WO2001077182A1 - Complexe anticorps-porteur, procede de production, methode de controle de la reaction antigene-anticorps par ledit complexe et procede de dosage immunologique - Google Patents
Complexe anticorps-porteur, procede de production, methode de controle de la reaction antigene-anticorps par ledit complexe et procede de dosage immunologique Download PDFInfo
- Publication number
- WO2001077182A1 WO2001077182A1 PCT/JP2001/003017 JP0103017W WO0177182A1 WO 2001077182 A1 WO2001077182 A1 WO 2001077182A1 JP 0103017 W JP0103017 W JP 0103017W WO 0177182 A1 WO0177182 A1 WO 0177182A1
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- antibody
- carrier
- polymer
- antigen
- reaction
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K17/00—Carrier-bound or immobilised peptides; Preparation thereof
- C07K17/02—Peptides being immobilised on, or in, an organic carrier
- C07K17/06—Peptides being immobilised on, or in, an organic carrier attached to the carrier via a bridging agent
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/26—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against hormones ; against hormone releasing or inhibiting factors
-
- 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
- Antibody-carrier complex method for producing the same, and
- the present invention relates to the field of medical and other antigen-antibody reactions such as immunochromatography, affinity chromatography, blotting, immunoturbidimetry, staining of antigens in tissues with antibodies, octaloni, and enzyme immunoassay.
- TECHNICAL FIELD The present invention relates to an antibody-carrier complex used for immunological analysis, measurement, and inspection using the antibody. Background art
- the measurable antigen concentration range depends on the sensitivity of the antibody. Therefore, conventionally, to obtain an antibody with a sensitivity corresponding to the concentration range of the antigen as a test substance, a commercially available antibody must be searched for and obtained, or a new antibody must be obtained. Had to be prepared. Disclosure of the invention
- an object of the present invention is to provide an antibody-carrier complex capable of easily adjusting the sensitivity of an antibody to an antigen, that is, the sensitivity of an antigen-antibody reaction, without producing a new antibody. It is an object of the present invention to provide a method, a method for adjusting the sensitivity of an antigen-antibody reaction using the same, and an immunological assay.
- the antibody-carrier complex of the present invention comprises at least one An antibody-carrier complex comprising two antibodies, characterized in that it comprises a polymer structure in which each antigen-binding site of the antibodies is arranged to react with the antigen.
- the polymer structure is an antibody polymer or a carrier polymer.
- said carrier is selected from the group consisting of proteins, carbohydrates and lipids.
- the carrier binds to the Fc site of the antibody.
- the present invention also relates to a method for producing the antibody * carrier polymer, and this method may include a step of copolymerizing the antibody and the carrier using a polymerization reagent.
- the present invention also relates to a method for producing the antibody and the carrier polymer, the method comprising: polymerizing a carrier using a polymerization reagent to form a carrier polymer; and binding the antibody to the carrier polymer. May be included.
- the present invention also relates to a method for producing the antibody-carrier polymer, the method comprising polymerizing an antibody using a polymerization reagent to form an antibody polymer, and binding a carrier to the antibody polymer. May be included.
- the present invention also relates to a method for producing the antibody and the carrier polymer, which comprises polymerizing the carrier using a polymerization reagent to form a carrier polymer, polymerizing the antibody using the polymerization reagent, A step of forming an antibody polymer and a step of binding the carrier polymer and the antibody polymer can be included.
- the polymerization reagent is 3,3′-dithiobis (sulfosuccinimidyl propionate) or dithiothreitol.
- the present invention in one aspect, relates to a method for adjusting the sensitivity of an antigen-antibody reaction, which comprises: a parameter selected from the group consisting of the following in a reaction between an antibody and a polymerization reagent: a polymerization reagent for the antibody Obtaining a plurality of antibody polymers having different degrees of polymerization by changing the number of equivalents, the reaction temperature, the reaction time, and the antibody concentration; an antibody-carrier complex; A step of obtaining a set of antibodies; and an antibody that reacts to a desired degree with an antigen from the obtained antibody / carrier complex set. Selecting a body complex.
- the present invention in one aspect, relates to an immunological assay method, which includes a step of subjecting a test substance in a sample to an antigen-antibody reaction with the antibody-carrier complex.
- FIG. 1 is a diagram showing a chromatogram of an anti-hCG antibody before polymerization used in one example of the present invention, which was measured by high performance liquid chromatography.
- FIG. 2 is a diagram showing a chromatogram of one antibody polymer measured by high performance liquid chromatography in one example of the present invention.
- FIG. 3 is a view showing a chromatogram of another antibody polymer measured by high performance liquid chromatography in one example of the present invention.
- FIG. 4 is a diagram showing a chromatogram of another antibody polymer measured by high performance liquid chromatography in one example of the present invention.
- FIG. 5 is a view showing a chromatogram of another antibody polymer measured by high performance liquid chromatography in one example of the present invention.
- FIG. 6 is a diagram showing a chromatogram of a carrier polymer according to one embodiment of the present invention, which is measured by high performance liquid chromatography.
- FIG. 7 is a diagram showing a chromatogram of an antibody / carrier polymer measured by high performance liquid chromatography in one example of the present invention.
- FIG. 8 is a perspective view showing an immunochromatography apparatus used in the immunoassay according to one embodiment of the present invention.
- the antibody-carrier complex according to the present invention is an antibody-carrier complex containing at least one antibody, and has a polymer structure in which each antigen-binding site of the antibody is arranged to react with an antigen. It is characterized by including.
- Such an antibody-carrier complex has more antigen binding sites than a divalent antibody that does not contain a polymerized structure.
- the antibody-carrier complex according to the present invention uses the antibody-carrier complex according to the present invention because the antibody-carrier complex according to the present invention can change the proportion of the antigen-binding site that can effectively participate in the reaction with the antigen.
- the antibody-carrier complex according to the present invention has a larger size with the same amount of antibody as compared to an antibody polymer formed only with an antibody, so that the reaction with the antigen existing on the surface of the complex molecule is three-dimensional. It is possible to increase the number of antigen-binding sites that are not specifically inhibited, and as a result, it is possible to extend the sensitivity range of the antigen-antibody reaction to the higher sensitivity side.
- the antibody-carrier complex according to the present invention forms a complex having the same size as the antibody polymer with a smaller amount of the antibody than the antibody polymer formed only of the antibody, and An antigen-antibody reaction in the same sensitivity range can be performed.
- the most efficient and highly sensitive antibody-carrier complex is composed of a carrier or carrier polymer at the center, and one or more antibody molecules on the outer surface of which make the antigen binding site outside the molecule. They are combined in a state of facing.
- the antibody-carrier complex of the present invention is labeled with a labeling substance and used for immunological analysis, etc., only the carrier portion of the antibody-carrier complex can be labeled. Is less likely to inhibit the reaction between the antibody and the antigen by direct labeling.
- the sensitivity range of the antigen-antibody reaction can be broadened to a higher sensitivity side as compared with an antibody polymer formed only of an antibody.
- the antibody that can be used in the present invention is not particularly limited, and can be used regardless of its origin, subclass, and the like.
- These antibodies may be obtained as commercial products or directly collected from the animal.
- the carrier may be any structural material that does not inhibit the antigen-antibody reaction, and is preferably a biological constituent material, and may include proteins, carbohydrates, and lipids.
- proteins that do not exhibit the function of an antibody such as serum proteins and gelatin
- carbohydrates such as monosaccharides, oligosaccharides, polysaccharides, and complex carbohydrates
- lipids such as simple lipids, complex lipids, and derived lipids.
- proteins and carbohydrates are preferred because they can easily cause a polymerization reaction.
- a protein that does not exhibit the function as an enzyme is preferable because it has no reactivity with a substance other than the antigen that is the test substance.
- serum-derived albumin and the like are preferred because they do not inhibit the antibody reaction and have high water solubility.
- the carrier has the ability to bind to the Fc site of the antibody.
- the antibody and the carrier bind together with the antigen-binding site facing the opposite side of the carrier, there is little possibility that the binding between the antibody and the carrier will inhibit the reaction between the antibody and the antigen. Therefore, the adjustable sensitivity range of the antibody can be extended to the high sensitivity side.
- examples of carriers that bind to the Fc site of the antibody include protein A and protein G.
- the method for producing an antibody-carrier complex according to the present invention is characterized in that an antibody and a carrier are copolymerized using a polymerization reagent.
- the method may include a step of polymerizing a carrier using a polymerization reagent to form a carrier polymer and a step of binding an antibody to the carrier polymer.
- the method may include a step of forming an antibody polymer by polymerizing the antibody using a polymerization reagent, and a step of binding a carrier to the antibody polymer.
- the method for producing an antibody-carrier complex which comprises a step of polymerizing a carrier using a polymerization reagent to form a carrier polymer and a step of binding an antibody to the carrier polymer, is carried out in the center. It is preferable since an antibody-carrier complex having a polymer and having an antibody on its surface can be easily formed, and the adjustable sensitivity range of the antibody can be extended to the high sensitivity side.
- any reagent capable of causing a polymerization reaction can be used without particular limitation.
- a polymerization reagent for an antibody a polyfunctional reagent having two or more functional groups (succinimidyl group, pyridyl disulfide group, etc.) capable of binding to an antibody in the same molecule, or a cis-sulfide bond of a protein may be used. Reducing reagents and the like can be mentioned.
- a polyfunctional reagent having two or more functional groups capable of binding to the carrier in the same molecule, or a protein as a carrier is used.
- examples include reagents that reduce the cis-sulfide bonds of proteins.
- polyfunctional reagent examples include 3,3′-dithiobis (sulfosuccinimidyl propionate) (hereinafter abbreviated as DTSSP), bis (sulfosuccinimidyl) suberate, disulfosuccinimidylter Traits, ethylenedali-cole bis (sulfosuccinimidyl succinate), N succinimidyl 3 (2 pyridyldithio) propionate, bis [2 (sulfosuccinimidyl oxycarbonyl oxy) ethyl] sulfone, dimethylsuberimidate 2H CN r maleimide Butyryloxyl succinimide ester, sulfos succimidi [4-diacetyl], bismaleimide hexane, 1,4 di [3 '(2' pyridyldithio) propionamide] butane, 2 mercaptoethyl
- the multifunctional reagent is called DTSS because it is easy to control the reaction with the antibody.
- examples of the reagent that reduces the cis-sulfide bond of a protein include 2-mercaptoethanol and the like.
- the method for adjusting the sensitivity of the antigen-antibody reaction according to the present invention is characterized in that the degree of polymerization of the antibody in the antibody-carrier complex is controlled.
- the sensitivity of the antigen to the antigen in the antigen-antibody reaction increases as the degree of polymerization of the antibody increases, but after the highest sensitivity is exhibited, the degree of polymerization is further increased. It decreases with time, and eventually becomes lower than the sensitivity of the antibody before polymerization. This is because, as the degree of polymerization of the antibody increases, the number of antigen-binding sites in the antibody-carrier complex increases, increasing the sensitivity of the reaction with the antigen. However, it is considered that the sensitivity of the reaction with the antigen decreases due to the progress of polymerization via the antigen binding site or the steric inhibition of the binding between the antigen binding site and the antigen. Therefore, by controlling the degree of polymerization of the antibody in the antibody-carrier complex, the sensitivity of the antibody to the antigen can be adjusted.
- the immunoassay according to the present invention is characterized in that the test substance is measured using an antigen-antibody reaction between the test substance in a sample and the antibody-carrier complex.
- the immunoassay a conventionally known method can be used without particular limitation. Examples thereof include immunochromatography, affinity chromatography, blotting, immunoturbidimetry, and staining of antigens in tissues with antibodies. And enzyme immunoassay.
- FIGS. 1 Is the chromatogram of the antibody before polymerization measured by high performance liquid chromatography
- FIGS. 2 to 5 are the chromatograms of the antibody complex in this example measured by high performance liquid chromatography
- FIG. 6 is the weight of the carrier in this example
- FIG. 7 is a chromatogram of the antibody-carrier complex in this example measured by high performance liquid chromatography.
- an antibody polymer was prepared.
- an antibody against human chorionic gonadotropin hereinafter abbreviated as hCG
- anti-hCG antibody an antibody against human chorionic gonadotropin
- PBS physiological saline concentration phosphate buffer solution
- a solution (A), a solution (B), a solution (C) and a solution (D) were obtained.
- a Sephacry 1 S300 HR column (Amersham Pharmacia) for evaluation, evaluate and purify the degree of polymerization of the antibody by high-performance liquid chromatography (hereinafter abbreviated as HPLC) at a flow rate of 150 m1 h. was conducted.
- HPLC high-performance liquid chromatography
- Figures 1 to 5 show the obtained HPLC chromatograms.
- the vertical axis indicates absorbance (relative value), and the horizontal axis indicates retention time.
- the peak of the chromatogram moves to the left because the higher the molecular weight, the shorter the retention time.
- FIG. 1 shows a chromatogram of the anti-hCG antibody before polymerization.
- An anti-hCG antibody peak appears at a retention time of about 66 to 68 minutes. The peaks were observed at retention times of around 44 and 56 minutes because the antibody was denatured and agglutinated in the solution, resulting in an apparent increase in molecular weight.
- Figure 2 shows a solution obtained by reacting the antibody with 20 equivalents of DTS SP.
- 1 shows a chromatogram of (A). Since the polymerization of the antibody hardly progressed, there was no change in the pattern of the chromatogram, and a peak was observed at a retention time of about 70 minutes as in FIG.
- FIG. 3 shows a chromatogram of the solution (B) reacted with 50 equivalents of DTSSP to the antibody. Antibody polymerization progressed a little, and the peak at a retention time of around 45 minutes increased slightly.
- Figure 4 shows a solution obtained by reacting 100 equivalents of DTSSP with the antibody.
- Figure 5 shows a solution obtained by reacting 200 equivalents of DTS SP with the antibody.
- the chromatogram of (D) is shown. As antibody polymerization progressed further, the peak at a retention time of around 70 minutes disappeared and a very large peak was obtained at around 45 minutes.
- the molecular weight of the antibody polymer corresponding to the peak near the retention time of 45 minutes is considered to be 2 ⁇ 10 6 or more, which is the exclusion limit of the column.
- Increasing the number of equivalents of the multifunctional reagent increased the peak around the retention time of 45 minutes, indicating that the proportion of antibodies having a higher degree of polymerization increased.
- an antibody polymer for preparing an antibody-carrier complex was prepared.
- a PBS solution having an anti-hCG antibody concentration of 1 OmgZm1 was prepared.
- As a multifunctional reagent 4.056 mg of DTSSP corresponding to 100 equivalents per 10 mg of the antibody was dissolved in 1 O Oz 1 of PBS. 1 ml of the antibody solution and 101 of the DTSSP solution were slowly stirred at 35 ° C for 30 minutes. After the reaction was completed, a fraction containing the antibody polymer was collected from the reaction solution using a Sepadex G25 column (manufactured by Amersham Pharmacia).
- BSA Bovine serum albumin
- a carrier polymer Bovine serum albumin (hereinafter abbreviated as BSA) was used as a carrier. 110 mg of BSA was dissolved in 5 ml of PBS to prepare a BSA solution. This amount of BSA is equivalent to 25 equivalents per 1 Omg of antibody.
- a PBS solution having a DTT concentration of 77 mg / m 1 was prepared. This PBS solution (lm1) of DTT was mixed with 5 ml of a PBS solution of BSA, and the mixture was slowly stirred at room temperature for 30 to 40 minutes, and then the reaction was stopped immediately before cloudiness. After the reaction was completed, a fraction containing the carrier polymer (retention time: 12 to 18 minutes) was collected from the reaction solution using a G25 column as shown in FIG.
- the carrier polymer was separated, and immediately mixed with the previously separated antibody polymer and reacted.
- the reaction was performed overnight at 4 ° C. At this time, the reaction proceeded only by mixing the carrier polymer and the antibody polymer. This is probably because free SH groups remained on the carrier polymer immediately after the carrier polymer was treated with DTT and fractionated by the column.
- a fraction (retention time: 24-44 minutes) containing the antibody-carrier complex (A) was collected from the reaction solution using an S300HR column.
- Example 2 As a comparative example, as in Example 1, a PBS solution having an anti-hCG antibody concentration of 1 OmgZm 1 was reacted with 70, 100, or 200 equivalents of DTSSP. After the reaction, fractions having a retention time of about 45 minutes were collected using an S300HR column to obtain antibody polymers (B), (C) and (D).
- FIG. 8 is a perspective view showing the immunochromatography apparatus used for the measurement.
- an immunochromatography apparatus consisting of porous carrier 1 shown in Fig. 8 was used.
- the antibody-carrier complex or antibody polymer is labeled with a cysteine dye (hereinafter abbreviated as SLIC3) having the structure shown in the following (Chemical Formula 1), and a certain amount of the labeled antibody is carried on the labeling part 3. did.
- SLIC3 cysteine dye
- an unpolymerized anti-hCG antibody was immobilized as an immobilized antibody.
- a fixed amount of a sample having a concentration of 0, 0, 40, 400, 4000, and 400000 U was added to the sample introduction part 2.
- the sample passes through the judging section 4 via the label section 3 and moves toward the liquid absorbing section 5.
- the labeled antibody carried on the labeled part 3 dissolves in the moisture of the sample, and starts moving with the sample. Thereafter, the dissolved labeled antibody passes through the judging section 4.
- the immobilized antibody and the labeled antibody react in the judging section 4 via the antigen, and the judging section 4 is colored.
- the result is negative, no reaction occurs, and the labeled antibody passes through the judgment part 4 and is absorbed by the liquid absorbing part 5.
- Reflection absorbance measurement manufactured by Shimadzu Corporation: CS 9300 PC was used to measure the color intensity obtained in Judgment Section 4. It was measured.
- Table 1 shows the measurement results obtained for the antibody polymer of Comparative Example 1.
- the data value is the reflection and absorption value of the dye, and the larger the value, the stronger the color is, that is, the strength of the antibody reaction and the index of the sensitivity.
- ND indicates no color development of the dye and no sensitivity was obtained.
- PBS is used as a negative control.
- the sensitivity of the used antibody was only obtained up to a concentration of about 400 IU before polymerization.
- the antibody polymer (B) or (D) reacted with 70 or 200 equivalents of DTSSP to the antibody was sensitive only to hCG at a concentration of 400 IU. could not be obtained. However, 100 equivalents of DTSS In the case of the antibody polymer (C) reacted with P, sensitivity was obtained up to hCG at a concentration of 40 IU.
- Sensitivity was obtained up to hCG at a concentration of 0 IU. This is equivalent to the sensitivity of the antibody polymer (C) using the same equivalent number of DTSSP in the process of producing the antibody polymer. Since the total amount of protein carried on the labeling part 3 was almost the same, the antibody-carrier complex (A) of Example 1 had a smaller amount of antibody and the same sensitivity as the antibody polymer (C) of Comparative Example. It turns out that was obtained.
- the antibody When producing the labeled antibody, the antibody was labeled after the antibody-carrier complex was prepared.After labeling the carrier polymer, when the antibody polymer was allowed to react with the labeled carrier polymer, only the carrier portion was detected. A labeled antibody-carrier complex can be prepared. As a result, the possibility that the reaction between the antibody and the antigen is inhibited by directly labeling the antibody is reduced, so that the sensitivity range of the antibody-carrier complex to the adjustable antigen can be extended to the higher sensitivity side. Can be.
- the degree of polymerization of the antibody in the obtained antibody-carrier complex was controlled by controlling the number of equivalents of the polyfunctional reagent used in the reaction, and the sensitivity of the antibody-antibody complex to the antigen was adjusted.
- the present invention is not limited to this, and various parameters can be used.
- the reaction temperature, reaction time, antibody concentration, and the like in the reaction between the antibody and the polyfunctional reagent are exemplified.
- Sephacry 1 S300 HR column or Sephadex G25 column was used for purification of the polymerized antibody.However, the present invention is not limited to this column. Other columns may be used if desired. For example, gel filtration by liquid chromatography can be used as long as it can separate the antibody having a molecular weight of 150,000, which is several times higher than that of the antibody. Also, a purification method by electrophoresis instead of HPLC can be used. Furthermore, by changing the reaction using a reagent or changing the temperature, purification can also be performed using methods such as precipitation and recrystallization. Industrial applicability
- the sensitivity of the antigen-antibody reaction can be changed with a small amount of antibody without being limited to the inherent sensitivity of the antibody itself to the antigen. Further, according to the method for adjusting the sensitivity of the antigen-antibody reaction of the present invention, the sensitivity of the antigen-antibody reaction can be easily adjusted without preparing a new antibody. By using this method, it is possible to control the measurement sensitivity to a desired value in analysis, measurement, inspection, and the like utilizing an antigen-antibody reaction, which is particularly effective in the medical field.
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01917858A EP1270596A4 (en) | 2000-04-07 | 2001-04-06 | ANTIBODY-CARRIER COMPLEX, METHOD OF ITS PRODUCTION, METHOD FOR CONTROLLING ANTIQUE-ANTIBODY REACTION BY USING THE COMPLEX AND IMMUNASSAY METHOD |
US10/240,862 US20030143638A1 (en) | 2000-04-07 | 2001-04-06 | Antibody/carrier complex, process for producing the same, method of controlling antigen-antibody reaction by using the same and immunoassay method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000106019 | 2000-04-07 | ||
JP2000-106019 | 2000-04-07 |
Publications (1)
Publication Number | Publication Date |
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WO2001077182A1 true WO2001077182A1 (fr) | 2001-10-18 |
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ID=18619263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2001/003017 WO2001077182A1 (fr) | 2000-04-07 | 2001-04-06 | Complexe anticorps-porteur, procede de production, methode de controle de la reaction antigene-anticorps par ledit complexe et procede de dosage immunologique |
Country Status (3)
Country | Link |
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US (1) | US20030143638A1 (ja) |
EP (1) | EP1270596A4 (ja) |
WO (1) | WO2001077182A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005241389A (ja) * | 2004-02-25 | 2005-09-08 | Ochiyanomizu Jiyoshi Univ | 蛍光標識糖鎖の特異的固定化試薬および固定化方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112020005737A2 (pt) | 2017-09-22 | 2020-11-17 | F. Hoffmann-La Roche Ag | anticorpo recombinante multivalente e uso do mesmo, kit e método para detectar um antígeno |
CN113125756B (zh) * | 2020-07-15 | 2022-10-25 | 南京岚煜生物科技有限公司 | 抗体标准品赋值和抗原中和当量确定的方法 |
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JPH0568552A (ja) * | 1991-08-23 | 1993-03-23 | Olympus Optical Co Ltd | 生体物質の固相化方法 |
JPH07270415A (ja) * | 1994-03-31 | 1995-10-20 | Toray Ind Inc | 酵素免疫測定法 |
EP0709676A2 (en) * | 1994-10-27 | 1996-05-01 | Bayer Corporation | Method for coupling antibody to latex substrate and its use in immunoassay |
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JP2000002704A (ja) * | 1998-06-17 | 2000-01-07 | Sekisui Chem Co Ltd | 免疫学的測定試薬の製造方法および免疫学的測定試薬 |
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US4698420A (en) * | 1985-02-25 | 1987-10-06 | Xoma Corporation | Antibody hybrid molecules and process for their preparation |
JPH11326324A (ja) * | 1998-05-07 | 1999-11-26 | Matsushita Electric Ind Co Ltd | 間接重合標識抗体およびその製造方法 |
US5994511A (en) * | 1997-07-02 | 1999-11-30 | Genentech, Inc. | Anti-IgE antibodies and methods of improving polypeptides |
DE59709791D1 (de) * | 1997-09-19 | 2003-05-15 | Alstom Switzerland Ltd | Brenner für den Betrieb eines Wärmeerzeugers |
-
2001
- 2001-04-06 US US10/240,862 patent/US20030143638A1/en not_active Abandoned
- 2001-04-06 WO PCT/JP2001/003017 patent/WO2001077182A1/ja not_active Application Discontinuation
- 2001-04-06 EP EP01917858A patent/EP1270596A4/en not_active Withdrawn
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JPH0568552A (ja) * | 1991-08-23 | 1993-03-23 | Olympus Optical Co Ltd | 生体物質の固相化方法 |
JPH07270415A (ja) * | 1994-03-31 | 1995-10-20 | Toray Ind Inc | 酵素免疫測定法 |
EP0709676A2 (en) * | 1994-10-27 | 1996-05-01 | Bayer Corporation | Method for coupling antibody to latex substrate and its use in immunoassay |
US5807942A (en) * | 1995-06-09 | 1998-09-15 | Nof Corporation | Polymerized product of protein and process for producing it |
JPH1033165A (ja) * | 1996-07-25 | 1998-02-10 | Asahi Chem Ind Co Ltd | 造血未分化細胞の選択的分離方法及び分離装置 |
JPH11295313A (ja) * | 1998-04-09 | 1999-10-29 | Eiken Chem Co Ltd | 抗体または抗体断片の重合体とその利用 |
JP2000002704A (ja) * | 1998-06-17 | 2000-01-07 | Sekisui Chem Co Ltd | 免疫学的測定試薬の製造方法および免疫学的測定試薬 |
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Cited By (1)
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JP2005241389A (ja) * | 2004-02-25 | 2005-09-08 | Ochiyanomizu Jiyoshi Univ | 蛍光標識糖鎖の特異的固定化試薬および固定化方法 |
Also Published As
Publication number | Publication date |
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EP1270596A4 (en) | 2003-06-04 |
US20030143638A1 (en) | 2003-07-31 |
EP1270596A1 (en) | 2003-01-02 |
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