KR102587729B1 - 펩타이드를 포함하는 당뇨망막병증의 치료용 조성물 - Google Patents
펩타이드를 포함하는 당뇨망막병증의 치료용 조성물 Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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Abstract
Description
도 3은 본 발명의 펩타이드 투여에 따른 스트렙토조토신 유도 당뇨망막병증 마우스 모델의 망막전위도검사 결과를 나타낸다.
도 4는 본 발명의 펩타이드 투여에 따른 db/db 마우스 모델의 망막전위도검사 결과를 나타낸다.
도 5 및 도 6은 본 발명의 펩타이드 투여에 따른 db/db 마우스 모델의 망막 혈관의 PAS staining 이미지, 및 혈관 내피 세포 및 혈관주위세포의 개수의 정량화 결과를 나타낸다.
도 7은 본 발명의 펩타이드 투여에 따른 스트렙토조토신 유도 당뇨망막병증 마우스 모델의 망막 조직 내 단백질의 발현을 확인한 결과를 나타낸다.
도 8은 본 발명의 펩타이드 투여에 따른 db/db 마우스 모델의 망막 조직 내 혈관내피성장인자(VEGF)의 발현을 확인한 결과를 나타낸다.
도 9는 본 발명의 펩타이드 투여에 따른 db/db 마우스 모델의 망막 조직 내 Akt의 인산화 정도를 확인한 결과를 나타낸다.
도 10은 본 발명의 펩타이드 투여에 따른 db/db 마우스 모델의 망막 조직 내 COX-2의 발현을 확인한 결과를 나타낸다.
도 11은 본 발명의 펩타이드 투여에 따른 db/db 마우스 모델의 망막 조직 내 JNK의 인산화 정도를 확인한 결과를 나타낸다.
도 12 및 도 13은 본 발명의 펩타이드 투여에 따른 제브라피쉬 당뇨망막병증 모델의 망막 혈관의 형광 촬영 이미지(*: optic nerve), 및 혈관 직경의 산출 결과를 나타낸다.
도 14 및 도 15는 본 발명의 펩타이드 투여에 따른 제브라피쉬 당뇨망막병증 모델의 망막 조직 내 유전자의 발현을 확인한 결과를 나타낸다.
도 16 및 도 17은 본 발명의 펩타이드 투여에 따른 제브라피쉬 당뇨망막병증 모델의 망막 조직의 형광 촬영 이미지, 및 세포 및 단백질의 발현을 확인한 결과를 나타낸다.
Claims (11)
- 삭제
- 삭제
- 서열번호 1의 아미노산 서열로 이루어진 펩타이드를 포함하는 망막병증 예방 또는 치료용 약학 조성물에 있어서, 상기 망막병증은 당뇨망막병증, 미숙아망막병증, 당뇨 망막 부종 및 망막정맥폐쇄로 이루어진 군에서 하나 이상 선택되는 것을 특징으로 하는 조성물.
- 삭제
- 제3항에 있어서, 상기 망막병증은 당뇨망막병증인 것을 특징으로 하는 망막병증 예방 또는 치료용 약학 조성물.
- 제3항에 있어서, 상기 당뇨망막병증은 비증식성 당뇨망막병증 또는 증식성 당뇨망막병증인 것을 특징으로 하는, 망막병증 예방 또는 치료용 약학 조성물.
- 제3항에 있어서, 상기 펩타이드는 신생 혈관의 생성을 억제하는 것을 특징으로 하는, 망막병증 예방 또는 치료용 약학 조성물.
- 제3항에 있어서, 상기 펩타이드는 혈관주위세포(pericyte)의 손실을 억제하는 것을 특징으로 하는, 망막병증 예방 또는 치료용 약학 조성물.
- 제3항에 있어서, 상기 펩타이드는 혈관 확장을 억제하는 것을 특징으로 하는, 망막병증 예방 또는 치료용 약학 조성물.
- 제3항에 있어서, 상기 펩타이드는 혈관내피성장인자(vascular endothelial growth factor)의 발현, Akt(Protein kinase B)의 인산화, COX-2의 발현 및 JNK(c-Jun N-terminal kinase)의 인산화 중 하나 이상을 억제시키는 것을 특징으로 하는, 망막병증 예방 또는 치료용 약학 조성물.
- 제3항에 있어서, 상기 펩타이드는 밀착연접(tight junction) 단백질인 ZO-1을 회복시키는 것을 특징으로 하는, 망막병증 예방 또는 치료용 약학 조성물.
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WO2024181833A1 (ko) * | 2023-02-27 | 2024-09-06 | 주식회사 아이바이오코리아 | 펩타이드를 포함하는 당뇨망막병증의 치료용 조성물 |
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