다.
도 6은 리포좀의 이중지질막에 포접된 Dil이 세포막성 수포로 전달된 효율을 확인한 도이다.
도 7은 리포좀 내부에 포접된 칼세인이 세포막성 수포로 전달된 효율을 확인한 도이다.
도 8은 세포막결합성 리포좀(MFL)을 처리한 Hela, B16F10, CT26 각각의 암세포주에서 세포막성 수포를 투과전자현미경(TEM)으로 확인한 도이다.
도 9는 세포막결합성 리포좀(MFL)을 처리한 Hela, B16F10, CT26 각각의 암세포주에서 세포막성 수포의 크기를 동적 광산란(dynamic light scattering)으로 측정한 결과, 세포막성 수포의 크기가 평균 80 내지 100 nm임을 확인한 도이다.
도 10은 Hela, B16F10, CT26 각각의 암세포주에 세포막결합성 리포좀(MFL) 처리 유무에 따른 세포막성 수포 단백질의 분포 경향을 쿠마시브릴리언트블루(Coomassie Brilliant Blue) 염색을 통해 확인한 도이다.
도 11은 세포막결합성 리포좀(MFL)을 처리한 Hela, B16F10, CT26 암세포에서 분리한 세포막성 수포에 대하여 엑소좀 특이적 단백질 CD63의 발현량을 웨스턴 블럿(western blot)으로 확인한 결과를 나타낸 도이다.
도 12는 Hela, B16F10 및 CT26 세포에 세포막결합성 리포좀(MFL), 비결합성 리포좀(NFL) 및 PLGA 나노입자(NP, Dil만을 함유)을 처리한 다음, 분리한 세포막성 수포(400 μg)에서의 DiI 형광 강도를 측정한 결과를 나타낸 도이다.
도 13은 DiI와 칼세인 형광물질이 포접된 세포막결합성 리포좀(MFL) 또는 비결합성 리포좀(NFL)을 30 분 동안 위쪽 필터에 있는 세포에 처리하고 세포와 반응하지 않은 리포좀들은 모두 제거한 후, 48 시간 동안 리포좀이 처리된 위쪽 세포로부터 방출되는 세포막성 수포들이 400 nm 구멍을 통하여 아래쪽 세포로 전달되는 것을 보여주는 것으로, 세포막결합성 리포좀에 의해 형광물질이 세포로 전달되면 이 세포가 방출하는 세포막성 수포에 의해 형광물질이 또 다른 세포로 전달됨을 보여주는 도이다.
도 14는 상기 도 13과 같은 방법으로 실시한 결과, 위쪽 필터의 배지 및 아래쪽 트랜스웰의 세포에서 리포좀(MFL 및 NFL)에 의해 전달된 물질(Dil 및 Calcein)에 대한 형광 강도를 비교한 도이다.
도 15는 Hela 세포에 세포막성 수포가 제거된 배지를 처리한 결과, 칼세인 또는 Dil 형광이 나타나지 않음을 나타낸 도이다.
도 16은 Hela, B16F10 및 CT26 세포에 광과민제(ZnPc)가 함유된 세포막결합성 리포좀(MFL) 및 비결합성 리포좀(NFL)을 처리한 다음 공초점 현미경으로 관찰한 결과를 나타낸 도이다.
도 17은 분리한 세포막성 수포(400 μg)에서 광과민제(ZnPc)의 형광 강도를 측정한 결과를 나타낸 도이다.
도 18은 ZnPc가 포접된 세포막결합성 리포좀(MFL) 또는 비결합성 리포좀(NFL)을 30 분 동안 위쪽 필터에 있는 세포에 처리하고 세포와 반응하지 않은 리포좀들은 모두 제거한 후, 48 시간 동안 리포좀이 처리된 위쪽 세포로부터 방출되는 세포막성 수포들이 400 nm 구멍을 통하여 아래쪽 세포로 전달되는 것을 보여주는 것으로, 세포막결합성 리포좀에 의해 ZnPc가 세포로 전달되면 이 세포가 방출하는 세포막성 수포에 의해 ZnPc가 또 다른 세포로 전달된 다음, 세포막성 수포에 의해 ZnPc가 전달된 아래쪽 트랜스웰에 있는 세포 전체에 대하여 5 분 동안 660 nm 레이저(laser source) 처리를 하여 상기 세포의 생존능을 확인하는 방법을 나타낸 도이다.
도 19는 상기 도 18과 같은 방법으로 실시한 결과, 위쪽 필터 및 아래쪽 트랜스웰의 세포에서 레이저 처리 유무에 따른 세포 생존율을 비교한 도이다.
도 20는 세모막결합성 리포좀에 의한 세포변형을 통하여 약물을 세포에서 분비하는 세포막성 수포에 자연적으로 포접하는 방법의 개략도를 보여주는 도이다.
Claims (25)
2) 단계 1)의 리포좀을 세포에 처리하여 세포로부터 세포막성 수포를 방출시키는 단계; 및
3) 단계 2)에서 방출된 세포막성 수포를 수집하는 단계로 구성되는 것을 특징으로 하는 약물이 함유된 세포막성 수포의 제조방법.
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WO2017213328A1 (ko) * | 2016-06-07 | 2017-12-14 | 한국과학기술원 | 합성 수용체-인지질의 접합체를 포함하는 리포좀 및 상기 합성 수용체에 결합 가능한, 기능성 물질이 결합된 리간드를 유효성분으로 함유하는 기능성 물질 전달용 조성물 |
GB2552301A (en) * | 2016-07-11 | 2018-01-24 | Evox Therapeutics Ltd | Metabolic drug loading of EVs |
WO2021101340A1 (ko) * | 2019-11-22 | 2021-05-27 | 차의과학대학교 산학협력단 | 리포좀 조성물을 포함하는 항암 치료 보조용 조성물 및 이를 이용한 약물 전달 방법 |
KR20210063254A (ko) * | 2019-11-22 | 2021-06-01 | 차의과학대학교 산학협력단 | 리포좀 조성물을 포함하는 항암 치료 보조용 조성물 및 이를 이용한 약물 전달 방법 |
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KR102624761B1 (ko) | 2017-12-28 | 2024-01-12 | 한국과학기술원 | 다중-상 액상 조성물, 약물의 투과도 측정 장치 및 약물의 투과도 측정 방법 |
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WO2017213328A1 (ko) * | 2016-06-07 | 2017-12-14 | 한국과학기술원 | 합성 수용체-인지질의 접합체를 포함하는 리포좀 및 상기 합성 수용체에 결합 가능한, 기능성 물질이 결합된 리간드를 유효성분으로 함유하는 기능성 물질 전달용 조성물 |
GB2552301A (en) * | 2016-07-11 | 2018-01-24 | Evox Therapeutics Ltd | Metabolic drug loading of EVs |
WO2021101340A1 (ko) * | 2019-11-22 | 2021-05-27 | 차의과학대학교 산학협력단 | 리포좀 조성물을 포함하는 항암 치료 보조용 조성물 및 이를 이용한 약물 전달 방법 |
KR20210063254A (ko) * | 2019-11-22 | 2021-06-01 | 차의과학대학교 산학협력단 | 리포좀 조성물을 포함하는 항암 치료 보조용 조성물 및 이를 이용한 약물 전달 방법 |
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