WO2005079847A1 - Cdc42タンパク質の核内移行促進剤及びそのスクリーニング方法 - Google Patents
Cdc42タンパク質の核内移行促進剤及びそのスクリーニング方法 Download PDFInfo
- Publication number
- WO2005079847A1 WO2005079847A1 PCT/JP2005/003008 JP2005003008W WO2005079847A1 WO 2005079847 A1 WO2005079847 A1 WO 2005079847A1 JP 2005003008 W JP2005003008 W JP 2005003008W WO 2005079847 A1 WO2005079847 A1 WO 2005079847A1
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- Prior art keywords
- inhibitor
- protein
- cdc42
- hmg
- cdc42 protein
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
- A61K31/51—Thiamines, e.g. vitamin B1
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/14—Vasoprotectives; Antihaemorrhoidals; Drugs for varicose therapy; Capillary stabilisers
Definitions
- the present invention relates to an agent for promoting nuclear import of Cdc42 protein and a method for screening the same.
- the present invention relates to an isoprenoid synthesis inhibitor and a Z or gera-rugeranyl transferase inhibitor
- the present invention relates to an agent for promoting nuclear translocation of Cdc42 protein comprising an isoprenoid synthesis inhibitor and a Z or gera-rugeranyl transferase inhibitor, preferably an isoprenoid synthesis inhibitor, and more preferably an HMG-CoA reductase inhibitor.
- the present invention relates to the use of the drug as a nuclear translocation promoter, a method for promoting the nuclear translocation of Cdc42 protein using the drug, and a pharmaceutical composition comprising the drug.
- the present invention relates to a vascular therapeutic agent containing the Cdc42 protein nuclear translocation promoter as an active ingredient, and a method for screening a vascular therapeutic agent by measuring the nuclear translocation ability of Cdc42 protein.
- GTP-binding protein is a generic term for proteins having endogenous GTP hydrolyzing activity, and a group of G proteins involved in mRNA translation, and a trimer G that is coupled to a seven-transmembrane receptor. Proteins and low molecular weight G proteins are known (Experimental Medicine 2003; 21: 1377-145). Among them, the low-molecular-weight G protein group has a subunit structure and has been reported as more than 100 types of proteins with a molecular weight of 21,30,000. It is involved in intracellular signaling as GTP-bound (on) and ZGDP-bound (off).
- Rho family 1 regulates cellular functions through rearrangement of the actin cytoskeleton and, like the Ras family, is involved in regulating gene expression. Rho induces the formation of actin stress fibers and adhesion spots, Rac induces the formation of lamellipodia, and Cdc42 induces the formation of filamentous processes (filopodia).
- Cdc42 a low-molecular-weight G protein belonging to the Rho family, is a protein with a molecular weight of 21 kDa and is involved in various cell activities such as filamentous process formation, cell adhesion, cell motility, cell polarity, and regulation of gene expression.
- GTP-bound (GT P-bound) Cdc42 target proteins include PAK (p21-activated kinase), MRCK (.myotonic dystrophy kinase-related Cdc42 binding kinase), WAPS, and IwGAP1 I have.
- Cdc42 regulates the expression of various genes through MAP kinase cascade by PAR activation, and is involved in the formation of focal contacts and filamentous processes (filopodia) in association with WASP and MRCK. It also controls intercellular adhesion in relation to IQGAP1.
- HMG-CoA (3-hydroxy-3-methyl-glutaryl-CoA) reductase inhibitors catalyze the early rate-limiting step in cholesterol biosynthesis, that is, the conversion of HMG-CoA to mevalonic acid. It is known to be an inhibitor of the enzyme that causes hypercholesterolemia.
- HMG-CoA reductase inhibitors have been shown to reduce the incidence of atherosclerotic disease in large-scale studies, but overlap analysis and other studies show that HMG-CoA reductase inhibitors It has been shown that, apart from the cholesterol lowering effect exerted by inhibiting cholesterol, an effect exerted on the blood vessel wall is involved.
- HMG-CoA reductase inhibitor inhibits HMG-CoA reductase in vascular wall cells and reduces the activity of low-molecular-weight G protein through the action of decreasing isoprenoid production, It is thought to have various effects on cell function and to inhibit arteriosclerosis by showing an anti-inflammatory response in the blood vessel wall.
- HMG-CoA reductase inhibitors inhibit endothelial cell activation, improve endothelial function, inhibit or improve adhesion of monocyte Z macrophages and foam, and inhibit smooth muscle migration and proliferation. Forces having effects such as suppression and plaque stabilization, etc. It has been reported that these effects involve Rho, Rac, and Cdc42, which are low-molecular-weight G proteins of the Rho subfamily.
- the endothelial function-improving effect of the HMG-CoA reductase inhibitor is remarkably manifested in a short time after the start of administration, and is considered to be important among various actions.
- the present inventors examined the effect of pitapastatin, an HMG-CoA reductase inhibitor, on gene expression in vascular endothelial cells, and examined the effects of pitapastatin on the inflammatory site force-in IL-8 and MCP- Suppresses the expression of NO1, endothelin, and PAI-1 while promoting the expression of NO synthase involved in vasodilation and contraction, and the expression of thrombomodulin in the coagulation and fibrinolysis system (J. Atheroscler. Thromb. , 2002; 9: 178-183) and suppressing the expression of PTX3 (which promotes the expression of TF and is an indicator of atherosclerosis progression) (J. Atheroscler. Thromb., 2004; 11: 62-183). I've found it.
- the present invention relates to an isoprenoid synthesis inhibitor and an HMG-CoA reductase inhibitor, which is one type of an isoprenoid synthesis inhibitor, preferably an isoprenoid synthesis inhibitor, more preferably an isoprenoid synthesis inhibitor.
- an isoprenoid synthesis inhibitor preferably an isoprenoid synthesis inhibitor, more preferably an isoprenoid synthesis inhibitor.
- the present invention also relates to HMG-CoA reduction which is an isoprenoid synthesis inhibitor and one of Z or geranylgeral transferase inhibitors, preferably an isoprenoid synthesis inhibitor, more preferably one of isoprenoid synthesis inhibitors.
- the present invention relates to the use of an enzyme inhibitor as a promoter of nuclear translocation of Cdc42 protein, and comprising administering to a cell an inhibitor of isoprenoid synthesis and a Z or gera-rugeral transferase inhibitor.
- the present invention provides a vascular therapeutic agent comprising a Cdc42 protein nuclear translocation promoter as an active ingredient, a Cdc42 protein nuclear translocator promoter, and a vascular therapeutic drug comprising a pharmaceutically acceptable carrier.
- a composition is provided.
- the present invention provides use of an agent for promoting nuclear transfer of Cdc42 protein for the manufacture of a vascular therapeutic agent, and use of an effective amount of the agent for promoting nuclear transfer of Cdc42 protein required for the treatment and prevention of vascular disorders.
- a method of treating and preventing vascular disorders consisting of administration to patients in need of treatment.
- the present invention further provides a method for screening a vascular therapeutic agent, which comprises measuring the translocation of Cdc42 protein into the nucleus. More specifically, the present invention provides a screening method for a vascular therapeutic agent that expresses Cdc42 protein, adds a test substance to cells, and measures the translocation of Cdc42 protein into the nucleus. .
- FIG. 1 is a photograph of a transformed cell cultured in the absence of pitapastatin, into which a gene encoding a fusion protein of green fluorescent protein (GFP) and Cdc42 was introduced, and observed by a fluorescence microscope.
- GFP green fluorescent protein
- FIG. 2 is a photograph of a transformed cell cultured in the presence of pytanostatin, into which a gene encoding a fusion protein of GFP and Cdc42 has been introduced, and observed with a fluorescence microscope.
- FIG. 3 A gene encoding a fusion protein of GFP and Cdc42 was introduced, cultured in the presence of pytanostatin, and the nucleus was stained (red) by adding a nuclear dye, Hoechst. It is a photograph at the time of observing a transformed cell with a fluorescence microscope.
- the present inventors measured the behavior of Cdc42 protein in HU VEC using an HMG-CoA reductase inhibitor, particularly pitapastatin.
- an HMG-CoA reductase inhibitor particularly pitapastatin.
- a gene encoding a fusion protein of Cdc42 and a fluorescent protein, GFP was introduced into HUVEC to prepare a transformed cell expressing the GFP-Cdc42 fusion protein.
- the transformed cells were cultured, and the distribution state of intracellular Cdc42 with and without pitapastatin was observed as fluorescence by GFP.
- FIG. 1 shows the distribution of Cdc42 in transformed cells cultured in the absence of pitapastatin. It is a photograph instead of a drawing which shows the result of having observed the cloth state with a fluorescence microscope. In Fig. 1, fluorescence from GFP can be observed over almost the entire area of the cells, indicating that Cdc42 protein is distributed throughout the transformed cells.
- FIG. 2 the result of observing the distribution state of Cdc42 in the transformed cells cultured in the presence of pitapatin using a fluorescence microscope is shown in FIG. 2 by a photograph as a drawing.
- FIG. 2 it can be observed that the GFP fluorescence is localized at a certain location of the cell.
- Hoechst (Lydon M., et al, J. Cell Physiol, 102, 175-181 (1980); Sriram M., et. al., Biochemistry, 31, 11823-11834 (1992)).
- FIG. 3 the nucleus stained with Hoechst was observed in red. This was consistent with the site where the GFP fluorescence was localized.
- the Hoechst used here is a fluorescent dye having cell membrane permeability and specifically binds to the AT sequence in the minor groove of DNA. From the above experiments, it was shown that when vascular endothelial cells were treated with pitavastatin, GFP-Cdc42 translocated to the same position as the site stained by the nuclear staining dye Hoechst, ie, to the nucleus. Thus, it was found that the HMG-CoA reductase inhibitor had an effect of transferring intracellular Cdc42 protein to the nucleus.
- the nuclear transfer promoter of the Cdc42 protein of the present invention is useful for the functions related to the Cdc42 protein: control of cell motility, cell polarity, intracellular signal transduction, gene expression, etc., particularly, control of gene expression in vascular wall cells. It has an important effect and is considered to be useful as a vascular treatment agent, particularly an endothelial cell function improving agent and a cell adhesion inhibitor.
- Examples of the isoprenoid synthesis inhibitor which is a Cdc42 protein nuclear translocation promoter in the present invention include HMG-CoA synthase inhibitor (Proc. Natl. Acad. Sci. USA.,
- HMG-CoA reductase inhibitor HMG-CoA reductase inhibitor
- AMPK activator such as fibrate
- funaresyl pyrophosphate synthase such as N-containing bisphosphonate Inhibitors (Biochem. Biophys. Res. Commun., 1999; 264: 108-111).
- examples of the gera-rugeranyltransferase inhibitor which is a Cdc42 protein nuclear translocation promoter in the present invention, include those described in known literature, such as those described in Biochemical Pharmacology 2000; 60: 1061-1068. it can. This Any of these enzyme inhibitors may have an activity capable of completely or partially inhibiting the activity of the target enzyme.
- Lonostatin (Dani name: (+) (IS, 3R, 7S, 8S, 8aR) -l, 2, 3, 7, 8, 8a-Hexahydro-1,3,7-dimethyl- 8— [2— [( 2R, 4R) -tetrahydro-4-hydroxy-1oxo-2H-pyran-2-yl] ethyl] -1 naphthyl (S) 2-methylbutyrate (see U.S. Pat. No. 4,231,938);
- Pravastatin (Dani name: (+) (3R, 5R) -3,5-dihydroxy-7— [(IS, 2S, 6S, 8S, 8aR) — 6-hydroxy-2-methyl-8— [(S) — 2 —Methylbutyryloxy] —1,2,6,7,8,8a-hexahydro-1naphthyl] heptanoic acid (see US Pat. No. 4,346,227));
- Atorvastatin (Dani name: (3R, 5R) — 7— [2- (4 Fluorophenyl) -5 isopropyl 3-Fu-ru 4 Phenyl-carbamoyl 1H—Pyrrolo 1-yl] —3,5-Dihydro Xyheptanoic acid (see US Pat. No. 5,273,995);
- a particularly preferred inhibitor is pitanostatin.
- Another method for screening a vascular therapeutic agent which is characterized by measuring nuclear translocation of Cdc42 protein, according to the present invention, comprises labeling or staining Cdc42 protein and translocating it into the nucleus. And the like.
- Methods for labeling Cdc42 protein include genetic engineering techniques. Specifically, using fluorescent proteins BFP, CFP, and YFP, including GFP (Atsushi Takawaki: Visualizing intracellular phenomena with fluorescent bioimaging. RIKEN-Use 255: September 2002) A method using a fusion protein of these with the Cdc42 protein may be mentioned.
- Examples of a method for staining the Cdc42 protein include immunological techniques. Specifically, use of a fluorescent antibody or an enzyme antibody can be mentioned. In particular, a method in which a fusion protein of a fluorescent protein such as GFP and the Cdc42 protein is prepared by a genetic engineering technique and the nuclear translocation of the fusion protein is visually identified is preferable.
- the Cdc42 protein nuclear translocation promoter of the present invention localizes the Cdc42 protein in the nucleus of cells in a test using various cells that can be used not only as a medicament for the prevention of treatment of vascular disorders. It can also be used as a reagent when it is desired to keep it. That is, it can be used not only as an active ingredient in medicine but also as a reagent for experiments and a reagent in diagnostics.
- the vascular therapeutic agent of the present invention the above-described agent for promoting nuclear import of the Cdc42 protein of the present invention is used, or the agent comprises the agent for promoting nuclear import of the Cdc42 protein and a pharmaceutically acceptable carrier.
- Pharmaceutical compositions for vascular treatment are included.
- the administration route of the vascular therapeutic agent of the present invention includes, for example, oral administration using tablets, capsules, granules, powders, syrups, etc., or intravenous injections, intramuscular injections, suppositories, inhalants. And parenteral administration using a percutaneous absorbent, eye drops, nasal drops and the like.
- the active ingredient is used alone or in combination with other pharmaceutically acceptable excipients, binders, bulking agents, disintegrants, A surfactant, a lubricant, a dispersant, a buffer, a preservative, a flavoring agent, a fragrance, a coating agent, a carrier, a diluent and the like can be used in appropriate combination with one or more kinds.
- oral administration is preferred as the administration route of the HMG-CoA reductase inhibitor.
- the pH is adjusted in consideration of the stability of the active ingredient (Japanese Patent Laid-Open No. 2-6406, Japanese Patent No. 2,774,037, WO97Z23200, etc.). And incorporated herein by reference.).
- the dose of these drugs varies depending on the weight, age, sex, symptoms, etc. of the patient.
- the active ingredient is an isoprenoid synthesis inhibitor and Z or geranylgeral transferase inhibitor. It is preferred that 0.01 to 1000 mg, especially 0.1 to 100 mg, per day be orally administered once or in several divided doses.
- a gene encoding the entire region of the translation region of Cdc42 was introduced into a predetermined position of a sales plasmid pEGF P-C1 for preparing a fusion protein of GFP and a desired protein, and the GFP-Cdc42 gene was obtained.
- a plasmid containing was constructed.
- FIG. 2 shows the results of fixing the cells thus prepared on a preparation and observing them with a fluorescence microscope.
- Fig. 3 shows the results of staining the cells with a nuclear staining dye Hoechst.
- the present invention relates to an agent for promoting nuclear translocation of Cdc42 protein, and it is known that Cdc42 protein is involved in proliferation of vascular endothelial cells and restoration of barrier function, and in endothelin signaling. And plays an important role in the development of vascular disease through regulation of the expression of various genes related to vasoconstriction 'expansion, inflammation and blood coagulation'fibrinolysis. It is extremely useful industrially as a drug for treating and preventing various vascular diseases.
- the present invention also provides a method for screening a blood vessel therapeutic agent, which comprises measuring the translocation of Cdc42 protein into the nucleus, and develops a new therapeutic agent or a preventive agent for vascular disease. Industrially useful as a method for this.
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
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Abstract
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/590,492 US20070293535A1 (en) | 2005-02-24 | 2005-02-24 | Nuclear Transfer Promoter for Ddc42 Protein and Method of Screening the Dame |
| EP05719458.1A EP1719525B1 (en) | 2004-02-25 | 2005-02-24 | Nuclear transfer promoter for cdc42 protein and method of screening the same |
| JP2006510307A JP4728226B2 (ja) | 2004-02-25 | 2005-02-24 | Cdc42タンパク質の核内移行促進剤及びそのスクリーニング方法 |
| US12/548,239 US8252524B2 (en) | 2004-02-25 | 2009-08-26 | Method of screening pharmaceutical compositions that promote nuclear transfer of Cdc42 protein |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54707504P | 2004-02-25 | 2004-02-25 | |
| US60/547,075 | 2004-02-25 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US54707504P Continuation | 2004-02-25 | 2004-02-25 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/590,492 A-371-Of-International US20070293535A1 (en) | 2005-02-24 | 2005-02-24 | Nuclear Transfer Promoter for Ddc42 Protein and Method of Screening the Dame |
| US12/548,239 Division US8252524B2 (en) | 2004-02-25 | 2009-08-26 | Method of screening pharmaceutical compositions that promote nuclear transfer of Cdc42 protein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005079847A1 true WO2005079847A1 (ja) | 2005-09-01 |
Family
ID=34886288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/003008 Ceased WO2005079847A1 (ja) | 2004-02-25 | 2005-02-24 | Cdc42タンパク質の核内移行促進剤及びそのスクリーニング方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8252524B2 (ja) |
| EP (1) | EP1719525B1 (ja) |
| JP (1) | JP4728226B2 (ja) |
| WO (1) | WO2005079847A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8252524B2 (en) | 2004-02-25 | 2012-08-28 | Kowa Company, Ltd. | Method of screening pharmaceutical compositions that promote nuclear transfer of Cdc42 protein |
| US8309574B2 (en) * | 2004-02-25 | 2012-11-13 | Kowa Company, Ltd. | Nuclear transfer promoter for Rac protein and method of screening the same |
| JP2015521863A (ja) * | 2012-07-13 | 2015-08-03 | エル. ホルツマン,ジョーダン | アルツハイマー病の治療のための治療薬剤をスクリーニングするための細胞モデルと動物モデル |
| WO2020000470A1 (zh) * | 2018-06-29 | 2020-01-02 | 深圳市博奥康生物科技有限公司 | 促进cdc42蛋白过表达的重组载体及其构建方法 |
| WO2023195509A1 (ja) * | 2022-04-08 | 2023-10-12 | 国立大学法人京都大学 | 血管内皮バリア破綻の阻害剤及びその使用 |
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- 2005-02-24 WO PCT/JP2005/003008 patent/WO2005079847A1/ja not_active Ceased
- 2005-02-24 JP JP2006510307A patent/JP4728226B2/ja not_active Expired - Fee Related
- 2005-02-24 EP EP05719458.1A patent/EP1719525B1/en not_active Expired - Lifetime
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8252524B2 (en) | 2004-02-25 | 2012-08-28 | Kowa Company, Ltd. | Method of screening pharmaceutical compositions that promote nuclear transfer of Cdc42 protein |
| US8309574B2 (en) * | 2004-02-25 | 2012-11-13 | Kowa Company, Ltd. | Nuclear transfer promoter for Rac protein and method of screening the same |
| JP2015521863A (ja) * | 2012-07-13 | 2015-08-03 | エル. ホルツマン,ジョーダン | アルツハイマー病の治療のための治療薬剤をスクリーニングするための細胞モデルと動物モデル |
| WO2020000470A1 (zh) * | 2018-06-29 | 2020-01-02 | 深圳市博奥康生物科技有限公司 | 促进cdc42蛋白过表达的重组载体及其构建方法 |
| WO2023195509A1 (ja) * | 2022-04-08 | 2023-10-12 | 国立大学法人京都大学 | 血管内皮バリア破綻の阻害剤及びその使用 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005079847A1 (ja) | 2007-10-25 |
| EP1719525A1 (en) | 2006-11-08 |
| EP1719525A4 (en) | 2009-09-23 |
| EP1719525B1 (en) | 2014-12-10 |
| JP4728226B2 (ja) | 2011-07-20 |
| US8252524B2 (en) | 2012-08-28 |
| US20100221766A1 (en) | 2010-09-02 |
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