WO2012081531A1 - 疾病抑制剤 - Google Patents
疾病抑制剤 Download PDFInfo
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- WO2012081531A1 WO2012081531A1 PCT/JP2011/078645 JP2011078645W WO2012081531A1 WO 2012081531 A1 WO2012081531 A1 WO 2012081531A1 JP 2011078645 W JP2011078645 W JP 2011078645W WO 2012081531 A1 WO2012081531 A1 WO 2012081531A1
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Classifications
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7088—Compounds having three or more nucleosides or nucleotides
- A61K31/713—Double-stranded nucleic acids or oligonucleotides
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
- A61K31/198—Alpha-amino acids, e.g. alanine or edetic acid [EDTA]
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- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/08—Peptides having 5 to 11 amino acids
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/10—Peptides having 12 to 20 amino acids
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/0056—Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
- A61P19/10—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/04—Antineoplastic agents specific for metastasis
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/475—Growth factors; Growth regulators
- C07K14/51—Bone morphogenetic factor; Osteogenins; Osteogenic factor; Bone-inducing factor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/08—Linear peptides containing only normal peptide links having 12 to 20 amino acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
Definitions
- the present invention relates to a disease inhibitor.
- a peptide molecule having a specific structure is an essential component, and the suppression of osteoporosis, osteoarthritis, pressure ulcer, etc. (in the present invention, the term “suppression” is used as “prevention” to suppress the onset of symptoms.
- the present invention relates to a disease inhibitor used as an ingredient.
- Osteoporosis refers to a condition that causes a decrease in the absolute amount of bone but is not accompanied by qualitative changes in bone. Bone is constantly resorbed and formed, and if there is a difference between the resorption rate and the formation rate, and bone formation becomes a negative equilibrium, osteoporosis occurs. Bone resorption is performed by osteoclasts, and the greater the differentiation and activation of osteoclasts, the higher the bone resorption rate. On the other hand, bone formation is performed by osteoblasts, and the greater the differentiation and activation of osteoblasts, the higher the bone formation rate.
- Degenerative arthritis is a disease in which a chronic degenerative change and proliferative change occur simultaneously in the joint, and the shape of the joint changes.
- Articular cartilage gradually wears or is lost and bone is exposed.
- Articular cartilage does not have a vascular system, and in particular, repair and regeneration of joint sliding part chondrocytes and costal cartilage tissue is difficult compared to bone tissue in which blood vessels exist.
- the bone tissue supporting the articular cartilage becomes sparse (osteoporosis)
- the function of the joint is impaired, and as a result, osteoarthritis develops.
- Pressure sore refers to a condition in which the skin and soft tissue where the bone protrudes cause circulatory disturbance due to long-time compression between the bone and the bed and become necrotic when the bed is bedded for a long time.
- Patent Document 1 Japanese Patent Laid-Open No.
- Patent Document 2 containing at least one selected from collagen and collagen peptide, at least one selected from amino sugar, mucopolysaccharide and uronic acid Oral joint disorder therapeutic agent or functional food characterized by 3-48850 Patent Publication: Patent Document 3), etc. are known.
- RNA drugs using nucleic acid compounds such as miRNA (micro RNA) and siRNA (small interfering RNA) have attracted attention.
- RNA medicine a drug delivery system (DDS) that selectively acts on a target in a living body has not been sufficiently established, and there has been no particularly effective delivery carrier for oral administration.
- DDS drug delivery system
- problems such as damage to normal cells and tissues other than the target, as well as problems such as having to administer RNA medicine more than necessary due to its low transmission efficiency. Therefore, there has been a demand for an improvement in drug delivery system (DDS) in the sense of eliminating these problems.
- a mixed solution of at least a solution of an anionic drug (such as a nucleic acid compound) and a solution in which a biocompatible polymer is dissolved in an organic solvent is added.
- a nanoparticle forming step for producing a suspension of particles of anionic drug milk powder in which a drug is encapsulated in the biocompatible polymer, and an organic solvent is distilled off from the suspension of the anionic drug-encapsulated nanoparticles.
- a process for producing anionic drug-encapsulated nanoparticles (JP 2007-99631 A: Patent Document 4), and a hydrophilic property, further comprising a step of encapsulating an anionic drug in an outer layer of the anionic drug-encapsulated nanoparticles.
- SiRNA-hydrophilic polymer conjugate in which a polymer and siRNA are covalently linked (Japanese Patent Publication No. 2009-504179: Patent Document 5), biological barrier Based on a polymer carrier, characterized in that it stores at least one signal substance for transport through and at least one agent, wherein the carrier, signal substance and agent do not have a covalent bond to each other Spherical drug delivery system (Japanese Patent Publication No.
- Patent Document 6 a method of using a hemagglutinating protein derived from Clostridium spp.
- a carrier for intracellular introduction of nucleic acid Japanese Patent Laid-Open No. 2009-81997: Patent
- Patent Documents 7 are known, but none of them are absorbed into the intestinal tract, so that even if administered orally, sufficient effects cannot be obtained, and even if administered locally, they do not easily migrate into the target cells. The transfer of the carrier itself to the target cells was insufficient. Furthermore, the binding with the nucleic acid compound as an active ingredient was insufficient, and the function as a carrier was not sufficient. As a result, there has been a problem that nucleic acid compounds cannot be efficiently delivered into specific target cells.
- JP 2002-125638 A JP 2002-255847 A JP 2003-48850 A JP 2007-99631 A JP-T 2009-504179 Special table 2009-512722 JP 2009-81997 A
- the problem to be solved by the present invention is that the main body of peptide molecules effective for the suppression of various diseases such as osteoporosis, osteoarthritis, and pressure ulcers, especially absorption into the body in the intestine and into the cells.
- the main body of peptide molecules effective for the suppression of various diseases such as osteoporosis, osteoarthritis, and pressure ulcers, especially absorption into the body in the intestine and into the cells.
- it has other characteristics such as the ability to electrostatically bind and complex with nucleic acid compounds.
- the other active ingredient can be firmly supported by being excellent in the binding property with the ingredient, and the other active ingredient can be carried to the affected part by the excellent migration property, and the conventional DDS technology has.
- a peptide molecule having a specific structure newly found is easily absorbed in the intestine and works well as an active ingredient of a disease inhibitor. It has also been found that peptide molecules having a specific structure have excellent performance as a carrier component of an RNA drug, so that the conventional problems related to the DDS technique described above can be solved.
- this peptide molecule restores the amount of tropocollagen in the skin dermis and also suppresses pressure ulcers.
- the peptide molecule having the specific structure has a specific structure derived from a living organism, it has excellent biocompatibility and can easily migrate from the intestinal tract to the body and further into the cell. It was found to be extremely effective as a disease inhibitor.
- these peptide molecules having a specific structure are cationized by dipping in an acidic aqueous solution, they bind electrostatically well to anionic nucleic acid compounds, and the bond breakage during transportation is unlikely to occur.
- the nucleic acid compound such as miRNA and siRNA is used as an active ingredient and is delivered into the target cell, which also functions well as a carrier ingredient. It was. Thereby, a nucleic acid compound can be efficiently transferred into a target cell in a small amount. Such an excellent function is not exhibited by, for example, dipeptides such as Hyp-Gly and Pro-Gly.
- the peptide molecule having the specific structure found by the present inventor has 6 or more amino acids. Whereas dipeptides are two amino acids linked to the linked oligopeptides, there are few electrostatic binding sites with anionic nucleic acid compounds derived from amino acids, and sufficient electrostatic This is presumed to be because no binding force is born.
- the peptide molecule having the specific structure and the nucleic acid compound are not electrostatically bound and then administered, but the peptide molecule is orally administered and the nucleic acid compound is locally administered.
- the nucleic acid compound can also be efficiently delivered in a small amount into the target tumor cell by complexing by electrostatic binding in the blood by the co-administration method as administered.
- DDS technology by co-administration is not possible with conventional DDS carriers such as those described in Patent Documents 4 to 7, that is, conventional DDS carriers that are not absorbed into the intestinal tract and therefore do not migrate into the blood. That is.
- the disease inhibitor according to the present invention includes Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu, Glu-Lys-Asp-Gly-His-Pro.
- novel substances Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu, Glu-Lys-Asp-Gly-His-Pro -Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu, Gly- (Pro-Hyp-Gly) 4 , (Pro-Hyp-Gly) 3 , Gly- (Pro-Hyp-Gly) 2 , (Pro -Hyp-Gly) 2 , (Pro-Hyp-Gly) 4 or a pharmaceutically acceptable salt thereof, or a mixture thereof.
- peptide molecules having a specific structure may be simply referred to as “peptide molecules having a specific structure”.
- abbreviations (such as Pro) representing the respective amino acid units constituting the peptide molecule may be further abbreviated.
- a peptide molecule having a specific structure can be obtained by using the above abbreviations: EGDGHLLGPGPROGE, EKDGHPGKPGROGE, G (POG) 4 , (POG) 3 , G (POG) 2 , (POG) 2 , (POG) 4 , (POG) 5 And G (POG) 3 and at least one peptide molecule selected from the group consisting of pharmaceutically acceptable salts thereof.
- a peptide molecule having a specific structure which is an essential component, is suitable for oral administration because it easily migrates into the body and cells in the intestinal tract.
- the peptide molecule having the specific structure has a property of binding and complexing with a nucleic acid compound or the like, not only when the peptide molecule itself is used as an active ingredient but also as a carrier component.
- a nucleic acid compound or the like as an active ingredient can be extremely efficiently delivered and acted into the target cell.
- the disease-suppressing agent according to the present invention is a peptide molecule having a specific structure, that is, EGDGHLLGKPGROGE, EKDGHPGPGPROGE, G (POG) 4 , (POG) 3 , G (POG) 2 , (POG) 2 , (POG) 4 , (POG) ) 5 and G (POG) 3 and at least one peptide molecule selected from the group consisting of pharmaceutically acceptable salts thereof is an essential component.
- Examples of the pharmaceutically acceptable salt include inorganic acid salts such as hydrochloride, sulfate, and phosphate, organic acid salts such as methanesulfonate, benzenesulfonate, succinate, and oxalate, sodium Examples thereof include inorganic base salts such as salts, potassium salts and calcium salts, and organic base salts such as triethylammonium salts.
- each amino acid unit may be chemically modified, and for the hydroxyproline unit, the hydroxyl group may be chemically modified.
- the “peptide molecule having a specific structure” includes those chemically modified and those not chemically modified.
- a peptide molecule having a specific structure may be represented only by its abbreviation (for example, “(Pro-Hyp-Gly) 5 peptide molecule” is simply referred to as “(Pro-Hyp-Gly) 5 ”). “(POG) 5 ”).
- the peptide molecule having the above specific structure When the peptide molecule having the above specific structure is chemically modified, it can be dissolved from weakly acidic to neutral and can be expected to improve compatibility with other active ingredients described later.
- chemical modification such as O-acetylation
- for the ⁇ -carboxyl group of the glycine residue chemical modification such as esterification and amidation, ⁇ - of the proline residue
- polypeptidylation, succinylation, maleylation, acetylation, deamination benzoylation, alkylsulfonylation, allylsulfonylation, dinitrophenylation, trinitrophenylation, carbamylation, phenylcarbamylation
- Chemical modification such as thiolation can be mentioned.
- Appropriate chemical modification may be selected according to the type of other active ingredients described below.
- peptide molecule having the above specific structure examples thereof include ethylenediamine conversion and spermination.
- the peptide molecule having the above specific structure can be obtained, for example, by subjecting collagen or gelatin to enzyme treatment in two stages or synthesizing from amino acids, as will be described later. Can be mentioned. However, it may be obtained by a method other than these methods. For example, instead of the following two-stage enzyme treatment method, a method in which the primary enzyme treatment is omitted, or a method in which the primary enzyme treatment and the secondary enzyme treatment are performed simultaneously. It may be.
- Collagen or gelatin is first treated with a general method, and then a second enzyme treatment is performed as a second enzyme treatment to obtain a collagen peptide containing a peptide molecule having the above-mentioned specific structure by reacting with an enzyme having aminopeptidase activity. Can do.
- aminopeptidase activity is basically a peptidase having a function of releasing an amino acid from the N-terminus of a peptide chain.
- aminopeptidase P activity or “aminopeptidase activity” Peptidase N activity
- aminopeptidase P activity acts when proline is present second from the N-terminus
- aminopeptidase N activity acts when amino acid other than proline is present second from the N-terminus.
- enzyme used for the secondary enzyme treatment in addition to the aminopeptidase activity, depending on the purpose such as decomposition of by-products, the type of collagen used as a raw material, and the type of enzyme used for the primary enzyme treatment, Enzymes having different activities can be used, or enzymes having different activities can be used in combination.
- a by-product dipeptide can be decomposed by acting dipeptidase activity such as prolidase activity or hydroxyprolidase activity.
- aminopeptidase activity basically releases amino acids on the N-terminal side one by one, so depending on the type of collagen used as a raw material and the type of enzyme used in the primary enzyme treatment, In some cases, the decomposition of is insufficient, and the time required for the secondary enzyme treatment becomes longer.
- prolyl oligopeptidase activity which is an endopeptidase that hydrolyzes the carboxyl group side of the proline residue
- Secondary enzyme treatment can be performed more efficiently.
- a peptide having a relatively large molecular weight that is useful for alleviating bone / cartilage tissue inflammation via the oral tolerance mechanism is generated by the primary enzyme treatment, and the specific structure is obtained by the secondary enzyme treatment. Of peptide molecules are produced.
- amino acids X 1 and X 2 are sequentially released from the N-terminal side in the structure of [X 1 -X 2 -Gly-Pro-Hyp-] (X 1 ⁇ Pro and X 2 ⁇ Hyp).
- collagen examples include, but are not limited to, collagen derived from mammals such as cattle and pigs, and collagen derived from fishes such as sharks and salmon. These include bones and skin parts of the mammals. Or from the bones, skin, scales, etc. of the fish. Specifically, conventionally known treatments such as degreasing / decalcification treatment and extraction treatment may be applied to the bone, skin, scales and the like.
- the gelatin can be obtained by treating the collagen with a conventionally known method such as hot water extraction.
- the enzyme used in the two-stage enzyme treatment of collagen or gelatin is not particularly limited, but in consideration of the case where the obtained peptide molecule is used for food for specified health use, an enzyme other than an enzyme derived from a pathogenic microorganism should be used. Is preferred.
- the enzyme can be used at 30 to 65 ° C. for 1 to 72 hours using 0.1 to 5 parts by weight of the enzyme with respect to 100 parts by weight of collagen or gelatin.
- the average molecular weight of the collagen peptide obtained by the primary enzyme treatment of collagen or gelatin is preferably 500 to 2000, more preferably 500 to 1800. If the average molecular weight is within the above range, it can be said that a peptide having a relatively large molecular weight is sufficiently produced.
- the enzyme may be deactivated as necessary.
- the deactivation temperature is, for example, 70 to 100 ° C.
- the enzyme used for the primary enzyme treatment is not particularly limited as long as it is an enzyme capable of cleaving a peptide bond of collagen or gelatin, but usually an enzyme called a proteolytic enzyme or a protease is used.
- Specific examples include collagenase, thiol protease, serine protease, acidic protease, alkaline protease, metal protease and the like, and these can be used alone or in combination.
- Known examples of the thiol protease include plant-derived chymopapain, papain, bromelain, ficin, animal-derived cathepsin, and calcium-dependent protease.
- trypsin and cathepsin D are known as the serine protease
- pepsin and chymotrypsin are known as the acidic protease.
- an enzyme reaction using an enzyme having an aminopeptidase activity derived from the genus Aspergillus is performed as the enzyme.
- a peptide molecule having a specific structure that is not contained in the primary enzyme-treated product is generated.
- the enzyme can be treated at 30 to 65 ° C. for 1 to 72 hours using 0.01 to 5 parts by weight of the enzyme with respect to 100 parts by weight of the primary enzyme treated product.
- the average molecular weight of the collagen peptide obtained by the secondary enzyme treatment is preferably 500 to 1800, more preferably 500 to 1500.
- This secondary enzyme treatment is mainly aimed at the production of peptide molecules having a specific structure.
- the above average is used so that a relatively large peptide is not excessively hydrolyzed. It is preferable to perform the secondary enzyme treatment so that the molecular weight is within the range.
- the deactivation temperature is, for example, 70 to 100 ° C.
- the hydrolyzate obtained by the two-stage enzyme treatment or the fermentation product obtained by the two-stage enzyme treatment and fermentation is a mixture containing amino acids and peptide components other than peptide molecules having a specific structure.
- fractionation / purification may be performed as necessary.
- various types of liquid chromatography such as ultrafiltration, gel filtration chromatography, ion exchange chromatography, reverse phase chromatography, affinity chromatography, and combinations thereof.
- a conventionally known method such as the above method may be used.
- fractionation and purification can be performed as follows.
- Peptide molecules having a specific structure can be synthesized from amino acids.
- a method for synthesizing a peptide molecule having a specific structure there are generally (1) a solid phase synthesis method and (2) a liquid phase synthesis method (see, for example, JP-A No. 2003-183298). Further, (A) Fmoc method and (B) Boc method are known, but peptide molecules having a specific structure may be synthesized by any method.
- the solid phase method will be described in detail below as an example. It can be synthesized by a known solid phase synthesis method in which proline is immobilized on carrier polystyrene and Fmoc group or Boc group is used as amino group protection. That is, a polystyrene polymer gel bead having a diameter of about 0.1 mm whose surface is modified with an amino group is used as a solid phase, and a Fmoc (fluorenyl-methoxy-carbonyl) group is obtained by a dehydration reaction using diisopropylcarbodiimide (DIC) as a condensing agent.
- DIC diisopropylcarbodiimide
- the solid phase After binding hydroxyproline to the proline whose amino group is protected with (peptide bond), the solid phase is thoroughly washed with a solvent to remove the remaining hydroxyproline and the like. Thereafter, PO can be synthesized by removing (deprotecting) the protective group of the proline residue bonded to the solid phase. Subsequently, POG can be obtained by bonding glycine to the amino group of the hydroxyproline residue of this PO (peptide bond) by the same method.
- numerator is compoundable by couple
- the peptide molecule having a specific structure may be chemically modified.
- ordinary peptide chemical modification techniques are applied.
- O-acetylation can be performed by acting acetic anhydride in an aqueous solvent or a non-aqueous solvent.
- esterification can be performed by passing dry hydrogen chloride gas after suspension in methanol, and amidation can be performed by acting carbodiimide or the like.
- Examples of the disease inhibitor according to the present invention include osteoporosis inhibitor, osteoarthritis inhibitor, pressure ulcer inhibitor, and complex of nucleic acid compound and peptide molecule (there are various effects depending on the type of nucleic acid compound). Etc. are preferable.
- the disease inhibitor according to the present invention contains the peptide molecule having the specific structure as an essential component, and may contain a peptide molecule having the specific structure contained in the collagen peptide as an essential component. And in this case, only the aspect in which the disease inhibitor contains a peptide molecule with a specific structure chemically synthesized from an amino acid or a peptide molecule with a specific structure isolated from a collagen peptide that is a hydrolyzate of collagen or gelatin. Instead, it may be an embodiment in which a peptide molecule having a specific structure is not isolated from the collagen peptide but is contained in the form of a collagen peptide.
- the disease inhibitor according to the present invention includes peptide molecules having a specific structure according to the present invention as essential components, including forms containing collagen peptides as they are. In addition, it can be used in combination including the use in the form of a collagen peptide.
- the peptide molecule having a specific structure the amino acid and differs from such as a peptide molecule having a structure other than peptide molecule having a specific structure (e.g., (POG) 5 further Gly is attached to G (POG) 5 peptide having a specific structure Not a molecule).
- a peptide molecule having a specific structure e.g., (POG) 5 further Gly is attached to G (POG) 5 peptide having a specific structure Not a molecule.
- a disease inhibitor such as an osteoporosis inhibitor, an osteoarthritis inhibitor, or a pressure ulcer inhibitor
- a disease inhibitor such as an osteoporosis inhibitor, an osteoarthritis inhibitor, or a pressure ulcer inhibitor
- a disease inhibitor containing a peptide molecule having a specific structure as an active ingredient
- an active ingredient preferably EGDGHLLGKPGROGE, EKDGHPGPGPROGE, G (POG) 4 , (POG) 3 , G (POG) 2 , (POG) 2 , (POG) 4 , (POG) 5 and G (POG) 3
- those containing at least one peptide molecule selected from the group consisting of these pharmaceutically acceptable salts are also preferred.
- a disease inhibitor comprising a peptide molecule having a specific structure as an active ingredient can be administered orally or parenterally in various forms of preparation.
- the form include liquids, tablets, granules, capsules, powders, injections, transdermal agents, suppositories, nasal drops and inhalants, preferably liquids to be administered directly to the affected area, oral Tablets, granules, capsules, and the like to be administered in a controlled manner.
- the dose of the peptide molecule having a specific structure varies depending on the patient's condition, body weight, type of compound, administration route, and the like.
- examples When administered directly to the affected area per day for an adult, examples include about 0.01 to 200 mg, preferably about 0.1 to 100 mg, more preferably about 1 to 50 mg. In the case of oral administration, for example, about 0.1 to 1000 mg, preferably about 1 to 500 mg, more preferably about 10 to 200 mg can be mentioned. Formulations in other forms can be appropriately determined with reference to these dosages. These preparations can be administered 1 to several times a day, or can be administered once to several days a day.
- the peptide molecule having the specific structure in a ratio of 0.001 part by weight or more with respect to the total amount of the disease inhibitor according to the present invention. More preferably, it mix
- the content of the peptide molecule having the specific structure is preferably 10 ⁇ mol / L or more.
- the disease suppressant according to the present invention may be a peptide molecule having a specific structure diluted with physiological saline or the like, and can sufficiently obtain the effects of the present invention. As long as the effects of the present invention are not impaired, other active ingredients and ingredients for preparation may be appropriately contained.
- the other active ingredient includes glucosamine and / or a salt thereof, chondroitin sulfate and the like, and these can be used alone or in combination of two or more.
- glucosamine and / or a salt thereof are preferable because they have a function of improving a disease suppressing effect by a peptide molecule having a specific structure.
- the other active ingredient may contain a peptide molecule other than a peptide molecule having a specific structure, or an amino acid.
- a peptide molecule having a relatively large molecular weight is oral tolerance against chronic rheumatoid arthritis. It is useful because it has the effect of alleviating inflammation of bone and cartilage tissue by the mechanism.
- collagen or gelatin is hydrolyzed to obtain a collagen peptide containing a peptide molecule having a specific structure, and then the collagen peptide is converted into a peptide having a specific structure. What is necessary is just to use as it is, without isolating a molecule
- calcium and sugar-transferred hesperidin can be used as the other active ingredient for the purpose of promoting the deposition of bone salt, and vitamin C can also be used for the purpose of promoting the synthesis and deposition of collagen.
- the compounding amount of the other active ingredient is preferably 0.001 to 20 parts by weight, and more preferably 0.01 to 20 parts by weight with respect to the total amount of the disease inhibitor.
- the amount of glucosamine and / or its salt is preferably 5 to 15 parts by weight based on the total amount of the disease inhibitor. If the amount is less than 5 parts by weight, the effect of improving the effect of the peptide molecule having a specific structure may not be sufficiently exhibited. If the amount exceeds 15 parts by weight, the peptide molecule may be discharged into urine or feces, resulting in excessive intake.
- an excipient such as crystalline cellulose can be used, and an appropriate amount may be set according to the form.
- Examples of the usage form of the disease suppressant according to the present invention include forms such as ingestion by oral administration and direct injection into the affected area. Peptide molecules having a specific structure are absorbed rapidly by the intestinal tract and hardly decompose into amino acids, so that they are preferably taken by oral administration.
- a mixture of a peptide molecule having a specific structure and the above-mentioned other active ingredients and ingredients for preparation is tableted by tableting according to a conventionally known method, other granules, powders, It can also be prepared in any form such as a solid agent such as a capsule, a solution such as a solution, a suspension, and an emulsion, and a freeze-dried preparation.
- the content of peptide molecules having a specific structure is preferably 0.1 mol / L or more.
- a disease inhibitor that is a peptide complex having the above specific structure as a carrier component and is an electrostatic complex of a nucleic acid compound.
- the peptide molecule having the above specific structure functions as an active ingredient itself, but it is easily absorbed into the intestinal tract and easily transferred into cells, and electrostatically bound to a nucleic acid compound. It is possible to function as a carrier component for delivering a nucleic acid compound to the inside of a target cell by taking advantage of its strongness. In this case, since it is a nucleic acid compound that acts as an active ingredient for disease suppression, it can be said that the role of the peptide molecule is different from the case where the peptide molecule itself acts as an active ingredient.
- nucleic acid compound examples include miRNA and siRNA. More specifically, for example, infection protective antigens in microbial infections, physiologically active substances, enzyme inhibitors, receptor inhibitors, carcinogenesis inhibitors, apoptosis promoting substances, apoptosis inhibiting substances, cell regeneration promoting substances, immune reaction promoting substances, Examples thereof include a gene expression cassette in which a gene encoding a substance such as an immune reaction suppressing substance is incorporated, a ribozyme or antisense gene, a nucleic acid having a function such as an inhibitory ribonucleic acid.
- the gene expression cassette refers to an expression vector appropriately constructed so that a foreign gene is expressed in a cell.
- the peptide molecule having the specific structure and the nucleic acid mixture in a buffer solution can be used.
- a buffer solution is not particularly limited, and a buffer solution that does not adversely affect cells and living bodies, such as physiological saline, phosphate buffer solution, phosphate buffer solution, and citrate buffer solution, may be selected as appropriate.
- the mixing ratio between the peptide molecule having a specific structure and the nucleic acid compound varies depending on the specific peptide and nucleic acid compound and the affinity thereof.
- the mixing ratio is about 1: 1 to 10: 1, preferably about 1.1: 1 to 5: 1, more preferably about 1.2: 1 to 3: 1.
- the pH of the buffer solution is not particularly limited and is preferably in the range of pH 6.0 to 8.5, and more preferably in the range of pH 7.0 to 8.0.
- the salt concentration is preferably 0 to 10%, more preferably 0.7 to 1.1%.
- Examples of the salt include sodium chloride, potassium chloride, magnesium chloride, and sodium chloride is preferable.
- the electrostatic complex of a peptide molecule having a specific structure and a nucleic acid compound can be administered orally or parenterally in various forms of preparations.
- examples of the form include liquids, tablets, granules, capsules, powders, injections, transdermal agents, suppositories, nasal drops and inhalants, preferably liquids to be administered directly to the affected area, oral Tablets, granules, capsules, and the like to be administered in a controlled manner.
- the dose of the peptide molecule having a specific structure varies depending on the type of the nucleic acid compound, the condition and weight of the patient, the type of the compound, the administration route, etc., but can be determined with reference to the dose of the corresponding nucleic acid compound.
- the disease-suppressing agent of the present invention functions effectively even in a mode of co-administration, that is, a mode in which the peptide molecule having the specific structure is orally administered and the nucleic acid compound is locally administered.
- a mode of co-administration that is, a mode in which the peptide molecule having the specific structure is orally administered and the nucleic acid compound is locally administered.
- peptide molecules of the specific structure that have been transferred into the blood by oral administration and nucleic acid compounds that are administered locally can associate and complex (electrostatic complex of both) in the blood.
- the function of the nucleic acid compound can be expressed by internalization into a target cell (for example, a cancer cell). Thereby, these can be efficiently introduced into tumor cells, in particular, without previously electrostatically binding to the miRNA or siRNA.
- (POG) 5 is obtained from Peptide Institute, and EGDGHLLGKPGROGE and EKDGHPGPGPGROGE, G (POG) 4 , (POG) 4 , G (POG) 3 , (POG) 3 , G (POG) 2 and (POG) 2 are , Respectively, obtained from PH Japan.
- a polystyrene polymer gel bead having a diameter of about 0.1 mm whose surface is modified with an amino group is used as a solid phase, and Fmoc (fluorenyl-method) is obtained by a dehydration reaction using 10 parts of diisopropylcarbodiimide (DIC) as a condensing agent.
- DIC diisopropylcarbodiimide
- the solid phase was washed well with a solvent (ethyl alcohol) to remove the remaining hydroxyproline and the like.
- OG was synthesized by removing (deprotecting) the protective group of the hydroxyproline residue bonded to the solid phase by digestion with trifluoroacetic acid.
- the Liberty peptide synthesis system (CEM) was used for the synthesis of each peptide molecule.
- PC pig skin-derived collagen peptide
- TLC thin layer chromatography
- MALDI-TOF / MS analysis was further performed on the PC. However, since this PC contained various peptide molecules and was difficult to analyze, the sample was subjected to reverse phase chromatography fractionation using a Sep-PakC18 cartridge column (manufactured by Waters) and then freeze-dried. Was dissolved in 20 ⁇ L of MQ water to perform MALDI-TOF / MS analysis.
- MALDI-TOF / MS analysis is performed by combining a matrix-assisted laser ionization method (MALDI) and a time-of-flight mass spectrometry method (TOF / MS: Time of flight / mass).
- MALDI matrix-assisted laser ionization method
- TOF / MS time-of-flight mass spectrometry method
- this PC also contains peptide molecules EGDGHLGKPGROGE, EKDGHPGKPGROGE, G (POG) 4 , G (POG) 3 , and G (POG) 2 .
- the PC is 0.01% for EGDGHLLGKPGROGE, 0.01% for EKDGHPPGPGPROGE, 0.01% for (POG) 5 and G (POG) 4 0.02%, (POG) 4 0.1%, G (POG) 3 0.2%, (POG) 3 1%, G (POG) 2 2%, (POG) 2 5% It turned out to be included.
- m / z of EGDGHLGKPGROGE is 1421.639
- m / z of EKDGHPGKPGROGE is 1476.706
- m / z of (POG) 5 is 1354.6
- m / z of (POG) 4 is 1144.5
- m / z of G (POG) 3 is 877.4
- m / z of (POG) 3 is 820.5
- G (POG) 2 M / z is 610.3
- (POG) 2 m / z is 553.4.
- this FC also contains peptide molecules G (POG) 4 , G (POG) 3 and G (POG) 2 .
- the FC is, (POG) 5 to 0.01%, G (POG) 4 and 0.02%, (POG) 4 0.1% , G (POG) 3 is 0.2%, (POG) 3 is 1%, G (POG) 2 is 2%, and (POG) 2 is 5%.
- gelatin type I collagen
- type I collagen a heat-denatured collagen derived from pig skin
- 20 mM Tris-HCl buffer pH 7.5
- enzymatic reaction 1 g of collagenase (Collagenase N2 manufactured by Nitta Gelatin Co., Ltd.) was added, followed by an enzymatic decomposition treatment by maintaining at pH 7.0 to 7.8 and 40 ° C. for 18 hours.
- Aspergillus niger extract enzyme having both aminopeptidase P and prolyl oligopeptidase activity was added to this reaction solution at a final concentration of 1.0%, solubilized, and then pH 4.0, 50 The reaction was carried out at 2 ° C. for 2 hours. After the reaction, this reaction solution is heated at 100 ° C. for 10 minutes, then cooled to 60 ° C., filtered using activated carbon and filter aid (diatomaceous earth), and the resulting mother liquor is heated at 120 ° C. for 3 seconds. Sterilized. The sterilized mother liquor was spray-dried to obtain PC-CP.
- a peptide molecule having a specific structure can be efficiently removed by cleaving and removing an unnecessary site on the N-terminal side as a lump. Trying to get.
- this PC-CP also contains peptide molecules G (POG) 4 , G (POG) 3 and G (POG) 2 .
- the PC-CP is 0.01% for EGDGLGLGPGPROGE, 0.01% for EKDGHPPGPGPROGE, 0.02% for (POG) 5 , and G (POG) 4 was 0.04%, (POG) 4 was 0.2%, G (POG) 3 was 0.4%, (POG) 3 was 4%, and (POG) 2 was 10%.
- a pig skin-derived collagen peptide (PC-2) containing a peptide molecule having a specific structure used for a performance evaluation test or a disease inhibitor described later is subjected to secondary enzyme reaction by Aspergillus oryzae extract enzyme having aminopeptidase N activity. Except for performing, it was obtained by the same operation as in the production of the PC.
- this PC-2 also contains peptide molecules G (POG) 4 , G (POG) 3 , G (POG) 2 .
- the PC-2 is 0.01% for (POG) 5 , 0.03% for G (POG) 4 , and 0. for (POG) 4 . 1%, G (POG) 3 0.3%, (POG) 3 1%, G (POG) 2 3% and (POG) 2 4%.
- FC-2 was analyzed by TLC in the same manner as in the case of PC, the presence of peptide molecules (POG) 5 , (POG) 4 , (POG) 3 , (POG) 2 was confirmed.
- FC-2 also contains peptide molecules G (POG) 4 , G (POG) 3 and G (POG) 2 .
- the FC-2 is, (POG) 5 to 0.01%, G (POG) 4 0.04%, the (POG) 4 0. 1%, G (POG) 3 0.3%, (POG) 3 1%, G (POG) 2 2% and (POG) 2 3%.
- PC-CP-2 Pig skin-derived collagen peptide
- aminopeptidase N and prolyl oligopeptidase activity It was obtained by the same operation as in the production of PC-CP, except that it was carried out using an Aspergillus niger extractase having both
- this PC-CP-2 also contains peptide molecules G (POG) 4 , G (POG) 3 and G (POG) 2 .
- the PC-CP-2 has 0.02% for (POG) 5 , 0.04% for G (POG) 4 and (POG) 4 It was found to contain 0.2%, G (POG) 3 0.4%, (POG) 3 2%, G (POG) 2 4%, and (POG) 2 9%.
- gelatin type I collagen
- type I collagen which is a heat-denatured collagen derived from pig skin
- 20 mM Tris-HCl buffer pH 7.5
- enzymatic reaction 1 g of collagenase (Collagenase N2 manufactured by Nitta Gelatin Co., Ltd.) was added, followed by an enzymatic decomposition treatment by maintaining at pH 7.0 to 7.8 and 40 ° C. for 18 hours.
- the solution obtained by the enzyme hydrolysis treatment is heat-treated at 100 ° C.
- EGDGHLLGPGPROGE EKDGHPPGPGPROGE
- (POG) 5 G (POG) 4 , (POG) 4 , G (POG) 3 , (POG) 3 , G (POG) 2, and (POG) 2 are used, respectively.
- TRIP tartrate-resistant acid phosphate hydrolase
- TRAP inhibitory activity when other peptide molecules PO, Ala-Hyp, Leu-Hyp, Phe-Hyp, Ser-Hyp, POG
- amino acids Pro, Hyp
- the degree of inhibition of osteoclast differentiation and activation by various peptide molecules and amino acids was evaluated by the following Pit assay. That is, the Pit assay for culturing osteoclasts on ivory pieces is described in Kakudo S, et al (1996). J. et al. Bone Miner. Metab. 14: 129-136. Specifically, it is as follows.
- a suspension containing osteoclast progenitor cells derived from the intestinal bone of young mice and bone marrow stromal cells was cryopreserved at ⁇ 80 ° C. in the presence of 10% DMSO to kill mature osteoclasts.
- ⁇ Evaluation Test 2 Enhancement of Osteoblast Differentiation and Activation> After adding dexamethasone (final concentration 1 nmol / L), ⁇ -glycerophosphoric acid (final concentration 5 mmol / L), ascorbic acid (final concentration 100 ⁇ g / mL) to the osteoblast cell line MC3T3-E1 culture medium, EGDGHLLGKPGROGE, EKDGHPPGKPGROGE , (POG) 5 , G (POG) 4 , (POG) 4 , G (POG) 3 , (POG) 3 , G (POG) 2 and (POG) 2 , and these are used in the culture solution at a final concentration of 2 After 10 days from the culture, each enhancing activity of alkaline phosphatase (ALP), which is a marker enzyme for osteoblast differentiation and calcification, was examined.
- ALP alkaline phosphatase
- EDGGHLGKPGROGE Suppression of Chondrocyte Degeneration> EDGGHLGKPGROGE, EKDGHPGPGPGROGE, (POG) 5 , G (POG) 4 , (POG) 4 , G (POG) 3 , (POG) 3 , G (POG) 2 , (POG) 2 , and each peptide molecule as a precursor cartilage
- the cell line ATDC5 was added to a culture solution to a final concentration of 2.5 mmol / L, and the inhibitory activity of alkaline phosphatase (ALP), which is a marker enzyme for hypertrophic cartilage and calcification, was examined 5 days after the culture.
- ALP alkaline phosphatase
- the skin wound was developed by applying a hair removal treatment to the abdomen of the rat for 3 days.
- the rat was anesthetized by intraperitoneal administration of Nembutal (4 mg / 0.08 mL / 100 g BW), The abdomen (about 3 ⁇ 5 cm) was shaved with a clipper.
- a commercially available hair remover (Epilat hair removal cream, manufactured by Kanebo Co., Ltd.) was applied, left for 5 minutes, and then carefully shaved with a razor. This treatment was performed once a day for 3 consecutive days from 3 days before the start of collection of the skin sample.
- the test groups were a casein diet group, an EGDGHLGKPGROGE group, an EKDGHPGKPGROGE group, a (POG) group 5 , a G (POG) group 4 , a (POG) group 4 , a G (POG) group 3 , a (POG) group 3 , G (POG). 2 groups, (POG) 2 groups, PC group, FC group, PC-CP group, PC-2 group, FC-2 group, and PC-CP-2 group. Day 0 after hair treatment), 1 day after hair removal treatment, 2 days after hair removal treatment, 4 days after hair removal treatment, transition of skin collagen amount (ratio per total collagen amount) during skin wound recovery process did. Table 4 shows the diet composition of each group.
- EGDGHLLGKPGROGE group EKDGHPGPGPGROGE group, (POG) group 5 , G (POG) group 4 , (POG) group 4 , G (POG) group 3 , (POG) group 3 , G (POG) group 2 , (POG)
- group 2 PC group, FC group, PC-CP group, PC-2 group, FC-2 group, PC-CP-2 group, each specific peptide molecule, PC, FC, PC-CP, Weigh exactly 10 g of the same PC-2, FC-2, PC-CP-2, and dissolve by warming with 20 mL of distilled water in the stomach using a sonde once a day at noon. Administered.
- Table 5 shows the measurement results of the transition of skin collagen amount (ratio per total collagen amount) during the skin wound recovery process of each group.
- the quantification of skin soluble collagen was performed as follows.
- the treated and untreated skins were trimmed while removing as much fat under the skin as possible. Finely chopped with scissors for dissection, weighed about 0.2 to 0.3 g, and collected in a 14 mL centrifuge tube.
- 2 mL of cold 0.45 M sodium chloride solution was added, and extraction was performed for 24 hours using a rotary stirrer (manufactured by TAITEC) in a refrigerator.
- the extract was centrifuged at 20,000 g for 20 minutes in a cooling centrifuge, and the supernatant was collected to obtain a neutral salt-soluble collagen fraction.
- 6 mL of cold 0.5 M acetic acid was added to the centrifugal residue, and extraction was performed in the same manner for 24 hours.
- the 0.5 M acetic acid extract was centrifuged at 20,000 g for 20 minutes in a cooling centrifuge, and the supernatant was collected to obtain an acid-soluble collagen fraction.
- the centrifugal residue was an insoluble collagen fraction.
- the amount of hydroxyproline contained in the hydrolyzate of each collagen fraction is colorimetrically determined to determine the amount of each collagen fraction, and the neutral salt-soluble collagen fraction relative to the sum of these collagen fractions. The relative ratio of was calculated.
- the colorimetric determination of the amount of hydroxyproline was carried out by the Firstein and Shill method, specifically as follows.
- the chloramine T solution was prepared by dissolving chloramine T (5 g) in 50 mL of distilled water, refrigerated, and diluted 1: 4 with an acetic acid buffer solution (pH 6.0) immediately before use.
- acetic acid buffer solution pH 6.0
- p-dimethylaminobenzaldehyde solution (Erich solution) was prepared by adding 22 mL of concentrated hydrochloric acid to 20 g of p-dimethylaminobenzaldehyde powder, heating and dissolving in boiling water, immediately cooling in ice water, and adding 122 mL of 2-propanol. It was prepared by stirring and dissolving.
- ⁇ Evaluation Test 5 Intestinal Absorption> Wistar male rats (170 g) were fasted overnight for the experiment. Specimen samples include EGDGHLGKPGROGE, EKDGHPGKPGROGE, (POG) 5 , G (POG) 4 , (POG) 4 , G (POG) 3 , (POG) 3 , G (POG) 2 , (POG) 2 , OG, PO Ala-Hyp and Ser-Hyp were each administered intragastrically using 215 nmol / 10 mL.
- 0.5 mL of 30% sulfosalicylic acid was added to 5.0 mL of a perfusion sample solution collected from the portal vein, stirred vigorously, and left in a refrigerator overnight. This sample was centrifuged at 3000 rpm for 10 minutes for deproteinization. The centrifugal supernatant was colorimetrically determined for the amount of hydroxyproline in 0.5 mL to obtain a free Hyp amount.
- peptide molecules recovered in the rat portal vein perfusate that is, each of the EGDGHLLGKPGROGE, EKDGHPGPGPROGE, (POG) 5 , G (POG) 4 , (POG) 4 , G (POG) 3 , (POG) absorbed in the intestine ) 3 , G (POG) 2 , (POG) 2 were identified and quantified by the MALDI-TOF / MS analysis described above. Further, identification and quantification of OG, PO, Ala-Hyp, and Ser-Hyp were performed using HPLC analysis and mass spectrometry (LC / MS / MS) as described below.
- HPLC analysis Analysis of peptide molecules in the perfusate was performed by reverse phase HPLC analysis.
- HPLC apparatus an LCSS-905 system manufactured by JASCO Corporation comprising a liquid feed pump, a decasser, an autosampler, a column open, an ultraviolet partial photometer, a printer, and a system controller was used.
- reverse phase column Nova Pak C18 (3.9 ⁇ 150 mm) was used.
- a 0.1% TFA-containing acetonitrile-water linear gradient moving bed was used, the sample injection amount was 70 ⁇ L, and the flow rate was 1 mL / min.
- MS analysis was performed by the MS / MS method using a Quattro LC mass spectrophotometer (Micromass, Manchester, UK) based on a 4-channel Multiple Reaction Monitoring method. That is, the eluate from HPLC was monitored by m / z being [M + H] + and the fragment ion species m / s.
- the perfusate was treated with sulfosalicylic acid at a final concentration of 3% to remove proteins.
- the supernatant was lyophilized, 10 mg of the dried powder was dissolved in distilled water, and treated with a cation exchange resin column to obtain an ammonia-eluting fraction. The solvent of this fraction was removed, dissolved in distilled water, and analyzed by LC / MS / MS. The results were as shown in Table 6.
- mice were sacrificed after 3 weeks, and the width of the joint cavity was measured from ⁇ CT (desktop micro CT scanner SKYSCAN1172, SKYSCAN) image of the femoral and tibial joints of each group, and the matrix structure from the non-decalcified hematoxylin stained section Evaluation and cellular status were evaluated. The results are shown in Table 8.
- ⁇ CT desktop micro CT scanner SKYSCAN1172, SKYSCAN
- mice were sacrificed, and non-decalcified Meyer's hematoxylin-stained sections of the left and right femur-tibial joint cavities were prepared for pathological evaluation.
- non-decalcified Meyer's hematoxylin-stained sections of the left and right femur-tibial joint cavities were prepared, and the N section pathological sections in the evaluation test 6 The pathological evaluation was made by comparison. The results are shown in Table 9.
- a disease inhibitor according to the present invention was obtained using a peptide molecule having the above specific structure. Examples of these formulations are shown below.
- Examples 1 to 7 By mixing each material in the formulation shown in Table 10, and using crystalline cellulose as an excipient in a proportion of 10 parts with respect to the total formulation shown in Table 10, by tableting in a conventional manner Thus, the disease suppressors according to Examples 1 to 7 that can be used for oral use were obtained.
- a chewable tablet was produced using the PC. Specifically, the following ingredients were mixed, and a tablet of 0.8 g per chewable type was prepared using a tableting machine.
- This chewable type tablet is 0.005% EGDGHLLGPGPROGE, 0.005% EKDGHPPGPGPROGE, 0.005% (POG) 5 and 0.01% G (POG) 4 when the total amount is 100%.
- (POG) 4 contains 0.05%, G (POG) 3 contains 0.1%, (POG) 3 contains 0.5%, G (POG) 2 contains 1%, and (POG) 2 contains 2.5%. It was a thing.
- Example 9 Using the above PC, the following ingredients were mixed to prepare a powdered consomme soup (1 bag 6.0 g) that was dissolved in 100 to 140 mL of hot water.
- the total amount of this powdered consomme soup is 0.0035% for EGDGHLLGKPGROGE, 0.0035% for EKDGHPPGPGPROGE, 0.0035% for (POG) 5 , 0.007% for G (POG) 4 , POG) 4 is 0.035%, G (POG) 3 is 0.07%, (POG) 3 is 0.35%, G (POG) 2 is 0.7%, and (POG) 2 is 1.75%. Contained.
- Example 10 Using the PC, the following ingredients were mixed and dissolved in 100 to 150 mL of water to prepare a powdered juice (13.0 g per bag). When the total amount of this powder juice is 100%, EGDHGLGPGPROGE is 0.004%, EKDGHPGKPGROGE is 0.004%, (POG) 5 is 0.004%, G (POG) 4 is 0.008%, (POG 4 ) 0.04%, G (POG) 3 0.08%, (POG) 3 0.4%, G (POG) 2 0.8%, (POG) 2 2% Met.
- Example 11 Using the above PC, according to the following ingredients, dissolve other ingredients in purified water and adjust to pH 3.5, B ′ ⁇ 9.0%, and then heat sterilize at 110 ° C. for 30 seconds, and 10 ° C. After cooling down to aseptic filling in a paper pack, a soft drink (125 mL per pack) was prepared.
- EGDGHLGKPGROGE is 0.00025%
- EKDGHPGKPGROGE is 0.00025%
- (POG) 5 is 0.00025%
- G (POG) 4 is 0.0005%
- ( POG) 4 is 0.0025%
- G (POG) 3 is 0.005%
- (POG) 3 is 0.025%
- G (POG) 2 is 0.05%
- (POG) 2 is 0.125%.
- Example 12 First, the PC and gelatin were immersed in purified water (B) of the following ingredients and allowed to swell for 30 minutes, and then heated at 80 ° C. for 30 minutes to be completely dissolved to obtain a gelatin solution. Next, milk oligosaccharide, powdered malt reducing sugar, erythritol, and indigestible dextrin are dissolved in purified water (A) of the following ingredients, boiled, and then aspartame, gelatin solution, purified water (A ), Citric acid (crystal), peppermint flavor, mint flavor, lemon flavor, and safflower yellow, dissolved in a part of B) x 79-81%, defoamed, and filled into a starch mold Then, it was dried at room temperature for 24 hours to prepare gummy jelly (4g per tablet).
- this gummy jelly is 0.0005% EGDGHLGKPGROGE, 0.0005% EKDGHPGKPGROGE, 0.0005% (POG) 5 , 0.001% G (POG) 4 , (POG) 4 is 0.005%, G (POG) 3 is 0.01%, (POG) 3 is 0.05%, G (POG) 2 is 0.1%, and (POG) 2 is 0.25%. It was a thing.
- Example 18 By solubilizing (POG) 5 of Example 1 with a sterilized physiological saline to a concentration of 2.5 mM, the disease inhibitor according to Example 18 that can be used for injection into the affected area is obtained. It was.
- a bone metastasis model is prepared by administering human prostate cancer cell line PC-3M (PC-3M-lu) expressing luciferase from the left ventricle of nude mice.
- PC-3M PC-3M-lu
- GL3 siRNA that specifically suppresses luciferase was mixed with each synthetic peptide (10 ⁇ M) or a conventionally known general DDS carrier, and then complexed and administered systemically from the tail vein.
- the mouse was analyzed by in vivo imaging, and evaluated by IVIS (real-time in vivo imaging system) (Xenogen: Sumisho Bioscience), which quantifies the amount of luciferase luminescence in bone metastases. The results are shown in Table 11.
- the expression rate of luciferase is higher than when siRNA alone (control) or a conventional general DDS carrier is used. There are few, and it turns out that bone metastasis is suppressed, therefore, transmission of siRNA to a target works effectively.
- Table 12 shows that the peptide molecule having a specific structure of the present invention works effectively as a carrier for transmitting siRNA to the target even by co-administration.
- the disease inhibitor according to the present invention can be suitably used, for example, as an osteoporosis inhibitor, an osteoarthritis inhibitor, a pressure ulcer inhibitor, or a complex of a nucleic acid compound and a peptide molecule.
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Abstract
Description
すなわち、本発明にかかる疾病抑制剤は、Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)5およびGly-(Pro-Hyp-Gly)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を必須成分とする、ことを特徴とする。また、本発明によって、新規な物質であるGlu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4もしくはこれらの薬学上許容される塩、またはこれらの混合物が提供される。
本発明にかかる疾病抑制剤は、特定構造のペプチド分子、すなわち、EGDGHLGKPGROGE、EKDGHPGKPGROGE、G(POG)4、(POG)3、G(POG)2、(POG)2、(POG)4、(POG)5およびG(POG)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を必須成分とするものである。
コラーゲンまたはゼラチンを一般的な方法で1次酵素処理した後に、2次酵素処理として、アミノペプチダーゼ活性を有する酵素で反応させる2段階酵素処理によって、上記特定構造のペプチド分子を含むコラーゲンペプチドを得ることができる。
アミノ酸から特定構造のペプチド分子を合成することができる。
特定構造のペプチド分子の合成法としては、一般的に、(1)固相合成法と(2)液相合成法(例えば、特開2003-183298号公報参照)があり、前者の場合は、さらに(A)Fmoc法と(B)Boc法の方法が知られているが、特定構造のペプチド分子は、いずれの方法で合成してもよい。
プロリンを担体ポリスチレンに固定し、アミノ基の保護としてFmoc基あるいはBoc基を使用する公知の固相合成法により合成することができる。すなわち、表面をアミノ基で修飾した直径0.1mm程度のポリスチレン高分子ゲルのビーズを固相として用い、縮合剤としてジイソプロピルカルボジイミド(DIC)を用いた脱水反応によってFmoc(fluorenyl-methoxy-carbonyl)基でアミノ基を保護したプロリンにヒドロキシプロリンを結合(ペプチド結合)させた後、固相を溶媒でよく洗い、残ったヒドロキシプロリンなどを除去する。この後、固相に結合しているプロリン残基の保護基を除去(脱保護)することにより、POを合成することができる。続いて、同様の方法で、このPOのヒドロキシプロリン残基のアミノ基にグリシンを結合(ペプチド結合)させることで、POGを得ることができる。このようにして、アミノ酸を順次結合していくことで、目的のペプチド分子を合成することができる。
特定構造のペプチド分子は、化学修飾が施されているものであっても良い。化学修飾の具体的手段や処理条件は、通常のペプチドの化学修飾技術が適用される。
本発明にかかる疾病抑制剤としては、骨粗しょう症抑制剤、変形性関節炎抑制剤、褥瘡抑制剤のほか、核酸化合物とペプチド分子の複合体(薬効は核酸化合物の種類によって種々のものがある)などが好適に挙げられる。
まず、特定構造のペプチド分子を有効成分として含有してなる疾病抑制剤(骨粗しょう症抑制剤、変形性関節炎抑制剤、褥瘡抑制剤など)についての説明を行う。有効成分として用いる場合は、好ましくはEGDGHLGKPGROGE、EKDGHPGKPGROGE、G(POG)4、(POG)3、G(POG)2、(POG)2、(POG)4、(POG)5およびG(POG)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を含有するものも好ましい。
次に、上記特定構造のペプチド分子を担体成分とし核酸化合物の静電的複合体としてなる疾病抑制剤について説明する。
以下では、便宜上、「重量部」を単に「部」と、「重量%」を「%」と記すことがある。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子としては以下のものを用いた。
後述する性能評価試験や疾病抑制剤に使用する比較用の他のペプチド分子は、前述の固相法により合成した。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子を含有する豚皮由来のコラーゲンペプチド(PC)は、以下に示す方法に従って得た。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子を含有する魚鱗由来のコラーゲンペプチド(FC)は、魚鱗由来ゼラチンを用いたこと以外は、前記PCの製造と同様の操作により得た。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子を含有する豚皮由来のコラーゲンペプチド(PC-CP)は、以下に示す方法に従って得た。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子を含有する豚皮由来のコラーゲンペプチド(PC-2)は、2次酵素反応を、アミノペプチダーゼN活性を有するAspergillus oryzae抽出酵素により行うこと以外は、前記PCの製造と同様の操作により得た。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子を含有する魚鱗由来のコラーゲンペプチド(FC-2)は、2次酵素反応を、アミノペプチダーゼN活性を有するAspergillus oryzae抽出酵素により行うこと以外は、前記FCの製造と同様の操作により得た。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子を含有する豚皮由来のコラーゲンペプチド(PC-CP-2)は、2次酵素反応を、アミノペプチダーゼNおよびプロリルオリゴペプチダーゼ活性を併有するAspergillus niger抽出酵素により行うこと以外は、前記PC-CPの製造と同様の操作により得た。
後述する性能評価試験や疾病抑制剤に使用する特定構造のペプチド分子のいずれも含有しない比較用のコラーゲンペプチド(PC-CP-Cont)は、以下に示す方法に従って得た。
上記各ペプチド分子、コラーゲンペプチド、および、比較のためのアミノ酸(プロリン、ヒドロキシプロリン)を用いて行った各性能評価試験の詳細を以下に示す。
Kobayashi Y.らの破骨細胞分化培養法[J.Bone Miner.Metab.(2004)22:p.318-328]に準じて評価した。
結果を表1に示す。
註) **:対照と比較して統計的に有意差あり(p<0.01)
*:対照と比較して統計的に有意差あり(p<0.05)
骨芽細胞株MC3T3-E1培養液に、デキサメタゾン(終濃度1nmol/L)、β-グリセロリン酸(終濃度5mmol/L)、アスコルビン酸(終濃度100μg/mL)をそれぞれ加えた後、EGDGHLGKPGROGE、EKDGHPGKPGROGE、(POG)5、G(POG)4、(POG)4、G(POG)3、(POG)3、G(POG)2および(POG)2を用い、これらを前記培養液に終濃度2.5mmol/Lとなるように添加し、培養から10日後に骨芽細胞の分化および石灰化のマーカー酵素であるアルカリフォスファターゼ(ALP)の各亢進活性を調べた。同様にして、他のペプチド分子(PO、Ala-Hyp、Leu-Hyp、Phe-Hyp、Ser-Hyp、POG)、アミノ酸(Pro、Hyp)を用いたときのALP亢進活性を調べた。さらに、対照として、ペプチド無添加(ブランク)のときのALP亢進活性も調べた。結果を表2に示す。
註) **:対照と比較して統計的に有意差あり(p<0.01)
*:対照と比較して統計的に有意差あり(p<0.05)
EGDGHLGKPGROGE、EKDGHPGKPGROGE、(POG)5、G(POG)4、(POG)4、G(POG)3、(POG)3、G(POG)2、(POG)2を用い、各ペプチド分子を前駆軟骨細胞株ATDC5培養液に終濃度2.5mmol/Lとなるように添加し、培養から5日後に肥大化軟骨および石灰化のマーカー酵素であるアルカリフォスファターゼ(ALP)の各抑制活性を調べた。同様にして、他のペプチド分子(PO、Ala-Hyp、Leu-Hyp、Phe-Hyp、Ser-Hyp、POG)、アミノ酸(Pro、Hyp)を用いたときのALP活性を調べた。さらに、対照として、ペプチド無添加(ブランク)のときのALP活性も調べた。結果を表3に示す。
註) **:対照と比較して統計的に有意差あり(p<0.01)
*:対照と比較して統計的に有意差あり(p<0.05)
ウィスター系雄ラット(140g)を、3日間、市販固形食(TypeMF、オリエンタル酵母社製)により予備飼育した後、カゼイン食に切り替え、3日後に皮膚創傷を発症させた。
各群の食餌組成を表4に示す。
註) 異なるアルファベット間で統計的に有意差あり(p<0.05)
(注釈):皮膚トロポコラーゲン比率(%)=X÷[X+Y+Z]×100
X:0.45M NaCl水溶液可溶性コラーゲン量:トロポコラーゲン量
Y:0.5M 酢酸水溶液可溶性コラーゲン量:酸可溶性コラーゲン量
Z:0.5M 酢酸水溶液不可溶性コラーゲン量:(酸不溶性コラーゲン=架橋化コラーゲン)量
皮膚下の脂肪を可能な限り除去しながら処理皮膚と未処理皮膚をトリミングした。解剖用はさみで丹念に細切し、約0.2から0.3gを精秤し、14mL容遠沈管に採取した。これに冷0.45M塩化ナトリウム溶液4mLを加えてポリトロンホモゲナイザー(speed No4)で20秒間、氷冷しながらホモゲナイズした。さらに、冷0.45M塩化ナトリウム溶液2mLを加えて、冷蔵室内で回転撹拌機(TAITEC社製)を用いて24時間の抽出を行った。抽出液を冷却遠心機で20,000g、20分間遠心して上清液を採取し、中性塩可溶性コラーゲン画分とした。遠心残渣に冷0.5M酢酸を6mL加え、同様に24時間の抽出を行った。0.5M酢酸抽出液を冷却遠心機で20,000g、20分間遠心して上清液を採取し、酸可溶性コラーゲン画分とした。その遠心残渣は不溶性コラーゲン画分とした。
ウィスター系雄ラット(170g)を一晩絶食させて実験に供した。検体試料には、EGDGHLGKPGROGE、EKDGHPGKPGROGE、(POG)5、G(POG)4、(POG)4、G(POG)3、(POG)3、G(POG)2、(POG)2、OG、PO、Ala-Hyp、Ser-Hypを各215nmol/10mL用い胃内投与した。
灌流液中のペプチド分子の分析を逆相HPLC分析により行った。HPLC装置としては、送液ポンプ、デカッサ、オートサンプラ、カラムオープン、紫外部分光光度計、プリンター、システムコントローラーから構成される日本分光社製のLCSS-905システムを用いた。逆相カラムは、Nova Pak C18(3.9×150mm)を用いた。
HPLC装置としてはU980HPLC(日本分光社製)を用い、この装置はODS(C18)カラム(Mightysil RP-18,2×250mm、Kanto Chemical Co Ltd社製)を装着している。移動相溶媒としては、0.2%蟻酸含有アセトニトリル-水系とし、リニアグラディエントにより40分間で0%から40%アセトニトリルまで濃度を上昇させ、100%アセトニトリルで10分間洗浄を行った。試料注入量は10μLであり、カラム温度は40℃であった。
結果は、表6に示すとおりであった。
10週令のC57BL/6Jマウスに、下記表7に示す組成で各々飼料を経口摂取させた。
結果を表8に示す。
註) *:N群と比較して統計的に有意差あり(p<0.05)
(POG)5、G(POG)4、(POG)4、G(POG)3、(POG)3、G(POG)2、(POG)2のそれぞれについて、終濃度5mmol/Lとなるように生理食塩水に可溶化したのち、濾過滅菌した。これらの溶液0.5mlを、10週令のC57BL/6Jマウスに上記表7の組成で飼料を3週間与えたC群に対して、その左大腿骨・脛骨関節腔に注射した。1週間後に屠殺し、左右の大腿骨-脛骨関節腔部の非脱灰マイヤーヘマトキシリン染色切片を作成し、病理評価した。同様にして、注射した後、3週間後に屠殺した場合についても、左右の大腿骨-脛骨関節腔部の非脱灰マイヤーヘマトキシリン染色切片を作成し、前記評価試験6でのN群の病理切片と比較して病理評価した。
結果を表9に示す。
a):骨梁の増加あり。多くの骨芽細胞存在。
b):N群と同様な骨梁。骨芽および骨細胞数がN群と同等数存在。
上記結果に見るように、対照(ブランク)との比較から、特定構造のペプチド分子が、破骨細胞の分化と活性化を抑制し(表1)、骨芽細胞の分化と活性化を亢進し(表2)、軟骨細胞の変性を抑制してその分化を調節し(表3)、皮膚真皮中のトロポコラーゲン量を回復させる(表5)ことが分かる。そして、その効果は、OGを除く他のペプチド分子、アミノ酸よりも優れている。
上記特定構造のペプチド分子を用いて、本発明にかかる疾病抑制剤を得た。それらの配合例を以下に示す。
表10に示す配合で、各材料を混合し、賦形剤としての結晶性セルロースを、表10に記載の配合全体に対して10部の割合で用いて、常法により打錠成形することにより、経口用として用いうる、実施例1~7にかかる疾病抑制剤を得た。
上記PCを用いてチュアブルタイプのタブレットを製造した。
具体的には、下記配合成分を混合し、打錠成型器を用いて、一粒0.8gのチュアブルタイプのタブレットを調製した。このチュアブルタイプのタブレットは、全量を100%としたとき、EGDGHLGKPGROGEを0.005%、EKDGHPGKPGROGEを0.005%、(POG)5を0.005%、G(POG)4を0.01%、(POG)4を0.05%、G(POG)3を0.1%、(POG)3を0.5%、G(POG)2を1%、(POG)2を2.5%含むものであった。
PC 50.0kg
アスコルビン酸 10.0kg
ミクロカルマグS(エスケーフーヅ社製) 4.6kg
マビット(林原社製) 19.0kg
結晶セルロース 10.0kg
乳化剤 3.2kg
アスパルテーム 0.5kg
発酵乳パウダー 1.4kg
粉末香料 1.0kg
クエン酸 0.3kg
上記PCを用い、下記配合成分を混合して、100~140mLのお湯に溶解させて飲用する粉末コンソメスープ(1袋6.0g)を調製した。この粉末コンソメスープは、全量を100%としたとき、EGDGHLGKPGROGEを0.0035%、EKDGHPGKPGROGEを0.0035%、(POG)5を0.0035%、G(POG)4を0.007%、(POG)4を0.035%、G(POG)3を0.07%、(POG)3を0.35%、G(POG)2を0.7%、(POG)2を1.75%含有するものであった。
PC 35.0kg
チキンエキスパウダー 25.0kg
食塩 18.0kg
ブドウ糖 7.7kg
乳酸カルシウム 7.0kg
グルタミン酸ナトリウム 4.0kg
オニオンエキスパウダー 1.0kg
HVP 1.0kg
ビーフフレーバー 0.5kg
5’-リボヌクレオチド2ナトリウム 0.5kg
ホワイトペッパー 0.2kg
ターメリック 0.1kg
上記PCを用い、下記配合成分を混合して、100~150mLの水に溶解させて飲用する粉末ジュース(1袋13.0g)を調製した。この粉末ジュースは、全量を100%としたとき、EGDGHLGKPGROGEを0.004%、EKDGHPGKPGROGEを0.004%、(POG)5を0.004%、G(POG)4を0.008%、(POG)4を0.04%、G(POG)3を0.08%、(POG)3を0.4%、G(POG)2を0.8%、(POG)2を2%含有するものであった。
PC 40.4kg
アスコルビン酸ナトリウム 1.2kg
エリスリトール 52.0kg
アセスルファムK 0.1kg
アスパルテーム 0.1kg
クエン酸ナトリウム 0.8kg
クエン酸(結晶) 4.6kg
マスカットフレーバー 0.8kg
上記PCを用い、下記配合成分に従い、精製水に他の配合成分を溶解し、pH3.5、B’×9.0%に調製したのち、110℃で30秒加熱殺菌処理を施し、10℃に冷却してから紙パックに無菌充填して、清涼飲料水(1パック125mL)を調製した。この清涼飲料水は、全量を100%としたとき、EGDGHLGKPGROGEを0.00025%、EKDGHPGKPGROGEを0.00025%、(POG)5を0.00025%、G(POG)4を0.0005%、(POG)4を0.0025%、G(POG)3を0.005%、(POG)3を0.025%、G(POG)2を0.05%、(POG)2を0.125%含有するものであった。
PC 2.5kg
ビタミンミックスDN(BASFジャパン社製)0.1kg
エリスリトール 5.5kg
アセスルファムK 0.015kg
アスパルテーム 0.005kg
クエン酸 約0.6kg
フルーツミックスフレーバー 0.16L
ライチフレーバー 0.04L
精製水 残量(合計が100.0kgになるように設定)
まず、下記配合成分のうちの精製水(B)に上記PCおよびゼラチンを浸漬して30分間膨潤させたのち、80℃達温30分間加熱して完全に溶解させ、ゼラチン溶液とした。次に、下記配合成分のうちの精製水(A)にミルクオリゴ糖、粉末麦芽還元糖、エリスリトール、および難消化性デキストリンを溶解させ、煮詰めた後、アスパルテーム、前記ゼラチン溶液、予め精製水(A)の一部に溶解させたクエン酸(結晶)、ペパーミントフレーバー、ミントフレーバー、レモンフレーバー、およびベニバナ黄色素を添加し、B’×79~81%に調製したのち脱泡し、スターチモールドに充填して室温で24時間乾燥させ、グミゼリー(1粒4g)を調製した。このグミゼリーは、全量を100%としたとき、EGDGHLGKPGROGEを0.0005%、EKDGHPGKPGROGEを0.0005%、(POG)5を0.0005%、G(POG)4を0.001%、(POG)4を0.005%、G(POG)3を0.01%、(POG)3を0.05%、G(POG)2を0.1%、(POG)2を0.25%含有するものであった。
PC 5.0kg
ミルクオリゴ糖 41.0kg
粉末麦芽還元糖 31.0kg
エリスリトール 5.0kg
難消化性デキストリン 5.0kg
アスパルテーム 0.05kg
ゼラチン(APH250、新田ゼラチン社製) 7.0kg
クエン酸(結晶) 1.2kg
ペパーミントフレーバー 0.6L
ミントフレーバー 0.2L
レモンフレーバー 0.7L
ベニバナ黄色素 適量
精製水(A) 20.0L
精製水(B) 18.0L
PCに代えて、PC-2を用いたこと以外は実施例8~12と同様にして、各種疾病抑制剤を得た。
実施例1の(POG)5を滅菌済みの生理的食塩水で2.5mMの濃度となるよう可溶化することにより、患部への注入用として用いうる、実施例18にかかる疾病抑制剤を得た。
論文「Takeshita F,et al.Proc.Natl.Acad.Sci.USA,2005;102:12177-12182」に準じて、疾病抑制剤の調製およびその試験を下記のとおりに行った。
結果を表11に示す。
註) **:対照と比較して統計的に有意差あり(p<0.01)
*:対照と比較して統計的に有意差あり(p<0.05)
註)
・PVA:ポリビニルアルコール (平均重合度約1500、和光純薬製)
・PEG:ポリエチレングリコール (平均分子量1500、和光純薬製)
・PLA:ポリ乳酸 (分子量1600~2400、和光純薬製)
骨転移ヌードマウスに各合成ペプチド0.1gを0.5mLの蒸留水に可溶化して胃内投与し、投与30分後、ルシフェラーゼを特異的に抑制するGL3siRNAをこのマウスの尾静脈から全身投与した。このマウスについて、実施例19~27と同様の評価を行った。
結果を表12に示す。
註) **:対照と比較して統計的に有意差あり(p<0.01)
註)
・PVA:ポリビニルアルコール (平均重合度約1500、和光純薬製)
・PEG:ポリエチレングリコール (平均分子量1500、和光純薬製)
・PLA:ポリ乳酸 (分子量1600~2400、和光純薬製)
Claims (10)
- Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4もしくはこれらの薬学上許容される塩、またはこれらの混合物。
- Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)5およびGly-(Pro-Hyp-Gly)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を必須成分とする、疾病抑制剤。
- Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4およびGly-(Pro-Hyp-Gly)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を有効成分とする、請求項2に記載の疾病抑制剤。
- 変形性関節症抑制剤、骨粗しょう症抑制剤もしくは褥創抑制剤である、請求項2または3に記載の疾病抑制剤。
- Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)5およびGly-(Pro-Hyp-Gly)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を担体成分とする、請求項2に記載の疾病抑制剤。
- 前記少なくとも1種のペプチド分子が有効成分としての核酸化合物と静電的複合体を形成している、請求項5に記載の疾病抑制剤。
- 前記少なくとも1種のペプチド分子が、癌の骨転移抑制薬剤である核酸化合物の送達剤となっている、請求項6に記載の疾病抑制剤。
- 経口用である、請求項2から7までのいずれかに記載の疾病抑制剤。
- 前記少なくとも1種のペプチド分子を経口投与成分とし前記核酸化合物を局所投与成分としてなる、請求項6または7に記載の疾病抑制剤。
- Glu-Gly-Asp-Gly-His-Leu-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Glu-Lys-Asp-Gly-His-Pro-Gly-Lys-Pro-Gly-Arg-Hyp-Gly-Glu、Gly-(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)3、Gly-(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)2、(Pro-Hyp-Gly)4、(Pro-Hyp-Gly)5およびGly-(Pro-Hyp-Gly)3ならびにこれらの薬学上許容される塩からなる群より選ばれる少なくとも1種のペプチド分子を薬学上有効な量、必須成分として含有する医薬組成物を、それを必要とする患者に投与することを含む、疾病抑制方法。
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CA2820871A CA2820871A1 (en) | 2010-12-14 | 2011-12-12 | Disease inhibiting agent |
JP2012548772A JP5778692B2 (ja) | 2010-12-14 | 2011-12-12 | 疾病抑制剤 |
US13/915,206 US20140024596A1 (en) | 2010-12-14 | 2013-06-11 | Disease inhibiting agent |
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PCT/JP2011/065186 WO2012081273A1 (ja) | 2010-12-14 | 2011-07-01 | 疾病抑制剤 |
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JP2014141531A (ja) * | 2014-05-10 | 2014-08-07 | Isao Kajisa | 完成版がん根絶経口薬 |
CN105188727A (zh) * | 2013-04-26 | 2015-12-23 | 新田明胶株式会社 | 美白促进剂或特应性皮炎改善剂 |
JP2022516423A (ja) * | 2018-12-21 | 2022-02-28 | ジェリータ アーゲー | 生物学的有効性を示す合成および組換えにより製造されたコラーゲンペプチド |
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WO2017170487A1 (ja) * | 2016-03-28 | 2017-10-05 | 富士フイルム株式会社 | 製剤、製剤用部材およびそれらの製造方法 |
JP7060890B2 (ja) * | 2020-08-20 | 2022-04-27 | 株式会社ファーマフーズ | ヒアルロン酸産生促進剤 |
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CN105188727A (zh) * | 2013-04-26 | 2015-12-23 | 新田明胶株式会社 | 美白促进剂或特应性皮炎改善剂 |
JP2014141531A (ja) * | 2014-05-10 | 2014-08-07 | Isao Kajisa | 完成版がん根絶経口薬 |
JP2022516423A (ja) * | 2018-12-21 | 2022-02-28 | ジェリータ アーゲー | 生物学的有効性を示す合成および組換えにより製造されたコラーゲンペプチド |
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CA2820871A1 (en) | 2012-06-21 |
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JP5778692B2 (ja) | 2015-09-16 |
US20140024596A1 (en) | 2014-01-23 |
TW201249456A (en) | 2012-12-16 |
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