WO2004040008A1 - β−ラクタマーゼ検出試薬組成物、検出キット及び検出方法 - Google Patents
β−ラクタマーゼ検出試薬組成物、検出キット及び検出方法 Download PDFInfo
- Publication number
- WO2004040008A1 WO2004040008A1 PCT/JP2003/013835 JP0313835W WO2004040008A1 WO 2004040008 A1 WO2004040008 A1 WO 2004040008A1 JP 0313835 W JP0313835 W JP 0313835W WO 2004040008 A1 WO2004040008 A1 WO 2004040008A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reagent composition
- lactamase
- detection reagent
- group
- detection
- Prior art date
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Classifications
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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
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
-
- 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
- G01N2333/90—Enzymes; Proenzymes
- G01N2333/914—Hydrolases (3)
- G01N2333/978—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
- G01N2333/986—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5) acting on amide bonds in cyclic amides (3.5.2), e.g. beta-lactamase (penicillinase, 3.5.2.6), creatinine amidohydrolase (creatininase, EC 3.5.2.10), N-methylhydantoinase (3.5.2.6)
Definitions
- the present invention relates to a reagent composition for detecting lactase, a kit for detecting lactase, and / or a method for detecting lactase.
- ⁇ I-lactamase is a group of enzymes that hydrolyze the intramolecular /?-Lactam ring of ⁇ -lactam antibacterials. Based on the homology of the amino acid sequences of the enzyme proteins, class A, Classified as B, C and D.
- Extended-substrate / ⁇ -lactamase (ESBL) is an enzyme that has a wider range of substrates (? -Lactam antibacterials) that degrade than conventional class A ⁇ -lactamases.
- ESBL Extended-substrate / ⁇ -lactamase
- These lactobacillus mases deactivate the antibacterial activity of lactobacillus antibacterial agents, and ESBL in particular has been regarded as a causative agent of hospital-acquired infection.
- Administering ⁇ -larutam antibiotics to bacteria that are resistant to lactam antibacterial agents not only has no therapeutic effect, but also causes the spread of new resistant bacteria. Therefore, it is necessary to
- the chromogenic cephalosporin method is a method using cephalosporin, which changes color when the ring is cleaved by lactone, and has a high detection sensitivity because the reagent itself changes color.
- products that have been commercially available using the chromogenic cephalosporin method have been used as a detection substrate for ditrocephine (3- [2,4-dinitrostyryl] -7- (2-phenylacetate). Amide) -3-cef-4-carboxylic acid (JP-A-48-50787). This product could be detected with a short detection time of about 30 minutes, but it was impossible to determine the class by reacting with all the classes of? -Lactamase.
- there is no known product using the chromogenic cephalosporin method which uses nitrocefin in combination with a 5-lactamase inhibitor.
- the present invention provides a method for detecting lactamase, a formula I drug, a composition, a kit for detecting 3-lactase and / or a method for detecting lactase, which can rapidly identify lactase. It is for this purpose.
- the present inventors have found that, by using a specific ⁇ -lactamase detection substrate and a 5-lactamase inhibitor in combination, particularly, two or three specific It has been found that the above problems can be solved by combining types.
- the present invention relates to a reagent composition
- a reagent composition comprising a ⁇ -lactamase detecting substrate for use in the chromogenic cephalosporin method and a lactamase inhibitor.
- I will provide a.
- the present invention also provides a kit for detecting lactase comprising at least one detection reagent composition selected from the group consisting of the following (a) to (e):
- a detection reagent composition containing a combination of aztreonam and ethylenediaminetetraacetic acid as a ⁇ -lactamase inhibitor
- a detection reagent composition containing a combination of clavranic acid and ethylenediaminetetraacetic acid as a ⁇ -lauminase inhibitor
- a detection reagent composition containing aztreonam and clavulanic acid as ⁇ -larase inhibitor
- the present invention also provides a kit for detecting 5-lactamase, which comprises at least one selected from the group consisting of: (g), (g), (h) and (i):
- a detection reagent composition comprising clavulanic acid as a ⁇ -larminase inhibitor
- a detection reagent composition containing aztreonam as a ⁇ -larminase inhibitor
- a detection reagent composition comprising a combination of aztreonam and clavulanic acid as an inhibitor of lactose.
- the present invention also provides a method for detecting ⁇ -lactamase, which comprises contacting a sample solution containing an analyte with the reagent composition for detecting lactamase.
- the present invention also includes contacting a sample liquid containing an analyte with the above-described lactose mase detection reagent composition held in the sample holding portion of the lactase mase detection kit.
- the present invention provides a method for detecting evening sun.
- the present invention also includes contacting a sample solution containing an analyte with a ⁇ -lactamase detection reagent composition held on the sample holding portion of the kit for detecting lactase.
- ⁇ ⁇ Provide a simple and easy detection method.
- FIG. 1 is a schematic perspective view of an example of the kit for detecting lactamase of the present invention.
- the present invention is based on the chromogenic cephalosporin method.
- Examples of the substrate for detection of lactase which can be used in the present invention include a compound represented by the following general formula (1) disclosed in JP-A-48-50787 or a physiologically acceptable compound. Or a salt thereof, or a compound represented by the following general formula (2) or a carboxylate derivative thereof disclosed in WO 02/24707. The contents of these specifications are all included in this specification.
- Ru is a phenyl, phenyl or naphthyl group
- A is a phenyl group substituted at the 2-, 4- or 2,4-position by a cyano group or a nitro group. Yes; and X! Is —S— or — SO—.
- R 2 may be the same or different and each represent a hydrogen atom, a nitro group or a cyano group; and R 3 is Ci—C 6 which may be substituted with a carboxyl group.
- R 4 represents a hydrogen atom or an amino group; and X 2 represents —S— or —SO—, provided that and R 2 are not hydrogen atoms at the same time. .
- -Lactamase detection substrate is 3- [2,4-dinitrostyryl] -7- (2-chenilacetamide) -3-cefem-4 -Carboxylic acids or physiologically acceptable salts thereof are preferred.
- Examples of the compound represented by the general formula (2) include a compound in which X 2 is —S—, and a propyl in which R 3 is substituted with a methyl group or a carboxyl group which may be substituted with a carboxyl group.
- R 4 is an amino group
- Compounds which are a propyl group and R 4 is an amino group are preferred.
- the /?-Lactamase inhibitor that can be used in the present invention is not particularly limited as long as it is a compound having a -lactamase-inhibiting activity.
- Inhibitors that can be preferably used are selected from the group consisting of clavulanic acid or a compound having an equivalent effect thereto, aztreonam, cloxacillin, a chelating agent capable of chelating zinc ions, sulbactam, evening zobactam, chenamycin and carmonam. There is at least one.
- chelating agents capable of chelating with zinc ions include ethylenediaminetetraacetic acid (EDTA), cyclohexanediaminetetraacetic acid, and mercapto compounds.
- mercapto compound for example, compounds disclosed in JP-A-2000-224998 and JP-A-2001-299388 can be used. it can. Specifically, mercaptoacetic acid, mercaptopropionic acid, especially 2-mercaptopropionic acid, and their sodium, potassium, calcium, barium or quaternary ammonium salts, and mercaptophenols. And sulfur-containing compounds such as organic thiol compounds. Zincion and sharp
- EDTA is particularly preferred as a chelating agent that can be used.
- an inhibitor of clavulanic acid; aztreonam; a combination of aztreona A and ethylenediaminetetraacetic acid; clavulanic acid and ethylenediamine It is preferably selected from the group consisting of a combination with tetraacetic acid; a combination of aztreonam and clavulanic acid; and a combination of aztreonam, clavulanic acid and ethylenediaminetetraacetic acid.
- Examples of the combination of the /?-Lactamase detection substrate and the /?-Lactamase inhibitor which can be preferably used in the present invention include the following:
- the lactamase detection substrate is a compound represented by the above general formula (1) or a physiologically acceptable salt thereof, and the laccase inhibitor is clavulanic acid, aztreonam, ethylenediamine
- a detection reagent composition which is at least one member selected from the group consisting of acetic acid and cupacillin;
- the lactamase detection substrate is a compound represented by the general formula (2) or a lipoxylate derivative thereof, and the lactamase inhibitor comprises clavulanic acid, aztreonam, ethylenediaminetetraacetic acid and cloxacillin.
- a detection reagent composition which is at least one member selected from the group.
- detection reagent compositions comprising group (c) above and one or more selected from the group consisting of the following (f) to (i):
- a detection reagent composition containing aztreonam as a ⁇ -larase inhibitor containing aztreonam as a ⁇ -larase inhibitor
- ?-A detection reagent composition comprising a combination of aztreonam and clavranic acid as a lactamase inhibitor.
- the detection reagent composition of the present invention comprises a / 5-lactamase detection substrate and a ??-lactamase inhibitor in a weight ratio of 1:10 to 100: 1. It is preferably used in the range of 1: 1 to 50: 1, and more preferably in the range of 1: 1 to 1:10.
- the detection reagent composition of the present invention comprises: a ⁇ ⁇ -lactone detection substrate and a? -Lactamase inhibitor; water, a phosphate buffer, dimethyl sulfoxide, and a mixture thereof. Can be used after being dissolved in a solvent such as Of these, a mixture of dimethyl sulfoxide and a phosphate buffer is particularly preferred.
- the mixing ratio is not particularly limited.
- the concentration of the substrate for detecting lactose is preferably 0.025 mg / mL to 62.5 mg / mL, more preferably 1.25 mg / mL to 12.5 mg / mL, and the concentration of the lactase inhibitor is By dissolving in a solvent so as to have a concentration of 0.0125 mg / mL or more; l2.5 mg / mL, more preferably 1.25 mg / mL; A solution can be prepared.
- the detection reagent composition of the present invention is preferably used after being adjusted to have a pH of 6.0 to 8.0.
- the pH is preferably adjusted from 5.5 to 8.5.
- a compound represented by the above general formula (2) is used as a substrate for detecting laccase, it is preferable to adjust ⁇ 6.0 to 8.0.
- the solution containing the detection reagent composition prepared in this manner may further contain a polymer such as polyvinyl alcohol, hydroxymethylcellulose, polyvinyl chloride, or a copolymer of methacrylate within a range that does not impair the effects of the present invention. It can be added in an amount of By adding these polymers and the like, a solution containing the detection reagent composition of the present invention is prepared. Is preferred because the stability of the polymer is improved. Of these, methacrylic acid copolymers are particularly preferred.
- the specimen used in the present invention can be collected, for example, from the pharynx or nasal cavity of a patient using a cotton swab or the like. It can also be used for urine, sputum, pus, etc.
- the sample solution can be prepared by dissolving in a solvent such as water, a phosphate buffer, or a physiological saline solution.
- the sample liquid is preferably prepared so that the concentration of bacteria contained in the liquid is 10 1 () CFU / mL.
- Oligosaccharides, surfactants, dextrins, and the like can be further added to the sample solution prepared in this manner in amounts not to impair the effects of the present invention.
- the form of the ⁇ -lactamase detection kit of the present invention is not particularly limited as long as it contains the above-described detection reagent composition, such as a disk type, a combination type of a disk and a mount, a plate type, and a strip type. .
- a plate type is preferably used.
- the kit of the present invention may contain a positive control solution comprising a solution containing 3-lactamase and the detection reagent composition of the present invention, and a negative solution comprising a solution containing a substrate for detecting laquinase, if necessary.
- a control solution may be included.
- FIG. 1 shows a schematic perspective view of a kit for detecting lactase of the present invention, but the present invention is not limited to this.
- the detection kit of the present invention will be described with reference to FIG. 1.
- the detection kit of the present invention includes a sample container 1 and a base 3 having a plurality of sample holding portions 2 housed therein.
- the sample holding section 2 has an opening through which the prepared sample (sample liquid or control liquid) is dropped.
- the materials forming the sample container, the substrate, and the sample holding portion constituting the detection kit of the present invention are not particularly limited. Also, their size and shape are not particularly limited.
- the kit of the present invention essentially contains the detection reagent composition of the above-mentioned group (c), and further comprises one or more detection reagent compositions of the above-mentioned groups (a), (b), (d) or (e). Including It is more preferred to have
- It contains the detection reagent composition of the above group (d) as essential and further contains one or more detection reagent compositions of the above groups (a), (b), (c) or (e).
- a laccase detection kit is also preferred.
- a detection kit containing all the detection reagent compositions of the above groups (a) to (e) is preferred.
- the kit of the present invention also preferably contains at least one detection reagent composition selected from the group consisting of (c) and (f) to (i).
- the kit of the present invention also contains the detection reagent composition of the above group (c) as an essential component, and further comprises at least one detection reagent composition of the above group (f), (g), (h) or (i). It is more preferable to contain a substance.
- It contains the detection reagent composition of the above-mentioned group (h) as essential, and further contains the detection reagent composition of one or more of the above-mentioned groups (c), (f), (g) or (i). Evening maze detection kits are also preferred.
- a detection kit containing all the detection reagent compositions of the above groups (c) and (f) to (i) is preferable.
- the detection kit of the present invention includes the detection reagent compositions of the present invention in the above groups (a) to (i), wherein 3- [2,4-dinitrostyryl] -7- (2-Chenylacetamide) -3-cef-4-carboxylic acid or 7- [2- (2-Aminothiazol-4-yl) -2- (1-carboxy-1-methylethoxyimino) ) Acetoamide] -3- (2,4-dinitrostyryl) -3-cef-4-carboxylic acid (hereinafter, referred to as HMR Z compound) is particularly preferable.
- kits of the present invention the classes A, B, C, D and ESBL of luciferase can be quickly and quickly determined.
- the present invention also includes the step of adding a sample solution containing an analyte to any of the aforementioned solutions containing the reagent composition for detecting laccase mase, and / or the detection of lactamase. About the method.
- the method of the present invention includes adding a sample solution containing an analyte to the detection reagent composition-containing liquid prepared as described above.
- a predetermined temperature for example, at room temperature
- a predetermined time for example, about 30 minutes
- the activity can also be quantified by measuring the change in color tone at a specific wavelength.
- Nitrocefin is 3- [2,4-dinitrostyryl] -7- (2- phenylacetamide) -3-cef-4-carboxylic acid,
- the HMRZ compound is 7- [2- (2-Aminothiazol-4-yl) -2- (1-carboxy-1-methylethyloximino) acetamide] -3- (2,4-dinitrostyryl) -3- Cef-4-force rubonic acid,
- AZT stands for aztreonam
- EDTA stands for ethylenediaminetetraacetic acid
- CVA stands for clavulanic acid.
- the bacteria listed in Table 2 below are used as non-mase-producing bacteria, class A-producing bacteria, class B-producing bacteria, class C-producing bacteria, and ESBL-producing bacteria. inoculated to prepare a sample solution of each 1 0 8 CFU / mL to. Table 2
- the plate prepared above was inoculated with 50 ⁇ L of the sample solution per 1 ⁇ l of the microplate.
- the reactivity to ⁇ -lactamase was examined by observing the change in color tone 30 minutes after inoculation.
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002504183A CA2504183A1 (en) | 2002-10-29 | 2003-10-29 | .beta.-lactamase detecting reagent composition, detection kit and dectection method |
DE60326622T DE60326622D1 (de) | 2002-10-29 | 2003-10-29 | Reagenzzusammensetzung, kit und verfahren zur unterscheidung von beta-lactamasen |
AU2003280590A AU2003280590A1 (en) | 2002-10-29 | 2003-10-29 | Beta -lactamase detecting reagent composition, detection kit and detection method |
DK03769947T DK1557473T3 (da) | 2002-10-29 | 2003-10-29 | Reagenssammensætning til at skelne beta-lactamaser, kit og fremgangsmåde dermed |
EP03769947A EP1557473B1 (en) | 2002-10-29 | 2003-10-29 | Reagent composition for discriminating beta-lactamases, kit and method thereof |
US11/118,465 US20060014230A1 (en) | 2002-10-29 | 2005-04-29 | Beta-lactamase detecting reagent composition, detection kit and detection method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-314681 | 2002-10-29 | ||
JP2002314681 | 2002-10-29 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/118,465 Continuation US20060014230A1 (en) | 2002-10-29 | 2005-04-29 | Beta-lactamase detecting reagent composition, detection kit and detection method |
Publications (1)
Publication Number | Publication Date |
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WO2004040008A1 true WO2004040008A1 (ja) | 2004-05-13 |
Family
ID=32211621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/013835 WO2004040008A1 (ja) | 2002-10-29 | 2003-10-29 | β−ラクタマーゼ検出試薬組成物、検出キット及び検出方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US20060014230A1 (ja) |
EP (1) | EP1557473B1 (ja) |
KR (1) | KR20050083843A (ja) |
CN (1) | CN1729299A (ja) |
AT (1) | ATE425261T1 (ja) |
AU (1) | AU2003280590A1 (ja) |
CA (1) | CA2504183A1 (ja) |
DE (1) | DE60326622D1 (ja) |
DK (1) | DK1557473T3 (ja) |
ES (1) | ES2324031T3 (ja) |
WO (1) | WO2004040008A1 (ja) |
Cited By (3)
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WO2006085027A3 (fr) * | 2005-02-10 | 2007-03-01 | Biomerieux Sa | Milieux pour la detection specifique de microorganismes resistants |
CN107660233A (zh) * | 2015-04-03 | 2018-02-02 | 第戎大学 | 用于检测产β‑内酰胺酶的细菌的存在的新方法 |
US10782291B2 (en) | 2006-12-19 | 2020-09-22 | Becton Dickinson And Company | Chromogenic medium for the detection and identification of Vancomycin resistant enterococci and method therefor |
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JP2005501806A (ja) * | 2001-01-12 | 2005-01-20 | ザ・レジェンツ・オブ・ザ・ユニバーシティ・オブ・カリフォルニア | フェノール性エーテルを有する、β−ラクタマーゼの基質 |
US20050227309A1 (en) * | 2004-01-21 | 2005-10-13 | Corry Schuyler B | Optically-detectable enzyme substrates and their method of use |
US8097434B2 (en) | 2007-10-19 | 2012-01-17 | Becton, Dickinson And Company | Methods for the detection of beta-lactamases |
US9834807B2 (en) | 2008-10-20 | 2017-12-05 | Becton, Dickinson And Company | Compositions for the detection of intracellular bacterial targets and other intracellular micororganism targets |
CN101993910B (zh) * | 2009-08-11 | 2013-01-02 | 湘北威尔曼制药股份有限公司 | 一种β-内酰胺酶的检测方法及检测试纸 |
CN102115780B (zh) * | 2010-12-15 | 2013-01-30 | 黑龙江省乳品工业技术开发中心 | 一种检测β-内酰胺酶的试剂盒及其制备和检测方法 |
CN103509083B (zh) * | 2012-06-28 | 2016-06-08 | 王郁生 | 一种广谱β-内酰胺酶荧光底物及其制备方法和应用 |
GB201317619D0 (en) | 2013-10-04 | 2013-11-20 | Uni I Oslo | Compounds |
KR20160011296A (ko) | 2014-07-21 | 2016-02-01 | 웹스씨스템(주) | 시료-시약 반응 검사 키트 및 이를 포함하는 바이오 스캐너 |
GB201613946D0 (en) | 2016-08-15 | 2016-09-28 | Univ Oslo | Compounds |
GB201712671D0 (en) * | 2017-08-07 | 2017-09-20 | Mast Group Ltd | Chromogenic Carbapenemase detection method |
CN107779494B (zh) * | 2017-11-02 | 2021-08-17 | 北京中生金域诊断技术股份有限公司 | 一种检测感染性阴道炎的试剂盒及其制备方法 |
CN107607719B (zh) * | 2017-11-02 | 2019-08-02 | 北京中生金域诊断技术股份有限公司 | 一种测定样品中β-内酰胺酶方法 |
CN108330158A (zh) * | 2018-04-09 | 2018-07-27 | 江苏省产品质量监督检验研究院 | 一种生鲜乳中β-内酰胺酶内外源性分析方法 |
CN112666155A (zh) * | 2019-10-16 | 2021-04-16 | 广东第二师范学院 | 定量检测多种β-内酰胺酶抑制剂残留的试剂盒及其使用方法 |
CN111198266A (zh) * | 2020-01-09 | 2020-05-26 | 深圳市博奥通科生物制品有限公司 | 舒巴坦快速检测试剂盒 |
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WO2002024707A1 (fr) | 2000-09-22 | 2002-03-28 | Zenyaku Kogyo Kabushiki Kaisya | Composes cephemes et reactifs de detection de beta-lactamases a large spectre, contenant ces composes |
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2003
- 2003-10-29 AT AT03769947T patent/ATE425261T1/de not_active IP Right Cessation
- 2003-10-29 DE DE60326622T patent/DE60326622D1/de not_active Expired - Lifetime
- 2003-10-29 DK DK03769947T patent/DK1557473T3/da active
- 2003-10-29 EP EP03769947A patent/EP1557473B1/en not_active Expired - Lifetime
- 2003-10-29 CN CNA2003801071856A patent/CN1729299A/zh active Pending
- 2003-10-29 KR KR1020057007344A patent/KR20050083843A/ko not_active Application Discontinuation
- 2003-10-29 WO PCT/JP2003/013835 patent/WO2004040008A1/ja active Application Filing
- 2003-10-29 AU AU2003280590A patent/AU2003280590A1/en not_active Abandoned
- 2003-10-29 CA CA002504183A patent/CA2504183A1/en not_active Abandoned
- 2003-10-29 ES ES03769947T patent/ES2324031T3/es not_active Expired - Lifetime
-
2005
- 2005-04-29 US US11/118,465 patent/US20060014230A1/en not_active Abandoned
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CN1729299A (zh) | 2006-02-01 |
DK1557473T3 (da) | 2009-05-04 |
EP1557473B1 (en) | 2009-03-11 |
DE60326622D1 (de) | 2009-04-23 |
AU2003280590A1 (en) | 2004-05-25 |
US20060014230A1 (en) | 2006-01-19 |
CA2504183A1 (en) | 2004-05-13 |
EP1557473A1 (en) | 2005-07-27 |
ATE425261T1 (de) | 2009-03-15 |
EP1557473A4 (en) | 2006-11-08 |
KR20050083843A (ko) | 2005-08-26 |
ES2324031T3 (es) | 2009-07-29 |
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