KR20190114375A - 산소를 함유하는 나노 버블의 제조 방법, 나노 버블 및 이를 포함하는 약물 전달체 - Google Patents
산소를 함유하는 나노 버블의 제조 방법, 나노 버블 및 이를 포함하는 약물 전달체 Download PDFInfo
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Abstract
Description
도 1b는 본 발명의 나노 버블의 효과를 설명하기 위한 도면이다.
도 2는 본 발명의 산소 함유 나노 버블의 크기를 설명하기 위한 도면이다.
도 3은 본 발명의 산소 함유 나노 버블의 크기 및 수를 설명하기 위한 도면이다.
도 4는 본 발명의 산소 함유 나노 버블의 크기 및 수를 설명하기 위한 도면이다.
도 5는 본 발명의 산소 함유 나노 버블의 세포막 투과도 및 침착율을 설명하기 위한 도면이다.
도 6은 본 발명의 산소 함유 나노 버블의 세포 독성을 설명하기 위한 도면이다.
도 7은 본 발명의 산소 함유 나노 버블의 저산소 조건에서의 특성을 설명하기 위한 도면이다.
도 8은 본 발명의 산소 함유 나노 버블의 세포 생존율 증가 효과를 설명하기 위한 도면이다.
도 9는 본 발명의 산소 함유 나노 버블의 저산소 유발 단백질 억제를 설명하기 위한 도면이다.
도 10은 본 발명의 산소 함유 나노 버블 및 독소루비신의 효과를 설명하기 위한 도면이다.
도 11은 본 발명의 산소 함유 나노 버블과 독소루비신의 작용메커니즘을 설명하기 위한 도면이다.
도 12는 본 발명의 산소 함유 나노 버블의 팬텀 테스트 결과를 설명하기 위한 도면이다.
Claims (11)
- 80:20 초과 90:10 미만의 몰비(molar ratio)로 혼합된 인지질 및 단층 인지질막 형성 유도제를 포함하되 상기 단층 인지질막 형성 유도제가 서로 다른 2종의 계면활성제를 포함하는 것을 특징으로 하는 용액을 초음파 처리하여, 단층의 인지질로 형성된 단층 인지질막 마이크로 구조체를 형성하는 단계; 및
단층 인지질막 마이크로 구조체를 포함하는 용액에 산소 가스를 주입하면서 상기 용액을 초음파 분해하여, 나노 크기이고 중공을 갖는 구형의 단층 인지질막 나노 구조체 및 상기 단층 인지질막 나노 구조체의 중공에 수용된 산소 가스를 포함하는 나노 버블을 형성하는 단계를 포함하는,
나노 버블의 제조 방법.
- 제1항에 있어서,
상기 인지질은 디스테아로일포스파티딜콜린(DSPC), 디라우로일포스파티딜콜린(DLPC), 디미리스토일포스파티딜콜린(DMPC), 디펜타데카노일포스파티딜콜린(DPDPC), 디팔미토일포스파티딜콜린(DPPC), 1-미리스토일-2-팔미토일포스파티딜콜린(MPPC), 콜레스테롤, 지방산, 지방 알코올(fatty alcohols) 및 지방 에스테르(fatty esters) 중 적어도 어느 하나를 포함하는 것을 특징으로 하는,
나노 버블의 제조 방법.
- 제1항에 있어서,
상기 단층 인지질막 형성 유도제는 DSPE-PEG-2000 아민, DSPE-PEG-비오틴, DSPE-MPEG-1000, DSPE-MPEG-2000 및 DSPE-MPEG-5000 중 2종을 포함하는 것을 특징으로 하는,
나노 버블의 제조 방법.
- 제1항에 있어서,
상기 인지질 및 단층 인지질막 형성 유도제의 몰비는 85:15이고,
상기 단층 인지질막 형성 유도제는 서로 다른 2종의 계면활성제를 8:7의 몰비로 포함하는 것을 특징으로 하는,
나노 버블의 제조 방법.
- 제1항에 있어서,
상기 나노 버블을 형성하는 단계에서,
250 nm 내지 350 nm의 직경을 갖는 나노 버블이 형성되는 것을 특징으로 하는,
나노 버블의 제조 방법.
- 제1항에 있어서,
상기 나노 버블을 형성하는 단계에서,
3 mV 이하의 막 전위를 갖는 나노 버블이 형성되는 것을 특징으로 하는,
나노 버블의 제조 방법.
- 나노 크기이고 중공을 갖는 구형의 단층 인지질막 나노 구조체; 및
상기 단층 인지질막 나노 구조체의 중공에 수용된 산소 가스를 포함하고,
250 nm 내지 350 nm의 직경 크기를 갖는 것을 특징으로 하는,
나노 버블.
- 제7항에 있어서,
상기 나노 버블은 상기 단층 인지질막 나노 구조체의 중공에 외부 환경 대비 고농도의 산소 가스를 포함하는 것을 특징으로 하는,
나노 버블.
- 제7항에 있어서,
상기 나노 버블은 세포에 산소 가스를 전달 가능한 산소 전달체인 것을 특징으로 하는,
나노 버블.
- 제7항에 있어서,
상기 나노 버블은 세포에서 저산소 유발 단백질(HIF-1-alpha)을 억제하는 것을 특징으로 하는,
나노 버블.
- 나노 크기이고 중공을 갖는 구형의 단층 인지질막 나노 구조체 및 상기 단층 인지질막 나노 구조체의 중공에 수용된 산소 가스를 포함하고, 250 nm 내지 350 nm의 직경 크기를 갖는 것을 특징으로 하는, 나노 버블; 및
상기 나노 버블의 단층 인지질막 나노 구조체에 결합된 약물을 포함하는,
약물 전달체.
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