KR101739953B1 - 항 에이치비씨의 정량적인 검출 방법 및 만성 비형 간염 환자의 질병 진행의 모니터링 및 억제 및 치료 효과의 예측에 있어서 그의 용도 - Google Patents
항 에이치비씨의 정량적인 검출 방법 및 만성 비형 간염 환자의 질병 진행의 모니터링 및 억제 및 치료 효과의 예측에 있어서 그의 용도 Download PDFInfo
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- KR101739953B1 KR101739953B1 KR1020147023123A KR20147023123A KR101739953B1 KR 101739953 B1 KR101739953 B1 KR 101739953B1 KR 1020147023123 A KR1020147023123 A KR 1020147023123A KR 20147023123 A KR20147023123 A KR 20147023123A KR 101739953 B1 KR101739953 B1 KR 101739953B1
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Abstract
Description
도 2는 항-HBc ELISA 정량분석 방법의 실험내(A) 및 실험간(B) 정확성을 도시한다.
도 3은 104 개 샘플의 항-HBc ELISA 정량 검출 결과의 일관성을 도시한다.
도 4는 항-HBc CLEIA 정량분석 방법의 동적인 직선 범위를 도시한다.
도 5는 항-HBc CLIA 정량분석 방법의 동적인 직선 범위를 도시한다.
도 6은 상이한 단계의 HBV로 감염된 환자의 혈청 항-HBc 수준의 분포를 도시한다:
(A) 상이한 단계의 HBV로 감염된 환자의 혈청 항-HBc 수준 및 ALT 수준;
(B) 상이한 단계의 HBV로 감염된 환자의 혈청 HBV DNA 수준 및 HBsAg 수준;
(C) 혈청 항-HBc 수준에 근거한 환자의 면역 활성화 상태를 측정하기 위한 ROC 곡선 분석;
(D) 상이한 ALT 분류된 환자의 평균 항-HBc 수준;
(E) 혈청 항-HBc 수준 및 ALT 수준의 상관성 분석.
약어의 표시: PBI, 감염 전의 환자; IT, 면역 관용 단계의 환자; IC, 면역 제거 단계의 환자; LR, 낮은 증식 단계의 환자; ENH, HBeAg 음성 간염; LC, 간 경변증 환자; HCC, 원발성 간암 환자.
도 7은 만성 B형 간염 바이러스 보균자의 자연적인 진행 중 혈청 항-HBc, ALT, HBV DNA 및 HBsAg 수준의 동적인 변화들을 도시한다.
도 8은 치료 전 만성 B형 간염 환자의 혈청 항-HBc 수준으로 예측된 바와 같은 치료-후 HBeAg 혈청전환율을 도시한다:
(A) 아데포비어 디피복실의 치료를 받은 후 만성 B형 간염 환자의 HBeAg 혈청전환을 예측하기 위해 치료 전 항-HBc 수준 사용;
(B) Peg화된 인터페론의 치료를 받은 후 만성 B형 간염 환자의 HBeAg 혈청전환을 예측하기 위해 치료 전 항-HBc 수준 사용;
(C) 아데포비어 디피복실의 치료를 받은 후 환자의 HBeAg 혈청전환 발생률을 예측하기 위해 혈청 항-HBc 수준 사용;
(D) peg화된 인터페론의 치료를 받은 후 환자의 HBeAg 혈청전환 발생률을 예측하기 위해 혈청 항-HBc 수준 사용;
(E) 상이한 기준선 ALT 수준의 분류된 환자의 HBeAg 혈청전환률을 예측하기 위해 치료전 항-HBc 수준 사용.
도 9는 아데포비어 디피복실 및 peg화된 인터페론의 치료를 받은 후 상이한 기준선 항-HBc 수준의 분류된 환자에서 HBeAg 혈청전환 발생률을 도시한다.
도 10은 아데포비어 디피복실의 치료 중 및 치료 후 환자에서 혈청 마커의 정량분석된 수준의 동적인 변화를 도시한다.
Claims (12)
- 만성 B형 간염 환자로부터 얻은 샘플에서 항-HBc의 수준을 정량적으로 검출하는 것을 포함하는 만성 B형 간염 환자가 B형 간염 바이러스에 대한 치료를 받기 전에 치료효과를 유효하게 예측하는 방법.
- 제 1 항에 있어서,
상기 항-HBc 의 정량적인 검출을 하기의 방법들, 즉 효소-결합된 면역흡수 분석, 화학발광 면역검출법, 시간-분해 형광 검출법, 면역비탁분석법, 면역크로마토그래피법, 면역-삼출법 중 하나 이상에 의해 수행하는 방법. - 제 1 항에 있어서,
상기 항-HBc 수준의 단일 검출이 1.5 자릿수 이상의 직선 동적 범위를 갖는, 즉 단일 검출에 대한 정확한 정량분석 상한이 정확한 정량분석 하한보다 32 배 이상 더 높은 방법. - 제 1 항에 있어서,
항-HBc의 정량적인 검출이
a) B형 간염 바이러스 코어 단백질에 대한 항체에 특이적으로 결합할 수 있는 B형 간염 바이러스 단백질을 제공하고, 상기 단백질이 B형 간염 바이러스 코어 단백질의 완전 길이의 아미노산 서열을 포함하거나, 또는 오직 B형 간염 바이러스 코어 단백질의 1차 면역-우세 대역의 아미노산 서열만을 포함할 수 있으며, 상기 단백질이 고체 지지체 상에 고정화되고, 고상 항원으로서 작용하며, 혈청 샘플 중에 존재하는 B형 간염 바이러스 코어 단백질에 대한 항체를 포획하는데 사용되고;
b) 상기 고상 항원 상에 포획된 B형 간염 바이러스 코어 단백질에 대한 항체에 특이적으로 결합할 수 있는 표지된 항원을 제공하며, 상기 표지된 항원이 B형 간염 바이러스 코어 단백질의 완전 길이의 아미노산 서열을 포함하거나, 또는 오직 B형 간염 바이러스 코어 단백질의 1차 면역-우세 대역의 아미노산 서열만을 포함할 수 있으며, 상기 표지된 항원 상의 신호 발생 물질이 양고추냉이 페록시다제, 알칼리성 포스파타제, 또는 아크리디늄 에스터일 수 있고;
c) 정량분석 표준 곡선을 작성하기 위해 기지의 농도들을 갖는 정량분석 표준 샘플(상이한 농도로 B형 간염 바이러스 코어 단백질에 대한 항체를 함유하는 3 내지 6 개의 샘플로 이루어진다)을 제공한다;
d) 상기 시험하고자 하는 샘플 또는 정량분석 표준 샘플을, 상기 샘플 중의 B형 간염 바이러스 코어 단백질에 대한 항체(존재하는 경우)가 포획되어 B형 간염 바이러스 코어 단백질에 대한 고상 항원-항체의 복합체를 형성하도록 상기 고상 항원과 접촉시키고;
e) 상기 표지된 항원을, B형 간염 바이러스 코어 단백질에 대한 고상 항원-항체-표지된 항원의 복합체를 형성하도록, 상기 단계 d)의 생성물, 즉 B형 간염 바이러스 코어 단백질에 대한 고상 항원-항체의 복합체와 접촉시키고;
f) 신호 발생을 활성화시킬 수 있는 기질 또는 용액을, 측정가능한 신호를 발생시키도록 상기 단계 e)에서 형성된 바와 같은 B형 간염 바이러스 코어 단백질에 대한 고상 항원-항체-표지된 항원의 복합체와 접촉시키고, 상기 발생된 신호의 강도를 상응하는 측정 장비로 측정하며;
g) 상기 측정된 정량분석 표준 샘플 신호와 상기 샘플의 상응하는 농도와의 선형 회귀 정합을 수행하여 측정 신호로부터 샘플 농도를 계산하기 위한 수학식을 획득하고;
h) 상기 시험하고자 하는 샘플의 측정된 신호를 상기 단계 g)의 식에 도입하고, 상기 시험하고자 하는 샘플 중의 B형 간염 바이러스 코어 단백질에 대한 항체의 농도를 계산하고;
i) 상기 단계 h)에서 계산된 바와 같은 B형 간염 바이러스 코어 단백질에 대한 항체의 농도가 상기 검출 방법의 정확한 정량분석 상한보다 큰 경우, 상기 시험하고자 하는 샘플을 희석하고, 상기 측정된 농도가 상기 상응하는 검출 방법의 정확한 정량분석 상한과 하한 사이의 범위에 있을 때까지 상기 단계 a) 내지 h)를 반복하고, 상기 시험하고자 하는 샘플 중에 함유된 B형 간염 바이러스 코어 단백질에 대한 항체의 농도를 상기 희석 후 측정된 값에 희석비를 곱하여 계산하여 획득하는 단계들을 포함하는 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 치료는 지속-작용성 인터페론(peg화된 인터페론, Peg인터페론), 보통 인터페론(인터페론), 라미뷰딘(LMV), 아데포피어 디피복실(ADV), 엔테카비어(ETV), 텔비뷰딘(LdT), 테노포비어, 및 만성 B형 간염의 치료에 유용한 다른 약물로 이루어지는 군으로부터 선택되는 치료 약물을 사용하는 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 치료의 치료 효과를 예측하기 위한 통상적인 기준이 다음과 같은 방법:
치료 전 환자의 혈청 중에 보다 높은 수준의 항-HBc를 갖는 환자에서 획득된 치료 효과(반응률)가 상기 치료 전 환자의 혈청 중에 보다 낮은 수준의 항-HBc를 갖는 환자의 경우보다 우수하고; 치료 효과의 기준이 B형 간염 바이러스 E 항원 혈청전환(즉 치료를 받는 만성 B형 간염 환자에서 HBeAg(+)/항-HBe(-)에서 HBeAg(-)/항-HBe(+)로의 전환)이거나, 또는 바이러스학 반응(즉 만성 B형 간염 환자에서 혈청 HBV DNA 부하가 1000 사본수/㎖ 이하로 떨어진다), 또는 질병 상태의 경감 또는 양호한 예후를 가리킬 수 있는 다른 임상 지표일 수 있다. - 삭제
- 아데포비어 디피복실 또는 peg화된 인터페론의 치료를 받기 전에 만성 B형 간염 환자의 반응을 평가하는데에 사용되는 항-HBc.
- 삭제
- 삭제
- 제4항에 있어서,
상기 a)단계에서의 B형 간염 바이러스 단백질은, B형 간염 바이러스 코어 단백질의 첫 번째 아미노산에서부터 183번째 아미노산까지, 또는 첫 번째 아미노산에서부터 149 번째 아미노산까지를 포함하는 방법. - 제4항에 있어서,
상기 b)단계에서의 표지된 항원은, B형 간염 바이러스 코어 단백질의 첫 번째 아미노산에서부터 183번째 아미노산까지, 또는 첫 번째 아미노산에서부터 149 번째 아미노산까지를 포함하는 방법.
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PCT/CN2013/070573 WO2013107355A1 (zh) | 2012-01-21 | 2013-01-17 | Anti-hbc 定量检测方法及其在监控慢性乙肝患者病情发展和预测治疗疗效中的用途 |
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WO2022252745A1 (zh) * | 2021-06-02 | 2022-12-08 | 重庆医科大学 | 一种免疫分子病毒颗粒检测试剂盒 |
CN117538520B (zh) * | 2024-01-05 | 2024-04-02 | 山东康华生物医疗科技股份有限公司 | 一种HBc-IgM抗体检测试剂盒及其制备方法 |
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EP1535927B1 (en) | 2002-09-06 | 2010-07-14 | Advanced Life Science Institute, Inc. | Hbv precore protein capable of forming particles |
CN1908666B (zh) * | 2006-08-14 | 2010-05-12 | 武汉大学 | 一种检测乙肝核心抗体的双夹心法酶联免疫诊断试剂盒及应用 |
CN101377496A (zh) * | 2008-04-16 | 2009-03-04 | 北京科美东雅生物技术有限公司 | 一种检测甲状腺过氧化物酶自身抗体的化学发光免疫分析测定试剂盒 |
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CN103217533B (zh) | 2016-01-06 |
BR112014017877A2 (ko) | 2017-06-20 |
ES2714274T3 (es) | 2019-05-28 |
CA2861917C (en) | 2021-03-23 |
WO2013107355A1 (zh) | 2013-07-25 |
CN103217533A (zh) | 2013-07-24 |
BR112014017877B1 (pt) | 2022-01-25 |
US20150118674A1 (en) | 2015-04-30 |
EP2805729B1 (en) | 2019-01-09 |
AU2013211346B2 (en) | 2017-11-30 |
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AU2013211346A1 (en) | 2014-08-28 |
US9952217B2 (en) | 2018-04-24 |
EP2805729A1 (en) | 2014-11-26 |
EP2805729A4 (en) | 2015-11-11 |
AU2018200744A1 (en) | 2018-02-22 |
HK1198945A1 (en) | 2015-06-19 |
JP2015505371A (ja) | 2015-02-19 |
AU2018200744B2 (en) | 2019-08-08 |
JP2018036268A (ja) | 2018-03-08 |
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