WO2019182279A1 - 탄닌산을 포함하는 심장 표적화제 - Google Patents
탄닌산을 포함하는 심장 표적화제 Download PDFInfo
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- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
- A61K47/545—Heterocyclic compounds
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- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
- A61K38/1825—Fibroblast growth factor [FGF]
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/66—Microorganisms or materials therefrom
- A61K35/76—Viruses; Subviral particles; Bacteriophages
- A61K35/761—Adenovirus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/26—Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/46—Ingredients of undetermined constitution or reaction products thereof, e.g. skin, bone, milk, cotton fibre, eggshell, oxgall or plant extracts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
- A61K47/549—Sugars, nucleosides, nucleotides or nucleic acids
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- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/69—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
- A61K47/6901—Conjugates being cells, cell fragments, viruses, ghosts, red blood cells or viral vectors
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- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
Definitions
- the present invention relates to a cardiac targeting agent comprising tannic acid as an active ingredient.
- systemic injection in which the drugs administered by systemic injection are passive diffusion, enhanced permeability and retention (EPR) and target organ receptors and Can be targeted to a variety of cancer, liver and lung tissue.
- EPR enhanced permeability and retention
- target organ receptors can be targeted to a variety of cancer, liver and lung tissue.
- direct targeting of the drug to the heart by systemic injection is a very difficult problem due to the constant dynamic contraction-relaxation cycle of the heart with severe volume changes, and because the exchange of blood is fast and massive, the administered therapeutics are prolonged in the heart for a long time. It is not easy to show the efficacy.
- the drug delivery vehicle In order to efficiently deliver protein / peptide therapeutics to the heart by intravenous injection, the drug delivery vehicle must be able to recognize organ (ie tissue) -specific unique properties. In other words, the intravenous vehicle should not be adsorbed to the glycocalyx layers of the vascular endothelium, but immediately to cardiac tissue such as the myocardium (mostly composed of elastin and collagen), a thick, extracellular matrix (ECM) -rich tissue. You should be able to.
- Tannic acid is one of the most abundant polyphenols found in plants such as fruits, vegetables, olives and cacao. Recently, tannic acid is used as a multifunctional coating molecule. It is also known for its high affinity with biomacromolecules, including DNA and proline-rich proteins such as thrombin, gelatin, collagen and mucin. Tannic acid has a moiety rich in phenolic hydroxy groups (five galol groups (three -OH groups linked to an aromatic ring) and five catechol groups (two -OH groups covalently linked to an aromatic ring) with a target protein. It binds to proteins through multiple hydrogen bonding and hydrophobic interactions.
- Another object of the present invention is to provide a cardiac disease prevention or treatment of tanninized heart disease therapeutic agent.
- Still another object of the present invention is to provide a cardiac targeting composition comprising a tanninated drug carrier as an active ingredient.
- Still another object of the present invention is to provide a kit for treating heart disease, including tannic acid and a therapeutic agent for heart disease.
- cardiac targeting agents comprising tannic acid as an active ingredient:
- the present invention also provides a pharmaceutical composition for the prevention or treatment of heart disease, including a tanninized heart disease treatment agent as an active ingredient.
- the present invention also provides a composition for cardiac targeting, comprising a tanninated drug carrier as an active ingredient.
- the present invention provides a method of targeting the heart disease treatment agent to the heart with high efficiency, comprising the step of tanning the heart disease treatment agent.
- the present invention also provides a kit for treating heart disease, comprising tannic acid and a therapeutic agent for heart disease.
- the present invention also provides a method for preventing, ameliorating or treating a heart disease, comprising administering a tanninized heart disease treatment agent to a subject.
- the present invention further provides the use of tanninized heart disease therapeutics for use in the manufacture of a medicament for the prevention, amelioration or treatment of heart disease.
- the present invention provides the ability to bind cardiac myocardium by TANNylation of a therapeutic agent for cardiac disease to be delivered to the heart, thereby enabling cardiac targeting and accumulation of the therapeutic agent and invasive methods used to target conventional therapeutic agents to the heart. Unlike the phosphorus methods, noninvasive intravenous administration alone can efficiently target the therapeutic agent to the heart.
- FIG. 1 shows a schematic of the tanning GFP (TANNylated GFP) manufacturing process.
- Figure 2 shows the results of the turbidity test to determine the critical stoichiometric ratio of [TA] / [GFP] (TA: tannic acid).
- FIG. 4 shows the results of analyzing the morphology and size characteristics of tanned GFP with stoichiometric ratios 72 and 143 of [TA] / [GFP] forming nanoscale complexes
- FIG. 5 shows fluorescence images of tanned GFP with stoichiometric ratios 214 (a), 286 (b) and 714 (c) of [TA] / [GFP] forming microscale complexes.
- FIG. 6 shows the overall organ distribution of tanned GFP at 3 and 6 hours after intravenous injection of TANNylated GFP into mice (heart-targeting index (HTI): heart- Targeting Index; Spleen: Spleen; Kidney: Kidney; Lung: Lung; Heart: Heart; Liver: Liver).
- HAI heart-targeting index
- FIG. 7 shows the overall organ distribution of tanned GFP at 3 and 6 hours after intravenous injection of un-TANNylated GFP into mice (HTI (heart-targeting index) : Heart-targeting index; Spleen: Spleen; Kidney: Kidney; Lung: Lung; Heart: Heart; Liver: Liver).
- HAI heart-targeting index
- FIG. 8 shows cardiac accumulation effects at 1.5, 6, 48 and 120 hours after intravenous injection of mice with TANNylated GFP and un-TANNylated GFP.
- FIG. 9 shows HTI values at 1.5, 6, 48 and 120 hours after intravenous injection of mice with TANNylated GFP and un-TANNylated GFP.
- FIG. 10 shows the results of distribution of tanned GFP or non-tanned GFP after intravenous injection of mice with TANNylated GFP and un-TANNylated GFP.
- FIG. 11 shows the results of pharmacokinetics in the bloodstream after intravenous injection of mice with TANNylated GFP and untanned GFP (un-TANNylated GFP) (blue arrows: 6 hours post injection) The time of cardiac accumulation).
- ECM extracellular matrix
- Glycocalyx Saccharide layer
- Figure 13 shows the results of SPR analysis of tannic acid bound to the gold surface coated with collagen (collagen) or elastin (elastin).
- TANNylated GFP non-tanned GFP
- TANNylated GFP tanned GFP
- Figure 16 depicts the tanning protein binding to extracellular matrix (EM) constituents, not the glycocalyx of the heart.
- EM extracellular matrix
- Figure 17 (a) is a tanned SP (Substance P), (b) is a schematic of the tanned adeno-associated virus (AAV, Adeno-associated virus).
- Figure 19 shows the in vivo cardiac accumulation of the SP and tanninized m-Cherry-SP (TANNylated SP) complex, (b) the SP and tanned m-Cherry-SP complex (TANNylated SP) 6 h after intravenous injection into mice.
- FIG. 20 shows the results of turbidity experiments to determine the maximum critical concentration of tannic acid in producing tannin AAV9 (red arrows indicate turbidity change with addition of tannic acid (0.75 mM)).
- FIG. 21 shows in vivo cardiac accumulation of AAV and tanned AAV (TANNylated AAV) complexes, and (b) after intravenous injection of AAV and tanned AAV complexes (TANNylated AAV) into mice.
- the HTI value at 6 hours is shown.
- Figure 22 shows the image of GFP expression in infarcted heart tissue after intravenous injection of mice with no treat, AAV, tanninized AAV (TANNylated AAV) complex, (b) ( The result of quantifying GFP expression of a) is shown.
- FIG. 23 shows the experimental setup of the Langendorff system associated with the heart (left) to confirm the effect of tanninized GFP on rat monophasic action potentials (MAP) (left). Is the inserted stimulating electrodes, the lower right image shows the MAP probe.
- MAPs monoacidic action potentials
- Figure 25 (a): triangulation of the action potential form; (b): Short term variability (STV).
- FIG. 26 depicts cardiac hemodynamic experiments of rats using the pressure-volume conductance catheter technique.
- FIG. 27 shows the results of cardiac hemodynamic experiments at 12 and 24 hours after intravenous injection of mice with GFP (Control, 6 ⁇ g / mL) or tanninized GFP (TANNylated GFP, 500 ⁇ l / kg).
- A heart rates;
- B cardiac output;
- c stroke volume;
- e left ventricular pressure (LV pressure);
- f ventricular contractility index (max / min dP / dt);
- Tau value Tau value, relaxation time constant calculated according to Weiss method (regression of logP).
- Figure 28 shows 28 days after intravenous injection of bFGF alone (5 ⁇ g or 25 ⁇ g) or tanninized bFGF (TANNylated bFGF, 5 ⁇ g or 25 ⁇ g) into a myocardial ischemia reperfusion (MIR) mouse model
- bFGF alone 5 ⁇ g or 25 ⁇ g
- tanninized bFGF TANNylated bFGF, 5 ⁇ g or 25 ⁇ g
- MIR myocardial ischemia reperfusion
- FIG. 29 is 28 days after intravenous injection of bFGF alone (5 ⁇ g or 25 ⁇ g) or tanninized bFGF (TANNylated bFGF, 5 ⁇ g or 25 ⁇ g) into a myocardial ischemia reperfusion (MIR) mouse model
- bFGF alone 5 ⁇ g or 25 ⁇ g
- tanninized bFGF TANNylated bFGF, 5 ⁇ g or 25 ⁇ g
- MIR myocardial ischemia reperfusion
- the present invention provides a cardiac targeting agent comprising tannic acid represented by Formula 1 as an active ingredient:
- Targeting in the present invention means that any substance moves in bulk and / or rapidly to a target, such as a particular cell or a specific tissue or a particular organ in vivo.
- targeting agent in the present invention is meant a substance capable of targeting any other substance to said specific target via direct or indirect binding.
- the targeting agent may be one that binds directly to a cell of a target tissue or target organ or binds to an extracellular matrix, or may be absorbed into a cell, but is not limited thereto.
- the targeting agent of the present invention may be composed of the tannic acid alone and may be used in the preparation or preparation of an ingredient which promotes or stabilizes binding to other constituents other than tannins, such as other targeting agents, carriers or drugs. It may include a component for protecting tannic acid during storage of, a tannic acid, a carrier or a spacer for spatially dropping the drug.
- the targeting agent of the present invention may be combined with any carrier or drug to target the carrier or drug to the heart.
- the substance or object to which the targeting agent of the present invention can target is not particularly limited, but is preferably a size that can physically move the body of the organism from the site of administration to the heart or a region near the heart. Therefore, the targeting agent of the present invention is not only substances such as atoms, molecules, compounds, proteins, nucleic acids, protein / nucleic acid complexes, but also objects such as drug release systems and micromachines composed of any one or more elements of vectors, virus particles, and cells. Can also pass.
- the substance or object may be, for example, to label specific cells in heart tissue, and may preferably be a therapeutic agent for heart disease, but is not limited thereto.
- the substance or object is TANNylated.
- tannin is a process in which tannic acid is attached to a substance capable of forming hydrogen bonds or hydrophobic interactions with tannic acid, and tannic acid is a phenolic hydroxyl group-rich moiety (gallol group and catechol). Group), it is possible to form multiple hydrogen bonds and hydrophobic interactions with the material to be tanned. Tanninized substances can be targeted and accumulated in the heart and then released slowly as the ester bonds of tannic acid are progressively degraded.
- the tannic acid is a flavonoid-based compound represented by Chemical Formula 1, exhibits negligible adsorption to the glycocalyx layers of the cardiovascular endothelial layer, but exhibits strong adsorption to the myocardium rich in extracellular matrix (ECM). , Myocardium of the heart, more specifically the heart and can be accumulated in the myocardium.
- ECM extracellular matrix
- the present invention provides a pharmaceutical composition for the prevention or treatment of heart disease, comprising a tanninized heart disease treatment agent as an active ingredient.
- the tanninized heart disease therapeutic agent may be targeted and accumulated in the heart, more preferably myocardium.
- the cardiac disease therapeutic agent may be any cardiac disease drug known in the art as long as it is a therapeutic agent that can be tanned, and the cardiac disease may include all cardiac diseases known in the art and specifically a tanned heart Depending on the therapeutic effect of the disease treatment agent, the desired heart disease may vary.
- the heart disease treatment agent is bFGF
- the heart disease may be an ischemic heart disease
- the ischemic heart disease may be any one or more selected from the group consisting of myocardial infarction, heart failure and angina pectoris.
- the heart disease treatment agent may be any one or more selected from the group consisting of a compound, a protein, a nucleic acid, and a protein / nucleic acid complex, and preferably a basic fibroblast growth factor (bFGF), a substance P (SP), and an epidermal growth factor (EGF). , VFGF-B (vascular endothelial growth factor B) and the like, but is not limited.
- bFGF basic fibroblast growth factor
- SP substance P
- EGF epidermal growth factor
- VFGF-B vascular endothelial growth factor B
- the bFGF may be composed of the amino acid sequence of SEQ ID NO: 1.
- the SP may be composed of the amino acid sequence of SEQ ID NO: 2.
- the heart disease treatment agent may be a virus as a carrier.
- the virus can be tanned because proteins and tannic acid present on the surface of the virus form hydrogen bonds and hydrophobic interactions.
- the heart disease therapeutic agent using the virus as a carrier may be a therapeutic gene (polynucleotide sequence) having a therapeutic or prophylactic effect upon expression in the heart.
- the virus may be any one selected from the group consisting of retroviruses, adenoviruses, adeno-associated viruses, and lentiviruses.
- adeno-associated virus AAV
- AAV9 adeno-associated virus serotype 9
- composition may be oral or parenteral, and parenteral administration includes intracranial injection, intravenous injection, subcutaneous injection, intramuscular injection, intraperitoneal injection, transdermal administration, and the like, but may preferably be administered intravenously.
- the bFGF may be administered at 5 to 200 ⁇ g / kg, preferably at 15 to 120 ⁇ g / kg.
- the present invention also provides a composition for cardiac targeting, comprising a tanninated drug carrier as an active ingredient.
- “tanning” is a process in which tannic acid is attached to a substance capable of forming hydrogen bonds or hydrophobic interactions with tannic acid, and includes a drug for tanning or targeting the drug for targeting to the heart.
- the carrier can be tanned.
- the drug carrier can be used without limitation as long as it has a functional group capable of forming hydrogen bonds and hydrophobic interactions with tannic acid.
- the drug carrier may be any one selected from the group consisting of vectors, viruses and cells, but is not limited thereto.
- the virus may be any one selected from the group consisting of retroviruses, adenoviruses, adeno-associated viruses, and lentiviruses.
- composition may be oral or parenteral, and parenteral administration includes intracranial injection, intravenous injection, subcutaneous injection, intramuscular injection, intraperitoneal injection, transdermal administration, and the like, but may preferably be administered intravenously.
- the present invention provides a method of targeting the heart disease treatment agent to the heart with high efficiency, comprising the step of tanning the heart disease treatment agent.
- the tanning may be achieved by mixing a solution containing tannic acid and a solution containing a cardiac disease treatment agent, and when mixed, the tannin acid and cardiac disease treatment agent may be prepared in consideration of the size, form, and stability of the tanninized heart disease treatment agent. Mixing may be at appropriate stoichiometric ratios.
- the present invention also provides a kit for treating heart disease, comprising tannic acid and a therapeutic agent for heart disease.
- the therapeutic agent for heart disease can be tanned.
- the tannic acid and heart disease treatment agent may be provided in a dissolved state or the solution may be additionally included in the kit, but the tannin acid and heart disease treatment agent may be mixed with tannin acid and the heart disease treatment agent so long as it can tannin the heart disease treatment agent.
- the form of is not limited.
- the kit for treating heart disease may additionally include a carrier, a diluent, an excipient, or a combination of two or more thereof, which is commonly used in pharmaceutical compositions, and the cardiac disease treatment agent may include one or more kinds.
- the present inventors produced a tannin GFP (TANNylated GFP) by mixing tannin acid (TA) and GFP in various stoichiometric ratios, and fall within a reasonable range for in vivo circulation [ Tanninized GFP with a stoichiometric ratio of TA] / [GFP] of 143 was selected (see FIGS. 1-5).
- the present inventors evaluated the targeting ability by organ by intravenously injecting tanninized GFP into mice, and confirmed that tanninated GFP is specifically targeted to the heart compared to the spleen, kidney, lung, and liver (FIG. 6). And FIG. 7).
- the present inventors evaluated the cardiac targeting ability by time by intravenously injecting tanninated GFP into mice, and confirmed that the tanned GFP was targeted to the heart 6 hours after the intravenous injection and maintained the cardiac targeting ability by 120 hours. It was confirmed that tanned GFP accumulated in the heart (see FIGS. 8 and 9).
- the inventors of the present invention examined the spatial distribution in cardiac tissue by intravenously injecting tanninized GFP into mice, and confirmed that the tanninized GFP was mostly accumulated in the myocardium (see FIG. 10).
- the present inventors measured blood circulation time by intravenously injecting tanninized GFP into mice, and compared with un-TANNylated GFP (Un-TANNylated GFP), the blood circulation time was longer and 120 hours after intravenous injection. It was confirmed to remain in the blood until (see FIG. 11).
- TA heparin sulfate
- HA hyaluronan
- the present inventors found that intravenous injection of mouse AV and tanning of AAV9, which can be used as a delivery agent for peptide drug SP (substance P) or gene therapy, which is known to be effective in coronary vasodilation, results in the same as tanning GFP. Since it is targeted and accumulated in the heart, it was confirmed that the heart can be targeted by tanning the substance to be delivered to the heart (see FIGS. 17 to 22).
- tanninized GFP is not toxic through in vitro monoacidic action potential and in vivo cardiac function experiments (see FIGS. 23-27).
- the present inventors intravenously administered to myocardial ischemia reperfusion (MIR) animal model by tanning the fibroblast growth factor (bFGF), a therapeutic agent for cardiac disease, In comparison, it was confirmed that the cardiac infarct size was reduced and the cardiac function was improved to a similar extent as the healthy heart (sham group) (see FIGS. 28 to 29).
- MIR myocardial ischemia reperfusion
- the present invention confers the ability to bind cardiac myocardium by TANNylation of a therapeutic agent for cardiac disease to be delivered to the heart, enabling cardiac targeting and accumulation of the therapeutic agent, and used to target conventional therapeutic agents to the heart.
- noninvasive intravenous administration alone can target the therapeutic agent to the heart with high efficiency.
- compositions of the present invention may also include carriers, diluents, excipients or combinations of two or more of those commonly used in biological agents.
- Pharmaceutically acceptable carriers are not particularly limited so long as the active ingredient is suitable for in vivo delivery, for example, Merck Index, 13th ed., Merck & Co. Inc.
- Compounds, saline solution, sterile water, Ringer's solution, buffered saline solution, dextrose solution, maltodextrin solution, glycerol, ethanol and one or more of these components can be mixed and used as needed. Conventional additives can be added.
- diluents, dispersants, surfactants, binders and lubricants may be additionally added to formulate into main dosage forms, pills, capsules, granules or tablets such as aqueous solutions, suspensions, emulsions and the like.
- it may be preferably formulated according to each disease or component by a suitable method in the art or using a method disclosed in Remington's Pharmaceutical Science (Mack Publishing Company, Easton PA, 18th, 1990).
- composition of the present invention may further contain one or more active ingredients exhibiting the same or similar functions.
- compositions of the present invention may be prepared in unit dosage form by formulating with a pharmaceutically acceptable carrier and / or excipient, according to methods which can be easily carried out by those skilled in the art. It can be prepared by incorporation into a multi-dose container.
- the formulation may be in the form of a solution, suspension or emulsion in an oil or an aqueous medium, or may be in the form of extracts, powders, granules, tablets or capsules, and may further include a dispersant or stabilizer.
- the present invention also provides a method for preventing, ameliorating or treating a heart disease, comprising administering a tanninized heart disease treatment agent to a subject.
- Tanninized heart disease therapeutic agent may have the characteristics as described above.
- the subject may be a mammal, specifically a human.
- composition of the present invention can be oral or parenteral administration, parenteral administration includes intracranial injection, intravenous injection, subcutaneous injection, intramuscular injection, intraperitoneal injection, transdermal administration and the like.
- Suitable dosages of the compositions of the invention include formulation methods, mode of administration, age, weight, sex, morbidity of the patient, food, time of administration, route of administration, absorption of the active ingredient in the body, inactivation rate, drugs used in combination, excretion Various prescriptions can be made by factors such as rate and response sensitivity.
- the dosage of the therapeutic agent for heart disease of the present invention is 0.0001 ng / kg (body weight) to 200 mg / kg (body weight) per day.
- the present invention further provides the use of tanninized heart disease therapeutics for use in the manufacture of a medicament for the prevention, amelioration or treatment of heart disease.
- Tanninized heart disease therapeutic agent according to the present invention may have the characteristics as described above.
- the gene encoding GFP was cloned into a modified pET28a_Tev vector, and after transformation to E. coli BL21RILP strain, the strain was incubated for at least 12 hours at 37 ° C. until the OD 600 value reached 0.4-0.8.
- the strain culture was purified to obtain GFP in which histidine-tag (his-tag) was fused to the N-terminus.
- GFP was purified with Ni-NTA resin and his-tag was removed with TEV protease.
- GFP was further purified by performing size exclusion chromatography equilibrated with buffer (100 mM NaCl and 50 mM TrisHCl).
- tanned GFP was centrifuged at least five times using Amicon filters (3 kDa, 0.5 mL capacity, Millipore, Billerica, Mass., USA), Free TA was completely removed.
- the absorbance (A 600 ) increases due to the turbidity (light scattering) of the solution.
- the ratio of critical stoichiometric [TA] / [GFP] was 143 (black dotted line in Fig. 2), and no clear aggregation was observed below that and the A 600 value was almost zero. Confirmed.
- the turbidity of the GFP / TA solution gradually increased at rates above 143 and increased to 1.4 ⁇ 0.1 at the 1430 ratio.
- TANNylated nanocomplexes obtained from solutions with a stoichiometric ratio of [TA] / [GFP] 72 or 143, atomic force microscopy (AFM) (Nanoman, Veeco , USA) and dynamic light scattering (DLS).
- AFM atomic force microscopy
- DLS dynamic light scattering
- a solution (50 ⁇ l) with a stoichiometric ratio of [TA] / [GFP] up to 143 was loaded onto the mica surface and washed three times with deionized water. After air drying for 2 hours, the size of the tanned nanocomposites was measured.
- the DLS hydrodynamic diameter of the tanned GFP prepared at the stoichiometric ratio 72 of [TA] / [GFP] was 14.8 ⁇ 2.9 nm ((A) of FIG. 4), and measured by AFM.
- the average dry height of the dried composite was about 10 nm (FIG. 4B).
- the hydrodynamic diameter increases to 52.7 ⁇ 21.7 nm (Fig. 4 (C)), and the average height value of the dried complex is ⁇ 35 nm (Fig. 4). (D)).
- mice are considered toxic if they lose more than 20% of their weight.
- the mice injected with tannin GFP had a weight loss of about 6% over 2 days, but this was judged to be negligible and the following experiment was performed.
- TANNylated GFP or Un-TANNylated GFP with a stoichiometric ratio of [TA] / [GFP] of 143 to mice BALBc, 8 weeks old, male, 24-26 g.
- Injection into the tail vein vein 240 ⁇ g / kg.
- Injected mice were sacrificed at defined time intervals (3 and 6 hours) and GFP fluorescence intensities of liver, heart, spleen, kidney and lung were measured with an IVIS imaging system (IVIS 200, Xenogen, USA).
- IVIS 200, Xenogen, USA IVIS imaging system
- IHC immunohistochemistry
- Frozen tissue blocks were cut to a thickness of 10 ⁇ m using frozen microtome slicers (cryo-microtome, Leica CM3050s, GMI Inc., USA). The cleaved sections were blocked with 1% bovine serum albumin (BSA), followed by anti-GFP antibody (ab6556; 1: 500 dilution factor, Abcam, Cambridge, UK, 12 hours, 4 ° C) and secondary antibody as the primary antibody. Goat-anti-rabbit IgG flamma 488 (RSA1241, 1: 200 dilution multiple, BioActs, South Korea, 1 hour, 25 ° C) was treated and observed using a fluorescence microscope (Eclipse 80i, Nikon, Japan).
- BSA bovine serum albumin
- anti-GFP antibody ab6556; 1: 500 dilution factor, Abcam, Cambridge, UK, 12 hours, 4 ° C
- Goat-anti-rabbit IgG flamma 488 (RSA1241, 1: 200 dilution multiple
- HTI heart targeting index
- mice were injected intravenously (240 ⁇ g / kg) with GFP or tanned GFP in the same manner as in Experimental Example 2-1, and at predetermined time intervals (1.5, 5). , 48 and 120 hours), the heart's GFP fluorescence intensity was measured with an IVIS imaging system (IVIS 200, Xenogen, USA) and HTI values were calculated.
- IVIS imaging system IVIS 200, Xenogen, USA
- the HTI value over time was 0.124 ⁇ 0.015 at 6 hours and 0.062 ⁇ 0.020 (Figure 9, red bar) at 120 hours, un-TANNylated GFP ( Figure 9, black) There was a significant difference from the case of injection).
- the fluorescence signal of the heart decreased to 1.2 ⁇ 10 8 ⁇ 1.7 ⁇ 10 7 at 144 hours (7 days).
- a time interval after injection of tanninized GFP with a stoichiometric ratio of [TA] / [GFP] of 143 into the tail vein of the mouse (240 ⁇ g / kg) was collected from the tail of each mouse according to 5, 48 and 120 hours).
- the collected blood was mixed with 0.2 wt% heparin solution (10 ⁇ l) to prevent coagulation, and then centrifuged at 13,500 rpm for 5 minutes to separate plasma and stored at -20 ° C.
- the amount of GFP in plasma was measured using a GFP standard curve from 47.5 to 380 pg / mL using the GFP ELISA kit (Cell Biolabs, USA).
- Blood circulation time of TANNylated GFP (FIG. 11, red) was found to be longer than blood circulation time of un-TANNylated GFP (FIG. 11, black).
- the blood flow GFP concentration was 8.3 ⁇ 0.8 ng / mL for tanned GFP but 0.8 ⁇ 4.1 ng / mL for non-tanned GFP.
- Untanned GFP was mostly released or filtered by the liver 30 minutes after injection.
- tanned GFP remained in blood for 120 hours after injection, consistent with the time course of accumulation of tanned GFP in the heart shown in FIG. 8.
- blood GFP levels remained at detectable levels of about 0.3 ng / mL, but no non-tanning GFP could be detected.
- glycolytic layer To determine the interaction between TA and extracellular matrix constituents, the glycolytic layer (glycocalyx) was measured using turbidity measurement, surface plasmon resonance (SPR) and isothermal titration calorimetry (ITC). The ability of TA to bind to major components, heparin sulfate (HS) and hyaluronan (HA), and to bind elastin and type I collagen, the major components of extracellular matrix, were analyzed. The experimental methods have been widely used to prove the interaction between the biomolecule and the biological material.
- SPR surface plasmon resonance
- ITC isothermal titration calorimetry
- Elastin, type I collagen, HS and HA solutions were prepared by diluting in PBS at a concentration of 0.24 mg / mL for turbidity analysis. To each solution was added TA (17 mg / mL) in a volume ratio of 1: 1 and the samples were mixed vigorously. Turbidity was measured at 600 nm with a UV / vis spectrometer (HP8453, Hewlett-Packard, USA).
- elastin and type I collagen (10 ⁇ g / mL), TA solution (2 mg / mL) were prepared by diluting in PBS (pH 7.3). All solutions were used by filtration with 0.2- ⁇ m microfilter (Millipore, USA). Each protein (elastin or type I collagen) was adsorbed on the Biacore gold (Au) sensor chip for 600 seconds and the chip was washed for 10 minutes to remove the weakly adsorbed sample. SPR analysis was performed at a flow rate of 10 ⁇ l / min using PBS as the flow buffer.
- the altered response value (RU) of SPR indicates that TA has affinity for both elastin and type I collagen protein (FIG. 13).
- the ⁇ RU value was 793
- the ⁇ RU value for the elastin layer was 1319 (FIG. 13, red)
- the TA interacts strongly with elastin.
- Elastin 210 ⁇ g / mL
- TA solution 2.5 mg / mL
- Elastin was placed in the sample cell and the TA solution was placed in a syringe, then the TA solution (250 ⁇ l) was titrated with 50 sequential injections of 5 ⁇ l into the elastin in the sample cell (with 350 rpm agitation). The time interval was set to 180 seconds for subsequent injection and raw data was processed using Microcal Origin (Microcal Software, Northampton, USA).
- thermodynamic change As a result of the ITC experiment, TA binding to elastin resulted in thermodynamic change (FIG. 14). Overall negative values shown in the raw data indicate exothermic interactions for binding between TA and elastin (FIG. 14A).
- TA-elastin binding differs from the thermodynamic plots of other common antigen-antibody interactions, where the titration generally represents an S-shaped curve. The binding between TA and elastin is not specific but exhibits two-phase binding.
- the [TA] / [elastin] ratio is up to ⁇ 20 (indicated by black arrows in FIG. 14B), TA binds elastin inter-molecularly.
- the inter-TA / elastin complexes bind to each other.
- TA-bound elastin can serve as nucleating seeds that promote interaction with other TA-bound elastins, which is identified as a thermodynamic transition point starting from the black arrow.
- the binding affinity is lower than the binding affinity of TA and elastin, so the slope is not steep compared to the first stage (FIG. 14B).
- Tanninized GFP was added directly to an ECM-like solution, elastin / collagen or a glycocal-like solution, HS / HA mixture, to test for turbidity changes.
- FIG. 16 is a diagram showing that the tanninized protein accumulates in the extracellular matrix of the heart rather than the saccharide layer due to the high affinity of TA for elastin / collagen.
- SP substance P, SEQ ID NO: 2
- SP administration is expected to induce the migration of endogenous stem cells to the damaged myocardium, promote tissue regeneration and angiogenesis, and have a therapeutic and regenerative effect on myocardial infarction.
- tanned GFP we wanted to determine if tanned SP was targeted to the heart.
- emi 610 nm) was prepared and mixed with TA solution so that the stoichiometric ratio of [TA] / [mCherry-SP] was 2 to prepare a tanned mCherry-SP.
- Tanninized SP was found to form a complex of ⁇ 1 ⁇ m in the ratio 20 or 10 of [SP] / [TA] (FIG. 18).
- mCherry-SP (10 ⁇ g, 0.0031 mM, 200 ⁇ l) or non-tanninized in mouse tail vein (BALBc, 8 weeks old, 24-26 g) or Example Tanninized mCherry-SP (200 ⁇ l) prepared in 2 was injected and mice were sacrificed 6 hours after injection. MCherry fluorescence intensities of liver and heart were measured using an IVIS imaging system (IVIS 200, Xenogen, USA).
- AAV9 is an FDA-approved viral vector currently in use in clinical trials and was chosen because it was thought that tanning of the AAV9 coat protein could improve accumulation in the heart.
- AAV serum type 9; AAV9
- CMV cytomegalovirus
- Plasmids containing polynucleotides of enclosed CMV GFP were complexed with calcium phosphate and transfected with AAV293 cells (Agilent Technologies, Palo Alto, Calif., USA). Two days after transfection, the AAV9 vector into which the GFP expression sequence was introduced was harvested and density gradient ultracentrifugation (360,000 g; Optima L) for 2 hours at 18 ° C.
- Genomic titers (genomic titers, 3.6 ⁇ 10 9 vg / ⁇ l) of AAV9-GFP vectors were determined using quantitative PCR (QPCR; Mini Opticon, Bio-rad. Hercules, SYBR Green master mix (Thermo Fisher Scientific, Waltham, Mass.)). CA, USA).
- tanned AAV9 To prepare tanned AAV9, tanned AAV was prepared in the same manner as in the preparation of tanned GFP in Example 1. Tannin acid (TA) solution (10 mM) and the AAV9 solution prepared in Example 3-1 were prepared, and the concentration of the TA solution was diluted to 0.1, 0.25, 0.5, 0.75 and 1 mM. Tanned AAV9 was prepared by vigorously mixing the diluted TA and AAV9 solutions at a volume ratio of 1: 1.
- Tannin acid (TA) solution (10 mM)
- AAV9 solution prepared in Example 3-1 were prepared, and the concentration of the TA solution was diluted to 0.1, 0.25, 0.5, 0.75 and 1 mM.
- Tanned AAV9 was prepared by vigorously mixing the diluted TA and AAV9 solutions at a volume ratio of 1: 1.
- the absorbance (A 600 ) of the tanned AAV9 solution prepared in Example ⁇ 3-2> was measured using UV / vis spectrometry (HP8453, Hewlett Packard).
- non-tannin Chemistry AAV9 (1 x 10 11 vg, 60 ⁇ l) or a tannin Chemistry AAV9 (1 x 10 11 vg, 60 ⁇ l ) was injected into the mouse tail vein (BALBc, 8 weeks old, male, 24-26 g), and at the 21st day, the mice were sacrificed to determine the intensity of GFP expression in the heart, spleen, lung, kidney and liver using the IVIS imaging system (IVIS 200, Xenogen). , USA).
- IHC immunohistochemistry
- the heart was fixed in 4% formaldehyde for 48 hours at room temperature, followed by embedding the tissue with OCT (optimal cutting temperature) compounds on dry ice.
- OCT optical cutting temperature
- Frozen tissue blocks were cut into 10 ⁇ m thick sections using cryo-microtome (Leica CM3050s, GMI Inc., USA), and then treated with 0.2% Triton to increase antibody permeation efficiency.
- anti-GFP antibody (ab6556; 1: 500 dilution multiple, Abcam, Cambridge, UK, 12 hours, 4 ° C) as the primary antibody and goat-antigen with the secondary antibody
- Rabbit IgG flamma 488 (RSA1241, 1: 200 dilution multiple, BioActs, South Korea, 1 hour, 25 ° C) was treated and observed using a fluorescence microscope (Eclipse 80i, Nikon, Japan).
- AAV9 delivered to the heart induced GFP expression, indicating that genes cloned into the AAV9 vector were successfully expressed through cardiac transcription and translation in cardiac cells (FIG. 21).
- the HTI value ( ⁇ 0.15) for the tanned AAV9 complex was 2.5 times higher than the HTI value ( ⁇ 0.06) of the untanned AAV9.
- Cardiac targeting of tanned AAV was investigated in a myocardial ischemia reperfusion (MIR) animal model.
- MIR myocardial ischemia reperfusion
- rats SD rats, 8 weeks old, males, 230
- an isoflurane (3 cc min ⁇ 1 ) + rumoon (Rompun, xylazine, 1 mg kg ⁇ 1 ) and oxygen mixture in the induction chamber Anesthesia of -270 g) was performed.
- the rat was then intubated and the mixture of isoflurane and oxygen was vented at a rate of 1 cc min ⁇ 1 .
- the rat heart was exposed via left thoracotomy, and after 10 minutes of occlusion, the sutures were quickly released for resumption of blood flow through the left anterior descending limb (LAD).
- LAD left anterior descending limb
- tannin AAV9 improved gene expression in infarcted heart tissue (dotted white line) compared to AAV9 alone or untreated.
- GFP expression efficiency after tanning AAV9 (FIG. 22 (B), green bar) injection was nearly 2 times higher than that of AAV9 alone (red bar) or untreated control (black bar).
- MAPs ex vivo monophasic action potentials
- anesthesia was performed by intraperitoneal injection (ip) of 1000 IU / kg heparin followed by intraperitoneal injection of 50 mg / kg pentobarbital.
- ip intraperitoneal injection
- 50 mg / kg pentobarbital 50 mg / kg pentobarbital.
- the heart is rapidly dissected and modified Krebs-Henseleit (KH) saturated with carbogen (95% O 2 and 5% CO 2 ) through the aorta in the Langendorff device.
- KH Krebs-Henseleit
- Buffer (112 mM NaCl, 5 mM KCl, 11.5 mM glucose, 25 mM NaHCO 3 , 1.2 mM MgSO 4 , 1.2 mM KH 2 PO 4 , 2 mM pyruvic acid, and 1.25 mM CaCl 2 ) Perfusion under 75-85 cmH 2 O) and temperature (37.5 ° C.).
- MAPs of the left ventricular endocardium were recorded using a modified Franz MAP electrode made from Teflon coated silver wire (0.25 mm diameter). After the initial equilibrium period (15-30 minutes), MAPs were recorded continuously using an electroencephalogram (EEG) amplifier (Module 73-1770, EEGA, Germany). The heart was electrically stimulated using a differential AC amplifier 1700 (AM System, WA) and a separate pulse stimulator 2100 (AM System, WA), and the Ponemah software was used to determine heart rate, maximum velocity (V max ), amplitude and maximum repolarization. MAP duration (APD 30 , APD 60 or APD 100 ) at 30%, 60% or 100% was measured and continuously monitored. After these parameters stabilized, KH solution containing vehicle control (KH solution only) or tannined GFP (100 ⁇ M TA + GFP filtered off or centrifuged) was perfused for 15-20 minutes.
- EEG electroencephalogram
- the tanned GFP solution did not appear to affect the amplitude and V max parameters (FIG. 24 (A), (B)).
- 100 ⁇ M of unfiltered tanninized GFP decreased the heart rate by 161 ⁇ 16 at a normal heart rate of 180 beats per minute, but there was no significant difference in the effect on heart rate after filtration (FIG. 24 (C)). This is believed to be because free tannic acid, which is known to be toxic, has been removed by filtration.
- Rats were anesthetized with 3% isoflurane (vaporizer, Vet equip. USA, 2-3 cc / min) in a heating pad with continuous body temperature monitoring.
- a pressure-volume transducer 2.0Fr, Millar instruments, TX
- Pressure and volume signals were recorded using the Scisense ADV500 (Transonic, USA) output to LabScribe data acquisition software (iWorx / CB Sciences, USA).
- rats were randomly divided into 3 groups and injected with either GFP (control) or tanned GFP (12 and 24 hour groups) into the tail vein. Data were collected and analyzed 12 and 24 hours after injection of tanninized GFP.
- EDP Ventricular pressure at end-diastole
- LV ventricle Average maximum value of pressure channel over selected cycles
- TA is nontoxic when formulated with other molecules (ie, metal-coordinated TA complexes)
- TA used for immobilized protein tanning at the molecular level will not have a deleterious effect. Indeed, compared with the injection of un-TANNylated GFP, the tanning GFP did not affect this parameter 12 hours or 24 hours after injection (FIG. 27). ). Therefore, in vitro and in vivo analyzes showed that tanned GFP does not show cardiotoxicity.
- bFGF basic fibroblast growth factor, SEQ ID NO: 1
- PBS phosphate buffered saline
- TA tannic acid
- bFGF plays a decisive role in the formation of neosculature to restore heart function, but intravenous injections have no therapeutic effect and require myocardial injections using other formulations (ie hydrogels). Therefore, we tried to determine the therapeutic effect of tannin bFGF through intravenous injection in the myocardial ischemia reperfusion (MIR) model.
- MIR myocardial ischemia reperfusion
- rats SD rats, 8-week-old, male 230 ⁇
- isoflurane 3 cc min -1 + rumoon (Rompun, xalazine, 1 mg kg -1 ) and oxygen mixture in the induction chamber 270 g) of anesthesia
- the rats were cannulated to and allowed to vent a mixture of isoflurane and oxygen at a rate of 1cc min -1.
- the rat heart was exposed via left thoracotomy, and after 10 minutes of occlusion, the sutures were quickly released for resumption of blood flow through the left anterior descending limb (LAD).
- LAD left anterior descending limb
- the heart was separated and soaked in warm ( ⁇ 37 ° C.) PBS to remove blood residues. The heart was then immediately frozen at ⁇ 20 ° C. and the frozen heart was cut from the apex into a transverse slice of about 2 mm. The slices were placed in a cell culture dish and treated with 1% triphenyltetrazolium chloride (TTC) dissolved in PBS at 37 ° C. for 15 minutes. After staining, heart slices were taken with a scanner to distinguish between red and white unstained necrotic tissue. Infarct size areas were measured digitally using ImageJ software and expressed as percentages.
- TTC triphenyltetrazolium chloride
- infarct size was about 16% of the total heart at 28 days after injection of 5 ⁇ g of TANNylated bFGF (black bar), in contrast to the untreated group. Infarct size was 51% (white bar) and infarct size was 31% for bFGF alone injection (gray bar). There was no significant difference in infarct size results between 5 ⁇ g bFGF and 25 ⁇ g bFGF.
- FIG. 28 (B) Histological images also showed a decrease in infarct size after injection of tanned bFGF (TANNylated bFGF) (FIG. 28 (B)).
- TANNylated bFGF tanned bFGF
- infusion of TANNylated bFGF results in all hemodynamic functional values (i.e., left ventricular pressure, stroke volume, cardiac output) to a similar extent as in a healthy heart (sham group). cardiac output), ventricular contractility index).
- FIG. 29, Table 2 These results indicate that TANNylation of drugs targeting the heart can be useful for the treatment of heart disease.
- Tanning of the present invention can be performed simply by mixing the tannic acid (TA) and the substance to be tanned in an appropriate stoichiometric ratio.
- Tanning increased blood circulation time in vivo similar to PEGylation (PEGylation).
- tanninization unlike pegylation, can confer the ability to bind to the heart's myocardium, which can be useful for targeting and accumulation of tannins in the heart.
- GFP, SP and bFGF which are therapeutic agents for heart disease, and virus AAV9, were targeted and accumulated in the heart myocardium, and tanning could be used as a general method for cardiac targeting of heart diseases.
- tanning could be used as a general method for cardiac targeting of heart diseases.
- the intravenous administration of tannin bFGF to the MIR disease model confirms the therapeutic effect, which may solve the conventional problem of using tantalized cardiac disease invasive methods to deliver therapeutic agents locally to the heart. Shows.
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Abstract
Description
도 27은 GFP(Control, 6 ㎍/mL) 또는 탄닌화된 GFP(TANNylated GFP, 500 ㎕/kg)를 마우스에 정맥 내 주사한 후, 12시간 및 24시간 째의 심장 혈류역학 실험 결과를 분석한 것이다 ((a): 심박수(heart rates); (b): 심박출량(cardiac output); (c): 박출량(stroke volume); (d): 구출분획(ejection fraction); (e): 좌심실 압력(LV pressure); (f): 심실 수축률 지수(ventricular contractility index (최대/최소 dP/dt)); 및
(g): 타우값(Tau value), Weiss 방법(logP의 회귀)에 따라 계산된 이완(relax) 시간 상수).
서열번호 | 펩타이드 | 아미노산 서열 |
1 | bFGF | AAGSITTLP ALPEDGGSGA FPPGHFKDPK RLYCKNGGFF LRIHPDGRVD GVREKSDPHI KLQLQAEERG VVSIKGVCAN RYLAMKEDGR LLASKCVTDE CFFFERLESN NYNTYRSRKY TSWYVALKRT GQYKLGSKTG PGQKAILFLP MSAKS |
2 | SP | RPKPQQFFGLM |
Sham | MIR | MIR + bFGF 5 ㎍ | MIR + TANNylated bFGF 5 ㎍ | |
n | 6 | 7 | 7 | 7 |
심박수(HR), bpm | 310.0 ± 17.7 | 329.8 ± 15.2 | 316.5 ± 12.9 | 322.7 ± 18.0 |
수축 말기에서 심실 압력(ESP), mmHg | 99.7 ± 1.4 | 74.3 ± 4.7** | 85.3 ± 1.7* | 103.8 ± 4.6## |
확장 말기에서 심실 압력(EDP), mmHg | 8.7 ± 1.5 | 5.7 ± 1.2 | 8.5 ± 0.9 | 9.8 ± 1.6 |
수축말기용량(ESV), ㎕ | 48.6 ± 11.0 | 280.2 ± 13.5** | 254.5 ± 13.8** | 133.9 ± 19.5**,## |
확장말기용량(EDV), ㎕ | 255.2 ± 39.8 | 396.2 ± 13.4** | 365.3 ± 27.5* | 295.9 ± 23.3# |
박출작업량(SW), mmHg·mL·kg | 3.23 ± 0.54 | 1.39 ± 0.18** | 1.51 ± 0.14* | 3.00 ± 0.53# |
동맥 탄성(Ea), mmHg/μL | 0.57 ± 0.18 | 0.77 ± 0.21 | 0.86± 0.12 | 0.77 ± 0.14 |
타우값(Tau), ms | 11.2 ± 1.1 | 10.2 ± 0.3 | 11.7 ± 0.5 | 11.7 ± 1.1 |
Claims (13)
- 제1항에 있어서, 상기 탄닌산은 심장의 심근(myocardium)에 표적화 및 축적되는 것인, 심장 표적화제.
- 탄닌화된 심장질환 치료제를 유효성분으로 포함하는 심장질환 예방 또는 치료용 약학적 조성물.
- 제3항에 있어서, 상기 심장질환 치료제는 화합물, 단백질, 핵산 및 단백질/핵산 복합체로 이루어진 군으로부터 선택된 하나 이상인, 심장질환 예방 또는 치료용 약학적 조성물.
- 제4항에 있어서, 상기 단백질은 bFGF(basic fibroblast growth factor) 또는 SP(substance P)인, 심장질환 예방 또는 치료용 약학적 조성물.
- 탄닌화된 약물 전달체를 유효성분으로 포함하는 심장 표적화용 조성물.
- 제6항에 있어서, 상기 약물 전달체는 벡터, 바이러스 및 세포로 이루어진 군으로부터 선택되는 어느 하나인, 심장 표적화용 조성물.
- 제7항에 있어서, 상기 바이러스는 레트로바이러스(retrovirus), 아데노바이러스(adenovirus), 아데노-연관 바이러스(adeno-associated virus) 및 렌티바이러스(lentivirus)로 이루어진 군으로부터 선택된 어느 하나인, 심장 표적화용 조성물.
- 제3항 또는 제6항에 있어서, 상기 조성물은 정맥 내로 투여되는 것인, 심장질환 예방 또는 치료용 약학적 조성물.
- 심장질환 치료제를 탄닌화하는 단계를 포함하는 심장질환 치료제를 심장으로 고효율로 표적화시키는 방법.
- 탄닌산 및 심장질환 치료제를 포함하는 심장질환 치료용 키트.
- 탄닌화된 심장질환 치료제를 개체에 투여하는 단계를 포함하는 심장질환의 예방, 개선 또는 치료 방법.
- 심장질환의 예방, 개선 또는 치료를 위한 약제의 제조에 사용하기 위한 탄닌화된 심장질환 치료제의 용도.
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JP2019545809A JP6873261B2 (ja) | 2018-03-22 | 2019-03-12 | タンニン酸を含む心臓を標的化するための薬剤 |
AU2019237720A AU2019237720B2 (en) | 2018-03-22 | 2019-03-12 | Cardiac targeting agent comprising tannic acid |
EP19770857.1A EP3769785B1 (en) | 2018-03-22 | 2019-03-12 | Cardiac targeting agent comprising tannic acid |
CN201980021292.8A CN111971067B (zh) | 2018-03-22 | 2019-03-12 | 含有单宁酸的心脏靶向剂 |
US16/482,444 US11446384B2 (en) | 2018-03-22 | 2019-03-12 | Agent for targeting heart comprising tannic acid |
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KR20240087479A (ko) | 2022-11-24 | 2024-06-19 | 충북대학교 산학협력단 | Alppl2 단백질에 특이적으로 결합하는 rna 앱타머 및 이의 용도 |
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AU2019237720A1 (en) | 2020-10-15 |
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