WO2011025158A2 - 홍합 접착 단백질 또는 이의 변이체에 음이온성 고분자가 포함된 코아세르베이트 - Google Patents
홍합 접착 단백질 또는 이의 변이체에 음이온성 고분자가 포함된 코아세르베이트 Download PDFInfo
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- WO2011025158A2 WO2011025158A2 PCT/KR2010/005178 KR2010005178W WO2011025158A2 WO 2011025158 A2 WO2011025158 A2 WO 2011025158A2 KR 2010005178 W KR2010005178 W KR 2010005178W WO 2011025158 A2 WO2011025158 A2 WO 2011025158A2
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- adhesive
- adhesive protein
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Classifications
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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
- C07K14/43504—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
Definitions
- the present invention relates to a coacervate comprising a mixed adhesive protein and an anionic polymer, and more particularly, to a coacervate prepared by mixing a mussel adhesive protein and an anionic polymer and a novel use thereof.
- Advancing adhesive proteins are known to be powerful natural adhesives compared to currently known chemical synthetic adhesives, and they have the flexibility to bend, while exhibiting a tensile strength of about twice that of epoxy resins. Mussel adhesive proteins also have the ability to adhere to various surfaces of plastics, glass, metals, Teflon and biomaterials, and can adhere to wet surfaces in minutes. This property remains an unfinished task in the field of chemical adhesives. In addition, adhesive proteins are known to not attack human cells or cause immune reactions, and are highly applicable to medical fields such as adhesion of living tissues and adhesion of broken teeth during surgery (J. Dove et al., 1986, Journal of American Dental Association 112, 879).
- the promoted adhesion protein may be used in the field of surface adhesion technology of the cell, which is one of the very important technology for cell culture and tissue engineering, that is, cells and cells for tissue culture It is an important technique for promoting cell proliferation and differentiation because it is an effective adhesion technique to the culture surface (M. Tirrell et al., 2002, Surf. Sci., 500, 61-83).
- the adhesive material naturally extracted from the cultivation is commercially used on the basis of the high cell adhesion ability and the further promotion of cell proliferation and differentiation compared with other coating methods, to obtain 1 gram of natural extract Problems requiring ten thousand mussels have arisen (CV Benedict et al., 1989, Adhesives from renewable resources, No. 385, 452-483).
- coacervate is a type of colloidal material formed when anionic and cationic polyelectrolytes are mixed under specific conditions.
- the absorbance of the solution increases, and the outer solution is round in the form of a round solution.
- the participant electrolyte is separated from the solution, condensed and still liquid, and the physical properties also change, such as decreasing surface tension and increasing viscosity.
- Coacervates can also occur through the mixing of proteins with vice versa (CG de Kruif et al., 2004, Current Opinion in Colloid and Interface Science 9, 340-349).
- the present inventors completed the present invention by confirming that the coacervate formed by mixing the cationic phosphorylated adhesive protein and the anionic polymer has superior adhesive activity than the mussel adhesive protein and can be usefully used to deliver a bioactive material.
- an object of the present invention is to provide a coacervate containing an anionic polymer in a promoted adhesive protein or a variant thereof.
- an object of the present invention is to provide a composition for delivery of a bioactive material comprising the coacetate.
- It is another object of the present invention to provide a biologically active substance carrier comprising (a) the coacervate and a bioactive material, and (b) the bioactive material is enclosed in the coacervate.
- the present invention (a) mixing the anionic polymer and the bioactive material to the mixed adhesive protein or a variant thereof and (b) the coacervate formed by the mixed adhesive protein or a variant thereof and the anionic polymer
- a method for producing a bioactive material carrier comprising the step of forming a coating around the bioactive material.
- the present invention provides a method of using the coacervate of the present invention for the delivery of a bioactive material, comprising the steps of (a) preparing the coacervate of the present invention and (b) encapsulating the bioactive material in the coacervate. It aims to do it.
- the present invention provides a coacervate containing an anionic polymer in the mussel adhesive protein or a variant thereof.
- the present invention also provides an adhesive comprising the coacervate.
- the present invention provides a composition for delivery of a bioactive material comprising the coacetate.
- the present invention also provides a biologically active substance carrier comprising (a) the coacervate and a bioactive material, and (b) the bioactive material is enclosed in the coacervate.
- the present invention (a) mixing the anionic polymer and the bioactive material in the mussel adhesive protein or a variant thereof, and (b) the coacervate formed by the flocked adhesive protein or variant and anionic polymer is a bioactive material It provides a method for producing a bioactive material carrier comprising the step of forming a coating around.
- the present invention provides a method for preparing coacervate comprising the step of mixing an anionic polymer in a fusion conjugate protein or a variant thereof in a weight ratio of 1: 0.01 to 1:10 at pH 2.0 to pH 10.0.
- the invention also provides a use for the coacervate of the invention for adhesion.
- the present invention also provides a use for the coacervate of the present invention for the delivery of a bioactive material.
- the present invention also provides a method of using the coacervate of the present invention for the delivery of a bioactive material, comprising the steps of (a) preparing the coacervate of the present invention and (b) encapsulating the bioactive material in the coacervate. do.
- the present invention also provides the use of the coacervate of the invention for the preparation of a bioactive substance carrier.
- the present invention comprises the steps of (a) preparing the coacervate of the present invention and (b) encapsulating the bioactive material in the coacervate, the method of using the coacervate of the present invention in the preparation of a bioactive material carrier.
- the mussel adhesive protein in the present invention is an adhesive protein derived from culturing, but preferably includes all mussel adhesive proteins described in International Publication No. WO2006 / 107183A1 or WO 2005/092920.
- the promoted adhesive protein is ( a ) a polypeptide consisting of an amino acid sequence of SEQ ID NO: 4, (b) a polypeptide consisting of an amino acid sequence of SEQ ID NO: 5, (c) an amino acid sequence of SEQ ID NO: 6 to 10 times It may be a polypeptide fused to at least two or more selected from the group consisting of a polypeptide connected in succession and (d) the polypeptide of (a), the polypeptide of (b) and the polypeptide of (c).
- the polypeptide is not limited thereto, but may be a polypeptide consisting of the amino acid sequence of SEQ ID NO.
- the polypeptide fused in (d) is Although not limited, it may be a polypeptide consisting of the amino acid sequence of SEQ ID NO: 1 or SEQ ID NO: 3.
- Mutants of the fusion adhesive protein in the present invention preferably include an additional sequence to the carboxyl or amino terminus of the mussel adhesive protein or some amino acids are different under the premise of maintaining the adhesion of the fusion adhesive protein. It may be substituted with an amino acid. More preferably, the polypeptide consisting of 3 to 25 amino acids including RGD is linked to the carboxyl or amino terminus of the fusion conjugate protein or 1 to 100% of the total number of tyrosine residues constituting the fusion conjugate protein. Preferably 5 to 100% may be substituted with 3,4-dihydroxyphenyl—L-alanine (DOPA).
- DOPA 3,4-dihydroxyphenyl—L-alanine
- RGD 3 to 25 amino acids including the RGD include, but are not limited to, RGEKArg Gly Asp, SEQ ID NO: 8), RGDSCArg Gly Asp Ser, SEQ ID NO: 9), RGDCCArg Gly Asp Cys, SEQ ID NO: 10), RGDV (Arg Gly Asp Val, SEQ ID NO: 11), RGDSPASSKP (Arg Gly Asp Ser Pro Ala Ser Ser Lys Pro, SEQ ID NO: 12), GRGDS (Gly Arg Gly Asp Ser, SEQ ID NO: 13), GRGDTP (Gly Arg Gly Asp Thr Pro, SEQ ID NO: 14), GRGDSPCGly Arg Gly Asp Ser Pro, SEQ ID NO: 15), GRGDSPCCGly Arg Gly Asp Ser Pro Cys, SEQ ID NO: 16), and YRGDSCTyr Arg Gly Asp Ser, SEQ ID NO: 17) May be one or more selected from the group consisting of:
- the variant of the mussel adhesive protein linked to the polypeptide consisting of 3 to 25 amino acids including RGD at the carboxyl or amino terminus of the fusion adhesive protein is not limited thereto but is preferably in the amino acid sequence of SEQ ID NO: 2 It may be made of a polypeptide.
- the mussel adhesive protein in the present invention is not limited thereto, but is preferably inserted into a conventional vector designed to express an external gene so that it can be mass-produced by genetic engineering.
- the vector may be appropriately selected or newly produced according to the type and characteristics of the host cell for producing the protein.
- the method of transforming the vector into a host cell and the method of producing a recombinant protein from the transformant can be easily carried out by conventional methods.
- the anionic polymer may be used without limitation as long as it is a polymer material capable of forming a coacetate by combining with the cationic phosphorus mussel adhesive protein.
- pi Isoelectric point of the cationic mussel adhesive protein is used.
- Low polymer more preferably a polymer having a pi value of 2 to 6, even more preferably a polymer having a pi value of 2 to 4.
- the anionic polymer may be, for example, hyaluronic acid, ferredoxin, polystyrene sulfonic acid, gum arabic, gelatin, albumin. ), Carbopol, high or low methoxyl pectin, sodium carboxymethyl guar gum, xanthan gum, whey protein, legumin (faba bean legumin), carboxymethyl cellulose, alginate, carrageenan, sodium hexametaphosphate, Casein sodium (sodium casinate), hemoglobin (hemoglobin), heparin (heparin) and extracellular polysaccharide B40 (exopolysaccharide B40) may be one or more selected from the group consisting of, the average molecular weight of the anionic polymer is not limited to this, but preferably It may have a molecular weight selected from the group consisting of lkDa to 300kDa, more preferably lOkDa to 100kD, more preferably
- the biologically active substance is a substance exhibiting a certain pharmacological activity when administered to a living body or applied to the skin surface, but is not limited thereto, and preferably may be at least one selected from the group consisting of drugs, enzymes, cells, and food additives.
- anticancer agent antibiotic, anti-inflammatory agent, hormone, hormonal antagonist, interleukin, interferon, growth factor, tumor necrosis factor, engecin, lymphocytosis, urokinase, straptokinase, tissue plasminogen activator chaff 1, protease inhibitor, It may be at least one selected from the group consisting of alkylphosphocholine, radioisotope labeling substance, surfactant, cardiovascular drug, gastrointestinal system drug and nervous system drug.
- the anti-inflammatory agent may be, but not limited to, dexamethasone (dexamethasone).
- coacervate refers to a kind of colloid produced by mixing the carboxylation protein or a variant thereof and an anionic polymer.
- Coacervate of the present invention is the mussel adhesive protein or its It is characterized in that the variant contains an anionic polymer.
- the coacervate may be formed by mixing an anionic polymer with a cationic phosphorylated adhesive protein or a variant thereof.
- Coacetate of the present invention is not limited thereto, but may preferably be prepared in an aqueous solution, more preferably methanol, ethanol, propane, acetone, aqueous acetic acid solution, more preferably aqueous acetic acid solution, even more preferably o. It may be prepared in an aqueous 1% to 10% acetic acid solution, even more preferably in an aqueous 0.5% to 8% acetic acid solution.
- the appropriate pH is limited to this, but preferably pH 2.0 to pH 10.0, more preferably may be pH 2.0 to pH 6.0, more preferably pH 2.5 to pH 5.5. If the pH is above or below the coacervate is not formed or the polymer may be modified.
- the amount of addition of a fused adhesive protein or a variant thereof and an anionic polymer to the solvent is not limited thereto, but preferably 0.001 to 100% (w / v) relative to the total volume of the solvent, and more preferably 0.01 to 30. It may be% (w / v).
- Coacetate of the present invention is limited to this, but preferably may be prepared by mixing the mussel adhesive protein or a variant thereof and an anionic polymer in a weight ratio of 1: 0.01 to 1:10, more preferably 1: 0.25 to 1 It may be prepared by mixing in a weight ratio of: 2.5, more preferably in a weight ratio of 1: 0.25 to 1: 2.33. This is because coacervate may not be effectively formed when the mixing ratio is above or below. As described above, coacervates prepared by mixing mussel adhesive proteins or variants and anionic polymers thereof have a much higher cell adhesion activity than poly-L-lysine, which is known to have conventionally promoted adhesive protein or cell adhesion activity. great.
- Drosophila S2 cells are cultured in the coated cell culture plate, washed with PBS (phosphate buffered saline) and MTT (3-(4, 5 -dimethylthiazol-2 -y 1) -2, 5 -diphenyltetrazolium bromide) assay was performed to determine the cell adhesion activity by measuring the number of cells adhered to the plate.
- PBS phosphate buffered saline
- MTT 3-(4, 5 -dimethylthiazol-2 -y 1) -2, 5 -diphenyltetrazolium bromide
- the coacervate of the present invention maintains an effective adhesion force not only for the microadhesion system such as the cell adhesion activity but also for the adhesion of metal materials such as a large capacity adhesion system, for example, aluminum.
- the adhesive strength is maintained about twice as large as that of a single mixed adhesive protein, and in particular, when the crosslinking agent tyrosinase or glutaraldehyde is added When present, or excellent in water can be maintained. (See ⁇ Example 4>)
- coacervate prepared by mixing the exalted adhesive protein or its variants and anionic polymer may be usefully used for adhesion.
- the adhesive of the present invention is characterized in that it contains the coacervate.
- the adhesive may further comprise 0.0001 to 99% by weight of a conventional bioadhesive or contained in a pharmacologically acceptable excipient.
- excipients include, but are not limited to, surfactants, oxidizers, crosslinkers and fillers (see, eg, US Patent Publication Nos. 2003-65060 and 5,015,677).
- the surfactant may be a cationic, anionic, nonionic, amphoteric surfactant, for example sodium dodecylsulfate and sodium dodecylbenzensulfonate.
- the oxidizing agent is catechol oxidase, formaldehyde, bis (sulfosuccinimidyl) subberate (bis (sulfosuccinimidyl) suberate), 3,3'-dithiobis (sulfosuccinimidyl propionate) (3,3'-Dithiobis (sulfosuccinimidyl propionate), 0 2 , Fe 3+ , H 2 0 2 and I 4 4 — (Macromolecules 1998, 31, 4739-4745), said layer Ginseng may be selected from the group consisting of collagen, hyaluronic acid, condroitan sulfate, elastin, laminin, casein, hydroxyapatite, albumin, fibronectin and hybrids.
- the crosslinking agent may be tyrosinase or glutaaldehyde, and the amount of the crosslinking agent is 0.0001 to 1% by weight, more preferably 0.001 to 1% by weight, more preferably 0.001 to 1% by weight based on the mass of the fused adhesive protein or a variant thereof. More preferably 0.01 to 1% by weight, in the case of glutaraldehyde, 0.001 to 5% by volume relative to the total adhesive solution volume, More preferably, it may be from 0 to 5% by volume, even more preferably from 0.1 to 5% by volume.
- the crosslinking agent is not limited thereto, but glutaraldehyde is more preferably used.
- the adhesive of the present invention maintains an effective adhesion force not only for microadhesion systems such as cell adhesion activity but also for adhesion of large-capacity adhesion systems, for example, metal materials such as aluminum. (See ⁇ Example 3> and ⁇ Example 4>)
- the adhesive of the present invention can maintain the adhesive force even in the presence of water, but is not limited thereto, and may be preferably used for underwater bonding.
- the coacervate which is preferably an active ingredient of the adhesive may be coacervate.
- the adhesive of the present invention can be used for the sealing of cracks such as environmentally friendly adhesives for maintenance and repair of aquatic structures, more preferably in swimming pools, baths, boats, etc.
- tissue adhesives eg, skin adhesives to replace sutures and staples when closing lacerations and / or incisions
- hard (cured) tissue adhesives eg as bone or dental adhesives
- the adhesive of the present invention can be used for application to a substrate selected from the group consisting of plastic, glass, metal, and polymer synthetic resin, that is, to be used for adhering or fixing the substrate.
- the method of use is in accordance with the usual method of using an adhesive, and a representative method is an application method.
- the adhesive of the present invention may be applied to a biological material, which may be derived from all copper, plants, and animals derived from the same.
- the adhesive of the present invention may be used according to specific usage, dosage amounts, and formulations according to currently available CeU-Tak products (BD Biosciences, Two oak Park, Bedford, MA, USA).
- the adhesive of the present invention may be a solvent type, water-soluble, solvent-free type, 0.01 to about the substrate
- Examples of applications of the adhesive of the present invention include, but are not limited to: (1) adhesion between substrates in water (water or saline water); (2) orthopedic treatments such as bone, ligament, tendons, meniscus and muscle treatments and artificial material implants; (3) ophthalmic junctions, such as treatment of perforation, fissures, incisions, corneal transplantation, artificial corneal insertion; (4) dental joints such as correction devices, dentures, crown mounts, rocking teeth fixation, broken tooth care and layered fixation; (5) surgical treatments such as vascular bonding, tissue bonding, artificial material implantation, wound closure; (6) graft conjugation of plants, conjugation in plants such as wound healing; And (7) drugs, hormones, biological factors, drugs, physiological or metabolic observation devices, antibiotics and transplantation of cells (US Pat. No. 5,015,677).
- the present invention is to improve the adhesion of the adhesive by treating the adhesive with a substance selected from the group consisting of a surfactant, an oxidizing agent, a crosslinking agent, and a filler, or by adjusting the concentration of coacervate, an active ingredient of the adhesive.
- a substance selected from the group consisting of a surfactant, an oxidizing agent, a crosslinking agent, and a filler or by adjusting the concentration of coacervate, an active ingredient of the adhesive.
- a mussel adhesive protein or SEQ ID NO: 2 comprising a coacervate formed by mixing a mussel adhesive protein or a variant thereof with hyaluronic acid or heparin, more preferably a polypeptide of SEQ ID NO: 1 or 3 Coacervate is formed by mixing hyaluronic acid or heparin with the variant, and further mixing red pepper seed oil as an example of a bioactive material shows that the coacervate forms a film around red pepper seed oil. (See ⁇ Example 2>)
- composition for delivery of a bioactive material of the present invention is characterized in that it comprises a coacervate formed by mixing an anionic polymer with a fused adhesive protein or a variant thereof.
- composition for delivery of the biologically active substance of the present invention is not limited thereto, and may preferably be in the form of a pharmaceutical composition.
- composition for delivery of a bioactive substance of the present invention is, but is not limited to, coacervate based on the total weight of the composition, but preferably includes 0.0001 to 50% by weight of coacervate.
- the composition of the present invention may further contain at least one active ingredient exhibiting the same or similar function in addition to the active ingredient.
- composition for delivery of a biologically active substance of the present invention may be prepared by including one or more pharmaceutically acceptable carriers in addition to the coacetate described above for administration.
- Pharmaceutically acceptable carriers include saline solution, sterile water, Ringer's solution, complete saline solution, textrose solution, maltodextrin solution, Glycerol, ethanol, liposomes and one or more of these components can be mixed and used, and other conventional additives such as antioxidants, complete fluids, bacteriostatic agents can be added as necessary.
- Target organ specific antibodies or other ligands can be used in combination with the carrier so that they can be used.
- it may be preferably formulated according to each disease or component using an appropriate method in the art or using the method disclosed in Remington's Pharmaceutical Science (Recent Edition), Mack Publishing Company, Easton PA. Can be.
- composition for delivery of a bioactive material comprising the coacervate is intravenous, intraperitoneal, intramuscular, subcutaneous, intradermal, nasal, mucosal Can be delivered in vivo by infusion, by inhalation, oral, or the like. Dosage varies according to the subject's weight, age, sex, health condition, diet, time of administration, method of administration, rate of excretion, and severity of disease. The daily dosage is about 0.1 to 100 rag / kg, preferably 0.5 to 10 mg / kg, more preferably divided once to several times a day.
- the bioactive material carrier of the present invention is characterized in that (a) the coacetate and the bioactive material are contained, and (b) the bioactive material is enclosed in the coacervate.
- the coacervate is not limited thereto, but may preferably be coacervate.
- the bioactive substance carrier is not limited thereto, but may preferably be a microcapsule.
- the coacervate may be formed by mixing the mussel adhesive protein or a variant thereof and the anionic polymer in a weight ratio of 1: 0.01 to 1:10 at pH 2.0 to pH 10.0.
- the coacervate forms a coating around a bioactive material, for example, pepper seed oil, and effectively encapsulates the bioactive material inside the coacervate, thereby forming a microcapsule which is a bioactive material carrier. Furthermore, there is a characteristic of maintaining the shape even after a long time formed as described above. (See ⁇ Example 2>)
- the size of the bioactive material carrier formed as described above is not limited thereto, and may be preferably 1 to 50 ⁇ m on a diameter basis.
- the bioactive substance carrier of the present invention can be encapsulated regardless of whether the bioactive substance is hydrophobic or hydrophilic in the coacervate, the bioactive substance can be effectively delivered by encapsulating the hydrophobic or hydrophilic bioactive substance effectively.
- the bioactive material is not limited thereto, but may be encapsulated in a dispersion form or a core form in the coacervate.
- the encapsulation refers to encapsulation of the bioactive material by forming a film around the bioactive material.
- the bioactive substance carrier of the present invention can be used as an active ingredient of a pharmaceutical composition, as described above.
- the method for producing a bioactive material carrier of the present invention is to (a) mixing an anionic polymer and a bioactive material in a mixed adhesive protein or a variant thereof And (b) coacervate formed by the mussel adhesive protein or variants thereof and anionic polymer to form a coating around the bioactive material.
- the mixing means mixing an anionic polymer and a bioactive material at the same time with mussel adhesive protein or a variant thereof, or more preferably, any one of a mussel adhesive protein or a variant thereof and an anionic polymer is dissolved. It refers to a case in which a bioactive substance is mixed in a solution, and then a further mixing of the mussel adhesive protein or a variant thereof and the anionic polymer in order to induce coacervate formation. Specifically, the mixing ratio of the mussel adhesive protein or a variant thereof and the anionic polymer is the same as described above.
- mussel adhesive proteins or variants thereof and anionic polymers may be mixed with 0.0001 to 50% by weight, preferably, but not limited to, a solvent set to a suitable pH described above.
- the bioactive material when mixed in the step (a) is not limited to this, but preferably 0.01 to 20% (v / v) by volume, more preferably 0.1 to 2% by volume in the solvent set to the appropriate pH described above It is preferable to mix with (v / v).
- the type of solvent, proper pH, and suitable temperature for preparing the biologically active substance carrier are the same as those under which coacervate described above can be effectively formed.
- the titration solvent is not limited thereto, but may preferably be prepared in a water-soluble solvent, more preferably, an aqueous solution of phosphate or an acetic acid solution, more preferably an aqueous solution of acetic acid, even more preferably an aqueous solution of 0.1% to 10% acetic acid. Even more preferably from 0.5 to 8% May be acetic acid.
- a proper pH is limited to this but preferably may be pH 2.0 to pH 10.0, more preferably may be pH 2.0 to pH 6.0, more preferably may be pH 2.5 to pH 5.5. If the pH is above or below the coacervate is not formed or the deformation of the polymer occurs because the bioactive material carrier can not be effectively formed.
- the appropriate temperature may be 4 to 100 ° C and preferably 10 to 60 ° C, because the coacetate does not form or deformation of the polymer may occur when above or below the temperature.
- the method for preparing coacervate of the present invention is characterized in that it comprises the step of mixing an anionic polymer in a weighted adhesive protein or a variant thereof in a weight ratio of 1: 0.01 to 1:10 at pH 2.0 to pH 10.0.
- the coacervate of the present invention is not limited thereto, but may preferably be prepared in a water-soluble solvent, more preferably in an aqueous phosphate solution or an acetic acid solution, more preferably an acetic acid solution, even more preferably 0.1% to 10% acetic acid solution. And even more preferably in an aqueous acetic acid solution of 0.5 to 8%.
- an appropriate pH may be pH 2.0 to pH 10.0, more preferably pH 2.0 to pH 6.0, and more preferably pH 2.5 to pH 5.5. If the pH is above or below the coacervate is not formed or the polymer may be deformed.
- the proper temperature can be 4 to 100 ° C And it may be preferably 10 to 60 ° C. If the temperature is above or below the coacetate does not form or deformation of the polymer may occur.
- the amount of addition of a fused adhesive protein or a variant thereof and an anionic polymer to the solvent may be preferably 0.001 to ioo% (w / v) based on the total volume of the solvent, and more preferably ⁇ to
- Coacervate of the present invention is limited to this, but preferably may be prepared by mixing the fused adhesive protein or a variant thereof and an anionic polymer in a weight ratio of 1: 0.01 to 1: 10, more preferably 1: 0.25 to 1 It may be prepared by mixing in a weight ratio of 2.5, more preferably in a weight ratio of 1: 0.25 to 1: 2.33. This is because coacervate may not be effectively formed when the mixing ratio is above or below.
- the present invention provides a use for the coacervate of the present invention to the adhesive as described above.
- the coacervate of the present invention can also be used for use in the manufacture of adhesives.
- the present invention also provides a method of using the coacervate of the present invention for adhering, comprising the steps of (a) preparing the coacervate of the present invention and (b) adhering the coacervate to a substrate. Same as
- the present invention also provides the use of the coacervate of the present invention for the delivery of a bioactive material, as described above.
- the present invention (a) preparing a coacervate of the present invention and (b) encapsulating a bioactive material inside the coacervate It provides a method of using the coacervate of the present invention for the delivery of a bioactive material comprising, as described above.
- the present invention provides a use for the preparation of the coacervate of the present invention in the preparation of a bioactive material carrier, as described above.
- the present invention comprises the steps of (a) preparing the coacervate of the present invention and (b) encapsulating the bioactive material in the coacervate, the method of using the coacervate of the present invention in the preparation of a bioactive material carrier This is as described above.
- coacervate prepared by mixing the mixed adhesive protein and the anionic polymer is excellent in adhesion to various substrates such as cells or metals, and especially in the presence of water or in water, adhesion can be maintained.
- Zero can be effectively used, and furthermore, since it has an activity capable of encapsulation of a bioactive material, it can be effectively used as an active ingredient of a composition for delivery of a bioactive material.
- Figure 1 shows the results of measuring the change in absorbance when the mixture of fp-151, a fusion adhesive protein, and hyaluronic acid (17kDa), an anionic polymer, at various pHs and ratios.
- Figure 2 shows the results of coacervate formation when mixed adhesive protein fp-151 and hyaluronic acid (17kDa) in an acetic acid solution of pH 2.5 at 60:40.
- Figure 3 shows a variety of haptic adhesion protein fp-131 and hyaluronic acid (17kDa) It is the result of measuring the change of absorbance when mixed with pH and ratio.
- Figure 4 shows the results of coacervate formation when mussel adhesive protein fp-131 and hyaluronic acid (17kDa) is mixed at 60:40 in an acetic acid solution of pH 2.5.
- FIG. 5 is a result of measuring the change in absorbance when the mixed adhesive protein fp-151-RGD and hyaluronic acid (17kDa) were mixed at various pHs and ratios.
- Figure 6 shows the results of coacetate formation when the mussel adhesive protein fp-151-RGD and hyaluronic acid (17kDa) were mixed at 60:40 in an acetic acid solution of pH 2.5.
- 11 is a result of confirming coacervate formation when the mixed adhesive protein fp-131 and hyaluronic acid (35kDa) were mixed at 80:20 in an acetic acid solution of pH 3.8.
- FIG. 12 shows coacervate formation when the mixed adhesive protein fp-131 and hyaluronic acid (59kDa) were mixed at 80:20 in an acetic acid solution of pH 3.8. The result is.
- FIG. 13 shows the results of measuring changes in absorbance when the mixed adhesive protein fp-151 and heparin were mixed at various pHs and ratios.
- FIG. 14 shows coacervate formation when mussel adhesive proteins fp-131 and heparin were mixed at 80:20 in acetic acid solution at various pH.
- FIG. 15 shows coacervate formation when the mixed adhesive protein fp-131 and peredoxin were mixed at 70:30 in an acetic acid solution at pH 4.5.
- FIG. 16 shows coacervate formation when the mixed adhesive protein fp-5 and hyaluronic acid (35kDa) were mixed at 80:20 in an acetic acid solution of pH 4.6.
- FIG. 17 shows the results of measuring changes in absorbance when mussel adhesive protein fp-5 and hyaluronic acid (35kDa) were mixed at pH 4.6.
- FIG. 18 shows the results of immobilization of red pepper seed oil in microcapsules using coacervate using fusion adhesive protein fp-151 and hyaluronic acid (35kDa) and coacervate using mussel adhesive protein fp-131 and hyaluronic acid (35kDa). 19 is a result confirming whether the microcapsule formed in FIG. 18 is maintained for 8 days.
- FIG. 20 is a result of immobilization of red pepper seed oil in microcapsules using coacervate using the haptic adhesive protein fp-151 and heparin.
- FIG. 21 shows coacervates using mussel adhesive proteins fp-151 and hyaluronic acid (17kDa), followed by cell adhesion after surface coating.
- Figure 22 shows mussel adhesive protein fp-151-RGD and hyaluronic acid (17kDa) Coacervate is formed by using the resultant, and cell adhesion is performed after coating the surface.
- FIG. 23 shows coacervates using mussel adhesive protein fp-131 and hyaluronic acid (17kDa), and the result of cell adhesion after the surface was coated.
- FIG. 24 shows coacervates formed using the flocked adhesion protein fp-151 and hyaluronic acid (35kDa), and the result is a result of performing cell adhesion after coating the surface.
- FIG. 25 shows coacervates formed using the flocked adhesion protein fp-151 and hyaluronic acid (59kDa), and the result of cell adhesion after coating the surface using the same.
- FIG. 26 shows the results of comparing the adhesive strength of coacervate using the mixed adhesive protein mfp-151 and hyaluronic acid (35kDa), the mixed adhesive protein mfp-131, and hyaluronic acid (35kDa) with the adhesive strength of the single mixed protein.
- FIG. 27 shows the results of comparing the adhesion in wet state of coacervate formed with mussel adhesive protein fp-151 and hyaluronic acid (35kDa or 59kDa) when tyrosinase and glutaraldehyde were added.
- '28 is a result of comparing the adhesion of the mussel adhesive protein fp-131 and hyaluronic acid (59kDa) in the wet state of the coacervate when the tyrosinase and glutaraldehyde is added to the adhesion of the single fusion adhesive protein.
- Figure 29 shows the addition of tyrosinase and glutaraldehyde
- the adhesion of coacervate in the aqueous phase using mussel adhesive protein fp-151 and hyaluronic acid (59kDa) was compared with that of bovine serum albumin.
- the mussel adhesive protein fp-151 is a fp-1 consisting of six decapeptides so that decapeptide (decapeptide) consisting of 10 amino acids repeated about 80 times among mussel adhesive proteins fp-1 present in nature can be expressed in Escherichia coli. Variants were synthesized and produced in Escherichia coli after inserting the Mgfp-5 gene (Genbank No. AAS00463 or AY521220) between two fp-1 variants (DS Hwang et. Al., Biomaterials 28, 3560-3568, 2007). ).
- fp-1 a fp-1 variant (hereinafter referred to as 6xAKPSYPPTYK), in which the peptide consisting of AKPSYPPTYK represented by SEQ ID NO: 4 is repeatedly linked, was prepared 6 times, hereinafter referred to as Mgfp-5
- Fp-151 of SEQ ID NO: 1 was prepared by combining the 6xAKPSYPPTYK at the N-terminus of 6x and 6xAKPSYPPTYK at the C-terminus of Mgfp-5.
- Fp-151-RGD of SEQ ID NO: 2 was prepared by adding the GRGDSP sequence selected from the fibronectin RGD group to the C-terminus of fp-151 of ⁇ Example 1-1>.
- the haptic adhesive protein fp-131 is a gene of the haptic adhesive protein Mgfp-3A (Genbank No. 1) that is naturally present between two fp-1 variants in the same manner as in fp-151 of Example 1-1. BAB16314 or AB049579), and then produced in E. coli.
- fp-1 a fp-1 variant represented by SEQ ID NO: 7 in which a peptide consisting of AKPSYPPTYK described in SEQ ID NO: 6 is repeatedly linked six times (hereinafter, , 6xAKPSYPPTYK), and 6xAKPSYPPTYK at the N-terminus of Mgfp-3 and 6xAKPSYPPTYK at the C-terminus of Mgfp-3 were prepared to prepare fp-131 of SEQ ID NO: 3.
- Proliferation Adhesion Protein fp-5 is produced by Escherichia coli (Genbank No. AAS00463 or AY521220) of a naturally occurring mussel adhesion protein Mgfp-5 (DS Hwang et. Al., Applied and environmental microbiology, 3352-). 3359, 2004).
- Coacervate is a type of colloid produced by mixing anionic and cationic electrolyte polymers in specific proportions under specific pH conditions. Since the absorbance of the solution increases when the coacetate is formed, the absorbance is mainly measured to determine whether coacetate is formed (V. Ducel et. Al. ( Colloids and Surfaces a-Physicochemical and Engineering Aspects, 232, 239-247). , 2004) The following example confirms whether coacetate is formed when the mixed adhesive protein prepared in the reference example and the negative electrolyte polymer are mixed.
- a hyaluronic acid having a molecular weight of 17 kDa (Lifcore Biomedical; Minesota, USA) is dissolved in 5% acetic acid (pH adjustment with sodium hydroxide) at a concentration of 0.05% (w / v), and a mixed adhesive protein fp dissolved in the same solution as described above.
- the ratio of -151 in the solute (complexed protein and hyaluronic acid) fraction was increased by 10% (w / w).
- the hop luminous intensity was measured at 600 nm using a UV-spectrphotometer (Optizen 3220UVbio, Mecasys, Daejeon, Korea) and the results are described in FIG. 1.
- the weight ratio of fp-151 and hyaluronic acid (17kDa) at pH 2.5 is 58:42, at 63:37 and pH 3.5 at pH 3.0.
- coacervate was best formed.
- the weight ratio of fp-131 to hyaluronic acid (17kDa) is 41:59 at pH 2.5, 56:44 at ⁇ 3 ⁇ , and coacervate is best formed at 59:41 at pH 3.5. I could confirm it.
- the weight ratio of (35kDa) was 59:41 at H 2.5, 70:30 at pH 3.0, and coacervate was best formed at 77:27 at H 3.5. Particularly, when the 35kDa hyaluronic acid was used rather than the 17kDa hyaluronic acid, the absorbance increased more than the coacervate.
- the weight ratio of fp-151 and hyaluronic acid is 62:38 at pH 2.5, 71:29 at pH 3.0, and coacervate is best formed at 75:25 at pH 3.5. I could confirm it. Especially when 59kDa hyaluronic acid was used than 17kDa hyaluronic acid, the absorbance was higher. As it increases a lot, it can be seen that it is formed better than coacervate.
- coacervates formed by the mixed adhesive protein and hyaluronic acid have an activity capable of forming microcapsules, and in particular, the microcapsules formed as described above are maintained as they are after 8 days. Able to know.
- the surface-treated 24-well culture plate was coated and confirmed cell adhesion activity through this.
- fp-151 and poly-L-lysine which are known to have cell adhesion activity, were used as positive controls.
- a conventionally known precipitation method using sodium bicarbonate was used for the positive control.
- Drosophila S2 cells used in this experiment were composed of 10% IMS (insect medium supplement, Sigma), 1% antibiotic -antimycotic (Invitrogen), and stromal cells containing 3 ⁇ 1 / ⁇ 1 hygromycin (hyclone) ° 1.
- Cultures (M3 medium, Sigma) were used to incubate in a 27 ° C incubator. The cells in the culture lxlO 5 pieces / ml by dilution and concentration, into the cells per well 5xl0 4 pieces in the cell culture plate coated with the coacervate and incubated in the incubator for one hour.
- the cell adhesion activity of the coacervate formed by the mussel conjugated protein fp-151 and hyaluronic acid (17kDa) is more excellent than the positive controls such as fp-151 and poly-L-lysine.
- the positive controls such as fp-151 and poly-L-lysine.
- the cell adhesion activity of the coacervate formed by the mussel adhesive protein fp-151-RGD and hyaluronic acid (17kDa) was more excellent.
- ⁇ 4-1> Determination of Coercetate Adhesion Produced by Proliferation Adhesion Proteins fp-151 or fp-131 with Hyaluronic Acid (35kDa) (Dry Conditions)
- a tyrosinase enzyme is used to convert tyrosine residues of mussel adhesive proteins fp-151 and fp-131 into waveguides. I reacted. Specifically, 5 g / ml of mushroom-derived tyrosinase enzyme and 2 g / L of protein were dissolved in PBS containing 25 mM ascorbic acid, reacted at 37 ° C. for half a day, then dialyzed twice in distilled water and lyophilized. The mixed conjugated proteins mfp-151 and mfp-131 were obtained.
- Coacervate was prepared by mixing a solution of 151 and hyaluronic acid (35 kDa) at 10 g / L, respectively, in a mass ratio of 8: 2. The coacervate in the liquid colloidal state, which was then centrifuged, was smeared onto an aluminum specimen and attached to a 12 mm X 10 mm width. BSA (bovine serum) at the same concentration for comparison albumin) and a single lyophilized protein mfp-151 or mfp-131 in the same buffer, melted and glued in the same manner, and dried at room temperature for 24 hours to apply pressure to both sides of the bonded aluminum specimen. The tensile strength of the adhesive was measured by quantifying the force with a tensile strength measuring instrument (Instron), and the results are shown in FIG. 26.
- Instron tensile strength measuring instrument
- a tyrosinase is mixed with fp-151 at a mass ratio of 1: 200 to coacervate formed by the fused adhesive protein fp-151 and hyaluronic acid (35kDa), or ⁇
- glutaraldehyde was mixed with 0.5% of the total volume and plated 10 mm ⁇ 10 mm on an aluminum specimen. Attached.
- fp-151 was dissolved in the same buffer and the same amount of tyrosinase or glutaraldehyde was added and attached in the same manner.
- tyrosinase (tyrosinase) was added to coacervate formed by mussel adhesion protein fp-131 and hyaluronic acid (59kDa) prepared in ⁇ Example 1-11>.
- 131 and 1 1000 by mass or glutaraldehyde was mixed with 0.5% of the total volume and plated to 10 mm x 10 mm width on the aluminum specimen to bond them.
- Tyrosinase was mixed with fp-151 at a mass of 1: 1000 to mass of coacervate formed by the prepared mussel adhesive protein fp-151 and hyaluronic acid (59kDa), and glutaraldehyde was 0.5% of the total volume.
- the mixture was smeared onto aluminum specimens 10 mm x 10 mm wide and bonded.
- bovine serum albumin (BSA) was dissolved in the same buffer, and the same amount of tyrosinase and glutaraldehyde were added in the same manner, followed by soaking in PBS for 24 hours. The tensile strength of the adhesive was measured and the results are shown in FIG. 29.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10812172.4A EP2471819B1 (en) | 2009-08-25 | 2010-08-06 | Coacervate having an ionic polymer mixed with the adhesive protein of a mussel or of a species of the variome thereof |
JP2012510761A JP2012526155A (ja) | 2009-08-25 | 2010-08-06 | イガイ接着蛋白質またはその変異体に陰イオン性高分子が含まれたコアセルベート |
US13/376,001 US8673986B2 (en) | 2009-08-25 | 2010-08-06 | Coacervate having an ionic polymer mixed with the adhesive protein of a mussel or of a species of the variome thereof |
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KR10-2009-0078666 | 2009-08-25 | ||
KR20090078666 | 2009-08-25 | ||
KR1020100075716A KR101253260B1 (ko) | 2009-08-25 | 2010-08-05 | 홍합 접착 단백질 또는 이의 변이체에 음이온성 고분자가 혼합된 응집체 |
KR1020100075717A KR101250923B1 (ko) | 2010-08-05 | 2010-08-05 | 홍합 접착 단백질 또는 이의 변이체에 음이온성 고분자로 형성된 코아세르베이트 |
KR10-2010-0075717 | 2010-08-05 | ||
KR10-2010-0075716 | 2010-08-05 |
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CN110054696B (zh) * | 2019-03-04 | 2023-08-18 | 江苏大学 | 一种贻贝仿生多肽复合磁珠及其制备方法与应用 |
CN113244437A (zh) * | 2021-06-15 | 2021-08-13 | 福州大学 | 一种仿生多功能复合海绵敷料的制备方法与应用 |
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US8673986B2 (en) | 2014-03-18 |
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