KR20220141946A - 태평양굴에서 유래한 항균 펩타이드 및 이의 용도 - Google Patents
태평양굴에서 유래한 항균 펩타이드 및 이의 용도 Download PDFInfo
- Publication number
- KR20220141946A KR20220141946A KR1020210047811A KR20210047811A KR20220141946A KR 20220141946 A KR20220141946 A KR 20220141946A KR 1020210047811 A KR1020210047811 A KR 1020210047811A KR 20210047811 A KR20210047811 A KR 20210047811A KR 20220141946 A KR20220141946 A KR 20220141946A
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- Prior art keywords
- antibacterial
- peptide
- antibacterial peptide
- present
- derived
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Abstract
본 발명의 태평양굴에서 유래한 항균 펩타이드는 태평양굴의 아가미로부터 유래하는 펩타이드인 cgRPL29를 모체로 하여 디자인한 것이며, 아미노산 수를 절감하여 상용화가 가능하게 디자인된 것이다. 상기 디자인된 항균 펩타이드는 절감된 아미노산 수에도 불구하고 항균 활성이 매우 우수할 뿐만 아니라 막 투과성이 높고, 용혈 활성이 낮으므로, 항균용 약학 조성물, 식중독 예방 또는 치료용 약학 조성물, 항균용 식품 첨가제, 항균용 사료 첨가제, 항균용 화장료 조성물 또는 위생용품 등의 제조에 유용하게 활용될 수 있다.
Description
도 2는 태평양굴 유래 항균 펩타이드인 cgRPL29의 아미노산 서열 및 본 발명에 따른 항균 펩타이드의 디자인을 위한 모티프 (motif) 부분 (단편)의 위치를 나타내는 것이다. 또한, 상기 도 2는 상기 펩타이드 cgRPL29의 2차 구조를 예측한 것으로서, α-헬릭스 (α-helix) 구조를 형성함을 나타내는 것이다. 상기 도면에서, 'H'는 α-헬릭스 구조, 'E'는 β-시트 구조, 'T'는 turn 구조 및 'C'는 random coil 구조를 나타낸다.
도 3A는 본 발명에 따른 항균 펩타이드들의 아미노산 서열 및 1차 구조를 나타내는 것이고, 도 3B는 본 발명에 따른 항균 펩타이드 각각의 2차 구조 예측 결과 및 헬리컬 휠 다이어그램 (helical wheel diagram)을 나타내는 것이다.
도 4는 본 발명에 따른 항균 펩타이드들의 다양한 균주에 대한 항균 활성을 나타내는 것이다.
도 5는 본 발명에 따른 항균 펩타이드들의 대장균에 대한 내막투과성을 나타내는 것이다.
도 6은 본 발명에 따른 항균 펩타이드들의 대장균에 대한 MBC (Minimum Bactericidal Concentration)를 측정한 결과를 나타내는 것이다.
도 7은 본 발명에 따른 항균 펩타이드들의 1×MBC와 5×MBC에서의 대장균에 대한 사멸 동역학 실험 (killing kinetics study) 수행 결과를 나타내는 것이다.
| 서열번호 | Peptide | Sequence | 개수 |
| 서열번호 1 | 비교예 | KFLKNLKFSKKH-NH2 | 12 |
| 서열번호 2 | 실시예 1 | KFLKLLKKLLK-NH2 | 11 |
| 서열번호 3 | 실시예 2 | KFLKLLKKLLKH-NH2 | 12 |
| 서열번호 4 | 실시예 3 | D-KFLKLLKKLLK-NH2 | 11 |
| Microbes | Gram | Minimal Effectives Concentration (㎍/mL) [μM]n | ||||
| 비교예 | 실시예 1 | 실시예 2 | 실시예 3 | Piscidin1 | ||
| B.subtilis KCTC1021 | + | 16.8 | 6.7 | 1.0 | 4.4 | 7.5 |
| S.epidermidis KCTC1917 | + | >100 | 5.9 | 1.2 | 6.9 | NT |
| S.mutans KCCM40105 | + | 3.0 | 4.3 | 0.7 | 3.2 | 3.2 |
| P.acnes KCTC11946 | + | >100 | 8.8 | 1.7 | 2.6 | NT |
| E.coli D31 | - | 18.2 | 10.8 | 4.9 | 9.0 | 3.8 |
| E.coli ML35p | - | 1.8 | 6.2 | 1.7 | 3.5 | 2.3 |
| S.flexneri KCTC2009 | - | 3.2 | 8.7 | 2.4 | 2.6 | 8.0 |
| P.aeruginosa KCTC2004 | - | >100 | 8.5 | 4.2 | 3.0 | 8.0 |
| V.parahaemolyticus KCCM42264 | - | 90.5 | 4.6 | 0.7 | 3.0 | 3.0 |
| C.albicans KCTC7965 | Yeast | >100 | 9.7 | 6.0 | 9.4 | >62.5 |
| 펩타이드 | Minimum Inhibitory Concentration (MIC, ㎍/mL) |
| 비교예 | > 100 |
| 실시예 1 | 3.13 |
| 실시예 2 | 6.25 |
| 실시예 3 | 25 |
| 펩타이드 | Minimum Bactericidal Concentration (MBC, ㎍/mL) |
| 비교예 | > 100 |
| 실시예 1 | 3.13 |
| 실시예 2 | 6.25 |
| 실시예 3 | 25 |
| 배합성분 | 제조예2-1 (중량%) |
| 본 발명의 항균 펩타이드 | 0.01~30 |
| 1,3-부틸렌글리콜 | 3.0 |
| 글리세린 | 5.0 |
| 폴리옥시에틸렌(60) 경화피마자유 | 0.2 |
| 에탄올 | 8.0 |
| 구연산 | 0.02 |
| 구연산나트륨 | 0.06 |
| 방부제 | 미량 |
| 향료 | 미량 |
| 정제수 | to 100 |
| 배합성분 | 제조예2-2 (중량%) |
| 본 발명의 항균 펩타이드 | 0.01~30 |
| 1,3-부틸렌글리콜 | 3.0 |
| 글리세린 | 5.0 |
| 스쿠알란 | 10.0 |
| 모노올레인산폴리옥시에틸렌소르비탄 | 2.0 |
| 유창목오일 | 0.1~30 |
| 폴리옥시에틸렌(60) 경화피마자유 | 0.2 |
| 에탄올 | 8.0 |
| 구연산 | 0.02 |
| 구연산나트륨 | 0.06 |
| 방부제 | 미량 |
| 향료 | 미량 |
| 정제수 | to 100 |
| 배합성분 | 제조예2-3 (중량%) |
| 본 발명의 항균 펩타이드 | 0.01~30 |
| N-아실글루타민산나트륨 | 20.0 |
| 글리세린 | 10.0 |
| PEG-400 | 15.0 |
| 프로필렌글리콜 | 10.0 |
| POE(15) 올레일알코올에테르 | 3.0 |
| 라우린유도체 | 2.0 |
| 메틸파라벤 | 0.2 |
| EDTA-4Na | 0.03 |
| 향료 | 미량 |
| 정제수 | to 100 |
| 배합성분 | 제조예2-4 (중량%) |
| 본 발명의 항균 펩타이드 | 0.01~30 |
| 바셀린 | 7.0 |
| 유동파라핀 | 10.0 |
| 밀납 | 2.0 |
| 폴리솔베이트60 | 2.5 |
| 솔비탄세스퀴올레이트 | 1.5 |
| 스쿠알란 | 3.0 |
| 프로필렌글리콜 | 6.0 |
| 글리세린 | 4.0 |
| 트리에탄올아민 | 0.5 |
| 산탄검 | 0.5 |
| 코토페닐아세테이트 | 0.1 |
| 향료, 방부제 | 미량 |
| 정제수 | to 100 |
Claims (12)
- 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드.
- 제1항에 있어서,
상기 항균 펩타이드는 C-말단이 α-헬릭스(α-helix) 구조인 것을 특징으로 하는 항균 펩타이드. - 제1항에 있어서,
상기 항균 펩타이드는 C-말단이 아미드화(amidation)된 것을 특징으로 하는 항균 펩타이드. - 제1항에 있어서,
상기 항균 펩타이드는 그람 양성균, 그람 음성균 및 효모(yeast)로 이루어진 군으로부터 선택되는 어느 하나 이상에 항균 활성을 갖는 것을 특징으로 하는 항균 펩타이드. - 제1항에 있어서,
상기 항균 펩타이드는 바실러스 서브틸리스(Bacillus subtilis), 스타필로코커스 에피더미디스(Staphylococcus epidermidis), 스타필로코커스 뮤탄스(Staphylococcus mutans), 프로피오니박테리움 아크네스(Propionibacterium acnes), 대장균(E. coli D31), 대장균(E. coli ML35p), 시겔라 플렉스네리(Shigella flexneri), 슈도모나스 에루지노사(Pseudomonas aeruginosa), 비브리오 파라헤몰리티쿠스(Vibrio parahaemolyticus) 및 칸디다 알비칸스(Candida albicans) 중에서 선택되는 어느 하나 이상에 항균 활성을 갖는 것을 특징으로 하는 항균 펩타이드. - 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드를 유효성분으로 포함하는 항균용 약학 조성물.
- 제6항에 있어서,
상기 항균 펩타이드는 바실러스 서브틸리스(Bacillus subtilis), 스타필로코커스 에피더미디스(Staphylococcus epidermidis), 스타필로코커스 뮤탄스(Staphylococcus mutans), 프로피오니박테리움 아크네스(Propionibacterium acnes), 대장균(E. coli D31), 대장균(E. coli ML35p), 시겔라 플렉스네리(Shigella flexneri), 슈도모나스 에루지노사(Pseudomonas aeruginosa), 비브리오 파라헤몰리티쿠스(Vibrio parahaemolyticus) 및 칸디다 알비칸스(Candida albicans) 중에서 선택되는 어느 하나 이상에 항균 활성을 갖는 것을 특징으로 하는 항균용 약학 조성물. - 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드를 유효성분으로 포함하는 식중독 예방 또는 치료용 약학 조성물.
- 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드를 유효성분으로 포함하는 항균용 식품 첨가제.
- 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드를 유효성분으로 포함하는 항균용 사료 첨가제.
- 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드를 유효성분으로 포함하는 항균용 화장료 조성물.
- 태평양굴(Crassostrea gigas)로부터 유래한 서열번호 2 내지 4 중에서 선택된 어느 하나의 아미노산 서열로 이루어진 항균 펩타이드를 유효성분으로 포함하는 위생용품.
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