KR102530956B1 - 아밀로이드 베타 유래 에피토프를 유효성분으로 포함하는 알츠하이머성 치매 백신 조성물 및 이의 용도 - Google Patents
아밀로이드 베타 유래 에피토프를 유효성분으로 포함하는 알츠하이머성 치매 백신 조성물 및 이의 용도 Download PDFInfo
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Abstract
Description
도 2는 선별된 10개의 후보 아밀로이드 베타 에피토프의 GOLD 스코어를 보여준다.
도 3은 아밀로이드 베타 에피토프 D1H 및 S8R의 B 세포에 대한 도킹 및 동적 시뮬레이션(docking and dynamic simulation) 모습을 보여준다.
도 4는 B 세포에 대한 도킹 및 동적 시뮬레이션 분석을 통한 아밀로이드 베타 에피토프 D1H 및 S8R의 결합친화도(binding affinity), 안정성(stability) 및 독성(toxicity) 분석 결과이다.
도 5는 본 발명에 사용된 알츠하이머성 치매 동물 모델 실험 개요도이다.
도 6은 알츠하이머성 치매 동물 모델에서 선발된 항원(D1H, S8R-OVA, S8R-KLH)의 기억 및 인지 기능 개선 효과를 분석한 행동실험 결과로, (A)는 Y-maze에서 측정한 자발적 교대 행동의 결과이고, (B)는 수동 회피 실험 결과이다. CTL: 정상 대조구, CTL+Aβ: 아밀로이드 베타만 주입, D1H: D1H 전처리 후 Aβ 주입, S8R-OVA: S8R-OVA 전처리 후 Aβ 주입, S8R-KLH: S8R-KLH 전처리 후 Aβ 주입, *: p< 0.05, **: p< 0.01, ***: p< 0.001.
도 7은 알츠하이머성 치매 동물 모델에서 선발된 항원(D1H, S8R-OVA, S8R-KLH) 투여시 뇌의 피질(cortex) 또는 해마(hippocampus)에서 나타나는 아밀로이드 베타 감소 효과를 확인한 웨스턴 블랏(A, B), 이의 정량화 그래프(C, D), 면역화학염색 결과(E) 및 형광 강도의 정량화 그래프(F)이다. (C)는 CTL(정상 대조구)의 발현 수준을 기준으로, (D)는 Aβ(아밀로이드 베타만 주입)의 발현 수준을 기준으로 각 실험군의 발현 정도를 나타낸 것이다. CTL: 정상 대조구, Aβ: 아밀로이드 베타만 주입, WT: WT(서열번호 2) 전처리 후 Aβ 주입, D1H: D1H 전처리 후 Aβ 주입, S8R: S8R 전처리 후 Aβ 주입, S8R-OVA: S8R-OVA 전처리 후 Aβ 주입, S8R-KLH: S8R-KLH 전처리 후 Aβ 주입, ***: p< 0.001.
도 8은 알츠하이머성 치매 동물 모델에서 선발된 항원(D1H, S8R-OVA, S8R-KLH) 투여시 나타나는 비장의 IgG 수준 변화(A), 혈장 내 IL-10 및 IgG의 수준 변화(B) 및 비장의 면역화학염색 결과(C)이다. CTL: 정상 대조구, Aβ: 아밀로이드 베타만 주입, D1H: D1H 전처리 후 Aβ 주입, S8R-OVA: S8R-OVA 전처리 후 Aβ 주입, S8R-KLH: S8R-KLH 전처리 후 Aβ 주입, ***: p< 0.001.
Claims (9)
- 서열번호 4의 아미노산 서열로 이루어진 펩타이드.
- 제1항에 있어서, 상기 펩타이드는 B 세포 특이적인 면역원성이 나타나는 것을 특징으로 하는 펩타이드.
- 서열번호 4의 아미노산 서열로 이루어진 펩타이드 및 캐리어 단백질의 융합 단백질.
- 제3항에 있어서, 상기 캐리어 단백질은 KLH (Keyhole Limpet Haemocyanin) 또는 OVA (ovalbumin)인 것을 특징으로 하는 융합 단백질.
- 제3항에 있어서, 상기 펩타이드의 N-말단은 아세틸화(acetylation)에 의해 변형된 것을 특징으로 하는 융합 단백질.
- 제1항의 펩타이드 또는 제3항의 융합 단백질을 유효성분으로 포함하는, 아밀로이드 베타 집적 관련 질환의 예방 또는 치료용 백신 조성물로서,
상기 아밀로이드 베타 집적 관련 질환은 치매, 알츠하이머병, 아밀로이드맥관병증, 대뇌 아밀로이드 맥관병증, 전신성 아밀로이드병, 더취(Dutch)형 아밀로이드증 및 봉입체 구염으로 이루어지는 군으로부터 선택되는 어느 하나인 것을 특징으로 하는 아밀로이드 베타 집적 관련 질환의 예방 또는 치료용 백신 조성물. - 삭제
- 삭제
- 인간을 제외한 동물에게 제6항의 백신 조성물을 투여하는 단계를 포함하는 것을 특징으로 하는, 아밀로이드 베타 집적 관련 질환의 예방 또는 치료방법으로서,
상기 아밀로이드 베타 집적 관련 질환은 치매, 알츠하이머병, 아밀로이드맥관병증, 대뇌 아밀로이드 맥관병증, 전신성 아밀로이드병, 더취(Dutch)형 아밀로이드증 및 봉입체 구염으로 이루어지는 군으로부터 선택되는 어느 하나인 것을 특징으로 하는 아밀로이드 베타 집적 관련 질환의 예방 또는 치료방법.
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