JP6518763B2 - 発光観察方法 - Google Patents
発光観察方法 Download PDFInfo
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- JP6518763B2 JP6518763B2 JP2017524236A JP2017524236A JP6518763B2 JP 6518763 B2 JP6518763 B2 JP 6518763B2 JP 2017524236 A JP2017524236 A JP 2017524236A JP 2017524236 A JP2017524236 A JP 2017524236A JP 6518763 B2 JP6518763 B2 JP 6518763B2
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- ZKAMEFMDQNTDFK-UHFFFAOYSA-N 1h-imidazo[4,5-b]pyrazine Chemical group C1=CN=C2NC=NC2=N1 ZKAMEFMDQNTDFK-UHFFFAOYSA-N 0.000 description 1
- IGXWBGJHJZYPQS-SSDOTTSWSA-N D-Luciferin Chemical compound OC(=O)[C@H]1CSC(C=2SC3=CC=C(O)C=C3N=2)=N1 IGXWBGJHJZYPQS-SSDOTTSWSA-N 0.000 description 1
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- 241000254158 Lampyridae Species 0.000 description 1
- 241000254064 Photinus pyralis Species 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/66—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving luciferase
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Plasma & Fusion (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
(1)発光スペクトルが外的要因によって変化する発光タンパク質を含む2つ以上の発光タンパク質を使用した観察、
(2)観察対象(例えば細胞)から同所的に発せられる発光シグナルが2つ以上の発光タンパク質から発せられる場合、
において、外的要因によらず定量性の高い発光観察方法を提供することを目的とする。
Claims (7)
- 第1の発光タンパク質の遺伝子を発現する観察細胞を含む生体試料と、基準量の前記第1の発光タンパク質を提示する基準物とから放射される発光を、それぞれ異なる波長帯域を有する2種類のフィルターを用いて撮影することで、2枚の波長帯域画像を取得することと、
前記2枚の波長帯域画像それぞれから、前記観察細胞からの発光量及び前記基準物からの発光量を定量することと、
前記定量した前記基準物からの2つの発光量を用いて補正定数を算出することと、
前記定量した前記観察細胞からの2つの発光量を、前記補正定数を用いて補正することと、
を含み、
前記補正定数は、前記2種類のフィルターの透過率に係わる逆行列により算出される発光観察方法。 - 前記観察細胞及び前記基準物に対して所定の刺激を与えて、前記観察細胞及び前記基準物において発光反応を生じさせることと、
前記2枚の波長帯域画像を経時的に複数回取得することと、
を更に含み、
前記発光反応を生じさせることは、前記複数回取得の内の第1回目の取得よりも時間的に前に行い、
前記定量することと、前記補正定数を算出することと、前記補正することと、を各回に取得した前記2枚の波長帯域画像毎に行う請求項1に記載の発光観察方法。 - 前記基準物は、前記観察細胞とは異なる細胞、液体及び固体の内の1つである請求項1に記載の発光観察方法。
- 前記観察細胞を撮影した際に1つの視野の中に前記観察細胞及び前記基準物と共に入るように、前記第1の発光タンパク質とは異なる第2の発光タンパク質を提示する第2の基準物を用意することを更に含む請求項1に記載の発光観察方法。
- 前記基準物は、前記第1の発光タンパク質を発現する第1の指標細胞であり、
前記第2の基準物は、前記第2の発光タンパク質を発現する第2の指標細胞である請求項4に記載の発光観察方法。 - 前記基準物は、前記第1の発光タンパク質に加えて、前記第1の発光タンパク質とは異なる第2の発光タンパク質を提示する請求項1に記載の発光観察方法。
- 前記基準物は、前記第1の発光タンパク質及び前記第2の発光タンパク質の局在が異なるように加工した指標細胞である請求項6に記載の発光観察方法。
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PCT/JP2015/067615 WO2016203617A1 (ja) | 2015-06-18 | 2015-06-18 | 発光観察方法 |
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JPWO2016203617A1 JPWO2016203617A1 (ja) | 2018-04-05 |
JP6518763B2 true JP6518763B2 (ja) | 2019-05-22 |
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JP (1) | JP6518763B2 (ja) |
WO (1) | WO2016203617A1 (ja) |
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WO2018216181A1 (ja) * | 2017-05-25 | 2018-11-29 | オリンパス株式会社 | 測定方法 |
JPWO2021235519A1 (ja) * | 2020-05-20 | 2021-11-25 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US4767206A (en) * | 1984-12-24 | 1988-08-30 | Flow Cytometry Standards Corporation | Calibration method for flow cytometry using fluorescent microbeads and synthesis thereof |
JP2912957B2 (ja) * | 1991-06-18 | 1999-06-28 | 東ソー株式会社 | 酵素活性測定方法及び装置 |
JP3716502B2 (ja) * | 1996-07-24 | 2005-11-16 | 東ソー株式会社 | 蛍光検出装置 |
JP4748719B2 (ja) * | 2006-03-02 | 2011-08-17 | 国立大学法人大阪大学 | 生細胞内の特定タンパク質の定量方法および標準蛍光マイクロビーズの作製方法 |
JP2007327928A (ja) * | 2006-06-09 | 2007-12-20 | Olympus Corp | 細胞周期弁別方法、その画像処理システム、及びそのプログラム |
JP2009156715A (ja) * | 2007-12-27 | 2009-07-16 | Panasonic Corp | 生体物質検出装置 |
JP6081226B2 (ja) * | 2013-02-27 | 2017-02-15 | オリンパス株式会社 | 発光量を補正する方法 |
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