JP5916367B2 - 多数の凝固プロテアーゼを同時に決定するための方法 - Google Patents
多数の凝固プロテアーゼを同時に決定するための方法 Download PDFInfo
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Description
a)前記第一のタンパク質分解性凝固因子に特異的な第一の発色性基質及び前記第二のタンパク質分解性凝固因子に特異的な第二の発色性基質を含む第三の試薬;又は
b)前記第一のタンパク質分解性凝固因子に特異的な第一の発色性基質を含む第三の試薬及び前記第二のタンパク質分解性凝固因子に特異的な第二の発色性基質を含む第四の試薬とを、備え、ここで、前記第一の発色性基質は、前記第二の発色性基質の発色団の吸収極大とは少なくとも100nm異なる吸収極大を有する、発色団を有する。
<<実施例>>
(実施例1)
以下の成分を混合して1つの反応物を生成した。
10μLのサンプル
10μLの正常ヒト血漿のプール
40μLの基質試薬(pH4.0のマンニトール緩衝液中の、4mMのZ−D−Leu−Gly−Arg−ANBA−メチルアミド、0.8mMのTos−Gly−Pro−Arg−ベーシックブルー49)
100μLの第Xa因子試薬(0.75U/mLのヒト第Xa因子を含有する4.5g/LのTRIS、9g/LのNaCl、0.56g/LのEDTA、pH8.0)
100μLのトロンビン試薬(5U/mLのウシトロンビンを含有する1.2g/LのTRIS、pH8.2)
(実施例2)
正常な血漿について、リバロキサバン(特定の第Xa因子阻害剤)及び/又はアルガトロバン(特定のトロンビン阻害剤)を種々の濃度で富化して、実施例1による方法でサンプルとして用いた。
Claims (12)
- 単一の試験反応物中の第一のタンパク質分解性凝固因子の活性及び第二のタンパク質分解性凝固因子の活性を同時に決定するための方法において、前記第一のタンパク質分解性凝固因子に特異的な第一の発色性基質及び前記第二のタンパク質分解性凝固因子に特異的な第二の発色性基質とサンプルとを混合し、前記試験反応物中の吸収変化を測光的に決定する方法であって、前記第一の発色性基質の有する発色団が該基質からの切断後に示す吸収極大が、第二の発色性基質の有する発色団が該基質からの切断後に示す吸収極大とは、少なくとも100nm異なることを特徴とする方法。
- 前記第一のタンパク質分解性凝固因子及び前記第二のタンパク質分解性凝固因子が、トロンビン、第VIIa因子、第IXa因子、第Xa因子、第XIa因子、第XIIa因子、プロテインCa及びプラスミンを含む群から選択される、請求項1に記載の方法。
- 前記第一又は第二のタンパク質分解性凝固因子がトロンビンである、請求項1又は2に記載の方法。
- 前記第一又は第二のタンパク質分解性凝固因子が第Xa因子である、請求項1〜3のいずれか1項に記載の方法。
- 前記第一又は第二の発色性基質が、パラ−ニトロアニリン又は5−アミノ−2−ニトロ安息香酸を発色団として有する、請求項1〜4のいずれか1項に記載の方法。
- 前記第一又は第二の発色性基質が、フェノキサジン誘導体を発色団として有する、請求項1〜5のいずれか1項に記載の方法。
- 前記第一のタンパク質分解性凝固因子及び前記第二のタンパク質分解性凝固因子が前記サンプル中に存在し且つ前記凝固因子の活性化のための1つ以上の薬剤の添加によって活性化される、請求項1〜6のいずれか1項に記載の方法。
- 前記第一のタンパク質分解性凝固因子及び前記第二のタンパク質分解性凝固因子の規定量が前記サンプルと混合され、前記サンプル中の抗凝固剤の濃度が、前記吸収変化の阻害に基づいて決定される、請求項1〜6のいずれか1項に記載の方法。
- 規定濃度の第一のタンパク質分解性凝固因子を有する第一の試薬と、規定濃度の第二のタンパク質分解性凝固因子を有する第二の試薬と、
a.前記第一のタンパク質分解性凝固因子に特異的な第一の発色性基質及び前記第二のタンパク質分解性凝固因子に特異的な第二の発色性基質を含む第三の試薬;又は
b.前記第一のタンパク質分解性凝固因子に特異的な第一の発色性基質を含む第三の試薬と、前記第二のタンパク質分解性凝固因子に特異的な第二の発色性基質を含む第四の試薬とからなる試験キットであり、
前記第一の発色性基質の有する発色団が該基質からの切断後に示す吸収極大が、第二の発色性基質の有する発色団が該基質からの切断後に示す吸収極大とは、少なくとも100nm異なることを特徴とする試験キット。
- 前記第一のタンパク質分解性凝固因子がトロンビンである、請求項9に記載の試験キット。
- 前記第二のタンパク質分解性凝固因子が第Xa因子である、請求項9又は10のいずれか1項に記載の試験キット。
- 前記第一のタンパク質分解性凝固因子に特異的な前記第一の発色性基質が、パラ−ニトロアニリン及び5−アミノ−2−ニトロ安息香酸を含む群から選ばれる発色団を有し、前記第二のタンパク質分解性凝固因子に特異的な前記第二の発色性基質が、フェノキサジン誘導体を含む群から選ばれる発色団を有するか、又はその逆である、請求項9〜11のいずれか1項に記載の試験キット。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10195869 | 2010-12-20 | ||
| EP20100195869 EP2465941A1 (de) | 2010-12-20 | 2010-12-20 | Verfahren zur simultanen Bestimmung mehrerer Gerinnungsproteasen |
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| JP2012130338A JP2012130338A (ja) | 2012-07-12 |
| JP5916367B2 true JP5916367B2 (ja) | 2016-05-11 |
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| US (2) | US8932826B2 (ja) |
| EP (2) | EP2465941A1 (ja) |
| JP (1) | JP5916367B2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2465941A1 (de) | 2010-12-20 | 2012-06-20 | Siemens Healthcare Diagnostics Products GmbH | Verfahren zur simultanen Bestimmung mehrerer Gerinnungsproteasen |
| AU2012364909B2 (en) | 2011-02-15 | 2016-11-24 | Hemosonics, Llc | Characterization of blood hemostasis and oxygen transport parameters |
| EP2818871A1 (en) * | 2013-06-28 | 2014-12-31 | Roche Diagniostics GmbH | Means and methods for universal calibration of anti-Factor Xa tests |
| EP2843416A1 (de) * | 2013-09-02 | 2015-03-04 | Siemens Healthcare Diagnostics Products GmbH | Kontroll- und Kalibratormaterial für die Bestimmung von direkten Antikoagulanzien |
| US9726647B2 (en) | 2015-03-17 | 2017-08-08 | Hemosonics, Llc | Determining mechanical properties via ultrasound-induced resonance |
| CN105203479A (zh) * | 2015-09-21 | 2015-12-30 | 山东万邦赛诺康生化制药股份有限公司 | 用血凝仪测定肝素或低分子量肝素效价的方法 |
| EP3460070A1 (en) * | 2017-09-22 | 2019-03-27 | DOASENSE GmbH | Improved detection of anticoagulants in body fluids |
| CN114703252B (zh) * | 2022-06-02 | 2022-11-04 | 深圳市帝迈生物技术有限公司 | 一种用于检测血浆中水蛭素、比伐卢定、达比加群含量的试剂盒 |
| CN114965459A (zh) * | 2022-06-15 | 2022-08-30 | 上海贞元诊断用品科技有限公司 | 一种干化学竞争抑制发色底物法抗Xa活性检测 |
| CN115032164B (zh) * | 2022-08-10 | 2022-12-06 | 山东省食品药品检验研究院 | 一种肝素钠中是否含有凝血因子Xa直接抑制剂的检测方法 |
| CN116840175A (zh) * | 2023-07-17 | 2023-10-03 | 美迪西普胜医药科技(上海)有限公司 | 一种注射用重组人凝血因子ⅸ促凝特性的体外检测方法 |
| WO2025132678A1 (en) * | 2023-12-19 | 2025-06-26 | F. Hoffmann-La Roche Ag | Qualitative test for direct oral anticoagulants (doacs) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA1161432A (en) | 1980-02-12 | 1984-01-31 | Lars G. Svendsen | Tripeptide derivatives and their application in assaying enzymes |
| EP0078764B1 (de) | 1981-11-02 | 1986-01-02 | Pentapharm A.G. | Verfahren zur quantitativen Bestimmung von Blutgerinnungsfaktor XII in Humanplasma |
| DE3244030A1 (de) | 1982-11-27 | 1984-05-30 | Behringwerke Ag, 3550 Marburg | Chromogene verbindungen, verfahren zu ihrer herstellung und ihre verwendung |
| DE3629175A1 (de) | 1986-08-28 | 1988-03-17 | Behringwerke Ag | Chromogene verbindungen, verfahren zu deren herstellung und ihre verwendung |
| DE4014655A1 (de) | 1990-05-08 | 1991-11-14 | Behringwerke Ag | Peptidamide, verfahren zu deren herstellung und diese enthaltende mittel als fibrin/thrombin-gerinnungsinhibitoren |
| US5510243A (en) * | 1994-06-21 | 1996-04-23 | Gelman Sciences, Inc. | Multiple chromogen enzyme targeting (MCET) for use in bacterial contamination monitoring |
| JP4718833B2 (ja) * | 2002-05-01 | 2011-07-06 | シナプス ベスローテン フェンノートシャップ | 複合生物媒体における、一時的なタンパク質分解活性の濃度を決定するための診断試験 |
| DE10251894A1 (de) * | 2002-11-07 | 2004-05-19 | C-Cit Ag | Peptidgebundene Chromogene zur Bestimmung von Enzymaktivitäten |
| GB0229837D0 (en) * | 2002-12-20 | 2003-01-29 | Axis Shield Diagnostics Ltd | Variants of activated factor XII |
| WO2004057343A2 (en) | 2002-12-20 | 2004-07-08 | Axis-Shield Diagnostics Limited | Detection or determination of variants of factor xiia |
| EP1833982B1 (en) * | 2005-01-07 | 2010-12-01 | Stichting Katholieke Universiteit | Hemostasis assay |
| JP5461175B2 (ja) | 2006-06-06 | 2014-04-02 | トロームビノスコープ ベスローテン フェンノートシャップ | 生体媒質中で酵素活性を決定する方法 |
| FR2909180B1 (fr) * | 2006-11-29 | 2009-02-20 | Diagnostica Stago Soc Par Acti | Methode de mesure fonctionnelle de l'activite de la thrombomoduline plasmatique. |
| EP2465941A1 (de) | 2010-12-20 | 2012-06-20 | Siemens Healthcare Diagnostics Products GmbH | Verfahren zur simultanen Bestimmung mehrerer Gerinnungsproteasen |
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| Publication number | Publication date |
|---|---|
| CN102539355A (zh) | 2012-07-04 |
| EP2465942A1 (de) | 2012-06-20 |
| EP2465942B1 (de) | 2015-10-14 |
| US8932826B2 (en) | 2015-01-13 |
| CN102539355B (zh) | 2016-09-07 |
| US20150111785A1 (en) | 2015-04-23 |
| US20120156708A1 (en) | 2012-06-21 |
| ES2550766T3 (es) | 2015-11-12 |
| EP2465941A1 (de) | 2012-06-20 |
| US9482673B2 (en) | 2016-11-01 |
| JP2012130338A (ja) | 2012-07-12 |
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