WO2007145362A1 - マイコプラズマ・ニューモニエのグリセロ型糖脂質抗原 - Google Patents
マイコプラズマ・ニューモニエのグリセロ型糖脂質抗原 Download PDFInfo
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- WO2007145362A1 WO2007145362A1 PCT/JP2007/062358 JP2007062358W WO2007145362A1 WO 2007145362 A1 WO2007145362 A1 WO 2007145362A1 JP 2007062358 W JP2007062358 W JP 2007062358W WO 2007145362 A1 WO2007145362 A1 WO 2007145362A1
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- Prior art keywords
- antibody
- disease
- mycoplasma pneumoniae
- present
- mycoplasma
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
- C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
- C07H15/02—Acyclic radicals, not substituted by cyclic structures
- C07H15/04—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical
- C07H15/06—Acyclic radicals, not substituted by cyclic structures attached to an oxygen atom of the saccharide radical being a hydroxyalkyl group esterified by a fatty acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1203—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria
- C07K16/1253—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria from Mycoplasmatales, e.g. Pleuropneumonia-like organisms [PPLO]
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/44—Preparation of O-glycosides, e.g. glucosides
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/64—Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
- C12P7/6436—Fatty acid esters
- C12P7/6445—Glycerides
- C12P7/6463—Glycerides obtained from glyceride producing microorganisms, e.g. single cell oil
-
- 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
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
-
- 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
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56911—Bacteria
- G01N33/56933—Mycoplasma
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/195—Assays involving biological materials from specific organisms or of a specific nature from bacteria
- G01N2333/30—Assays involving biological materials from specific organisms or of a specific nature from bacteria from Mycoplasmatales, e.g. Pleuropneumonia-like organisms [PPLO]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2400/00—Assays, e.g. immunoassays or enzyme assays, involving carbohydrates
- G01N2400/10—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- G01N2400/50—Lipopolysaccharides; LPS
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2405/00—Assays, e.g. immunoassays or enzyme assays, involving lipids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2469/00—Immunoassays for the detection of microorganisms
- G01N2469/10—Detection of antigens from microorganism in sample from host
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2469/00—Immunoassays for the detection of microorganisms
- G01N2469/20—Detection of antibodies in sample from host which are directed against antigens from microorganisms
Definitions
- the present invention relates to a glycosylated glycolipid antigen that is a novel structure isolated from Mycoplasma pneumoniae.
- Mycoplasma is the simplest and smallest group of microorganisms without cell walls.
- Mycoplasma pneumoniae which is a kind of it, is the causative microorganism of mycoplasma pneumonia.
- Mycoplasma pneumonia is indistinguishable from that caused by Streptococcus pneumoniae, especially in children with pneumonia, and antibiotics against them are ineffective for mycoplasma. It is not uncommon for this diagnosis to be incorrect, resulting in severe symptoms due to the use of the wrong antibiotic. Therefore, it is required to accurately determine the infection and diagnose the disease.
- the current Mycoplasma pneumoniae detection method uses an extract of Mycoplasma pneumoniae as an antigen, and its specificity is low and reproducibility is not maintained due to differences between lots of extracts. There are problems such as.
- Mycoplasma pneumoniae has also been reported as a causative agent of Mycoplasma pneumonia, asthma, and neurological diseases.
- the mechanism of the onset of the disease has not yet been elucidated (Japanese Patent Laid-Open No. 2 0 0 5-1 1 0 5 4 5; The Journal of Emergency Medicine, 2006, 30, 4, 371-375; Cytokine & Growth Factor Reviews, 2004, 15, 2-3, 157-168 .; Brain and Development, 2005, 27, 6, 431-433.). Disclosure of the invention
- the present invention provides the following compound (glyce mouth type glycolipid of the present invention), a composition containing the compound, a diagnostic agent, or a kit, and diagnosis of diseases caused by Mycoplasma pneumoniae using these compounds: Provide a method.
- R 3 is independent of any hydrocarbon group, whether saturated or unsaturated. And selectable.
- a diagnostic agent for a disease caused by Mycoplasma pneumoniae comprising the compound according to any one of (1) to (3) above.
- a diagnostic kit for a disease caused by Mycoplasma pneumoniae comprising the compound according to any one of (1) to (3) or the composition according to (4) above.
- a method for diagnosing diseases caused by Mycoplasma pneumoniae including
- R 3 is any carbonization, whether saturated or unsaturated. It can be selected independently from the hydrogen group.
- a diagnostic agent for a disease caused by Mycoplasma pneumoniae comprising the antibody according to any one of (13) to (16).
- a Mycoplasma pneumoniae detection kit comprising the antibody according to any one of (13) to (16) or the composition according to (17) above.
- a method for diagnosing diseases caused by Mycoplasma pneumoniae including
- the present invention also provides the following method for producing a diagnostic agent for a disease caused by Mycoplasma pneumoniae.
- Mycoplasma comprising a step of binding the antibody according to any one of (13) to (16) or the composition according to (16) above to an appropriate support or carrier.
- FIG. 1 shows 3—O— [(j3-D-G a 1 actopyranosy 1) — (1, 6) — ( ⁇ — D ⁇ ga 1 actopyranosyl)] — 1, 2— diacyl— O— acyl — sn— glycerol (1), and 3— O— [(/ 3 -DG lucopyranosy 1) ichi (1, 6) ⁇ (j3— D— ga 1 actopyranosyl)] — 1, 2— di acyl-
- FIG. 2 is a diagram showing the structure of O-acyl — sn-glycerol (2).
- FIG. 2 is a diagram in which the lipid sample extracted in Example 1 was developed by thin-phase chromatography (TLC) and stained with an orcinol reagent.
- FIG. 3 shows the DMS O-d for the lipid fraction obtained in Example 1.
- FIG. 6 is a diagram showing a DQF-COZY spectrum measured in 6 100%.
- FIG. 4 is a spectrum chart obtained by analyzing the lipid fraction obtained in Example 1 by ESI-MS measurement.
- Fig. 5 shows TLC-expanded Mycoplasma pneumoniae lipid fraction
- the glycolipid antigen spot is colored, indicating that a patient with Guillain-Barre syndrome holds an antibody against the glycolipid antigen.
- FIG. 6 is a diagram showing a distribution of score values of a disease group and a non-disease group investigated by an ELISA method using GlcJS-6Galj3-3 DAG in Example 3.
- Figure 7 shows the ROC curve of the experimental results by ELISA using G lc] 3-6 G al; 3-3 D AG in Example 3 in terms of sensitivity vs. false positive rate! ⁇ (Receiver O perating C haracteristiccurve.
- a is a plan view of the immunochromatographic test strip
- b is a longitudinal sectional view of the immunochromatographic test strip indicated by a.
- the symbols in the figure represent the following.
- Figure 9 shows a mixture of lipids extracted from Mycoplasma pneumoniae cells and Ga 1 j31-6 G a 1/3 — 3 DAG and G l C j 81— 6 G al j8 — 3 is a photograph showing the result of developing DAG on an HTLC plate and reacting the obtained goat serum.
- the right figure shows the result of immunostaining using the obtained goat serum.
- the left figure shows the results of orcinol staining of the HTLC plate on which the compound was developed.
- Figure 10 shows the results of monoclonal antibodies purified from Ga 1 ⁇ -6 G a 1] 3-3 DAG and G lc jS l-6 G a 1 ⁇ -3 DAG by antigen and ammonium sulfate fractionation. It is a graph which shows ELISA result which shows the reactivity of. The monoclonal antibody reacted with both GalGL and GulGL.
- the present inventors have succeeded in isolating and purifying a major compound having particularly strong antigenicity from Mycoplasma pneumoniae antigenic substances.
- the structure was analyzed and a new glyce-mouth type glycolipid was identified.
- the present invention provides a glyceroglycolipid that has been newly isolated from a Mycoplasma pneumoniae antigenic substance and whose structure has been determined.
- the glyceglycoglycolipid provided by the present invention is a Darissello glycolipid represented by the following structural formula, which is produced by Mycoplasma'-Monemone:
- R 3 is independent of any hydrocarbon group, whether saturated or unsaturated. And selectable.
- R 3 is a saturated hydrocarbon represented by 1 (CH 2 ) n CH 3 (n is 1, 2, 14, 16 or 18).
- the glyce mouth type glycolipid provided by the present invention is: Structural formula of:
- R 1 OH
- R 2 H (Glc) (2)
- the “glyce mouth type glycolipid of the present invention” refers to a glyce mouth type glycolipid represented by the above structural formula.
- salts salts with physiologically acceptable acids (eg, inorganic acids, organic acids) and bases (eg, alkali metal salts) are used, and particularly physiologically acceptable acids. Addition salts are preferred. Examples of such salts include salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid), or organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid). Acid, tartaric acid, citrate, malic acid, succinic acid, benzoic acid, methanesulfonic acid, and benzenesulfonic acid).
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid
- organic acids eg, acetic acid, formic acid, propionic acid,
- the glyceroglycolipid of the present invention is a glycolipid produced by Mycoplasma pneumoniae, and is useful as a marker for detecting Mycoplasma pneumoniae or diagnosing a disease caused by Mycoplasma pneumoniae.
- immunological techniques can be used to detect Mycoplasma pneumoniae or to diagnose diseases that are caused by Mycoplasma pneumoniae. It can be carried out.
- a method for diagnosing a disease caused by Mycoplasma pneumoniae characterized by the presence of anti-glycose mouth glycolipid antibody in a sample derived from a subject includes the step of bringing the glycosylated glycolipid of the present invention into contact with a sample derived from a subject.
- the method for measuring an anti-glyce mouth type glycolipid antibody used in the method of the present invention is not particularly limited as long as it enables measurement of the anti-glyce mouth type glycolipid antibody in a subject-derived sample.
- a typical example is an immunoassay based on an antigen-antibody reaction.
- the immunological measurement method used in the present invention comprises a step of bringing a sample derived from a subject into contact with the glyceglycoglycolipid of the present invention, and an anti-glyceglycoglycolipid antibody in the sample derived from the subject and the glyce of the present invention. Detecting the presence of an immune complex with the oral glycolipid.
- a disease caused by Mycoplasma pneumoniae means a disease caused by infection with Mycoplasma pneumoniae.
- Diseases caused by Mycoplasma eeumonie are typical Specifically, it is characterized by detecting an autoantibody against the glyceglycoglycolipid of the present invention or a salt thereof, or the glyceroglycolipid of the present invention in a biological sample derived from a patient having the disease.
- diseases caused by Mycoplasma nu monnier include, but are not limited to, Mycoplasma pneumonia, asthma, and neurological diseases.
- subject refers to a mammal (eg, human, monkey, urushi, horse, hidge, usagi, rat, mouse, etc.) that may be infected with Mycoplasma pneumoniae.
- a mammal eg, human, monkey, urushi, horse, hidge, usagi, rat, mouse, etc.
- it is a human, most preferably a human that is infected with Mycoplasma pneumoniae, a human that may be suffering from a disease that causes Mycoplasma pneumoniae, or Mycoplasma pneumoniae means a human suffering from a disease caused by pneumoniae.
- sample refers to a body fluid collected from a subject, such as whole blood, plasma, serum, joint fluid, spinal fluid, saliva, amniotic fluid, urine, sweat, sputum fluid, lubrication. It includes fluids, tissues, cells, etc.
- the diagnosis and prediction method for diseases caused by Mycoplasma pneumoniae based on the detection of autoantibodies in a sample derived from a subject according to the present invention is obtained from a subject having such a disease and a disease-free control. Confirmed by use of biological samples.
- a biological sample, such as serum, that may contain autoantibodies is obtained from a subject suspected of having a particular disease or predisposed to developing the disease. The same body fluid is obtained from a disease free control.
- the measurement of autoantibodies reactive with the Daricello type glycolipid antigen of the present invention can be used for the initial diagnosis of diseases such as mycoplasma pneumonia. Furthermore, monitoring of autoantibody levels can be used to proactively reveal disease progression.
- Glyce mouth type glycolipid of the present invention in a sample for example, a serum sample derived from a subject
- Detection of autoantibodies against can be performed in any of a number of ways. Such methods include, but are not limited to, immunoblotting, Western blot, radioimmunoassay, ELISA (solid phase enzyme immunoassay), “sandwich” immunoassay, immunoprecipitation assay. Precipitation reaction, gel diffusion precipitation reaction, immunodiffusion assay, aggregation assay, complement binding assay, immunoradiometric assay, fluorescent immunoassay, protein A immunoassay, and the like.
- a sample derived from a subject is brought into contact with the glyceglycoglycolipid antigen of the present invention or a composition containing the same under conditions that cause specific antigen-antibody binding, and immunospecificity by autoantibodies is achieved. It is performed by a method consisting of detecting binding or measuring its amount.
- autoantibody binding by tissue sections can be used, for example, to detect the presence of autoantibodies, wherein autoantibody detection is a disease state. Indicates.
- the level of autoantibodies in the serum sample is compared to the level present in homologous serum samples from subjects without disease.
- Imuno Assy can be implemented in various ways.
- one method for carrying out such an assembly is to tether the glyceglycoglycolipid of the present invention on a solid support and detect an anti-glycepologous phospholipid antibody that specifically binds to it. Including.
- the method for measuring an anti-glyce mouth type glycolipid antibody in a sample includes the following steps, for example:
- step (2) A step (secondary reaction) in which the immune complex produced in the step (1) is reacted with a labeled anti-human immunoglobulin antibody to form an immune complex.
- a step of washing the solid phase after the primary reaction may be added between the steps (1) and (2) as necessary. Further, the steps (1) and (2) may be performed simultaneously. Moreover, in the measurement of the anti-glycose mouth glycolipid antibody in the biological sample of the present invention, it may be reacted with a biotinylated anti-human immunoglobulin antibody or the like in a secondary reaction.
- an immune complex produced by a secondary reaction (a complex containing the glyce mouth type glycolipid of the present invention, an anti-glyce mouth type glycolipid antibody, and a piotinylated anti-human immunopurine antibody) and (Strebut)
- a reaction with an avidin-labeled antibody may be performed, and the amount of the avidin-labeled antibody in the produced immune complex may be measured.
- (labeled) Abutama which reacts with an anti-glyce mouth type glycolipid antibody, can be used instead of the (labeled) anti-human immunoglobulin antibody.
- the primary reaction may be performed in an aqueous medium (eg, in the liquid phase within the well) or in a dry medium (eg, on a solid support).
- a solid phase on which the Daricello-type glycolipid of the present invention is immobilized include, for example, polystyrene plates such as a microtiter plate, particles (beads) made of glass or synthetic resin, and spherical particles made of glass or synthetic resin. Examples include various types of materials (balls), lattices, magnetic particles, nitrocellulose membranes, synthetic resin test tubes, silica gel plates, and the like.
- the secondary reaction may be performed in an aqueous medium or a dry medium.
- Examples of the method for measuring the amount or activity of the label in the immune complex formed on the solid phase by the secondary reaction include an absorbance method (colorimetric method), a fluorescence method, a luminescence method, and a radioactivity method. It is done.
- the label is an enzyme
- the enzyme activity in the immune complex can be measured by reacting the enzyme substrate with the enzyme and measuring the produced substance.
- the reaction between the enzyme substrate and the enzyme is preferably carried out in an aqueous medium.
- Subjects who have been determined to be infected with Mycoplasma pneumoniae by the above methods or who have been diagnosed with a disease causing Mycoplasma pneumoniae can be treated appropriately. 4.
- the present invention provides a composition containing the glyce mouth type glycolipid of the present invention.
- the present invention also provides a diagnostic agent for a disease caused by Mycoplasma pneumoniae, which contains the Daricero-type glycolipid of the present invention.
- the present invention provides a kit for diagnosing a disease caused by Mycoplasma pneumoniae, which contains the glyceroglycolipid of the present invention or the composition of the present invention.
- the composition containing the glyce mouth type glycolipid of the present invention may contain a suitable carrier, excipient, buffer, diluent and the like.
- the composition of the present invention can be used for administration to animals such as mice, rats, and rabbits, for example, for the purpose of producing an antibody against the glycosylated glycolipid of the present invention.
- the composition of the present invention comprises an antibody against a glyceglycoglycolipid of the present invention in a sample (for example, an anti-Ga1j3-6Ga1] 3-3 DAG antibody or an anti-G1cj3-6G a 1/3-3 DAG antibody).
- the composition of the present invention can be used as a diagnostic agent for diseases caused by Mycoplasma pneumoniae.
- composition of the present invention can also be included in a kit for diagnosis of a disease caused by Mycoplasma pneumoniae.
- the diagnostic agent and kit of the present invention containing the glyceroglycolipid of the present invention is used according to the method for measuring an anti-glyceglycoglycolipid antibody described above.
- the kit of the present invention may further contain an anti-human immunoglobulin antibody labeled with biotin or the like for the secondary reaction described above.
- the glyce mouth type glycolipid of the present invention is made of, for example, a polystyrene plate such as a microtiter plate, glass or a composite.
- the kit of the present invention may also contain a buffer solution for use as a liquid phase for carrying out the reaction. Further, the kit of the present invention may include an instruction manual by the manufacturer.
- the present invention also includes, in one embodiment, the step of binding the glyceguchi glycolipid of the present invention or the composition containing the glycemouth glycolipid of the present invention to a suitable support or carrier. ⁇ Provide a method for producing diagnostic agents for diseases caused by pneumoniae.
- insoluble polysaccharides such as agarose, dextran, and cellulose
- synthetic resins such as polystyrene, polyacrylamide, and silicon, or glass
- the present invention provides an antibody that specifically binds to the glyceglycoglycolipid of the present invention. Since the antibody of the present invention has reaction specificity for the glyce mouth type glycolipid unique to Mycoplasma pneumoniae (the glycero type glycolipid of the present invention), it is used to immunize the glyce mouth type glyco lipid in the sample. Can be measured scientifically. The antibody of the present invention can be used for diagnosis of diseases caused by Mycoplasma pneumoniae.
- the antibody of the present invention is used to immunize an animal using the glyceroglycolipid of the present invention derived from Mycoplasma pneumoniae as an antigen, and to collect serum from the animal, or to collect antibody-producing cells of the animal, and permanently It can be obtained by culturing and recovering from the culture.
- the method for preparing the antibody of the present invention is exemplified, but the present invention is not limited thereto. If the Mycoplasma pneumoniae glyce mouth type glycolipid of the present invention is used as an antigen, It may be prepared by other methods.
- lipid extract of Mycoplasma pneumoniae obtained as described in the examples below, monophosphate lipid, Freund complete adjuvant, and mineral oil are added and mixed. Emulsify with PBS (phosphate buffered saline) containing 1% (v / v) Tween 80.
- PBS phosphate buffered saline
- the obtained emulsion is administered subcutaneously or intraperitoneally to a mouse, rat, rabbit, guinea pig, sheep, etc.
- booster sera with high titers can be obtained by boosting in the usual manner 2-3 weeks.
- Blood is collected 1 week after the final immunization and serum is separated.
- the serum is heat-treated to inactivate complement, and then the immunoglobulin fraction is obtained by the same method as usual antibody purification, such as salting out with ammonium sulfate and ion exchange chromatography.
- an antibody “specifically binds” to a certain antigen means that the antibody is another substance (for example, the glyceport of the present invention). It binds with a substantially higher affinity for the antigen than its affinity for other glyceose-type glycolipids other than type glycolipids).
- substantially high affinity means an affinity that is high enough to be detected separately from the specific antigen by a desired measuring device, and typically has a binding constant ( K a ) is at least 1 0 7 M—preferably at least 1 0 8 M- ⁇ , more preferably 1 0 9 M—even more preferably 1 0 1 ° M _ 1 1 0 1 X M ⁇ ⁇
- K a binding constant
- Mycoplasma ⁇ A purified book instead of a lipid extract of Humonier
- a polyclonal antibody having reaction specificity to the glyce mouth type glycolipid of the present invention can be obtained.
- Monoclonal antibodies can be obtained by the method of Köhler and Milstein (Natre, 495-492, pp. 1975).
- a hybridoma is produced by fusing a mammalian antibody-producing cell that produces an antibody against a glycosylated glycolipid with a myeloma cell, and a hybridoma that produces the target antibody is cloned.
- monoclonal antibodies are obtained in the culture medium. The following is a breakdown of each process.
- mice that produce antibodies against glyceroglycolipids immunize mice, rats, rabbits, guinea pigs, and hidges with glyce mouth type glycolipids, and spleen cells, lymph node cells, peripheral blood, etc. It is obtained by preparing. In order to immunize the above-mentioned animal with a glyce mouth type glycolipid, it may be carried out in the same manner as (1).
- an animal may be immunized with the purified glyce mouth type glycolipid of the present invention.
- a hybridoma is prepared using antibody-producing cells of an animal immunized with the mixture, and a strain that produces a monoclonal antibody having reaction specificity for the daricero-type glycolipid of the present invention is selected from the resulting hybridoma. Also good.
- Antibody-producing cells are collected from animals immunized with Daricello glycolipid, JP2007 / 062358 Cell fusion with cells.
- various mammalian cell lines can be used for the myeloma cells used for cell fusion, it is preferable to use a cell line of the same type of animal as that used for the preparation of antibody-producing cells.
- the myeloma cell line is a marker that allows unfused myeloma cells to survive and only the hybridomas to grow so that unfused and fused cells can be distinguished after cell fusion. It is preferable to use what has.
- 8-azaguanine resistant strains are deficient in hypoxanthine-guanine monophosphoribosyltransferase (HGPRT) and nucleic acid synthesis is dependent on the denoVo synthesis pathway.
- HGPRT hypoxanthine-guanine monophosphoribosyltransferase
- nucleic acid synthesis is dependent on the denoVo synthesis pathway.
- myeloma cells and normal antibody-producing cells hyperridoma
- aminopterin in a medium containing hypoxanthine, aminopterin, and thymidine (HAT medium). Since thymidine and hypoxanthine are present, nucleic acid can be synthesized by a lymphocyte-derived salvage circuit, so that proliferation is possible.
- 8-azaguanine-resistant myeloma cells are also blocked by aminopterin to inhibit the denovo synthesis pathway, and thus die without being able to synthesize nucleic acids, and antibody-producing cells that are normal cells cannot be cultured for a long time. Therefore, since only the hybridoma produced by fusion of antibody-producing cells and myeloma cells can grow in HAT medium, it is possible to select fused cells from non-fused cells (Science No. 1 45 5 7 0) 9 pages, 1 9 6 4 years). In addition, it is preferable to use a strain that does not secrete intrinsic immunoglobulin as the myeloma cell because the target antibody can be easily obtained from the culture supernatant of the hybridoma.
- cell fusion to obtain a hybridoma is performed as follows. Remove the spleen from the immunized animal and prepare a cell suspension by suspending it in RPMI 1640 medium. Spleen cells and mouse myeloma cells in logarithmic growth phase, eg SP2 / 0 cells (azaguanine resistant, Ig non-secreted: ATCC CRL-1581), splenocytes and myeloma cells are 10: 1 to 1 : Mix to about 1 and centrifuge, then add polyethylene glycol with an average molecular weight of 1, 00 to 6, 0, 00 to the sediment to a final concentration of 30 to 50% Fusing cells Let Instead of adding polyethylene glycol, the cell mixture may be fused by applying an electric pulse.
- SP2 / 0 cells azaguanine resistant, Ig non-secreted: ATCC CRL-1581
- splenocytes and myeloma cells are 10: 1 to 1 : Mix to about 1 and centrifuge, then
- the cells after the fusion treatment are cultured in RPMI1640 medium containing 10% (v / v) fetal calf serum (FCS) and then suspended in a selective medium such as HAT medium. Dispense into plates and culture to grow only hybridomas.
- FCS fetal calf serum
- the dalyceroglycolipid of the present invention is selected from these.
- Monoclonal antibodies with reaction specificity against eg G a 1] 3 _ 6 G a 1] 3-3 DAG or G lc j3-6 G a 1 j3-3 DAG
- a strain that produces a monoclonal antibody is selected. Further, it is preferable to select a strain that produces a monoclonal antibody against an antigen-determining site having strong antigenicity among the monoclonal antibodies that bind to the Daricello glycolipid of the present invention.
- Strains that produce monoclonal antibodies against Daricello glycolipid can be selected by enzyme immunization using these as antigens.
- an ELISA method that is, an antigen is immobilized on a microtiter plate or the like, a hybridoma culture solution is added thereto, and a secondary antibody labeled with an enzyme, a fluorescent substance, a luminescent substance or the like is further added.
- a method of detecting antibodies by incubating and binding the labeled substance. At that time, the antibody may be immobilized on a solid phase, and then an antigen and a labeled secondary antibody may be sequentially added thereto and incubated.
- the ELISA method will be described in detail later.
- cloning is performed from the cells of the well that contained the hybridoma by limiting dilution.
- the monoclonal antibody of the present invention can be obtained in the culture supernatant. Furthermore, it is possible to purify monoclonal antibodies by conventional methods such as ammonium sulfate salting-out, ion exchange chromatography, affinity chromatography using protein A or protein G, or immunoadsorption chromatography with immobilized antigen. it can.
- a monoclonal antibody against the glyceroglycolipid of the present invention specifically binds to the glyceglycoglycolipid of the present invention. Therefore, preferably, such a monoclonal antibody is a sialic acid-containing glycolipid (ganglioside), platelet activating factor (1—alkyl 1—2—) present in the serum of a healthy person not infected with Mycoplasma pneumoniae. (Cetyldaricello 3-phosphophospholine) or its partially deacylated product, phosphatidylcholine or its partially deacylated product, or a glycolipid such as sphingomyelin and phospholipids and does not cross-react.
- ganglioside sialic acid-containing glycolipid
- platelet activating factor (1—alkyl 1—2— present in the serum of a healthy person not infected with Mycoplasma pneumoniae.
- the monoclonal antibody of the present invention can be used as it is, Fragmented ones can also be used. Conservation of the antigen-binding site (F ab) of the antibody during antibody fragmentation is essential for the binding between the antigen and the antibody, and thus a protease that does not degrade the antigen-binding site (eg, plasmin, pepsin, A fragment containing an antigen binding site (F ab) obtained by treating an antibody with papain can be used. Examples of antibody fragments include Fab, Fab ′ 2 and CDR. In addition, humanized antibodies, multifunctional antibodies, single chain antibodies (S c F v), and the like can also be used in the present invention.
- the class of the antibody is not particularly limited and includes antibodies having any isotype such as IgG, IgM, IgA, IgD, or IgE. Preferably, it is 1 ⁇ 0 or 1 ⁇ M, and considering the ease of purification, etc., more preferably I G G.
- a fragment containing the antigen binding site can be prepared by genetic engineering. .
- the present invention provides a composition containing an antibody against the glyceglycoglycolipid of the present invention.
- the composition of the present invention may contain suitable carriers, excipients, buffers, diluents and the like.
- the carrier for example, insoluble polysaccharides such as agarose, dextran, and cellulose, synthetic resins such as polystyrene, polyacrylamide, and silicon, or glass can be used.
- composition of the present invention can be used to detect the glyce mouth type glycolipid of the present invention in a sample.
- the composition of the present invention can be used for diagnosis of a disease caused by Mycoplasma pneumoniae by detecting the Daricello-type glycolipid of the present invention in a biological sample.
- the present invention also provides a Mycoplasma pneumoniae characterized by the presence of the glyceportose glycolipid of the present invention in a sample derived from a subject.
- An agent or kit for diagnosing a pathogenic disease is provided, and the agent or kit contains the anti-glyceglycoglycolipid antibody of the present invention or a composition containing the antibody.
- the present invention also provides a method for producing a diagnostic agent for a disease caused by Mycoplasma pneumoniae, which comprises the step of binding an antibody of the present invention or a composition comprising the antibody of the present invention to an appropriate support or carrier. Provide a method.
- the kit of the present invention is used in accordance with an immunoassay. If necessary, the kit of the present invention reacts with the glyce mouth type glycolipid of the present invention when detecting a glyce mouth type glycolipid or Mycoplasma pneumoniae in a subject by an immunological method.
- An antibody having specificity, and a secondary antibody obtained by labeling an antibody against the immunoglobulin of the immunized animal prepared using an animal other than the immunized animal used for the preparation of the antibody with a labeling substance. .
- kits include microtiter plates, blocking reagents such as BSA (cull serum albumin), glyce mouth type glycolipid of the present invention (standard substance), antibody of the present invention, peroxidase-labeled anti-mouse Ig
- BSA cull serum albumin
- glyce mouth type glycolipid of the present invention standard substance
- antibody of the present invention peroxidase-labeled anti-mouse Ig
- kits consisting of G antibody, hydrogen peroxide, OPD, and washing buffer.
- Antibodies, Mycoplasma pneumoniae Darissello-type glycolipids and the like are preferably dissolved in a lyophilized product or in a solvent that can stably store them.
- the kit of the present invention may further include instructions from the manufacturer.
- Examples of the immunological measurement method used in the present invention include usual immunological methods using antibodies, such as ELISA and immunostaining.
- a sample liquid is brought into contact with a solid phase to which an anti-glyce mouth type glycolipid antibody is bound to bind the glyce mouth type glycolipid contained in the sample liquid to the antibody, and non-adsorbed components are separated and removed from the solid phase.
- the glyce mouth type glycolipid of Mycoplasma nuemone labeled with a labeling substance is brought into contact with the solid phase and contained in the sample liquid.
- the sample liquid by detecting either the labeled substance bound to the solid phase or the labeled substance not bound to the solid phase by competitively reacting the glycated mouth type glycolipid and the labeled glyce mouth type glycolipid. It is possible to measure glyce mouth type glycolipids.
- a sample liquid and a glyce mouth type glycolipid labeled with a labeling substance are brought into contact with a solid phase to which an anti-glyce mouth type glycolipid antibody is bound, and the glyce mouth type glycolipid contained in the sample liquid is contacted.
- a labeled glyceglycoglycolipid by competitive reaction with the antibody, and detecting either the labeled substance bound to the solid phase or the labeled substance not bound to the solid phase, thereby detecting the glycemic saccharide in the sample. Lipids can be measured.
- a non-labeled standard glyce mouth type glycolipid was used in place of the labeled glyce mouth type glycolipid, and after a competitive reaction between the glyce mouth type glycolipid in the sample and the standard glyce mouth type glycolipid, Further, an anti-glyce mouth type glycolipid antibody labeled with a labeling substance may be brought into contact with the solid phase to detect either the labeling substance bound to the solid phase or the labeling substance not bound to the solid phase. In this case also, a labeled secondary antibody may be used.
- the glyce mouth type glycolipid in the sample liquid is bound to the solid phase, and the labeled anti-glyce mouth type glycolipid antibody is brought into contact therewith, and the labeling substance bound to the solid phase or the labeling substance not bound to the solid phase Either of these may be detected.
- any method can be applied to the present invention.
- a method used for immunoassay of a hapten or an antigen for example, a glyce mouth sugar labeled with a glyce mouth glycolipid in a sample with respect to the antibody.
- the solid phase is of a normal material and form (particles, microparticles, test tubes, microtiter plates, strips, etc.) such as agarose beads, latex particles, polystyrene, nylon microtiter plate tools, etc. Is mentioned. Bind antibody or glyce mouth type glycolipid to solid phase It is preferable to perform blocking using BSA (usi serum albumin), gelatin or the like.
- BSA usi serum albumin
- the labeling substance include peroxidase, alkaline phosphatase and the like, enzymes capable of coloring pigments by enzymatic reaction, radioisotopes, and fluorescent dyes such as fluorescein thiothionate.
- Dye is 4 1-naphthol, O-phenylenediamine (OPD) or 3,3, diaminobenzidine for peroxidase, p-nitrophenyl phosphate for anoleculic phosphatase, etc. Is used.
- the glyce mouth type glycolipid according to the present invention is peculiar to Mycoplasma pneumoniae
- the presence of glyceroglycolipid or the amount of the glycero type glycolipid is measured by measuring the dalycero type glycolipid in the sample by the above method.
- Mycoplasma pneumoniae can also be detected by correlating the presence or amount of mycoplasma pneumoniae in the medium.
- Examples of the specimen in the method for measuring the dalyceroglycolipid or the method for detecting Mycoplasma pneumoniae include blood, serum, plasma, cerebrospinal fluid, urine, joint fluid, or cell culture fluid (supernatant).
- living tissue or cells can be reacted with an anti-glyceroglycolipid antibody labeled with a labeling substance as it is or after glyceport-type glycolipid immobilization treatment, and then infected with Mycoplasma pneumoniae. It is also possible to detect Mycoplasma pneumoniae by binding a labeled antibody to tissue or cells and measuring the labeling substance.
- the fixing method include a method using formalin, dartaldehyde, paraformaldehyde, and the like.
- the non-labeled anti-glycose mouth glycolipid antibody is allowed to react with the living tissue or cells immobilized, and at the same time or after that, Prepared by reacting a secondary antibody labeled with an antibody against the immunoglopurin of the immunized animal prepared by using an animal other than the immunized animal used for the preparation with a labeling substance, the biological tissue or cells infected with Mycoplasma pneumoniae A labeled secondary antibody may be bound and the labeling substance may be measured.
- G a 1 i3-6 G a 1 j8 — 3 DAG and G lc i3-6 G a 1 — G a 1 6 G a 1 j3 — 3 DAG and G lc j3 _ 6 G a 1 ⁇ -3 ⁇ ⁇ G can be measured using antibodies with reaction specificity against both 3 DAGs.
- G a 1 j8-6 G a 1 J3-3DAG or Glcj3-6Ga1 ⁇ -3DAG can be selectively measured.
- G a 1 ⁇ -6 G obtained as described in Examples a 1 j3-3 DAG or G lc i3-6 G a 1 ⁇ -3 D AG can be used as a standard substance.
- the culture of My cop la sap a n e u m o n i ae (M a c s tr a i i n) in P P L O medium was performed as follows. Incubated at 37 ° C in a liquid medium containing 10% bovine serum, 10% penicillin, ⁇ 0.02% phenol red and 1% glucose in PPLO liquid basal medium (Difco) . After confirming the growth of the microorganisms by changing the pH of the medium, the mixture was centrifuged at 16,00 0 Xg for 1 hour. This operation was repeated once again to obtain a sample for fat extraction. The lipid fraction was extracted with a mixed solvent of black mouth form and methanol from 200 L (wet volume) of the microbial sample.
- the sample was suspended in methanol and allowed to acclimate for 4 hours. Double the amount of black Mouth form was added, the cells were crushed with ultrasound, and left for another 4 hours. Centrifugation was performed at 30 OO rpm, and the supernatant was collected and concentrated to obtain a lipid fraction sample.
- This lipid sample was separated and purified by force lam chromatography packed with Siri force gel using chloroform and methanol. As the first step, the mixing ratio of black mouth form: methanol monole is 9: 1, 8: 2, 7: 3, 6: 4, 5: 5, 4: 6, 3: 7, 2: 8, Fractionation into 10 fractions with 1: 9 and 0: 1 0 solvents.
- the first stage contains 33 mg, 79 mg, 2 mg, 5 mg, 2 mg, 4 mg, 4 mg, 2 mg, 6 mg, 0 mg (no b recovered) respectively 1 0 fractions were obtained.
- One of these fractions, 79 mg was fractionated into 6 fractions in the second stage, and the second fraction obtained was further fractionated into 6 fractions in the third stage. Glycolipids 1 and 2 were obtained as the fraction obtained. Yield was 15 mg.
- Figure 2 shows a lipid sample developed by thin-phase chromatography (TLC) and stained with orcinol reagent.
- Lane 1 is the lipid fraction extracted from the cells before purification
- Lanes 2 to 10 are the respective fractions separated by the first column chromatography
- Lane 11 is the objective obtained after three stages of purification. It is a glycolipid fraction.
- the sugar moiety consists of one type of gnolecose and three types of galactose. Tons were observed. Glucose appeared to have a non-reducing end and two of the galactoses had a substituent at the 6-position.
- Figure 3 shows the DQ F—COS Y spectrum measured in DMS O_d 6 100%, which lists the OH protons.
- the obtained lipid fraction was analyzed by ESI-MS measurement.
- Figure 4 shows the spectrum chart.
- the positive mode was measured under sodium-added conditions, and peaks m / z 9 15 (M + 2 3) and 9 4 3 (M, + 2 3) corresponding to molecular ions were observed. These are due to differences in the composition of fatty acids, the former being C 16: 0/16: 0 (1 0 0%) and the latter being C 1 6: 0/1 8: 0 (30%) Was expected.
- MS / MS was performed on these molecular fragments, a fragment in which the fatty acid, sugar moiety and glycerol moiety were eliminated from the skeleton of hexose-hexadiacylglycerol was observed. It was obtained.
- molecular ion peaks m Z z 8 9 1 (M-1) and 9 1 9 ( ⁇ '— 1) were observed, and the same consistent results were obtained in the M S / M S measurements.
- each skeleton was synthesized stereochemically and regioselectively by chemical synthesis.
- Table 2 shows attribution data for each of the protons of natural products and synthetic products (synthe size ⁇ ). The spectral ppm values and coupling constants (J Hz) were consistent and the shape was the same.
- Two types of ELISA kits were prepared using G lc
- 8— 30 0 was prepared to be 5 ⁇ ⁇ / 111 (methanol: acetonitrile solution), and this solution was placed on an immunoplate for ELISA (flat bottom). Plates with G lc
- ELISA protocol Develop 100 ⁇ L of blocking solution on the measurement well, incubate for 1 hour at room temperature, wash, spread 100 L of the sample solution to be measured, and incubate for 2 hours at room temperature. (Measurement was performed in duplicate). Thereafter, the plate was washed, and then 100 ⁇ L of peroxidase-labeled IgM antibody solution was applied thereto and incubated at room temperature for 2 hours. After washing, the soot solution was added as a chromogenic substrate and allowed to react for 15 minutes. Then, the reaction was stopped with 1% sulfuric acid aqueous solution, and the absorbance was measured.
- Fig. 6 shows the results of ELISA measurement using G lc j3-6 Ga 1 j3 _ 3 DAG, showing the score distribution in the disease group and non-disease group (healthy people).
- Figure 7 shows this 62358 This is a Roc curve showing the measurement result as a value of sensitivity versus false positive rate.
- Mycoplasma pneumoniae glycolipid antigen GlcGL was used to produce gold colloid label.
- the 10 g / ml GlcGL antigen (1 ml) and the gold colloid solution (1 ml) described in (1) above were mixed and allowed to stand at room temperature for 30 minutes to bind the antigen to the surface of the gold colloid particles.
- BSAJ sushi serum albumin
- This solution is centrifuged (8000XG, 10 minutes) to precipitate the gold colloid-labeled antigen, washed 3 times with 50 mM Tris-HCl buffer (pH 7.4), the supernatant is removed, and the gold colloid standard is precipitated. The antigen was obtained.
- the gold colloid-labeled antigen was suspended in 50 mM Tris-HCl buffer (pH 7.4) containing 1% saccharose and 0.5% BSA to obtain a gold colloid-labeled antibody solution.
- the immunochromatographic test strip shown in Fig. 8 was prepared according to the following procedure.
- An elongated strip-shaped nitrocellulose membrane having a width of 5 mm and a length of 36 mm was prepared as a membrane carrier 3 for chromatographic development of a chromatographic medium.
- a solution 41 containing 2 mg / ml of anti-human IgM antibody was applied in a line at a position 7.5 mm from the end of the chromatographic development membrane carrier 3 on the side of the chromatographic development start side. It was dried at room temperature for 3 days, and used as a capture site 3 1 of the complex of anti-mycoplasma pneumoniae antibody and gold colloid-labeled antigen.
- a 5 ram X 15rani strip-shaped glass fiber nonwoven fabric was impregnated with a gold colloid-labeled antigen solution 40 ⁇ 1 and dried at room temperature to obtain a gold colloid-labeled antibody-impregnated member 2.
- Pneumonia patient sera were diluted with specimen diluent, adjusted to various concentrations, and used as test samples. Then, 40 l of the test sample was dropped onto the sample addition member 5 of the test strip obtained in (3) above with a pipette at the mouth of the microphone and chromatographed. After standing at room temperature for 10 minutes, 3 Anti-mycoplasma captured in 1- The captured amount of the complex of the pneumoniae-specific antibody and the gold colloid-labeled antigen was observed with the naked eye. The amount of capture is increased or decreased in proportion to the amount of reddish purple, with the naked eye, one (no coloring), soil (weak coloring), + (clear coloring), +
- Emanoregion containing Mycoplasma pneumoniae cells was injected subcutaneously into 7-week-old female BALB / c mice at 0.5 ml per mouse. At 2 and 3 weeks after the first immunization, 0.5 ml of each emulsion prepared as described above was injected subcutaneously and intraperitoneally.
- spleen was removed from the mouse, and a cell suspension was prepared using RPMI1640 medium.
- splenocytes were mixed with logarithmically growing mouse myeloma SP2 / 0 cells (2 X 10 7 cells), and after centrifugation, 45% polyethylene glycol (PEG4000 (Wako Pure) (Manufactured by Yakuhin Co., Ltd.) lml was added with gentle shaking over 1 minute, and then incubated for 2 minutes with shaking at 37 ° C, to which 1 ml of RPMI1640 medium was added over 1 minute. In addition, 8 ml was added over 3 minutes.
- PEG4000 Polyethylene glycol
- the cells were suspended in 50 ml of RPMI1640 medium containing 10% fetal calf serum (FCS), and 9 6-well mic mouthplates were added to 1 plate.
- ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ was dispensed per well and cultured in a carbon dioxide incubator (5% carbonate gas, 37 ° C). 2
- HAT medium containing hypoxanthine, aminopterin, and thymidine, 10% (V / V) FCS medium
- Cultivated On the fourth day, fresh HAT media was added at 100 per well.
- Cloning of the hybridoma producing the antibody was repeated by limiting dilution, and screening was performed by ELISA using Mycoplasma pneumoniae cells as antigens to obtain the reactive hyperlipidomas G1E6 and M2F8.
- the G1E6 and M2F8 strains were cultured in RPMI1640 medium containing 10% (V / V) FCS, and the culture supernatant was recovered to obtain a culture solution containing a monoclonal antibody.
- Monoclonal antibodies purified by ammonium sulfate fraction were subjected to ELISA (described below) using Ga 1 jS 1-6 G a 1 — 3 DAG and G lc j3 1-6 G a 1 ⁇ -3 DAG as antigens. The local antibody reacted with both GalGL and GulGL. The results are shown in FIG.
- Goat ant i-mouse IgG-HRP [ZYMED Laboratori es, cat. # 81— 6520]
- Goat-ant i / IgM (using Blocking One diluted 20-fold with 0.05% Tween20 in PBS as a dilution) is dispensed at 100 / z for each well. Poured and left at 30 ° C for 1 hour.
- the glyceroglycolipid of the present invention is a major antigen of Mycoplasma pneumoniae, it serves as a molecular basis for detecting this microorganism with high sensitivity and accuracy. Therefore, it is possible to develop an accurate diagnosis method for diseases caused by Mycoplasma pneumoniae using this glycolipid.
- the glyceroglycolipid of the present invention can be used as a marker for diagnosis of diseases caused by Mycoplasma pneumoniae.
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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US12/304,550 US8367076B2 (en) | 2006-06-14 | 2007-06-13 | Glyceroglycolipid antigen of Mycoplasma pneumoniae |
KR1020097000608A KR101488536B1 (ko) | 2006-06-14 | 2007-06-13 | 미코플라스마·뉴모니애의 글리세로형 당지질 항원 |
JP2007536522A JP4646985B2 (ja) | 2006-06-14 | 2007-06-13 | マイコプラズマ・ニューモニエのグリセロ型糖脂質抗原 |
EP07745525.1A EP2048239B1 (en) | 2006-06-14 | 2007-06-13 | Glyceroglycolipid antigen of mycoplasma pneumoniae |
CA2690709A CA2690709C (en) | 2006-06-14 | 2007-06-13 | Glyceroglycolipid antigen of mycoplasma pneumoniae |
AU2007259623A AU2007259623B2 (en) | 2006-06-14 | 2007-06-13 | Glyceroglycolipid antigen of Mycoplasma pneumoniae |
US13/729,265 US20130217031A1 (en) | 2006-06-14 | 2012-12-28 | Glyceroglycolipid antigen of mycoplasma pneumoniae |
US16/234,477 US10870669B2 (en) | 2006-06-14 | 2018-12-27 | Method for producing an isolated monoclonal antibody specifically binding to a glycolipid antigen of mycoplasma pneumoniae |
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JP2006164722 | 2006-06-14 |
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US12/304,550 A-371-Of-International US8367076B2 (en) | 2006-06-14 | 2007-06-13 | Glyceroglycolipid antigen of Mycoplasma pneumoniae |
US13/729,265 Continuation US20130217031A1 (en) | 2006-06-14 | 2012-12-28 | Glyceroglycolipid antigen of mycoplasma pneumoniae |
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JP (2) | JP4646985B2 (ja) |
KR (1) | KR101488536B1 (ja) |
CN (2) | CN101501208A (ja) |
AU (1) | AU2007259623B2 (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009007279A (ja) * | 2007-06-27 | 2009-01-15 | M Bio Tech Kk | マイコプラズマニューモニエ特異抗原糖脂質の合成方法 |
JP2013083644A (ja) * | 2011-10-07 | 2013-05-09 | Korea Center For Disease Control And Prevention | 血液内アミロイドβ抗体に特異的に結合する新規なAβ22(pE)−42ペプチドを有効成分として含む痴呆症診断用キット |
US9539209B2 (en) | 2009-06-04 | 2017-01-10 | National Institute Of Infectious Diseases | Vaccine for mycoplasma infection |
Families Citing this family (6)
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CA2690709C (en) * | 2006-06-14 | 2015-11-24 | Kazuhiro Matsuda | Glyceroglycolipid antigen of mycoplasma pneumoniae |
RU2484095C1 (ru) * | 2011-12-30 | 2013-06-10 | Общество с ограниченной ответственностью "Технофарма" | НАНОАНТИТЕЛА aMh1, aMh2, СВЯЗЫВАЮЩИЕ АНТИГЕН MYCOPLASMA HOMINIS, СПОСОБ ИХ ПОЛУЧЕНИЯ, СПОСОБ ЛЕЧЕНИЯ ИНФЕКЦИИ, ВЫЗВАННОЙ MYCOPLASMA HOMINIS |
RU2562158C2 (ru) * | 2013-12-02 | 2015-09-10 | федеральное государственное бюджетное учреждение "Федеральный научно-исследовательский центр эпидемиологии и микробиологии имени почетного академика Н.Ф. Гамалеи" Министерства здравоохранения Российской Федерации (ФГБУ "ФНИЦЭМ им.Н.Ф.Гамалеи" Минздрава России) | Рекомбинантная псевдоаденовирусная частица, продуцирующая модифицированные наноантитела, узнающие микоплазму m.hominis, фармацевтическая композиция на ее основе и способ ее использования для терапии микоплазмозов |
JP6655302B2 (ja) * | 2015-05-29 | 2020-02-26 | デンカ生研株式会社 | 被検対象の検出方法並びにそのための免疫測定器具及びモノクローナル抗体 |
CN110338138B (zh) * | 2019-06-19 | 2021-04-06 | 山东省农业科学院奶牛研究中心 | 一种牛支原体感染豚鼠的动物模型构建方法及其应用 |
JP2019207248A (ja) * | 2019-07-29 | 2019-12-05 | デンカ生研株式会社 | 被検対象の検出方法並びにそのための免疫測定器具及びモノクローナル抗体 |
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US5622701A (en) * | 1994-06-14 | 1997-04-22 | Protein Design Labs, Inc. | Cross-reacting monoclonal antibodies specific for E- and P-selectin |
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2012
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009007279A (ja) * | 2007-06-27 | 2009-01-15 | M Bio Tech Kk | マイコプラズマニューモニエ特異抗原糖脂質の合成方法 |
US9539209B2 (en) | 2009-06-04 | 2017-01-10 | National Institute Of Infectious Diseases | Vaccine for mycoplasma infection |
US10232026B2 (en) | 2009-06-04 | 2019-03-19 | National Institute Of Infectious Diseases | Vaccine for mycoplasma infection |
JP2013083644A (ja) * | 2011-10-07 | 2013-05-09 | Korea Center For Disease Control And Prevention | 血液内アミロイドβ抗体に特異的に結合する新規なAβ22(pE)−42ペプチドを有効成分として含む痴呆症診断用キット |
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Publication number | Publication date |
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EP2048239A1 (en) | 2009-04-15 |
CA2690709A1 (en) | 2007-12-21 |
US20090263823A1 (en) | 2009-10-22 |
AU2007259623A1 (en) | 2007-12-21 |
CN104693248B (zh) | 2018-01-05 |
KR101488536B1 (ko) | 2015-02-10 |
JP2011079830A (ja) | 2011-04-21 |
US8367076B2 (en) | 2013-02-05 |
JP4646985B2 (ja) | 2011-03-09 |
US20190161512A1 (en) | 2019-05-30 |
CA2690709C (en) | 2015-11-24 |
US20130217031A1 (en) | 2013-08-22 |
JPWO2007145362A1 (ja) | 2009-11-12 |
EP2048239A4 (en) | 2010-06-23 |
CN101501208A (zh) | 2009-08-05 |
AU2007259623B2 (en) | 2013-03-14 |
CN104693248A (zh) | 2015-06-10 |
EP2048239B1 (en) | 2015-08-12 |
US10870669B2 (en) | 2020-12-22 |
KR20090024253A (ko) | 2009-03-06 |
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