WO2005095969A1 - 反応性色素結合磁性粒子及びタンパク質分離精製法 - Google Patents
反応性色素結合磁性粒子及びタンパク質分離精製法 Download PDFInfo
- Publication number
- WO2005095969A1 WO2005095969A1 PCT/JP2005/006128 JP2005006128W WO2005095969A1 WO 2005095969 A1 WO2005095969 A1 WO 2005095969A1 JP 2005006128 W JP2005006128 W JP 2005006128W WO 2005095969 A1 WO2005095969 A1 WO 2005095969A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dye
- magnetic particles
- reactive
- purification
- reactive dye
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/16—Extraction; Separation; Purification by chromatography
- C07K1/22—Affinity chromatography or related techniques based upon selective absorption processes
-
- 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
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
- G01N33/54326—Magnetic particles
-
- 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
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
- G01N33/54326—Magnetic particles
- G01N33/54333—Modification of conditions of immunological binding reaction, e.g. use of more than one type of particle, use of chemical agents to improve binding, choice of incubation time or application of magnetic field during binding reaction
Definitions
- the present invention relates to a reactive dye-bound magnetic particle having triazine dye power having an affinity ligand for a polymer matrix and a protein subjected to magnetism, and to protein separation and purification using the particle.
- affinity column chromatography has been widely used as a method for separating and purifying proteins such as enzymes, antibodies, and peptides.
- a column is packed with an adsorbent in which a ligand having a specific and strong interaction with each target protein is bound to a carrier such as silica gel or agarose, and column chromatography is performed using this as a stationary phase.
- a carrier such as silica gel or agarose
- Non-Patent Documents 1 and 2 the triazine dye is already used as an adsorbent.All of the forces are non-magnetic, and these adsorbents are packed in columns and used as a solid phase. And was not used in a liquid phase flow reaction uniformly dispersed in a solution.
- Non-Patent Document 1 Heackel, R. et al: Hoppe-Seyler's Physiol Chem., 349, 699, 1968.
- Non-Patent Document 2 Toshihisa Oshima: Clinical Laboratory, 35 (3), 317-320, 1991
- adsorbents are ligands with different specificities for proteins (substrates, antibodies, coenzymes, etc.) adsorbed or bound to a carrier such as silica gel agarose.
- a carrier such as silica gel agarose.
- the current practice of the affinity column chromatography method involves the insoluble support of substrates, coenzymes, antibodies, etc., which have a specific strong interaction with each protein.
- a solid adsorbent bound to the body is packed into a column for use.
- these adsorbents are expensive and have low versatility, so they are used to completely remove many impurities contained in proteins. Is expensive as a whole because it is necessary to combine various columns with different interactions.
- the inventors have proposed a novel triazine dye-bonded magnet as a means for solving the above-mentioned problems. Separation and purification of functional particles and proteins ⁇ iij.
- the first invention is a reactive dye-bound magnetic particle having a magnetized polymer matrix and a triazine dye bound to the polymer matrix.
- the reactive dye-bound magnetic particles are fine particles having dispersibility that enables a liquid phase reaction, and the particles are magnetic and have an affinity ligand function bound to a polymer matrix. It has.
- a polymer gel such as agarose or silica having a hydroxyl group or a reactive polar group, a natural polymer polysaccharide, or a synthetic polymer can be used.
- the reactive polar group a hydroxyl group, an amino group, a carboxy group and the like are used.
- the triazine dye (reactive dye) used in the present invention is a triazine dye having a specific affinity for a protein, and can be selected from many types as shown in Table 1.
- Table 1 lists those that are easily available, such as Sigma (SIGMA), but over 90 other triazine dyes have been prepared. These triazine dyes have, for example, a steric structure similar to a coenzyme as shown by reference numeral 1 in FIG. 1 and have a reactive group such as a sulfone group or an amino group. Is one of the factors of affinity with proteins. Further, in the present invention, since the triazine dye-bound particles are magnetized, the separated proteins can be separated and purified in a uniformly dispersed liquid phase, and then the adsorbed proteins can be easily separated by a magnet. It is characterized by
- the first invention is to select a triazine dye, which is a type of reactive dye, as an affinity ligand, and to use a specific affinity for a protein derived from its specific structure, thereby making it possible to use various types of proteins. It can be applied to the separation and purification of proteins, and enables the separation and purification of highly versatile proteins. In this case, a low-cost protein separation method became possible by using magnetic particles fixed with a triazine dye, which can be obtained at low cost, without using an expensive ligand. Also, an important point of the first invention is that instead of the conventional non-magnetic adsorbent, particles ⁇ iij which also have a polymer matrix force containing magnetic fine particles are generated. Separation and purification by Furthermore, each protein can be identified by various dyes, and it can be applied to not only separation and purification but also protein analysis.
- a second invention uses the reactive dye-bound magnetic particles in the separation and purification of proteins.
- V a protein separation and purification reagent.
- the second and sixth inventions use a reactive dye-bound magnetic particle as a reagent to separate and purify a protein by using a conventional non-magnetic affinity ligand-bound adsorbent. It became possible to perform liquid phase reaction adsorption by uniform dispersion, which was not possible, and solid-liquid separation using a magnet in the same vessel. Further, since the adsorbed protein can be eluted by a liquid phase reaction, the amount of the eluate can be reduced, and a high-concentration target substance can be obtained by removing a complicated concentration step. Use of the reactive dye-bound magnetic particles also facilitated automation of a series of steps. In other words, by repeating such a reaction and solid-liquid separation using a magnet, it is possible to make complicated multi-stage separation / purification steps continuous, and it is also easy to automate these series of steps using robotics, etc. And
- a third invention is a reactive dye-bound magnetic particle in which the polymer matrix is a cross-linked polymer gel having a reactive polar group.
- the third invention makes it possible to make the magnetic particles insoluble in water by using a cross-linked polymer matrix and to increase the reactivity and reaction amount of the dye by making the particles porous.
- a fourth invention is a reactive dye-bound magnetic particle in which the polymer matrix is a synthetic polymer having a reactive polar group.
- a fifth invention is a reactive dye-bound magnetic particle in which the reactive polar group is a hydroxyl group, an amino group, or a carboxyl group.
- the fifth invention uses a polymer matrix having a hydroxyl group, an amino group, or a carboxyl group as a reactive polar group derived from the three-dimensional structure of a triazine dye and binding to a reactive group such as a sulfone group or an amino group. This enabled stable fixing of triazine dyes by chemical bonding.
- the reactive dye-bound magnet according to claim 1 is contained in a solution containing the target protein.
- This is a protein separation and purification method in which reactive particles are mixed with reactive particles, and the reactive dye-bound magnetic particles to which the target protein has been adsorbed are separated by magnetic separation using a solution separation, and the adsorbed protein is purified and eluted.
- FIG. 1 is a structural diagram showing a triazine dye, particles, and a triazine dye conjugate according to an example of the present invention.
- FIG. 2 is an enlarged view of a reactive dye-bound magnetic particle produced by bonding magnetite to blue sepharose according to an example of the present invention.
- FIG. 3 is an enlarged view of a reactive dye-bound magnetic particle produced by bonding ferrite to red sepharose according to an example of the present invention.
- FIG. 4 is an enlarged view of a mixture of reactive dye-bound magnetic particles prepared by binding magnetite to blue sepharose and reactive dye-bound magnetic particles prepared by binding ferrite to red sepharose according to an example of the present invention.
- the triazine dye-bonded magnetic particles as the reactive dye-bonded magnetic particles of the present invention contain or bind a fine magnetic powder or magnetic fine particles in a polymer matrix, for example, a matrix having a crosslinked polymer gel force. In this manner, the matrix is prepared, and a triazine dye having an affinity function is bonded to the matrix.
- the dye ligand may be immobilized first, and then the magnetic fine particles may be adsorbed or immobilized to produce the dye ligand-bound magnetic particles.
- the triazine dye-bound magnetic particles of the present invention have the following properties.
- Solid-liquid separation can be easily performed with a magnet.
- the polymer matrix used in the present invention is a polymer matrix such as agarose or silica.
- Natural high molecular polysaccharides, synthetic polymers having a reactive polar group such as a hydroxyl group, an amino group, or a carboxyl group can be used.
- a method of magnetizing a matrix a method of swelling these polymer matrices in an aqueous solution, adsorbing dispersed fine magnetic particles in the matrix, and then immobilizing the polymer, There is a method of kneading and molding with fine particles of a body, a method of fixing magnetic fine particles on a polymer particle by a physical or chemical method, and the like.
- a polymer matrix produced by these methods is used in a solution.
- any method can be used as long as the particles can be easily integrated and redistributed by a magnet.
- magnetic fine particles such as iron oxide such as ferrite and magnetite, and manganese-zinc alloy are used. These magnetic particles preferably have a particle size of preferably 1 ⁇ m or less. Further, an aqueous solution of metal ions or the like as a precursor of the magnetic fine particles may be adsorbed on a polymer matrix and then converted into a magnetic material.
- a triazine dye having an affinity for a protein is used, and these are appropriately selected depending on the type and purpose of the protein.
- a chemical bond with the triazine dye is performed using a polar group of the polymer matrix, for example, a reactive polar group such as a hydroxyl group, an amino group, or a carboxyl group.
- the fixing of the dye may be performed before or after the step of magnetizing the polymer matrix, but is appropriately selected according to the type of the polymer matrix.
- the triazine dye-bound magnetic particles of the present invention can be dissolved in an aqueous solution or an organic solvent! / It must be easily and uniformly dispersed.
- the specific gravity is desirably in the range of 0.9 to 1.5, preferably 1.0 to 1.3.
- the triazine dye-bonded magnetic particles may be amorphous as long as they can be easily dispersed in a solution! /, But are preferably spherical or nearly spherical particles having a particle size of 1 to 500 m, more preferably 10 to 500 m. A range of 150 m is desirable.
- the magnetic particles are dispersed in a solution containing a target protein.
- This solution is stirred gently by, for example, repeating suction and discharge using a pipette or the like, and the protein is adsorbed to the magnetic particles.
- the protein-adsorbed triazine dye-bound magnetic particles are brought into contact with a magnet outside the container to perform solid-liquid separation.
- a nonmagnetic triazine dye (Reactive Blue 2) conjugate is prepared.
- Reactive Blue 2 manufactured by SIGMA
- a triazine dye dissolved in 100 ml of water
- the structural formula is indicated by reference numeral 1 in Fig. 1
- an additional 10 ml of a 22% NaCl solution was added.
- the mixture was shaken and stirred for about 30 minutes without using a rotor or the like to the extent that the gel was well mixed with the dye.
- to carry out the coupling reaction between the dye and the carrier to carry out the coupling reaction between the dye and the carrier,
- Reactive Blue 2 Make binding magnetic particles.
- Serum albumin (BSA, manufactured by SIGMA) was dissolved in 50 mM Tris / HCl buffer (pH 7.0) to give a solution containing 2 mg / ml BSA.
- the triazine dye-bonded magnetic particles prepared in Example 1 were dispersed in this solution and adsorbed at room temperature.
- the BSA-adsorbed triazine dye-bound magnetic particles were separated by a magnet, washed and separated with a buffer solution, and then eluted with a buffer solution containing 1.5 M NaCl.
- the eluted BSA was quantified by measuring the eluate at A280 absorbance.
- a comparative experiment was performed using the non-magnetic triazine dye-bound Sepharose particles obtained in Example 1, and as a result, the amount of BSA adsorbed on the non-magnetic particles showed almost the same value as the magnetic particles of the present invention.
- Red-bound polymer magnetic particles were obtained.
- Example 2 Using the triazine dye-bound magnetic particles, a BSA separation experiment was performed in the same manner as in Example 2. The adsorbed BSA was measured at an absorbance of A280. As a result, the BSA adsorption amount of the dye-bound polymer magnetic particles was 25% as compared with the dye-ligand-bound magnetic Sepharose particles prepared in Example 1.
- Reactive Green 19 (manufactured by SIGMA) as a triazine dye was immobilized on commercially available crosslink agarose (Sepharose CL-4B, manufactured by Amersham Bioscience) in the same manner as in Example 1, and then the particles were impregnated with magnetite fine particles. To form Reactive Green-bound magnetic particles.
- thermovulgaris IFO 13089 (wet weight: 45 g) in 10 mM phosphate buffer at pH 7.2
- a crude extract was prepared by sonication and centrifugation.
- the Reactive Green-bound particles were mixed and adsorbed in the crude extract.
- the adsorbed enzyme is gradually increased in salt concentration using 250 ml of buffer and 0.5 M NaCl, and the adsorbed protein is eluted in three steps using magnetic separation.
- the solution containing the target enzyme is dialyzed from the protein eluate, and the target enzyme is extracted stepwise by magnetic separation using ImM coenzyme (NAD) in the presence of 10 mM L-Valine. became.
- ImM coenzyme NAD
- the target enzyme (L-Valine dehydrogenase) formed a complex with the substrate (L-Valine) and coenzyme (NAD) and was selectively released.
- the yield 9.1 mg of the desired highly purified enzyme (L-Valine dehydrogenase) was obtained from 6500 mg of the crude extract of the raw material. It was confirmed that the target enzyme could be efficiently separated and purified by this method.
- the present invention is used in various fields, for example, in the fields of agriculture and fisheries, food, household goods, pharmacy, hygiene, health, and other medical, engineering, and biochemical fields. It is used in fields where it is necessary to handle biological materials such as macromolecules, but is not limited to these cases.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006511751A JP4804344B2 (ja) | 2004-03-30 | 2005-03-30 | 反応性色素結合磁性粒子及びタンパク質分離精製法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-099303 | 2004-03-30 | ||
JP2004099303 | 2004-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005095969A1 true WO2005095969A1 (ja) | 2005-10-13 |
Family
ID=35063911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/006128 WO2005095969A1 (ja) | 2004-03-30 | 2005-03-30 | 反応性色素結合磁性粒子及びタンパク質分離精製法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4804344B2 (ja) |
WO (1) | WO2005095969A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009072441A1 (ja) * | 2007-12-05 | 2009-06-11 | Konica Minolta Medical & Graphic, Inc. | 検出方法および検出キット |
JP2011521917A (ja) * | 2008-05-23 | 2011-07-28 | 汕頭大學 | 自己分解タンパク質インテインを使用することによる標的組換えタンパク質を精製するための方法およびキット |
WO2020225971A1 (ja) * | 2019-05-08 | 2020-11-12 | 株式会社日立ハイテク | 自動分析装置の前処理方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195161A (ja) * | 1983-04-21 | 1984-11-06 | Fujirebio Inc | 磁性粒子及びその製造法 |
JPH06312942A (ja) * | 1993-03-02 | 1994-11-08 | Shionogi & Co Ltd | α−フェトプロテインを産生するヒト肝癌細胞に対する抗癌剤 |
JP2000306718A (ja) * | 1999-04-23 | 2000-11-02 | Jsr Corp | 磁性ポリマー粒子およびその製造方法 |
-
2005
- 2005-03-30 WO PCT/JP2005/006128 patent/WO2005095969A1/ja active Application Filing
- 2005-03-30 JP JP2006511751A patent/JP4804344B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195161A (ja) * | 1983-04-21 | 1984-11-06 | Fujirebio Inc | 磁性粒子及びその製造法 |
JPH06312942A (ja) * | 1993-03-02 | 1994-11-08 | Shionogi & Co Ltd | α−フェトプロテインを産生するヒト肝癌細胞に対する抗癌剤 |
JP2000306718A (ja) * | 1999-04-23 | 2000-11-02 | Jsr Corp | 磁性ポリマー粒子およびその製造方法 |
Non-Patent Citations (1)
Title |
---|
OSHIMA ET AL.: "Shikiso Affinity Chromatography no Tokucho to Riyoho", CLINICAL TESTING, vol. 35, no. 3, 1991, pages 317 - 320, XP002998119 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009072441A1 (ja) * | 2007-12-05 | 2009-06-11 | Konica Minolta Medical & Graphic, Inc. | 検出方法および検出キット |
JP2011521917A (ja) * | 2008-05-23 | 2011-07-28 | 汕頭大學 | 自己分解タンパク質インテインを使用することによる標的組換えタンパク質を精製するための方法およびキット |
WO2020225971A1 (ja) * | 2019-05-08 | 2020-11-12 | 株式会社日立ハイテク | 自動分析装置の前処理方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4804344B2 (ja) | 2011-11-02 |
JPWO2005095969A1 (ja) | 2008-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2965131B2 (ja) | 核酸結合用磁性担体およびそれを用いる核酸単離方法 | |
US8460941B2 (en) | Methods and kit for isolating nucleic acids | |
CA2575446C (en) | Use of magnetic material to direct isolation of compounds and fractionation of multipart samples | |
US20060177855A1 (en) | Nanoparticles for manipulation of biopolymers and methods of thereof | |
JP2002543979A (ja) | pH依存型イオン交換マトリックス及び核酸の単離におけるその使用法 | |
US20080283792A1 (en) | Separation Medium with Various Functionalities | |
JP2009118858A (ja) | 常磁性粒子を用いた集細胞及びライセート清澄化 | |
JP2003528181A (ja) | 磁性シラン化ポリビニルアルコール系キャリア材料 | |
US20060030056A1 (en) | Use of magnetic material to fractionate samples | |
WO2005095969A1 (ja) | 反応性色素結合磁性粒子及びタンパク質分離精製法 | |
WO2003095646A1 (en) | Isolating nucleic acid | |
Sii et al. | Bioseparation using affinity techniques | |
JP4198461B2 (ja) | シラン処理シリカ基質を用いた溶解物クリアランスおよび核酸単離 | |
Šafaříková et al. | One-step partial purification of Solanum tuberosum tuber lectin using magnetic chitosan particles | |
Šafarík et al. | Overview of magnetic separations used in biochemical and biotechnological applications | |
Tippkötter et al. | Functionalized magnetizable particles for downstream processing in single‐use systems | |
JPH11313670A (ja) | 磁性担体、その製造方法及びこれを用いた核酸抽出方法 | |
CN111804280A (zh) | 一种制备磁性纳米氨基复合物的方法、以及核酸提取方法 | |
CN115806973B (zh) | 一种利用硅藻生物硅快速提取生物质的方法及应用 | |
Zulquarnain | Scale-up of affinity separation based on magnetic support particles | |
US20150140595A1 (en) | Formulations for the synthesis of paramagnetic particles and methods that utilize the particles for biochemical applications | |
Sari | Preparation of immobilized metal affinity sorbents | |
WO2021055083A1 (en) | Apparatuses systems and methods using core-shell-shell magnetic beads | |
Ma et al. | Preparation and Characterization of Immobilized Metal Affinity Media Based on Monodisperse Crosslinked Poly (glycidyl methacrylate-ethyleneglycol dimethacrylate) Microspheres | |
Türkmen | Cytochrome C purification with immobilized metal affinity chromatography (IMAC) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006511751 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |