KR102505164B1 - 신경퇴행성 질환의 예방 또는 치료용 펩타이드 및 이를 포함하는 약학 조성물 - Google Patents
신경퇴행성 질환의 예방 또는 치료용 펩타이드 및 이를 포함하는 약학 조성물 Download PDFInfo
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- KR102505164B1 KR102505164B1 KR1020200126651A KR20200126651A KR102505164B1 KR 102505164 B1 KR102505164 B1 KR 102505164B1 KR 1020200126651 A KR1020200126651 A KR 1020200126651A KR 20200126651 A KR20200126651 A KR 20200126651A KR 102505164 B1 KR102505164 B1 KR 102505164B1
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Abstract
Description
도 2a 내지 2d는 알파시뉴클레인 단량체 및/또는 응집체가 v-SNARE 소낭의 뭉침 (클러스터링) 현상에 미치는 영향을 관찰한 결과이다.
도 3a 및 3b는 알파시뉴클레인 단량체 돌연변이 T44P/A89P가 알파시뉴클레인 응집체와 v-SNARE간의 결합을 방해함으로써 알파시뉴클레인 응집체의 소낭 막 융합 저해를 완화시키는 것을 확인한 결과이다.
도 4a 및 4b는 v-SNARE 지질막에서 음전하를 가지는 PS (Phosphatidyl Serine)가 제거된 소낭에서 응집체와 v-SNARE간의 결합이 방해되어 알파시뉴클레인 응집체의 소낭 막 융합 저해가 완화된 것을 확인한 결과이다.
도 5a 및 5b는 알파시뉴클레인 단량체 돌연변이 T44P/A89P가 알파시뉴클레인 응집체와 v-SNARE간의 결합을 방해한 경우 v-SNARE 소낭의 뭉침 (클러스터링)이 감소한 것을 관찰한 결과이다.
도 6a는 알파시뉴클레인의 C-말단 영역 (아미노산 서열 96-140) 및 인접 아미노산 (아미노산 서열 81-95)에서 유래한 본 발명의 펩타이드를 나타낸 모식도이다.
도 6b는 서열번호 2 내지 4의 펩타이드와 알파시뉴클레인 응집체 10nM를 함께 처리하여 소낭 융합의 회복 정도를 관찰한 결과이다.
도 6c는 알파시뉴클레인 응집체 없이 서열번호 2 내지 4의 펩타이드를 단독으로 처리하였을 때 소낭 융합의 회복 정도를 관찰한 결과이다.
도 6d는 SNARE 단백질이 없는 소낭(F)을 추가로 처리하였을 때 소낭 융합에 유의미한 차이를 보이지 않은 것을 확인한 결과이다.
번호 | 위치 | 서열 |
서열번호 1 | α-Syn 81-140 | TVEGAGSIAAATGFVKKDQLGKNEEGAPQE GILEDMPVDPDNEAYEMPSEEGYQDYEPEA |
서열번호 2 (CFα1) |
α-Syn 81-110 | TVEGAGSIAAATGFVKKDQLGKNEEGAPQE |
서열번호 3 (CFα2) |
α-Syn 96-125 | KKDQLGKNEEGAPQEGILEDMPVDPDNEAY |
서열번호 4 (CFα3) |
α-Syn 111-140 | GILEDMPVDPDNEAYEMPSEEGYQDYEPEA |
Claims (12)
- 서열번호 1의 아미노산 서열로 이루어진 것을 특징으로 하는 펩타이드.
- 서열번호 2의 아미노산 서열로 이루어진 것을 특징으로 하는 펩타이드.
- 서열번호 3의 아미노산 서열로 이루어진 것을 특징으로 하는 펩타이드.
- 서열번호 4의 아미노산 서열로 이루어진 것을 특징으로 하는 펩타이드.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 펩타이드는 신경퇴행성 질환의 예방 또는 치료용이고,
상기 신경퇴행성 질환은 파킨슨병, 알츠하이머병, 피크병, 헌팅톤병, 루게릭병, 프리온 질환, 루이소체 치매, 다계통 위축증, 진행성 핵상 마비, 프리드라이히 운동실조증, 측두엽 간질, 및 뇌졸중으로 이루어진 군에서 선택된 하나 이상인 것을 특징으로 하는 펩타이드.
- 삭제
- 제5항에 있어서, 상기 신경퇴행성 질환은 파킨슨병인 것을 특징으로 하는, 신경퇴행성 질환의 예방 또는 치료용 펩타이드.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 알파시뉴클레인 응집체와 v-SNARE 단백질의 결합을 저해하는 것을 특징으로 하는 펩타이드.
- 제1항 내지 제4항 중 어느 한 항의 펩타이드를 포함하는, 신경퇴행성 질환의 예방 또는 치료용 약학 조성물에 있어서,
상기 신경퇴행성 질환은 파킨슨병, 알츠하이머병, 피크병, 헌팅톤병, 루게릭병, 프리온 질환, 루이소체 치매, 다계통 위축증, 진행성 핵상 마비, 프리드라이히 운동실조증, 측두엽 간질, 및 뇌졸중으로 이루어진 군에서 선택된 하나 이상인 것을 특징으로 하는, 약학 조성물.
- 삭제
- 제9항에 있어서, 상기 신경퇴행성 질환은 파킨슨병인 것을 특징으로 하는, 신경퇴행성 질환의 예방 또는 치료용 약학 조성물.
- 제9항에 있어서, 상기 펩타이드는 알파시뉴클레인 응집체와 v-SNARE 단백질의 결합을 저해하는 것을 특징으로 하는, 신경퇴행성 질환의 예방 또는 치료용 약학 조성물.
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US20050198694A1 (en) | 2003-05-19 | 2005-09-08 | Elan Pharmaceuticals, Inc. | Truncated fragments of alpha-synuclein in Lewy body disease |
US20130131006A1 (en) | 2010-05-11 | 2013-05-23 | Gachon University Of Industry-Academic Cooperation Foundation | Method for inhibiting the induction of cell death by inhibiting the synthesis or secretion of age-albumin in cells of the mononuclear phagocyte system |
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US20050198694A1 (en) | 2003-05-19 | 2005-09-08 | Elan Pharmaceuticals, Inc. | Truncated fragments of alpha-synuclein in Lewy body disease |
US20130131006A1 (en) | 2010-05-11 | 2013-05-23 | Gachon University Of Industry-Academic Cooperation Foundation | Method for inhibiting the induction of cell death by inhibiting the synthesis or secretion of age-albumin in cells of the mononuclear phagocyte system |
WO2018232369A1 (en) * | 2017-06-16 | 2018-12-20 | United Neuroscience | Peptide immunogens from the c-terminal end of alpha-synuclein protein and formulations thereof for treatment of synucleinopathies |
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