JP5198565B2 - 心疾患に関連する又は関連しないgdf−15の上昇の区別のための手段及び方法 - Google Patents
心疾患に関連する又は関連しないgdf−15の上昇の区別のための手段及び方法 Download PDFInfo
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- JP5198565B2 JP5198565B2 JP2010522391A JP2010522391A JP5198565B2 JP 5198565 B2 JP5198565 B2 JP 5198565B2 JP 2010522391 A JP2010522391 A JP 2010522391A JP 2010522391 A JP2010522391 A JP 2010522391A JP 5198565 B2 JP5198565 B2 JP 5198565B2
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- G01N2333/575—Hormones
- G01N2333/58—Atrial natriuretic factor complex; Atriopeptin; Atrial natriuretic peptide [ANP]; Brain natriuretic peptide [BNP, proBNP]; Cardionatrin; Cardiodilatin
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Description
(a)該被験体のサンプル中のGDF-15の量を測定するステップ、及び
(b)ステップ(a)で測定したGDF-15の量と適切な参照量とを比較することにより、心不全を診断するステップ
を含む方法を開示している。
(a)該被験体のサンプル中のナトリウム利尿ペプチドの量を測定するステップ、
(b)該被験体のサンプル中のGDF-15の量を測定するステップ、
(c)(ナトリウム利尿ペプチド/GDF-15)の比を算出するステップ、
(d)ステップ(c)で算出した比に基づいて、被験体が心疾患に罹患しているかどうかを診断するステップ
を含む方法に関する。
(a)被験体のサンプル中のナトリウム利尿ペプチドの量を測定するための手段;
(b)被験体のサンプル中のGDF-15の量を測定するための手段;
(c)場合により、(ナトリウム利尿ペプチド/GDF-15)の比を算出するための手段;
(d)場合により、ステップ(c)において算出された比に基づいて、該被験体が心疾患に罹患しているかどうかを診断するための手段
を含むデバイスに関する。
(a)被験体のサンプル中のナトリウム利尿ペプチドの量を測定するための手段;
(b)被験体のサンプル中のGDF-15の量を測定するための手段;
(c)場合により、(ナトリウム利尿ペプチド/GDF-15)の比を算出するための手段;
(d)場合により、ステップ(c)において算出された比に基づいて、該被験体が心疾患に罹患しているかどうかを診断するための手段
とを含むキットに関する。
血清サンプル及び血漿サンプル中のGDF-15及びNT-proBNPの測定
血清サンプル及び血漿サンプル中のGDF-15の濃度を測定するために、GDF-15アフィニティークロマトグラフィーで精製したポリクローナルヤギ抗ヒトGDF-15 IgG抗体(R&D Systems;AF957)を用いて免疫放射定量分析アッセイ(IRMA)を開発した。Maxisorp Startubes(Nunc)を、0.1 Mの炭酸ナトリウムバッファー(pH 9.0)中の0.5μgの抗GDF-15 IgGにより4℃で一晩かけてコーティングした後、0.1%Tween 20を添加したリン酸緩衝生理食塩水で2回洗った。血清サンプル又は血漿サンプル(100 μL)をアッセイバッファー(30 g/L BSA、10 g/LウシIgG、1%ヤギ血清、0.1%アジ化ナトリウム、1 M NaCl、40 mM リン酸ナトリウムバッファー, pH 7.4)で1:1に希釈し、試験管に入れ、4℃で16時間インキュベートした。2回の洗浄ステップの後、10 ngの[125I]ヨウ素化抗GDF-15 IgG(比活性 0.74 MBq/μg)を200μLのアッセイバッファーで希釈し、これを各試験管に添加して、室温で4時間インキュベートした。3回の最終洗浄ステップ後、結合している放射活性をガンマカウンター(LKB Wallac 1261)で定量した。各実験において、R&D Systemsの組換えヒトGDF-15(957-GD/CF)を用いて標準曲線を作成した。組換えGDF-15タンパク質の新しいバッチでの結果は標準血漿サンプルで試験し、10%を超える偏差は、このアッセイのために調整係数を導入して補正した。同一の患者から得た血清サンプル及び血漿サンプル中のGDF-15の測定は、最終的な希釈係数について補正した後には実質的に同一の結果を生じた。このアッセイの検出限界は20 pg/mLであった。アッセイ内変動係数は、744、1518、及び8618 pg/mLの平均GDF-15レベルについて測定してそれぞれ5.6、5.9、及び6.5%であった。アッセイ間変動係数は、832、4739、及び9230 pg/mLの平均GDF-15レベルについて測定してそれぞれ8.6、5.7、及び4.4%であった。
50人の癌、76人の肝線維症、120人の見かけ上健常な血液ドナーと残りの種々の心疾患の患者のコホートにおいて、GDF-15及びNT-proBNPを測定した。150 pg/mlより低いNT-proBNP値を、心筋機能障害(心不全)の非発生の手がかりとした。
Claims (8)
- 被験体が心筋機能障害及び/若しくは心不全に罹患しているか否かを検出する方法であって、
(a)被験体のサンプル中のNT-proBNPの量を測定するステップ、
(b)被験体のサンプル中のGDF-15の量を測定するステップ、
(c)GDF-15に対するNT-proBNPの比を算出するステップ、
(d)ステップ(c)で算出した比に基づいて、被験体が心筋機能障害及び/若しくは心不全に罹患しているのか、又は該心筋機能障害及び/若しくは心不全以外の疾患に罹患しているのかを検出するステップ
を含む方法。 - GDF-15に対するNT-proBNPの比0.10以上が心筋機能障害及び/若しくは心不全の指標となる、請求項1に記載の方法。
- GDF-15に対するNT-proBNPの比0.12以上が心筋機能障害及び/若しくは心不全の指標となる、請求項1に記載の方法。
- GDF-15に対するNT-proBNPの比0.15以上が心筋機能障害及び/若しくは心不全の指標となる、請求項1に記載の方法。
- 心筋機能障害及び/若しくは心不全が、心不全を伴う若しくは伴わない心筋機能障害である、請求項1〜4のいずれか1項に記載の方法。
- 心不全が無症候性である、請求項5に記載の方法。
- GDF-15に対するNT-proBNPの比0.1未満が心筋機能障害及び/若しくは心不全以外の疾患の指標となる、請求項1〜6のいずれか1項に記載の方法。
- 被験体がヒトである、請求項1〜7のいずれか1項に記載の方法。
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EP07115303 | 2007-08-30 | ||
EP07115303.5 | 2007-08-30 | ||
PCT/EP2008/061407 WO2009027514A1 (en) | 2007-08-30 | 2008-08-29 | Means and methods for the discrimination of gdf-15 elevation related or unrelated to cardiac disorders |
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JP5198565B2 true JP5198565B2 (ja) | 2013-05-15 |
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US (1) | US20100248259A1 (ja) |
EP (1) | EP2195660A1 (ja) |
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US20150017671A1 (en) | 2004-04-16 | 2015-01-15 | Yaping Shou | Methods for detecting lp-pla2 activity and inhibition of lp-pla2 activity |
ES2379104T3 (es) * | 2007-05-24 | 2012-04-20 | F. Hoffmann-La Roche Ag | Métodos para evaluar el fallo cardíaco en pacientes con fibrilación auricular utilizando péptidos GDF-15 |
ES2534921T3 (es) * | 2010-08-26 | 2015-04-30 | F. Hoffmann-La Roche Ag | Uso de biomarcadores en la evaluación de la transición temprana de la hipertensión arterial a la insuficiencia cardíaca |
US9523687B2 (en) * | 2014-02-28 | 2016-12-20 | Institut Pasteur | Levels of CXCL 10/IP-10 forms and soluble CD26/DPPIV activity as early predictive biomarkers for HIV/SIV associated mucosal inflammation and progression towards AIDS |
EP3157942B1 (en) * | 2014-06-23 | 2020-06-17 | Novartis AG | Site specific protein modifications |
US12001939B2 (en) | 2018-12-11 | 2024-06-04 | Eko.Ai Pte. Ltd. | Artificial intelligence (AI)-based guidance for an ultrasound device to improve capture of echo image views |
US11931207B2 (en) | 2018-12-11 | 2024-03-19 | Eko.Ai Pte. Ltd. | Artificial intelligence (AI) recognition of echocardiogram images to enhance a mobile ultrasound device |
US11446009B2 (en) | 2018-12-11 | 2022-09-20 | Eko.Ai Pte. Ltd. | Clinical workflow to diagnose heart disease based on cardiac biomarker measurements and AI recognition of 2D and doppler modality echocardiogram images |
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US6673562B2 (en) * | 2000-08-24 | 2004-01-06 | Spectral Diagnostics, Inc. | Differential immunoassay |
DE102004051847B4 (de) * | 2004-10-25 | 2008-09-18 | Dade Behring Marburg Gmbh | Verhältnis von PIGF und Flt-1 als prognostischer Parameter bei kardio-vaskulären Erkrankungen |
US20060183174A1 (en) * | 2005-02-11 | 2006-08-17 | Leong Ng | Diagnosis |
CA2598582A1 (en) * | 2005-02-17 | 2006-08-24 | Georg Hess | Use of nt-proanp/nt-probnp ratio for diagnosing cardiac dysfunctions |
EP1884777A1 (en) * | 2006-08-04 | 2008-02-06 | Medizinische Hochschule Hannover | Means and methods for assessing the risk of cardiac interventions based on GDF-15 |
WO2008015254A2 (en) * | 2006-08-04 | 2008-02-07 | Medizinische Hochschule Hannover | Means and methods for assessing the risk of cardiac interventions based on gdf-15 |
EP1983345A1 (en) * | 2007-04-17 | 2008-10-22 | Roche Diagnostics GmbH | Means and method for assessing the risk of a cardiac intervention in patients suffering from a stable coronary heart disease based on GDF-15 |
ES2379104T3 (es) * | 2007-05-24 | 2012-04-20 | F. Hoffmann-La Roche Ag | Métodos para evaluar el fallo cardíaco en pacientes con fibrilación auricular utilizando péptidos GDF-15 |
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