JP5947085B2 - 血小板活性試験のための対照及びキット - Google Patents
血小板活性試験のための対照及びキット Download PDFInfo
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- JP5947085B2 JP5947085B2 JP2012080672A JP2012080672A JP5947085B2 JP 5947085 B2 JP5947085 B2 JP 5947085B2 JP 2012080672 A JP2012080672 A JP 2012080672A JP 2012080672 A JP2012080672 A JP 2012080672A JP 5947085 B2 JP5947085 B2 JP 5947085B2
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- platelet function
- lyophilized product
- control
- platelet
- whole blood
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- 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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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2496/00—Reference solutions for assays of biological material
- G01N2496/05—Reference solutions for assays of biological material containing blood cells or plasma
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2496/00—Reference solutions for assays of biological material
- G01N2496/25—Reference solutions for assays of biological material containing added polymers to stabilise biological material against degradation or maintain viscosity or density, e.g. gelatin, polyacrylamides or polyvinyl alcohol
- G01N2496/30—Polyethylene glycol, e.g. PEG
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Description
a.正常な血小板機能を有する第一の対照を調製するための第一凍結乾燥品であって、少なくとも以下の成分を含む凍結乾燥品:
− 生理的pHを維持するための緩衝物質、及び
− 凍結乾燥用の補助物質;並びに
b.異常に低下した血小板機能を有する第二の対照を調製するための第二凍結乾燥品であって、少なくとも以下の成分を含む凍結乾燥品:
− 生理的pHを維持するための緩衝物質、
− 凍結乾燥用の補助物質、及び
− 血小板凝集直接阻害剤;
を含有するキット、を提供する。
特に、血小板機能アナライザーシステム(PFA−100(登録商標)、PFA−200、シーメンス ヘルスケア ダイアグノスティクス プロダクツ ゲゼルシャフト ミット ベシュレンクテル ハフツング、マールブルグ、ドイツ)として知られるシステムの試験原理に従う、血小板機能試験における使用に適する対照の調製のためにテストキットを調製した。
実施例1に従って調製した対照の血小板機能を、3種全ての又は個々の、PFA測定セルを備えたPFA分析装置により、二重測定で測定した。同時に、凍結乾燥品を溶解するために使用した同じ全血サンプルについても、それらの未変性の状態で(即ち、凍結乾燥品を添加することなく)測定した。
凍結乾燥したHEPESとマンニトールとを全血中に溶解して調製した正常対照(レベル1)は、3種全ての測定セルについて、僅かに長引くが、未変性の全血サンプルに比べると正常な閉鎖時間を示す。表5は、様々な測定セルにおける正常対照(レベル1)の平均閉鎖時間と比較した未変性全血サンプルの平均閉鎖時間を示す(全血サンプルは、合計14名の健常供与者から得た)。
チロフィバンは、血小板の活性化されたGP IIB/IIIa受容体を遮断するので、活性化様式及び測定セルに関係なく、血小板の凝集を防止する。従って、当初の試験は、最も強力に活性化するCol/ADP測定セルについてのみ、実施された。全血中に凍結乾燥したHEPES、マンニトール及びチロフィバンを溶解させることにより調製した異常対照(レベル2)は、Col/ADP測定セルについては、未変性の全血サンプルに比較して、また、正常対照(レベル1)に比較して、明確に延長された異常閉鎖時間を示し、その閉鎖時間は、カットオフ値を超えている。表6は、Col/ADP測定セルにおける未変性全血サンプル及び正常対照(レベル1)の平均閉鎖時間を、異常対照(レベル2)の平均閉鎖時間と比較して示す(全血サンプルは、合計14名の健常供与者から得た)。
全血中に凍結乾燥したHEPES、マンニトール、アセチルサリチル酸及びPGE1を溶解させることにより調製したCol/Epi−特異的異常対照Col/Epi(レベル2)−は、Col/Epi測定セルについて、未変性の全血サンプルに比較して、また、正常対照(レベル1)に比較して、明確に延長された異常閉鎖時間を示し、その閉鎖時間は、カットオフ値を超えている。表7は、Col/Epi測定セルにおける未変性全血サンプル及び正常対照(レベル1)の平均閉鎖時間を、異常対照Col/Epi(レベル2)の平均閉鎖時間と比較して示す(全血サンプルは、合計10名の健常供与者から得た)。
全血中に凍結乾燥したHEPES、マンニトール及びAR−C66096を溶解させることにより調製したインノバンスPFA P2Y−特異的異常対照P2Y(レベル2)−は、インノバンスPFA P2Y測定セルについて、未変性の全血サンプルに比較して、また、正常対照(レベル1)に比較して、明確に延長された異常閉鎖時間を示し、その閉鎖時間はカットオフ値を超えている(表4参照)。表8は、インノバンスPFA P2Y測定セルにおける未変性全血サンプル及び正常対照(レベル1)の平均閉鎖時間を、異常対照P2Y(レベル2)の平均閉鎖時間と比較して示す(全血サンプルは、合計4名の健常供与者から得た)。
Claims (11)
- 血小板機能測定方法のための対照を調製するためのキットであって、前記キットが、以下の成分:
a.正常な血小板機能を有する第一の対照を調製するための第一の凍結乾燥品であって、少なくとも以下の成分を含む凍結乾燥品:
− 生理的pHを維持するための緩衝物質、及び
− 凍結乾燥用の補助物質;並びに
b.正常血小板機能の50%〜80%の血小板機能を有する第二の対照を調製するための第二の凍結乾燥品であって、少なくとも以下の成分を含む凍結乾燥品:
− 生理的pHを維持するための緩衝物質、
− 凍結乾燥用の補助物質、及び
− 血小板凝集直接阻害剤;
を含有するキット。 - 各凍結乾燥品が更に正常なヒト血漿を含む請求項1に記載のキット。
- 各凍結乾燥品が更にヒトフォンビルブランド因子を含む請求項1に記載のキット。
- 生理的pHを維持するための前記緩衝物質が、HEPES、PBS、OVB、MES、PIPES、TAPS、CHES、CAPS、Tris及びMOPSからなる群から選択されるものである請求項1〜3のいずれか1項に記載のキット。
- 凍結乾燥用の前記補助物質が、二糖である請求項1〜4のいずれか1項に記載のキット。
- 凍結乾燥用の前記補助物質が、アルコールである請求項1〜5のいずれか1項に記載のキット。
- 前記第二の凍結乾燥品が、チロフィバン、アブシキシマブ、エプチフィバチド、アセチルサリチル酸、MRS2395、AR−C66096、カングレラー、チカグレラー、シロスタゾール、ジピリダモール、プロスタグランジンE1、プロスタサイクリン、イロプロスト、シカプロスト、フォルスコリン、2−MeSAMP、C1330−7、MRS2179、MRS2279、MRS2500、A2P5P、A3P5P及びA3P5PSからなる群から選ばれる血小板凝集直接阻害剤を含む請求項1〜6のいずれか1項に記載のキット。
- 正常血小板機能の50%〜80%の血小板機能を有する少なくとも1種の更なる対照を調製するための少なくとも1種の更なる凍結乾燥品を更に含み、該少なくとも1種の更なる凍結乾燥品が、第二の凍結乾燥品が含むものと同種であるが異なる量の血小板凝集直接阻害剤を含むか、又は該少なくとも1種の更なる凍結乾燥品が第二の凍結乾燥品が含むものとは異種の血小板凝集直接阻害剤を含む、請求項1〜7のいずれか1項に記載のキット。
- 血小板機能の測定方法のための対照の調製方法であって、請求項1〜8のいずれか1項に記載のキットを使用し、該キットに含まれる凍結乾燥品のそれぞれを正常な血小板機能を有する全血に溶解することを特徴とする調製方法。
- 正常な血小板機能を有する全血が、健常供与者からの全血サンプルである請求項9に記載の調製方法。
- 前記全血が、クエン酸塩、ヒルジン、PPACK、BAPA又はヘパリンにより抗凝固化されたものである請求項9又は10に記載の調製方法。
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CN105652022B (zh) * | 2015-12-31 | 2017-10-10 | 浙江盛域医疗技术有限公司 | 血栓弹力图仪质控品及其制备方法 |
CN108603888B (zh) * | 2016-02-17 | 2022-06-10 | 索尼公司 | 血小板聚集活性分析设备、分析系统、分析程序和分析方法 |
JP7110360B2 (ja) | 2017-10-09 | 2022-08-01 | テルモ ビーシーティー バイオテクノロジーズ,エルエルシー | 凍結乾燥方法 |
JP7230429B2 (ja) * | 2018-10-25 | 2023-03-01 | ソニーグループ株式会社 | 血小板凝集能解析装置、血小板凝集能解析方法及び血小板凝集能解析システム |
JP7495426B2 (ja) | 2019-03-14 | 2024-06-04 | テルモ ビーシーティー バイオテクノロジーズ,エルエルシー | 凍結乾燥容器用充填治具、システム及び使用方法 |
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US4358394A (en) | 1979-05-07 | 1982-11-09 | Coulter Electronics, Inc. | Process for preparing whole blood reference controls having long term stability |
US4338564A (en) | 1979-06-11 | 1982-07-06 | R & D Systems, Inc. | Hematology control composition and methods for its use |
DE19634313A1 (de) * | 1996-08-24 | 1998-02-26 | Behringwerke Ag | Methode zur Stabilisierung von Plättchen |
IL129877A (en) * | 1996-11-27 | 2004-08-31 | Aventis Pharm Prod Inc | A pharmaceutical preparation containing a component having an Xa antagonist activity and an antifouling agent |
US20070243632A1 (en) * | 2003-07-08 | 2007-10-18 | Coller Barry S | Methods for measuring platelet reactivity of patients that have received drug eluting stents |
US7790362B2 (en) * | 2003-07-08 | 2010-09-07 | Accumetrics, Inc. | Controlled platelet activation to monitor therapy of ADP antagonists |
DE10360628A1 (de) * | 2003-12-19 | 2005-07-21 | Dade Behring Marburg Gmbh | Kontrollplasma für Thrombinaktivitätstests |
CN101072506B (zh) * | 2004-08-12 | 2010-05-12 | 塞尔菲乐有限公司 | 制备冻干血小板的方法、包括冻干血小板的组合物和使用方法 |
US7811558B2 (en) * | 2004-08-12 | 2010-10-12 | Cellphire, Inc. | Use of stabilized platelets as hemostatic agent |
WO2007038629A2 (en) * | 2005-09-26 | 2007-04-05 | Lifecell Corporation | Dry platelet composition |
DE102006020385A1 (de) | 2006-04-28 | 2007-10-31 | Dade Behring Marburg Gmbh | Verfahren und Vorrichtung zur Bestimmung der Thrombozytenfunktion unter Flussbedingungen |
DE102006020386A1 (de) * | 2006-04-28 | 2007-10-31 | Dade Behring Marburg Gmbh | Verfahren zur Bestimmung der Thrombozytenfunktion unter Flussbedingungen |
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US20120252044A1 (en) | 2012-10-04 |
EP2508892A1 (de) | 2012-10-10 |
EP2508893A1 (de) | 2012-10-10 |
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