KR102208919B1 - 융합 펩타이드 나노 어셈블리와 칼슘 이온을 이용한 핵산 세포 형질도입법과 그의 응용 - Google Patents
융합 펩타이드 나노 어셈블리와 칼슘 이온을 이용한 핵산 세포 형질도입법과 그의 응용 Download PDFInfo
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- KR102208919B1 KR102208919B1 KR1020180085867A KR20180085867A KR102208919B1 KR 102208919 B1 KR102208919 B1 KR 102208919B1 KR 1020180085867 A KR1020180085867 A KR 1020180085867A KR 20180085867 A KR20180085867 A KR 20180085867A KR 102208919 B1 KR102208919 B1 KR 102208919B1
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Abstract
Description
도 2는 본 발명에 따른 플라스미드와 융합 펩타이드의 복합체 형성 정도를 아가로스겔 지연반응을 이용하여 확인한 결과를 나타낸 것이다.
도 3은 본 발명에 따른 SV40 단일 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 4는 본 발명에 따른 TAT 단일 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 5는 본 발명에 따른 Poly R 단일 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 6은 본 발명에 따른 SPACE 단일 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 7은 본 발명에 따른 SV40-TAT 융합 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 8은 본 발명에 따른 SV40-Poly R 융합 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 9는 본 발명에 따른 SV40-SPACE 융합 펩타이드 아민기 : 핵산 플라스미드 인산기 비율별로 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 10은 본 발명에 따른 배율 농도별 칼슘 이온의 SV40-TAT 융합 펩타이드와 시너지 효과에 의한 플라스미드 전달 효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 11은 본 발명에 따른 배율 농도별 칼슘 이온의 SV40-Poly R 융합 펩타이드와 시너지 효과에 의한 플라스미드 전달 효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 12는 본 발명에 따른 배율 농도별 칼슘 이온의 SV40-SPACE 융합 펩타이드와 시너지 효과에 의한 플라스미드 전달 효율을 발광효소로 측정한 결과를 나타낸 것이다.
도 13은 본 발명에 따른 여러 펩타이드들과 칼슘이온과 시너지 효과에 의한 플라스미드 전달효율 중 최적 비율만을 비교한 결과를 나타낸 것이다.
도 14는 본 발명에 따른 융합 펩타이드와 칼슘 이온의 시너지 효과에 의한 eGFP 플라스미드 전달효율을 형광현미경으로 관찰한 결과를 나타낸 것이다.
도 15는 본 발명에 따른 칼슘 이온과 농도별 융합 펩타이드의 세포독성을 확인한 결과를 나타낸 것이다.
Claims (17)
- 세포투과 펩타이드(cell penetrating peptide, CPP) 및 핵 이행 신호(nuclear localization signal, NLS)를 포함하는 세포 및 핵막-투과 융합 펩타이드(cell and nuclear-penetrating fusion peptide) 및 전달하고자 하는 핵산이 삽입된 플라스미드를 포함하는 핵산 형질도입용 약물 전달체로서;
상기 핵 이행 신호는 SV40(simian virus 40) T-항원이고;
상기 세포투과 펩타이드는 폴리-아르기닌 및 SPACE(skin permeating and cell entering peptide)로 구성된 군으로부터 선택되는 것이며;
상기 세포투과 펩타이드가 SPACE로 선택될 때, 세포 및 핵막-투과 융합 펩타이드 아민기:상기 플라스미드 인산기의 N/P비는 5:1 내지 20:1이며, 상기 세포투과 펩타이드가 폴리-아르기닌으로 선택될 때, 세포 및 핵막-투과 융합 펩타이드 아민기:상기 플라스미드 인산기의 N/P비는 0.5:1 내지 2.5:1인 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 삭제
- 제 1 항에 있어서, 상기 핵 이행 신호는 서열목록 제1서열의 아미노산 서열을 포함하는 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 폴리-아르기닌은 서열목록 제3서열(R7), 서열목록 제4서열(R8), 서열목록 제5서열(R9), 서열목록 제6서열(R10), 서열목록 제7서열(R11), 서열목록 제8서열(R12) 및 서열목록 제9서열(R13)로 구성된 군으로부터 선택되는 아미노산 서열을 포함하는 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 제 1 항에 있어서, 상기 SPACE는 서열목록 제10서열의 아미노산 서열을 포함하는 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 제 1 항에 있어서, 상기 세포투과 펩타이드 및 핵 이행 신호는 링커로 연결된 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 제 8 항에 있어서, 상기 링커는 2 내지 10개의 아미노산으로 이루어진 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 제 9 항에 있어서, 상기 링커는 시스테인(Cysteine) 및 글라이신(Glycine)을 포함하는 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 제 10 항에 있어서, 상기 링커는 서열목록 제11서열(GCG)의 아미노산 서열을 포함하는 것을 특징으로 하는 핵산 형질도입용 약물 전달체.
- 삭제
- (a) 칼슘이온(Ca2+) 또는 칼슘염(calcium salt) 및 (b) 제 1 항의 핵산 형질도입용 약물 전달체를 포함하는 유전자 형질도입용 키트.
- 삭제
- 삭제
- 삭제
- 하기의 단계를 포함하는 세포 및 핵막 투과용 약물 전달체의 제조방법:
(a) 세포투과 펩타이드(cell penetrating peptide, CPP) 및 핵 이행 신호(nuclear localization signal, NLS)를 포함하는 세포 및 핵막-투과 융합 펩타이드를 제조하는 단계; 및
(b) 상기 세포 및 핵막-투과 융합 펩타이드에 형질도입하고자 하는 핵산 및 칼슘 이온을 혼합하는 단계; 로서
상기 핵산은 플라스미드에 삽입되어 있고;
상기 핵 이행 신호는 SV40(simian virus 40) T-항원이고;
상기 세포투과 펩타이드는 폴리-아르기닌 및 SPACE(skin permeating and cell entering peptide)로 구성된 군으로부터 선택되는 것이며;
상기 세포투과 펩타이드가 SPACE로 선택될 때, 세포 및 핵막-투과 융합 펩타이드 아민기:상기 플라스미드 인산기의 N/P비는 5:1 내지 20:1이며, 상기 세포투과 펩타이드가 폴리-아르기닌으로 선택될 때, 세포 및 핵막-투과 융합 펩타이드 아민기:상기 플라스미드 인산기의 N/P비는 0.5:1 내지 2.5:1인 것을 특징으로 하는 세포 및 핵막 투과용 약물 전달체의 제조방법.
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