WO2007063089A2 - Polypeptidmarker zur diagnostik und beurteilung vaskulären erkrankungen - Google Patents
Polypeptidmarker zur diagnostik und beurteilung vaskulären erkrankungen Download PDFInfo
- Publication number
- WO2007063089A2 WO2007063089A2 PCT/EP2006/069096 EP2006069096W WO2007063089A2 WO 2007063089 A2 WO2007063089 A2 WO 2007063089A2 EP 2006069096 W EP2006069096 W EP 2006069096W WO 2007063089 A2 WO2007063089 A2 WO 2007063089A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- markers
- sample
- polypeptide
- marker
- absence
- Prior art date
Links
Classifications
-
- 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
- G01N33/6803—General methods of protein analysis not limited to specific proteins or families of proteins
- G01N33/6848—Methods of protein analysis involving mass spectrometry
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- 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
-
- 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
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/493—Physical analysis of biological material of liquid biological material urine
-
- 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
-
- 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
- G01N2800/00—Detection or diagnosis of diseases
- G01N2800/32—Cardiovascular disorders
Definitions
- Stent Insertion of a wire mesh (stent), which should hold the vessel open.
- renal arterial thrombosis Common causes of renal arterial thrombosis are heart embolisms, e.g. in atrial fibrillation associated with symptoms such as flank pain, proteinuria, very high LDH. In renal vein thrombosis flank pain is also observed, but in addition a proteinuria and possibly a hematuria or a nephrotic syndrome.
- Narrowed vessels in the brain area lead to a reduced oxygen supply, in occlusion of an artery (eg by an acute clot as a result of changes due to arteriosclerosis) it comes to stroke with loss of sensibility, paralysis, speech disorders, etc.
- cerebral arteries as in the large arteries arise in the course arterial calcification in rare cases draining the vessel walls, in conjunction with risk factors such as high blood pressure threatens a rupture of the vessel wall and a life-threatening internal bleeding.
- an object of the present invention is the use of the presence or absence of at least one, ideally more polypeptide marker (s) in a urine sample of an individual for the diagnosis of vascular diseases, said polypeptide marker (s) being selected from polypeptide labels Nos. 1 to No. 526, which are characterized by the molecular masses given in Table 1 and their migration times.
- the markers 1-104 and / or 107-413 are preferably used.
- the migration time is determined by means of capillary electrophoresis (CE), as described in Example 2, for example.
- CE capillary electrophoresis
- a 90 cm long glass capillary with an inner diameter (ID) of 50 ⁇ m and an outer diameter (OD) of 360 ⁇ m is operated at an applied voltage of 30 kV.
- the eluent used is, for example, 30% methanol, 0.5% formic acid in water.
- the characterization of the polypeptides shown in Tables 1 to 4 was determined by capillary electrophoresis mass spectrometry (CE-MS), a method which is described e.g. in detail by Neuhoff et al. (Rapid Communications in mass spectrometry, 2004, Vol. 20, pages 149-156).
- CE-MS capillary electrophoresis mass spectrometry
- the variation of molecular masses between individual measurements or between different mass spectrometers is relatively small with exact calibration, typically in the range of ⁇ 0.1%, preferably in the range of ⁇ 0.05%, more preferably ⁇ 0.03%, even more preferably ⁇ 0.01%.
- the threshold is preferably exceeded when the sample reading for a given molecular mass is at least twice that of a blank (e.g., only buffer or solvent).
- the polypeptide marker (s) is / are used to measure its presence or absence, the presence or absence being indicative of the degree of VE (frequency marker).
- VE degree of VE
- polypeptide markers which are typically present in individuals with VE, but are more rare or non-existent in individuals without VE, eg, 1-24 (Table 2).
- polypeptide markers present in patients with VE such as polypeptide markers Nos. 25 to 106, but are not or only rarely present in patients without VE.
- the amplitude markers indicated in Table 3 can also be used for the diagnosis of CE (number 107-526). Amplitude markers are used in a manner that does not determine the presence or absence, but decides the magnitude of the signal (amplitude) in the presence of the signal in both groups.
- Tables 3 and 4 the mean amplitudes of the respective signals (characterized by mass and migration time) over all measured samples are given. Two nomination procedures are possible to achieve comparability between differently concentrated samples or different measurement methods. In the first approach, all peptide signals of a sample are normalized to a total amplitude of 1 million counts. The respective mean amplitudes of the single markers are therefore given as parts per million (ppm). The amplitude markers resulting from this procedure are shown in Table 3 (number 107-413).
- All groups used consist of at least 20 individual patient or control samples to obtain a reliable mean amplitude.
- the decision to make a diagnosis depends on how high the amplitude of the respective polypeptide markers in the patient sample is compared to the mean amplitudes in the control group or the VE group. If the value is close to the mean amplitude of the VE group, it can be assumed that the presence of a vascular disease is more likely to correspond to the mean amplitudes of the VE group Control group, does not assume a VE.
- the distance to the mean amplitude can be interpreted as a probability of belonging to a group. An exemplary explanation shall be given by means of marker No. 137 (Table 3).
- the sample measuring the presence or absence of the polypeptide marker (s) of the invention may be any sample recovered from the subject's body.
- the sample is a sample having a polypeptide composition suitable for making statements about the condition of the individual (VE or not).
- it may be blood, urine, synovial fluid, tissue fluid, body secretions, sweat, cerebrospinal fluid, lymph, intestinal, gastric, pancreatic, bile, tears, tissue, sperm, vaginal fluid, or a stool sample.
- it is a liquid sample.
- the sample of the subject eg, the urine or blood sample
- the treatment may include, for example, purification, separation, dilution or concentration.
- the methods may be, for example, centrifugation, filtration, ultrafiltration, dialysis, precipitation or chromatographic methods such as affinity separation or separation by ion exchange chromatography, or electrophoretic separation.
- the sample is separated by electrophoresis prior to its measurement, purified by ultracentrifugation and / or separated by ultrafiltration into fractions containing polypeptide labels of a specific molecular size.
- a mass spectrometric method is used to determine the presence or absence of a polypeptide marker, which method may precede purification or separation of the sample.
- the mass spectrometric analysis has the advantage over current methods that the concentration of many (> 100) polypeptides of a sample can be determined by means of a single analysis. Any type of mass spectrometer can be used. With mass spectrometry, it is possible to routinely measure 10 fmoles of a polypeptide marker, that is, 0.1 ng of a 10 kDa protein with a measurement accuracy of approximately ⁇ 0.01% from a complex mixture. In mass spectrometers, an ion-forming unit is coupled to a suitable analyzer.
- electrospray ionization (ESI) interfaces are mostly used to measure ions from liquid samples, whereas the matrix assisted laser desorption / ionization (MALDI) technique is used to measure ions from sample crystallized with a matrix.
- MALDI matrix assisted laser desorption / ionization
- For analysis of the resulting ions e.g. Quadrupoles, ion traps or time-of-flight (TOF) analyzers are used.
- electrospray ionization the molecules present in solution i.a. under the influence of high voltage (e.g., 1-8 kV) to form charged droplets which become smaller by evaporation of the solvent.
- high voltage e.g. 1-8 kV
- Coulomb explosions lead to the formation of free ions, which can then be analyzed and detected.
- the use of volatile solvents is preferred, and it is best to work under essentially salt-free conditions.
- suitable solvents include acetonitrile, methanol and the like.
- the solvents may be diluted with water and treated with a weak acid (eg 0.1% to 1% formic acid) to protonate the analyte, preferably the polypeptides.
- Capillary electrophoresis makes it possible to separate molecules according to their charge and size. Neutral particles migrate at the rate of electroosmotic flow upon application of a current, cations are accelerated to the cathode and anions are retarded.
- quartz glass capillaries with internal diameters of typically 50 to 75 ⁇ m are normally used. The used lengths are 30-100 cm.
- the capillaries usually consist of plastic-coated quartz glass.
- the capillaries may be both untreated, i. on the inside show their hydrophilic groups, as well as be coated on the inside. A hydrophobic coating can be used to improve the resolution.
- a pressure which is typically in the range of 0-1 psi may also be applied. The pressure can also be created during the separation or changed during the process.
- the "Nebulizer gas" was set to the lowest possible value.
- the voltage applied to the spray needle to generate the electrospray was 3700 - 4100 V.
- the remaining settings on the mass spectrometer were optimized according to the manufacturer's instructions for peptide detection.
- the spectra were recorded over a mass range of m / z 400 to m / z 3000 and accumulated every 3 seconds. 3.
- the proteins / polypeptides are each used in a concentration of 10 pmol / ⁇ l in water.
- REV "REV”, "ELM”, “KINCON” and “GIVLY” represent synthetic peptides.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Immunology (AREA)
- Urology & Nephrology (AREA)
- Physics & Mathematics (AREA)
- Hematology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Biotechnology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Biophysics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Bioinformatics & Computational Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Peptides Or Proteins (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006319138A AU2006319138B2 (en) | 2005-11-30 | 2006-11-30 | Polypeptide marker for the diagnosis and evaluation of vascular diseases |
EA200801475A EA014529B1 (ru) | 2005-11-30 | 2006-11-30 | Полипептидные маркеры для диагностики и оценки сосудистых заболеваний |
US12/085,633 US20100126861A1 (en) | 2005-11-30 | 2006-11-30 | Polypeptide Markers for the Diagnosis and Evaluation of Vascular Diseases |
JP2008542758A JP5165580B2 (ja) | 2005-11-30 | 2006-11-30 | 血管疾患の診断および評価のためのポリペプチドマーカー |
BRPI0619248-3A BRPI0619248A2 (pt) | 2005-11-30 | 2006-11-30 | marcadores de polipeptìdeo para o diagnóstico e avaliação de doenças vasculares |
CA002631602A CA2631602A1 (en) | 2005-11-30 | 2006-11-30 | Polypeptide markers for the diagnosis and evaluation of vascular diseases |
EP06819861A EP1955075A2 (de) | 2005-11-30 | 2006-11-30 | Polypeptidmarker zur diagnostik und beurteilung vaskulären erkrankungen |
IL191605A IL191605A0 (en) | 2005-11-30 | 2008-05-21 | Polypeptide marker for the diagnosis and evaluation of vascular diseases |
NO20082394A NO20082394L (no) | 2005-11-30 | 2008-05-27 | Polypeptidmarkor for diagnostikk og vurdering av vaskulaere sykdommer |
US14/712,423 US20150247865A1 (en) | 2005-11-30 | 2015-05-14 | Polypeptide Markers for the Diagnosis and Evaluation of Vascular Diseases |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005057382.7 | 2005-11-30 | ||
DE102005057382 | 2005-11-30 | ||
EP06120879 | 2006-09-19 | ||
EP06120879.9 | 2006-09-19 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/085,633 A-371-Of-International US20100126861A1 (en) | 2005-11-30 | 2006-11-30 | Polypeptide Markers for the Diagnosis and Evaluation of Vascular Diseases |
US14/712,423 Continuation US20150247865A1 (en) | 2005-11-30 | 2015-05-14 | Polypeptide Markers for the Diagnosis and Evaluation of Vascular Diseases |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007063089A2 true WO2007063089A2 (de) | 2007-06-07 |
WO2007063089A3 WO2007063089A3 (de) | 2008-01-17 |
Family
ID=38092603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/069096 WO2007063089A2 (de) | 2005-11-30 | 2006-11-30 | Polypeptidmarker zur diagnostik und beurteilung vaskulären erkrankungen |
Country Status (12)
Country | Link |
---|---|
US (2) | US20100126861A1 (de) |
EP (1) | EP1955075A2 (de) |
JP (1) | JP5165580B2 (de) |
KR (1) | KR20080074190A (de) |
AU (1) | AU2006319138B2 (de) |
BR (1) | BRPI0619248A2 (de) |
CA (1) | CA2631602A1 (de) |
EA (1) | EA014529B1 (de) |
IL (1) | IL191605A0 (de) |
NO (1) | NO20082394L (de) |
SG (1) | SG170009A1 (de) |
WO (1) | WO2007063089A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011029954A3 (de) * | 2009-09-14 | 2011-06-16 | Mosaiques Diagnostics And Therapeutics Ag | Polypeptidmarker zur diagnostik und beurteilung vaskulärer erkrankungen |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004089184A2 (en) * | 2003-04-01 | 2004-10-21 | Diadexus, Inc. | NEW USES OF Lp-PLA2 IN COMBINATION TO ASSESS CORONARY RISK |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0206903B8 (pt) * | 2002-12-20 | 2021-07-27 | Fund De Amparo A Pesquisa Do Estado De Sao Paulo Fapesp | método de prognóstico de uma predisposição para o desenvolvimento de hipertensão e lesões no coração, sistema nervoso, sistema vascular ou rins, e uso da isoforma de 90 kda da enzima conversora de angiotensina i no referido método |
US7344892B2 (en) * | 2003-09-23 | 2008-03-18 | Beth Israel Deaconess Medical Center, Inc. | Screening for gestational disorders |
-
2006
- 2006-11-30 KR KR1020087015342A patent/KR20080074190A/ko not_active Application Discontinuation
- 2006-11-30 BR BRPI0619248-3A patent/BRPI0619248A2/pt not_active IP Right Cessation
- 2006-11-30 EP EP06819861A patent/EP1955075A2/de not_active Ceased
- 2006-11-30 US US12/085,633 patent/US20100126861A1/en not_active Abandoned
- 2006-11-30 WO PCT/EP2006/069096 patent/WO2007063089A2/de active Application Filing
- 2006-11-30 AU AU2006319138A patent/AU2006319138B2/en not_active Ceased
- 2006-11-30 EA EA200801475A patent/EA014529B1/ru not_active IP Right Cessation
- 2006-11-30 CA CA002631602A patent/CA2631602A1/en not_active Abandoned
- 2006-11-30 JP JP2008542758A patent/JP5165580B2/ja not_active Expired - Fee Related
- 2006-11-30 SG SG201101212-7A patent/SG170009A1/en unknown
-
2008
- 2008-05-21 IL IL191605A patent/IL191605A0/en unknown
- 2008-05-27 NO NO20082394A patent/NO20082394L/no not_active Application Discontinuation
-
2015
- 2015-05-14 US US14/712,423 patent/US20150247865A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004089184A2 (en) * | 2003-04-01 | 2004-10-21 | Diadexus, Inc. | NEW USES OF Lp-PLA2 IN COMBINATION TO ASSESS CORONARY RISK |
Non-Patent Citations (9)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011029954A3 (de) * | 2009-09-14 | 2011-06-16 | Mosaiques Diagnostics And Therapeutics Ag | Polypeptidmarker zur diagnostik und beurteilung vaskulärer erkrankungen |
Also Published As
Publication number | Publication date |
---|---|
EA200801475A1 (ru) | 2009-02-27 |
WO2007063089A3 (de) | 2008-01-17 |
EA014529B1 (ru) | 2010-12-30 |
NO20082394L (no) | 2008-08-26 |
SG170009A1 (en) | 2011-04-29 |
KR20080074190A (ko) | 2008-08-12 |
CA2631602A1 (en) | 2007-06-07 |
EP1955075A2 (de) | 2008-08-13 |
AU2006319138B2 (en) | 2013-05-16 |
IL191605A0 (en) | 2008-12-29 |
JP2009521670A (ja) | 2009-06-04 |
US20100126861A1 (en) | 2010-05-27 |
US20150247865A1 (en) | 2015-09-03 |
AU2006319138A1 (en) | 2007-06-07 |
BRPI0619248A2 (pt) | 2011-09-20 |
JP5165580B2 (ja) | 2013-03-21 |
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