JPH11510364A - mRNA断片の5′末端のキャップの特異的カップリングの方法、およびmRNAおよび完全なcDNAの調製 - Google Patents
mRNA断片の5′末端のキャップの特異的カップリングの方法、およびmRNAおよび完全なcDNAの調製Info
- Publication number
- JPH11510364A JPH11510364A JP8533070A JP53307096A JPH11510364A JP H11510364 A JPH11510364 A JP H11510364A JP 8533070 A JP8533070 A JP 8533070A JP 53307096 A JP53307096 A JP 53307096A JP H11510364 A JPH11510364 A JP H11510364A
- Authority
- JP
- Japan
- Prior art keywords
- mrna
- molecule
- rna
- fragment
- cap
- 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.)
- Ceased
Links
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. アミン官能基によって官能化した分子によって真核mRNA断片の5′ 末端のキャップを特異的にカップリングする方法であって、下記の段階 a) 上記RNA断片、特にmRNA断片、の3′末端を特異的に改変して、最 後のヌクレオチドが2′および3′位にOH基を最早含まないようにし、 b) ジオールのジアルデヒドへの特異的酸化を、上記mRNA断片の5′末端 のメチルグアノシンの2′,3′−シス−ジオール官能基において行い、 c) 段階b)で得た2′,3′−ジアルデヒドを、上記分子のアミン官能基とカ ップリングさせる を行う、方法。 2. 段階a)の改変を、ヌクレオチドまたはオリゴヌクレオチドであって、そ の3′末端が2′、3′−ジオール官能基を含まないものを上記mRNA断片の 3′末端に付加することによって行う、請求の範囲第1項に記載の方法。 3. 段階a)において、上記mRNA断片の3′末端の特異的改変を、酵素、 特にRNAリガーゼを用いてヌクレオシド3′,5′−二リン酸(pNp)の連 結によって行う、請求の範囲第2項に記載の方法。 4. mRNA断片が、段階a)において2′,3′−ジオール官能基とともに 3′で終わるポリA3′末端を含むとき、上記mRNA断片の3′末端の特異的 改変を、制御されたアルカリ加水分解およびその後のアルカリ加水分解によって 生成したポリA3′末端の断片を分離する段階によって行う、請求の範囲第1項 に記載の方法。 5. 段階b)のジオール官能基のジアルデヒド官能基への特異的酸化を、過ヨ ウ素酸塩で行う、請求の範囲第1〜4項のいずれか一項に記載の方法。 6. 段階c)において、ジアルデヒドの上記アミン官能基によるカップリング を酸性媒質中で行った後、ホウ水素化物で還元する、請求の範囲第1〜5項のい ずれか1項に記載の方法。 7. 上記官能化分子が生物学的分子である、請求の範囲第1〜6項のいずれ か1項に記載の方法。 8. 真核mRNA断片の5′末端のキャップを特異的に標識する方法であっ て、請求の範囲第1〜7項のいずれか1項に記載のカップリング法を用い、前記 分子が標識分子である、方法。 9. 生物学的試料から真核mRNAの5′末端を単離する方法であって、請 求の範囲第1〜7項のいずれか1項に記載のカップリング法を用い、前記分子が 、カップリングするmRNA断片を単離することができる分子である、方法。 10. 請求の範囲第1〜9項のいずれか一項に記載の方法を行うのに有用な 試薬キットであって、 mRNA2′,3′−ジオールの3′末端の特異的改変のための試薬、 5′末端の2′,3′−ジオール官能基をジアルデヒドに酸化するための 試薬、および ジアルデヒドと前記分子のアミン官能基との間で共有カップリングを行う ための試薬 を含んでなる、試薬キット。 11. 上記酸化試薬が過ヨウ素酸ナトリウムである、請求の範囲第10項に 記載の試薬キット。 12. 上記アミン官能基によるカップリングのための上記試薬が、pH4〜 6の酸性緩衝液とホウ水素化物からなる還元試薬とを含んでなる、請求の範囲第 10項または11項に記載の試薬キット。 13. 上記末端を改変する上記試薬が、上記mRNAの3′末端を、オリゴ ヌレオチドまたはヌクレオチドであって、その3′末端に2′,3′−ジオー ル官能基を含まないものの5′末端でカップリングできる試薬である、請求の範 囲第10〜12項のいずれか1項に記載の試薬キット。 14. 上記mRNAの3′末端を改変するための上記試薬が、ヌクレオチド 3′,5′−二リン酸pNpと連結酵素T4RNAリガーゼとからなる、請求の 範囲第13項に記載の試薬キット。 15. 請求の範囲第9項に記載の生物学的試料から真核mRNAの5′末端 を単離する方法であって、 1) mRNAの5′末端のキャップの特異的カップリングを、請求の範囲 第1〜7項のいずれか1項に記載の第一の分子P1で行って、結合体P1−mR NAを得て、 2) 上記の第一の生物学的分子で標識した上記mRNA(P1−mRNA )を、上記の第一の分子に共有的または非共有的に結合している第二の分子P2 に暴露して、結合体またはそれぞれ複合体(P2/P1−mRNA)を形成し、 3) 上記結合体または上記複合体P2/P1−mRNAを試料から分離し 、 4) P2およびP1の間の共有結合の開裂または脱複合体形成を場合によ って行い、カップリングしたmRNAP1−mRNAを回収する ことを特徴とする、方法。 16. a) 段階2)において、上記の第二の分子を固相に付着させ、 b) 段階3)において、上記結合体または上記複合体でコーティングした固相を試 料から分離する、請求の範囲第15項に記載の方法。 17. P1およびP2が、非共有的に相互作用し、複合体を形成する、請求 の範囲第15項または16項に記載の方法。 18. P1がビオチンヒドラジドであり、P2がアビジンまたはストレプト アビジンである、請求の範囲第15〜17項のいずれか一項に記載の方法。 19. 固相が、生物学的試料が存在し、または上記容器に導入されるビーズ のような成分である容器の内面からなる、請求の範囲第16〜18項のいずれか 一項に記載の方法。 20. 完全なmRNAを単離する、請求の範囲第15〜19項のいずれか一 項に記載の方法。 21. P1と上記mRNAとの間の開裂の追加段階を含み、カップリングし ていないmRNAを回収する、請求の範囲第15〜20項のいずれか一項に記載 の方法。 22. 請求の範囲第15〜21項のいずれか一項に記載の方法を行うのに有 用な試薬キットであって、 mRNA5′キャップと請求の範囲第10〜14項のいずれか一項に記載 の上記第一の分子とを特異的にカップリングするための試薬キットの成分、およ び 上記第二の分子の溶液、または第二の分子が付着する固相 を含んでなる、試薬キット。 23. cDNA3′末端、特に完全な一本鎖cDNAの製造法であって、下 記の a) 請求の範囲第9項または15〜21項のいずれか一項に記載の単離法 よって得たmRNAの逆転写を行い、 b) 一本鎖RNAおよび非ハイブリッドRNA断片を除去して、mRNA が、5′キャップが上記第一の分子によって特異的にカップリングしているmR NAであるcDNA/mRNAヘテロ二本鎖の個体群のみを保存し、 c) 上記ヘテロ二本鎖を、上記第二の分子でコーティングした固相によっ て捕捉し、 d) ヘテロ二本鎖の脱ハイブリダイゼーションを行って一本鎖cDNAを 回収する 段階を行うことを特徴とする、方法。 24. 段階b)において、一本鎖RNAまたは非ハイブリッドRNA断片の除 去を、一本鎖または非ハイブリッドRNAを分解し、かつ完全なRNA/DNA ヘテロ二本鎖を残す酵素による酵素処理によって行う、請求の範囲第23項に記 載の方法。 25. 段階b)において、酵素TIRNアーゼまたはS1ヌクレアーゼを用い る、請求の範囲第24項に記載の方法。 26. mRNA5′末端に相当する真核性の二本鎖cDNAおよび特に完全 なcDNAの製造法であって、下記の a) 真核mRNA断片の5′末端のキャップのカップリングを請求の範囲 第1〜6項のいずれか1項に記載の方法に従って行い、上記官能化分子が3′末 端にアミン官能基を含むオリゴヌクレオチドタグであり、mRNAの3′末端の 改変の第一段階が任意であり、 b) 段階a)で得た連結mRNAの逆転写を行い、 c) 段階b)で得たヘテロ二本鎖を変性し、一本鎖RNA断片を除去して、 第一のcDNA鎖を得て、 d) 第二の鎖の合成を、DNAポリメラーゼ酵素およびプライマーであっ て、その配列が上記オリゴヌクレオチドタグの配列の全体または一部に対して抗 補体性であるものを用いて行う 段階を行うことを特徴とする、方法。 27. 請求項1〜9項、または15〜20項のいずれか一項に記載の方法に よって得られる、上記分子に対して5′末端のキャップによって特異的にカップ リングしたmRNA。 28. mRNAを認識するタンパク質Poを捕捉する方法であって、上記タ ンパク質を、請求項15〜21項のいずれか一項に記載の単離法によって得たm RNAに暴露した後、複合体(Po/完全なmRNA)を回収し、脱複合体形成 を行って上記タンパク質Poを回収することを特徴とする、方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9505221A FR2733765B1 (fr) | 1995-05-02 | 1995-05-02 | Methode de couplage specifique de la coiffe de l'extremite 5' d'un fragment d'arnm |
| FR95/05221 | 1995-05-02 | ||
| FR9509467A FR2733762B1 (fr) | 1995-05-02 | 1995-08-03 | Methode de couplage specifique de la coiffe de l'extremite 5' d'un fragment d'arnm et preparation d'arnm et d'adnc complet |
| FR95/09467 | 1995-08-03 | ||
| PCT/FR1996/000651 WO1996034981A2 (fr) | 1995-05-02 | 1996-04-29 | METHODE DE COUPLAGE SPECIFIQUE DE LA COIFFE DE L'EXTREMITE 5' D'UN FRAGMENT D'ARNm ET PREPARATION D'ARNm ET D'ADNc COMPLET |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11510364A true JPH11510364A (ja) | 1999-09-14 |
Family
ID=26231928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8533070A Ceased JPH11510364A (ja) | 1995-05-02 | 1996-04-29 | mRNA断片の5′末端のキャップの特異的カップリングの方法、およびmRNAおよび完全なcDNAの調製 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6022715A (ja) |
| EP (1) | EP0824598B1 (ja) |
| JP (1) | JPH11510364A (ja) |
| AT (1) | ATE227346T1 (ja) |
| AU (1) | AU719217B2 (ja) |
| CA (1) | CA2220045C (ja) |
| DE (1) | DE69624695T2 (ja) |
| DK (1) | DK0824598T3 (ja) |
| ES (1) | ES2186778T3 (ja) |
| FR (1) | FR2733762B1 (ja) |
| PT (1) | PT824598E (ja) |
| WO (1) | WO1996034981A2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015521857A (ja) * | 2012-07-10 | 2015-08-03 | レクソジェン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングLEXOGEN GmbH | 5’保護に依存した増幅 |
| WO2023127774A1 (ja) * | 2021-12-28 | 2023-07-06 | 株式会社ダナフォーム | 遺伝子包含体の検出方法及び検出用キット |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766891A (en) | 1994-12-19 | 1998-06-16 | Sloan-Kettering Institute For Cancer Research | Method for molecular cloning and polynucleotide synthesis using vaccinia DNA topoisomerase |
| JP3441899B2 (ja) * | 1996-11-01 | 2003-09-02 | 理化学研究所 | 完全長cDNAライブラリーの作成方法 |
| EP0920526B1 (en) * | 1997-06-12 | 2004-11-24 | Sloan-Kettering Institute For Cancer Research | Covalent joining of dna strands to rna strands catalyzed by vaccinia topoisomerase |
| US7393663B2 (en) | 1997-08-01 | 2008-07-01 | Serono Genetics Institute S.A. | Expressed sequence tags and encoded human proteins |
| JP2001512016A (ja) * | 1997-08-01 | 2001-08-21 | ジェンセット | 筋肉およびその他中胚葉組織中で発現される分泌タンパク質の5’est |
| CA2296398A1 (en) * | 1997-08-01 | 1999-02-11 | Genset | 5' ests for secreted proteins expressed in endoderm |
| DK1000149T3 (da) * | 1997-08-01 | 2007-09-10 | Serono Genetics Inst Sa | 5'-EST'ere til udskilte proteiner identificeret fra hjernevæv |
| JP2001512013A (ja) * | 1997-08-01 | 2001-08-21 | ジェンセット | 前立腺に発現される分泌タンパク質の5’est |
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-
1995
- 1995-08-03 FR FR9509467A patent/FR2733762B1/fr not_active Expired - Fee Related
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1996
- 1996-04-29 DK DK96914259T patent/DK0824598T3/da active
- 1996-04-29 AT AT96914259T patent/ATE227346T1/de not_active IP Right Cessation
- 1996-04-29 US US08/930,102 patent/US6022715A/en not_active Expired - Fee Related
- 1996-04-29 DE DE69624695T patent/DE69624695T2/de not_active Expired - Fee Related
- 1996-04-29 CA CA002220045A patent/CA2220045C/fr not_active Expired - Fee Related
- 1996-04-29 AU AU59829/96A patent/AU719217B2/en not_active Ceased
- 1996-04-29 EP EP96914259A patent/EP0824598B1/fr not_active Expired - Lifetime
- 1996-04-29 PT PT96914259T patent/PT824598E/pt unknown
- 1996-04-29 WO PCT/FR1996/000651 patent/WO1996034981A2/fr not_active Ceased
- 1996-04-29 JP JP8533070A patent/JPH11510364A/ja not_active Ceased
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015521857A (ja) * | 2012-07-10 | 2015-08-03 | レクソジェン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツングLEXOGEN GmbH | 5’保護に依存した増幅 |
| WO2023127774A1 (ja) * | 2021-12-28 | 2023-07-06 | 株式会社ダナフォーム | 遺伝子包含体の検出方法及び検出用キット |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2220045A1 (fr) | 1996-11-07 |
| ATE227346T1 (de) | 2002-11-15 |
| PT824598E (pt) | 2003-03-31 |
| FR2733762A1 (fr) | 1996-11-08 |
| FR2733762B1 (fr) | 1997-08-01 |
| DE69624695T2 (de) | 2003-07-31 |
| AU5982996A (en) | 1996-11-21 |
| CA2220045C (fr) | 2001-10-30 |
| ES2186778T3 (es) | 2003-05-16 |
| US6022715A (en) | 2000-02-08 |
| DE69624695D1 (de) | 2002-12-12 |
| DK0824598T3 (da) | 2003-03-10 |
| EP0824598A2 (fr) | 1998-02-25 |
| WO1996034981A2 (fr) | 1996-11-07 |
| EP0824598B1 (fr) | 2002-11-06 |
| AU719217B2 (en) | 2000-05-04 |
| WO1996034981A3 (fr) | 1997-01-03 |
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