WO2021251673A1 - 치주질환 또는 탈구성 외상 치아의 예방 또는 치료용 약학 조성물 - Google Patents
치주질환 또는 탈구성 외상 치아의 예방 또는 치료용 약학 조성물 Download PDFInfo
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- WO2021251673A1 WO2021251673A1 PCT/KR2021/006812 KR2021006812W WO2021251673A1 WO 2021251673 A1 WO2021251673 A1 WO 2021251673A1 KR 2021006812 W KR2021006812 W KR 2021006812W WO 2021251673 A1 WO2021251673 A1 WO 2021251673A1
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- peptide
- periodontal
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- 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
-
- 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
- A61K9/0053—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
-
- 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
Definitions
- the present invention relates to a pharmaceutical composition for the prevention or treatment of periodontal disease or disorganized traumatic teeth, and a composition for periodontal tissue regeneration.
- Periodontium refers to the tissues surrounding the teeth.
- Periodontal tissue consists of the alveolar bone supporting the teeth within the jawbone (jawbone), the periodontal ligament connecting the alveolar bone and the teeth within the jawbone, the cementum containing the fibers of the periodontal ligament, and the gingiva (gum), which is the soft tissue covering the alveolar bone.
- Gingival fibroblasts and periodontal ligament fibroblasts are major cellular components of the gingival soft tissue connective tissue, and play a role in forming and maintaining the extracellular matrix.
- gingival fibroblasts are mainly involved in maintaining the gingival connective tissue, whereas periodontal ligament fibroblasts are involved in the repair and regeneration of adjacent alveolar bone and cementum in vivo as well as forming periodontal ligaments with their unique function. is known
- the periodontal ligament is a fibrous connective tissue that connects the cementum of the tooth root (periodontal part) and the alveolar bone. Both ends of the periodontal ligament are embedded in the cementum and alveolar bone of the root part, and the periodontal ligament fiber bundle embedded in the alveolar bone or cementum is called Sharpey's fiber.
- the function of the periodontal ligament is not only to maintain the teeth and to maintain the structural characteristics of hard tissues, but also to resist the impact of occlusal pressure and to protect soft tissues such as blood vessels and nerves from damage. Another important function is to supply nutrients and function as sensory receptors.
- the nerve control of the periodontal ligament transmits proprioceptive sensations, tactile sensations, and pain sensations through the trigeminal nerve pathway, and detects and regulates external pressure applied to individual teeth. It plays an important role in the neuromuscular mechanisms regulating the masticatory musculature. These periodontal ligaments contain many fibroblasts, and these cells not only form periodontal ligaments with their unique functions, but are also involved in the formation and resorption of cementum and alveolar bone to induce physiological tooth movement and allow periodontal tissues to adapt to occlusal pressure. It has the ability to restore damage.
- Periodontal disease is classified into gingivitis limited to the gums and periodontitis in which inflammation spreads to the alveolar bone surrounding the tooth root. When periodontal disease occurs, it clinically causes tooth loss due to gingival bleeding and swelling, formation of periodontal pockets and destruction of alveolar bone.
- the causes of such periodontal disease include local and systemic factors. Two known local causative factors are dental plaque, calculus and other local causes and trauma from occlusion.
- plaque mechanically accumulates in the periodontal pocket, it becomes a habitat for surrounding bacteria, and this habitat gradually transitions from aerobic, aerobic, and gram-positive bacteria to anaerobic, gram-negative bacteria, and proliferates to the depths of the periodontal pocket, such anaerobes Gram-negative bacteria proliferate and migrate to the depths of the periodontal pocket.
- the toxin and all products of the proliferated anaerobic Gram-negative bacteria cause inflammation along with destruction of periodontal tissue by various actions from the stimulated immune system either directly destroying tissues or stimulating the immune system.
- the function of polymorphonuclear leukocytes and immune response act as systemic factors.
- the basic treatment of periodontal disease is a calculus removal (scaling) procedure that removes plaque and tartar that causes periodontal disease, and similarly, a procedure that removes plaque and calculus. There is root planing. When inflammation is severe due to periodontal disease, alveolar bone damage is accompanied. For the type of bone to be transplanted, the patient's own bone (autologous bone) or xenogeneic or synthetic bone can be used.
- periodontal disease it is considered that not only the causative bacteria of periodontal disease should be removed, but also the process of regenerating periodontal tissue should be performed together.
- Korean Patent No. 1179476 discloses that the promyelocytic leukemia zinc finger (PLZF) gene, Fk506 binding protein 5 (FKBP5) gene, serum amyloid A1 (SAA1) gene, fatty acid binding protein 4 (FABP4) gene, family A (FAM107A) gene with sequence similarity, corin (CORIN) gene, ras-associated C3 butolinum toxin substrate 3 (RAC3) gene or prolactin-derived protein ( PIP) genes and FNDC1, PTGS2, RSAD2, NPTX1, VCAM1, MX1, IFIT1, CLDN1 or WISP2 genes that are low expressed during mineralization of human periodontal ligament (hPDL) cells are disclosed.
- Korean Patent Registration No. 101788916 discloses a pharmaceutical composition for treating periodontal disease comprising an enamel cell culture solution.
- Dental trauma can be broadly divided into fracture trauma and deconstructive trauma.
- Dislocation trauma refers to damage to the periodontal ligament and can be subdivided into concussion/subluxation, orbital dislocation, lateral dislocation, complete dislocation, and intrusion. The success of replanting such a completely dislocated tooth depends on the regeneration of the periodontal ligament attached to the completely dislocated tooth or the periodontal ligament remaining in the alveolar fovea from which the tooth is missing.
- periodontal ligament regeneration does not occur, the cementum and dentin of the tooth root are resorbed, and osseointegration (Ankylosis) occurs in which this area is replaced by alveolar bone. Therefore, the ultimate goal of periodontal treatment is to prevent the progression of periodontal disease and regenerate the destroyed periodontal tissues including gingiva, periodontal ligament, alveolar bone, and cementum to restore it to its original state. No method has been reported.
- periodontal tissue gingiodontal ligament, cementum, alveolar bone
- the present invention was completed by confirming a new use of a peptide capable of not only treating damaged periodontal ligaments of teeth but also regenerating damaged cementum and alveolar bone.
- An object of the present invention is to provide a pharmaceutical composition for the prevention or treatment of periodontal disease or disorganized traumatic teeth.
- Another object of the present invention is to provide a composition for periodontal tissue regeneration.
- Another object of the present invention is to provide a composition for promoting gene expression of any one or more of BSP, DMP1, CAP, COL3, and periostin.
- the present invention relates to a method for treating periodontal disease or destructive traumatic teeth in a subject, comprising administering to the subject in need of treatment for periodontal disease or deconstructive traumatic tooth, an effective amount of a peptide or a pharmaceutically acceptable salt thereof Another purpose is to provide
- Another object of the present invention is to provide a use of the peptide or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the prevention or treatment of periodontal disease or deconstructive traumatic teeth.
- compositions for the prevention or treatment of periodontal disease or deconstructive trauma teeth comprising a peptide comprising the amino acid sequence of the following general formula 1 or a pharmaceutically acceptable salt thereof provides:
- X5 to X7 are each independently arginine (R) or lysine (K);
- X8 is asparagine (N) or serine (S).
- mutant peptides having a sequence different from the amino acid sequence constituting it and one or more amino acid residues are also included in the scope of the peptides provided in the present invention. do.
- the present inventors have completed the present invention by confirming that the peptide can treat periodontal disease or deconstructive traumatic teeth by promoting the regeneration of periodontal ligaments or differentiation into osteoblasts and cretaceous cells, and regeneration of alveolar bone and cementum.
- the peptide increased the expression of BSP, DMP1, and CAP, which are osteoblast and chorionic cell differentiation marker genes, and increased the expression of periostin and COL3, which are periodontal ligament differentiation marker genes, in human periodontal ligament cells.
- the peptide increases the expression of BSP and DMP1, which are marker genes for osteoblasts and cetaceans, in human mesenchymal stem cells.
- the peptide regenerated alveolar bone, cementum, and periodontal ligament.
- the peptide of the present invention has the effect of regenerating alveolar bone and forming new cementum-like tissue and new periodontal ligament-like tissue, and the new periodontal ligament formed by the peptide of the present invention is embedded in the newly formed alveolar bone and cementum. was confirmed.
- the peptide may be one in which a conservative substitution has occurred in one or more amino acids.
- Constant substitution means substituting an amino acid for another amino acid having similar structural and/or chemical properties.
- the peptides may have, for example, one or more conservative substitutions while still retaining the same or similar biological activity.
- Such amino acid substitutions may generally occur based on similarity in the polarity, charge, solubility, hydrophobicity, hydrophilicity and/or amphipathic nature of the residues.
- positively charged (basic) amino acids include arginine, lysine, and histidine
- negatively charged (acidic) amino acids include glutamic acid and aspartic acid
- Aromatic amino acids include phenylalanine, tryptophan and tyrosine
- hydrophobic amino acids include alanine, valine, isoleucine, leucine, methionine, phenylalanine, tyrosine and tryptophan.
- amino acids can be classified into amino acids with electrically charged side chains and amino acids with uncharged side chains, and amino acids with charged side chains are aspartic acid, glutamic acid, lysine, Amino acids with uncharged side chains, including arginine and histidine, can be further classified as nonpolar amino acids or polar amino acids, and nonpolar amino acids are glycine, alanine, valine, leucine, and isoleucine. Methionine, proline, and polar amino acids can be classified as containing serine, threonine, cysteine, asparagine, and glutamine. Conservative substitutions with amino acids having similar properties as described above can be expected to exhibit the same or similar activity.
- the effect of the peptide provided in the present invention can be shown as it is, so it falls within the scope of the peptide provided in the present invention. Included. As an example, it may be in a form in which 1 to 300 amino acids are added to the N-terminus or C-terminus of the peptide, and as another example, 1 to 100 amino acids are added to the N-terminus or C-terminus of the peptide. It may be in an added form, and as another example, it may be in a form in which 1 to 24 amino acids are added to the N-terminus or C-terminus of the peptide.
- the peptide may include the amino acid sequence of any one of SEQ ID NOs: 1 to 16.
- the peptide may consist essentially of any one of the amino acid sequences of SEQ ID NOs: 1 to 16, or the peptide may consist of any one of the amino acid sequences of SEQ ID NOs: 1 to 16.
- the peptide of the present invention has an amino acid sequence of SEQ ID NOs: 1 to 16 and 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99 It may include an amino acid sequence having % or more homology or identity, but is not limited thereto.
- “Homology” or “identity” refers to the degree to which two given amino acid sequences or base sequences are related to each other and can be expressed as a percentage.
- the terms “homology” and “identity” can often be used interchangeably.
- Whether any two peptide sequences have homology, similarity or identity can be determined, for example, by Pearson et al (1988) [Proc. Natl. Acad. Sci. USA 85]: using default parameters as in 2444, using a known computer algorithm such as the “FASTA” program. or, as performed in the Needleman program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al., 2000, Trends Genet. 16: 276-277) (version 5.0.0 or later), The Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453) can be used to determine.
- Pearson et al (1988) [Proc. Natl. Acad. Sci. USA 85]: using default parameters as in 2444, using a known computer algorithm such as the “FASTA” program. or, as performed in the Needleman program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice e
- GAP program is defined as the total number of symbols in the shorter of two sequences divided by the number of similarly aligned symbols (ie, amino acids).
- Default parameters for the GAP program are: (1) a binary comparison matrix (containing values of 1 for identity and 0 for non-identity) and Schwartz and Dayhoff, eds., Atlas Of Protein Sequence And Structure, National Biomedical Research Foundation, pp.
- the peptide may be used in the form of a single peptide, or in the form of a polypeptide in which the peptide is repeated two or more times and linked.
- the pharmaceutical composition may include a polypeptide in which the peptide is linked repeatedly.
- a peptide comprising the amino acid sequence of Formula 1 applied to the present invention can be prepared by a combination of various methods for preparing various peptides.
- the peptide of the present invention can be synthesized by a method well known in the art, for example, an automatic peptide synthesizer, or it can be produced by a genetic engineering technique.
- the peptides of the present invention can be prepared by standard synthetic methods, recombinant expression systems, or any other method in the art. Accordingly, the peptides according to the present invention can be synthesized by a number of methods including, but not limited to, for example, methods including:
- the preparation of the peptide may include modification using L- or D-form amino acids, and/or non-natural amino acids; and/or by modifying the native sequence, e.g., modification of side chain functional groups, intramolecular covalent bonds, such as inter-side chain ring formation, methylation, acylation, ubiquitination, phosphorylation, aminohexylation, biotinylation, etc. includes all that Also, the above modifications include all substitutions with non-naturally occurring compounds.
- Substituted or added amino acids used in the above modification may use atypical or non-naturally occurring amino acids as well as the 20 amino acids commonly found in human proteins.
- Commercial sources of atypical amino acids may include, but are not limited to, Sigma-Aldrich, ChemPep and Genzyme pharmaceuticals.
- Peptides containing these amino acids and canonical peptide sequences may be synthesized and purchased from commercial peptide synthesis companies, for example, American peptide company or Bachem in the United States, or Anygen in Korea, but is not limited thereto.
- Amino acid derivatives can also be obtained in the same manner, and to name just a few examples, 4-imidazoacetic acid and the like can be used.
- the peptide according to the present invention may have an unmodified N-terminus and/or C-terminus, but its N-terminus and/or C-terminus, etc.
- This chemically modified form, protected by an organic group, or modified by adding amino acids to the end of the peptide is also included in the scope of the peptide according to the present invention.
- the terminus of the peptide according to the present invention has a free carboxyl group, but is not particularly limited thereto.
- the N-terminus is acetylated and/or the C-terminus is amidated to remove these charges.
- it is not particularly limited thereto.
- the peptide may include a peptide in which structural stability to heat, pH, etc. of the peptide is increased by mutation or modification in the amino acid sequence, or the prevention or treatment effect of periodontal disease or deconstructive trauma teeth is increased, or periodontal ligament tissue regeneration ability is increased. .
- the peptide includes both the peptide itself, a salt thereof (eg, a pharmaceutically acceptable salt of the peptide), or a solvate thereof.
- the type of the salt is not particularly limited. However, it is preferable that the form is safe and effective for an individual, such as a mammal, but is not particularly limited thereto.
- the peptide may be in any pharmaceutically acceptable form.
- “Pharmaceutically acceptable” means a sufficient amount to exhibit a therapeutic effect and does not cause side effects, and includes the type of disease, the patient's age, weight, health, sex, the patient's sensitivity to the drug, the route of administration, It can be easily determined by a person skilled in the art according to factors well known in the medical field, such as the administration method, the number of administration, the treatment period, the combination or the drugs used simultaneously.
- the peptide may be in the form of a pharmaceutically acceptable salt thereof.
- the salts include conventional acid addition salts used in the pharmaceutical field, for example periodontal disease, for example salts derived from inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, sulfamic acid, phosphoric acid or nitric acid and acetic acid, propionic acid, succinic acid , glycolic acid, stearic acid, citric acid, maleic acid, malonic acid, methanesulfonic acid, tartaric acid, malic acid, phenylacetic acid, glutamic acid, benzoic acid, salicylic acid, 2-acetoxybenzoic acid, fumaric acid, toluenesulfonic acid, oxalic acid or trifluoroacetic acid salts derived from organic acids.
- the salt may be a base addition salt such as ammonium, dimethylamine, monomethylamine, monoethylamine, or diethylamine.
- the salts also include conventional metal salt forms, for example salts derived from metals such as lithium, sodium, potassium, magnesium, or calcium.
- the acid addition salt, base addition salt or metal salt may be prepared according to a conventional method.
- Pharmaceutically acceptable salts and general methodologies for their preparation are well known in the art. For example, in P. Stahl, et al. Handbook of Pharmaceutical Salts: Properties, Selection and Use, 2nd Revised Edition (Wiley-VCH, 2011)]; [S.M. Berge, et al., "Pharmaceutical Salts," Journal of Pharmaceutical Sciences, Vol. 66, No. 1, January 1977].
- triphosphonium salts include benzotriazol-1-yloxytris (pyrrolagino) phosphonium hexafluorophosphate (PyBOP), bromotris (pyrrolazino) phosphonium hexafluorophosphate (PyBroP), 7 -Azabenzotriazol-1-yloxytris(pyrrolazino)phosphonium hexafluorophosphate (PyAOP), examples of tetramethyluronium salts are 2-(1H-benzotriazol-1-yl)- 1,1,3,3-tetramethyluronium hexafluorophosphate (HBTU), 2-(7-azabenzotriazol-1-yl)-1,1,3,3-
- racemization inhibitors eg, N-hydroxy-5-norbornene-2,3-dicarboxylic acid imide (HONB), 1-hydroxybenzotriazole (HOBt), 1-hydroxy- 7-azabenzotriazole (HOAt), 3,4-dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine (HOOBt), ethyl 2-cyano-2- (hydroxyl mino)acetate (Oxyma), etc.
- the solvent used for the condensation may be appropriately selected from those known to be useful for the peptide condensation reaction.
- acid amides such as anhydrous or water-containing N,N-dimethylformamide, N,N-dimethylacetamide, N-methylpyrrolidone, etc.; halogenated hydrocarbons such as methylene chloride, chloroform, etc.; Alcohols such as fluoroethanol and phenol, sulfoxides such as dimethylsulfoxide, tertiary amines such as pyridine, ethers such as dioxane and tetrahydrofuran, nitriles such as acetonitrile and propionitrile, methyl acetate, ethyl Esters such as acetates and the like, suitable mixtures thereof, and the like can be used.
- Alcohols such as fluoroethanol and phenol, sulfoxides such as dimethylsulfoxide, tertiary amines such as pyridine, ethers such as dioxane and tetrahydrofuran, nitriles such as acet
- the reaction temperature is appropriately selected from a range known to be usable for a peptide binding reaction, and is usually selected from the range of about -20°C to 90°C.
- Activated amino acid derivatives are usually used in 1.5 to 6-fold excess.
- solid-phase synthesis when the test using the ninhydrin reaction indicates that the condensation is insufficient, sufficient condensation can be carried out by repeating the condensation reaction without removing the protecting group. If the condensation is still insufficient after repeating the reaction, the unreacted amino acid may be acetylated with an acid anhydride, acetylimidazole, or the like, so that the influence on the subsequent reaction can be avoided.
- protecting groups for the amino group of the starting amino acid are benzyloxycarbonyl (Z), tert-butoxycarbonyl (Boc), tert-pentyloxycarbonyl, isobornyloxycarbonyl, 4-methoxybenzyloxycarbonyl , 2-chlorobenzyloxycarbonyl (Cl-Z), 2-bromobenzyloxycarbonyl (Br-Z), adamantyloxycarbonyl, trifluoroacetyl, phthaloyl, formyl, 2-nitro phenylsulfenyl, diphenylphosphinothioyl, 9-fluorenylmethyloxycarbonyl (Fmoc), trityl, and the like.
- Examples of a carboxyl-protecting group for the starting amino acid include, in addition to the above-mentioned C 1-6 alkyl group, C 3-10 cycloalkyl group, C 7-14 aralkyl group, aryl, 2-adamantyl, 4-nitrobenzyl, 4 -methoxybenzyl, 4-chlorobenzyl, phenacyl and benzyloxycarbonylhydrazide, tert-butoxycarbonylhydrazide, tritylhydrazide and the like.
- the hydroxyl group of serine or threonine may be protected, for example, by esterification or etherification.
- groups suitable for esterification include lower (C 2-4 ) alkanoyl groups such as acetyl groups, aroyl groups such as benzoyl groups, and groups derived from organic acids and the like.
- groups suitable for etherification include benzyl, tetrahydropyranyl, tert-butyl (But t ), trityl (Trt), and the like.
- Examples of the protecting group for the phenolic hydroxyl group of tyrosine include Bzl, 2,6-dichlorobenzyl, 2-nitrobenzyl, Br-Z, tert-butyl and the like.
- Examples of the protecting group of histidine for imidazole include p-toluenesulfonyl (Tos), 4-methoxy-2,3,6-trimethylbenzenesulfonyl (Mtr), dinitrophenyl (DNP), benzyloxymethyl (Bom), tert-butoxymethyl (Bum), Boc, Trt, Fmoc, and the like.
- Examples of protecting groups for the guanidino group of arginine include Tos, Z, 4-methoxy-2,3,6-trimethylbenzenesulfonyl (Mtr), p-methoxybenzenesulfonyl (MBS), 2,2, 5,7,8-pentamethylchroman-6-sulfonyl (Pmc), mesitylene-2-sulfonyl (Mts), 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl phonyl (Pbf), Boc, Z, NO 2 and the like.
- Mtr 4-methoxy-2,3,6-trimethylbenzenesulfonyl
- MSS p-methoxybenzenesulfonyl
- Pmc 2,2, 5,7,8-pentamethylchroman-6-sulfonyl
- Mts mesitylene-2-sulfonyl
- Pbf 2,2,4,6,7-p
- Examples of the protecting group for the side chain amino group of lysine include Z, Cl-Z, trifluoroacetyl, Boc, Fmoc, Trt, Mtr, 4,4-dimethyl-2,6-dioxocyclohexylidenyl (Dde), etc. includes
- Examples of the protecting group for indolyl of tryptophan include formyl (For), Z, Boc, Mts, Mtr, and the like.
- protecting groups for asparagine and glutamine include Trt, xantyl (Xan), 4,4'-dimethoxybenzhydryl (Mbh), 2,4,6-trimethoxybenzyl (Tmob), and the like.
- activated carboxyl groups in the starting material include the corresponding acid anhydrides, azides, active esters [esters with alcohols (eg pentachlorophenol, 2,4,5-trichlorophenol, 2,4-dinitrophenol) , cyanomethyl alcohol, paranitrophenol, HONB, N-hydroxysucciimide, 1-hydroxybenzotriazole (HOBt), 1-hydroxy-7-azabenzotriazole (HOAt))] include Examples of activated amino groups in the starting material include the corresponding phosphorus amides.
- Examples of methods for removing (eliminating) protecting groups include catalytic reduction in a hydrogen stream in the presence of a catalyst such as Pd-black or Pd-carbon; Anhydrous hydrogen fluoride, methanesulfonic acid, trifluoromethanesulfonic acid, trifluoroacetic acid (TFA), trimethylsilyl bromide (TMSBr), trimethylsilyl trifluoromethanesulfonate, tetrafluoroboric acid, tris(tris) acid treatment with a solution of fluoro)boric acid, boron tribromide, or a mixture thereof; base treatment with diisopropylethylamine, triethylamine, piperidine, piperazine or the like; and reduction with sodium in liquid ammonia and the like.
- a catalyst such as Pd-black or Pd-carbon
- Anhydrous hydrogen fluoride methanesulfonic acid, trifluoromethanesulfonic acid, trifluoro
- the removal reaction by acid treatment described above is generally carried out at a temperature of -20°C to 40°C; Acid treatments include anisole, phenol, thioanisole, methacresol and paracresol; This is done efficiently by adding a cation scavenger such as dimethylsulfide, 1,4-butanedithiol, 1,2-ethanedithiol, triisopropylsilane, and the like.
- a cation scavenger such as dimethylsulfide, 1,4-butanedithiol, 1,2-ethanedithiol, triisopropylsilane, and the like.
- the 2,4-dinitrophenyl group used as the protecting group of imidazole of histidine is removed by thiophenol treatment;
- the formyl group used as the protecting group of the indole of tryptophan is not only by acid treatment in the presence of 1,2-ethanedithiol, 1,4-butanedithiol, etc., but also by alkali treatment with diluted sodium hydroxide, diluted ammonia, etc. It is removed by deprotection.
- Protection of a functional group that should not be involved in the reaction between the starting material and the protecting group, removal of the protecting group, activation of the functional group involved in the reaction, and the like may be appropriately selected from known protecting groups and known means.
- an amide of a peptide it is formed by solid-phase synthesis using a resin for amide synthesis, or the ⁇ -carboxyl group of a carboxy terminal amino acid is amidated, and the peptide chain is extended to the desired chain length toward the amino group. Then, a peptide in which the protecting group for the N-terminal ⁇ -amino group of only the peptide chain has been removed and the peptide with only the protecting group for the C-terminal carboxyl group removed from the peptide chain are prepared, and these two peptides are mixed as described above condensed in a solvent. For the details of the condensation reaction, the same applies as above.
- the protected peptide obtained by condensation is purified, all protecting groups can be removed by the method described above to obtain the desired crude peptide.
- the desired amide of the peptide can be prepared by purifying this crude peptide using various publicly known means of purification of the main fraction and freeze-drying.
- the peptide may be in the form of a solvate thereof.
- “Solvate” means that the peptide or a salt thereof forms a complex with a solvent molecule.
- Periodontal disease refers to inflammatory diseases that occur in the tissues around the teeth that maintain teeth, such as the gingiva, periodontal ligaments, and alveolar bone. It refers to a disease in which bacteria infect the gap between the gingiva (gum) and the teeth and damage the periodontal ligament and adjacent tissues. As the inflammation progresses and more tissue is damaged, a periodontal pocket is formed, and the more severe periodontitis, the deeper the periodontal pocket.
- the periodontal disease may be a periodontal tissue inflammatory disease.
- the periodontal disease may be gingivitis or periodontitis.
- the pharmaceutical composition may further include a drug for treating periodontal disease.
- the periodontal disease treatment drug may be separated from the peptide, or may be in a form in which a complex is formed with the peptide by binding to the N-terminus or C-terminus of the peptide.
- Deconstructive trauma includes traumatic force applied to a tooth or periodontal tissue, in which the tooth and periodontal tissue are destroyed according to the difference in direction and size, and the periodontal ligament is damaged. , including those subdivided into lateral dislocation, complete dislocation, and intrusion. Therefore, fundamental treatment of deconstructive trauma also requires regeneration of the damaged periodontal ligament. In particular, the success of replanting a completely dislocated tooth depends on the regeneration of the periodontal ligament attached to the completely dislocated tooth or the periodontal ligament remaining in the alveolar fossa from which the tooth is missing. If periodontal ligament regeneration does not occur, the cementum and dentin of the tooth root are resorbed, and osseointegration (Ankylosis) occurs in which this area is replaced by alveolar bone.
- Tooth replantation is a method of intentionally extracting a tooth and then performing appropriate root canal treatment or re-implanting it in the extraction fossa before it is performed. Intentional replantation can be performed in situations where root canal treatment has failed, anatomical limitations, accessibility difficulties, dislocated teeth due to an accident, or intentionally rapid orthodontic eruption is required.
- Prevention refers to any action that suppresses or delays the onset of periodontal disease or disorganized traumatic teeth by administration of the composition.
- Treatment refers to any action in which the symptoms of periodontal disease or disorganized traumatic teeth are improved or beneficial by administration of the composition.
- the pharmaceutical composition may be prepared in the form of a pharmaceutical composition for the treatment of periodontal disease further comprising an appropriate carrier (natural or non-natural carrier), excipient or diluent commonly used in the preparation of a pharmaceutical composition to the peptide.
- the pharmaceutical composition may be formulated and used in the form of a sterile injectable solution that can be administered to the area induced by periodontal disease according to a conventional method, respectively.
- carriers, excipients and diluents that may be included in the pharmaceutical composition include lactose, dextrose, sucrose, sorbitol, mannitol, xylitol, erythritol, maltitol, starch, acacia gum, alginate, gelatin, calcium phosphate, calcium silicate, cellulose, methyl cellulose, microcrystalline cellulose, polyvinyl pyrrolidone, water, methyl hydroxy benzoate, propyl hydroxy benzoate, talc, magnesium stearate, mineral oil, collagen and the like.
- aqueous solutions such as fillers, extenders, binders, wetting agents, disintegrants, and surfactants.
- sterilized aqueous solutions non-aqueous solvents, suspensions, emulsions, freeze-dried preparations, suppositories, ointments (for example, dental pulp material, etc.) may be included.
- Non-aqueous solvents and suspending agents include propylene glycol, polyethylene glycol, vegetable oils such as olive oil, and injectable esters such as ethyl oleate.
- witepsol macrogol, tween 61, cacao butter, laurin, glycerogelatin, and the like can be used.
- the content of the peptide or a pharmaceutically acceptable salt thereof included in the pharmaceutical composition is not particularly limited thereto, but may be included in an amount of 0.0001 to 50% by weight, or 0.01 to 20% by weight, based on the total weight of the final composition.
- the pharmaceutical composition may be administered in a pharmaceutically effective amount.
- pharmaceutically effective amount means an amount sufficient to treat or prevent a disease at a reasonable benefit/risk ratio applicable to medical treatment or prevention.
- the effective dose level is the severity of the disease, the activity of the drug, the patient's age, weight, health, sex, the patient's sensitivity to the drug, the time of administration of the composition of the present invention used, the route of administration and the rate of excretion, the treatment period, It can be determined according to factors including drugs used in combination or concurrent with the composition of the present invention used and other factors well known in the medical field.
- the pharmaceutical composition of the present invention may be administered alone or in combination with a known pharmaceutical composition for treating periodontal disease. Taking all of the above factors into consideration, it is important to administer an amount that can obtain the maximum effect with a minimum amount without side effects.
- the dosage of the pharmaceutical composition can be determined by those skilled in the art in consideration of the purpose of use, the degree of addiction of the disease, the age, weight, sex, history, or the type of material used as an active ingredient, etc. of the patient.
- the pharmaceutical composition of the present invention may be administered in an amount of from about 0.1 ng to about 100 mg/kg, preferably from 1 ng to about 10 mg/kg, per adult, and the administration frequency of the composition of the present invention is particularly limited thereto. Although not limited, it may be administered once a day or administered several times in divided doses. The above dosage does not limit the scope of the present invention in any way.
- composition for periodontal tissue regeneration comprising a peptide comprising the amino acid sequence of the following general formula 1:
- X5 to X7 are each independently arginine (R) or lysine (K);
- X8 is asparagine (N) or serine (S).
- the peptide may include the amino acid sequence of any one of SEQ ID NOs: 1 to 16.
- the peptide may consist essentially of any one of the amino acid sequences of SEQ ID NOs: 1 to 16, or the peptide may consist of any one of the amino acid sequences of SEQ ID NOs: 1 to 16.
- Periodontal ligament PDL
- cementum cementum
- Periodontal ligament also called periodontal fascia
- the periodontal ligament refers to a connective tissue fibrous membrane that connects the cementum of the tooth root with the alveolar bone wall in mammals.
- the periodontal ligament is composed of a main fiber, which is a collagen fiber extending parallel or obliquely to the long axis of the tooth, and a bundle of Sharpey fibers, both ends of which are continuously buried in hard tissue, through the periodontal ligament, the tooth elastically supports the jawbone. (Alveolar bone) is fixed.
- the periodontal ligament not only buffers the pressure generated when food is chewed, but is also rich in blood vessels and nerves, and is known to be involved in nutrition and sensation.
- Periodontal ligament contains various cells such as fibroblasts, undifferentiated mesenchymal cells, and epithelial cells. Among them, periodontal ligament fibroblasts can be differentiated into osteoblasts or crypt cells by appropriate stimulation. The differentiation mechanism and differentiation-promoting protein of the are not known. BSP (bone sialoprotein), OC (osteocalcin), CAP (cementum attachment protein), etc. are known as markers for the differentiation of cretaceous cells. In particular, CAP is known to play an important role in the attachment of periodontal ligament fibers to the cementum.
- BSP bone sialoprotein
- OC osteocalcin
- CAP cementum attachment protein
- cementum is the calcified tissue covering the tooth root (root) of mammals.
- the cementum fixes the teeth to the alveolar bone by fixing the periodontal ligaments. Therefore, when bacteria infect the gums, the cementum surrounding the teeth is degenerated, and the periodontal ligament fibers that connect the teeth and the alveolar bone cannot adhere to the degenerated cementum, causing the teeth to shake. For the treatment of this degenerated cementum, the formation of new cementum is required.
- Alveolar bone is a part of the maxilla and mandible that surrounds the tooth root and supports the teeth. By fixing the periodontal ligament together with the root cementum, the alveolar bone plays an important role in occlusal pressure such as mastication, as well as the dispersion and absorption of pressure on the teeth that occur during pronunciation and swallowing.
- Periodontal ligament fibroblasts together with gingival fibroblasts are the main cellular components of soft tissue connective tissue of periodontal tissue. Periodontal ligament fibroblasts not only form periodontal ligaments with their unique function, but are also involved in the repair and regeneration of adjacent alveolar bone and cementum in vivo. It is distinct from gingival fibroblasts, which are involved in Periodontal ligament fibroblasts can be differentiated into osteoblasts or chorionic cells by an appropriate stimulus, but the mechanism of differentiation of periodontal ligament fibroblasts into chetocytes is not clearly known. BSP (bone sialoprotein), OC (osteocalcin), etc.
- BSP bone sialoprotein
- OC osteocalcin
- CAP cementum attachment protein
- a periostin gene is known as a gene that plays an important role in the attachment of periodontal ligament fibers to the cementum.
- a periostin gene is known as a periodontal ligament marker. According to several recent studies, it has been reported that periostin plays an important role in the regeneration of periodontal ligaments and alveolar bone after periodontal surgery by promoting collagen fiber production and migration of fibroblasts and osteoblasts as an important regulator of periodontal tissue formation.
- Regeneration may refer to any action in which lost or damaged cells or tissues are repaired or replenished. The regeneration may be due to cell differentiation.
- the peptide has an effect of promoting the differentiation of periodontal ligament fibroblasts into cetaryocytes.
- composition for periodontal tissue regeneration may promote regeneration of any one or more of gingiva, periodontal ligament, cementum, and alveolar bone.
- composition for periodontal tissue regeneration may be a pharmaceutical composition.
- the pharmaceutical composition is as described above.
- the composition for periodontal tissue regeneration may be a quasi-drug composition.
- the quasi-drug composition may be a quasi-drug composition for preventing or improving periodontal disease or deconstructive traumatic teeth.
- improvement is meant any action that at least reduces the severity of a parameter, eg, a symptom, associated with the condition being treated.
- the improvement is to promote the regeneration of periodontal tissue by administering a pharmaceutical composition comprising the peptide as an active ingredient to an individual in need of treatment of periodontal disease, thereby improving or beneficial symptoms of periodontal disease or deconstructive traumatic teeth.
- a pharmaceutical composition comprising the peptide as an active ingredient to an individual in need of treatment of periodontal disease, thereby improving or beneficial symptoms of periodontal disease or deconstructive traumatic teeth.
- quasi-drugs refers to products with a milder action than pharmaceuticals among items used for the purpose of diagnosing, treating, improving, alleviating, treating or preventing diseases of humans or animals.
- quasi-drugs are Textile and rubber products used for the treatment or prevention of diseases of humans and animals, those that do not have a slight or direct action on the human body, and are not instruments or machines, and things similar to those used for the purpose of preventing infectious diseases This includes disinfectants and pesticides.
- the type or formulation of the quasi-drug composition containing the peptide is not particularly limited, but as an example, it may be an oral disinfectant cleaner, oral cleaning product, toothpaste, dental floss, oral ointment, and the like.
- the composition for periodontal tissue regeneration may be a health functional food composition.
- the health functional food composition may be a health functional food composition for preventing or improving periodontal disease or deconstructive trauma teeth.
- Food means meat, sausage, bread, chocolate, candy, snacks, confectionery, pizza, ramen, other noodles, gum, dairy products including ice cream, various soups, beverages, tea, drinks, alcoholic beverages, vitamin complexes, health There are functional foods and health foods, and includes all foods in the ordinary sense.
- the functional food is the same term as food for special health use (FoSHU), and in addition to nutritional supply, it is processed to efficiently exhibit bioregulatory functions and has high medical effects.
- function (sex) means to obtain a useful effect for health purposes such as regulating nutrients or physiological action with respect to the structure and function of the human body.
- the food of the present invention can be prepared by a method commonly used in the art, and at the time of manufacture, it can be prepared by adding raw materials and components commonly added in the art.
- the formulation of the food may be prepared without limitation as long as it is a formulation recognized as a food.
- the composition for food of the present invention can be prepared in various forms, and unlike general drugs, it has the advantage that there are no side effects that may occur during long-term use of drugs by using food as a raw material, and excellent portability, the present invention Foods can be ingested as an adjuvant to enhance the effect of preventing or improving periodontal disease or deconstructive trauma teeth.
- the health food means food having an active health maintenance or promotion effect compared to general food
- health supplement food means food for the purpose of health supplementation.
- the terms health functional food, health food, and dietary supplement may be used interchangeably.
- the health functional food is a food prepared by adding the peptide of the present invention to food materials such as beverages, teas, spices, gums, and confectionery, or by encapsulating, powdering, suspension, etc. It means to bring an effect, but unlike general drugs, it has the advantage that there are no side effects that may occur when taking the drug for a long time using food as a raw material.
- the food composition can be consumed on a daily basis, a high effect can be expected for the prevention or improvement of periodontal disease or deconstructive trauma teeth, and thus can be very usefully used.
- the food composition may further include a physiologically acceptable carrier, the type of carrier is not particularly limited and any carrier commonly used in the art may be used.
- the food composition may include additional ingredients that are commonly used in food compositions to improve odor, taste, vision, and the like.
- vitamins A, C, D, E, B1, B2, B6, B12, niacin, biotin, folate, pantothenic acid, and the like may be included.
- it may include minerals such as zinc (Zn), iron (Fe), calcium (Ca), chromium (Cr), magnesium (Mg), manganese (Mn), copper (Cu).
- it may include amino acids such as lysine, tryptophan, cysteine, and valine.
- the food composition includes a preservative (potassium sorbate, sodium benzoate, salicylic acid, sodium dehydroacetate, etc.), a disinfectant (bleaching powder and high bleaching powder, sodium hypochlorite, etc.), an antioxidant (butylhydroxyanisole (BHA), butyl hydro Loxytoluene (BHT), etc.), coloring agents (tar pigments, etc.), coloring agents (sodium nitrite, sodium nitrite, etc.), bleach (sodium sulfite), seasonings (MSG sodium glutamate, etc.), sweeteners (dulcin, cyclamate, saccharin, etc.) , sodium, etc.), flavorings (vanillin, lactones, etc.), swelling agents (alum, D-potassium hydrogen tartrate, etc.), strengthening agents, emulsifiers, thickeners (foaming agents), film agents, gum base agents, foam inhibitors, solvents, improving agents, etc. It may contain food additives.
- the peptide may be added as it is or used together with other foods or food ingredients, and may be appropriately used according to a conventional method.
- the mixed amount of the active ingredient may be suitably determined according to the purpose of its use (prevention, health or therapeutic treatment).
- the food composition of the present invention may be added in an amount of 50 parts by weight or less, 20 parts by weight or less, 10 parts by weight or less, 5 parts by weight or less, 1 part by weight or less, 0.1 parts by weight or less.
- the active ingredient may be used in an amount above the above range.
- the food composition it may be used as a health drink composition, and in this case, it may contain various flavoring agents or natural carbohydrates as an additional component like a conventional drink.
- the above-mentioned natural carbohydrates include monosaccharides such as glucose and fructose; disaccharides such as maltose and sucrose; polysaccharides such as dextrin and cyclodextrin; It may be a sugar alcohol such as xylitol, sorbitol, or erythritol.
- Sweeteners include natural sweeteners such as taumatine, stevia extract; A synthetic sweetener such as saccharin or aspartame may be used.
- the ratio of the natural carbohydrate may be generally about 0.01 to 0.04 g, specifically about 0.02 to 0.03 g per 100 mL of the health beverage composition of the present invention.
- the health beverage composition includes various nutrients, vitamins, electrolytes, flavoring agents, coloring agents, pectic acid, pectic acid salts, alginic acid, alginic acid salts, organic acids, protective colloidal thickeners, pH adjusters, stabilizers, preservatives, glycerin, It may contain alcohol, a carbonation agent, or the like. In addition, it may contain the pulp for the production of natural fruit juice, fruit juice beverage, or vegetable beverage. These components may be used independently or in combination. Although the ratio of these additives is not very important, it is generally selected in the range of 0.01 to 0.1 parts by weight per 100 parts by weight of the health beverage composition of the present invention.
- the food composition may include various weight % if it can exhibit the effect of preventing or improving periodontal disease or deconstructive trauma, specifically, 0.00001 to 100% by weight or 0.01 to 100% by weight of the peptide of the present invention relative to the total weight of the food composition It may include 80% by weight, but is not limited thereto.
- BSP Bosset sialoprotein
- DMP1 Density protein 1
- CAP cementum attachment protein
- It provides a composition for promoting gene expression of one or more of COL3 (collagen type III) and periostin:
- X5 to X7 are each independently arginine (R) or lysine (K);
- X8 is asparagine (N) or serine (S).
- the peptide may include the amino acid sequence of any one of SEQ ID NOs: 1 to 16.
- the peptide may consist essentially of any one of the amino acid sequences of SEQ ID NOs: 1 to 16, or the peptide may consist of any one of the amino acid sequences of SEQ ID NOs: 1 to 16.
- the peptide increased the expression of BSP, DMP1, and CAP, which are osteoblast and chorionic cell differentiation marker genes, and increased the expression of periostin and COL3, which are periodontal ligament differentiation marker genes, in human periodontal ligament cells.
- the peptide increases the expression of BSP and DMP1, which are marker genes for osteoblasts and cetaceans, in human mesenchymal stem cells.
- Another aspect for solving the technical problem of the present invention includes administering an effective amount of the peptide or a pharmaceutically acceptable salt thereof to an individual in need of treatment for periodontal disease or deconstructive traumatic teeth, in an individual Provided is a method for treating periodontal disease or a dislocated traumatic tooth.
- “Individual” means a subject in need of treatment for a disease, and more specifically, refers to mammals such as human or non-human primates, mice, rats, dogs, cats, horses and cattle. .
- Effective amount refers to an amount or dose of said peptide or a pharmaceutically acceptable salt thereof that, when administered to a patient in single or multiple doses, provides the desired effect in a patient under diagnosis or treatment.
- An effective amount can be readily determined by the attending physician of ordinary skill in the art by using known techniques or by observing the results obtained under similar circumstances.
- an effective amount for a patient the mammalian species; his size, age and general health; the specific disease or disorder involved; degree or severity of involvement of the disease or disorder; individual patient response; the particular compound being administered; mode of administration; the bioavailability characteristics of the agent being administered; selected dosing regimen; use of concomitant medications; and other relevant circumstances are considered by the attending physician.
- administering means introducing a given substance into a patient by any suitable method.
- the route of administration may be any general route capable of reaching the in vivo target of the patient.
- the administration may be, for example, intraperitoneal administration, intravenous administration, intramuscular administration, subcutaneous administration, intradermal administration, oral administration, topical administration, intranasal administration, or rectal administration, but is not limited thereto.
- Treatment of the periodontal disease or deconstructive trauma tooth may be by regeneration of periodontal tissue, but is not limited thereto.
- an effective amount of the peptide or a pharmaceutically acceptable salt thereof may be administered simultaneously, separately, or sequentially with an effective amount of one or more other active ingredients.
- the one or more other active ingredients may be, but are not limited to, one or more other agents for treating periodontal disease or dislocated traumatic teeth.
- Another aspect of the present invention for solving the above technical problem provides the use of the peptide or a pharmaceutically acceptable salt thereof in the manufacture of a medicament for the prophylaxis or treatment of periodontal disease or deconstructive trauma teeth.
- the pharmaceutical composition for the prevention or treatment of periodontal disease or destructive trauma teeth promotes the regeneration of periodontal tissues including periodontal ligament, alveolar bone and cementum and the attachment of periodontal ligaments, such as periodontal disease and destructive trauma teeth It can be used to restore damaged connective tissue. Therefore, the peptide can be used in various ways as pharmaceutical compositions, quasi-drugs compositions, health functional food compositions, and the like.
- Example 1 shows that the peptides of Group 1 and Group 2 prepared in Example 1 are bone sialoprotein (BSP), DMP1 (Dentin Matrix protein 1) and CAP (Dentin Matrix protein 1), which are osteoblast and chorionic cell differentiation marker genes in human periodontal ligament cells (hPDL). It is a graph showing the effect on the expression of cementum attachment protein).
- BSP bone sialoprotein
- DMP1 Densin Matrix protein 1
- CAP Densin Matrix protein 1
- hPDL human periodontal ligament cells
- Figure 2 shows the effect of the group 1 and group 2 peptides prepared in Example 1 on the expression of osteoblast differentiation marker genes BSP (Bone sialoprotein) and DMP1 (Dentin Matrix protein 1) in human mesenchymal stem cells (hBMSCs); is the result showing
- FIG. 3 is a result showing the effect of the peptides of Group 1 and Group 2 prepared in Example 1 on the expression of type 3 collagen fiber gene (COL3) and periostin gene, which are periodontal ligament marker genes, in human periodontal ligament cells.
- COL3 type 3 collagen fiber gene
- periostin gene which are periodontal ligament marker genes, in human periodontal ligament cells.
- A represents a positive control (PC);
- B represents a negative control group (NC) that was not treated after periodontal tissue injury;
- C represents a negative control group (NC+Plug) in which only a collagen sponge was implanted after periodontal tissue damage;
- D represents the experimental group treated with the peptide of group 2 (SEQ ID NO: 16);
- AB means alveolar bone; De stands for dentin.
- A-D represent the negative control group (NC) without any treatment;
- E-H represents a negative control group (NC+Plug) in which only a collagen sponge was implanted;
- I-L represents the experimental group treated with the peptide of group 2 (SEQ ID NO: 16).
- AB means alveolar bone;
- De means dentin;
- CE stands for Cretaceous;
- CT means connective tissue;
- NPD means newly formed periodontal ligament-like tissue; NCE stands for newly formed cementum-like tissue.
- C, G, K, O 100 ⁇ m.
- A-B represent the negative control group (NC) without any treatment
- C-D represent a negative control group (NC+Plug) in which only a collagen sponge was implanted
- E-F represents the experimental group treated with the peptide of group 2 (SEQ ID NO: 16).
- AB alveolar bone
- De dentin
- CE Cretaceous
- CT connective tissue
- NPD newly formed periodontal ligament-like tissue
- NCE stands for newly formed cementum-like tissue. Size bars, A, C, E, G 100 ⁇ m. B, D, F, H, 50 ⁇ m.
- KYKQRKKSYK 10 KYKQRKRSYK 11 KYKQRRKSYK 12 KYKQRRRSYK 13 KYKQKKKSYK 14 KYKQKRKSYK 15 KYKQKKRSYK 16 KYKQKRRSYK
- hBMSCs cells were cultured at 37° C. in humidified air containing 5% CO 2 and used in the experiment.
- Human-derived mesenchymal stem cells (hBMSCs) were purchased from Lonza (LONZA, Switzerland) and used.
- hBMSCs were cultured in an alpha-MEM (Invitrogen) medium supplemented with 10% heat-inactivated bovine serum.
- hPDL cells Human periodontal ligament cells
- RNA of human periodontal ligament cells was isolated using TRIzol reagent.
- cDNA was synthesized using 2 ⁇ g of total RNA, 1 ul of reverse transcriptase, and 0.5 ⁇ g of oligo (dT).
- the synthesized cDNA of human periodontal ligament cells was used for real-time polymerase chain reaction using the primers of Table 2 below.
- Real-time polymerase chain reaction was performed in an ABI PRISM 7500 sequence detection system (Applied Biosystems) using SYBR GREEN PCR Master Mix (Takara, Japan).
- Real-time polymerase chain reaction was performed at 94°C, 1 min; 95 °C, 15 sec - 60 °C, 34 sec was carried out under the condition of repeating 40 cycles (cycles). Results were analyzed using a CT (comparative cycle threshold) method.
- the experimental group prepared a collagen sponge (peptide dissolved in physiological saline at a concentration of 1 ⁇ g/ ⁇ l) containing 50 ⁇ g of the peptide prepared in Example 1 (SEQ ID NO: 16 of group 2) at the defect site, and then EP After adding 50 ⁇ l (50 ⁇ g) of the peptide solution to the tube, a collagen sponge was soaked for 5 minutes) and transplanted, and a negative control (NC) and collagen sponge (collagen sponge with 50 saline solution) (prepared by soaking in ⁇ l for 5 minutes) was placed on the inner bone wall of the bone defect, and the transplanted negative control (NC+Plug) was sacrificed 3 months later for histological evaluation.
- NC negative control
- NC+Plug transplanted negative control
- the beagle dogs were sacrificed by administering an excess (90-120 mg/kg) of pentobarbital.
- the tooth part of the beagle dog was extracted, fixed with 10% formalin, and then calcium was removed by adding 5% formic acid, molded, and embedded in paraffin, and then a tissue section with a thickness of 5 ⁇ m was obtained.
- tissue sections were stained with hematoxylin and eosin or collagen stained (Masson's Trichrome Staining) to confirm periodontal ligament regeneration, followed by an optical microscope equipped with a digital camera (LEICA ICC50 camera, Germany) (LEICA DM750, Germany) ) was used for analysis.
- Bone sialoprotein (BSP) and Dentin matrix protein 1 (DMP1) genes are used as markers for differentiation of osteoblasts and cretaceous cells, and are known as important genes for calcification of bone and cementum.
- CAP cementum attachment protein
- the CAP cementum attachment protein gene is expressed in differentiated cretaceous cells and is known as a gene involved in cementum attachment of the periodontal ligament fiber bundle.
- Example 1 is a graph showing the effect of the peptides of Group 1 and Group 2 prepared in Example 1 on the expression of osteoblasts and crypt cell differentiation marker genes BSP, DMP1 and CAP in human periodontal ligament cells (hPDL).
- Table 3 shows the results of confirming the effect of the group 1 and group 2 peptide groups on BSP mRNA expression by real-time PCR, and shows the relative mRNA expression level compared to the control group.
- Table 4 shows the results of confirming the effect of the group 1 and group 2 peptide groups on CAP mRNA expression by real-time PCR, and shows the relative mRNA expression level compared to the control group.
- the results shown in Tables 3 and 4 are the average value and standard deviation (SD) obtained by repeating the experiment three times.
- BSP gene expression SEQ ID NO: average SD group 1 One 2.092 0.152 2 2.361 0.098 3 2.572 0.209 4 2.702 0.301 5 2.67 0.088 6 2.705 0.137 7 2.215 0.072 8 2.021 0.301 group 2 9 2.211 0.413 10 2.811 0.302 11 2.362 0.182 12 2.211 0.287 13 2.525 0.25 14 2.836 0.099 15 2.620 0.401 16 2.606 0.371
- Figure 2 is a result showing the effect of the peptides of Group 1 and Group 2 prepared in Example 1 on the expression of osteoblasts and creatocytes differentiation marker genes in human mesenchymal stem cells.
- Periostin is a protein first discovered in the periodontal ligament and bone periostium. It is expressed in the periodontal ligament and mesenchymal of the tooth in development, and is known to be involved in cell adhesion. According to several recent studies, periostin is an important regulator of periodontal tissue formation, promotes collagen fiber production and migration of fibroblasts and osteoblasts, and plays a pivotal role in the regeneration of periodontal ligaments and alveolar bone after periodontal surgery to treat periodontal disease. known to play a role. Therefore, the effect of the peptide of Example 1 on the expression of periostin, a periodontal ligament differentiation marker gene, and the type 3 collagen fiber gene (COL3) was confirmed.
- FIG. 3 is a result showing the effect of the peptides of Group 1 and Group 2 prepared in Example 1 on the expression of the type 3 collagen fiber gene (COL3) and periostin gene, which are periodontal ligament marker genes, in human periodontal ligament cells.
- COL3 type 3 collagen fiber gene
- periostin gene which are periodontal ligament marker genes, in human periodontal ligament cells.
- Table 5 shows the results of confirming the effect of the peptide groups of Group 1 and Group 2 on periostin mRNA expression by real-time PCR, and shows the relative mRNA expression level compared to the control group.
- the results shown in Table 5 are the average value and standard deviation (SD) obtained by repeating the experiment three times.
- PERIOSTIN gene expression SEQ ID NO: average SD group 1 One 2.092 0.152 2 2.361 0.098 3 2.572 0.209 4 2.702 0.301 5 2.67 0.088 6 2.705 0.137 7 2.329 0.072 8 2.021 0.301 group 2 9 2.211 0.413 10 2.811 0.302 11 2.362 0.182 12 2.211 0.287 13 2.525 0.25 14 2.836 0.099 15 2.620 0.401 16 2.403 0.371
- the experimental group transplanted a collagen sponge containing 50 ⁇ g of the peptide of Example 1 (SEQ ID NO: 16) to the defect site, and only a negative control (Negative Control: NC) and collagen sponge without any treatment after the defect had bone defects.
- NC+Plug transplanted by placing it on the internal bone wall of the minor was sacrificed 3 months later and histological evaluation was performed.
- FIG. 4 is a photograph of tissue stained with hematoxylin/eosin after 3 months of treatment with the peptide of Example 1 (SEQ ID NO: 16) at the periodontal tissue damage site, and the results confirming the effect of the peptide on alveolar bone regeneration.
- the peptide of the present invention has the effect of regenerating alveolar bone and forming new cementum-like tissue and new periodontal ligament-like tissue, and the new periodontal ligament formed by the peptide of the present invention is embedded in the newly formed alveolar bone and cementum. was confirmed. Therefore, it was found that the peptide of the present invention can be used for periodontal tissue regeneration, for preventing or treating periodontal disease, and for preventing or treating deconstructed traumatic teeth.
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Abstract
Description
그룹 | 서열번호 | 아미노산 서열(N-C) |
그룹 1 | 1 | KYKQRKKNYK |
2 | KYKQRKRNYK | |
3 | KYKQRRKNYK | |
4 | KYKQRRRNYK | |
5 | KYKQKKKNYK | |
6 | KYKQKRKNYK | |
7 | KYKQKKRNYK | |
8 | KYKQKRRNYK | |
그룹 2 | 9 | KYKQRKKSYK |
10 | KYKQRKRSYK | |
11 | KYKQRRKSYK | |
12 | KYKQRRRSYK | |
13 | KYKQKKKSYK | |
14 | KYKQKRKSYK | |
15 | KYKQKKRSYK | |
16 | KYKQKRRSYK |
유전자 | 서열번호 | 방향 | 서열(5'-3') |
hBSP | 17 | 정방향 | GAATGGCCTGTGCTTTCTCAA |
18 | 역방향 | TCGGATGAGTCACTACTGCCC | |
hDMP1 | 19 | 정방향 | ACAGGCAAATGAAGACCC |
20 | 역방향 | TTCACTGGCTTGTATGG | |
hCAP | 21 | 정방향 | GACGAGGACGGCACCAACGG |
22 | 역방향 | CGCGGTCATGGCGATGTCGT | |
hPERIOSTIN | 23 | 정방향 | GAGACAAAGTGGCTTCCG |
24 | 역방향 | CTGTCACCGTCACATCCT | |
hCollagen Type III | 25 | 정방향 | CGGATGCTTCCAGACATCTCTATC |
26 | 역방향 | ACAGGAAGCTGTTGAAGGAGGA | |
hGAPDH | 27 | 정방향 | CCATGGAGAAGGCTGGGG |
28 | 역방향 | CAAAGTTCTCATGGATGACC |
BSP 유전자 발현 | |||
서열번호 | 평균 | SD | |
그룹 1 | 1 | 2.092 | 0.152 |
2 | 2.361 | 0.098 | |
3 | 2.572 | 0.209 | |
4 | 2.702 | 0.301 | |
5 | 2.67 | 0.088 | |
6 | 2.705 | 0.137 | |
7 | 2.215 | 0.072 | |
8 | 2.021 | 0.301 | |
그룹 2 | 9 | 2.211 | 0.413 |
10 | 2.811 | 0.302 | |
11 | 2.362 | 0.182 | |
12 | 2.211 | 0.287 | |
13 | 2.525 | 0.25 | |
14 | 2.836 | 0.099 | |
15 | 2.620 | 0.401 | |
16 | 2.606 | 0.371 |
CAP 유전자 발현 | |||
서열번호 | 평균 | SD | |
그룹 1 | 1 | 2.092 | 0.152 |
2 | 2.361 | 0.098 | |
3 | 2.572 | 0.209 | |
4 | 2.702 | 0.301 | |
5 | 2.67 | 0.088 | |
6 | 2.705 | 0.137 | |
7 | 2.451 | 0.072 | |
8 | 2.021 | 0.301 | |
그룹 2 | 9 | 2.211 | 0.413 |
10 | 2.811 | 0.302 | |
11 | 2.362 | 0.182 | |
12 | 2.211 | 0.287 | |
13 | 2.525 | 0.25 | |
14 | 2.836 | 0.099 | |
15 | 2.620 | 0.401 | |
16 | 2.467 | 0.371 |
PERIOSTIN 유전자 발현 | |||
서열번호 | average | SD | |
그룹 1 | 1 | 2.092 | 0.152 |
2 | 2.361 | 0.098 | |
3 | 2.572 | 0.209 | |
4 | 2.702 | 0.301 | |
5 | 2.67 | 0.088 | |
6 | 2.705 | 0.137 | |
7 | 2.329 | 0.072 | |
8 | 2.021 | 0.301 | |
그룹 2 | 9 | 2.211 | 0.413 |
10 | 2.811 | 0.302 | |
11 | 2.362 | 0.182 | |
12 | 2.211 | 0.287 | |
13 | 2.525 | 0.25 | |
14 | 2.836 | 0.099 | |
15 | 2.620 | 0.401 | |
16 | 2.403 | 0.371 |
Claims (14)
- 하기 일반식 1의 아미노산 서열을 포함하는 펩타이드 또는 그의 약학적으로 허용가능한 염을 포함하는, 치주질환 또는 탈구성 외상 치아의 예방 또는 치료용 약학 조성물:K-Y-K-Q-X5-X6-X7-X8-Y-K (일반식 1)상기 일반식 1에서,X5 내지 X7는 각각 독립적으로 아르기닌 (R) 또는 리신 (K)이고;X8은 아스파라긴 (N) 또는 세린 (S)이다.
- 제1항에 있어서,상기 펩타이드는 서열번호 1 내지 16 중 어느 하나의 아미노산 서열로 구성되는 것인 약학 조성물.
- 제1항에 있어서,상기 약학 조성물은 상기 펩타이드가 반복되어 연결된 폴리펩타이드를 포함하는 것인 약학 조성물.
- 제1항에 있어서,상기 치주질환은 치주조직 염증성 질환인 것인 약학 조성물.
- 제1항에 있어서,상기 치주질환은 치은염 또는 치주염인 것인 약학 조성물.
- 제1항에 있어서,치주질환 치료용 약물을 더 포함하는 것인 약학 조성물.
- 하기 일반식 1의 아미노산 서열을 포함하는 펩타이드를 포함하는 치주조직 재생용 조성물:K-Y-K-Q-X5-X6-X7-X8-Y-K (일반식 1)상기 일반식 1에서,X5 내지 X7는 각각 독립적으로 아르기닌 (R) 또는 리신 (K)이고;X8은 아스파라긴 (N) 또는 세린 (S)이다.
- 제7항에 있어서,상기 펩타이드는 서열번호 1 내지 16 중 어느 하나의 아미노산 서열로 구성되는 것인 치주조직 재생용 조성물.
- 제7항에 있어서,치은, 치주인대, 백악질, 및 치조골 중 어느 하나 이상의 재생을 촉진하는 것인 치주조직 재생용 조성물.
- 제7항에 있어서,상기 조성물은 약학 조성물인 것인 치주조직 재생용 조성물.
- 제7항에 있어서,상기 조성물은 의약외품 조성물인 것인 치주조직 재생용 조성물.
- 제7항에 있어서,상기 조성물은 건강기능식품 조성물인 것인 치주조직 재생용 조성물.
- 하기 일반식 1의 아미노산 서열을 포함하는 펩타이드를 포함하는, BSP (Bone sialoprotein), DMP1 (Dentin matrix protein 1), CAP (Cementum attachment protein), COL3 (collagen type III) 및 페리오스틴 (Periostin) 중 어느 하나 이상의 유전자 발현 촉진용 조성물:K-Y-K-Q-X5-X6-X7-X8-Y-K (일반식 1)상기 일반식 1에서,X5 내지 X7는 각각 독립적으로 아르기닌 (R) 또는 리신 (K)이고;X8은 아스파라긴 (N) 또는 세린 (S)이다.
- 제13항에 있어서,상기 펩타이드는 서열번호 1 내지 16 중 어느 하나의 아미노산 서열로 구성되는 것인 조성물.
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AU2021289122A AU2021289122A1 (en) | 2020-06-09 | 2021-06-01 | Pharmaceutical composition for preventing or treating periodontal disease or luxated teeth |
BR112022024634A BR112022024634A2 (pt) | 2020-06-09 | 2021-06-01 | Composição e composição farmacêutica |
MX2022015506A MX2022015506A (es) | 2020-06-09 | 2021-06-01 | Composicion farmaceutica para prevenir o tratar una enfermedad periodontal o un diente dislocado de forma traumatica. |
CA3185884A CA3185884A1 (en) | 2020-06-09 | 2021-06-01 | Pharmaceutical composition for preventing or treating a periodontal disease or dislocated traumatic tooth |
US18/009,236 US20230257419A1 (en) | 2020-06-09 | 2021-06-01 | Pharmaceutical composition for preventing or treating a periodontal disease or dislocated traumatic tooth |
EP21822081.2A EP4226932A4 (en) | 2020-06-09 | 2021-06-01 | PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR TREATMENT OF PERIODONTAL DISEASE OR LUXATED TEETH |
JP2022575190A JP7562167B2 (ja) | 2020-06-09 | 2021-06-01 | 歯周疾患または脱臼性外傷歯の予防もしくは治療用薬学的組成物 |
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CA3185884A1 (en) | 2021-12-16 |
KR102500280B1 (ko) | 2023-02-15 |
BR112022024634A2 (pt) | 2022-12-27 |
EP4226932A4 (en) | 2024-06-19 |
KR20210152677A (ko) | 2021-12-16 |
CN115666614A (zh) | 2023-01-31 |
JP7562167B2 (ja) | 2024-10-07 |
AU2021289122A1 (en) | 2023-01-19 |
MX2022015506A (es) | 2023-01-24 |
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