KR20220032310A - 방출 제어가 가능한 항체 전달체 - Google Patents
방출 제어가 가능한 항체 전달체 Download PDFInfo
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- KR20220032310A KR20220032310A KR1020200113938A KR20200113938A KR20220032310A KR 20220032310 A KR20220032310 A KR 20220032310A KR 1020200113938 A KR1020200113938 A KR 1020200113938A KR 20200113938 A KR20200113938 A KR 20200113938A KR 20220032310 A KR20220032310 A KR 20220032310A
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- phenylboronic acid
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 고분자-항체 나노복합체 중 고분자의 합성 반응도이다.
도 3은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체 중 고분자의 1H-NMR 스펙트럼이다.
도 4는 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 항체:고분자 비율에 따른 복합체의 크기 분포를 나타낸 그래프이다.
도 5는 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 형성을 FRET을 통해 관찰한 형광 분석 그래프이다.
도 6은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 TEM 이미지이다.
도 7은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 pH에 따른 방출 거동을 ELISA로 분석한 방출 그래프이다.
도 8은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체가 소화 효소에 의한 활성 저하를 막는지 여부를 관찰한 형광 현미경 이미지이다.
도 9는 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 세포 독성 평가 결과이다.
도 10은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 용혈도 시험 결과이다.
도 11은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 종양 축적 정도를 생체 형광 영상으로 촬영하고 분석한 결과이다.
도 12는 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 생체 동역학 결과를 ELISA로 분석한 결과이다.
도 13은 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 종양 억제능을 평가한 결과이다.
도 14는 본 발명의 일 실시예에 따른 고분자-항체 나노복합체의 투여 후 생쥐의 체중 변화를 평가한 결과이다.
Claims (16)
- 페닐보론산이 결합된 친수성 고분자를 포함하는 항체 전달체로서,
상기 친수성 고분자 내 페닐보론산 모이어티는 항체 외부에 노출된 다당류와 페닐보론에스테르 결합을 형성할 수 있는 것을 특징으로 하는, 항체 전달체. - 제1항에 있어서, 친수성 고분자는 말레산 무수물 중합체인 항체 전달체.
- 제2항에 있어서, 말레산 무수물 중합체에 결합되는 페닐보론산 모이어티의 몰 비율이 말레산 무수물 중합체 내 말레산 모이어티 기준으로 20 내지 40%인 항체 전달체.
- 제2항에 있어서, 말레산 무수물 중합체와 페닐보론산은 아마이드 결합을 통해 연결된 것인 항체 전달체.
- (i) 항체 및
(ii) 제1항 내지 제 5항 중 어느 한 항의 항체 전달체
를 포함하고, 상기 항체 외부에 노출된 다당류와 상기 항체 전달체 내 페닐보론산 모이어티가 페닐보론에스테르 결합으로 연결된 것인, 고분자-항체 나노복합체. - 제6항에 있어서, 150 내지 600nm의 크기를 갖는 나노복합체.
- 제6항에 있어서, 페닐보론에스테르 결합은 항체 다당류 내 다이올기와 페닐보론산 모이어티 사이에 형성되고, 여기서 다이올기와 페닐보론산 모이어티의 몰비는 1:20 내지 1:200인 나노복합체.
- 제6항에 있어서, 산성 조건에서 항체가 방출되는 것인 나노복합체.
- 제9항에 있어서, 산성 조건은 pH 3.5 내지 6.5인 나노복합체.
- (i) 친수성 고분자에 페닐보론산을 결합시켜 중합체를 형성하는 단계;
(ii) 상기 중합체의 페닐보론산 모이어티와 항체 외부에 노출된 다당류 사이에 페닐보론에스테르 결합을 형성하는 단계
를 포함하는, 제6항의 고분자-항체 나노복합체의 제조방법. - 제11항에 있어서, 중합체와 항체간 반응은 소수성 상호작용으로 인해 자가조립(self-assembly)으로 형성되는 것인 제조방법.
- 제6항의 고분자-항체 나노복합체를 포함하는 항체 제제.
- 제13항에 있어서, 산성 환경 조직에서 항체를 방출하는 것을 특징으로 하는 항체 제제.
- 제14항에 있어서, 항체는 항-PD-L1, 항-CTLA-4, 항-PD-1, 항-HER2, 항-CD20, 항-EGFR 및 항-VEGF 중에서 선택되는 1종 이상의 면역항암요법용 항체인 항암용 항체 제제.
- 제14항에 있어서, 항체는 항-TNF-a, 항-IL-6 및 항-IL-12 중에서 선택되는 1종 이상의 염증질환 치료용 항체인 항체 제제.
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KR20190075389A (ko) | 2017-12-21 | 2019-07-01 | 포항공과대학교 산학협력단 | 항암제가 담지된 나노구조체를 유효성분으로 포함하는 간암 치료용 약학조성물 |
KR20190081507A (ko) | 2017-12-29 | 2019-07-09 | 포항공과대학교 산학협력단 | 페닐보론산이 결합된 고분자를 포함하는 하이드로겔 |
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