JPH07506258A - 微細加工装置を用いたポリヌクレオチド増幅分析 - Google Patents
微細加工装置を用いたポリヌクレオチド増幅分析Info
- Publication number
- JPH07506258A JPH07506258A JP5519517A JP51951793A JPH07506258A JP H07506258 A JPH07506258 A JP H07506258A JP 5519517 A JP5519517 A JP 5519517A JP 51951793 A JP51951793 A JP 51951793A JP H07506258 A JPH07506258 A JP H07506258A
- Authority
- JP
- Japan
- Prior art keywords
- polynucleotide
- sample
- flow
- chamber
- section
- 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
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Abstract
Description
Claims (43)
- 1.ポリヌクレオチド重合反応を行うことにより、試料中の予め選択されたポリ ヌクレオチドを増幅させるための装置であって;試料流入ボートと; 該流入ボートから伸びる試料流動チャンネル;および該流動チャンネルと流体連 結し、重合反応用の試薬を含有するポリヌクレオチド重合反応チャンバー;より なるメンスケール流動システムれとを形成するよう微細加工された固体基材;な らびに該チャンバーの内容物を熱調整し、温度をコントロールして該予め選択さ れたポリヌクレオチドを増幅させるための手段よりなる該装置。
- 2.該重合反応がポリメラーゼ鎖反応(PCR)であって、該PCRチャンバー が該予め選択されたポリヌクレオチド、ポリメラーゼ、ヌクレオシド三リン酸、 該試料ポリヌクレオチドとハイブリダイズする第一のプライマー、および該ポリ ヌクレオチドに相補的な配列とハイブリダイズする第二のプライマーよりなり、 該第一のプライマーおよび第二のプライマーが重合反応のポリヌクレオチド生成 物の末端を形成し;および 熱調整するための該手段が、二本鎖ポリヌクレオチドを一本鎖のポリヌクレオチ ドに分離し、該プライマーを−本鎖ポリヌクレオチドの相補領域にアニーリング するようコントロールされた温度と、該プライマーの間にポリヌクレオチドを合 成するようコントロールされた温度との間に、該チャンバー中の内容物を、熱循 環して該予め選択されたポリヌクレオチドを増幅させるための手段よりなる請求 項1記載の装置。
- 3.該PCRチャンバーが: 二本鎖ポリヌクレオチドを分離する温度の第一のセクション;該プライマーを− 本鎖ポリヌクレオチドの相補領域にアニーリングする温度の第二のセクション; 該第一のセクションおよび第二のセクションの間に配された流路よりなり;ここ に、該装置が、 該チャンバーの内容物を、少なくとも該第一のセクションおよび第二のセクショ ンの間に繰り返し輸送して、該ポリヌクレオチドの複数の増幅循環を行うための 手段を含有する請求項2記載の装置。
- 4.該第一のセクションが二本鎖ポリヌクレオチドを分離する温度にコントロー ルされ;かつ、 該第二のセクションおよび該流路が該第一のセクションから離れて位置し、それ により、該第一のセクションから該第二のセクションヘの該チャンバーの内容物 の輸送の間に、プライマーを−本鎖ポリヌクレオチドにアニーリングするのに十 分な温度まで試料か受動的に冷却される請求項3記載の装置。
- 5.さらに、該第一のセクションおよび第二のセクションを別々に熱コントロー ルするための手段よりなる請求項3記載の装置。
- 6.さらに、該第一のセクションを熱コントロールするための手段よりなる請求 項4記載の装置。
- 7.該熱コントロールするための手段が、電気抵抗手段よりなる請求項5または 6記載の装置。
- 8.該熱コントロールするための手段が、該PCRチャンバーに電磁気エネルギ ーを供給するための手段よりなる請求項5または6記載の装置。
- 9.該基材が、さらに、該PCRチャンバーと流体連絡する第二のポートよりな る請求項2記載の装置。
- 10.さらに、該増幅されたポリヌクレオチドを検出するための手段よりなる請 求項1記載の装置。
- 11.該検出するための手段が、ポリヌクレオチド凝集により引き起こされる該 流路中の液体の流動に対する抵抗を検出するための手段よりなる請求項10記載 の装置。
- 12.該増幅されたポリヌクレオチドを検出するための該手段が、該反応チャン バーと流体連絡した該基材中に配されたメンスケール検出領域よりなり;および 該装置が さらに、該反応チャンバーを通しての、該増幅されたポリヌクレオチドを該検出 領域に輸送する流動を誘起させるための手段を含有する請求項10記載の装置。
- 13.該検出領域が、該増幅されたポリヌクレオチドに検出可能に結合しうるポ リヌクレオチド・プローブを含有する請求項12記載の装置。
- 14.該ポリヌクレオチド・プローブか、磁性ビーズ上に固定化されている請求 項13記載の装置。
- 15.該検出領域が、複数の第二の流動チャンネルに通じる分岐部よりなる、該 流動チャンネルに流体連絡したフラクタル領域よりなる請求項14記載の装置。
- 16.該試料が細胞試料であって、該装置が、さらに:該メソスケール流動シス テム中の該反応チャンバーに流体連絡し、細胞試料を溶解するための細胞溶解手 段;および 該細胞溶解手段、次いで、該反応チャンバーへの該試料の流動を誘起するための 手段よりなる請求項1記載の装置。
- 17.さらに、:該細胞溶解手段から上流にあって、該細胞集団に結合しうる結 合部位よりなる、予め選択された細胞集団を選択的に捕捉すための細胞分離領域 ;および 該分離領域内において; 最初は、該試料からの該細胞集団を分離するための該結合部位によって、試料中 の該細胞集団を捕捉するのに十分に遅い流速;次いで、二番自に、該分離された 細胞集団を該分離領域から該溶解領域へ放出させるのに十分に速い流速にて流動 を誘起するための手段よりなる請求項16記載の装置。
- 18.該固体基材が、微細加工されたシリコンよりなる請求項1記載の装置。
- 19.さらに、該基材と組み合わせて用いるための器具よりなり、該器具が;該 基材を保持するための手段;および 該基材上の流入ポートと接合する流体流入手段よりなる請求項1記載の装置。
- 20.さらに、該保持手段に保持させた場合に、該基材の流動システムを通して 流体を通過させるためのポンプ手段よりなる請求項19記載の装置。
- 21.該器具が、さらに、試薬溜め、および、試薬を該流動システムにデリバリ ーするための手段よりなる請求項20記載の装置。
- 22.該器具が、該反応チャンバーを加熱するための手段を含有する請求項19 記載の装置。
- 23.さらに、該基材と組み合わせて用いるための器具よりなり、該器具が:該 基材を支持するための手段;および 該基材中の該メンスケール流動システムの内容物を観察するための光学的手段よ りなる請求項10記載の装置。
- 24.該光学的手段が拡大光学装置およびビデオカメラよりなり、該器具が、さ らに: 該装置の角度および位置を手動的に調整するための傾斜機構;および該流動シス テムの内容物を観察するためのビデオ・スクリーンよりなる請求項23記載の装 置。
- 25.ポリメラーゼ鎖反応(PCR)を行うことにより、試料中の予め選択され たポリヌクレオチドを増幅させるための装置であって:試料流入ポートと; 該流入ポートから伸びる試料流動チャンネル;および該流動チャンネルに流体連 絡し、該予め選択されたポリヌクレオチドおよびPCR試薬を受けるためのPC Rチャンバーよりなるメンスケール流動システムとを形成するよう微細加工され た固体基材;ならびに該チャンバーの内容物を熱循環させ、それにより、各々の 循環において、温度をコントロールして二本鎖ポリヌクレオチドを分離させて、 ポリヌクレオチドを合成し、それによって該予め選択されたポリヌクレオチドを 増幅させるための手段よりなる該装置。
- 26.さらに、該流動システムが、該PCRチャンバーと流体連絡する検出チャ ンバーよりなる請求項25記載の装置。
- 27.該PCRチャンバーが; 二本鎖ポリヌクレオチドを分離させる温度の第一のセクション;一本鎖ポリヌク レオチドをアニーリングさせ、ポリヌクレオチドを重合し増幅させる温度の第二 のセクション; 該第一のセクションおよび第二のセクションの間に配された流路;ならびに該チ ャンバーの内容物を、該第一のセクションおよび第二のセクションの間に繰り返 し輸送して該ポリヌクレオチドの複数の増幅循環を行うための手段よりなる請求 項25記載の装置。
- 28.さらに、該基材と組み合わせて用いるための器具よりなり、該器具が:該 基材上の流入ポートに接合した流体流入手段よりなる、該基材を支持するための 収容部位よりなる請求項25記載の装置。
- 29.基材に加工された電気接触部を含有する装置であって:該収容部位が、さ らに、該基材中にて該電気接触部と接合させるための電気コネクションを含有す る請求項28記載の装置。
- 30.該器具が、さらに、該保持手段に保持された場合に、該基材の該流動シス テムを通して流体を通過させるためのポンプ手段よりなる請求項28記載の装置 。
- 31.該流動システムが、さらに、該PCRチャンバーと流体連絡した検出領域 よりなる請求項29記載の装置。
- 32.該器具が、さらに、電源よりなる請求項28記載の装置。
- 33.ポリヌクレオチド重合反応を行うことによって試料中の予め選択されたポ リヌクレオチドを増幅させるための方法であって:(i)試料流入ポートと; 該流入ポートから伸びる試料流動チャンネル;および該流動チャンネルと流体連 絡したポリヌクレオチド重合反応チャンバーよりなるメンスケール流動システム とを形成するように微細加工された固体基材;ならびに 該予め選択されたポリヌクレオチドを増幅させるために、該チャンバーの内容物 をコントロールされた温度に熱調整するための手段;よりなる装置を供し、 (ii)該試料ポリヌクレオチドおよび重合反応に要する試薬を、該流入ポート および該メンスケール流動システムを通してデリバリーし、次いで、(iii) 該チャンバーの内容物を熱コントロールして該ポリヌクレオチドを重合させす ことを特徴とする該方法。
- 34.該重合反応がポメラーゼ鎖反応(PCR)であって;工程(i)で、該熱 コントロールするための該手段が、該チャンバーの内容物を熱循環するための手 段よりなり; 工程(ii)が、:ポリメラーゼ、ヌクレオシド三リン酸、該試料ポリヌクレオ チドとハイブリダイズする第一のプライマー、および該ポリヌクレオチドに相補 的な配列とハイブリダイズする第の二プライマーを該PCRチャンバーに添加す る工程を含有し、ここで、該第一のプライマーおよび第二のプライマーは重合反 応のポリヌクレオチド生成物の末端を形成し;および工程(iii)が、該チャ ンバーの内容物を熱循環させる工程を含有し、それにより、各々の循環において 、温度をコントロールして、二本鎖ポリヌクレオチドを分離し、それにより、す ることにより一本鎖ポリヌクレオチドを生成させ、一本鎖ポリヌクレオチドの相 補領域にアニーリングさせて該プライマーの間にポリヌクレオチドを合成し重合 させる請求項33記載の方法。
- 35.該PCRチャンバーが: 二本鎖ポリヌクレオチドを分離する温度の第一のセクション;一本鎖ポリヌクレ オチドの相補領域をアニーリングさせ、ポリヌクレオチドを重合させ増幅させる 温度の第二のセクション;該第一のセクションおよび第二のセクションの間に配 された流路よりなり、該装置が、さらに、該チャンバーの内容物を、該第一のセ クションおよび該第二のセクションの間に繰り返し輸送するための手段を含有し ;工程(iii)が、該チャンバーの内容物を該第一のセクションおよび該第二 のセクションの間に繰り返し輸送させてポリヌクレオチドの複数の増幅循環を行 う工程を含有する; ことを特徴とする請求項34記載の方法。
- 36.該第一のセクションを二本鎖ポリヌクレオチドを分離する温度にコントロ ールし;および 該チャンバーの内容物の該第一のセクションから該第二セクションヘの輸送に際 し、該試料がアニーリングし重合する温度まで実質的に冷却されるように、該第 二のセクションおよび該流路を該第一のセクションから離れて位置させ;ならび に 工程(iii)が、該チャンバーの内容物を該第一のセクションおよび該第二の セクションの間に繰り返し輸送させて該ポリヌクレオチドを重合させる工程を包 含する請求項35記載の方法。
- 37.該装置が、さらに、増幅させたポリヌクレオチドを検出するための手段を 包含し、さらに、 (iv)該増幅させたポリヌクレオチドを検出することよりなる請求項33記載 の方法。
- 38.該検出手段が、ポリヌクレオチド凝集により引き起こされる該チャンバー 内の液体の流動の抵抗を検出するための手段よりなり;および工程(iv)が、 流動に対する抵抗を該検出手段で検出する工程を包含する請求項37記載の方法 。
- 39.該増幅させたポリヌクレオチドを検出するための該手段が、該基材の中に 該反応チャンバーと流体連絡して配されたメンスケール検出領域よりなり;およ び 該装置が、さらに、該反応チャンバーを通る流動を誘起して、該増幅させたポリ ヌクレオチドを該検出領域へ輸送するための手段を含有し;ならびに工程(iv )が、該試料を該反応チャンバーから該検出領域へ該輸送手段でデリバリーし、 次いで、該増幅させたポリヌクレオチドを該検出領域中で検出する工程を包含す る請求項37記載の方法。
- 40.該検出領域が、該試料ポリヌクレオチドに検出可能に結合できるポリヌク レオチド・プローブを包含し;および ここで、工程(iv)において、該試料ポリヌクレオチドの該プローブヘの結合 を検出する請求項39記載の方法。
- 41.該検出領域が、該流動チャンネルと流体連絡した、複数の第二の流動チャ ンネルに通ずる分岐部よりなるフラクタル流動領域よりなり;およびここで、工 程(iv)において、該フラクタル流動領域を通しての試料流体の流動を検出す る請求項39記載の方法。
- 42.該試料が細胞試料であって、該装置が、さらに:試料が反応チャンバーに デリバリーされる前に細胞試料を溶解させるための、該反応チャンバーと流体連 絡した該メンスケール流動システム中の細胞溶解手段;および 該細胞溶解手段を通しての該反応チャンバーへの該試料の流動を誘起させるため の手段よりなり;ならびに 工程(ii)が、該試科を該溶解手段へ、次いで、該反応チャンバーへとデリバ リーする工程を包含する請求項33記載の方法。
- 43.該装置が、さらに: 予め選択された細胞集団を選択的に捕捉するための、該細胞溶解手段の前にあっ て、該細胞集団へ結合できる結合部位よりなる細胞分離領域よりなり;および工 程(ii)が、該細胞試料を該細胞溶解手段へデリバリーする前に第一に、該試 料中の該細胞集団が、該結合部位によって捕捉されて該試料から該細胞集団を分 離するのに十分な遅い流速;次いで、第二に、該分離された細胞集団を、該領域 から該細胞溶解手段へ放出させるのに十分に高流速で、 該試料を該細胞分離領域にデリバリーする工程を包含する請求項42記載の方法 。
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JP51951793A Expired - Lifetime JP3558294B2 (ja) | 1992-05-01 | 1993-04-29 | 微細加工装置を用いたポリヌクレオチド増幅分析 |
JP51950493A Expired - Lifetime JP3207424B2 (ja) | 1992-05-01 | 1993-04-29 | 微細加工した分析装置における流体の取扱い |
JP51949993A Expired - Lifetime JP3298882B2 (ja) | 1992-05-01 | 1993-04-29 | 微細加工した検出構造体 |
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