WO2005093412A1 - ポリアミン、アクロレインの含有量又はポリアミンオキシダーゼ活性又はその蛋白質量を指標とした脳卒中・無症候性脳梗塞の診断方法 - Google Patents
ポリアミン、アクロレインの含有量又はポリアミンオキシダーゼ活性又はその蛋白質量を指標とした脳卒中・無症候性脳梗塞の診断方法 Download PDFInfo
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- WO2005093412A1 WO2005093412A1 PCT/JP2005/006429 JP2005006429W WO2005093412A1 WO 2005093412 A1 WO2005093412 A1 WO 2005093412A1 JP 2005006429 W JP2005006429 W JP 2005006429W WO 2005093412 A1 WO2005093412 A1 WO 2005093412A1
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- Prior art keywords
- polyamine
- content
- stroke
- acrolein
- cerebral infarction
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/26—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6893—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to diseases not provided for elsewhere
-
- 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
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6893—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to diseases not provided for elsewhere
- G01N33/6896—Neurological disorders, e.g. Alzheimer's disease
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2800/00—Detection or diagnosis of diseases
- G01N2800/28—Neurological disorders
- G01N2800/2871—Cerebrovascular disorders, e.g. stroke, cerebral infarct, cerebral haemorrhage, transient ischemic event
Definitions
- the present invention relates to a method for diagnosing stroke and asymptomatic cerebral infarction using the content of polyamine and acrolein, the activity of polyamine oxidase or the amount of protein thereof as an index. Further, the present invention relates to a polyamine, acrolein content or polyamine oxidase solution.
- the present invention relates to a method for screening stroke / asymptomatic cerebral infarction patients using the activity or the amount of protein as an index.
- Cerebrovascular disease is the second leading cause of death following malignant neoplasms and heart disease. The number of deaths per year is nearly 10 times that of kidney disease, and the sequelae after illness are extremely large in daily life, including paralysis and immobility. Cause trouble. Stroke, which accounts for the majority of cerebrovascular diseases, is a disease that is difficult to detect and treat early. In most cases, asymptomatic cerebral infarction without subjective symptoms is accidentally detected by diagnostic imaging, and there is no diagnostic tool used for blood and urine tests. . Therefore, development of a simple and highly accurate diagnosis method that does not require expensive equipment such as image diagnosis is desired.
- polyamine is a biological amine commonly found in a living body, and is represented by spermine, spermidine, spermine and the like. These polyamines are present in cells at high concentrations (on the order of mM) and act as cell growth factors by interacting with nucleic acids in vivo.
- polyamines are considered to be one of the causative agents of urinary toxins due to the accumulation of polyamines in the plasma of patients with chronic renal failure. Moreover, it is said that it is difficult to sufficiently remove this polyamine by dialysis. Therefore, elucidating the nature of the toxicity induced by polyamines will lead to the development of more effective treatments for uremia.
- an object of the present invention is to examine whether the content of polyamine or lactolein in a living body changes quantitatively in a cerebrovascular disease such as a stroke.
- the present invention provides a diagnostic method for detecting and predicting stroke, asymptomatic cerebral infarction.
- stroke and asymptomatic cerebral infarction can be predicted and detected by measuring the amount of acrolein, the amount of polyamine oxidase activity or the amount of polyamine oxidase protein and the amount of polyamine in plasma.
- the present invention provides a method for diagnosing stroke, asymptomatic cerebral infarction, It is intended to provide a method for screening asymptomatic cerebral infarction patients.
- the finding of the present invention is to prevent stroke and asymptomatic cerebral infarction by inhibiting the pathway of producing acrolein from in vivo polyamine by oxidative deamination via polyaminooxidase, and to promote the progression of pathology. It indicates the possibility that it can be stopped.
- the findings of the present invention also suggest the possibility of obtaining a therapeutic agent for stroke and asymptomatic cerebral infarction by searching for compounds that inhibit polyamine oxidase. It is considered possible.
- FIG. 1 is a graph comparing the amount of FDP-lysine in plasma between the cerebral infarction / cerebral hemorrhage group, the healthy group, and other brain disease groups.
- Fig. 2 shows the plasma polyamine oxidase activity in the cerebral infarction It is the graph compared between the normal person group and the other brain disease group.
- FIG. 3 is a photograph showing the result of analyzing a cross-sectional image of the head by MRI.
- Fig. 4 is a photograph in which the change over time in the cross-sectional image analysis of the head was examined by MRI and CT.
- acrolein generated by oxidative degradation of polyamine is abundant in the serum of patients with cerebral infarction and intracerebral hemorrhage.
- plasma acrolein content, polyamine content, and increased polyamine oxidase activity can be used to predict cerebral infarction and cerebral bleeding.
- the present invention relates to a method of obtaining a biological sample from a subject, determining the content of the polyamine in the sample or the content of the aldehyde compound formed from the polyamine, or the polyamine oxidase activity in the sample. Alternatively, the amount of protein of polyamine oxidase is measured, and a stroke / asymptomatic cerebral infarction is diagnosed using the measured value as an index.
- the present invention provides a method for obtaining a biological sample from a subject, wherein the content of the polyamine in the sample or the content of the aldehyde formed from the polyamine, or the activity of the polyamine oxidase or the polyamine oxidase in the sample is determined. This is a method of measuring protein content and screening patients with stroke / asymptomatic cerebral infarction using the obtained measured value as an index.
- a biological sample to be used for measurement is first collected from a subject.
- the biological sample used in the present invention is preferably the plasma used in the following examples.
- other biological samples can be used as appropriate, and such other biological samples include, for example, urine, saliva, cerebrospinal fluid, and bone marrow fluid.
- polyamine means a linear aliphatic hydrocarbon having two or more primary amino groups.
- Known biological polyamines include putretsin, cadaverine, sunoremidine, sunoremine, 1.3 diaminopronon, calgin, homospermidine, 3-aminomin pill force daverine, norspermine, Examples include, but are not limited to, thermospermine and cardopentamine.
- preferred polyamines are putretinsin, sple / midine, and spunolemin.
- polyamine oxidase is an enzyme involved in the oxidation of polyamine.
- polyamine oxidase means an enzyme that generates hydrogen peroxide by oxidizing diamine or polyamine as a good substrate.
- Polyamines undergo oxidative deamination with polyamine oxidase, resulting in the formation of aldehydes such as acrolein.
- the preferred aldehyde compound in the present invention is acrolein, but is not limited thereto.
- the acrolein content in plasma can be identified by measuring the content of acrolein-added amino acid FDP-lysine (N-formylpiperidino lysine).
- the content of FDP-lysine can be measured, for example, using ACR-LYSINEADDUCT ELISA SYSTEM (Nippon Yushi Co., Ltd.) according to the attached manual.
- the acrolein content can be measured in the form of a derivative other than FDP-lysine. It is also possible to directly measure the acrolein content, and such a method is described, for example, in the report of Alarcon et al. (Alarcon RA (1968) Anal. Chem. 40, 1704-1708).
- acrolein has high reactivity with other molecules, and thus has a problem that the amount of acrolein present in the blood in a free form is small. Therefore, considering that it is easy to measure in the form of FDP-lysine, it is a preferable embodiment to measure acrolein in the form of FDP-lysine in the present invention.
- patient serum and a standard solution are dispensed into an antigen-fixed plate at 50 ⁇ l / well, and the primary reaction antibody solution is added in the same amount.
- the primary reaction antibody solution is added in the same amount.
- remove the solution wash with washing solution, and dispense the secondary reaction antibody solution at 100 ⁇ l / well.
- wash with washing solution add coloring solution, and let stand at room temperature for 15 minutes to develop color.
- the amount of plasma Is expressed as the FDP-lysine content per milliliter of patient serum (nmol / ml plasma).
- the activity of polyamine oxidase was measured, for example, by using lOmM-Tris hydrochloride (pH 7.5), 0.2 mM substrate (spermine, spermidine and peptrescine) and 0.03 ml of patient serum, as shown in the examples below.
- the reaction can be carried out by incubating 0.15 ml of the reaction mixture at 37 ° C. for 48 hours. To a 0.02 ml reaction mixture, add 5% final concentration of tricloacetic acid (TCA) and centrifuge. A part of the obtained supernatant is used for polyamine assay.
- Amoxidase activity can be expressed as the amount of spermidine produced by spermine degradation per ml of patient serum (nmol / ml plasma / 48h).
- the protein content of polyamine oxidase can be measured by, for example, enzyme immunoassay (ELISA) using an antibody specific to polyamine oxidase, Western blotting analysis, immunoprecipitation, or the like.
- ELISA enzyme immunoassay
- Such a technique is a general technique known in the art, and a person skilled in the art can measure the protein content of the enzyme by the above-described technique under appropriate conditions.
- the antibodies against polyamine oxidase used in these measurements may be either monoclonal antibodies or polyclonal antibodies.
- a polyclonal antibody against polyamine oxidase can be obtained, for example, by immunizing a heron with a peptide fragment of polyamine oxidase using a conventional peptide antibody preparation technique. It can be obtained by breeding. The production of the peptide antibody can be confirmed by collecting blood from the rabbit that has been injected with the peptide, measuring the antibody titer, and performing a force assay to ensure that the antibody has a sufficient titer. Can be. Techniques for producing peptide antibodies are also described in various experimental books and are well known to those skilled in the art. Thus, various modifications are performed based on the descriptions to obtain polyamine oxidase antibodies. be able to.
- the content of polyamine in the sample can be determined by high performance liquid chromatography (HPLC). For example, when a polyamine column commercially available from T0S0 is used, retention times (retention times) of polyamines (putretinsin, spermidine, spermine) by HPLC are 7 minutes, 12 minutes, and 25 minutes, respectively.
- the amount of polyamine can be expressed as the amount of putrescine, spermidine and ⁇ spermine (nmol / ml plasma) contained in 1 ml of patient serum.
- other ordinary amino acid columns can also be used as appropriate.
- MR I magnetic resonance imaging
- the above-mentioned measured values are used as an index for the stroke.
- ⁇ Asymptomatic cerebral infarction can be diagnosed.
- patients with stroke / asymptomatic cerebral infarction can be screened using the above measured values as indices. For example, the average value and the variance of the above-mentioned measured values of the healthy subject group are statistically analyzed, and the upper limit of the normal value in the above measured values is set.
- the findings of the present invention show that the prevention of stroke and the progression of pathological conditions can be prevented by inhibiting the production of lactolein in the living body by inhibiting the activity of polyamine oxidase in plasma. It also suggests the possibilities. Thus, the present invention offers the possibility to open up new ways for treating stroke.
- a candidate compound that may be effective for treating stroke is administered to an experimental animal, and whether the compound has an activity of inhibiting polyamine oxidase in plasma in the experimental animal is determined. It is possible to search for new drugs that are effective for treatment. Thus, the present invention also provides a new way to search for new drugs that are effective in treating stroke.
- Example 1 Comparative study of plasma acrolein content in cerebral infarction patients
- the plasma acrolein content in patients with brain disease was studied.
- the acrolein content of the collected blood was compared in three groups: healthy subjects, cerebral infarction / intracerebral hemorrhage group, and other brain disease groups.
- the amount of acrolein in plasma was identified by measuring the content of FDP-lysine (N-formylpiperidino lysine), which is an amino acid added to acrolein. The measurement was performed using ACR-LYSINE ADDUCTELISA SYSTEM (Nippon Oil & Fats Co., Ltd.) according to the attached manual. The patient's serum and standard solution were dispensed into the antigen-fixed plate at 50 ⁇ l / well, and the same amount of the primary reaction antibody solution was added. After allowing to stand at room temperature for 30 minutes, the solution was removed, washed with a washing solution, a coloring solution was added, and the color was developed by allowing to stand at room temperature for 15 minutes. The absorbance at 450 nm was measured using a plate reader. The amount of acrolein in plasma was represented by the content of FDP-lysine per ml of patient serum (nmol / ml plasma).
- the amount of FDP-lysine which reflects the amount of plasma urea, is highest in patients with cerebral infarction and intracerebral hemorrhage among the above three groups, and is significantly increased compared to the other groups. It was. Compared to the plasma acrolein level in patients with chronic renal failure,
- FDP-lysine levels were found to be elevated to levels comparable to those in renal failure patients.
- Example 2 Comparative study of plasma amoxidase activity in patients with cerebral infarction
- the polyamine oxidase activity in the patient's plasma used in Example 1 was measured.
- Figure 2 shows the results.
- the activity of polyamine oxidase in plasma is determined by the substrate of lOraM-Tris hydrochloride (pH 7.5, 0.2 ⁇ ) ⁇ (spermine, spermidine and putrescine) and a reaction mixture of 0.03 ml of patient serum. The measurement was performed by incubating 15 ml at 37 ° C for 48 hours. Tricloacetic acid (TCA) at a final concentration of 5% was added to 0.02 ml of the reaction mixture, followed by centrifugation. A part of the obtained supernatant was used for a polyamine assay. Amino oxidase activity was expressed as the amount of spermidine produced by spermin degradation per 1 ml of patient serum (nmol / ml plasma / 48h).
- the polyamine oxidase activity in the plasma of the cerebral infarction and intracerebral hemorrhage group was significantly increased as compared with the healthy group and other brain disease groups. This result was correlated with the amount of acrolein in plasma examined comparatively in Example 1.
- Example 3 Magnetic resonance rooster diagnostic imaging (MRI) for cross-sectional image analysis of the head
- Example 4 Comparative study of changes in head cross-sectional images, plasma polyamine oxidase activity, and lactolein content in patients with acute cerebral infarction
- the plasma polyamine oxidase activity was about twice as high as that of the healthy group and was significantly higher.
- a cross-sectional image of the head (MRI) on day 2 of the onset and a cross-sectional image of the head one week later (CT) showed a clear infarct image in the left temporal lobe.
- the plasma polyamine oxidase activity and FDP-Lys content were 7.2 nmol SPD increase / ml plasma and 23. Onmol / ml plasma, respectively.
- a significant increase in plasma acrolein content was observed along with an increase in plasma polyamine oxidase activity.
- an increase in plasma polyamine oxidase activity occurs prior to the appearance of an infarct image on MRI or CT.
- the method of the present invention which comprises measuring the acrolein content, polyamine content, or polyamine oxidase activity or polyamine oxidase protein content in plasma, is useful for the diagnosis of stroke, asymptomatic cerebral infarction, and stroke. Useful for screening patients with asymptomatic cerebral infarction. Further, by utilizing the findings of the present invention, it is possible to prevent stroke and asymptomatic cerebral infarction by inhibiting the pathway for producing lactolein from in vivo polyamine by oxidative deamination through polyamine oxidase. However, it may be possible to prevent the progress of the medical condition. Furthermore, by using the findings of the present invention to search for a compound that inhibits polyamine oxidase, there is a possibility that a therapeutic agent for stroke and asymptomatic cerebral infarction can be obtained.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05727387.2A EP1729129B1 (en) | 2004-03-25 | 2005-03-25 | Method of diagnosing apoplectic stroke/asymptomatic brain infarction using polyamine and acrolein contents, polyamine oxidase activity or protein content thereof as indication |
CA002561286A CA2561286A1 (en) | 2004-03-25 | 2005-03-25 | A diagnostic method for stroke/asymptomatic cerebal infarction using polyamine or acrolein content, polyamine oxidase activity or protein content thereof as an indicator |
US10/599,221 US8715921B2 (en) | 2004-03-25 | 2005-03-25 | Method of diagnosing apoplectic stroke/asymptomatic brain infarction using acrolein content |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-089063 | 2004-03-25 | ||
JP2004089063 | 2004-03-25 | ||
JP2004-255976 | 2004-09-02 | ||
JP2004255976A JP4426929B2 (ja) | 2004-03-25 | 2004-09-02 | 脳卒中・無症候性脳梗塞のスクリーニング方法 |
Publications (1)
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WO2005093412A1 true WO2005093412A1 (ja) | 2005-10-06 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/006429 WO2005093412A1 (ja) | 2004-03-25 | 2005-03-25 | ポリアミン、アクロレインの含有量又はポリアミンオキシダーゼ活性又はその蛋白質量を指標とした脳卒中・無症候性脳梗塞の診断方法 |
Country Status (5)
Country | Link |
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US (1) | US8715921B2 (ja) |
EP (1) | EP1729129B1 (ja) |
JP (1) | JP4426929B2 (ja) |
CA (1) | CA2561286A1 (ja) |
WO (1) | WO2005093412A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7687231B2 (en) * | 2006-01-30 | 2010-03-30 | Yamasa Corporation | Method for determining degree of negative effect of macrophages on vertebrate |
JP5339227B2 (ja) * | 2007-05-18 | 2013-11-13 | 国立大学法人 千葉大学 | アクロレイン、インターロイキン−6及びcrpの含有量、ポリアミンオキシダーゼ活性又はポリアミンオキシダーゼの蛋白質量、並びに、被験者の年齢を指標とした脳卒中・無症候性脳梗塞の検出方法 |
JP5328665B2 (ja) * | 2007-10-22 | 2013-10-30 | アルフレッサファーマ株式会社 | 免疫学的微小粒子の凝集反応を用いる検体のアクロレイン付加体の測定方法および測定用キット |
WO2012007531A2 (en) | 2010-07-13 | 2012-01-19 | Frank Madeo | Methods and compositions for diagnosing medical conditions |
US20140208835A1 (en) * | 2011-06-14 | 2014-07-31 | Amine Pharma Research Institute Co., Ltd. | Method for determination of stroke and/or cerebral infarction using 3-hpma as measure |
ES2415579B1 (es) | 2011-09-28 | 2014-11-17 | Instituto Tecnológico De Castilla Y León | Procedimiento y dispositivo electrónico multiagente con control difuso para la detección del ictus cerebral lateral. |
JPWO2015163342A1 (ja) * | 2014-04-23 | 2017-04-20 | 塩野義製薬株式会社 | 脳卒中診断マーカー |
Citations (5)
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US5733933A (en) * | 1984-03-19 | 1998-03-31 | The Picower Institute For Medical Research | Methods and materials for the diagnosis and treatment of conditions such as stroke |
WO2000003711A1 (en) | 1998-07-17 | 2000-01-27 | The Picower Institute For Medical Research | Compounds and compositions for treating tissue ischemia |
JP2002181820A (ja) * | 2000-12-14 | 2002-06-26 | Ikagaku:Kk | 動脈硬化性病変の診断用キット |
JP2002281999A (ja) | 2001-03-29 | 2002-10-02 | Kazue Igarashi | 尿毒症治療用化合物、その選別方法および該化合物を含有する尿毒症治療剤 |
JP2002541162A (ja) * | 1999-04-13 | 2002-12-03 | ノース・ショア−ロング・アイランド・ジューイッシュ・リサーチ・インスティテュート | 発作による脳障害防止法 |
-
2004
- 2004-09-02 JP JP2004255976A patent/JP4426929B2/ja not_active Expired - Lifetime
-
2005
- 2005-03-25 CA CA002561286A patent/CA2561286A1/en not_active Abandoned
- 2005-03-25 EP EP05727387.2A patent/EP1729129B1/en not_active Not-in-force
- 2005-03-25 US US10/599,221 patent/US8715921B2/en not_active Expired - Fee Related
- 2005-03-25 WO PCT/JP2005/006429 patent/WO2005093412A1/ja active Application Filing
Patent Citations (6)
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US5733933A (en) * | 1984-03-19 | 1998-03-31 | The Picower Institute For Medical Research | Methods and materials for the diagnosis and treatment of conditions such as stroke |
WO2000003711A1 (en) | 1998-07-17 | 2000-01-27 | The Picower Institute For Medical Research | Compounds and compositions for treating tissue ischemia |
JP2002520360A (ja) | 1998-07-17 | 2002-07-09 | ザ ピコワー インスティテュート フォー メディカル リサーチ | 組織虚血を治療するための化合物及び組成物 |
JP2002541162A (ja) * | 1999-04-13 | 2002-12-03 | ノース・ショア−ロング・アイランド・ジューイッシュ・リサーチ・インスティテュート | 発作による脳障害防止法 |
JP2002181820A (ja) * | 2000-12-14 | 2002-06-26 | Ikagaku:Kk | 動脈硬化性病変の診断用キット |
JP2002281999A (ja) | 2001-03-29 | 2002-10-02 | Kazue Igarashi | 尿毒症治療用化合物、その選別方法および該化合物を含有する尿毒症治療剤 |
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Title |
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ADIBHATLA, BRAIN RES., vol. 938, 2002, pages 81 - 86 |
ALARCON R. A., ANAL. CHEM., vol. 40, 1968, pages 1704 - 1708 |
DE VERA, AMINO ACIDS, vol. 12, 1997, pages 1 - 7 |
ELS, STROKE, vol. 32, 2001, pages 43 - 46 |
IGARASHI ET AL., J.BACTERIOL., vol. 166, 1986, pages 128 - 134 |
SAKATA ET AL., BIOCHEM. BIOPHYS RES. COMMUN., vol. 305, 2003, pages 143 - 149 |
See also references of EP1729129A4 * |
SHARMIN ET AL., BIOCHEM. BIOPHYS. RES. COMMUN., vol. 282, 2001, pages 228 - 235 |
Also Published As
Publication number | Publication date |
---|---|
EP1729129A1 (en) | 2006-12-06 |
US8715921B2 (en) | 2014-05-06 |
JP4426929B2 (ja) | 2010-03-03 |
EP1729129B1 (en) | 2013-05-29 |
EP1729129A4 (en) | 2009-10-21 |
US20080254495A1 (en) | 2008-10-16 |
CA2561286A1 (en) | 2005-10-06 |
JP2005304476A (ja) | 2005-11-04 |
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