KR101968779B1 - 진단용 펩티드의 검출 - Google Patents
진단용 펩티드의 검출 Download PDFInfo
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- KR101968779B1 KR101968779B1 KR1020137034027A KR20137034027A KR101968779B1 KR 101968779 B1 KR101968779 B1 KR 101968779B1 KR 1020137034027 A KR1020137034027 A KR 1020137034027A KR 20137034027 A KR20137034027 A KR 20137034027A KR 101968779 B1 KR101968779 B1 KR 101968779B1
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- South Korea
- Prior art keywords
- antibody
- binding
- fragment
- protein
- citrulline
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Abstract
Description
단백질 | 프로테아제 | 질환 | 서열 | 서열번호 |
비멘틴 | MMP2, 8 | RA, 섬유증 | 69'RLRSSVPGVCit↓ 69'RLCitSSVPGVCit↓ 69'CitLCitSSVPGVCit↓ |
1 2 3 |
비멘틴 | MMP; 특정되지 않음 | 섬유증, RA | 36'RTYSLGSALCit↓ | 4 |
비멘틴 | MMP; 특정되지 않음 | 섬유증, RA | 41'GSALCitPSTSCit↓ | 5 |
SOCS-2(Suppressor of cytokine signalling 2) | MMP(타입은 특정되지 않음) | 섬유증, RA | 8'PSGNGGEGTCit↓ | 6 |
A1AT(Alpha 1 Anti trypsin) | MMP; 특정되지 않음 | 섬유증, RA | 54'LAEFAFSLYCit↓ | 7 |
베르시칸 | MMP; 특정되지 않음 | 섬유증, RA | 315'CGGGLLGVCit↓ | 8 |
서열번호 | ||
비멘틴 | 37'TYSLGSAL-CIT-P↓ | 9 |
A1AT | 195'DLVKELD-CIT-DT↓ | 10 |
비글리칸 | 129'IHEKAFSPL-CIT↓ | 11 |
비글리칸 | 174'VPKGVFSGL-CIT↓ | 12 |
서열번호 | ||||
라미닌 | 2059' NERALGAIQ-Cit↓ 2068' | 인간 | 섬유증 | 13 |
비글리칸 | 97' LQNNDISEL-Cit↓ 106' | 인간, 래트, 마우스 | 섬유증 | 14 |
비글리칸 | 242' QAIELEDLL-Cit↓ 251' | 인간, 마우스 | 섬유증 | 15 |
비멘틴 | 295' FADLSEAANR-Cit↓ 304' | 인간, 마우스, 래트 | 섬유증, RA, 동맥경화증, 암 | 16 |
비멘틴 | 146' LGDLYEEEM-Cit↓ 155' | 인간, 마우스, 래트 | 섬유증, RA, 동맥경화증, 암 | 17 |
단백질 | 프로테아제 | 질환(들) | 서열 | |
엘라스틴 | MMP9 | CVD, 섬유증 | …VLPGA-CIT↓ (159 위치에서 CIT) |
18 |
엘라스틴 | MMP9 | CVD, 섬유증 | …GGVAA-CIT↓ (762 위치에서 CIT) |
19 |
CO4a1 | FAP | ↓IDGY-CIT-GPPGP…. (476 위치에서 CIT) |
20 | |
CO5a1 | MMP2/MMP9 | CVD, 섬유증 | ↓CIT-RNIDAS…. (1584 위치에서 CIT) |
21 |
CO5a2 | MMP2/MMP9 | CVD, 섬유증 | ↓Q-CIT-GAHGMP…. (356 위치에서 CIT) |
22 |
CO5a3 | MMP9 | CVD, 섬유증 | ↓CIT-VGKMGR…. (525 위치에서 CIT) |
23 |
CO6a1 | MMP2 | CVD, 섬유증 | ↓Y-CIT-GPEGPQ…. (573 위치에서 CIT) |
24 |
도 2는 도 1의 3가지 상이한 섬유성 조직에서 시트룰린 특이적 반응성으로부터 얻은 데이터의 개략적이고 단순화된 요약을 보여준다. 점선인 밴드는 건강한 및 질환이 있는 조직 모두에서 검출된 분자의 존재를 나타내고, 실선인 밴드는 시트룰린 잔기를 운반하는 질환-특이적(섬유성) 절편을 나타낸다.
도 3은 시트룰린화 비멘틴 펩티드 서열 RLRSSVPGV-Cit에 대해 유발된 2개의 단일클론 항체의 선별 펩티드(selection peptide)에 대한 특이적인 반응성 및 연장된(elongated) 펩티드에 대한 일부 교차-반응성을 보여주는 실시예 2에서 얻어진 결과를 보여준다.
도 4는 비멘틴으로부터 기원하고 NB212 ELISA에서 검출된 시트룰린화 펩티드 절편의 증가된 농도를 보여준다.
Claims (10)
- 샘플을 시트룰린을 포함하는 말단 항체 결합 부위를 갖는 단백질의 시트룰린화 절편에 대해 특이적인 결합 친화성을 갖는 항체 또는 그의 절편과 접촉시키는 단계, 및 상기 단백질 절편에 대한 상기 항체의 결합을 검출하는 단계를 포함하며, 상기 항체 또는 항체 절편의 결합은 특이적인 말단 아미노산 서열 및 상기 시트룰린 모두가 상기 결합 부위에 존재하는 것을 필요로 하는, 혈액 또는 그의 유체 성분을 포함하는 샘플에서 단백질의 시트룰린화 절편을 분석하는 방법으로서,
상기 항체 또는 결합 절편은 다음의 C-말단 아미노산 서열 중 어느 하나:
또는 다음의 N-말단 서열 중 어느 하나를 포함하는 결합 부위에 대해 특이적인 결합 친화성을 갖는 방법:
. - 청구항 1에 있어서,
상기 결합의 검출은 정량적인 방법. - 청구항 1 또는 청구항 2에 있어서,
상기 결합의 양은 건강한 개인 및 섬유성 질환 또는 류마티스성 관절염에 의해 특정되는 개인의 집단(populations)에 대해 확립된 대조군 값과 비교되는 방법. - 청구항 1 또는 청구항 2에 있어서,
상기 방법은 상기 샘플 내의 펩티드가 상기 항체 또는 항체 절편에 대한 결합에 대하여 상기 항체 또는 항체 절편에 결합하는 알려진 농도의 결합제와 경쟁하는 경쟁 분석으로 수행되는 방법. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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PCT/EP2012/059636 WO2012163768A1 (en) | 2011-05-27 | 2012-05-23 | Detection of diagnostic peptides |
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EP2770327B1 (en) * | 2009-03-30 | 2017-06-14 | Nordic Bioscience A/S | Fibrosis biomarker assay |
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CN113637076A (zh) * | 2014-05-05 | 2021-11-12 | 诺维奥Th私人有限公司 | 类风湿性关节炎的血清学诊断方法 |
TW201613981A (en) | 2014-07-23 | 2016-04-16 | Inova Diagnostics Inc | Compositions and methods for the diagnosis of rheumatoid arthritis |
AU2015359262B2 (en) | 2014-12-11 | 2021-02-04 | Citryll B.V. | Method for the treatment of idiopathic pulmonary fibrosis |
EP3679798B1 (en) * | 2015-02-03 | 2021-11-17 | Mayo Foundation for Medical Education and Research | Methods and materials for assessing and treating arthritis |
CN105153295A (zh) * | 2015-09-16 | 2015-12-16 | 广州市雷德生物科技有限公司 | 标志物及其应用、试剂盒、该标志物的检测方法 |
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JP5305259B2 (ja) * | 2007-12-25 | 2013-10-02 | 地方独立行政法人東京都健康長寿医療センター | 抗シトルリン化gfapモノクローナル抗体及びその用途 |
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US20070087380A1 (en) * | 2001-12-11 | 2007-04-19 | Waltherus Jacobus Van Venrooij | Method of detecting auto-antibodies from patients suffering from rheumatoid arthritis, a peptide and an assay kit |
WO2010117694A2 (en) * | 2009-03-30 | 2010-10-14 | Prometheus Laboratories Inc. | Citrullinated peptides for diagnosing and prognosing rheumatoid arthritis |
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CN103703370A (zh) | 2014-04-02 |
EP2715360A1 (en) | 2014-04-09 |
US20150125964A1 (en) | 2015-05-07 |
KR20140045435A (ko) | 2014-04-16 |
US9459260B2 (en) | 2016-10-04 |
CN103703370B (zh) | 2016-08-17 |
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WO2012163768A1 (en) | 2012-12-06 |
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