KR102721257B1 - 가교 젤라틴 기반 흡수성 체내용 지혈 조성물 - Google Patents
가교 젤라틴 기반 흡수성 체내용 지혈 조성물 Download PDFInfo
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- KR102721257B1 KR102721257B1 KR1020240018571A KR20240018571A KR102721257B1 KR 102721257 B1 KR102721257 B1 KR 102721257B1 KR 1020240018571 A KR1020240018571 A KR 1020240018571A KR 20240018571 A KR20240018571 A KR 20240018571A KR 102721257 B1 KR102721257 B1 KR 102721257B1
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Abstract
Description
도 2a는 푸리에 변환 적외선 분광(Fourier-transform infrared spectroscopy, FT-IR) 기기를 이용하여 가교 전후의 젤라틴 내 파수(wave number)에 따른 흡광도(absorbance)를 측정한 결과이다.
도 2b는 양성자 핵자기 공명(proton nuclear magnetic resonance, 1H-NMR) 기기를 이용하여 가교 전후(가교 전: Gelatin, 가교 후: Crosslinked Gelatin)의 젤라틴 내 공명 진동수에 따른 스펙트럼을 나타낸 결과이다.
도 2c는 고성능 액체 크로마토그래피(HPLC) 기기를 활용하여 글루타르알데히드 가교량(0, 8, 15, 27%)에 따른 가교 젤라틴의 라이신(Lysine)피크의 면적을 정량화하고(위), 이로부터 가교도 측정치(아래)를 나타낸 결과이다.
도 3은 다양한 가교도(0, 1, 2, 5, 7, 8%)에 따른 젤라틴 입자를 50℃ 조건에서 1시간 보관 후 안정성을 확인한 결과이다.
도 4a는 가교도가 8 % 및 15 % 인 젤라틴 입자를 SD rat 동물 모델(n=2)의 등 부분에 주입한 가교된 젤라틴의 in vivo 분해 양상을 주입 1주, 2주, 3주, 그리고 7주 후에 잔존 젤라틴의 크기를 관찰하고 측정하여 비교 확인한 결과이다.
도 4b는 가교도가 8 % 및 15 % 인 젤라틴 입자를 SD rat 동물 모델(n=2)의 등 부분에 주입한 가교된 젤라틴의 in vivo 분해 양상을 주입 2주, 3주, 그리고 7주 후 해당 부위를 sectioning 한 다음 H&E 염색(Hematoxylin and eosin staining)을 통하여 현미경으로 관찰하고 측정하여 비교 확인한 결과이다.
도 5은 SD rat 동물 모델을 통하여 지혈 유효성을 평가하는 과정을 (i)제모, (ii)소독, (iii)절개 및 간조직 노출, (iv)출혈유도, 그리고 (v)시료 물질 적용 순으로 보여주는 이미지이다.
도 6a는 SD rat 동물 모델(n=10)을 이용하여 혈장분획제재(thrombin)를 포함하지 않은 시료들의 지혈시간(hemostasis time, sec)을 측정하고 유효성을 비교한 결과이다.
시료#1: 멸균거즈, sterilized gauze, 음성대조군(negative control)
시료#2: 상용 콜라겐 기반 지혈제(오스젠, 대한민국), 양성대조군(positive control)
시료#3: 가교도 4 % 젤라틴 기반 지혈제
시료#4: 가교도 9 % 젤라틴 기반 지혈제
도 6b는 SD rat 동물 모델(n=10)을 이용하여 혈장분획제재(thrombin)를 포함하지 않은 시료들의 출혈량(total blood loss, mg)을 측정하고 유효성을 비교한 결과이다.
도 6c는 SD rat 동물 모델(n=10)을 이용하여 혈장분획제재(thrombin)를 포함하지 않은 시료들의 3분 지혈 성공률(hemostasis in 3 minutes, %)을 수치화하고 유효성을 비교한 결과이다.
도 6의 데이터 = 평균 ± 표준오차; 및 *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001.
도 7a는 SD rat 동물 모델(n=10)을 이용하여 시료#1 및 혈장분획제재(thrombin)를 포함한 시료들의 지혈시간(hemostasis time, sec)을 측정하고 유효성을 비교한 결과이다.
시료#1: 멸균거즈, sterilized gauze, 음성대조군(negative control)
시료#5: 상용 젤라틴 기반 지혈제(Baxter, USA) w/트롬빈, 양성대조군(positive control)
시료#6: 가교도 4 % 젤라틴 기반 지혈제 w/트롬빈
시료#7: 가교도 9 % 젤라틴 기반 지혈제 w/트롬빈
도 7b는 SD rat 동물 모델(n=10)을 이용하여 시료#1 및 혈장분획제재(thrombin)를 포함한 시료들의 출혈량(total blood loss, mg)을 측정하고 유효성을 비교한 결과이다.
도 7c는 SD rat 동물 모델(n=10)을 이용하여 시료#1 및 혈장분획제재(thrombin)를 포함한 시료들의 3분 지혈 성공률(hemostasis in 3 minutes, %)을 수치화하고 유효성을 비교한 결과이다.
도 7의 데이터 = 평균 ± 표준오차; 및 *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001.
Claims (14)
- 가교도 2-15%의 가교 젤라틴을 포함하는 페이스트 타입의 흡수성 체내용 지혈 조성물로써,
상기 가교도는 젤라틴의 구성 아미노산의 전체 라이신 중 가교 결합한 라이신 비율로, 하기 수학식 1로 수치화한 것인, 조성물:
[수학식 1]
.
- 제1항에 있어서,
상기 가교도는 3-12%인 것인, 조성물.
- 제2항에 있어서,
상기 가교도는 4-10%인 것인, 조성물.
- 제3항에 있어서,
상기 가교도는 8-10%인 것인, 조성물.
- 제1항에 있어서,
상기 가교 젤라틴은 조성물 총 중량의 9-20 중량%인 것인, 조성물.
- 제1항에 있어서,
혈장분획제재를 더 포함하는 것인, 조성물.
- 제6항에 있어서,
상기 혈장분획제재는 트롬빈; 피브리노겐; 프로트롬빈; 조직트롬보플라스틴; Ca2+; Ac글로불린; 프로콘버틴; 항혈우병 인자; 크리스마스 인자; 스튜어트-프라워 인자; 혈장트롬보플라스틴 전구물질; 하게만 인자; 피브린 안정화 인자; 플레처 인자; Fizgerald, Williams, Flaujeac 인자; 단백질 C; 단백질 S; 트롬보모듈린; 혈액응고제 Ⅷ인자; 혈액응고제 Ⅸ인자; 항트롬빈 Ⅲ; 및 알부민으로 이루어진 군으로부터 선택되는 1종 이상인 것인, 조성물.
- 제1항에 있어서,
상기 젤라틴은 돼지 진피 또는 소 진피 유래 젤라틴인 것인, 조성물
- 삭제
- 수용성 용매에 젤라틴 입자를 분산하여 젤라틴 분산액을 얻는 단계(단계 1);
상기 젤라틴 분산액에 가교제를 첨가하여, 가교도 2-15%의 가교 젤라틴을 얻는 단계(단계 2); 및
상기 가교 젤라틴을 세척한 후, 환원제를 첨가하여 환원된 가교 젤라틴을 얻는 단계(단계 3);를 포함하고,
상기 단계 2의 가교도는 젤라틴의 구성 아미노산의 전체 라이신 중 가교 결합한 라이신 비율로, 하기 수학식 1로 수치화한 것인, 가교도 2-15%의 가교 젤라틴의 제조방법:
[수학식 1]
.
- 제10항에 있어서,
상기 단계 1의 수용성 용매는 PBS, 생리식염수 및 멸균증류수로 이루어진 군으로부터 선택되는 1종 이상인 것인, 제조방법.
- 제10항에 있어서,
상기 단계 2의 가교제는 글루타르알데하이드(glutaraldehyde), 트랜스글루타미나제(transglutaminase), 포름알데하이드(formaldehyde), 부탄디올글리시딜에테르(1,4-butanediol diglycidyl ether, BDDE) 및 제니핀(genipin)으로 이루어진 군으로부터 선택되는 1종 이상인 것인, 제조방법.
- 제10항에 있어서,
상기 단계 3의 환원제는 소듐 보로하이드라이드(NaBH4), 소듐 시아노보로하이드라이드(NaBH3CN), 포타슘 보로하이드라이드(KBH4), 리튬 보로하이드라이드(LiBH4), 리튬 트리에틸보로하이드라이드(C6H13BLi), 보란 피리딘 컴플렉스(C5H8BN) 및 하이드라진(N2H4)으로 이루어진 군으로부터 선택되는 1종 이상인 것인, 제조방법.
- 가교 젤라틴 입자를 가수분해하여 가수분해물을 얻는 단계(단계 1);
상기 가수분해물을 건조하는 단계(단계 2);
상기 건조 가수분해물을 용해한 후, OPA(o-phthalaldehyde)로 유도체화하여 시료를 준비하는 단계(단계 3); 및
상기 시료를 고성능 액체 크로마토그래피(HPLC) 기기로 가교도를 정량 분석하는 단계(단계 4);를 포함하고,
상기 단계 4에서 가교도는 OPA(o-phthalaldehyde)와 반응한 가교 젤라틴 내의 라이신(Lysine)을 글라이신(Glycine)으로 정규화(normalization)하여, 젤라틴의 구성 아미노산의 전체 라이신 중 가교 결합한 라이신 비율로, 하기 수학식 1로 수치화한 것인, 가교 젤라틴의 가교도를 정량 분석하는 방법.
[수학식 1]
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060204490A1 (en) * | 2003-08-07 | 2006-09-14 | Pendharkar Sanyog M | Hemostatic compositions containing sterile thrombin |
KR20140082841A (ko) * | 2011-10-27 | 2014-07-02 | 백스터 인터내셔널 인코포레이티드 | 지혈 조성물 |
KR101865427B1 (ko) * | 2010-06-01 | 2018-06-07 | 백스터 인터내셔널 인코포레이티드 | 건성의 안정된 지혈 조성물의 제조 방법 |
KR20220088004A (ko) * | 2020-12-18 | 2022-06-27 | 충남대학교산학협력단 | 가교 처리된 히알루론산 조성물의 가교율 측정방법 |
KR20230026139A (ko) * | 2021-08-17 | 2023-02-24 | 한스바이오메드 주식회사 | 지혈 조성물, 이를 포함하는 지혈 키트, 및 이의 제조 방법 |
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- 2024-02-07 KR KR1020240018571A patent/KR102721257B1/ko active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060204490A1 (en) * | 2003-08-07 | 2006-09-14 | Pendharkar Sanyog M | Hemostatic compositions containing sterile thrombin |
KR101865427B1 (ko) * | 2010-06-01 | 2018-06-07 | 백스터 인터내셔널 인코포레이티드 | 건성의 안정된 지혈 조성물의 제조 방법 |
KR20140082841A (ko) * | 2011-10-27 | 2014-07-02 | 백스터 인터내셔널 인코포레이티드 | 지혈 조성물 |
KR20220088004A (ko) * | 2020-12-18 | 2022-06-27 | 충남대학교산학협력단 | 가교 처리된 히알루론산 조성물의 가교율 측정방법 |
KR20230026139A (ko) * | 2021-08-17 | 2023-02-24 | 한스바이오메드 주식회사 | 지혈 조성물, 이를 포함하는 지혈 키트, 및 이의 제조 방법 |
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