JP7028258B2 - タンパク質同定方法 - Google Patents
タンパク質同定方法 Download PDFInfo
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- JP7028258B2 JP7028258B2 JP2019565090A JP2019565090A JP7028258B2 JP 7028258 B2 JP7028258 B2 JP 7028258B2 JP 2019565090 A JP2019565090 A JP 2019565090A JP 2019565090 A JP2019565090 A JP 2019565090A JP 7028258 B2 JP7028258 B2 JP 7028258B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6803—General methods of protein analysis not limited to specific proteins or families of proteins
- G01N33/6848—Methods of protein analysis involving mass spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2458/00—Labels used in chemical analysis of biological material
- G01N2458/15—Non-radioactive isotope labels, e.g. for detection by mass spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2560/00—Chemical aspects of mass spectrometric analysis of biological material
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- Urology & Nephrology (AREA)
- Immunology (AREA)
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- Proteomics, Peptides & Aminoacids (AREA)
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Description
2 質量分析装置
21 イオン化室
22 質量分離部
23 衝突室
24 質量分離部
25 検出器
Claims (5)
- 複数種類のタンパク質を含む血液由来の対象試料に対して、タンパク質の断片化及びラベル化を行う第1前処理ステップと、
前記対象試料よりもタンパク質の量比の偏りが少ない複数種類のタンパク質を含む添加試料に対して、タンパク質の断片化及びラベル化を行う第2前処理ステップと、
前記第1前処理ステップが行われた後の対象試料に、前記第2前処理ステップが行われた後の添加試料を混合することにより、当該対象試料よりもタンパク質の量比の偏りが低減された混合試料を生成する混合ステップと、
前記混合試料に含まれる成分を液体クロマトグラフにより分離する分離ステップと、
分離された前記混合試料の各成分をイオン化し、そのイオン化された各成分の質量分析を行うことにより、MSスペクトルを測定するMS測定ステップと、
前記MSスペクトルに基づいて選択されるプリカーサイオンを開裂させて質量分析を行うことにより、MS/MSスペクトルを測定するMS/MS測定ステップと、
前記MS/MSスペクトルに基づいて対象試料に含まれるタンパク質を同定する同定ステップとを含むことを特徴とするタンパク質同定方法。 - 前記添加試料は、刺激を加えることによりタンパク質の量比を変化させた試料であることを特徴とする請求項1に記載のタンパク質同定方法。
- 前記添加試料は、細胞由来又は組織由来の試料であることを特徴とする請求項1又は2に記載のタンパク質同定方法。
- 前記対象試料が、血漿を含むことを特徴とする請求項1~3のいずれか一項に記載のタンパク質同定方法。
- 前記添加試料が、癌細胞に由来する試料を含むことを特徴とする請求項1~4のいずれか一項に記載のタンパク質同定方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/000180 WO2019138441A1 (ja) | 2018-01-09 | 2018-01-09 | タンパク質同定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019138441A1 JPWO2019138441A1 (ja) | 2020-11-19 |
JP7028258B2 true JP7028258B2 (ja) | 2022-03-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019565090A Active JP7028258B2 (ja) | 2018-01-09 | 2018-01-09 | タンパク質同定方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200355697A1 (ja) |
EP (1) | EP3739328A4 (ja) |
JP (1) | JP7028258B2 (ja) |
CN (1) | CN111587373A (ja) |
SG (1) | SG11202006629TA (ja) |
WO (1) | WO2019138441A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001159626A (ja) | 1999-12-01 | 2001-06-12 | Sekisui Chem Co Ltd | 液体クロマトグラフィー用充填剤およびそれを用いた測定方法 |
JP2005121380A (ja) | 2003-10-14 | 2005-05-12 | Sumitomo Pharmaceut Co Ltd | 蛋白質分析方法 |
JP2005522713A (ja) | 2002-04-15 | 2005-07-28 | サーモ フィニガン エルエルシー | 生物学的分子の定量 |
JP2006184290A5 (ja) | 2006-02-20 | 2006-10-12 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69912444T3 (de) | 1998-08-25 | 2010-05-06 | University Of Washington, Seattle | Schnelle quantitative analyse von proteinen oder proteinfunktionen in komplexen gemischen |
DE10158860B4 (de) * | 2001-11-30 | 2007-04-05 | Bruker Daltonik Gmbh | Massenspektrometrische Proteingemischanalyse |
JP2006300758A (ja) * | 2005-04-21 | 2006-11-02 | Apro Life Science Institute Inc | 内部標準ペプチドを用いて生体由来試料に含まれる標的タンパク質を定量する方法 |
WO2006133568A1 (en) * | 2005-06-16 | 2006-12-21 | Caprion Pharmaceuticals Inc. | Virtual mass spectrometry |
WO2007108140A1 (ja) * | 2006-03-22 | 2007-09-27 | Shimadzu Corporation | 電気泳動法及び質量分析法を用いるタンパク質試料の同定及び定量法 |
GB0809488D0 (en) * | 2008-05-23 | 2008-07-02 | Electrophoretics Ltd | Mass spectrometric analysis |
JP2010044064A (ja) * | 2008-07-18 | 2010-02-25 | Shizuoka Prefecture | 2d−lcms/ms・トータルスペクトラによるタンパク質プロファイリング法 |
JP6191486B2 (ja) | 2014-02-05 | 2017-09-06 | 株式会社島津製作所 | 質量分析装置及び質量分析方法 |
-
2018
- 2018-01-09 CN CN201880085568.4A patent/CN111587373A/zh not_active Withdrawn
- 2018-01-09 JP JP2019565090A patent/JP7028258B2/ja active Active
- 2018-01-09 EP EP18899287.9A patent/EP3739328A4/en not_active Withdrawn
- 2018-01-09 WO PCT/JP2018/000180 patent/WO2019138441A1/ja unknown
- 2018-01-09 SG SG11202006629TA patent/SG11202006629TA/en unknown
- 2018-01-09 US US16/960,765 patent/US20200355697A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001159626A (ja) | 1999-12-01 | 2001-06-12 | Sekisui Chem Co Ltd | 液体クロマトグラフィー用充填剤およびそれを用いた測定方法 |
JP2005522713A (ja) | 2002-04-15 | 2005-07-28 | サーモ フィニガン エルエルシー | 生物学的分子の定量 |
JP2005121380A (ja) | 2003-10-14 | 2005-05-12 | Sumitomo Pharmaceut Co Ltd | 蛋白質分析方法 |
JP2006184290A5 (ja) | 2006-02-20 | 2006-10-12 |
Non-Patent Citations (1)
Title |
---|
バイオ医薬品特性解析のための揮発性緩衝液を用いたSEC-MS,ThermoFisher SCIENTIFIC Application Note,2016年,https://assets.thermofisher.com/TFS-Assets/CMD/Application-Notes/HPLC051-JA.pdf |
Also Published As
Publication number | Publication date |
---|---|
EP3739328A4 (en) | 2021-10-20 |
EP3739328A1 (en) | 2020-11-18 |
US20200355697A1 (en) | 2020-11-12 |
WO2019138441A1 (ja) | 2019-07-18 |
SG11202006629TA (en) | 2020-08-28 |
JPWO2019138441A1 (ja) | 2020-11-19 |
CN111587373A (zh) | 2020-08-25 |
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