JP7253553B2 - 起電性細胞における細胞内活動電位を記録するための方法および装置 - Google Patents
起電性細胞における細胞内活動電位を記録するための方法および装置 Download PDFInfo
- Publication number
- JP7253553B2 JP7253553B2 JP2020531952A JP2020531952A JP7253553B2 JP 7253553 B2 JP7253553 B2 JP 7253553B2 JP 2020531952 A JP2020531952 A JP 2020531952A JP 2020531952 A JP2020531952 A JP 2020531952A JP 7253553 B2 JP7253553 B2 JP 7253553B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- laser
- cells
- recording
- electrodes
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 45
- 230000036982 action potential Effects 0.000 title claims description 39
- 230000003834 intracellular effect Effects 0.000 title claims description 35
- 210000004027 cell Anatomy 0.000 claims description 50
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 34
- 230000003287 optical effect Effects 0.000 claims description 27
- 239000002086 nanomaterial Substances 0.000 claims description 24
- 230000005284 excitation Effects 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 17
- 210000000170 cell membrane Anatomy 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 13
- 230000004064 dysfunction Effects 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000004520 electroporation Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- 230000005672 electromagnetic field Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000638 stimulation Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000004413 cardiac myocyte Anatomy 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000012472 biological sample Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006143 cell culture medium Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 210000000805 cytoplasm Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000002064 heart cell Anatomy 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 210000002569 neuron Anatomy 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010067482 No adverse event Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 210000002390 cell membrane structure Anatomy 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007831 electrophysiology Effects 0.000 description 1
- 238000002001 electrophysiology Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002107 myocardial effect Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 102000042565 transient receptor (TC 1.A.4) family Human genes 0.000 description 1
- 108091053409 transient receptor (TC 1.A.4) family Proteins 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- 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
- G01N33/483—Physical analysis of biological material
- G01N33/4833—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures
- G01N33/4836—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures using multielectrode arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Medicinal Chemistry (AREA)
- Optics & Photonics (AREA)
- Food Science & Technology (AREA)
- Urology & Nephrology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Description
a)マルチ電極アレイ上の前記細胞を含むサンプルの位置決めを行う工程と;
b)サンプルのインキュベーション(110)または灌流(111)の工程と;
e)表面がサンプルと接する、アレイ電極の表面にレーザーを集束させる工程と;
f)サンプルの細胞の膜の局所的な機能不全を起こすため、1以上のアレイ電極に1以上のレーザーパルスを印加する工程と;
g)細胞内活動電位の記録の工程と;を含む。
Claims (11)
- オプトポレーションによって形成される細胞(4)の、細胞膜の気孔を通して、起電性細胞(4)における細胞内活動電位を記録するための方法であって、該方法は、
a)マルチ電極アレイ(2)上の前記細胞(4)を含むサンプルの位置決めを行う工程と、
b)前記サンプルのインキュベーション(110)または灌流(111)を行う工程と、
e)前記サンプルと接触する、前記マルチ電極アレイ(2)の電極(20)の表面にレーザーを集束させる(14)工程と、
f)前記サンプルの細胞(4)の膜の局所的な機能不全を起こすため、1以上の前記電極(20)に、1以上のレーザーパルスを印加する工程と、
g)細胞内活動電位を記録する工程と、を含み、
前記電極(20)の前記表面が空洞と突起をナノスケールで有する多孔質であることを特徴とし、ここで、レーザーによって作り出される電界が、前記サンプルの前記細胞(4)の膜の前記局所的な機能不全を起こすように、局地化されかつ増幅される、方法。 - 前記電極(20)が、少なくとも前記表面を構成する部分において、白金または金でできている、請求項1に記載の方法。
- 前記電極(20)の前記表面が、100と500nmとの間の範囲で厚さを増す多孔性を有する、請求項1または2に記載の方法。
- 前記電極の前記表面が、好ましくは10nmと300nmとの間の範囲にある入射光の波長より、小さいサイズの空間または気孔を備える材料を有する、請求項1-3のいずれか1項に記載の方法。
- 光学顕微鏡(3)の下の前記マルチ電極アレイ(2)の位置決め(12)工程を備え、この光学顕微鏡(3)は第1のレーザー励起光学経路および第2の光学画像取得経路を有する、請求項1-4のいずれか1項に記載の方法。
- 前記マルチ電極アレイ(2)全体からの細胞外活動電位の記録(13)の工程を備える、請求項1-5のいずれか1項に記載の方法。
- 前記電極(20)の前記表面が、突起を作成するために特別に正確に製造された三次元ナノ構造を持たない、請求項1-6のいずれか1項に記載の方法。
- 起電性細胞(4)において細胞内活動電位を記録するための装置であって、
前記細胞(4)を含むサンプルを支持するのに適したマルチ電極アレイ(2)と、
レーザーソース(32)と、
前記マルチ電極アレイ(2)の電極(20)の表面上のレーザー光線集束手段と、
前記サンプルの細胞(4)の膜の局所的機能不全をもたらすように前記マルチ電極アレイ(2)の1以上の前記電極(20)へ1以上のレーザーパルスを印加するためのレーザーソース駆動手段(32)と、
前記電極によって検知される細胞活動電位を記録するための手段と、を含み、
前記電極(20)の前記表面が多孔質であることを特徴とする、装置。 - 前記電極(20)が、少なくとも前記表面を構成する部分において、白金または金でできている、請求項8に記載の装置。
- 前記電極(20)の前記表面が、100と500nmとの間の範囲で厚さを増す多孔性を有する、請求項8または9に記載の装置。
- レーザーソース(32)、レーザービーム集束手段およびレーザーソース駆動手段が、光学顕微鏡(3)の一部であり、この光学顕微鏡(3)には、第1のレーザー励起光学経路(30)および第2の画像取得光学経路(31)を備えている、請求項8-10のいずれか1項に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT201700143666 | 2017-12-13 | ||
IT102017000143666 | 2017-12-13 | ||
PCT/IB2018/059936 WO2019116257A1 (en) | 2017-12-13 | 2018-12-12 | Method and device for recording intracellular action potentials in electrogenic cells |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021519573A JP2021519573A (ja) | 2021-08-12 |
JP7253553B2 true JP7253553B2 (ja) | 2023-04-06 |
Family
ID=61868648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020531952A Active JP7253553B2 (ja) | 2017-12-13 | 2018-12-12 | 起電性細胞における細胞内活動電位を記録するための方法および装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11624744B2 (ja) |
EP (1) | EP3724655B1 (ja) |
JP (1) | JP7253553B2 (ja) |
CN (1) | CN111656186B (ja) |
WO (1) | WO2019116257A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030111343A1 (en) | 2001-06-20 | 2003-06-19 | Hiroaki Oka | Extracellular recording electrode |
JP2016518117A (ja) | 2013-03-15 | 2016-06-23 | ユニバーシティ オブ ワシントン スルー イッツ センター フォー コマーシャリゼーション | 導電性細胞のためのマイクロ電極アレイを含むデバイスおよび方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW386888B (en) * | 1998-04-29 | 2000-04-11 | Lin Yi Chiuan | Fluid-sterilizing device using electrical potential difference |
DE19841337C1 (de) * | 1998-05-27 | 1999-09-23 | Micronas Intermetall Gmbh | Verfahren und Vorrichtung zur intrazellulären Manipulation einer biologischen Zelle |
DE19827957C2 (de) * | 1998-05-27 | 2000-06-29 | Micronas Intermetall Gmbh | Verfahren und Vorrichtung zur Messung einer Zustandsgröße |
JP4138672B2 (ja) * | 2003-03-27 | 2008-08-27 | セイコーエプソン株式会社 | 電気光学装置の製造方法 |
CA2513340A1 (en) * | 2004-08-25 | 2006-02-25 | F. Hoffmann-La Roche Ag | Reusable substrate for dna microarray production |
WO2006112870A1 (en) * | 2005-04-19 | 2006-10-26 | Excellin Life Sciences, Inc. | Device and method for controlled electroporation and molecular delivery in cells and tissue |
US9084546B2 (en) * | 2005-08-31 | 2015-07-21 | The Regents Of The University Of Michigan | Co-electrodeposited hydrogel-conducting polymer electrodes for biomedical applications |
US20170122928A1 (en) * | 2013-05-05 | 2017-05-04 | The Trustees Of Boston College | Coaxial electrode arrays and methods thereof |
US20170122938A1 (en) | 2015-10-30 | 2017-05-04 | City Of Hope | Nucleic acid-functionalized nanoparticles |
ITUB20159747A1 (it) * | 2015-12-30 | 2017-06-30 | Fondazione St Italiano Tecnologia | Metodo per l?opto-iniezione di materiale esogeno in una cellula ricevente. |
-
2018
- 2018-12-12 CN CN201880080332.1A patent/CN111656186B/zh active Active
- 2018-12-12 EP EP18833115.1A patent/EP3724655B1/en active Active
- 2018-12-12 JP JP2020531952A patent/JP7253553B2/ja active Active
- 2018-12-12 US US15/733,161 patent/US11624744B2/en active Active
- 2018-12-12 WO PCT/IB2018/059936 patent/WO2019116257A1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030111343A1 (en) | 2001-06-20 | 2003-06-19 | Hiroaki Oka | Extracellular recording electrode |
JP2016518117A (ja) | 2013-03-15 | 2016-06-23 | ユニバーシティ オブ ワシントン スルー イッツ センター フォー コマーシャリゼーション | 導電性細胞のためのマイクロ電極アレイを含むデバイスおよび方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3724655B1 (en) | 2023-08-30 |
CN111656186A (zh) | 2020-09-11 |
US11624744B2 (en) | 2023-04-11 |
EP3724655C0 (en) | 2023-08-30 |
CN111656186B (zh) | 2023-05-09 |
US20200355670A1 (en) | 2020-11-12 |
EP3724655A1 (en) | 2020-10-21 |
WO2019116257A1 (en) | 2019-06-20 |
JP2021519573A (ja) | 2021-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Sugio et al. | An agar-based on-chip neural-cell-cultivation system for stepwise control of network pattern generation during cultivation | |
US20150160120A1 (en) | Optical microscopy systems based on photoacoustic imaging | |
CN101319994A (zh) | 微细构造体及其制造方法、光电场增强器件 | |
Pas et al. | Neurospheres on patterned PEDOT: PSS microelectrode arrays enhance electrophysiology recordings | |
US20170296806A1 (en) | Nanopillar electrode devices and methods of recording action potentials | |
US20190391415A1 (en) | Thermally tunable low broadband waveguides and related systems and methods | |
Zhang et al. | Probing electrical signals in the retina via graphene-integrated microfluidic platforms | |
DE19757785A1 (de) | Verfahren und Vorrichtung zur Vermessung und Kalibrierung von Laser-Pinzetten | |
JP7253553B2 (ja) | 起電性細胞における細胞内活動電位を記録するための方法および装置 | |
CN110534880B (zh) | 单个纳米颗粒光散射电调控天线及制备、电调控的方法 | |
EP3405789B1 (en) | A high-resolution, nanomembrane-based, thermal diffusivity biosensor for living cells | |
EP3853606B1 (en) | Microfluidic device and methods for using said device | |
Liu et al. | Noncontact and nondestructive identification of neural circuits with a femtosecond laser | |
DE10203686A1 (de) | Verfahren zur Durchführung von elektrischen Messungen an biologischen Membrankörpern | |
Suzuki et al. | Constructive formation and connection of aligned micropatterned neural networks by stepwise photothermal etching during cultivation | |
US20240219702A1 (en) | Apparatus and system for particle manipulation | |
Choi et al. | Highly inclined electrodeposited metal lines using an excimer laser patterning technique | |
Cerea et al. | Coaxial-like three-dimensional nanoelectrodes for biological applications | |
Bran et al. | Polymeric scaffolds fabricated by two photon polymerization for 3D cancer cell invasion assay | |
Kai et al. | Insight on the regulation mechanism of the nanochannels in hard and brittle materials induced by sparially shaped femtosecond laser | |
KR101362076B1 (ko) | 주사 탐침 현미경을 이용하는 전기 천공법 및 전기 천공 장치 | |
Andolfi et al. | Photosensitive pattern to control geometry and activity of a neural network | |
Kojima et al. | Flexible control of electrode pattern on cultivation chamber during cultivation of cells using nondestructive optical etching | |
Yadav | Advancing three-dimensional electrophysiology: Development and evaluation of versatile platform for tailored 3D microelectrode array fabrication | |
Woodhams | Graphene Microelectrode Arrays to Combine Electrophysiology with Fluorescence Imaging of Amyloid Proteins |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201029 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210120 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210506 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211025 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220826 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220912 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230301 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230327 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7253553 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |