JP5648007B2 - 抗原としてペプチドライブラリーを用いたモチーフ特異性および状況独立性抗体の産生 - Google Patents
抗原としてペプチドライブラリーを用いたモチーフ特異性および状況独立性抗体の産生 Download PDFInfo
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- JP5648007B2 JP5648007B2 JP2012058996A JP2012058996A JP5648007B2 JP 5648007 B2 JP5648007 B2 JP 5648007B2 JP 2012058996 A JP2012058996 A JP 2012058996A JP 2012058996 A JP2012058996 A JP 2012058996A JP 5648007 B2 JP5648007 B2 JP 5648007B2
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- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 1
- 238000000539 two dimensional gel electrophoresis Methods 0.000 description 1
- ZSZYCGVNBKEVPH-UHFFFAOYSA-N tyramine phosphate Chemical compound NCCC1=CC=C(OP(O)(O)=O)C=C1 ZSZYCGVNBKEVPH-UHFFFAOYSA-N 0.000 description 1
- 229940121358 tyrosine kinase inhibitor Drugs 0.000 description 1
- 239000005483 tyrosine kinase inhibitor Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/44—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material not provided for elsewhere, e.g. haptens, metals, DNA, RNA, amino acids
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Description
本発明は、抗原として使用されるペプチドライブラリーにおける任意の個々の配列の濃度が非常に低いので宿主における免疫応答を駆動するのに不十分であるという概念に基づく。したがって、免疫応答を駆動するのに十分に高濃度の抗原決定基のみが各配列ならびにそのペプチドバックボーンに共通の固定残基である。
状況独立性ホスホトレオニン抗体
ペプチドライブラリー抗原の合成
リン酸化トレオニン残基を含む任意のタンパク質と反応する(すなわち、周囲のアミノ酸のホスホトレオニンに独立して結合する)ホスホ特異性抗体を、高度に変性させたペプチドライブラリーXXXXXXThr*XXXXXXC(式中、X=システインを除く全20アミノ酸、Thr*=ホスホトレオニン)の合成によって得た。
異質二重機能性架橋剤(m−マレイミドベンゾイル−N−ヒドロキシスクシンイミドエステル(MBS))を使用して、キャリアタンパク質(KLH)へ結合させるC末端システイン残基を含む全てのペプチドを合成した。使用した結合法は製造者(Pierce)に記載の通りであるが、動物の免疫化および追加免疫用の物質を増加させるためにKLHにカップリングしたペプチドの量は10mgに増加させた。N末端およびKLHリジン残基のε−アミノ基に対する反応後に過剰なMBSを取り除くために、スケールアップにはより大きな脱塩カラム(Bio−Rad 10 DG(Cambridge、MA))の使用が必要であった。
プロテインキナーゼコンセンサス部位特異的ホスホ抗体
MAPK−コンセンサス認識部位:PXS*P
MAPKリン酸化の好ましい部位PXS*Pのペプチドライブラリーを、実質的に実施例1に記載のように合成した(図2a)。等モル量のホスホセリンおよびトレオニンとの混合物に加えて、以下の2つの他の位置のアミノ酸も固定した:−2位のプロリンおよび+1位のプロリン。このライブラリーをKLHにカップリングし、ホスホトレオニンについて記載したようにウサギに注射した。最も有望なウサギ由来のIgGをprotein Aで精製し、非ホスホThr/Serペプチドライブラリーカラムを通過させた。非吸着画分(通過したもの)を、ホスホPXS*Pカラムに注ぎ、低pHで溶出し、透析し、ホスホペプチドおよび非ホスホペプチドを用いたELISAによってホスホ特異性について試験した。
プロテインキナーゼコンセンサス部位特異的ホスホ抗体
14−3−3結合部位:RSXS*XP
14−3−3標的を同定する抗体を、ペプチドライブラリーXXXXRSXS*XPXXXXC(式中、S*はホスホセリンを示し、Xは任意のアミノ酸を表し、Cはシステインである)の合成によって得た。上記の14−3−3ホスホペプチドライブラリーを、実施例1に記載のように、ABIペプチド合成機および変性カップリング反応中のシステイン以外の各アミノ酸の混合物を用いたF−Moc固相ペプチド合成によって合成した。
マウスモノクローナル抗体の産生:CDKコンセンサスリン酸化部位PXT*PXR
PXT*/S*PXR配列は、多数の細胞周期依存性プロテインキナーゼ(cdks)のコンセンサスリン酸化部位を示す。このリン酸化モチーフを認識する抗体は、細胞周期進行の調節に重要な新規のcdk基質の同定に有用であろう。図4aに示すPXT*/S*PXRペプチドを、KLHにカップリングし、BALB/cマウスに注射した。フロイントアジュバントに乳化したホスホペプチド−KLH結合物(50μg)をIP注射した。完全フロイントアジュバント中の追加免疫注射(12.5〜25μg)を、応答が得られるまで3週間毎に行った。抗体力価を、免疫化ホスホペプチドライブラリーに対するELISAによって測定した。高力価応答を示すマウス由来の血清を、固定非ホスホThr/Serペプチドに吸着させ、非吸着画分をウェスタンブロットで試験した(データ示さず)。
アセチル化リジン特異的抗体
アセチル化リジンに対して特異的な反応性を示し、非アセチル化リジンに対して反応性を示さない抗体を、以下のアセチル化リジンペプチドライブラリーXXXXXXK*XXXXXXC(式中、K*はアセチル化されており、Xはシステイン以外の任意のアミノ酸を示し、Cはシステインである)の合成によって得た。アセチル化リジンペプチドライブラリーを、上記のように市販の完全に保護されたアセチル化リジンを用いる標準的なF−Moc固相ペプチド合成によって合成した。
Claims (1)
- 単離された抗体であって、
前記抗体は、ホスホトレオニン、ホスホセリン及びアセチル化リジンからなる群から選択される単一修飾アミノ酸に特異的に結合する単離された抗体の産生方法により産生され、
前記方法は、
(a)(i)ホスホトレオニン、ホスホセリン及びアセチル化リジンからなる群から選択される単一修飾アミノ酸及び(ii)該単一修飾アミノ酸の周囲の複数の可変アミノ酸、を含むペプチドライブラリーを構築する工程、
(b)非ヒト宿主を前記ペプチドライブラリーで免疫化する工程、及び
(c)前記宿主から抗血清を回収し、複数の異なるペプチドもしくは蛋白質中の、ホスホトレオニン、ホスホセリン及びアセチル化リジンからなる群から選択される単一修飾アミノ酸に特異的に結合する抗体を前記抗血清から精製する工程、
を含む、前記単離された抗体。
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| US09/148,712 US6441140B1 (en) | 1998-09-04 | 1998-09-04 | Production of motif-specific and context-independent antibodies using peptide libraries as antigens |
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| JP2005260207A Expired - Lifetime JP5013693B2 (ja) | 1998-09-04 | 2005-09-08 | 抗原としてペプチドライブラリーを用いたモチーフ特異性および状況独立性抗体の産生 |
| JP2012058996A Expired - Lifetime JP5648007B2 (ja) | 1998-09-04 | 2012-03-15 | 抗原としてペプチドライブラリーを用いたモチーフ特異性および状況独立性抗体の産生 |
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| JP2016113229A Pending JP2016210783A (ja) | 1998-09-04 | 2016-06-07 | 抗原としてペプチドライブラリーを用いたモチーフ特異性および状況独立性抗体の産生 |
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| JP2005260207A Expired - Lifetime JP5013693B2 (ja) | 1998-09-04 | 2005-09-08 | 抗原としてペプチドライブラリーを用いたモチーフ特異性および状況独立性抗体の産生 |
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| WO (1) | WO2000014536A1 (ja) |
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| CN116444677A (zh) * | 2023-06-09 | 2023-07-18 | 中国人民解放军军事科学院军事医学研究院 | 一种FoxM1蛋白Y575磷酸化的多克隆抗体及其制备方法和应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61227596A (ja) * | 1985-04-01 | 1986-10-09 | Fujisawa Pharmaceut Co Ltd | 抗リン酸化チロシンモノクロ−ナル抗体およびそれを産生するハイブリド−マ |
| EP0544942A1 (en) * | 1991-12-06 | 1993-06-09 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Novel tools for the diagnosis and treatment of Alzheimer disease |
| JPH05244987A (ja) * | 1992-02-28 | 1993-09-24 | Unitika Ltd | 抗硫酸化チロシン抗体,その製造方法及び抗硫酸化チロシンモノクローナル抗体を産生するハイブリドーマ |
| US5532167A (en) * | 1994-01-07 | 1996-07-02 | Beth Israel Hospital | Substrate specificity of protein kinases |
| US5679769A (en) * | 1994-03-15 | 1997-10-21 | Sloan-Kettering Institute For Cancer Research | Synthesis of asparagine-linked glycopeptides on a polymeric solid support |
| US6001580A (en) * | 1995-03-28 | 1999-12-14 | Takeda Chemical Industries, Inc. | Method for assaying ERK2 map kinase |
| US5759787A (en) * | 1996-08-26 | 1998-06-02 | Tularik Inc. | Kinase assay |
| FR2757864B1 (fr) | 1996-12-30 | 1999-03-19 | Centre Nat Rech Scient | Anticorps reconnaissant specifiquement une proteine nitrosylee, leur procede de preparation, leur utilisation therapeutique et diagnostique |
| US5965352A (en) * | 1998-05-08 | 1999-10-12 | Rosetta Inpharmatics, Inc. | Methods for identifying pathways of drug action |
| US6441140B1 (en) * | 1998-09-04 | 2002-08-27 | Cell Signaling Technology, Inc. | Production of motif-specific and context-independent antibodies using peptide libraries as antigens |
| US9919577B2 (en) | 2014-11-14 | 2018-03-20 | Hyundai Motor Company | Air-conditioning device for vehicle |
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|---|---|
| EP1850131A1 (en) | 2007-10-31 |
| WO2000014536A1 (en) | 2000-03-16 |
| JP2014132019A (ja) | 2014-07-17 |
| EP1110086B1 (en) | 2007-06-27 |
| JP2012162535A (ja) | 2012-08-30 |
| US20020132988A1 (en) | 2002-09-19 |
| JP2002524092A (ja) | 2002-08-06 |
| JP5013693B2 (ja) | 2012-08-29 |
| EP1850131B1 (en) | 2013-01-23 |
| JP2006036784A (ja) | 2006-02-09 |
| JP2016210783A (ja) | 2016-12-15 |
| CA2341143A1 (en) | 2000-03-16 |
| DE69936389T2 (de) | 2008-02-28 |
| US7344714B2 (en) | 2008-03-18 |
| EP2325204A3 (en) | 2011-10-26 |
| EP1110086A1 (en) | 2001-06-27 |
| JP3732408B2 (ja) | 2006-01-05 |
| US20020168684A1 (en) | 2002-11-14 |
| EP2325204A2 (en) | 2011-05-25 |
| EP2325204B1 (en) | 2014-08-13 |
| US6441140B1 (en) | 2002-08-27 |
| DE69936389D1 (de) | 2007-08-09 |
| EP1110086A4 (en) | 2003-08-27 |
| US6982318B1 (en) | 2006-01-03 |
| CA2341143C (en) | 2006-11-21 |
| US7259022B2 (en) | 2007-08-21 |
| US20030068652A1 (en) | 2003-04-10 |
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