KR20210029798A - Hiv-1 검출을 위한 합성 펩타이드 - Google Patents
Hiv-1 검출을 위한 합성 펩타이드 Download PDFInfo
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- KR20210029798A KR20210029798A KR1020217003738A KR20217003738A KR20210029798A KR 20210029798 A KR20210029798 A KR 20210029798A KR 1020217003738 A KR1020217003738 A KR 1020217003738A KR 20217003738 A KR20217003738 A KR 20217003738A KR 20210029798 A KR20210029798 A KR 20210029798A
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- synthetic peptide
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- hiv
- mutation site
- antibody
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
Description
500개의 HIV 샘플에서 양성 개수를 검출(민감도) | 3000개의 HIV 음성 샘플 검출 개수를 검출(특이성/거짓 양성 비율) | |
대조 시약(시중에서 구매) | 499(99.8%) | 18(99.40%/0.60%) |
HIV-Ag-0 | 498(99.6%) | 24(99.20%/0.80%) |
HIV-Ag-1 | 500(100%) | 6(99.80%/0.20%) |
HIV-Ag-2 | 500(100%) | 8(99.76%/0.24%) |
HIV-Ag-3 | 500(100%) | 8(99.76%/0.24%) |
HIV-Ag-4 | 500(100%) | 5(99.83%/0.17%) |
HIV-Ag-5 | 500(100%) | 7(99.87%/0.13%) |
HIV-Ag-6 | 500(100%) | 6(99.80%/0.20%) |
HIV-Ag-7 | 500(100%) | 7(99.75%/0.25%) |
HIV-Ag-8 | 500(100%) | 9(99.79%/0.21%) |
HIV-Ag-9 | 500(100%) | 9(99.79%/0.21%) |
클론 명칭 | 500개 HIV 샘플을 1:200비율로 희석 후 검출한 평균 OD600 판독 값 |
HIV-Ag-1 | 0.732 |
HIV-Ag-10 | 0.856 |
HIV-Ag-2 | 0.794 |
HIV-Ag-11 | 1.122 |
HIV-Ag-3 | 0.642 |
HIV-Ag-12 | 0.989 |
HIV-Ag-4 | 1.254 |
HIV-Ag-13 | 1.261 |
HIV-Ag-5 | 0.901 |
HIV-Ag-14 | 1.101 |
HIV-Ag-6 | 1.264 |
HIV-Ag-15 | 1.367 |
HIV-Ag-7 | 0.892 |
HIV-Ag-16 | 1.299 |
HIV-Ag-8 | 0.697 |
HIV-Ag-17 | 1.189 |
HIV-Ag-9 | 1.103 |
HIV-Ag-18 | 1.179 |
Claims (15)
- 합성 펩타이드에 있어서,
이는 돌연변이 부위를 포함하는 SEQ ID NO: 1로 표시되는 아미노산 서열이고;
상기 돌연변이 부위는
T77이 V, N 또는 S로 치환된 것;
N101이 D, E 또는 Q로 치환된 것;
G105가 K, H 또는 R로 치환된 것;
P124가 D 또는 E로 치환된 것;
K127이 D, E 또는 Q로 치환된 것에서 선택되는 적어도 하나이거나;
또는, 상기 임의의 하나의 서열과 적어도 80%의 서열 동일성을 구비하는 아미노산 서열이고 99%보다 큰 민감도 및/또는 99.4%보다 큰 특이성을 구비하며;
바람직하게, 상기 돌연변이 부위는 T77이 V, N 또는 S로 치환된 것을 포함하고;
바람직하게, 상기 돌연변이 부위는 N101이 D, E 또는 Q로 치환된 것을 포함하며;
바람직하게, 상기 돌연변이 부위는 G105가 K, H 또는 R로 치환된 것을 포함하고;
바람직하게, 상기 돌연변이 부위는 P124가 D 또는 E로 치환된 것을 포함하며;
바람직하게, 상기 돌연변이 부위는 K127이 D, E 또는 Q로 치환된 것을 포함하는 합성 펩타이드. - 제1항에 있어서,
상기 돌연변이 부위는
R18이 S로 치환된 것;
Q95가 E로 치환된 것;
L106이 E로 치환된 것;
L123이 K로 치환된 것;
N130이 K로 치환된 것 중 적어도 하나를 더 포함하고,
바람직하게, 상기 돌연변이 부위는 R18이 S로 치환된 것을 포함하며;
바람직하게, 상기 돌연변이 부위는 Q95가 E로 치환된 것을 포함하고;
바람직하게, 상기 돌연변이 부위는 L106이 E로 치환된 것을 포함하며;
바람직하게, 상기 돌연변이 부위는 L123이 K;로 치환된 것을 포함하고;
바람직하게, 상기 돌연변이 부위는 N130이 K로 치환된 것을 포함하는 합성 펩타이드. - 제1항 또는 제2항에 있어서,
상기 합성 펩타이드에는 신호 강도를 가리키는 지시제가 라벨링되고;
바람직하게, 상기 신호 강도를 가리키는 지시제는 형광물질, 양자점, 디곡시제닌 표지 프로브, 비오틴, 방사성 동위원소, 방사성 조영제, 상자성 이온 형광 마이크로스피어, 전자 밀도 물질, 화학 발광 마커, 초음파 조영제, 광민감제, 콜로이드 금 또는 효소 중 어느 하나를 포함하는 합성 펩타이드. - 제1항 또는 제2항에 따른 합성 펩타이드를 암호화하는 분리된 핵산 분자.
- 제4항에 따른 핵산 분자를 포함하는 벡터.
- 제5항에 따른 벡터에 의해 형질 전환되는 숙주세포.
- 제1항 또는 제2항에 따른 합성 펩타이드의 제조 방법에 있어서,
제4항에 따른 핵산 분자를 발현시키는 단계 a); 또는
화학 합성을 진행하고 아미노산을 첨가하여 완전한 폴리펩타이드를 얻는 단계 b)를 포함하는 합성 펩타이드의 제조 방법. - 변형된 합성 펩타이드에 있어서,
이는 제1항 또는 제2항에 따른 합성 펩타이드를 신호 강도를 가리키는 지시제로 라벨링하여 얻어지고
바람직하게, 상기 신호 강도를 가리키는 지시제는 형광물질, 양자점, 디곡시제닌 표지 프로브, 비오틴, 방사성 동위원소, 방사성 조영제, 상자성 이온 형광 마이크로스피어, 전자 밀도 물질, 화학 발광 마커, 초음파 조영제, 광민감제, 콜로이드 금 또는 효소 중 어느 하나를 포함하는 변형된 합성 펩타이드. - 제1항 또는 제2항에 따른 합성 펩타이드 또는 제8항에 따른 변형된 합성 펩타이드를 포함하는 키트에 있어서,
바람직하게, 면역학적으로 허용가능한 희석제, 완충 용액, 프로테아제 억제제, 항체 비특이적 결합을 차단하기 위한 차단제, HIV-1 항체에 대해 친화력을 구비하는 제2 항체 중 하나 또는 다수를 더 포함하고
바람직하게, 상기 키트가 제8항에 따른 변형된 합성 펩타이드를 포함할 경우 상기 키트는 상기 신호 강도를 가리키는 지시제를 검출하기 위한 시약을 더 포함하는 키트. - 비진단 목적의 항 HIV-1 항체의 체외 검출 방법에 있어서,
생물학적 샘플과 제1항 내지 제3항 중 어느 한 항에 따른 합성 펩타이드, 또는 제8항에 따른 변형된 합성 펩타이드, 또는 제9항에 따른 키트 중의 시약을 접촉시켜 면역복합체를 형성하는 단계; 및
상기 면역복합체 중 상기 합성 펩타이드 또는 상기 변형된 합성 펩타이드의 존재를 검출하여, 상기 생물학적 샘플 중 HIV-1 항체의 존재를 지시하는 단계를 포함하는 비진단 목적의 항 HIV-1 항체의 체외 검출 방법. - 제1항 내지 제3항 중 어느 한 항에 따른 합성 펩타이드, 또는 제8항에 따른 변형된 합성 펩타이드, 또는 제9항에 따른 키트가 HIV-1 진단제의 제조에서의 응용.
- HIV-1 관련 질병의 진단 방법에 있어서,
생물학적 샘플과 제1항 내지 제3항 중 어느 한 항에 따른 합성 펩타이드, 또는 제8항에 따른 변형된 합성 펩타이드, 또는 제9항에 따른 키트 중의 시약을 접촉시켜 면역복합체를 형성하는 단계; 및
상기 면역복합체 중 상기 합성 펩타이드 또는 상기 변형된 합성 펩타이드의 존재를 검출하여, 상기 생물학적 샘플 중 HIV-1 항체의 존재를 지시하는 단계를 포함하는 HIV-1 관련 질병의 진단 방법. - 제10항, 제12항 중 어느 한 항에 있어서,
상기 생물학적 샘플은 포유동물 유래 샘플이고, 바람직하게 인간 유래 샘플인 방법. - 제10항, 제12항, 제13항 중 어느 한 항에 있어서,
상기 생물학적 샘플은 혈액, 혈청, 혈장, 세포 배양 상청, 타액, 뇌척수액, 정액, 전립선액, 조직 또는 조직 용해액 중 적어도 하나를 포함하는 방법. - 제1항 내지 제3항 중 어느 한 항에 따른 합성 펩타이드, 또는 제8항에 따른 변형된 합성 펩타이드, 또는 제9항에 따른 키트가 HIV-1 진단에서의 응용.
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CN118515733A (zh) * | 2023-02-20 | 2024-08-20 | 菲鹏生物股份有限公司 | Hiv蛋白及其在检测hiv抗体中的应用 |
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