KR20190101367A - 신경 질환의 치료 - Google Patents
신경 질환의 치료 Download PDFInfo
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- KR20190101367A KR20190101367A KR1020197015601A KR20197015601A KR20190101367A KR 20190101367 A KR20190101367 A KR 20190101367A KR 1020197015601 A KR1020197015601 A KR 1020197015601A KR 20197015601 A KR20197015601 A KR 20197015601A KR 20190101367 A KR20190101367 A KR 20190101367A
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- peptide
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- arg
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Abstract
Description
본 명세서에서 사용된 약어 "DA4"는 SEQ ID. No. 11에 보여지는 아미노산 서열을 포함하는 GIP/GLP-1 공동-작용제를 지칭한다.
본 명세서에서 사용된 약어 "DA5"는 SEQ ID. No. 12에 보여지는 아미노산 서열을 포함하는 GIP/GLP-1 공동-작용제를 지칭한다.
도 1은 형질전환 마우스(알츠하이머병 모델)의 피질 내 베타-아밀로이드 플라그 부하의 면역조직화학적 측정을 나타낸다. 모든 펩타이드는 플라그 부하를 줄였다. 본 발명의 구현예의 두 공동-작용제 펩타이드(DA4 및 DA5)는 단일 GIP 또는 GLP-1 유사체보다 우수하였고, DA4 및 DA5의 투여는 베타-아밀로이드 플라그 부하를 줄였으며, 베타 아밀로이드 면역조직화학 및 뇌 피질의 횡단면 내 베타 아밀로이드에 대해 양성인 % 영역 측정에 의해 정량화되었다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=6.
도 2는 DA4 및 DA5 펩타이드가 형질전환 마우스(알츠하이머병 모델)의 피질 내 시냅스 손실을 보호하는 것을 나타내는 그래프이며, 형질전환 마우스의 피질 내 시냅스 밀도의 면역조직화학 측정에 의해 정량화되었다. 모든 펩타이드는 시냅스 손실을 보호하였다. 본 발명의 구현예의 두 공동-작용제 펩타이드 모두 단일 GIP 또는 GLP-1 유사체보다 우수하였다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=6.
도 3은 MPTP가 도파민 수준을 줄이는 것에 의해 유발되는 운동 능력의 손상으로부터 DA4 및 DA5 펩타이드가 마우스를 보호하는 것을 나타내는 그래프이다. 로타로드 운동 능력 테스트는 이하 설명된 대로 수행되었다. 각 동물의 인내 시간은 기록되었고, 평균이 계산되었다. 데이터는 사후 본페로니 검정과 함께 일원분산분석을 사용하여 분석되었다. 본 발명 구현예의 두 공동-작용제 펩타이드는 단일 GIP 또는 GLP-1 유사체보다 우수하였다. 대조군=MPTP가 없는 야생형 마우스. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=6.
도 4는 MPTP로 유발된, 흑질 치밀부에서 도파민을 합성하는 TH 효소의 감소를 나타낸다. DA4 및 DA5 모두 단일 GIP 및 GLP-1 유사체보다 더 높은 비율로 도파민작용성 뉴런을 보호하였다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=6.
도 5는 DA5 펩타이드가 APP/PS1 및 야생형 마우스의 운동(locomotor) 및 탐색 수행에 영향을 주지 않는 것을 나타낸다. 오픈 필드 테스트는 식염수/DA5 처리된 마우스의 자발적 행동을 측정하도록 수행되었다. 통계적 분석(p=>0.05)은 식염수/DA5 그룹 사이의 어떤 차이를 보여주지 않았다 (A,B).
도 6은 DA5 Y-미로 시험에서 펩타이드 처리 시 APP/PS1 마우스의 향상된 공간 작업 기억을 나타낸다. APP/PS1 마우스에서 오른쪽 변경 비율이 현저하게 줄어들었다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=8-14.
도 7은 APP/PS1 마우스에서 관찰되는 공간 기억의 질병이 DA5 처리로 개선될 수 있음을 나타낸다. 고전 모리스 물미로 시험이 수행되었고 마우스의 공간 기억은 이하 설명된 대로 탐색 시험에 의해 평가되었다(도 7a, 7b). 각 동물의 탈출 지연은 훈련 기간동안 기록되었고 평균이 계산되었다 (도 7c, 7d). 탐색 시험은 DA5 처리 APP/PS1 마우스가 APP/PS1-식염수 마우스보다 탈출 경로를 훨씬 많이 상기함을 보여주었다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=8-14.
도 8은 DA5 펩타이드가 APP/PS1 마우스의 인지 유연성 감소를 보호하고 재학습 능력을 회복시키는 것을 나타낸다. 역 모리스 물미로 시험은 이하 설명된 대로 수행되었다 (도 8a, 도 8b). 각 동물의 탈출 지연은 연장된 훈련 기간 동안 기록되었고 평균이 계산되었다 (도 8c, 8d). 탐색 시험은 DA5 처리 APP/PS1 마우스가 APP/PS1-식염수 마우스보다 탈출 경로의 변화를 훨씬 많이 상기함을 보여주었다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=8-14.
도 9는 DA5 펩타이드가 APP/PS1 마우스에서 시냅스 강도를 유지시키는 것을 나타낸다 (도 9a). 마우스에 DA5 전-처리는 APP/PS1 형질전환 마우스에서 관찰되는 L-LTP의 하락을 역전시킬 수 있었다 (도 9b). 더욱이, DA5 처리된 APP/PS1 마우스는 높은 수준의 L-LTP 후 신경 자극(post neuronal stimuli)을 유지하였다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=6.
도 10은 DA5가 APP/PS1 마우스에서 신경섬유엉킴(neurofibrillary tangles)을 줄이는 것을 나타내는 그래프이다. p-타우 단백질의 면역형광 염색의 정량화는 APP/PS1-식염수 처리 마우스와 비교하여 APP/PS1 DA5 처리 마우스에서 감소된 신경섬유엉킴을 보여주었다. *= p<0.05, **=p<0.01; ***=p<0.001. 그룹 당 N=4.
도 11은 DA5가 AD 마우스에서 인지 행동을 보호하고 병리학적 변화를 호전할 수 있음을 나타내는 웨스턴 블랏 및 그래프를 보여준다. APP/PS1 마우스에 DA5의 처리는 P13/AKT 신호전달을 상향조절하여 GSKβ의 과한 활성을 예방한다 (A-G). *= p<0.05, 그룹 당 N=6.
도 12는 본 명세서에 설명된 펩타이드의 아미노산 서열을 열거하였다.
Claims (28)
- 일반식 I로 표시되는 GIP/GLP-1 공동-작용제 펩타이드 또는 유도체이거나 상기 펩타이드 또는 유도체의 약학적으로 허용 가능한 염 또는 용매화물:
Tyr-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Ile-Tyr-Leu-Asp-Lys-Gln-Ala-Ala-Aib-Glu-Phe-Val-Xaa24 -Trp-Leu-Leu-Ala-Gly-Y1-Y2-R2
(Ⅰ) (SEQ. ID. No. 1)
여기서 Xaa24는 Asn 및 Cys로부터 선택되고;
Y1은 부재하거나 적어도 여덟개의 아미노산 분자를 포함하는 연장부로부터 선택되고;
Y2는
Lys-Lys-Lys-Lys-Lys(SEQ. ID. No 2);
Lys-Lys-Lys-Lys-Lys-Lys(SEQ. ID. No. 3);
Arg-Arg-Gln-Arg-Arg-Lys-Lys-Arg-Gly-Tyr(SEQ. ID. No 4); 및
Lys-Arg-Arg-Gln-Arg-Arg-Lys-Lys-Arg-Gly-Tyr(SEQ. ID. No 5)로부터 선택되고; 및
R2는 -NH2 또는 -OH로부터 선택된다. - 제1항에 있어서, Y2는 Lys-Lys-Lys-Lys-Lys 또는 Lys-Lys-Lys-Lys-Lys-Lys인 펩타이드.
- 제1항에 있어서, Y2는 Arg-Arg-Gln-Arg-Arg-Lys-Lys-Arg-Gly-Tyr 또는 Lys-Arg-Arg-Gln-Arg-Arg-Lys-Lys-Arg-Gly-Tyr인 펩타이드.
- 제1항 내지 제3항 중 어느 한 항에 있어서, Y1은 적어도 10개의 아미노산을 포함하는 연장부인, 펩타이드.
- 제1항 내지 제4항 중 어느 한 항에 있어서, Y1은
Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser (SEQ. ID. No. 6);
Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-Lys (SEQ. ID. No. 7);
Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-Cys (SEQ. ID. No. 8);
Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser (SEQ. ID. No. 9);
Pro-Ser-Ser-Gly-Ala-Pro-Pro-Ser (SEQ. ID. No. 10); 및
부재로부터 선택되는, 펩타이드. - 제5항에 있어서, Y1은
Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser;
Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-Cys; 및
Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-Lys
로부터 선택되는, 펩타이드. - 제1항에 있어서, 다음의 아미노산 서열을 포함하고:
YXEGTFTSDYSIYLDKQAAXEFVNWLLAGGPSSGAPPPSKKKKKK-NH2 (SEQ. ID. No. 11)
여기서 X는 아미노이소뷰티르산(aminoisobutyric acid)인, 펩타이드. - 제1항에 있어서, 다음의 아미노산 서열으로 필수적으로 이루어지고:
YXEGTFTSDYSIYLDKQAAXEFVNWLLAGGPSSGAPPPSKKKKKK-NH2 (SEQ. ID. No. 11)
여기서 X는 아미노이소뷰티르산인, 펩타이드. - 제1항에 있어서, 다음의 아미노산 서열을 포함하고:
YXEGTFTSDYSIYLDKQAAXEFVNWLLAGGPSSGAPPPSKRRQRRKKRGY-NH2 (SEQ. ID. No. 12)
여기서 X는 아미노이소뷰티르산인, 펩타이드. - 제1항에 있어서, 다음의 아미노산 서열으로 필수적으로 이루어지고:
YXEGTFTSDYSIYLDKQAAXEFVNWLLAGGPSSGAPPPSKRRQRRKKRGY-NH2 (SEQ. ID. No. 12)
여기서 X는 아미노이소뷰티르산인, 펩타이드. - 제1항 내지 제10항 중 어느 한 항에 있어서, 아미노산에 공유결합된 친수성 부분(moiety)을 포함하는 펩타이드.
- 제11항에 있어서, Y1이 적어도 10개의 아미노산 또는 적어도 11개의 아미노산을 포함하는 연장부일 때, (i) 위치 24의 아미노산 또는 (ⅱ) 위치 39 또는 40의 아미노산과 공유결합된 친수성 부분을 포함하는 펩타이드.
- 제12항에 있어서, Xaa39 또는 Xaa40는 Cys이고 펩타이드는 Cys(39) 또는 Cys(40)과 공유결합된 친수성 부분을 포함하거나, 또는 Xaa24가 Cys이고 펩타이드는 Cys(24)과 공유결합된 친수성 부분을 포함하는 펩타이드.
- 제11항 내지 제13항 중 어느 한 항에 있어서, 친수성 부분은 수용성 중합체이며, 선택적으로 수용성 중합체는 폴리에틸렌 글리콜 부분이고 선택적으로 약 20,000 달톤 내지 약 60,000 달톤의 분자량을 가지는 폴리에틸렌 글리콜 부분인, 펩타이드.
- 제1항 내지 제14항 중 어느 한 항에 있어서, 펩타이드는 친유성 치환체와 결합된 펩타이드.
- 제15항에 있어서, 친유성 치환체는 아실(acyl)기를 포함하고, 선택적으로 지방산 분자이며 또한 선택적으로 지방산 분자는 C-8 옥테인오일(octanoyl)기, C-10 데칸오일(decanoyl)기, C-12 라우로일(lauroyl)기, C-14 미리스토일(myristoyl)기, C-16 팔미토일(palmitoyl)기, C-18 스테아로일(stearoyl) 및 C-20 아실기로부터 선택되는, 펩타이드.
- 제15항 또는 제16항 중 어느 한 항에 있어서, 친유성 치환체는 펩타이드의 카르복실-말단에서 아미노산에 부착된, 펩타이드.
- 제15항 내지 제17항 중 어느 한 항에 있어서, 친유성 치환체를 아미노산 잔기에 결합하는 스페이서를 포함하는 펩타이드.
- 제18항에 있어서, 스페이서는 자연 발생 또는 비천연 아미노산의 잔기이고, 스페이서는 Gly, Pro, Ala, Val, Leu, Ile, Met, Cys, Phe, Tyr, Trp, 잔 His, Lys, Arg, Gln, Asn, α-Glu, γ-Glu, ε-Lys, Asp, Ser, Thr, Gaba, Aib, β-아미노헥소닐(β-aminohexonyl), 7-아미노헵탄오일(7-aminoheptanoyl), 8-아미노옥탄오일(8-aminooctanoyl), 9-아미노노난오일(9-aminononanoyl), 10-아미노데칸오일(10-aminodecanoyl) 또는 8-아미노-3,6-다이옥사옥탄오일(8-amino-3,6- dioxaoctanoyl)의 잔기를 포함하는, 펩타이드.
- 제19항에 있어서, 스페이서는 γ-Glu이거나 또는 스페이서는 다이펩타이드이고, 선택적으로 스페이서는 두개의 음으로 하전된 아미노산을 포함하고, 또한 선택적으로 스페이서는 γ-Glu- γ-Glu인, 펩타이드.
- 제1항 내지 제20항 중 어느 한 항에 있어서, 신경계 질병의 치료 및/또는 예방에 사용하기 위한 펩타이드.
- 제21항에 있어서, 환자의 영역에 베타-아밀로이드 플라그 침적에 의해 야기되거나 그와 관련된 신경계 질병의 치료에 사용하기 위한 펩타이드.
- 제21항에 있어서
a) 시냅스 전달의 장기상승작용(long-term potentiation)의 기능 이상; 또는
b) 염증
에 의해 야기되거나, 또는 그와 관련된 신경계 질병의 치료 및/또는 예방에 사용하기 위한, 펩타이드. - 제21항에 있어서, 인지 기능, 예컨대 치매, 뇌졸중, 조현병 및/또는 조울증에 영향을 주는 신경계 질병의 치료 및/또는 예방에 사용하기 위한 것이며, 선택적으로 질병은 뇌졸중과 관련된 뇌경색인, 펩타이드.
- 제21항에 있어서, 외상 후 스트레스 장애, 뇌전증, 투렛 증후군, 및 환각으로부터 선택된 질병; 및 선택적으로 주의, 계산, 기억, 판단, 통찰, 학습 및 추론으로부터 선택된 인지 과정의 기능 이상의 치료 및/또는 예방용인, 펩타이드.
- 제21항에 있어서, 신경퇴행성 질병, 예컨대 알츠하이머병, 파킨슨병, 근위축성측색경화증(Amyotrophic Lateral Sclerosis), 말초신경병증, 헌팅턴병 및 크로이츠펠트-야콥병의 치료 및/또는 예방에 사용하기 위한 펩타이드.
- 제21항에 있어서, 임상 또는 전-임상의 알츠하이머병, 전조의 알츠하이머병, 및 임상 또는 전임상의 아밀로이드혈관병(CAA)으로부터 선택된 신경계 질병의 치료 및/또는 예방에 사용하기 위한 펩타이드.
- 임상의 알츠하이머병의 치료 및/또는 예방에 사용하기 위한 것이고, 다음의 서열:
(a) YXEGTFTSDYSIYLDKQAAXEFVNWLLAGGPSSGAPPPSKKKKKK-NH2
여기서 X는 아미노이소뷰티르산; 또는
(b) YXEGTFTSDYSIYLDKQAAXEFVNWLLAGGPSSGAPPPSKRRQRRKKRGY-NH2
여기서 X는 아미노이소뷰티르산으로 이루어지는 펩타이드.
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