WO2006043586A1 - 細胞遊走活性測定法 - Google Patents
細胞遊走活性測定法 Download PDFInfo
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- WO2006043586A1 WO2006043586A1 PCT/JP2005/019187 JP2005019187W WO2006043586A1 WO 2006043586 A1 WO2006043586 A1 WO 2006043586A1 JP 2005019187 W JP2005019187 W JP 2005019187W WO 2006043586 A1 WO2006043586 A1 WO 2006043586A1
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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
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
- G01N33/5008—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for testing or evaluating the effect of chemical or biological compounds, e.g. drugs, cosmetics
- G01N33/502—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for testing or evaluating the effect of chemical or biological compounds, e.g. drugs, cosmetics for testing non-proliferative effects
- G01N33/5029—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for testing or evaluating the effect of chemical or biological compounds, e.g. drugs, cosmetics for testing non-proliferative effects on cell motility
Definitions
- the present invention relates to a method for measuring cell migration activity. More specifically, the present invention relates to a method for measuring cell migration activity corresponding to a specific cell migration inducer in vivo, and a method for evaluating a cell migration inhibitory compound by using the method. And a method for producing the compound.
- a wide variety of cell migration inducers (such as chemokines and cytodynamic ins) are produced in tissue inflammation sites. Furthermore, it is known that immunocompetent cells attracted by the cell migration inducer are involved in the onset and exacerbation of the inflammation.
- the (pneumococcus) model induces inflammation by injecting an inflammation-inducing agent such as LPS or force ragenin into the pneumoconiosis and accumulates endogenous neutrophils, macrophages, etc. in the pneumoconiosis.
- an inflammation-inducing agent such as LPS or force ragenin
- Non-Patent Document 1 Garcia-Ramallo, E, Journal of lmmunology, 2002, 169 ⁇ , No. 11, p. 6467-6473 .
- Non-Patent Document 2 Nakamura, H, Proceedings ⁇ Ob ⁇ The ⁇ National ⁇ Academia ⁇ Ob ⁇ Science ⁇ Ob ⁇ The ⁇ United ⁇ State ⁇ Ob ⁇ America ( Pr oceedings of the National Academy of Sciences or the United States of America.
- Non-Patent Document 3 McCole, S.R. (McColl.SR), Journal 'Ob' Immunology
- the air bladder model by arbitrarily selecting cells that can be attracted to the cell migration inducer and transferring the required number from the outside is completely known! /.
- the present inventors transfer cells that produce a specific cell migration inducer to the air bladder.
- the present inventors have found that this problem can be solved by arbitrarily selecting cells that can be attracted to the cell migration inducer and transferring the necessary number of cells from the outside, thereby completing the present invention.
- the present invention provides:
- [1] (1) A step of transferring cells that produce a cell migration inducer into the air bladder prepared under the skin of a mammal, (2) A step of transferring a cell to be measured to a site other than the air bladder of the mammal. (3) a step of recovering cells in the air bladder, and (4) a method of measuring cell migration activity as a step force for measuring the number of cells to be measured among the cells recovered in step (3),
- [2] (1) a step of administering a test compound or a control medium thereof to different mammals, (2) a step of transferring cells that produce a cell migration inducer into an air bag prepared subcutaneously in the mammal, ( 3) a step of transferring the cell to be measured to a part of the mammal other than the air bladder; (4) a step of collecting the cell in the air bladder; (5) of the cells recovered in step (4) A step of measuring the number of cells to be measured, and (6) cells to be measured in the air bladder of a mammal to which a test compound is administered relative to the number of cells to be measured in the air bladder of a mammal to which a control medium is administered.
- a method for evaluating the cell migration inhibitory activity of a test compound the step of comparing the number, [3] a step of selecting a substance having a cell migration inhibitory activity using the method for evaluating the cell migration activity of [2] above, and And a step of chemically synthesizing the substance selected by the above-mentioned step.
- Chemokines are 1-309, MCP-1, MIP-1a, MIP-1aP, MIP-1 ⁇ , RANTES ⁇ MRP-1, MCP-3, MCP-2, MIP-1 ⁇ , Eotaxin, MCP-5, MCP-4, MCIF, MIP-1 ⁇ , NCC-4 / LEC, TARC, MIP-4, MIP-3 j8, MIP-3a, SLC, MDC, MIP-3, Eotaxin 1, 2, TECK, eotaxin 1, skin force in, MEC, NAP—3, MIP—2a, MIP—2 j8, Cinc2, CXCL4, CXCL4 VI, ENA—78, CKA—3, PPBP, PPBPL1, IL — 8, MIG, IP—10, I—TAC, SDF-1a, SDF—1 ⁇ , BCA—1, MIP—2 ⁇ , Lang-force-in, SR—PSOX, NAP—4, Neurotactin, Midokine, The method according to [5] above, M
- the mammal is, for example, a mouse, rat, guinea pig, monkey or the like, preferably a mouse.
- the mouse is preferably a mouse having the same type of haplotype as the mouse from which the cells to be measured are derived.
- the cell to be measured when it is derived from a human, it is preferably an immunodeficient mammal.
- immunodeficient mammals include mice and rats.
- immunodeficient mice include mouse nude mice, skid mice, ALY mice, and the like.
- an air bladder prepared under the skin of a mammal can be prepared by injecting air into the mammal under the skin with a syringe or the like several days before the method of the present invention is performed. . It is preferable to make it on the back of the mammal.
- the order of the step (1) and the step (2) is arbitrary, but the order of the step (1) and the step (2) is performed. Steps (3) and (4) are performed.
- the step (2) is preferably performed after about 1 hour after the step (1) is performed, and the step (3) is preferably performed after 9 hours.
- the order of the steps (1) to (3) is arbitrary.
- the steps (1) to (3) It is preferable to be performed in the order of (4) to (6).
- the step (2) is preferably performed 30 minutes after the step (1), and the subsequent steps are preferably performed at intervals of steps corresponding to the above method.
- the evaluation method can be used even when a cell migration inhibitory compound is selected from a group of a plurality of individual test compounds.
- test compounds to be evaluated by the evaluation method of the present invention include chemically synthesized compounds, peptides, non-peptide compounds, proteins, fermentation products, cell extracts, plant extracts, animals. Examples thereof include tissue extracts or derivatives or modifications thereof, and these compounds may be novel compounds or known compounds.
- the test compound is preferably a chemically synthesized compound.
- test compound a physiologically acceptable salt which may form a salt is used.
- the salt of the test compound include alkali metal salts, alkaline earth metal salts, ammonium salts, amine salts, and acid addition salts.
- the salt is preferably water-soluble. Suitable salts include alkali metal (potassium, sodium, etc.) salts, alkaline earth metal (calcium, magnesium etc.) salts, ammonium salts, pharmaceutically acceptable organic amines (tetramethylammonium salt). Um, triethylamine, methyla And salts of amine, dimethylamine, cyclopentylamine, benzylamine, phenethylamine, piperidine, monoethanolamine, diethanolamine, tris (hydroxymethyl) aminomethane, lysine, arginine, N-methyl-D-glucamine and the like.
- the acid addition salt is preferably water-soluble.
- Suitable acid addition salts include, for example, inorganic acid salts such as hydrochloride, hydrobromide, hydroiodide, sulfate, phosphate, nitrate, or acetate, lactate, tartrate, Organic acid salts such as benzoates, citrates, methanesulfonates, ethanesulfonates, benzenesulfonates, toluenesulfonates, isethionates, glucuronates and darconates.
- inorganic acid salts such as hydrochloride, hydrobromide, hydroiodide, sulfate, phosphate, nitrate, or acetate, lactate, tartrate
- Organic acid salts such as benzoates, citrates, methanesulfonates, ethanesulfonates, benzenesulfonates, toluenesulfonates, ise
- the test compound control medium may be any solvent that can be orally or parenterally administered to an animal and can dissolve or suspend the test compound.
- distilled water physiological saline, methylcellulose (MC) aqueous solution, carboxymethylcellulose (CMC) aqueous solution, sucrose fatty acid ester (DK ester) aqueous solution and the like can be mentioned.
- the cell migration-inducing substance is a substance that can induce migration of the cell to be measured according to the present invention, and transiently and intermittently from cells transferred to the air bladder. It is produced continuously or continuously.
- the cell migration inducer may be a low molecular compound or a protein.
- it When it is a protein, it may be a protein derived from an endogenous or introduced or modified gene derived from any mammal. If the introduced protein is a protein derived from a modified gene, it may be expressed in a form fused with another protein as long as it has an equivalent cell migration-inducing activity.
- proteins suitable for fusion include, for example, tandem histidine (6xHis), Fc fragment of immunoglobulin constant region, GST (Dartathione 'S' transferase) and the like. These can be advantageous for purification work after mass production, can increase the solubility of the fusion protein, and can expect the effect of stabilizing the conformation.
- tandem histidine (6xHis)
- Fc fragment of immunoglobulin constant region GST (Dartathione 'S' transferase) and the like.
- amino acid sequence for example, an amino acid sequence translated from a gene listed in GenBank or RefSe q of the protein, or an access number of a protein listed in SwissProt, PIR, PRF, or PDB Amino acid sequence power
- a part of the amino acid preferably 1 to 10, more preferably 1 to 5 is deleted, any amino acid is substituted, Also included are those in which any amino acid is added or inserted at several places (preferably 1 to 10 places, more preferably 1 to 5 places) of the nonacid sequence, and those containing a combined amino acid sequence. It is.
- the positions of amino acid deletion, substitution, addition, or insertion are not particularly limited.
- the substantially equivalent activity includes, for example, signal signaling activity, receptor binding activity and the like. Substantially equivalent indicates that their properties are substantially equivalent (eg, physiologically or pharmacologically). Therefore, the signal transduction activity or the receptor binding activity should be equivalent (eg, about 0.01 to: LOO times, preferably about 0.1 to 10 times, more preferably 0.5 to 2 times). Although preferable, quantitative factors such as the degree of activity and the molecular weight of the protein may be different.
- the protein is preferably a chemokine or cytodynamic in, and more preferably a chemokine.
- chemokine examples include 1-309 (A37236, S 24236, P50229), MCP
- the chemokine is defined as a protein translated from a gene listed in GenBank or RefSeq, or a protein having an amino acid sequence related to the access number of a protein listed in SwissProt, PIR, PRF, or PDB.
- the numbers in parentheses following the general names of the chemokines above indicate the access numbers from the right to the amino acid sequences of the proteins that define the chemokines represented by the general names of human, mouse, and rat, respectively. "Indicates that the presence of chemokine in the animal species has not been confirmed.
- the chemokine and the cytodynamic force-in may be misaligned as long as they have a migration activity against the cell to be measured.
- a cell producing a cell migration inducer means a primary passage cultured cell, a cell line It may be any of the cells, or a gene-transfected cell or a gene-transfected stable transformed cell. However, it is preferably a cell that predominantly produces one or more cell migration inducers. Furthermore, as the cells that preferentially produce the one or more cell migration inducers, cells that have been genetically modified to express the cell migration inducer preferentially are preferred.
- a cell that has been genetically modified to express a cell migration inducer preferentially is a cell into which a gene encoding a protein involved in the production of the cell migration inducer has been introduced or a stable transformed cell into which the gene has been introduced.
- a cell migration inducer is a protein, and a cell into which a gene encoding the protein has been introduced or a stably transformed cell into which the gene has been introduced.
- any promoter may be used as long as it can function in the animal cell for gene introduction.
- the promoter include SV40 promoter, LTR promoter motor, metallothione promoter, cytomegalovirus promoter, and the like.
- an enhancer, RNA splicing signal, poly A addition signal, selection marker, etc. are used as the expression vector. Methods for constructing expression vectors are known per se and are described, for example, in Molecular Cloning, Laboratory Manual, Cold Spring Harbor Laboratory, Cold Spring Harbor Laboratory, 1982.
- Transformation can be performed according to a known method depending on the type of host.
- Animal cells should be transformed according to the method described in, for example, Cell Engineering Supplement 8 New Cell Engineering Experimental Protocol, Shujunsha, 1995, p.263-267, Virology, 1973, 52, 456. Can do.
- a medium for example, a MEM medium containing about 5 to 20% fetal calf serum [Science, 122 ⁇ , 501 (1952)], DM EM medium [Virology, 1959, 8 ⁇ , 396], RPMI 1640 medium [J. Am. Med. Assoc., 1967, 199 ⁇ , 519], 199 medium [Proc. Soc. Exo. Biol. Med., 1950, 73 ⁇ , 1] and the like. pH is It is preferably about 6-8. Incubate at about 30–40 ° C for about 15–60 hours with aeration or agitation as necessary.
- a method of stably expressing the protein using animal cells transformed with the expression vector of the gene a method in which the cell migration inducer expression vector is incorporated into the chromosome of the introduced cell, a method of introducing the introduced cell
- a method for allowing the gene to exist stably without being integrated into the chromosome for example, an amplification system of the dihydrofolate reductase (DHFR) gene [J. Mol. Biol, 1982, 159 ⁇ , 601] is used for the protein. The production amount of can be increased.
- DHFR dihydrofolate reductase
- Methods for selecting transformed animal cells are known per se, and are described in, for example, Experimental Medicine, Special Issue, 1987, 5th, 11th.
- a transformant is selected using the cell migration inducer gene and a selectable marker gene as an index.
- the selection marker may be introduced into the cell on the same vector as the gene concerned, or the selection marker may be placed on another vector and placed on another vector together with a vector having a larger amount of the gene. Alternatively, it may be introduced into cells (co-transformation).
- selectable markers include, for example, dihydrofolate reductase (DHFR) [methotrexate (MTX) resistance], thymidine kinase, Ecogpt gene (mycophenolate resistance), neo gene (G418I3 ⁇ 4), hygromycin B phosphotransferase gene ( Nogigromycin B resistance).
- DHFR dihydrofolate reductase
- MTX metalhotrexate
- Ecogpt gene mycophenolate resistance
- neo gene G418I3 ⁇ 4
- hygromycin B phosphotransferase gene Nogigromycin B resistance
- an expression vector that expresses the protein or is overexpressed is introduced,
- a transient is a cell that can stably express the protein.
- the expression vector a known one, a commercially available one, or one obtained by appropriately covering them can be used.
- pUC—SR a ZFLAG Preferably, pUC—SR a ZFLAG.
- the gene can be introduced into the cell by a known method, but preferably a commercially available gene introduction reagent is used. It is preferable to carry out the method according to the law. Particularly preferred is the lipofection method.
- the cells into which the gene is introduced include CHO cell line, COS-7 cell line, WEHI-3 cell line, and 293T cell line, and preferably 293T cell line.
- the number of cells producing a cell migration inducer transferred to the air bladder is the number of cells producing a sufficient amount of the cell migration inducer to allow measurement of the migration of the cell to be measured. If it is enough.
- the number of cells varies depending on the mammal used, the cell migration inducer, or the type of cells producing the cell migration inducer.
- the cell to be measured is a cell that can be migrated by the cell migration inducer according to the present invention, and is a cell having the same type of haplotype as the mammal to be transferred. It may be a thing.
- lymphocytes T cells, B cells, natural killer cells (NK cells), monocytes, epithelial cells, macrophages, or granulocytes (eg, neutrophils, eosinophils, More preferably T cells, CD4 positive T cells or CD8 positive T cells, particularly preferably cells enriched as Thl-like or Th2-like cells. is there.
- the transfer of the cells to be measured refers to the transfer of the required number of cells to be measured from the outside, and any portion capable of cell migration to the air bladder is used. Preferably, it may be performed on a mammalian vein, more preferably on the tail vein.
- the number of cells to be transferred may be a sufficient number so that migratory cells can be measured.
- a mouse is used as the mammal and T is used as the cell to be measured.
- T is used as the cell to be measured.
- 2xl0 7 Z mice are preferably used.
- the number of cells varies depending on the mammal used, the cell migration inducer, or the type of cell producing the cell migration inducer.
- the measurement of the number of cells to be measured is performed by measuring the number of cells to be measured existing in the air bladder. It is preferable to use FACS for the measurement. Detection of the cell to be measured in FACS is preferably performed using an antibody against an antigen specific for the cell to be measured. Distinguish from migrating cells that are endogenous to the mammal into which the cells to be measured are introduced It is to do. For example, the influence of the endogenous migrating cells can be eliminated by detecting using an antibody against the alloantigen expressed on the cell to be measured. Allo antigen means allogeneic antigen and is an antigen that elicits an immune response between allogeneic species
- the cell migration inhibitory activity means an activity of suppressing cell migration caused only by a cell migration inducer produced from cell force transferred to air bladder, and Example 4 It is calculated according to the calculation formula described here.
- the cell migration inhibitory activity in a cell migration inhibitory substance means a compound that has been observed to have cell migration inhibitory activity by the method for evaluating cell migration inhibitory activity of the present invention. Specifically, when 1 to 300 mgZkg of the compound is orally administered as a test compound, the cell migration activity of the cell to be measured is suppressed by about 50% or more, preferably about 90% or more, more preferably about 95% or more. Means activity. More preferably, when the compound is orally administered at 1 to 30 mg Zkg as a test compound, the cell migration activity of the cell to be measured is suppressed by about 50% or more, preferably about 90% or more, more preferably about 95% or more. Active.
- the cell migration activity of the cells to be measured is suppressed by about 50% or more, preferably about 90% or more, and more preferably about 95% or more.
- the cell migration activity of the cell to be measured is about 50% or more, preferably about 90% or more, more preferably about 95% or more.
- the cell migration activity of the cell to be measured is about 50% or more, preferably about 90% or more, more preferably about 95% or more when the compound is administered intraperitoneally from 0.1 to 3 mg Zkg as a test compound. Inhibiting activity.
- the cell migration inducer is MDC which is a chemokine
- examples of the cell migration inhibitory substance include N- [5-bromo-3- (pyridine-3-ylmethoxy) virazine-2.
- —Yl] 4—Methylbenzenesulfonamide, N— [5—Bromo—3— ( ⁇ 3- [ 2- (Dimethylamino) ethoxy] —4-methoxybenzyl ⁇ oxy) pyrazine-2-yl]
- the method for producing a cell migration inhibitory substance includes a step of selecting a substance having cell migration inhibitory activity using a method for evaluating cell migration activity, and a substance selected by the above step. It is a method that includes the process of chemical synthesis in the series of manufacturing processes. Furthermore, among the steps in the production method, the step of synthesizing the selected substance is described in, for example, the method described in International Publication No. 2004-007472 pamphlet and International Publication No. 2004-052862 pamphlet, or examples thereof. It can be performed according to the method described.
- the cell migration inhibitory substance can be administered by itself, but can also contain one or more of these active ingredients, and can also contain pharmacologically acceptable additives for pharmaceutical preparations. It is preferable to prepare a pharmaceutical composition using a carotenoid or the like and administer it. Usually, it is administered systemically or locally, generally in an oral or parenteral form, preferably oral administration and intravenous administration.
- the cell migration inhibitory substance is converted into a salt by a known method.
- the salt is preferably a pharmaceutically acceptable salt.
- Examples of the salt include alkali metal salts, alkaline earth metal salts, ammonium salts, amine salts, acid addition salts, and the like.
- the salt is preferably water-soluble. Suitable salts include alkali metals (potassium, sodium Salts), alkaline earth metal (calcium, magnesium, etc.) salts, ammonium salts, pharmaceutically acceptable organic amines (tetramethylammonium, triethylamine, methylamine, dimethylamine, cyclopentylamine). And salts of min, benzylamine, phenethylamine, piperidine, monoethanolamine, diethanolamine, tris (hydroxymethyl) aminomethane, lysine, arginine, N-methyl-D-glucamine and the like.
- the acid addition salt is preferably water-soluble.
- Suitable acid addition salts include, for example, inorganic acid salts such as hydrochloride, hydrobromide, hydroiodide, sulfate, phosphate, nitrate, or acetate, lactate, tartrate, Organic acid salts such as benzoates, citrates, methanesulfonates, ethanesulfonates, benzenesulfonates, toluenesulfonates, isethionates, glucuronates and darconates.
- inorganic acid salts such as hydrochloride, hydrobromide, hydroiodide, sulfate, phosphate, nitrate, or acetate, lactate, tartrate
- Organic acid salts such as benzoates, citrates, methanesulfonates, ethanesulfonates, benzenesulfonates, toluenesulfonates, ise
- the dose varies depending on age, body weight, symptoms, therapeutic effect, administration method, treatment time, etc., but it is usually in the range of 100 / ⁇ to 100111 8 per adult, once a day
- the mosquitoes are also administered orally several times, or parenterally once a day in the range of ⁇ / zg to lOOmg per adult.
- the dose varies depending on various conditions, and therefore, a dose smaller than the above dose may be sufficient or may be necessary beyond the range.
- Solid compositions for oral administration include tablets, pills, capsules, powders, granules and the like.
- Capsules include soft capsules and hard capsules.
- one or more active substance forces at least one inert diluent (for example, latatose, mannitol, glucose, hydroxypropyl pill cellulose, microcrystals) Cellulose, starch, polybulurpyrrolidone, magnesium metasilicate, etc.).
- the composition is made of additives other than inert diluents, such as a lubricant (magnesium stearate, etc.), a disintegrant (fibrin gallic acid calcium, etc.), a stabilizer (human serum albumin, ratatose). Etc.), solubilizing agents (arginine, aspartic acid, etc.) may be contained.
- Tablets or pills may be coated with a gastric or enteric film such as sucrose, gelatin, hydroxypropylcellulose, hydroxypropylmethylcellulose phthalate, etc. if necessary, or may be coated with two or more layers. May be. More like gelatin is absorbed Capsules of possible substances are also included.
- a gastric or enteric film such as sucrose, gelatin, hydroxypropylcellulose, hydroxypropylmethylcellulose phthalate, etc. if necessary, or may be coated with two or more layers. May be. More like gelatin is absorbed Capsules of possible substances are also included.
- Liquid compositions for oral administration include pharmaceutically acceptable emulsions, solutions, suspensions, syrups, elixirs, etc., and commonly used inert diluents (eg, Purified water, ethanol, etc.). Such compositions may contain, in addition to inert diluents, adjuvants such as wetting and suspending agents, sweeteners, flavors, fragrances and preservatives.
- inert diluents eg, Purified water, ethanol, etc.
- adjuvants such as wetting and suspending agents, sweeteners, flavors, fragrances and preservatives.
- Injections for parenteral administration include sterile aqueous or non-aqueous solutions, suspensions, and emulsions.
- aqueous or non-aqueous solution or suspension one or more active substances are mixed with at least one inert diluent.
- the aqueous diluent include distilled water for injection and physiological saline.
- Non-aqueous diluents include, for example, propylene glycol, polyethylene glycol, plant oils such as olive oil, alcohols such as ethanol, polysorbate 80 (registered trademark), and the like.
- Such a composition further includes preservatives, wetting agents, emulsifiers, dispersants, stabilizers (eg, human serum albumin, ratatose, etc.), solubilizing agents (eg, arginine, aspartic acid, etc.), etc. It may contain supplements.
- preservatives wetting agents, emulsifiers, dispersants, stabilizers (eg, human serum albumin, ratatose, etc.), solubilizing agents (eg, arginine, aspartic acid, etc.), etc. It may contain supplements.
- External preparations for parenteral administration include, for example, ointments, gels, creams, poultices, patches, liniments, sprays, inhalants, sprays, aerosols, eye drops, And nasal drops. These contain one or more active substances and are produced by known methods or commonly used formulations.
- sprays, inhalants, and sprays are buffers that provide isotonicity with stabilizers such as sodium bisulfite, such as sodium chloride and sodium quenate.
- stabilizers such as sodium bisulfite, such as sodium chloride and sodium quenate.
- an isotonic agent such as citrate may be contained.
- the production method of the spray is described in detail in, for example, US Pat. Nos. 2,868,691 and 3,095,355.
- compositions for parenteral administration include one or more active substances, suppositories for rectal administration and pessaries for vaginal administration, which are prescribed by conventional methods Etc. are included.
- the invention's effect include one or more active substances, suppositories for rectal administration and pessaries for vaginal administration, which are prescribed by conventional methods Etc. are included. The invention's effect
- Mouse MDCcDNA is the only known mouse PCR using the primers shown in SEQ ID NO: 1, 5, -AAAAAAAGAT CTGCCACCATGGCTACCCTGCGTGTCCCACT-3, and the primers shown in SEQ ID NO: 5, 5, AAAAAAGCGGCCGCGGACAGTTTATGGAGTA GCTTCT-3 It was amplified and isolated by a method according to the law. Similarly, mouse SDF-lcDNA is shown in SEQ ID NO: 3.
- mice TARC cDNA is also represented by the primers shown in SEQ ID NO: 5, 5,-AAAAAAAG ATCTGC C ACC ATG AGGTC ACTTC AG ATGCTGCT-3, and SEQ ID NO: 6.
- the mouse spleen cDNA library was amplified and isolated by a method according to the known PCR method.
- Each PCR product was separated and extracted by agarose gel electrophoresis, followed by restriction enzyme treatment with Bglll and Notl.
- expression vector pUC—SR a ZFLAG ligated with restriction enzyme was ligated and inherited in E. coli DH5a. Child introduced. After culturing the resulting ampicillin resistant colonies, the expression vector was extracted from the E. coli.
- Example 2 Preparation of mouse MDC expression 293T cells and mouse SDF-1 expression 293T cells 293T cells seeded to be 3xl0 6 / dish were subjected to the lipofussion method on the next day by the mouse MDC expression vector mouse MDCZpUC-SR. a Transfection of ZFLAG. The lipofusion method was performed in accordance with the method described in the instructions for use of the ribophetamine reagent and PLUS reagent purchased by Invitrogenka. The next day, the cells were collected.
- Mouse MDCZpUC—SR a ZFLAG has the configuration described in FIG. 1 (a).
- Mouse SDF-1-expressing 293T cells were prepared by the same method.
- Mouse SDF-1 / p UC-SRa ZFLAG has the configuration described in FIG. 1 (b).
- Example 3 Preparation of cells to be measured (Preparation of Thl and Th2-like cells)
- Spleen cells were prepared from BalbZc mouse spleen according to a conventional method.
- Mouse CD4 positive T cells were purified from the prepared spleen cells by a negative selection method using a mouse CD4 subset enrichment column (R & D).
- Mouse Thl-like and Th2-like differentiated cells were prepared using these cells.
- OxlO 6 cells / 2 mL were seeded and cultured at 37 ° C. in a CO incubator for 48 hours. This
- ThI-like cells When ThI-like cells are to be induced, add 20 ngZmL mIL-12, 2.5 ⁇ gZmL anti-mIL-4 antibody, and 1.0 ⁇ g / mL anti-mCD28 antibody. In order to induce differentiation into Th2-like cells, 20 ng ZmL mIL-4, 2.5 ⁇ g / mL anti-mIL-12 antibody and 1. O ⁇ g / mL anti-mCD28 antibody were added.
- the cells were collected and the anti-mTCR ⁇ antibody was removed. Thereafter, the cells were cultured in the presence of 2 ng / mL mIL-2 for 72 hours to obtain cells to be measured.
- test compound 1 was prepared by suspending in 1% DK ester (control medium).
- Test compound 1 test compound 2 (30 mgZkg and lOOmgZkg) or control medium is orally administered to each animal, and after 30 minutes, air bladder (previously injected subcutaneously on the back of the mouse)
- Mice MDC expressing 293T cells (or 293T cells to produce) in Nji were transferred to mock 293T cells) a 1 ⁇ 10 7/500 / ⁇ L / mouse of the air cormorants within.
- 1x1 0 7/500 ⁇ Th2-like component I spoon cells to be measured cells LZ mice were transferred into the tail vein 1 hour after.
- Lyl. 2 positive and CD4 positive cells were calculated as (B), and Lyl. 2 positive and CD4 positive cells in the 293T cell-transferred animals treated with the control medium were calculated as (C) according to the following formula.
- Cell migration inhibitory activity (%) (1— ((A) — (B) Z (C) — (B))) X 100
- the cell migration inhibitory activity evaluation method of the present invention comprises test compound 1 (N [5-bromo-3- (pyridine-1-3-methoxy) pyrazine-1-2-yl] -4-methylenobenzenes. (Lufonamide) and Test Compound 2 (N— [5 Bromo-3-( ⁇ 3- [2- (Dimethylamino) ethoxy] 4-methoxybenzyl ⁇ oxy) pyrazine 2-yl] 4-methylbenzenesulfonamide) I was able to evaluate.
- the method for measuring the cell migration activity of the present invention has specificity! /, A cell migration inhibitory compound having selectivity, which makes it possible to evaluate the action of a compound in vivo, and a pharmaceutical comprising the compound as an active ingredient. Can be used in product development.
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-305003 | 2004-10-20 | ||
| JP2004305003 | 2004-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006043586A1 true WO2006043586A1 (ja) | 2006-04-27 |
Family
ID=36203000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/019187 Ceased WO2006043586A1 (ja) | 2004-10-20 | 2005-10-19 | 細胞遊走活性測定法 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2006043586A1 (ja) |
-
2005
- 2005-10-19 WO PCT/JP2005/019187 patent/WO2006043586A1/ja not_active Ceased
Non-Patent Citations (4)
| Title |
|---|
| GARCIA-RAMALLO E ET AL: "Resident cell chemokine expression serves as the major mechanism for leukocyte recruitment during local inflammation.", J IMMUNOL., vol. 169, no. 11, 2002, pages 6467 - 6473, XP002993745 * |
| MCCOLL SR ET AL: "Inhibition of murine neutrophil recruitment in vivo by CXC chemokine receptor antagonists.", J IMMUNOL., vol. 163, no. 5, 1999, pages 2829 - 2835, XP002993744 * |
| MURAKAMI Y ET AL: "Antiinflammatory effect of retrovirally transfected interleukin-10 on monosodium urate monohydrate crystal-induced acute inflammation in murine air pouches.", ARTHRITIS RHEUM., vol. 46, no. 9, 2002, pages 2504 - 2513, XP002993743 * |
| YAMAMOTO Y ET AL: "Inhibitory action of spinorphin, an endogenous regulator of enkephalin-degrading enzymes, on carrageenan-induced polymorphonuclear neutrophil accumulation in mouse air-pouches.", LIFE SCI., vol. 62, no. 19, 1998, pages 1767 - 1773, XP002993746 * |
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