WO2005085857A1 - 固定化生体分子及び生体分子と相互作用し得る物質の検出法 - Google Patents
固定化生体分子及び生体分子と相互作用し得る物質の検出法 Download PDFInfo
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- WO2005085857A1 WO2005085857A1 PCT/JP2005/001882 JP2005001882W WO2005085857A1 WO 2005085857 A1 WO2005085857 A1 WO 2005085857A1 JP 2005001882 W JP2005001882 W JP 2005001882W WO 2005085857 A1 WO2005085857 A1 WO 2005085857A1
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- biomolecule
- carrier
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- protein
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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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54353—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals with ligand attached to the carrier via a chemical coupling agent
Definitions
- the present invention relates to the detection of a substance that can interact with a biomolecule using an immobilized biomolecule, and more particularly, to a method for detecting a substance that can interact with the biomolecule using an immobilized biomolecule. And a biomolecule and a biomolecule-immobilized substrate used in the method.
- Non-patent Document 1 a protein immobilization method
- the method (2) can overcome the drawback that the protein is peeled off from the substrate surface due to the formation of a covalent bond, but requires a harmful reagent such as a reducing agent when performing the fixing reaction. In addition, skilled operations are required to obtain reproducible data.
- the bond between gold and thiol is physical adsorption.
- the stability of the thiol group itself is poor, which makes it difficult to obtain reproducible quantitative data. ing.
- Non-Patent Document 1 a technique is known in which a nucleotide polymer or the like is bound to a nucleic acid, and the nucleic acid is bonded to a substrate for immobilization by ultraviolet irradiation or the like (Patent Document 1).
- Patent Document l Zhu, H. and Snyder, M. (2003) Protein chip technology. Curr. Opin.
- Patent Document 1 JP 2001-281246 A
- the present invention relates to a method for simply and efficiently immobilizing a biomolecule on a substrate, a method for detecting a substance capable of interacting with a biomolecule with high sensitivity, and a method for this method. It is an object to provide a biomolecule to be used and a biomolecule-immobilized base material.
- a biomolecule in which a polymer containing a compound having an unsaturated bond or a compound having a photoreactive group is bonded to the biomolecule is strongly immobilized.
- the present inventors have found that the present invention can improve the detection sensitivity of a substance capable of interacting with a biomolecule by using a biomolecule immobilized on a substrate in this way, and thus completed the present invention.
- the present invention is as follows.
- An immobilized biomolecule used in a method for detecting a substance capable of interacting with the biomolecule using the immobilized biomolecule (excluding nucleic acids), wherein the biomolecule is immobilized.
- a biomolecule to which a compound having a group capable of binding to a biomolecule-immobilizing substrate or a carrier on the substrate is bound.
- the compound having a group capable of binding to the biomolecule-immobilizing substrate or the carrier on the substrate is selected from a nitrene precursor, a carbene precursor, or a compound having a ketone group.
- the biomolecule according to (1) which is a compound having a group.
- a biomolecule-immobilized substrate comprising a biomolecule-immobilizing substrate and the biomolecule according to any one of (1) to (6) immobilized on the substrate.
- a method for producing a biomolecule-immobilized substrate which comprises contacting the biomolecule with the biomolecule according to any one of (1) and (6) and irradiating the contact portion with electromagnetic waves. .
- the present invention provides a biomolecule that can be stably immobilized on a substrate or a carrier on the substrate.
- a compound having a group capable of binding to a substrate or a carrier on a substrate to any biomolecule, it is possible to increase the amount of any biomolecule that can be immobilized on the substrate or a carrier on the substrate. Therefore, the detection sensitivity can be improved.
- the biomolecule of the present invention is a biomolecule to which a compound having a group capable of binding to a substrate for immobilizing a biomolecule or a carrier on the substrate is bound.
- Biomolecules include proteins, sugars, antigens, antibodies, peptides, enzymes and the like.
- a protein will be described as an example of a biomolecule.
- other substances are used.
- the present invention can be carried out by employing the methods and conditions usually used for fixing.
- the protein of the present invention can be used for ordinary immobilization (solid-phase immobilization) except that a compound having a group capable of binding to a substrate for immobilizing biomolecules or a carrier on the substrate is bonded. ) Interaction with proteins that are not particularly different from immobilized proteins used in methods for detecting substances that can interact with immobilized proteins using proteins (for example, Imnoassay etc.)
- the protein is not particularly limited as long as it is a protein capable of binding to a substance capable of binding, and examples thereof include a natural or synthetic protein.
- the size of the protein is not particularly limited as long as it can bind to a substance that can interact with the protein.
- the portion to which the compound having a group capable of binding on the substrate for immobilizing biomolecules or the carrier on the substrate binds is the amino or carboxy terminal of the protein, the side chain amino group, or the side chain.
- moieties such as a carboxyalkyl group, a side chain thiol group, and a side chain alcohol group.
- a known method can be used as a method for binding a compound having a group capable of binding to a substrate for immobilizing a biomolecule or a carrier on the substrate to a protein.
- Such methods include, for example, a method of binding the compound to the protein using a commercially available cross-linking reagent, and a method using a functional group of the protein and an atom, functional group, or structure reactive with the functional group. And reacting the compound with the compound to bind the compound to the protein.
- Examples of a method for binding a compound having a group capable of binding to a substrate for biomolecule immobilization or a carrier on the substrate to a protein using a cross-linking reagent include the following methods and the like.
- the target peptide is synthesized using a commercially available peptide synthesizer.
- a nucleotide force having a nucleobase such as adenine, cytosine, thymine, or peracil is also selected.
- an amino group is introduced using a commercially available amino group introduction reagent.
- the peptide and the nucleotide into which the amino group has been introduced are bound by a conventional method using a commercially available cross-linking reagent (eg, DSS (Disuccinimidyl suberate)).
- Examples of a method of binding a compound having a group capable of binding to a substrate for immobilizing a biomolecule or a carrier on the substrate to a saccharide include the following methods. After protecting the hydroxyl group at the 6-position of glucose with a trityl group, the remaining hydroxyl groups are acetylated, an azide group is introduced at the 6-position, and then converted to an amino group. Then, a large excess of DSS is added to the aminated glucose and purified.
- a polydoxyadenylic acid, a polydoxycytidylic acid, or a polydoxylated amino acid having a 5′-terminal or 3′-terminal amino group synthesized as described above is introduced.
- Nucleotides such as thymidylic acid and polydoxydidylic acid or composite polymers thereof are reacted with the succinimidyl group of the aminated glucose.
- Deacetylation is performed using sodium methoxide to synthesize polymer-introduced glucose.
- atoms, functional groups, or structures having reactivity with the functional groups of the protein include the following.
- the atom, functional group or structure that reacts with the amino group is included in the imide ester group, isohalocyanate group, succinimide ester, sulfonyl succinimide ester, etc., halogenated sulfol group, halogenated alkyl, etc.
- Halogen an isocyanate group, a halogenated alkyl group, a platinum complex, a carbodiimide group, an aldehyde group, an azide group, a cyano group contained in oxyimino-phenyl-acetonitrile, etc., contained in nitrogen pyridine, a dimethylthiopyrimidine, etc. Methylthio group, diester group contained in dicarbonate, etc .;
- the atoms, functional groups or structures that react with the carboxyl group include diazo groups contained in diazoalkanes and the like, halogens contained in alkyl halides and the like, sulfol groups contained in trifluoromethanesulfonate and the like, carbodiimide groups and hydrazines.
- Etc . hydrazino groups contained in phenacyl esters, etc., hydroxyl groups contained in 4-sulfo 2,3,5,6-tetrafluorophenol, alkyltrifluoromethanesulfonate, etc .; atoms reacting with thiol groups
- the functional group or structure include iodine contained in iodoacetamide, etc., imide group contained in maleimide, etc., halogen contained in alkylnolide, etc., aziridino group contained in aziridine, etc., epoxy group, symmetrical Disulfide groups contained in disulfide, etc. Burs in brosulfuric acid, bromine in bromopyruvic acid, etc .;
- Examples of the atom, functional group or structure that reacts with the alcohol group include 2-oxonitrile, acid chloride, and isocyanate group.
- Examples of a method for binding the compound to a protein by reacting a functional group of the protein with an atom, functional group, or structure having reactivity with the functional group include the following methods. After activating the carboxyl group in the protein using cesium carbonate, sodium, carbodiimide, chloride salt, or the like, the group capable of binding to the biomolecule-immobilizing substrate or the carrier on the substrate is removed. Halogen or amino groups in compounds Reaction according to the method.
- the protein of the present invention includes a compound having a group capable of binding to a substrate for immobilizing a biomolecule or a carrier on the substrate, that is, a polymer or a photoreaction containing a compound having an unsaturated bond.
- the amino acid to which the compound having a functional group is bound is immobilized on a substrate or a carrier on the substrate by previously irradiating an electromagnetic wave to be described later, and further, a Spot synthesis method (Heine N, Germeroth L, Schneider-Mergener J, Wenschuh H: A modular approach to the spot synthesis of 1,2,5-trisubstituted hybridizations on cellulose membranes.Tetrahedron Lett 2001, 42: 227-230.), Photolithography technology (Fodor SPA, Read JL) , Pirrung LC, Stryer L, Lu AT, Solas D: Light-directed, spatially addressable parallel chemical synthesis.Science 1991, 251: 767-773.) And Fmoc method (Hasegawa K, Sha YL, Bang JK, Kawakami T, Akaji K, Aimoto S:
- a group capable of binding on a substrate or a carrier on a substrate refers to a substrate or a group. There is no particular limitation as long as it is reactive with the carrier on the material and forms a strong bond such as a covalent bond.
- the group capable of binding to the carrier on the substrate or the substrate is one or more as long as the protein is sufficiently contained in the compound to be immobilized on the protein immobilizing substrate. There may be more than one.
- Examples of such a compound having a group capable of binding to a substrate for biomolecule immobilization or a carrier on the substrate include a polymer containing a compound having an unsaturated bond, a compound having a photoreactive group, and the like. And the like.
- the polymer containing a compound having an unsaturated bond refers to a polymer containing a compound in which at least one of the monomers constituting the polymer has an unsaturated bond.
- the compound having an unsaturated bond only needs to be sufficiently contained so that the protein is immobilized on the protein immobilization substrate. Further, all of the monomers constituting the polymer may be compounds having an unsaturated bond.
- "including a compound having an unsaturated bond” means that the compound consists of or contains a residue of a compound having an unsaturated bond.
- the average degree of polymerization is preferably from 2 to 1,000,000, more preferably from 5 to 100000, and particularly preferably from 7 to 1000! /.
- the average degree of polymerization is 1 or less, a sufficient amount of protein may not be immobilized on the carrier, and when the degree of polymerization is 1000001 or more, the target molecule may become a protein due to steric hindrance. Lack of access to quality may interfere with measurement.
- polymer examples include nucleotides having a base of acrylic acid or methacrylic acid, such as lanzanine, adenine derivative, cytosine, cytosine derivative, guanine, guanine derivative, thymine, thymine derivative, peracyl, peracyl derivative.
- Examples include a polymer containing a monomer selected from the group consisting of methylolpropanetetraaphthalate, dipentaerythritol pentaatalylate, and the like.
- the types of the above monomers in the polymer may be the same or different. Good.
- Preferred monomers are nucleotides, and particularly preferred monomers are nucleotides having adenine as a base, nucleotides having cytosine as a base, nucleotides having thymine as a base, and nucleotides having peracyl as a base.
- the photoreactive group means a group that generates a group having high reactivity with a substrate or a carrier on a substrate when irradiated with light.
- the compound having a photoreactive group may be a single molecule or a polymer containing a compound having a photoreactive group.
- the polymer containing a compound having a photoreactive group refers to a polymer containing a compound having a photoreactive group in at least one of the monomers constituting the polymer.
- the compound having a photoreactive group only needs to be sufficiently contained so that the protein is immobilized on the protein immobilizing substrate. Further, all of the monomers constituting the polymer may be compounds having a photoreactive group.
- the photoreactive group include a nitrene precursor, a carbene precursor, and a ketone group.
- the precursor means a group capable of generating active species such as nitrene and carbene.
- the compound having a photoreactive group contains one or more optional photoreactive groups among various photoreactive groups.
- Compounds having a photoreactive group include Specific examples include aryl ketones, azides and diazo conjugates.
- the compound having a group capable of binding to the biomolecule-immobilizing substrate or the carrier on the substrate may be immobilized such that the immobilized biomolecule can be sufficiently sterically approached to the target molecule.
- a spacer compound may be introduced in order to appropriately maintain the distance between the biomolecules and the substrate surface.
- the spacer compound has a non-photoreactive atom, a functional group, or a structure capable of binding to a compound having a group capable of binding to a biomolecule and a carrier on a photobiomolecule-immobilizing substrate or substrate.
- Compounds can be used.
- Examples of the compound having a non-photoreactive atom, a functional group or a structure include an alkyl group, a cycloalkyl group, a halogen, a hydroxy group, an ether group (including a thioether and a mouth ether group), an aldehyde group, and a carbonyl group.
- the compound having a group capable of binding to the substrate for immobilizing a biomolecule or the carrier on the substrate includes the above-described compound having a photoreactive group and the compound having an unsaturated bond. It may contain a polymer.
- the biomolecule of the present invention may further contain a compound having a group capable of binding on a substrate for immobilizing a biomolecule or a carrier on the substrate, and further include a derivative of deoxyguanosine and a derivative of vinylated deoxyguanosine.
- a derivative of deoxyguanosine and a derivative of vinylated deoxyguanosine Psoralen, and psoralen derivatives (4'5'-dihydropsoralen, 4,5'8-trimethylpsoralen, angelicin, etc.) It can also be fixed on a solid support three-dimensionally.
- the substrate used for the protein immobilization substrate of the present invention has reactivity with a compound having a group capable of binding to the protein immobilization substrate or the carrier on the substrate, and these compounds are chemically bonded.
- a compound having a group capable of binding to the protein immobilization substrate or the carrier on the substrate there is no particular limitation as long as it can immobilize the protein to which the compound is bound and can withstand conditions such as a method for detecting a substance that can interact with the immobilized protein using a normal immobilized protein. Not done. Specifically, it is insoluble in a solvent used for immobilizing a protein and detecting a substance capable of interacting with an immobilized protein and at a room temperature or in a temperature range around the room temperature (for example, 0 to 100 ° C.).
- the term “substrate is insoluble in a solvent” means that a carrier having a group having a binding property to a protein such as a carbodiimide group is supported on the substrate as described below, and the protein is immobilized in the next step.
- a carrier having a group having a binding property to a protein such as a carbodiimide group
- the protein is immobilized in the next step.
- it means that it is substantially insoluble in various solvents such as an aqueous solvent and an organic solvent used in each process when used as a protein chip or the like.
- Specific examples of the material of such a base material include plastic, inorganic polymer, metal, and ceramic.
- plastic examples include synthetic resins (thermoplastic resins, thermosetting resins, copolymers, etc.) and natural resins.
- thermoplastic resin examples include polycarboimide, ionomer (styrene and olefin), polynorbornene, polyacetal, polyarylate, polyetheretherketone, polyethylene oxide, polyoxymethylene, and polyethylene terephthalate.
- thermosetting plastic examples include epoxy, polyxylene, polyguanamine, polydiaryl phthalate, polybutyl ester, polyphenol, unsaturated polyester, polyfuran, polyimide, polyurethane, polymaleic acid, melamine, Urea, alkyd, benzoguanamine, polycyanate, polyisocyanate and the like can be mentioned.
- a copolymer may be used as the plastic. More specifically, as the copolymer, isobutylene maleic anhydride copolymer, acrylonitrile atalylate styrene copolymer, acrylonitrile EPDM styrene copolymer Copolymer, acrylonitrile styrene copolymer, acrylonitrile butadiene styrene copolymer, butadiene styrene methyl methacrylate copolymer, ethylene chloride butyl copolymer, ethylene vinyl acetate copolymer, ethylene ethyl acrylate copolymer, acrylonitrile butadiene styrene Copolymers, polyester ether ketone copolymers, fluoroethylene polypropylene copolymers, tetrafluoroethylene perfluoroalkylbutyl ether copolymers, tetra
- the natural fats include cellulose, rosin, koval, dammar, Canadian balsam, ellemi, sandalack, guttabel force, urushi, shrub, amberjack, carp fiber, leaf vein fiber, fruit Fiber, animal hair fiber, cocoon fiber, feather fiber, chitin, chitosan, asbestos, asbestos, and derivatives thereof.
- a dye, a color former, a plasticizer, a pigment, a polymerization inhibitor, a surface modifier, a stabilizer, an adhesion-imparting agent, a thermosetting agent, a dispersant, an ultraviolet ray deterioration inhibitor, and the like are added to the synthetic resin.
- Synthetic resins added as needed can be used.
- the synthetic resin may be a single synthetic resin in which different types of the synthetic resins may be laminated in order to maintain a shape.
- a polymer alloy in which two or more kinds of the synthetic resins are mixed may be used.
- the inorganic polymer include glass, quartz, carbon, silica gel, and dalaphite.
- metal preferably, I, II, III, IV, V, VI,
- Particularly preferred as the metal selected from the groups I, II, III, IV, V, VI, VII, VIII and transition elements of the second and seventh cycles of the periodic table are aluminum, titanium, Platinum, tungsten, molybdenum, gold, copper, nickel and the like can be mentioned.
- alloys include nickel silver (component: Cu, Ni, Zn), brass (component: Cu, Zn), bronze (component: Cu, Be), and monel (component: Cu, Ni). , Fe, Mn), nickel-cobalt alloy (composition: Ni, Co), nickel-chromium alloy (composition: Ni, Cr), cobalt alloy (composition: Co, Ni, Cr), stainless steel (composition: Ni, Cr, Fe), silver tungsten (component: Ag, W), b titanium (component: Ti, V, A1;), ab titanium (component: Ti, V, Al), NT alloy (component: Ti, Ni), aluminum alloy (Component: Al, Cu, Mg, Si, Mn, Zn), Duralumin (Component: Al, Cu, Si, Fe, Mn, Mg, Zn), Magnesium alloy (Component: Mg, Al, Zn), K24 (Component : Au), K18 (composition: Au, Ag, Cu), beryllium
- sendust components: Fe, Si, Al
- super sendust components:
- the metal may be deposited or plated (processed) with another metal. Further, the metal may be a single metal, which may be a stack of different types of the metal in order to maintain its shape.
- the base material may be composed of only metal, or may be laminated on a nonmetallic material by adhesion, vapor deposition, plating, or the like. Good.
- the ceramic include apatite, alumina, silica, silicon carbide, silicon nitride, and boron carbide.
- the shape of the base material is not particularly limited, but may be a foil (foil) shape, a flat plate (plate) shape, or a flake.
- ⁇ eno, filter, beads and the like. Further, it may be shaped like a microtiter plate. Furthermore, in order to facilitate the storage of the obtained results, a material (adhesive, etc.) that can be used for sealing the back surface of a flat plate or the like can be used as a seal by applying or coating. . There is no particular limitation on their size.
- the protein In immobilizing the protein on the substrate, the protein may be immobilized directly on the substrate, or the carrier may be supported on the substrate, and the protein may be immobilized on the substrate via the carrier. You may.
- the carrier those having a binding property to the above-described substrate for protein immobilization or a compound having a group capable of binding to the carrier on the substrate can be used.
- the term “support” refers to various solvents such as a water-soluble solvent and an organic solvent used when immobilizing a protein on a carrier or when using a protein immobilization substrate as a protein chip or the like. This means that the carrier is not substantially detached from the substrate.
- the carrier used in the present invention may be supported simply by using physical adhesiveness, as long as it is supported on the base material, or chemically via a covalent bond or the like. May be carried.
- the carrier may be supported on the entire surface of the substrate or on a part thereof as required.
- Examples of the carrier include low organic molecules, plastics, inorganic polymers, metals, and ceramics.
- organic low-molecular compound examples include polylysine, 3-aminotriethoxyaminosilane, and 3-aminotriethoxyaminosilane.
- Silane coupling agents having a primary amino group such as aminotrimethoxyaminosilane, imide group-containing conjugates such as maleimide and succinimide ester, carbodiimide group-containing conjugates, isocyanate group-containing compounds, and isothiocyanate group-containing compounds
- the compound include a nitrogen-conjugated compound, a nitrogen-containing compound, an aldehyde-containing compound, an amino-containing compound, a carboxyl-containing compound, and a halogen-containing compound.
- plastic examples include synthetic resins (thermoplastic resins, thermosetting resins, copolymers, etc.) and natural resins as described above as base materials.
- the inorganic polymer include glass, quartz, carbon, silica gel, and dalaphite.
- the metal preferably, as the base material, the group I, II, III, IV, V, VI, VII, VIII and transition element force of the second period to the seventh period of the periodic table as described above are selected. Metal or an alloy containing the same metal can be used.
- metal selected from the groups I, II, III, IV, V, VI, VII, VIII and transition elements of the second and seventh cycles of the periodic table are aluminum, titanium, Platinum, tungsten, molybdenum, gold, copper, nickel and the like can be mentioned.
- the ceramic include apatite, alumina, silica, silicon carbide, silicon nitride, and boron carbide.
- Such a carrier has high adhesiveness to the above-mentioned substrate, and is carried on the substrate using this adhesiveness.
- a typical form when the carrier is carried on a substrate utilizing physical adhesiveness is a film.
- a known method such as spraying, dipping, brushing, stamping, vapor deposition, coating using a film coater, or the like can be used.
- an amino-substituted organoalkoxysilane such as 3-aminopropyltriethoxysilane is added to an appropriate solvent.
- the glass substrate is immersed in the solution obtained by dissolving at a temperature of about 70-80 ° C for about 2-3 hours, taken out, washed with water, and further heated at about 100-120 ° C. Heat and dry for about 4-5 hours. After drying, soak in a suitable solvent It may be washed by stirring for about 12 hours at a temperature of about 30-170 ° C.
- the amino group of the 3-aminopropyltriethoxysilane is reacted with a functional group other than the protein binding group of the nitrogen pyridine group using a suitable solvent, and the surface of the glass substrate is treated with a nitrogen propyl group. You can also guide.
- the plastic substrates of the above-mentioned substrates there are also those having a functional group as described above already on the surface of the substrate.
- the functional group is introduced into the surface of the substrate. Without this, it can be used as it is for the production of the carrier. Further, even with such a plastic substrate, it is possible to introduce a further functional group and use it for the production of the above-mentioned carrier.
- a known photopolymerization initiator can be mixed with the material of the carrier or the base material.
- the photopolymerization initiator By mixing the photopolymerization initiator, the reactivity at the time of immobilizing proteins by irradiation of electromagnetic waves such as ultraviolet rays can be improved.
- a protein solution is spotted on a predetermined position of the carrier.
- the protein include the proteins described in 1> above without any particular limitation.
- the solvent for dissolving the protein is also not particularly limited, and may be distilled water or a buffer usually used for preparing a protein solution, for example, a Tris buffer or a PBS buffer (137 mM NaCl, 2.7 mM KC1, 1.5 mM KHPO3). , 8.1 mM Na HPO), aqueous solution containing phosphoric acid, aqueous solution containing salt
- a solvent containing a union selected from compounds containing a carboxyl group, a sulfo group, and a phosphor group, and a cation whose alkali metal ion, alkaline earth metal ion, and ionic force are also selected.
- a solvent containing the aion and a cation the protein can be more efficiently immobilized on the carrier using electromagnetic waves.
- a solvent containing the aion and a cation specifically, for example, a carboxylate Aqueous solution containing sodium salt (sodium taenoate, ammonium citrate, sodium acetate, etc.), aqueous solution containing sulfonate (sodium dodecyl sulfate, ammonium dodecyl sulfate, etc.), aqueous solution containing phosphonate (sodium phosphate, etc.) , Ammonium phosphate and the like).
- concentration of the protein solution is not particularly limited, it is usually 1 mmol / 1 to 1 foiol / 1, preferably 100 ⁇ mol / ⁇ 1 to 100 ftnol / ⁇ 1.
- Examples of the method of spotting the protein solution on the carrier include a method of dropping the protein solution on the carrier with a pipette, a method using a commercially available spotter, and the like.
- the shape and amount of the spot are not particularly limited as long as the position where the protein solution is spotted can be grasped, but the shape is preferably a dot or a circle.
- the preferred spot volume is lOnl-10ml.
- the protein solution is spotted on the carrier at one or more locations. One, two or more protein solutions may be spotted.
- the labeled protein may be immobilized as a positive control indicating that the protein is immobilized on the carrier.
- the protein solution After the protein solution is spotted on the carrier, it is irradiated with electromagnetic waves, preferably ultraviolet rays. Further, the protein solution can be dried after spotting and before irradiation with ultraviolet rays.
- the protein solution may be dried naturally or by heating and drying. The heating temperature is usually 30-100 ° C, preferably 35-45 ° C.
- the carrier When immobilizing a protein using a compound having an unsaturated bond, the carrier, at least the site of the carrier on which the protein is immobilized, is irradiated with ultraviolet light having a wavelength of 240 to 380 nm. Preferred examples are given. Specifically, ultraviolet light having a broad waveform including a wavelength of 254 nm or 335 nm may be used. Irradiation dose is usually 20- 2400 mJ / cm 2 as the accumulated irradiation amount is preferably 50- 900mJ / cm 2.
- the wavelength of the ultraviolet light and the amount of irradiation used for irradiating the carrier, at least the site where the protein of the carrier is immobilized, and the amount of photocrosslinking used are determined. It can be determined appropriately depending on the agent and the compound having Z or a photoreactive group.
- the protein immobilization substrate of the present invention has many opportunities to be brought into contact with a protein other than the above-mentioned immobilized protein when performing an analysis or the like using the protein immobilization substrate.
- the protein is added to the substrate or the carrier on the substrate in the form of dots as described above. After immobilization, it is preferable that an unreacted protein-immobilized portion is blocked by bringing an excess amount of serum albumin (BSA), casein or the like into contact with the substrate or the carrier on the substrate.
- BSA serum albumin
- the substance detected by the detection method using the protein immobilization substrate of the present invention may interact with the immobilization protein immobilized on the protein immobilization substrate.
- the term "interaction” refers to an action between molecules caused by a covalent bond, a hydrophobic bond, a hydrogen bond, a van der Waals bond, a bond due to static electricity, or the like between an immobilized protein and a substance, and is particularly limited. Not done.
- the protein-immobilized substrate of the present invention obtained in this manner is one in which the protein is very firmly supported on a carrier, and interacts with the immobilized protein using the immobilized protein. If analysis is performed using a method that cannot be desorbed even by a washing method (such as a washing method using a surfactant) that is widely used in a detection method for substances that can be used (for example, Imnoassay, etc.) Analysis with excellent reproducibility and quantification becomes possible.
- a washing method such as a washing method using a surfactant
- a detection method for substances that can be used for example, Imnoassay, etc.
- the protein immobilization substrate of the present invention can be applied to a protein chip (protein microarray) or the like with excellent performance.
- a peptide (7 residues) having the amino acid sequence shown in SEQ ID NO: 1 was synthesized using a peptide synthesizer. Further, a peptide (7 residues) obtained by phosphorylating the tyrosine shown in SEQ ID NO: 2 was also synthesized.
- peptide synthesis refer to Basics and Experiments of Peptide Synthesis (Maruzen Co., Ltd.).
- an oligonucleotide having an amino group introduced at the 5 ′ end of the oligonucleotide (10 residues) shown in SEQ ID NO: 3 was synthesized according to a conventional method.
- the peptide solution was spotted at a predetermined position on the carrier.
- the amount of each spot was 0.5 ⁇ l, and the size of the spot diameter was lmm.
- Uvstratalinker 2400 manufactured by Stratagene, center wavelength: 254 nm
- ultraviolet rays were irradiated at 600 mJ / cm 2 from a distance of 16 cm.
- the irradiation time was 240 seconds. Thereafter, the carrier was shaken in water for 30 minutes, washed and dried.
- a glass substrate treated with a polymer compound having a carbodiimide group was used as a carrier.
- a solution (1 ⁇ g / 100 ⁇ l antibody, 1 ⁇ PBS, 0.2% Tween 20, 1% BSA) containing a rhodamine-labeled anti-phosphoridin amino acid antibody was placed on the sample-fixed portion of the carrier, and Incubated for hours.
- a rhodamine-labeled anti-phosphoridin amino acid antibody is prepared by using rhodamine NHS (Molecular Probes) in 0.1 M NaHCO (pH 9) to convert rhodamine to an anti-phosphorylated amino acid antibody (Co).
- the protein solution was spotted at a predetermined position on a carrier on which gold was deposited on a glass plate.
- the spot amounts were 0.5 ⁇ l each, and the spot diameter was lmm in diameter.
- ultraviolet light having a center wavelength of 335 nm was irradiated using a CRM-FA Spectro Iradiator (manufactured by JASCO). At this time, the irradiation intensity was 1.5 mW / cm 2 and the irradiation time was 120 seconds. Thereafter, the carrier was shaken in water for 30 minutes, washed, and dried. On the other hand, irradiate UV rays as a control! / ⁇ ! ⁇ A carrier was also prepared.
- the signal was clear and specifically detected only in the spot containing Protein G on the carrier irradiated with ultraviolet light, indicating that the protein was securely immobilized. In the control (irradiation with ultraviolet rays, spots containing spots and spots containing BSA), fluorescence was not detected.
- peptide solution (lpmol / ⁇ 1) prepared in Example 1
- 0.1 ml of psoralen (200 g / ml) solution (200 g / ml) was mixed well, and the psoralen-containing peptide solution (peptidol) was added.
- Pide 0.5 ⁇ 1 / / ⁇ 1) was prepared.
- the peptide solution was spotted at a predetermined position on the glass carrier treated with the polymer compound having a carpoimide group. The amount of each spot was 0.5 ⁇ l, and the size of the spot diameter was lmm in diameter.
- a solution containing a peptide (aqueous solution of disodium taenoate) was similarly spotted on the carrier, and the operation of immobilization was performed as described above.
- a solution (1 ⁇ g / 100 ⁇ l antibody, 1 ⁇ PBS, 0.2% Tween 20, 1% BSA) containing a rhodamine-labeled anti-phosphoridion amino acid antibody was placed on the sample-fixed portion of the carrier, and Incubated for hours.
- a rhodamine-labeled anti-phosphoridin amino acid antibody is prepared by using rhodamine NHS (Molecular Probes) in 0.1 M NaHCO (pH 9) to convert rhodamine to an anti-phosphorylated amino acid antibody (Co).
- a peptide (8 residues) having the amino acid sequence shown in SEQ ID NO: 5 and a peptide (8 residues) obtained by phosphorylating serine shown in SEQ ID NO: 6 were synthesized.
- the N-terminals of these peptides were acetylated on a solid support (2-chlorotrityl chloride resin) according to a conventional method.
- These peptides still having the side chain protecting groups [BOC (t-butoxycarbonyl) group and t-Bu (t-butyl) group] were added to an acetic acid: trofluoroethanol: dichloromethane solution (1: 2: 7 vol. / vol) to separate the force on the solid support.
- peptides were prepared by adding 1,3-diisopropylcarbodiimide, 1-hydroxybenzotriazole, ⁇ , ⁇ -diisopropylethylamine and 4-dimethylaminopyridine in the DMF to the C-terminal of the peptide according to a conventional method. Oligonucleotides having an amino group introduced at the 5 ′ end of the polythymine derivative shown in 4 were introduced.
- the protecting group of the peptide was deprotected using a trifluoroacetic acid: water: diethanedithiol: thioanol: phenol solution (10 ml: 0.5 ml: 0.25 ml: 0.5 ml: 0.75 g), and a NAP5 column (Amersham) Bioscience) (purified and concentrated to 50 mM
- the peptide solution (lpmol / ⁇ 1) was prepared by dissolving in a phosphoric acid aqueous solution (pH 8.5).
- the peptide solution was spotted at a predetermined position on a glass carrier treated with a polymer compound having a carpoimide group.
- the spot amounts were 0.51 and the spot diameter was lmm in diameter.
- ultraviolet light having a center wavelength of 335 nm was irradiated using a CRM-FA Spectro Iradiator (manufactured by JASCO).
- the irradiation intensity was 1.5 mW / cm 2
- the irradiation time was 120 seconds.
- the irradiation time was 60 seconds.
- the carrier was shaken in water for 30 minutes, washed and dried.
- a carrier that was not irradiated with ultraviolet light was also prepared as a control.
- Rhodamine-labeled anti-phosphoridamide amino acid antibody 1 ⁇ g / 100 ⁇ l antibody, 1 ⁇ PBS, 0.2% Tween 20, 1% BSA) ) And incubated for 5 hours.
- Rhodamine-labeled anti-phosphoridin amino acid antibody is prepared by using rhodamine NHS (manufactured by Molecular Probes) in 0.1 M NaHCO (pH 9).
- the peptide solution (lpmol / ⁇ 1) prepared in Example 4 was spotted at a predetermined position on a glass substrate (manufactured by Telechem International) treated with aminosilane. The spot amounts were 0.5 ⁇ l each, and the spot diameter was lmm in diameter.
- ultraviolet light having a center wavelength of 335 nm was irradiated using a CRM-FA Spectro Iradiator (manufactured by JASCO). At this time, the irradiation intensity was 1.5 mW / cm 2 and the irradiation time was 120 seconds. Thereafter, the carrier was shaken in water for 30 minutes, washed, and dried. On the other hand, irradiate UV rays as a control!
- a carrier was also prepared.
- Rhodamine-labeled anti-phosphoridin amino acid antibody is prepared by using rhodamine NHS (manufactured by Molecular Probes) in 0.1 M NaHCO (pH 9).
- 4-Benzylbenzoic acid power 4-Benzylbenzoic acid chloride was synthesized by a conventional method. 4-Benzylbenzoic acid chloride (30 g) was dissolved in chloroform (500 ml), 6-aminohexanoic acid solution (17 g / 400 ml IN NaOH) was added dropwise at 0 ° C, and the mixture was stirred at room temperature for 60 minutes. did. 12N HCl (40 ml) was added to the reaction mixture, and the organic solvent layer was extracted. The organic solvent layer was concentrated under reduced pressure and dried.
- a peptide (8 residues) having the amino acid sequence shown in SEQ ID NO: 5 was synthesized using a peptide synthesizer. Further, a peptide (8 residues) obtained by phosphorylating serine represented by SEQ ID NO: 6 was also synthesized. Next, 1 M sodium bicarbonate buffer (pH 9.0) (0.5 ml) was added to the peptide (10 ol) and dissolved therein, and N-succinimidyl 6- (4-benzoylbenzamide) dissolved in DMF was dissolved. Hexanoate (lOOnmol) was added and stirred at room temperature for 18 hours.
- the peptide solution (lpmol / ⁇ 1) was prepared by dissolving in an aqueous acid solution (pH 8.5).
- the peptide solution was spotted at a predetermined position on a commercially available polypropylene carrier (polypropylene plate: manufactured by Takiron).
- the spot amounts were 0.5 ⁇ l each, and the spot diameter was lmm in diameter.
- ultraviolet light having a center wavelength of 335 nm was irradiated using a CRM-FA Spectro Iradiator (manufactured by JASCO). At this time, the irradiation intensity was 1.5 mW / cm 2 , and the irradiation time was 120 seconds. Thereafter, the carrier was shaken in water for 30 minutes, washed, and dried. As a control, a carrier not irradiated with ultraviolet rays was also prepared.
- Rhodamine-labeled anti-phosphoridamide amino acid antibody 1 ⁇ g / 100 ⁇ l antibody, 1 ⁇ PBS, 0.2% Tween 20, 1% BSA was added to the peptide-fixed portion of the peptide-fixed carrier. ) And incubated for 5 hours.
- Rhodamine-labeled anti-phosphoridin amino acid antibody is prepared by using rhodamine NHS (manufactured by Molecular Probes) in 0.1 M NaHCO (pH 9).
- N-succinimidyl 6 prepared in Example 6 was prepared by adding 1 M sodium bicarbonate buffer (pH 9.0) (1 ml) to 500 g of Protein G (Funakoshi) and BSA (Sigma-Aldrich). -(4-Benzoylbenzamide) hexane solution (100 nmol) in DMF was added and stirred at room temperature for 18 hours. Next, the protein was purified and concentrated using a NAP5 column (manufactured by Amersham Neuroscience), and dissolved in a 50 mM phosphoric acid aqueous solution (pH 8.5) to prepare a protein solution (30 g / ml).
- the obtained protein was spotted at a predetermined position on a commercially available polycarbonate carrier (general polycarbonate plate: manufactured by Takiron). The spot amounts were 0.51 and the spot diameter was lmm in diameter.
- a CRM-FA Spectro Iradiator OASCO ultraviolet rays having a center wavelength of 335 ⁇ were irradiated. At this time, the irradiation intensity was 1.5 mW / cm 2 , and the irradiation time was 120 seconds. Thereafter, the carrier was shaken in water for 30 minutes, washed, and dried. As a control, a carrier not irradiated with ultraviolet rays was also prepared.
- TritonX-100 TritonX-100 was placed and incubated for 5 hours. Next, the protein-immobilized support was washed with 1 ⁇ PBS-0.2% TritonX-100 solution, and the fluorescence was measured using ScanArray 4000 (manufactured by GSI).
- Oligonucleotide (10 bases) having an amino group introduced at the 5 'end of a polymer composed of aminoethyl- ⁇ D-galactopyranoside (manufactured by Mitani Sangyo Co., Ltd.) and deoxythymidylic acid and deoxycytidylic acid shown in SEQ ID NO: 7
- 2-fold molar DSS (manufactured by Pierce) was prepared and incubated at 42 ° C for 5 hours. Then, it was purified using reverse-phase HPLC (Waters, ⁇ Bondaspphere, C8 300A, 3.9 ⁇ 150), concentrated, dissolved in a 45 mM aqueous diammonium citrate solution, and dissolved in a sugar solution (1 pmol / ⁇ 1). was prepared.
- the sugar solution and the buffer solution were spotted at predetermined positions on a flat-bottomed 96-well polystyrene microtiter plate (manufactured by TechJam Co., Ltd.). spot The amounts were 0.5 ⁇ l each and the size of the spot diameter was lmm in diameter.
- Uvstratalinker 2400 manufactured by Stratagene, center wavelength: 254 nm
- ultraviolet rays were irradiated from a distance of 16 cm to 80 mJ / cm 2 .
- the irradiation time was 30 seconds.
- the carrier was shaken in water for 30 minutes, washed, and dried.
- a carrier that was not irradiated with ultraviolet light was also prepared as a control.
- FITC-labeled lectin from Sophora japonica
- a solution containing the FITC-labeled lectin was placed on the sugar-immobilized portion of the carrier, and incubated at room temperature for 12 hours.
- the sugar-immobilized carrier was washed with sterilized water, and the fluorescence was measured using FLA 5000 (manufactured by Fuji Photo Film Co., Ltd.).
- the signal was clearly, vigorously, and specifically detected only in the spot containing galactose on the carrier irradiated with ultraviolet light, indicating that the sugar was securely immobilized. Further, the control (spot not irradiated with ultraviolet rays) was capable of detecting only the fluorescence intensity of the same intensity as the knock ground noise (buffer solution).
- a peptide (6 residues) having the amino acid sequence shown in SEQ ID NO: 8 was synthesized using a peptide synthesizer.
- the synthetic peptide and the oligonucleotide (10 bases) having the amino group introduced at the 5 ′ end of the oligonucleotide (SEQ ID NO: 7) were dissolved in equimolar amounts in 0.1 M sodium bicarbonate buffer (pH 8.0) and dissolved in DMF. Twice molar DSS (Pierce) was added and incubated at 37 ° C for 2 hours.
- the peptide solution was purified using reverse-phase HPLC (Waters, ⁇ Bondaspphere, C8 300A, 3.9 ⁇ 150), concentrated, dissolved in a 45 mM diammonium citrate aqueous solution, and dissolved in a peptide solution (5 pmol / ⁇ 1). Was prepared.
- the peptide solution was spotted on a 3D-Link TM Activated Slide (manufactured by Surmodics) having a polyacrylamide on the slide surface.
- the spot diameter was 0.3 mm.
- Uvstratalinker 2400 (Stratagene And a center wavelength of 254 nm), and was irradiated with ultraviolet rays at a distance of 16 cm and 60 mj / cm 2 .
- the irradiation time was 24 seconds.
- the carrier was shaken in water for 30 minutes, washed, and dried.
- a solution containing no peptide aqueous solution of disodium taenoate
- T src kinase manufactured by Upstate [2 U / 50 ⁇ l enzyme, 25 mM Tris (pH 7.4), 15 mM MgCl, 7 mM
- sample-immobilized carrier was washed with 1X PBS-0.2% Tween 20 solution and labeled with FITC.
- a buffer containing anti-phosphotyrosine (Sigma-Aldrich) (1 ⁇ g / 100 ⁇ l antibody, IX PBS, 0.2% Tween 20, 1% BSA) is placed on the peptide-immobilized part of the peptide-immobilized carrier and incubated for 2 hours did.
- the peptide-immobilized carrier was washed with 1 ⁇ PBS-0.2% Tween 20 solution, and the fluorescence was measured using FLA5000 (manufactured by Fuji Photo Film Co., Ltd.).
- tyrosine p6 T src kinase-free buffer [25 mM Tris (pH 7.4), 15 mM MgCl, 7 mM MnCl, 0.5 mM EGTA, 100 ⁇ M ATP] was placed, and incubated for 5 hours.
- a peptide-immobilized carrier which was incubated for 2 hours using the FITC-labeled anti-phosphotyrosine was also prepared.
- the peptide solution (5 pmol / ⁇ 1) prepared in Example 9 was spotted on a FAST Slide (Schleicher & Schuell) having trocellulose on the slide surface. .
- the spot diameter was 0.4 mm in diameter.
- Uvstratalinker Ultraviolet rays were irradiated from a distance of 16 cm to 120 mj / cm 2 using 2400 (Stratagene, center wavelength: 254 nm). The irradiation time was 48 seconds. Thereafter, the carrier was shaken in a 3% BSA solution for 30 minutes, washed, and dried.
- a solution containing no peptide aqueous solution of disodium taenoate
- T src kinase manufactured by Upstate [2 U / 50 ⁇ l enzyme, 25 mM Tris (pH 7.4), 15 mM MgCl 2, 7 mM
- the above peptide-immobilized carrier was washed with 1 ⁇ PBS-0.2% Tween 20 solution, and a buffer containing FITC-labeled anti-phosphotyrosine (manufactured by Sigma-Aldrich) (1 ⁇ g / 100 ⁇ 1 antibody, IX PBS, 0.2% Tween 20) was used. , 1% BSA) was placed on the sample-immobilized portion of the peptide-immobilized carrier, and incubated for 2 hours. Next, the peptide-immobilized carrier was washed with 1 ⁇ PBS-0.2% Tween 20 solution, and the fluorescence was measured using FLA5000 (manufactured by Fuji Photo Film Co., Ltd.).
- tyrosine p6 (a buffer not containing T src kinase [25 mM Tris (pH 7.4), 15 mM MgCl, 7 mM MnCl, 0.5 mM EGTA, 100 ⁇ M ATP] was placed, and incubated for 5 hours.
- a peptide-immobilized carrier which was incubated for 2 hours using the FITC-labeled anti-phosphotyrosine was also prepared.
- a slide having an acrylamide gel on the slide surface was prepared by the method of Nallur et al. [Nallur G, Luo, rang L, oolev S, Dave V, Lambert J, Kukanskis K, Kingsmore 3 ⁇ 4, Lasken R, Prepared according to Schweitzer B. (2001 Signal amplification by rolling circle amplification on DNA microarrays.
- T src kinase manufactured by Upstate
- T src kinase manufactured by Upstate
- the peptide-immobilized carrier was washed with a 1 ⁇ PBS-0.2% Tween 20 solution, and a buffer containing FITC-labeled anti-phosphotyrosine (manufactured by Sigma-Aldrich) (1 ⁇ g / 100 ⁇ 1 antibody, IX PBS, 0.2% Tween 20) was used. , 1% BSA) was placed on the sample-immobilized portion of the peptide-immobilized carrier, and incubated for 2 hours. Next, the peptide-immobilized carrier was washed with 1 ⁇ PBS-0.2% Tween 20 solution, and the fluorescence was measured using FLA5000 (manufactured by Fuji Photo Film Co., Ltd.).
- tyrosine p6 (T src kinase-free buffer [25 mM Tris (pH 7.4), 15 mM MgCl, 7 mM MnCl, 0.5 mM EGTA, 100 ⁇ M ATP]) is placed, and incubated for 5 hours.
- a peptide-immobilized carrier which was incubated for 2 hours using the FITC-labeled anti-phosphotyrosine was also prepared.
- Tyrosine p60 e The signal was clearly and specifically detected only in the spot containing the peptide on the carrier incubated with the buffer containing src kinase, so the peptide was reliably immobilized and specific. It was shown that various enzyme reactions could be detected. In the control (tyrosine p6 (containing no T src kinase! /, Peptide spot on the carrier incubated with the buffer and spot containing no peptide), fluorescence was not detected.
- Example 12 [0121] ⁇ Immobilization of peptide on polylysine carrier, evaluation of peptide-immobilized carrier by enzymatic reaction>
- a peptide (6 residues) having the amino acid sequence shown in SEQ ID NO: 8 was synthesized using a peptide synthesizer.
- the synthetic peptide and the oligonucleotide (20 bases) shown in SEQ ID NO: 9 in which an amino group was introduced at the 5 ′ end were dissolved in equimolar amounts in 0.1 M sodium bicarbonate buffer (pH 8.0) and dissolved in DMF. Twice molar DSS (Pierce) was added and incubated at 37 ° C for 2 hours.
- the peptide was purified using reverse phase HPLC (Waters, ⁇ Bondaspphere, C8 300A, 3.9 ⁇ 150), concentrated, dissolved in a 45 mM aqueous solution of diammonium-dumene, and dissolved in a peptide solution (10 pmol / ⁇ 1). Was prepared.
- the peptide solution was spotted on a slide having polylysine on the slide surface using SP-BIO (Hitachi). The spot diameter was 0.3 mm in diameter. Then, using Uvstratalinker 2400 (manufactured by Stratagene, center wavelength: 254 nm), ultraviolet rays were irradiated at 240 mj / cm 2 from a distance of 16 cm. The irradiation time was 96 seconds. Thereafter, the carrier was shaken in a 1% BSA solution for 30 minutes, washed and dried. On the other hand, as a control, a solution containing no peptide (aqueous solution of disodium taenoate) was similarly spotted on the carrier, and the immobilization operation was performed as described above.
- T src kinase manufactured by Upstate
- T src kinase manufactured by Upstate
- a buffer (1 ⁇ g / 100 ⁇ l antibody, IX PBS, 0.2% Tween 20, 1% BSA) containing anti-phosphotyrosine (manufactured by Sigma-Aldrich) is placed on the sample-fixed portion of the peptide-immobilized carrier, and incubated for 2 hours. did.
- the peptide-immobilized carrier was washed with 1 ⁇ PBS-0.2% Tween 20 solution, and the fluorescence was measured using FLA5000 (manufactured by Fuji Photo Film Co., Ltd.).
- tyrosine p6 T src kinase-free buffer [25 mM Tris (pH 7.4), 15 mM MgCl, 7 mM MnCl, 0.5 mM EGTA, 100 ⁇ M ATP] was placed, and incubated for 5 hours.
- the peptide solid was incubated for 2 hours using the FITC-labeled anti-phosphotyrosine.
- An immobilized carrier was also prepared.
- a peptide (Ala-Ala: 2 residues) to which the polynucleotide shown in SEQ ID NO: 10 was bound was prepared, and was treated with a polymer compound having a carbodiimide group on a glass substrate.
- a polymer compound having a carbodiimide group on a glass substrate.
- the sample-fixed portion of the glass substrate was treated with a 2% acetic anhydride / DMF solution to acetylate the N-terminal of the synthesized peptide, and further, 3% triisobutylsilane and 2% water were added.
- the sample-immobilized portion of the glass substrate was treated at room temperature for 2 hours using a dichloromethane / trifluoroacetic acid (1: 1) solution containing the mixture to carry out a deprotection reaction of the peptide side chain.
- a peptide to which the polynucleotide was bound was used as the glass substrate. After fixing on a plate, a sample in which the elongation reaction was not performed was also prepared.
- Cy3-labeled anti-angiotensin I antibody was placed on the sample-fixed part of the above carrier, and left for 2 hours. Incubated. Cy3-labeled anti-angiotensin I antibody can be obtained by using Cy3-NHS (GE Healthcare) in 0.1 M NaHCO (pH 9) to convert Cy3 to anti-angiotensin I antibody (purchased from Cosmo Bio).
- the protein-immobilized substrate of the present invention is a protein effective for use as a protein chip or the like having excellent reproducibility and quantification. It can be a fixed base material.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CA002558271A CA2558271A1 (en) | 2004-03-05 | 2005-02-09 | Immobilized biomolecule and method of detecting substance capable of interacting with biomolecule |
EP05709934A EP1722228A1 (en) | 2004-03-05 | 2005-02-09 | Immobilized biomolecule and method of detecting substance capable of interacting with biomolecule |
US10/591,720 US20070154945A1 (en) | 2001-03-05 | 2005-02-09 | Immobilized biomolecule and method of detecting substance capable of interacting with biomolecule |
JP2006510625A JPWO2005085857A1 (ja) | 2004-03-05 | 2005-02-09 | 固定化生体分子及び生体分子と相互作用し得る物質の検出法 |
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JP2004061798 | 2004-03-05 | ||
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JP2004-319087 | 2004-11-02 | ||
JP2004319087 | 2004-11-02 |
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US (1) | US20070154945A1 (ja) |
EP (1) | EP1722228A1 (ja) |
JP (1) | JPWO2005085857A1 (ja) |
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JP2006329686A (ja) * | 2005-05-24 | 2006-12-07 | Hipep Laboratories | バイオチップ用基板及びバイオチップ |
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WO2010064437A1 (ja) | 2008-12-03 | 2010-06-10 | 株式会社カネカ | ホルミル基含有多孔質担体、それを用いた吸着体、およびそれらの製造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0829428A (ja) * | 1994-07-11 | 1996-02-02 | Masashi Funayama | 光化学反応による、白血球分化抗原に対するモノクローナル抗体の担体への共有結合方法と、その担体を用いた細胞の分画定量方法、およびLymphokine Activated Killer cellの誘導方法。 |
JPH10512664A (ja) * | 1994-03-11 | 1998-12-02 | マルティライト リミティド | 尾部を有する結合剤を用いる結合アッセイ |
JP3124037B2 (ja) * | 1995-04-07 | 2001-01-15 | ヤコブセン,モーゲンス,ハブステーン | キノン類を用いて配位子の光化学的固定方法 |
JP2003535317A (ja) * | 2000-05-01 | 2003-11-25 | プロリゴ・エルエルシー | 付加環化バイオコンジュゲーション法を利用してオリゴヌクレオチドを固定化する方法 |
JP2004301515A (ja) * | 2003-03-28 | 2004-10-28 | Dkk Toa Corp | 活性物質の固定化方法 |
Family Cites Families (1)
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WO1999001550A1 (en) * | 1997-07-03 | 1999-01-14 | Dana-Farber Cancer Institute | A method for detection of alterations in msh5 |
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2005
- 2005-02-09 WO PCT/JP2005/001882 patent/WO2005085857A1/ja not_active Application Discontinuation
- 2005-02-09 EP EP05709934A patent/EP1722228A1/en not_active Withdrawn
- 2005-02-09 US US10/591,720 patent/US20070154945A1/en not_active Abandoned
- 2005-02-09 JP JP2006510625A patent/JPWO2005085857A1/ja active Pending
- 2005-02-09 CA CA002558271A patent/CA2558271A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10512664A (ja) * | 1994-03-11 | 1998-12-02 | マルティライト リミティド | 尾部を有する結合剤を用いる結合アッセイ |
JPH0829428A (ja) * | 1994-07-11 | 1996-02-02 | Masashi Funayama | 光化学反応による、白血球分化抗原に対するモノクローナル抗体の担体への共有結合方法と、その担体を用いた細胞の分画定量方法、およびLymphokine Activated Killer cellの誘導方法。 |
JP3124037B2 (ja) * | 1995-04-07 | 2001-01-15 | ヤコブセン,モーゲンス,ハブステーン | キノン類を用いて配位子の光化学的固定方法 |
JP2003535317A (ja) * | 2000-05-01 | 2003-11-25 | プロリゴ・エルエルシー | 付加環化バイオコンジュゲーション法を利用してオリゴヌクレオチドを固定化する方法 |
JP2004301515A (ja) * | 2003-03-28 | 2004-10-28 | Dkk Toa Corp | 活性物質の固定化方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006329686A (ja) * | 2005-05-24 | 2006-12-07 | Hipep Laboratories | バイオチップ用基板及びバイオチップ |
JP4694889B2 (ja) * | 2005-05-24 | 2011-06-08 | 株式会社ハイペップ研究所 | バイオチップ用基板及びバイオチップ |
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US20070154945A1 (en) | 2007-07-05 |
JPWO2005085857A1 (ja) | 2008-01-24 |
EP1722228A1 (en) | 2006-11-15 |
CA2558271A1 (en) | 2005-09-15 |
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