JPH11514101A - 組換えウサギ組織因子に基づくプロトロンビン時間試薬 - Google Patents
組換えウサギ組織因子に基づくプロトロンビン時間試薬Info
- Publication number
- JPH11514101A JPH11514101A JP10546185A JP54618598A JPH11514101A JP H11514101 A JPH11514101 A JP H11514101A JP 10546185 A JP10546185 A JP 10546185A JP 54618598 A JP54618598 A JP 54618598A JP H11514101 A JPH11514101 A JP H11514101A
- Authority
- JP
- Japan
- Prior art keywords
- tissue factor
- protein
- reagent
- phospholipid
- recombinant rabbit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
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- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/745—Blood coagulation or fibrinolysis factors
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- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
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- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/56—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving blood clotting factors, e.g. involving thrombin, thromboplastin, fibrinogen
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
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- G01N33/86—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood coagulating time or factors, or their receptors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S530/00—Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
- Y10S530/827—Proteins from mammals or birds
- Y10S530/829—Blood
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.以下の工程を包含する、血漿サンプル中のプロトロンビン時間またはフィブ リノーゲンレベルを決定するための液体試薬または凍結乾燥された試薬の調製方 法: (a) リン脂質小胞を含有する溶液、懸濁液、または分散液を提供する工程; (b) 組織因子タンパク質を該溶液、懸濁液、または分散液と混合する工程; および (c) 工程(b)において生成された混合物を、該タンパク質の該リン脂質小胞と の会合を可能にする条件下で、十分な時間インキュベートし、血漿サンプル中で 凝固を誘導し得る試薬を生成する工程。 2.前記工程(b)の単離された組織因子タンパク質が、組換えウサギ組織因子タ ンパク質である、請求項1に記載の方法。 3.前記工程(c)のタンパク質含有リン脂質小胞を含有する溶液を処方緩衝液と 混合するさらなる工程を包含する、請求項1に記載の方法。 4.前記工程(b)の単離された組織因子タンパク質が、組換えウサギ組織因子タ ンパク質である、請求項3に記載の方法。 5.請求項1、請求項2、請求項3、または請求項4に記載の方法により生成さ れた試薬。 6.前記タンパク質含有リン脂質小胞が、リン脂質1mgあたり約0.05μg〜約30 μgの単離されたタンパク質含有組織因子を含有する、請求項5に記載の試薬。 7.前記タンパク質含有リン脂質小胞が、リン脂質1mgあたり約0.2μg〜約20μ gの単離されたタンパク質含有組織因子を含有する、請求項6に記載の試薬。 8.前記血漿サンプルの凝固に必要な量のカルシウムイオンをさらに含む、請求 項5に記載の試薬。 9.前記血漿サンプルの凝固に必要なイオン強度をさらに含む、請求項8に記載 の試薬。 10.Hepes緩衝液をさらに含む、請求項9に記載の試薬。 11.組換えウサギ組織因子の精製された調製物であって、該調製物は: N末端からC末端へ (a) 細胞外ドメイン、 (b) 脂質結合ドメイン、 (c) 細胞内ドメイン、および (d) 該組換えウサギ組織因子を選択的に富化するのに使用するためのアフィ ニティータグ、 を規定するアミノ酸配列を含む組換えウサギ組織因子を含み、 ここで、該精製された調製物は、アフィニティータグのない組換えウサギ組織 因子に比較して、脂質結合ドメインを有する組換えウサギ組織因子タンパク質に ついて富化される、調製物。 12.前記アフィニティータグが、複数の連続的に連結したヒスチジンアミノ酸 を含む、請求項11に記載の精製された調製物。 13.前記結合ドメインが(His)6配列を含む、請求項12に記載の精製された調 製物。 14.前記組換えウサギ組織因子が、第VII因子および第VIIa因子と反応する、 請求項11に記載の精製された調製物。 15.前記組換えウサギ組織因子が、約1.0のISI値を有するプロトロンビン時間 試薬を生成するために用いられ得る、請求項11に記載の精製された調製物。 16.前記組換えウサギ組織因子が、ヒトまたはウシの組織因子と比較して、血 漿サンプル中のPIVKAに対してより感受性でない、請求項11に記載の精製され た調製物。 17.本質的に以下からなる、血漿サンプル中のプロトロンビン時間またはフィ ブリノーゲンレベルを決定するための液体試薬または凍結乾燥された試薬: (a) 組換えウサギ組織因子タンパク質; (b) ホスファチジルコリン、ホスファチジルセリン、およびこれらの組合せか らなる群より選択されるリン脂質;および (c) 緩衝液系。 18.脂質に対するタンパク質の比が、約0.05μgタンパク質/mgリン脂質〜約30 μgタンパク質/mgリン脂質である、請求項17に記載の試薬。 19.前記脂質に対するタンパク質の比が、約0.2μgタンパク質/mgリン脂質〜 約20μgタンパク質/mgリン脂質である、請求項18に記載の試薬。 20.前記リン脂質が、ホスファチジルセリンおよびホスファチジルコリンの混 合物を、約5:95〜約95:5の比で含有する、請求項17に記載の試薬。 21.前記リン脂質が、ホスファチジルセリンおよびホスファチジルコリンの混 合物を、約15:85〜約60:40の比で含有する、請求項17に記載の試薬。 22.前記リン脂質が、ホスファチジルセリンおよびホスファチジルコリンの混 合物を、約20:80〜約30:70の比で含有する、請求項17に記載の試薬。 23.前記緩衝液系が、血漿サンプルの凝固のために十分な量のカルシウムイオ ンを含有する、請求項17に記載の試薬。 24.前記緩衝液系が、血漿サンプルにおける凝固を補助するために十分なイオ ン強度を有する、請求項17または請求項23に記載の試薬。 25.前記緩衝液系がHepesを含有する、請求項17または請求項23に記載の 試薬。 26.前記緩衝液系がHepesを含有する、請求項24に記載の試薬。 27.請求項17に記載の試薬であって、前記組織因子タンパク質が、以下: N末端からC末端へ、 (a) 細胞外ドメイン、 (b) 脂質結合ドメイン、 (c) 細胞内ドメイン、および (d) 該組換えウサギ組織因子を選択的に富化するのに使用するためのアフィ ニティータグ、を規定するアミノ酸配列、 を含む組換えウサギ組織因子の精製された調製物を含み、 ここで、該精製された調製物は、アフィニティータグのない組換えウサギ組織 因子に比較して、脂質結合ドメインを有する組換えウサギ組織因子タンパク質に ついて富化される、試薬。 28.血漿サンプル中のフィブリノーゲンの量を測定するための方法であって、 請求項5、請求項17、または請求項27に記載の試薬を用いる工程を包含する 、方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4454197P | 1997-04-23 | 1997-04-23 | |
| US60/044,541 | 1997-04-23 | ||
| PCT/US1998/007769 WO1998048283A1 (en) | 1997-04-23 | 1998-04-22 | Recombinant rabbit tissue factor based prothrombin time reagent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11514101A true JPH11514101A (ja) | 1999-11-30 |
| JP3246749B2 JP3246749B2 (ja) | 2002-01-15 |
Family
ID=21932957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54618598A Expired - Fee Related JP3246749B2 (ja) | 1997-04-23 | 1998-04-22 | 組換えウサギ組織因子に基づくプロトロンビン時間試薬 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6100072A (ja) |
| EP (1) | EP1015890B1 (ja) |
| JP (1) | JP3246749B2 (ja) |
| AT (1) | ATE311601T1 (ja) |
| AU (1) | AU7129598A (ja) |
| CA (1) | CA2288058A1 (ja) |
| DE (1) | DE69832628T2 (ja) |
| ES (1) | ES2255157T3 (ja) |
| IL (1) | IL132529A0 (ja) |
| WO (1) | WO1998048283A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001255332A (ja) * | 2000-03-08 | 2001-09-21 | Internatl Reagents Corp | 組織因子含有組成物 |
| JP2003516525A (ja) * | 1999-12-10 | 2003-05-13 | デイド・ベーリング・インコーポレイテッド | 予め作製されたリポソームへの精製膜蛋白質の再構成 |
| JP2007503589A (ja) * | 2003-05-16 | 2007-02-22 | ナショナル インスティテュート フォー バイオロジカル スタンダーズ アンド コントロール(エヌアイビーエスシー) | 活性化混合物 |
| JP2008509411A (ja) * | 2004-08-12 | 2008-03-27 | エフ.ホフマン−ラ ロシュ アーゲー | 肝線維症の診断方法 |
| JP2010518371A (ja) * | 2007-02-01 | 2010-05-27 | デーエスエム アイピー アセッツ ベー.ファウ. | 被験液の凝固特性の測定における診断用組成物及びその使用 |
| JP2017181265A (ja) * | 2016-03-30 | 2017-10-05 | シスメックス株式会社 | プロトロンビン時間測定用試薬、その製造方法およびプロトロンビン時間の測定方法 |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19811016A1 (de) * | 1998-03-13 | 1999-09-16 | Dade Behring Marburg Gmbh | Gebrauchsfertiges Prothrombinzeitreagenz auf der Basis von rekombinantem Gewebsfaktor |
| US6733985B1 (en) * | 1999-05-19 | 2004-05-11 | International Technidyne Corporation | Preparation of stable liquid and dried synthetic prothrombin time reagents |
| ES2222228T3 (es) * | 1999-09-03 | 2005-02-01 | Roche Diagnostics Corporation | Metodo, reactivo y cartucho de ensayo destinados a determinar el periodo de tiempo de coagulacion. |
| US6645768B1 (en) * | 2000-10-27 | 2003-11-11 | Biomerieux, Inc. | Reagent and kit for determining global coagulability and hemostatic potential |
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- 1998-04-22 CA CA002288058A patent/CA2288058A1/en not_active Abandoned
- 1998-04-22 IL IL13252998A patent/IL132529A0/xx unknown
- 1998-04-22 JP JP54618598A patent/JP3246749B2/ja not_active Expired - Fee Related
- 1998-04-22 AT AT98918354T patent/ATE311601T1/de not_active IP Right Cessation
- 1998-04-22 US US09/064,378 patent/US6100072A/en not_active Expired - Lifetime
- 1998-04-22 DE DE69832628T patent/DE69832628T2/de not_active Expired - Fee Related
- 1998-04-22 ES ES98918354T patent/ES2255157T3/es not_active Expired - Lifetime
- 1998-04-22 AU AU71295/98A patent/AU7129598A/en not_active Abandoned
- 1998-04-22 WO PCT/US1998/007769 patent/WO1998048283A1/en not_active Ceased
- 1998-04-22 EP EP98918354A patent/EP1015890B1/en not_active Revoked
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|---|---|---|---|---|
| JP2003516525A (ja) * | 1999-12-10 | 2003-05-13 | デイド・ベーリング・インコーポレイテッド | 予め作製されたリポソームへの精製膜蛋白質の再構成 |
| JP2001255332A (ja) * | 2000-03-08 | 2001-09-21 | Internatl Reagents Corp | 組織因子含有組成物 |
| JP2007503589A (ja) * | 2003-05-16 | 2007-02-22 | ナショナル インスティテュート フォー バイオロジカル スタンダーズ アンド コントロール(エヌアイビーエスシー) | 活性化混合物 |
| JP2008509411A (ja) * | 2004-08-12 | 2008-03-27 | エフ.ホフマン−ラ ロシュ アーゲー | 肝線維症の診断方法 |
| JP2010518371A (ja) * | 2007-02-01 | 2010-05-27 | デーエスエム アイピー アセッツ ベー.ファウ. | 被験液の凝固特性の測定における診断用組成物及びその使用 |
| JP2017181265A (ja) * | 2016-03-30 | 2017-10-05 | シスメックス株式会社 | プロトロンビン時間測定用試薬、その製造方法およびプロトロンビン時間の測定方法 |
| US10640805B2 (en) | 2016-03-30 | 2020-05-05 | Sysmex Corporation | Reagent for prothrombin time measurement, method for production thereof, and method for measurement of prothrombin time |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69832628T2 (de) | 2006-09-07 |
| DE69832628D1 (de) | 2006-01-05 |
| CA2288058A1 (en) | 1998-10-29 |
| EP1015890A1 (en) | 2000-07-05 |
| WO1998048283A1 (en) | 1998-10-29 |
| ATE311601T1 (de) | 2005-12-15 |
| IL132529A0 (en) | 2001-03-19 |
| ES2255157T3 (es) | 2006-06-16 |
| JP3246749B2 (ja) | 2002-01-15 |
| EP1015890B1 (en) | 2005-11-30 |
| US6100072A (en) | 2000-08-08 |
| AU7129598A (en) | 1998-11-13 |
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