KR20170040748A - 다중 약물의 효율적 세포내 전달을 위한 다중 블럭 폴리펩타이드를 포함하는 약물전달체 및 자가조립 나노구조체 - Google Patents
다중 약물의 효율적 세포내 전달을 위한 다중 블럭 폴리펩타이드를 포함하는 약물전달체 및 자가조립 나노구조체 Download PDFInfo
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- KR20170040748A KR20170040748A KR1020160126477A KR20160126477A KR20170040748A KR 20170040748 A KR20170040748 A KR 20170040748A KR 1020160126477 A KR1020160126477 A KR 1020160126477A KR 20160126477 A KR20160126477 A KR 20160126477A KR 20170040748 A KR20170040748 A KR 20170040748A
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Abstract
Description
도 2는 본 발명에 이용된 EBP 유전자 라이브러리의 아가로스 겔전기영동 이미지이다. (A) EBPE[A1G4I1], (B) EBPP[A1G4I1], (C) EBPE[K1G4I1], (D) EBPP[K1G4I1], (E) EBPE[D1G4I1], (F) EBPP[D1G4I1], (G) EBPE[E1G4I1], (H) EBPP[E1G4I1], (I) EBPP[G1A3F2], (J) EBPP[K1A3F2], (K) EBPP[D1A3F2], and (L) EBPP[H3A2I1]. EBP 반복 단위의 개수를 각 DNA 대역 아래에 표시하였다. 모든 아가로스 겔 상의 양측 레인은, 서로 다른 DNA 크기 마커 (밑에서 위로 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 1.0, 1.5, 2.0, 및 3.0 kbp)를 나타낸다.
도 3은 본 발명에 이용된 EBP의 구리 염색된 SDS-PAGE 겔 (4-20% 구배)이다. (A) EBPE[A1G4I1], (B) EBPP[A1G4I1], (C) EBPE[K1G4I1], (D) EBPP[K1G4I1], (E) EBPE[D1G4I1] 및 (F) EBPP[D1G4I1]. SDS-PAGE 겔 상의 양측 레인은 표준 단백질 크기 마커(밑에서 위로 7, 15, 24, 35, 40, 50, 65, 90, 110, 150kDa)를 함유한다.
도 4는 본 발명에 이용된 EBPs의 열적 프로파일이다. (A) EBPE[A1G4I1]n, (B) EBPP[A1G4I1]n, (C) EBPE[K1G4I1]n, (D) EBPP[K1G4I1]n, (E) EBPP[D1G4I1]n 및 (F) EBPP[G1A3F2]n. 열적 프로파일의 350nm에서의 광학 흡광도는, 1℃/분의 가열 속도로 1 내지 3 M NaCl이 보충된 PBS 완충제 내에서 25?M EBP 용액을 가열함으로써 얻었다.
도 5는 본 발명의 일 실시예에 따른, 다중 블럭 코폴리펩타이드의 분자 구조, 설계, 및 기능에 대한 모식도이다. (a) 융합 단백질들은 소수성 EBP 블럭, 친수성 EBPP 블럭, 시스테인 블럭 및 CPP로 이루어진다. (b) 시스테인 블럭에 있는 티올기들은 이황화 결합을 형성하는데, 상기 결합은 미셀들이 열 자극에 의해 자가조립 되었을 때 그 구조를 화학적으로 안정화 시킨다. (c) 다중 블럭 코폴리펩타이드는 코어(core)에 소수성 약물들을 포획할 수 있고, 쉘(shell)에서는 전하성 약물을 포획할 수 있으며, 시스테인 블럭은 미셀 구조체를 안정화 시키기 위해 이황화 결합을 형성한다. (d) 이황화 결합이 환원 조건하에서 분리된 후에 미셀에 있는 이중 약물들은 방출된다.
도 6은 본 발명의 다른 실시예에 따른, 다중 블럭 코폴리펩타이드의 분자 구조, 설계, 및 기능에 대한 모식도이다. (a) 융합 단백질들은 소수성 EBP 블럭, 친수성 EBP 블럭, 시스테인 블럭 및 CPP로 이루어진다. (B) 시스테인 블럭에 존재하는 티올기들은 메타크릴산염화 된 약물들로 접합될 수 있고, 소수성 코어는 소수성 약물들을 포획할 수 있다. (c) (i) 친수성 EBP 블럭의 카복실기들은 글리시딜 메타크릴산염으로 접합되는데, 이는 친수성 EBP 블럭에서 UV 가교로 미셀들을 안정화 시킬 수 있도록 도와준다. (ii) 일단 미셀들이 열 자극에 의해 자가조립되면, 친수성 EBP 블럭에 있는 메타크릴산염은 UV 노출을 통해서 가교화 된다.
도 7은 (a) 페네트라틴-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12, (b) 페네트라틴-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24, (c) SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12, 및 (d) SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24에 대한 (A) 아가로오스 겔(1%) 및 (B) SDS-PAGE 이미지(4-20% 구배 겔). (A) 다중 블럭 코폴리펩타이드를 암호화하는 변형된 pET21-a(+) 플라스미드는 Xba I 및 BamH I으로 절단되었다. 융합 단백질들을 암호화하는 유전자의 길이는 상기 유전자 단편 상단에 표기되었다. 각 DNA 단편의 크기는 표 4에서의 값과 다른데, 그 이유는 융합 단백질들을 암호화하는 유전자의 바깥에 제한효소 절단 부위들이 있기 때문이다. (B) 융합 단백질들은 대장균에서 발현되어 ITC로 정제되었다. 4-20% 구배 겔은 구리 염색으로 시각화 되었다. 예상된 분자량은 밴드 상단에 표기되었다.
도 8은 본 발명의 다중 블럭 코폴리펩타이드의 혼탁도 프로파일이다. (A) 아래 블럭들(각각 25 uM)에 대한 혼탁도 프로파일; (a) EBPP[E1G4I1]12-EBPP[G1A3F2]12, (b) (GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12, (c) 페네트라틴-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12, 및 (d) SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12. (B) 아래 블럭들(각각 25 uM)에 대한 혼탁도 프로파일; (a) EBPP[E1G4I1]12-EBPP[G1A3F2]24, (b) (GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24, (c) 페네트라틴-(GAC)4-EBPP[E1G4I1]24-EBPP[G1A3F2]24, 및 (d) SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24. 1/분의 가열 속도로 시료를 가열하면서 350 nm에서 흡광도를 측정했다. 위상 전이는 두 번 발생했다. 소수성 블럭의 응집으로 인해 일차 위상 전이가 발생되고, 극성 블럭의 영향을 받아 이차 위상 전이가 발생된다.
도 9는 (a) 페네트라틴-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12, (b) 페네트라틴-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24, (c) SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]12, 및 (d) SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24의 유체역학적 반경(hydrodynamic radius, Rh)은 DLS 기구로 측정되었다. 다중 블럭 코폴리펩타이드의 유체역학적 반경은 10 mM PBS에서 25 uM의 농도에서 측정되었다. 일차 위상 전이 전에 다중 블럭 코폴리펩타이드의 유체역학적 반경은 약 10에서 20 nm 였다.
도 10은 4 및 37℃에서 GMA 접합 및 UV 가교 후에 페네트라틴-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24의 유체역학적 반경(hydrodynamic radius, Rh)이다. 일단 다중 블럭 코폴리펩타이드가 미셀 구조체를 형성하면 친수성 블럭은 GMA로 접합되고 UV 노출로 가교되었다. 반경은 10 mM PBS에서 25 uM의 농도에서 측정되었다.
도 11은 4℃ 및 37℃에서 TCEP 처리 전(A) 및 처리 후(B), 주사기 여과 후(C), 및 과산화수소 처리 후(D)에 SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24의 유체역학적 반경(hydrodynamic radius, Rh)이다. SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24는 티올기들을 환원시키기 위해 TCEP로 처리되었고, 시스테인 블럭에서의 이황화 결합을 위해 과산화수소 처리 전에 주사기로 여과되었다. 반경은 10 mM PBS에서 25 uM의 농도에서 측정되었다.
도 12는, (A)시스테인 블럭이 산화되어 이황화결합을 통해 안정화된 SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24 미셀로부터 로다민 6G 및 플루오레세인 나트륨 염의 이중 방출 프로파일이고, (B) 시스테인 블럭에 화학적으로 결합된 아크릴화된 로다민 B 및소수성 EBP 블럭에 함입된 플루오레세인 나트륨 염의 SynB1-(GAC)4-EBPP[E1G4I1]12-EBPP[G1A3F2]24 미셀로부터 이중 방출 프로파일들이다. 미셀에서 이중 염료들은 PBS(pH 7.4)에서 방출되었다. 방출 시작 후 20 분, 40 분, 1 시간, 1 시간 20 분, 1 시간 40 분, 2 시간, 6 시간, 10 시간, 및 12 시간째 투석 완충액에서 부분 표본들이 채취되었다.
Claims (19)
- 세포투과성 폴리펩타이드 블럭(CPP 블럭); 및
상기 세포투과성 폴리펩타이드 블럭의 일 말단에 연결되는 시스테인 블럭(Cys); 및
상기 시스테인 블럭에 연결되는, 전하를 띠고 친수성인 엘라스틴 기반 폴리펩타이드 블럭(친수성 EBP 블럭); 및
상기 친수성 EBP에 연결되는 소수성 엘라스틴 기반 폴리펩타이드 블럭(소수성 EBP 블럭);
으로 구성된 다중 블럭 코폴리펩타이드를 포함하는, 약물전달체.
- 제1항에 있어서,
상기 친수성 EBP블럭은, Val-Pro-Gly-Xaa-Gly [서열번호 1] 또는 Val-Pro-Ala-Xaa-Gly [서열번호 2]으로 구성된 펜타펩타이드가 6n번 반복되고, 하기 식 1 또는 식 2로 표시되는 아미노산 서열로 이루어지는 것인, 약물전달체:
[식 1]
[Val-Pro-Gly-Xaa-Gly]6n; 또는
[식 2]
[Val-Pro-Ala-Xaa-Gly]6n,
상기 식 1 또는 식 2에서,
상기 n은 1 이상의 정수이고,
상기 Xaa 는 프롤린을 제외한 아미노산으로, 상기 펜타펩타이드가 반복될 때 임의의 천연 또는 인공 아미노산에서 선택되고, 상기 Xaa 중 적어도 하나는 전하를 띤 아미노산이고 친수성 아미노산임.
- 제1항에 있어서,
상기 소수성 EBP 블럭은,
Val-Pro-Gly-Xaa-Gly [서열번호 1] 또는 Val-Pro-Ala-Xaa-Gly [서열번호 2]으로 구성된 펜타펩타이드가 6n번 반복되고, 하기 식 1 또는 식 2로 표시되는 아미노산 서열로 이루어지는 것인, 약물전달체:
[식 1]
[Val-Pro-Gly-Xaa-Gly]6n; 또는
[식 2]
[Val-Pro-Ala-Xaa-Gly]6n,
상기 식 1 또는 식 2에서,
상기 n은 1 이상의 정수이고,
상기 Xaa 는 프롤린을 제외한 아미노산으로, 상기 펜타펩타이드가 반복될 때 임의의 천연 또는 인공 아미노산에서 선택되고, 상기 Xaa 중 적어도 하나는 소수성 또는 지방족 아미노산임.
- 제1항에 있어서,
상기 CPP 블럭은, Penetratin, SynB1, SynB1-NLS, poly-arginine, VP22, MAP, hCT-derived CPP, MPG, Buforin 2, PEP-1, 및 Magainin 2로 구성된 군으로부터 선택되는 것인 약물전달체.
- 제1항에 있어서,
상기 시스테인 블럭의 아미노산 상기 (Gly-Ala-Cys)이 1회 이상 반복되어 구성되는 것인 약물 전달체.
- 제5항에 있어서,
상기 시스테인 블럭의 아미노산 서열은 (Gly-Ala-Cys-Gly-Ala-Cys-Gly-Ala-Cys-Gly-Ala-Cys)[서열번호 43]로 표시되는 것인, 약물 전달체.
- 제2항에 있어서,
상기 친수성 EBP블럭은,
상기 식 1에서 n은 1이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
A(Ala), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지거나 [서열번호 20];
K(Lys), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지거나 [서열번호 22];
D(Asp), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지거나 [서열번호 24]; 또는
E(Glu), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지진 [서열번호 26]; 것이거나,
또는
상기 식 2에서 n은 1이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
A(Ala), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지거나 [서열번호 21];
K(Lys), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지거나 [서열번호 23];
D(Asp), G(Gly), I(Ile)가 1:4:1의 비율로 이루어지거나 [서열번호 25]; 또는
E(Glu), G(Gly), I(Ile)가 1:4:1의 비율로 이루어진 [서열번호 27];
것인. 약물전달체.
- 제3항에 있어서,
상기 소수성 EBP 블럭은,
상기 식 1에서 n은 1이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
G(Gly), A(Ala), F(Phe)가 1:3:2의 비율로 이루어진[서열번호 28] 것이거나, 또는
상기 식2에서 n은 1이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
G(Gly), A(Ala), F(Phe)가 1:3:2의 비율로 이루어지거나 [서열번호 29];
K(Lys), A(Ala), F(Phe)가 1:3:2의 비율로 이루어지거나 [서열번호 30];
D(Asp), A(Ala), F(Phe)가 1:3:2의 비율로 이루어지거나 [서열번호 31];
K(Lys), F(Phe)가 3:3의 비율로 이루어지거나 [서열번호 32];
D(Asp), F(Phe)가 3:3의 비율로 이루어지거나 [서열번호 33];
H(His), A(Ala), I(Ile)가 3:2:1의 비율로 이루어지거나 [서열번호 34];
H(His), G(Gly)가 5:1의 비율로 이루어지거나[서열번호 35]; 또는
G(Gly), C(Cys), F(Phe)가 1:3:2의 비율로 이루어진[서열번호 36]것인, 약물 전달체.
- 제2항에 있어서,
상기 친수성 EBP블럭은,
상기 식 2에서 n은 2이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
E(Glu), G(Gly), I(Ile)가 1:4:1의 비율로 이루어진[서열번호 44] 것인, 약물 전달체.
- 제3항에 있어서,
상기 소수성 EBP 블럭은
상기 식 2에서 n는 2 이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
G(Gly), A(Ala), F(Phe)가 1:3:2의 비율로 이루어지거나[서열번호 45] 또는
상기 식 2에서 n은 4이고, 상기 반복되는 펜타펩타이드 각각의 Xaa는,
G(Gly), A(Ala), F(Phe)가 1:3:2의 비율로 이루어진[서열번호46]것인, 약물전달체.
- 제1항에 있어서, 상기 약물전달체는,
CPP 블럭-시스테인 블럭(Cys)4-친수성 EBP 블럭 EBPP[E1G4I1]12[서열번호 44] -소수성 EBP 블럭 EBPP[G1A3F2]12[서열번호 45]로 구성되거나; 또는
CPP 블럭-시스테인 블럭(Cys)4- 친수성 EBP 블럭 EBPP[E1G4I1]12[서열번호 44] - 소수성 EBP 블럭 EBPP[G1A3F2]24[서열번호 46]로 구성되는것인, 약물 전달체.
- 제11항에 있어서,
상기 CPP 블럭은 페네트라틴(아미노산 서열번호 38) 또는 SynB1(아미노산 서열번호 40)이고,
상기 약물전달체는, 서열번호 51, 52, 53 및 54로부터 선택되는 하나인 것인, 약물전달체.
- 제1항에 있어서,
상기 다중 블럭 코폴리펩타이드는,
온도 자극에 의해 소수성 EBP블럭이 코어 구조를 형성하고, CPP 블럭-시스테인 블럭-친수성 EBP 블럭이 쉘 구조를 형성하면서, 코어-쉘 구조의 자가조립 나노구조체를 이루는 것인, 약물전달체.
- 제13항에 있어서,
상기 시스테인 블럭의 산화반응에 의해 상기 자가조립 나노구조체가 안정화되는 것인, 약물전달체.
- 제13항에 있어서,
상기 쉘 부분의 친수성 EBP블럭의 카르복실기에 아클릴레이트를 도입하고 자외선을 조사하여 상기 친수성 EBP 블럭과 상기 아크릴레이트가 화학적으로 결합함으로써, 상기 자가조립 나노구조체가 안정화되는 것인, 약물전달체.
- 제13항에 있어서,
상기 약물전달체는,
상기 자가조립 나노구조체의 코어 부분에 소수성 약물이 포획되고, 쉘 부분에 전하성 약물이 포획되어 상기 소수성 약물과 상기 전하성 약물의 방출을 제어하여 다중 약물 방출이 가능한 것인, 약물전달체.
- 제13항에 있어서,
상기 약물전달체는,
상기 시스테인 블럭의 산화-환원 반응에 의해 상기 소수성 약물과 상기 전하성 약물의 방출을 제어하여 다중 약물 방출이 가능한 것인, 약물전달체.
- 제13항에 있어서,
상기 약물전달체는,
상기 자가조립 나노구조체의 코어 부분에 소수성 약물이 포획되고, 상기 쉘 부분의 시스테인 블럭 내 싸이올기(thiol group)에 아크릴레이트가 결합된 전하성 약물이 접합되어, 상기 소수성 약물과 상기 전하성 약물의 방출을 제어하여 다중 약물 방출이 가능한 것인, 약물전달체.
- 제16항 에 있어서,
상기 자가조립 나노구체는 쉘에 포획된 전하성 약물을 방출하고, 그 다음에 코어에 포획된 소수성 약물이 방출되거나; 또는
코어에 포획된 소수성 약물이 방출되고, 그 다음에 쉘에 포획된 전하성 약물이 방출됨으로써, 순차적 약물 방출이 가능한 것인, 약물전달체.
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| WO2019231051A1 (ko) | 2018-06-01 | 2019-12-05 | 서강대학교 산학협력단 | 지질을 이용한 표면 개질을 통해 세포 내 섭취 효율을 향상시킨 나노입자 복합체 및 이의 제조방법 |
| WO2020231105A1 (ko) | 2019-05-10 | 2020-11-19 | 서강대학교 산학협력단 | 질병 치료용 나노입자 복합체 및 이의 제조방법 |
| WO2022045751A1 (ko) * | 2020-08-25 | 2022-03-03 | 한양대학교 에리카산학협력단 | 자극 반응성 및 표면 부착성을 가진 점착성 엘라스틴 및 서커린 기반 다중 블록 코폴리펩타이드, 그의 자가조립 구조체 및 주사형 하이드로겔의 생접착제 응용 |
| KR20220026514A (ko) | 2020-08-25 | 2022-03-04 | 한양대학교 에리카산학협력단 | 신혈관 생성 억제용 중합 유도 자가조립에 의한 단백질-고분자 하이브리드 나노구조체 및 이의 약학적 조성물 |
| CN117659211A (zh) * | 2023-12-08 | 2024-03-08 | 上海交通大学 | 一种温敏型可固-液相变的肽基凝聚体探针的设计及其应用 |
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| WO2019231051A1 (ko) | 2018-06-01 | 2019-12-05 | 서강대학교 산학협력단 | 지질을 이용한 표면 개질을 통해 세포 내 섭취 효율을 향상시킨 나노입자 복합체 및 이의 제조방법 |
| US11865211B2 (en) | 2018-06-01 | 2024-01-09 | Insbiopharm Co., Ltd. | Nanoparticle complex showing improved cellular uptake through surface modification using lipid and manufacturing method therefor |
| WO2020231105A1 (ko) | 2019-05-10 | 2020-11-19 | 서강대학교 산학협력단 | 질병 치료용 나노입자 복합체 및 이의 제조방법 |
| WO2022045751A1 (ko) * | 2020-08-25 | 2022-03-03 | 한양대학교 에리카산학협력단 | 자극 반응성 및 표면 부착성을 가진 점착성 엘라스틴 및 서커린 기반 다중 블록 코폴리펩타이드, 그의 자가조립 구조체 및 주사형 하이드로겔의 생접착제 응용 |
| KR20220026514A (ko) | 2020-08-25 | 2022-03-04 | 한양대학교 에리카산학협력단 | 신혈관 생성 억제용 중합 유도 자가조립에 의한 단백질-고분자 하이브리드 나노구조체 및 이의 약학적 조성물 |
| CN117659211A (zh) * | 2023-12-08 | 2024-03-08 | 上海交通大学 | 一种温敏型可固-液相变的肽基凝聚体探针的设计及其应用 |
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