JPH10508741A - 核酸−プローブ標的ハイブリッド検出の感度上昇のための増幅方法 - Google Patents
核酸−プローブ標的ハイブリッド検出の感度上昇のための増幅方法Info
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- JPH10508741A JPH10508741A JP8502671A JP50267196A JPH10508741A JP H10508741 A JPH10508741 A JP H10508741A JP 8502671 A JP8502671 A JP 8502671A JP 50267196 A JP50267196 A JP 50267196A JP H10508741 A JPH10508741 A JP H10508741A
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- C—CHEMISTRY; METALLURGY
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Abstract
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Claims (1)
- 【特許請求の範囲】 1.選択された核酸標的の検出可能な標識を増強するようにさせた増幅プロー ブであって、核酸配列の少なくとも2つの領域(第1の領域は、選択された主プ ローブ上の配列に相補的な配列も含み、また選択された核酸標的の配列に相補的 な配列を含み、第2の領域は、複数の別々に標識可能な配列単位を含む)を含む 、上記増幅プローブ。 2.別々に標識可能な配列単位の数は2〜50の範囲である、請求の範囲第1 項に記載の増幅プローブ。 3.別々に標識可能な配列単位は、標識プローブ上の相補的な配列にハイブリ ダイズ可能なヌクレオチド塩基の配列を含み、標識プローブは検出可能な化学的 標識物に共有結合している、請求の範囲第1項に記載の増幅プローブ。 4.各配列単位の長さは16〜100ヌクレオチドである、請求の範囲第3項 に記載の増幅プローブ。 5.核酸ハイブリダイゼーション試験においてプローブ−標的複合体の検出可 能な標識の増強方法であって、核酸配列の少なくとも2つの領域(第1の領域は 、選択された主プローブ上の配列に相補的な配列を含み、また選択された核酸標 的の配列に相補的な配列も含み、第2の領域は、複数の別々に標識可能な配列単 位を含む)を含む、選択された核酸標的の検出可能な標識を増強するようにさせ た増幅プローブを取り込んでなる、上記方法。 6.別々に標識可能な各配列単位は、標識プローブ上の相補的な配列にハイブ リダイズ可能なヌクレオチド塩基の配列を含み、標識プローブは検出可能な化学 的標識物に共有結合している、請求の範囲第5項に記載の方法。 7.検出可能な化学的標識物は、酵素活性を有する群、蛍光物質、発色物質、 発光物質、特異的に結合可能なリガンド、または放射性アイソトープから選択さ れる、請求の範囲第6項に記載の方法。 8.別々に標識可能な配列単位に結合した標識物は、標識検出系の試薬メンバ ーと相互作用して検出可能な応答を与える、請求の範囲第5項に記載の方法。 9.検出可能な化学的標識物は、標識物が相互作用して検出可能な応答を与え る標識検出系のメンバーであって、酵素の基質、補助因子、またはインヒビター である、請求の範囲第8項に記載の方法。 10.標識物は、酵素の作用を受けて発色、蛍光または発光シグナルを産生す る、請求の範囲第9項に記載の方法。 11.標識物は酵素の補欠分子族であり、そのアポ酵素は、標識物が相互作用 して触媒活性のあるホロ酵素を産生する標識検出系のメンバーである、請求の範 囲第9項に記載の方法。 12.補欠分子族はPADであり、アポ酵素はアポ(グルコースオキシダーゼ )である、請求の範囲第11項に記載の方法。 13.特異的核酸配列の検出方法であって、 a)選択可能な標的核酸配列に主ポリヌクレオチドプローブの第1の配列をハイ ブリダイズさせる工程(ここで、主プローブは、検出可能な標識を増強できるよ うにさせた核酸配列よりなる増幅プローブに結合する手段を有し、増幅プローブ は、化学的標識物に結合した核酸配列よりなる少なくとも1つの標識プローブに ハイブリダイズすることができる); b)標的−プローブ複合体を固定化する工程; c)増幅プローブが標的−プローブ複合体にハイブリダイズすることができる条 件下で、固定化した標的−プローブ複合体を増幅プローブに接触させる工程(こ こで、増幅プローブは、選択された主プローブ上の配列に相補的な配列を含み、 選択された核酸標的の配列に相補的な配列も含む第1の領域と、複数の別々に標 識可能な配列単位を含む第2の領域の、少なくとも2つの領域よりなる) d)多くの標識プローブが増幅プローブにハイブリダイズすることができる条件 下で、ハイブリダイズした増幅プローブを検出可能な化学的標識物に共有結合し た標識プローブ(このプローブは、増幅プローブ上の配列に相補的な配列を含む )に接触させる工程; e)標的配列の有無を示す試料とともに、標識プローブに共有結合した検出可能 な化学的標識物の有無を観察する工程、を含む上記工程。 14.プローブ−標的複合体を固定化する手段は、選択可能な標的配列と相補 的な主プローブ配列の間に形成される、DNA/DNA、DNA/RNA、また はRNA/RNA2本鎖に結合できる抗体試薬が関与する、請求の範囲第13項 に記載の方法。 15.請求の範囲第14項に記載の方法であって、抗体試薬は、 (i)DNA/RNAハイブリッド(ここで、検出されるプローブと配列の1つ はDNAであり、他はRNAである)への結合について選択的であり; (ii)RNA/RNAハイブリッド(ここで、検出されるプローブと配列の1つ はいずれもRNAである)への結合について選択的であり; (iii)挿入複合体(ここで、測定中で生成する2本鎖は、挿入複合体の形でそ こに結合した核酸を含む)への結合について選択的である、上記方法。 16.検出可能な化学的標識物は、酵素活性を有する群、蛍光物質、発色物質 、発光物質、特異的に結合可能なリガンド、または放射性アイソトープから選択 される、請求の範囲第13項に記載の方法。 17.別々に標識可能な配列単位に結合した標識物は、標識検出系の試薬メン バーと相互作用して検出可能な応答を与える、請求の範囲第13項に記載の方法 。 18.標識物は、標識物が相互作用して検出可能な応答を与える標識検出系の メンバーであって、酵素の基質、補助因子、またはインヒビターである、請求の 範囲第17項に記載の方法。 19.標識物は、酵素の作用を受けて発色、蛍光または発光シグナルを産生す る、請求の範囲第18項に記載の方法。 20.標識物は酵素の補欠分子族であり、そのアポ酵素は、標識物が相互作用 して触媒活性のあるホロ酵素を産生する標識検出系のメンバーである、請求の範 囲第18項に記載の方法。 21.補欠分子族はFADであり、アポ酵素はアポ(グルコースオキシダーゼ )である、請求の範囲第20項に記載の方法。 22.その中に存在する核酸を放出かつ変性する条件下に置いた、生物学的試 料を含む、試験媒体中の特定の核酸配列の検出に応用される、請求の範囲第13 項に記載の方法。 23.生物学的試料は食物物質を含有し、標的核酸配列は細菌性微生物のもの である、請求の範囲第22項に記載の方法。 24.生物学的試料は食物物質を含有し、標的核酸配列はウイルスのものであ る、請求の範囲第22項に記載の方法。 25.試料中の特定のポリヌクレオチド配列を検出するための試薬であって、 (i)検出される配列に実質的に相補的な少なくとも1つの1本鎖塩基配列を含 む主核酸プローブ; (ii)試料中の検出される特定のポリヌクレオチド配列の任意のものと主プロー ブの間のハイブリッドに結合することができるが、1本鎖核酸に実質的に結合す ることができない抗体試薬; (iii)選択された核酸標的の検出可能な標識を増強するようにさせた増幅プロ ーブ(このプローブは、核酸配列の少なくとも2つの領域を含み、第1の領域は 、選択された核酸標的の配列に相補的な配列を含み、第2の領域は、複数の別々 に標識可能な配列単位を含む); (iv)増幅プローブ上の配列に相補的な配列を含有する、検出可能な化学的標識 物に共有結合した標識プローブ、を含む上記試薬。 26.試料中の2本鎖核酸を1本鎖型に変換することができる、請求の範囲第 25項に記載の試薬系。 27.試料中の特定のポリヌクレオチド配列を検出するための診断用キットで あって、 (i)検出される配列に実質的に相補的な少なくとも1つの1本鎖塩基配列を含 む主核酸プローブ; (ii)試料中の検出される特定のポリヌクレオチド配列の任意のものと主プロー ブの間のハイブリッドに結合することができるが、1本鎖核酸に実質的に結合す ることができない抗体試薬; (iii)選択された核酸標的の検出可能な標識を増強するようにさせた増幅プロ ーブ(このプローブは、核酸配列の少なくとも2つの領域を含み、第1の領域は 、選択された主プローブ上の配列に相補的な配列を含み、また選択された核酸標 的 の配列に相補的な配列も含み、第2の領域は、複数の別々に標識可能な配列単位 を含む); (iv)増幅プローブ上の配列に相補的な配列を含有する、検出可能な化学的標識 物に共有結合した標識プローブ、を含む上記キット。 28.試料中の2本鎖核酸を1本鎖型に変換することができる変性剤をさらに 含む、請求の範囲第27項に記載の診断用キット。 29.請求の範囲第27項に記載の診断用キットを含む、試料中の大腸菌(Es cherichia coli)の検出のための診断用キット。 30.請求の範囲第27項に記載の診断用キットを含む、試料中のサルモネラ ・ティフィ(Salmonella typhi)の検出のための診断用キット。 31.請求の範囲第27項に記載の診断用キットを含む、試料中のリステリア ・モノシトゲネス(Listeria monocytogenes)の検出のための診断用キット。
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| PCT/CA1995/000369 WO1996000795A2 (en) | 1994-06-28 | 1995-06-27 | Method of amplification for increasing the sensitivity of detecting nucleic acid-probe target hybrids |
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| DE3420925A1 (de) * | 1984-06-05 | 1985-12-05 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren und reagenz zum nachweis einer nukleinsaeure-sequenz |
| ATE65092T1 (de) * | 1985-05-31 | 1991-07-15 | Amoco Corp | Verstaerkung von hybridisierungssignalen durch verwendung von komplementarischen dns-straengen. |
| US4882269A (en) * | 1985-12-13 | 1989-11-21 | Princeton University | Amplified hybridization assay |
| US5175270A (en) * | 1986-09-10 | 1992-12-29 | Polyprobe, Inc. | Reagents for detecting and assaying nucleic acid sequences |
| US5124246A (en) * | 1987-10-15 | 1992-06-23 | Chiron Corporation | Nucleic acid multimers and amplified nucleic acid hybridization assays using same |
| CA2039517C (en) * | 1990-04-03 | 2006-11-07 | David Segev | Dna probe signal amplification |
| WO1993013226A1 (en) * | 1991-12-23 | 1993-07-08 | Chiron Corporation | Hav probes for use in solution phase sandwich hybridization assays |
-
1994
- 1994-06-28 CA CA2126952A patent/CA2126952C/en not_active Expired - Fee Related
- 1994-07-15 US US08/275,849 patent/US5627030A/en not_active Expired - Lifetime
-
1995
- 1995-06-27 WO PCT/CA1995/000369 patent/WO1996000795A2/en not_active Ceased
- 1995-06-27 AT AT95922381T patent/ATE188744T1/de not_active IP Right Cessation
- 1995-06-27 EP EP95922381A patent/EP0770142B1/en not_active Expired - Lifetime
- 1995-06-27 AU AU27099/95A patent/AU2709995A/en not_active Abandoned
- 1995-06-27 JP JP8502671A patent/JPH10508741A/ja not_active Ceased
- 1995-06-27 DE DE69514521T patent/DE69514521D1/de not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012514202A (ja) * | 2008-12-31 | 2012-06-21 | アボット ポイント オブ ケア インコーポレイテッド | ヌクレオチドコンジュゲートを使用する免疫測定法のための方法及び装置 |
| US8445199B2 (en) | 2008-12-31 | 2013-05-21 | Abbott Point Of Care Inc. | Method and device for immunoassay using nucleotide conjugates |
| US9207246B2 (en) | 2008-12-31 | 2015-12-08 | Abbott Point Of Care Inc. | Method and device for immunoassay using nucleotide conjugates |
| US9964537B2 (en) | 2008-12-31 | 2018-05-08 | Abbott Point Of Care Inc. | Method and device for immunoassay using nucleotide conjugates |
| JP2013520962A (ja) * | 2010-02-26 | 2013-06-10 | ヴェンタナ メディカル システムズ, インク. | ポリタグプローブ |
| JP2015163072A (ja) * | 2010-02-26 | 2015-09-10 | ヴェンタナ メディカル システムズ, インク. | ポリタグプローブ |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996000795A2 (en) | 1996-01-11 |
| DE69514521D1 (de) | 2000-02-17 |
| CA2126952A1 (en) | 1995-12-29 |
| ATE188744T1 (de) | 2000-01-15 |
| AU2709995A (en) | 1996-01-25 |
| CA2126952C (en) | 2010-12-14 |
| EP0770142B1 (en) | 2000-01-12 |
| WO1996000795A3 (en) | 1996-02-22 |
| US5627030A (en) | 1997-05-06 |
| EP0770142A2 (en) | 1997-05-02 |
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