JP5165580B2 - 血管疾患の診断および評価のためのポリペプチドマーカー - Google Patents
血管疾患の診断および評価のためのポリペプチドマーカー Download PDFInfo
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- Peptides Or Proteins (AREA)
Description
動脈硬化は、血管沈着物による動脈の硬化を指す。コレステロール結晶の沈着物は、炎症性病巣(アテローム)の形成をもたらし、そこには血液成分、脂質、代謝スラグおよび石灰塩が沈殿しがちである。二次元の硬化症であるいわゆるプラークが形成され、これにより血管壁はより固く、より狭くなる。動脈は、弾性を失い、この仕事、すなわち、体の個々の領域への心臓からの血液の輸送の遂行が困難である。二次疾患は、例えば、狭心症、心筋梗塞、循環虚脱、脳卒中を含む。循環障害はたいてい、体の下部、腹部大動脈から足動脈までを冒し、ならびに筋肉組織への血流および酸素供給の減少をもたらし、次第に壊死性になる。最終段階では、潰瘍が生じ、切断手術が不可避になる程度まで血管を閉塞する。高血圧には明確な原因がなく、例えば、薬剤の摂取または副腎ホルモンの過剰分泌は、血圧を急増させることがある。高血圧は、永続的ストレスでも見られ、これは血管痙攣に帰着する。高血圧は血管壁を損傷するため、裂傷または閉塞の危険がある。心臓拍動の規則性が乱されるならば、この状態は不整脈と呼ばれる。心臓拍動は、速過ぎる(頻脈)、遅過ぎる(徐脈)、または不規則である(不整脈)のいずれかであり得る。血管疾患は、不健康な、ならびに不自然な生活行動によっても起こるので、予防により避けることができる。生活様式の徹底的転換によって、初期段階の動脈硬化は、例えば、血圧ならびに血液脂質量を低下させることによって避けることができる。血管疾患の進行は、医薬治療(例えば、アセチルサリチル酸、β受容体遮断薬、ACE阻害剤など)によりさらに遅らせることができる。しかし、損傷した血管は修復できないこと、および悪化した段階での過程は不可逆であることに注意するべきである。従って、血管疾患の早期発見は特に重要である。
冠動脈心疾患では、VDの診断は、危険因子の評価により、ならびに血圧、休息時および運動負荷心電図の測定、および脂質状態(LDLコレステロール、HDLコレステロール、トリグリセリド)、空腹時血糖値および、必要であれば、HbA1cを定量するための血液像のような非侵襲性の検査により、まず間接的に行われる。このような検査がハイリスク特徴の存在を生じ、すなわち重度血管事象(死亡、心筋梗塞)が近い将来に予想される場合、より正確な診断が、侵襲的診断学により、例えばカテーテル検査または冠動脈造影の形で行われる。このようにして、心臓および冠動脈血管および他の血管は、カテーテルにより、またはX線法で検査される。X線造影剤は、X線画像上での心臓および血管のよりよい視覚化のために使用される。障害または疾患のために非侵襲的検査が可能でない患者、および冠動脈心疾患の疑いを確実に排除することが、仕事関係の理由で不可欠な患者(例えばパイロット、消防士)に、非侵襲的診断学が信頼できる結果を提供できなかった場合に、冠動脈造影の表示は、低または中程度の予備検査的確率を含む。しかし、冠動脈造影は、上記の予備検査に加えて、甲状腺機能亢進症または造影剤に対するアレルギーのような様々な合併症が排除される場合に限り実施できる。加えて、造影剤は腎臓を通って分泌されるので、十分な腎機能が確保されなければならず、または透析依存対象については、検査に引き続き常に透析を実施しなければならない。従って、血管疾患の早期で信頼できる診断が非侵襲的にできることの必要性が明らかになる。
腎臓の血管疾患は、
・腎動脈狭窄
・腎動脈血栓症
・腎動脈塞栓症
・腎静脈血栓症
を含む。
PTA(経皮経管的カテーテル血管形成術):挿入バルーンカテーテルによる狭窄の拡張(バルーン拡張)
・ステント:血管を開いたままにする金網(ステント)の挿入;
・狭窄の外科的除去。
脳領域の狭窄血管は、酸素供給の減少をもたらし、(例えば、動脈硬化からの変化よる急性凝血により)動脈がふさがれると、知覚の消失、麻痺、言語障害などとともに、脳卒中が起こる。大動脈におけるような脳動脈では、動脈硬化が、まれな症例で、血管壁の動脈瘤をもたらすことがあり、また高血圧のような危険因子とともに、血管壁が裂け、致命的な内出血を起すこともある。
VDを診断するためのポリペプチドマーカーを検出するために、尿が採用された。尿は、重度VDに罹っている患者からだけでなく、健康なドナー(対照群)からも集められた。
CE−MS測定は、Beckman Coulter(P/ACE MDQ System;Beckman Coulter Inc.,Fullerton,CA,米国)からのキャピラリー電気泳動システムおよびBruker(micro−TOF MS,Bruker Daltonik,Bremen,ドイツ)からのESI−TOF質量分析計で行った。
CE測定を点検および標準化するために、明示されたCE移動時間により特徴づけられる下記のタンパク質またはポリペプチドが用いられた。
Claims (10)
- 請求項1に定義される少なくとも5つまたは6つ、または少なくとも10個またはすべてのポリペプチドマーカーが使用される、請求項1に記載の方法。
- 前記ポリペプチドマーカーの有無または振幅を検出するために、キャピラリー電気泳動、HPLC、気相イオン分光測定および/または質量分析が使用される、請求項1から4のいずれかに記載の方法。
- 前記ポリペプチドマーカーの分子質量が測定される前にキャピラリー電気泳動が行われる、請求項1から5のいずれかに記載の方法。
- 前記ポリペプチドマーカーの有無または振幅を検出するために、質量分析が使用される、請求項1から6のいずれかに記載の方法。
- 血管疾患を評価するための、請求項1に記載の分子質量およびCE時間により特徴づけられるマーカー1〜526から選択される、少なくとも3つのポリペプチドマーカーの使用。
- 血管疾患の評価のために、
a)尿試料を少なくとも3つのサブ試料に分ける段階;および
b)少なくとも2つの前記サブ試料を分析する段階;
を含む、前記尿試料中の少なくとも3つのポリペプチドマーカーの有無または振幅を検出する方法であって、前記ポリペプチドマーカーは、請求項1に記載の分子質量およびCE時間により特徴づけられるマーカー1〜526から選択され、該CE時間は、25kVの印加電圧で50μmの内径(ID)を有する長さ90cmのガラス毛細管に基づき、移動溶媒として20%アセトニトリル、0.25Mギ酸水溶液が使用される、前記方法。 - 尿試料を少なくとも10個のサブ試料に分ける段階、および少なくとも10個のサブ試料を分析する段階を含む、請求項9に記載の方法。
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DE102005057382.7 | 2005-11-30 | ||
DE102005057382 | 2005-11-30 | ||
EP06120879 | 2006-09-19 | ||
EP06120879.9 | 2006-09-19 | ||
PCT/EP2006/069096 WO2007063089A2 (de) | 2005-11-30 | 2006-11-30 | Polypeptidmarker zur diagnostik und beurteilung vaskulären erkrankungen |
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US (2) | US20100126861A1 (ja) |
EP (1) | EP1955075A2 (ja) |
JP (1) | JP5165580B2 (ja) |
KR (1) | KR20080074190A (ja) |
AU (1) | AU2006319138B2 (ja) |
BR (1) | BRPI0619248A2 (ja) |
CA (1) | CA2631602A1 (ja) |
EA (1) | EA014529B1 (ja) |
IL (1) | IL191605A0 (ja) |
NO (1) | NO20082394L (ja) |
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WO (1) | WO2007063089A2 (ja) |
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WO2004089184A2 (en) * | 2003-04-01 | 2004-10-21 | Diadexus, Inc. | NEW USES OF Lp-PLA2 IN COMBINATION TO ASSESS CORONARY RISK |
US7344892B2 (en) * | 2003-09-23 | 2008-03-18 | Beth Israel Deaconess Medical Center, Inc. | Screening for gestational disorders |
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- 2006-11-30 EP EP06819861A patent/EP1955075A2/de not_active Ceased
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- 2006-11-30 WO PCT/EP2006/069096 patent/WO2007063089A2/de active Application Filing
- 2006-11-30 AU AU2006319138A patent/AU2006319138B2/en not_active Ceased
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Also Published As
Publication number | Publication date |
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EA200801475A1 (ru) | 2009-02-27 |
WO2007063089A3 (de) | 2008-01-17 |
WO2007063089A2 (de) | 2007-06-07 |
EA014529B1 (ru) | 2010-12-30 |
NO20082394L (no) | 2008-08-26 |
SG170009A1 (en) | 2011-04-29 |
KR20080074190A (ko) | 2008-08-12 |
CA2631602A1 (en) | 2007-06-07 |
EP1955075A2 (de) | 2008-08-13 |
AU2006319138B2 (en) | 2013-05-16 |
IL191605A0 (en) | 2008-12-29 |
JP2009521670A (ja) | 2009-06-04 |
US20100126861A1 (en) | 2010-05-27 |
US20150247865A1 (en) | 2015-09-03 |
AU2006319138A1 (en) | 2007-06-07 |
BRPI0619248A2 (pt) | 2011-09-20 |
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