WO2004101731A1 - 細胞分離装置 - Google Patents
細胞分離装置 Download PDFInfo
- Publication number
- WO2004101731A1 WO2004101731A1 PCT/JP2004/006299 JP2004006299W WO2004101731A1 WO 2004101731 A1 WO2004101731 A1 WO 2004101731A1 JP 2004006299 W JP2004006299 W JP 2004006299W WO 2004101731 A1 WO2004101731 A1 WO 2004101731A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell separation
- cell
- cells
- fluid
- separation space
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/04—Cell isolation or sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502761—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads, for physically stretching molecules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0415—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic
- B01L2400/0421—Moving fluids with specific forces or mechanical means specific forces electrical forces, e.g. electrokinetic electrophoretic flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/043—Moving fluids with specific forces or mechanical means specific forces magnetic forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0433—Moving fluids with specific forces or mechanical means specific forces vibrational forces
- B01L2400/0439—Moving fluids with specific forces or mechanical means specific forces vibrational forces ultrasonic vibrations, vibrating piezo elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/08—Regulating or influencing the flow resistance
- B01L2400/084—Passive control of flow resistance
- B01L2400/086—Passive control of flow resistance using baffles or other fixed flow obstructions
Definitions
- the present invention relates to a cell separation device (cell sorter).
- Conventional technology is a cell separation device (cell sorter).
- Separation and collection of specific cells in culture is an important technique in biological and medical analysis.
- the cell sorter isolates the cells after the fluorescent staining treatment into charged droplets one cell at a time and drops them.Based on the presence or absence of fluorescence of the cells in these droplets and the amount of light scattering, the cell sorter In the process of dropping, by applying a high electric field in any direction in the normal direction to the drop direction, the drop direction is controlled and fractionated into multiple containers placed below. (Kamarck, ME, Methods Enzymol. Vol. 151, pl50-165 (1987)).
- this technique is expensive, the equipment is large, a high electric field of several thousand volts is required, a large amount of sample is required, and the cell is prepared at the stage of creating droplets.
- the present inventors have utilized microphone opening processing technology to solve such problems.
- a cell analysis and separation device that can fractionate a sample based on the microstructure of the sample and the fluorescence distribution in the sample, and can easily analyze and separate the cell sample without damaging the sample to be recovered.
- the present invention provides a cell analysis / separation apparatus that does not damage a cell sample, prevents loss of an electrode for applying a voltage to separate cells, and does not cause clogging of a flow path when performing long-time separation.
- the purpose is to do.
- the cell separation device of the present invention provides a means for moving cells by applying external force to the cells from the outside in the cell separation space, and providing a flow path through which cells can be separated and discharged, to thereby damage the cell sample. To prevent the electrode from disappearing due to electrolysis. Furthermore, the cell separation device of the present invention may have a means for capturing impurities at an upstream portion of the flow path into which the fluid containing the sample to be introduced into the cell separation space is introduced to prevent clogging of the flow path. it can.
- the present invention provides a cell separation space, at least one flow path for injecting a fluid containing cells into the space, and at least two flow paths for discharging the fluid therefrom, and the outside of the cell separation space.
- a cell separation device comprising means for applying an external force to cells, wherein the flow paths are different from the cell separation space when an external force is externally applied to the cell separation space.
- a cell separation device arranged to be discharged to the cell.
- Means for applying the external force include an electrostatic force, a dielectrophoretic force, a magnetic force, an ultrasonic radiation pressure, a light radiation pressure, and the like. It is convenient to use the electrostatic force.
- an electrostatic force When an electrostatic force is used, it can be performed by applying an electric field to the cell separation space using a gel electrode containing an electrolyte.
- a general gel such as agarose gel, aminopectin, and collagen can be used.
- the voltage to be applied depends on the target cells, but it is preferable to set the voltage so that the cells can be separated by flowing the actual cells.
- the distance between the electrodes is 10 to 15 / using an agarose gel.
- white blood cells (about 5 m) can be separated at about 40 V.
- a filter may be further provided in the injection channel downstream of the injection point of the fluid containing cells and upstream of the cell separation space.
- the present invention also provides a cell separation space, at least one flow path for injecting a fluid containing cells into the space, and at least two flow paths for discharging the fluid therefrom, and the cell separation space from outside.
- a cell separation device comprising means for applying an external force to cells, wherein a filter is provided in the injection flow path downstream of an injection point of a fluid containing cells and upstream of a cell separation space, and these flow paths are used for cell separation.
- a cell separation device characterized in that cells are arranged to be discharged from the cell separation space to different flow paths when an external force is applied to the space and when no external force is applied to the space.
- the cell separation device has two flow paths for injecting a fluid into the cell separation space, and two flow paths for discharging the fluid from the cell separation space. 4.
- the cell separation device according to claim 1 wherein, when the external force is not applied, the fluid that has flowed into the cell separation space from one of the injection flow paths flows into almost one discharge flow path, and the other injection flow is performed.
- the flow path is arranged so that the fluid that has flowed into the cell separation space from the flow path almost flows to the other discharge flow path, and the fluid containing cells flows into only one of the injection flow paths. You may. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is a schematic view showing one example of the configuration of the cell sorter of the present invention.
- FIG. 2 is a schematic diagram showing an example of the configuration of the flow path of the cell sorter of the present invention.
- FIG. 3 is a schematic diagram showing an example of a configuration of a part of a filter of the cell sorter of the present invention.
- FIG. 4 is a micrograph showing an example of the configuration of the cell separation section of the cell sorter of the present invention.
- FIG. 5 is a schematic view showing one example of a cell sorting process of the cell sorter of the present invention.
- FIG. 6 shows a micrograph illustrating the cell separation procedure of the present invention. Arrows indicate cells.
- FIG. 1 schematically shows an example of the system configuration of the cell separation device (cell sorter) of the present invention.
- This cell sorter is configured as a flow path in the chip 101.
- a glass substrate 110 is attached to the bottom surface of the chip, and a microchannel is disposed immediately above the glass substrate.
- the thickness of the glass substrate should be as thin as possible for optical measurement.
- the thickness of the glass substrate is desirably 0.2 mm or less.
- a hole 102 for introducing a sample solution containing cells into the microphone channel On the upper surface of the chip 101, a hole 102 for introducing a sample solution containing cells into the microphone channel, a hole 103 for introducing a solution containing no cells, and a hole 10 for inserting an electrode into the gel electrode 4, 105, 106, 107, and holes 108, 109 for collecting the separated and purified cells, respectively.
- FIG. 2 schematically shows an example of the configuration of the flow path of the cell sorter described in FIG.
- the solution containing the cells introduced into the hole 201 passes through the microchannel 204 and is introduced into the cell separation unit 210.
- a filter portion 203 directly incorporated in the chip as a fine structure is disposed upstream of the micro flow channel 204.
- the solution containing no cells introduced into the hole 202 passes through the flow path 205 and is similarly introduced to the cell separation unit 210.
- Microphone mouth structures (spaces) 208 and 209 filled with a gel containing an electrolyte come into contact with the channel 204 side and the channel 205 side of the cell separation unit 210, respectively.
- an electric field can be applied to the cell separation unit 210 through the electrodes inserted into the holes 206 and 207.
- the flow is laminar, so that the cells flowing from the upstream of the flow path 204 do not receive the electric field, and the holes in the downstream cell reservoir 211 In addition, when receiving an electric field, it is guided to the hole 211 of the cell reservoir downstream.
- the flow speed of the solution should be controlled by, for example, the amount of the solution introduced into the holes 201, 202, 211, 212, that is, the difference in the height of the solution surface. Can be.
- the gel electrode is introduced into the microstructure of the cell sorter as in this embodiment, the alignment with the surface on which the metal electrode is deposited is aligned as in the case of the conventional metal electrode. No labor is required.
- Fig. 3a schematically shows an example of the structure of a part of the filter, which was incorporated as a microstructure directly into the chip in order to prevent the microchannel from being clogged as described in Fig. 2. is there.
- a part of this filter is directly embedded in the cell sorter chip with fine columnar structures 303 arranged periodically, and the cells 310 flowing from the upstream of the microchannel and the garbage 3 Of the particles 02, the dust 302 is captured by the columnar structure 303, thereby preventing the downstream microchannel from being clogged.
- Figure 3b is an optical microscope photograph of an example in which a filter is actually incorporated into the cell sorter chip. In this photo, the dust 305 is captured by the columnar structure 304 incorporated directly into the chip.
- the structure of this part of the filter is sufficiently wide relative to the width of the microchannel, so that even if dust is captured by the columnar structure, the flow of the channel is not obstructed.
- FIG. 4 is an optical microscope image showing the structure of the gel electrode incorporated in the cell sorter.
- Fig. 4a is an enlarged view of the cell separation part of the cell sorter.
- Gel electrodes 403 and 404 are arranged for the two microchannels 401 and 402, respectively.
- Fig. 4b shows the result of actually introducing a fluorescent dye into the gel electrode and observing it with a fluorescence microscope.
- the gel electrode is connected to the flow paths 401 and 402 by minute communication holes 405 and 406.
- l% (w / v) agarose was used as a gel electrode, and was used as an electrolyte in which sodium chloride sodium was dissolved in agarose.
- pH on the cathode side acidic (pH 6.0) and the pH on the anode side basic (pH 8.0) the generation of gas generated at the electrode can be suppressed. it can.
- FIG. 5 is a diagram schematically showing a process in which cells are sorted when an electric field is actually applied.
- an electric field is not applied as shown in FIG. 5a, in each of the flow paths 501 and 502, the cells flowing in the flow path 501 are left as they are in the flow path 501. It flows downstream.
- FIG. 5b when an electric field is applied, the cells flowing through the flow path 501 move to the flow path 502.
- FIG. 6 is a micrograph showing an example in which cells were actually passed through one of two flow paths in a cell sorter.
- the continuous photographs 1-3 in Fig. 6 show that an electric field is applied. When no cells are present, the cells flow from the upstream to the downstream in the same microchannel.
- 4 to 6 in Fig. 6 show that cells move to another flow channel when an electric field is applied.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- Cell Biology (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Dispersion Chemistry (AREA)
- Analytical Chemistry (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrostatic Separation (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Optical Measuring Cells (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04730647A EP1645621A4 (en) | 2003-05-19 | 2004-04-30 | APPARATUS FOR SEPARATING CELLS |
US10/543,867 US8703457B2 (en) | 2003-05-19 | 2004-04-30 | Cell separation apparatus |
JP2005506174A JP4420900B2 (ja) | 2003-05-19 | 2004-04-30 | 細胞分離装置 |
CA002514115A CA2514115A1 (en) | 2003-05-19 | 2004-04-30 | Cell separation apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003139774 | 2003-05-19 | ||
JP2003-139774 | 2003-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004101731A1 true WO2004101731A1 (ja) | 2004-11-25 |
Family
ID=33447361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006299 WO2004101731A1 (ja) | 2003-05-19 | 2004-04-30 | 細胞分離装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8703457B2 (ja) |
EP (1) | EP1645621A4 (ja) |
JP (1) | JP4420900B2 (ja) |
KR (1) | KR100700437B1 (ja) |
CN (1) | CN100347282C (ja) |
CA (1) | CA2514115A1 (ja) |
WO (1) | WO2004101731A1 (ja) |
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KR100594408B1 (ko) | 2004-12-17 | 2006-06-30 | 한국과학기술연구원 | 초음파장 및 진행파 유전영동을 이용한 세포 분리 장치 |
JP2006180810A (ja) * | 2004-12-28 | 2006-07-13 | Japan Science & Technology Agency | 細胞計測および分離チップ |
KR100746431B1 (ko) * | 2005-02-08 | 2007-08-03 | 도꾸리쯔교세이호징 가가꾸 기쥬쯔 신꼬 기꼬 | 셀 소터 칩 |
JP2007330201A (ja) * | 2006-06-16 | 2007-12-27 | Ab Size:Kk | 細胞分取用マイクロチップ及び細胞分取方法 |
KR100942364B1 (ko) | 2008-02-26 | 2010-02-12 | 광주과학기술원 | 미세 입자분리 장치 |
WO2010090279A1 (ja) | 2009-02-06 | 2010-08-12 | 株式会社オンチップ・バイオテクノロジーズ | 使い捨てチップ型フローセルとそれを用いたフローサイトメーター |
WO2011086990A1 (ja) | 2010-01-15 | 2011-07-21 | 株式会社オンチップ・バイオテクノロジーズ | 使い捨てチップ型フローセルとそれを用いたセルソーター |
JP2011257241A (ja) * | 2010-06-08 | 2011-12-22 | Kanagawa Acad Of Sci & Technol | 細胞分析装置 |
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US8703457B2 (en) | 2003-05-19 | 2014-04-22 | On-Chip Cellomics Consortium Co., Ltd. | Cell separation apparatus |
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WO2008153056A1 (ja) * | 2007-06-14 | 2008-12-18 | Mitsui Engineering & Shipbuilding Co., Ltd. | 細胞分別処理機能を有するフローサイトメータ、および生細胞分別処理方法 |
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EP1645621A4 (en) | 2003-05-19 | 2009-08-05 | Japan Science & Tech Corp | APPARATUS FOR SEPARATING CELLS |
-
2004
- 2004-04-30 EP EP04730647A patent/EP1645621A4/en not_active Withdrawn
- 2004-04-30 US US10/543,867 patent/US8703457B2/en not_active Expired - Fee Related
- 2004-04-30 CN CNB2004800071834A patent/CN100347282C/zh not_active Expired - Fee Related
- 2004-04-30 WO PCT/JP2004/006299 patent/WO2004101731A1/ja active Application Filing
- 2004-04-30 CA CA002514115A patent/CA2514115A1/en not_active Abandoned
- 2004-04-30 JP JP2005506174A patent/JP4420900B2/ja not_active Expired - Fee Related
- 2004-04-30 KR KR1020057014723A patent/KR100700437B1/ko not_active IP Right Cessation
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JP2001000178A (ja) * | 1999-06-23 | 2001-01-09 | Asahi Medical Co Ltd | 細胞分離方法及び細胞分離装置 |
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Title |
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See also references of EP1645621A4 * |
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JP2011257241A (ja) * | 2010-06-08 | 2011-12-22 | Kanagawa Acad Of Sci & Technol | 細胞分析装置 |
WO2013147114A1 (ja) | 2012-03-30 | 2013-10-03 | 公益財団法人神奈川科学技術アカデミー | イメージングセルソーター |
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Also Published As
Publication number | Publication date |
---|---|
CN100347282C (zh) | 2007-11-07 |
KR100700437B1 (ko) | 2007-03-28 |
JP4420900B2 (ja) | 2010-02-24 |
EP1645621A1 (en) | 2006-04-12 |
CA2514115A1 (en) | 2004-11-25 |
JPWO2004101731A1 (ja) | 2006-07-13 |
EP1645621A4 (en) | 2009-08-05 |
US20060141618A1 (en) | 2006-06-29 |
US8703457B2 (en) | 2014-04-22 |
KR20050100669A (ko) | 2005-10-19 |
CN1764715A (zh) | 2006-04-26 |
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