WO2005009470A1 - Ask1阻害剤を有効成分とする心不全治療薬およびそのスクリーニング方法 - Google Patents
Ask1阻害剤を有効成分とする心不全治療薬およびそのスクリーニング方法 Download PDFInfo
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- WO2005009470A1 WO2005009470A1 PCT/JP2004/011124 JP2004011124W WO2005009470A1 WO 2005009470 A1 WO2005009470 A1 WO 2005009470A1 JP 2004011124 W JP2004011124 W JP 2004011124W WO 2005009470 A1 WO2005009470 A1 WO 2005009470A1
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- ask1
- heart failure
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7088—Compounds having three or more nucleosides or nucleotides
- A61K31/711—Natural deoxyribonucleic acids, i.e. containing only 2'-deoxyriboses attached to adenine, guanine, cytosine or thymine and having 3'-5' phosphodiester links
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- 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
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/90—Enzymes; Proenzymes
- G01N2333/91—Transferases (2.)
- G01N2333/912—Transferases (2.) transferring phosphorus containing groups, e.g. kinases (2.7)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6893—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to diseases not provided for elsewhere
Definitions
- the present invention relates to a therapeutic agent for heart failure comprising an ASK1 inhibitor as an active ingredient and a screening method thereof.
- Heart failure is a syndrome that presents a wide variety of systemic self-objective findings due to impaired contractile dysfunction of the myocardium and is life-threatening. Patients with heart failure have reduced exercise tolerance due to their symptoms, have repeated hospitalizations for worsening heart failure, and eventually die, with a very poor prognosis. At present, diuretics, digitalis preparations, ⁇ -blockers, angiotensin converting enzyme inhibitors, angiotensin receptor inhibitors, and the like are used as pharmacotherapy for preventing and treating the onset of heart failure. Although its effect has been demonstrated in large-scale clinical trials, its effect is minor, and it is necessary to rely on heart transplantation in severe chronic heart failure. Development is awaited.
- ventricular remodeling occurs after heart disease such as myocardial infarction, hypertension, valvular heart disease, etc.
- heart failure is known to occur.
- Ventricular remodeling refers to changes in left ventricular geometry, mass, volume, and function in response to myocardial damage or changes in load. The remodeling process is adaptable, but if the disorder or load is persistent and pathological, such as myocardial infarction, hypertension, valvular heart disease, etc., the process becomes maladaptive.
- ischemia occurs without a sufficient amount of blood being supplied to the enlarged cardiomyocytes, causing myocardial contraction Myocardial dysfunction such as insufficiency may occur, resulting in heart failure syndrome with decreased cardiac output, organ circulatory disorders, venous congestion, and fluid retention.
- myocardial dysfunction such as insufficiency may occur, resulting in heart failure syndrome with decreased cardiac output, organ circulatory disorders, venous congestion, and fluid retention.
- the extent of left ventricular dilation during remodeling is a strong indicator of illness and mortality
- ASK1 apoptosis signal-regulating kinase 1 protein is a mitogen-activated protein that is sensitive to reactive enzyme species.
- a mouth Tinkina one Zekina one Zekina one peptidase (MAPKKK), N-terminal cinchona over peptidase (JNK) or c-Jun is a protein that has been identified as that activate P 38 MAP kinase (JP-1 0 — Japanese Patent Publication No.
- ASKl protein can induce apoptosis in a variety of cells (Saitoh, M., Nishitoh, H., Fujii, M., Takeda, K “Tobiume , K., Sawada, Y "Kawabata, M” Miyazono, K. & Ichijo, H. "Mammalian thioredoxin is a direct inhibitor or apoptosis signal- regulating kinase (ASK) 1) J (1998) Embo J.
- the present invention provides a medicament for at least one of prevention and treatment of heart failure capable of suppressing the decline of heart function and the initiation of heart failure in the remodeling, a screening method thereof, at least one method of prevention and treatment of heart failure, and It is intended to provide a method for diagnosing insufficiency.
- the present inventors have studied left ventricular remodeling after myocardial infarction and left ventricular remodeling after pressure overload, which are the most clinically relevant causes of heart failure, in ASK1 knockout mice.
- left ventricular remodeling after myocardial infarction and left ventricular remodeling after pressure overload which are the most clinically relevant causes of heart failure, in ASK1 knockout mice.
- ASK1 protein removal was associated with left ventricular remodeling following myocardial infarction and pressure overload.
- ASK1 protein removal can suppress the progressive increase in the frequency of apoptosis in left ventricular remodeling after myocardial infarction and pressure overload, ASK1 protein
- the present inventors have found that activation of protein induces apoptosis in cardiomyocytes, and that ASK1 protein is activated in the heart after myocardial infarction or pressure overload, and the present invention has been achieved.
- the medicament for preventing and / or treating heart failure of the present invention is a medicament containing a compound that inhibits the function expression of ASK1 protein in cardiomyocytes as an active ingredient.
- a method for screening a drug for one is a screening method comprising a step of selecting, from a drug candidate compound, a drug component for at least one of prevention and treatment of heart failure using inhibition of ASK1 protein function expression as an index.
- the method for diagnosing heart failure of the present invention is a method for measuring the kinase activity or autophosphorylation ability of ASK1 protein in cardiomyocytes.
- the functional expression of ASK1 protein can be inhibited, and thus, for example, a progressive decline in cardiac contractile function in left ventricular remodeling of heart disease can be suppressed.
- myocardium As a medicine to prevent cardiac infarction for diseases that may cause ventricular remodeling such as infarction, hypertension, valvular heart disease, congenital heart disease, myocarditis, familial hypertrophic cardiomyopathy, dilated cardiomyopathy It can be used, and can be used as a medicament for treating heart failure, for example, for heart failure.
- the screening method of the present invention for example, drug discovery that is effective for prevention and treatment of heart failure can be made. Further, according to at least one of the methods of prevention and treatment of the present invention, for example, effective prevention and treatment of heart failure can be achieved. Further, according to the diagnostic method of the present invention, for example, it is possible to select an effective diagnosis and treatment method.
- FIG. 1A is an example of a transthoracic M-mode ultrasound echocardiogram in an embodiment of the present invention
- FIG. 1B is an example of a graph showing parameter changes in echocardiography in the embodiment of the present invention. is there.
- FIG. 2 is an example of a photograph of a heart sample section in an example of the present invention.
- FIG. 3A is an example of a graph showing the number of apoptotic cells in the example of the present invention
- FIG. 3B is an example of triple staining microscopic observation in the example of the present invention
- FIG. 4A is an example of a graph showing cell viability in the example of the present invention
- FIG. 4B is an example of observation with a Hoechst stained microscope in the example of the present invention
- FIG. FIG. 4D is another example of the graph showing the cell viability in the example
- FIG. 4D is another example of the observation by the Hoechst staining microscope in the example of the present invention
- FIG. 5A is a diagram showing an example of the measurement results of activation of ASK1 protein in the example of the present invention
- FIG. 5B is a graph showing the phosphorylation of JNK protein and p38 protein in the example of the present invention. It is a figure showing an example of a result.
- the ASK1 protein is, for example, a mammalian ASK1 protein, preferably a human ASK1 protein, more preferably an amino acid sequence of GenBank database accession number D84476 or an amino acid sequence substantially identical to the amino acid sequence. More preferably, the ASK1 protein has the same or substantially the same amino acid sequence as that of the patient's ASK1 protein to which the medicament of the present invention is applied.
- the substantially identical amino acid sequence for example, the sequence homology is about 50% or more, preferably about 60% or more, more preferably about 70% or more, further preferably about 80% or more, and particularly preferably.
- the medicament for preventing and / or treating heart failure of the present invention is not particularly limited as long as it is a medicament containing, as an active ingredient, a compound that inhibits the functional expression of ASK1 protein in cardiomyocytes. ) To (8).
- the medicament for preventing and / or treating heart failure of the present invention is a medicament containing, as an active ingredient, a compound that suppresses ASK1 protein-induced apoptosis of cardiomyocytes.
- the medicament for at least one of the prevention and treatment of heart failure of the present invention is a medicament containing, as an active ingredient, a compound that inhibits the kinase activity of ASK1 protein in cardiomyocytes. .
- the medicament for preventing and / or treating heart failure is a medicament containing, as an active ingredient, a compound that inhibits autophosphorylation of ASK1 protein in cardiomyocytes. is there.
- the drug for at least one of the above is a drug containing, as an active ingredient, a compound that inhibits the translation of ASK1 mRNA in cardiomyocytes.
- the medicament for preventing and / or treating heart failure of the present invention is a medicament containing, as an active ingredient, a compound that inhibits transcription of ASK1 gene in cardiomyocytes.
- the medicament for preventing and / or treating heart failure of the present invention is a medicament comprising, as an active ingredient, a compound that inhibits a factor that activates ASK1 protein in cardiomyocytes. It is.
- the medicament for preventing and / or treating heart failure of the present invention is a medicament comprising, as an active ingredient, a compound that inhibits a factor that activates ASK1 protein in cardiomyocytes. It is.
- the medicament for preventing and / or treating heart failure of the present invention comprises a compound capable of suppressing a progressive decrease in cardiac function in ventricular remodeling in cardiomyocytes. It is a medicine as an active ingredient.
- the compound that inhibits the kinase activity of ASK1 protein or the compound that inhibits autophosphorylation of ASK1 protein include, for example, an anti-ASK1 antibody specific to ASK1 protein.
- the anti-ASK1 antibody may be a polyclonal antibody or a monoclonal antibody, a known antibody may be used, or a new antibody may be prepared.
- the method for producing a polyclonal or monoclonal antibody is not particularly limited, and a conventionally known method can be used.
- the anti-ASK1 antibody may be an antibody fragment.
- the antibody fragment include F (ab ') 2, Fab, Fab', and Fv fragments, and these fragments may be subjected to various conventionally known modifications.
- the anti-ASK1 antibody may be a chimeric antibody.
- a compound that inhibits the kinase activity of the ASK1 protein examples include a dominant negative mutant of ASK1 protein.
- the ASK1 dominant negative mutant is not particularly limited as long as it can inhibit at least one of kinase activity, autophosphorylation activity, and complexation of ASK1 protein.
- K709M and K709R indicate that the lysine (K) at position 709 of the ASK1 protein has been replaced by methionine (M) and arginine (R), respectively, and the ASK1NT is an N-terminal region of the ASK1 protein.
- ASK- ⁇ represents a protein consisting of 649 to 137 amino acid residues, which is the C-terminal region of ASK1 protein.
- examples of the compound that inhibits the kinase activity of the ASK1 protein or the compound that inhibits the autophosphorylation of the ASK1 protein include thioredoxin.
- Examples of the compound that inhibits the translation of the ASKl mRNA include, for example, antisense polynucleotides.
- the ASKl mRNA sequence is, for example, a mammalian ASKl mRNA sequence, preferably a human ASKl mRNA sequence, more preferably the sequence of GenBank database accession number D84476, and more preferably the present invention.
- the sequence is the same or substantially the same as the ASKl mRNA sequence of the patient to whom the drug is applied.
- the substantially identical sequence for example, a sequence having a sequence homology of about 50% or more, preferably about 60% or more, more preferably about 70% or more, More preferably about 80% or more, particularly preferably about 90% or more, and most preferably 95% or more, a nucleotide sequence encoding an amino acid sequence identical or substantially identical to the amino acid sequence of ASK1 protein. Is raised.
- examples of the compound that inhibits the translation of ASK1 mRNA include RNA for RNA interference.
- examples of the RNA for RNA interference include single-stranded, double-stranded, or triple-stranded RNA having the same sequence as the ASK1 mRNA sequence, and preferably a double-stranded RNA having the same sequence as the ASK1 mRNA sequence. And more preferably a double-stranded RNA having the same sequence as the ASK1 mRNA sequence consisting of an RNA fragment of 19 to 25 nucleotides.
- Examples of the activator of the ASK1 protein include Daxx, TRAF2, calmodulin-dependent protein kinase II (Ca2 + / calmodulin-dependent protein kinase II; CaM Kinase II), and the like.
- Examples of such factors include MKK3, MKK4, MKK6, MKK7, JNK, p38 MAPK and the like.
- MKK4, MKK7, and JNK are preferable as the factor activated by the ASK1 protein, which is inhibited by the active ingredient.
- the compound contained as an active ingredient in the medicament for preventing and / or treating heart failure according to the present invention includes, for example, low molecular inorganic compounds, low molecular organic compounds, DNA, RNA, peptides, proteins, lipids, sugars, and the like. And its salts and the like.
- the compound of the active ingredient is, for example, DNA, RNA, peptide, protein or the like
- the medicament for preventing and / or treating heart failure of the present invention is a vector comprising a nucleotide sequence encoding a compound as an active ingredient, wherein the nucleotide sequence is But the nucleo A medicament comprising a vector operably linked to regulatory sequences required for the expression of the peptide sequence.
- the vector is not particularly limited as long as it is a vector capable of inserting the nucleotide sequence into a patient's body, preferably into a cardiomyocyte. For example, single-stranded, double-stranded, or circular Alternatively, a supercoiled DNA or RNA molecule can be used.
- examples of the vector include a viral vector such as a retrovirus vector, an adenovirus vector, an adenovirus associated virus vector, and pCAGGS (Genel 08, 193-200 (1991)). ), PBK-CMV> pcDNA3, pZeoSV (manufactured by Invitrogen) and the like.
- the regulatory sequence is a nucleotide sequence required for expression of the operably linked nucleotide sequence in a patient cell, preferably in a cardiomyocyte, and is, for example, a regulatory sequence suitable for eukaryotic cells. Examples include a promoter, a polyadenylation signal, and Enhansa. Said operatively connected means that the components are juxtaposed to perform a function.
- the medicament for prevention and / or treatment of heart failure of the present invention can be used, for example, in mammals, and preferably in humans. Further, the medicament of the present invention can be applied to diseases such as heart failure, myocardial infarction, hypertension, valvular heart disease, valvular heart disease, congenital heart disease, myocarditis, familial hypertrophic cardiomyopathy, dilated cardiomyopathy, etc. .
- diseases such as heart failure, myocardial infarction, hypertension, valvular heart disease, valvular heart disease, congenital heart disease, myocarditis, familial hypertrophic cardiomyopathy, dilated cardiomyopathy, etc.
- the administration route of the medicament for at least one of the prevention and treatment of heart failure of the present invention includes, for example, oral administration and parenteral administration, and the parenteral administration includes, for example, oral administration, intratracheal administration, Rectal administration, subcutaneous administration, intramuscular administration, intravenous administration ⁇ .
- oral administration for example, oral administration, nasal preparation, transdermal preparation, rectal preparation (suppository), sublingual preparation, vaginal preparation, injection preparation (tranquilizer) , Effervescent, subcutaneous, intradermal), instillation and the like.
- the oral administration agent include tablets, pills, powders, powders, granules, capsules, Examples thereof include solutions, suspensions, emulsions, and syrups.
- transdermal agent examples include liquid forms such as lotions and semisolid forms such as creams and ointments.
- the administration route and administration form of the medicament of the present invention are not limited to these, and it is desirable to use the most effective one for at least one of prevention and treatment.
- the medicament for prevention and / or treatment of heart failure of the present invention is in a form containing the vector, that is, in the form of a so-called gene therapeutic agent, depending on the vector, the patient's body, preferably a cardiomyocyte It is preferable to introduce it into the inside.
- examples of a method for administering the vector include an in vivo method and an ex vivo method.
- the medicament is administered by an appropriate administration route depending on a target disease, a target organ, and the like.
- it may be administered to a vein, artery, coronary artery, subcutaneous, intradermal, intramyocardial, or the like, or may be directly administered locally to a site recognized as a lesion.
- the vector when the vector is a non-viral vector, the vector may be administered by, for example, a transfection method using encapsulated ribosomes or electrostatic ribosomes, the HVJ-ribosome method, the improved HVJ-ribosome method, and the receptor method.
- One method is an intercalation method, a method using a particle gun to introduce a metal particle together with a carrier, a method using a naked-DNA direct introduction method, and an introduction method using a positively charged polymer.
- the screening method of the medicament for at least one of the prevention and treatment of heart failure according to the present invention includes the step of inhibiting the expression of the function of the ASK1 protein as an index, using a drug candidate compound to prevent or treat heart failure.
- the method is not particularly limited as long as it is a screening method including a step of selecting a pharmaceutical component of the following, and examples thereof include the following forms (1) to (8).
- the method for screening a medicament for at least one of the prevention and treatment of heart failure comprises an ASK1 protein-induced apoptosis.
- a screening method comprising a step of selecting a drug component for at least one of prevention and treatment of heart failure from a drug candidate compound using suppression of one cis as an index.
- the method for screening a medicament for at least one of prevention and treatment of heart failure of the present invention comprises the steps of: A screening method comprising a step of selecting a pharmaceutical component for at least one of prevention and treatment of heart failure.
- the method for screening a medicament for at least one of prevention and treatment of heart failure of the present invention comprises the steps of: This is a screening method including a step of selecting a pharmaceutical component for at least one of prevention and treatment of heart failure.
- the method for screening a medicament for at least one of the prevention and treatment of heart failure comprises the steps of: A screening method comprising a step of selecting a pharmaceutical component for at least one of the prevention and treatment of the disease.
- the method for screening a drug for at least one of the prevention and treatment of heart failure comprises the steps of: preventing heart failure from a drug candidate compound using inhibition of ASK1 gene transcription as an index. And a step of selecting a pharmaceutical component for at least one of the treatments.
- the method for screening a drug for at least one of the prevention and treatment of heart failure according to the present invention comprises, using an inhibitor of an activator of ASK1 protein as an index, A screening method comprising a step of selecting a pharmaceutical component for at least one of prevention and treatment of heart failure.
- the method for screening a drug for at least one of the prevention and treatment of heart failure according to the present invention comprises the steps of:
- the present invention provides a screening method including a step of selecting a pharmaceutical ingredient for at least one of prevention and treatment of heart failure.
- the method for screening a drug for at least one of the prevention and treatment of heart failure comprises the steps of: A screening method comprising a step of selecting a pharmaceutical ingredient for preventing and / or treating heart failure from a compound.
- a screening method comprising a step of selecting a pharmaceutical ingredient for preventing and / or treating heart failure from a compound.
- the above-mentioned screening method can be performed in silico, in vitro, and in vivo using a conventionally known method.
- the drug component selected in the step of selecting the above-mentioned drug component may be used as it is as an active ingredient of a drug for at least one of the prevention and treatment of heart failure according to the present invention.
- the component when it is, for example, a polynucleotide or a polypeptide, it may be used in the form of a gene therapeutic agent containing a gene encoding the polynucleotide / polypeptide as described above.
- the drug candidate compounds include, for example, low molecular inorganic compounds, low molecular organic compounds, DNA, RNA, peptides, proteins, fats, sugars, derivatives thereof, and salts thereof.
- a constitutively active ASK1 protein for example, ASK1-AN; ASK1 lacking amino acids 1 to 648 of the N-terminal region
- Screening methods include selecting an agent capable of suppressing the kinase activity of ASK1 protein by collecting the ASK1 protein by immunoprecipitation and measuring its kinase activity.
- an anti-phosphorylated ASK1 antibody Western blot using anti-phosphorylated ASK1 antibody to ASK1 protein immunoprecipitated from the cells using anti-ASK1 antibody to suppress autophosphorylation of ASK1 protein
- screening methods to select drugs that can be used.
- a screening method using the translation inhibition of ASK1 mRNA as an index specifically, for example, a protein is extracted from cells or animal heart in the presence of a drug candidate compound, and the expression of ASK1 protein is evaluated.
- screening methods for selecting a drug that inhibits the translation of ASKl mRNA are described in detail below.
- a screening method using the inhibition of the factor activated by the ASK1 protein as an index specifically, for example, cells expressing the constitutively active ASK- ⁇ or the constitutively active ASK- ⁇ are used.
- a drug candidate compound is administered to a transgenic mouse expressing the heart, and the activity of, for example, MK3, MKK4, MK6, MKK7, JNK, p38 MAPK, etc., preferably, the activity of MKK4, MK7> JNK is evaluated.
- the method for evaluating the activity is not particularly limited. For example, it can be performed by detecting phosphorylation of the factor using an antibody or the like.
- screening methods are examples of the screening method of the present invention, and the screening method of the present invention is not limited thereto.
- handling of experimental animals, cells, proteins, nucleic acids, and the like is not particularly limited, and can be performed by a conventionally known method.
- the method for preventing and / or treating heart failure of the present invention is not particularly limited as long as it involves inhibiting the expression of the function of ASK1 protein in cardiomyocytes. For example, the following methods (1) to (6) ).
- At least one of the methods for preventing and treating heart failure according to the present invention is at least one of the methods for preventing and treating heart failure that suppresses apoptosis induced by ASK1 protein.
- At least one method for preventing and treating heart failure comprises at least one method for preventing and treating heart failure, which comprises inhibiting ASK1 protein kinase activity in cardiomyocytes. It is.
- At least one of the methods for preventing and treating heart failure of the present invention comprises at least one of the methods for preventing and treating cardiac phosphorylation of ASK1 protein in cardiomyocytes. It is.
- At least one method of preventing and treating heart failure according to the present invention comprises at least one method of preventing and treating the transcription / translation activity of ASK1 gene in cardiomyocytes. It is.
- the method for preventing and treating heart failure of the present invention comprises the prevention comprising inhibiting at least one of an ASK1 activator and an ASK1 protein-activated factor. And at least treatment Is one of the methods.
- the method for preventing and / or treating heart failure of the present invention comprises the step of providing a medicament for preventing and / or treating heart failure of the present invention, which is pharmaceutically acceptable. It is at least one of prophylaxis and treatment including administering an effective amount. As described above, the most effective method for at least one of the prevention and treatment can be selected as the administration method and administration form of the medicament used for at least one of these prevention and treatment methods. Further, the method for diagnosing heart failure of the present invention is a method for diagnosing, which comprises measuring the kinase activity or autophosphorylation ability of ASK1 protein in cardiomyocytes.
- the severity and qualitative state of heart failure which may lead to heart failure or heart failure
- the optimal method for preventing and treating heart failure can be determined.
- Examples of the heart disease that may cause heart failure include myocardial infarction, hypertension, valvular heart disease, valvular heart disease, congenital heart disease, myocarditis, familial hypertrophic cardiomyopathy, dilated cardiomyopathy, etc.
- myocardial infarction hypertension
- valvular heart disease valvular heart disease
- congenital heart disease myocarditis
- familial hypertrophic cardiomyopathy familial hypertrophic cardiomyopathy
- dilated cardiomyopathy etc.
- the ASK1 knockout mouse used was the F6 generation of the previously reported C57B16 / J strain (Tobiume, K. etal. (2001) EMBO Reports 2, 222-228.), And the control wild-type mouse (WT mouse) was used. ), C57B16 / J mice of the same age were used (Japan SLC, Inc.).
- Myocardial infarction model and thoracic transverse aortic contraction TAC; thoracic Surgical procedures for the transverse aortic constriction model were performed using 10-week-old mice.
- the myocardial infarction is caused by ligation of the left coronary artery as described in the literature (Otsu, K. et al. (2003) Biochem. Biophys. Res. Commun. 302, 56-60.) TAC treatment was performed as described in the literature (Date, M. 0. et al. (2002) J. Am. Coll. Cardiol. 39, 907-12.).
- mice were anesthetized with 2.5% avertin (avertin, 8 / g) and ultrasonography (SONOS-5500 equipped with a 15-MHz linear transducer, manufactured by Philips Medical Systems) was used. And executed.
- the heart was Bl-imaged on a two-dimensional parasternal short-axis view, and an M-mode echocardiogram of the center of the heart, midventriclej was recorded at the level of the papillary muscle.
- Heart rate, anterior and posterior wall thickness, left ventricular end diastolic diameter (LVIDd) and left ventricular end systolic diameter (LVIDs) were obtained from the M-mode images.
- mice For cardiac catheterization, 10-week-old mice were anesthetized with an intraperitoneal injection of a mixture of keyumin (ketamine 50-100 mg / kg) and xylazine (xylazine 3-6 mg / kg). .
- keyumin ketamine 50-100 mg / kg
- xylazine xylazine 3-6 mg / kg.
- TCP-500 Millar Inc.
- the catheter was advanced from the aorta into the left ventricle. Left ventricular pressure was digitized and processed by a computer system.
- the heart sample was stopped at the time of diastole, immediately fixed in 3.7% formalin buffer, embedded in paraffin, and used as a 3 ⁇ 111-thick section specimen. Hematoxylin and eosin (HE) staining or Masson-trichiome staining was performed on serial sections. 1124
- the kinase activity of the ASKl protein in vitro was measured by the immunocomplex kinase assay as described previously (IcWjo, H. et al. (1997) Science 275, 90-4.). Immunoprecipitation of endogenous ASKl was performed on 500 ⁇ g of myocardial extract as reported (Saitoh, M. et al. (1998) Embo J. 17, 2596-606.).
- TUNEL terminal deoxyliponyl nucleotidyltransferase-zebiotin-dUTP nick end label
- Rat ventricular myocytes from 1-2 day old Wistar rats were prepared and cultured as described in the literature (Hirotani, S. et al. (2002) Circulation 105, 509-15.).
- Adenovirus vectors expressing the constitutively active ASKl (AdASK- ⁇ ) or ⁇ -galactosidase (AdLacZ) are as previously described (Saitoh, M. et al. (1998) Embo J. 17, 2596-606.).
- Cardiomyocytes were infected with the recombinant adenovirus vector at a multiplicity of infection of 100 plaque forming units per cell for 1 hour. The cells were then cultured for an additional 24 or 48 hours.
- the relative cell number is based on the Cell Counting Kit-8 based on 3- [4,5-dimethylthiazol-2-yi; i-2,5-diphenyltetrazolium bromide (MIT) assay. (Dojindo) was measured three times. Cell staining with Hoechst 33258 was performed by incubating the cells with 16 solutions. 4 011124
- Activation of JNK and p38 was assessed by cardiac blot extract by Western blot using anti-phosphorylated JNK ⁇ t or anti-phosphorylated p38 antibody.
- ASK1 knockout mouse hearts were compared to control wild type (WT) mouse hearts.
- ASK1 knockout mice were born at the expected frequency of Mendelian inheritance and were apparently indistinguishable from control WT mice.
- the weight of the body, left ventricle, right ventricle, and atria was compared between the ASK1 knockout mouse and the control WT mouse. The results are shown in Table 1 below. As shown in Table 1 below, no significant difference was observed between the two.
- the heart of the ASK1 knockout mouse did not show any signs of morphological damage, and no histological examination of the heart showed any disruption or necrosis of myofibrils or ventricular fibrosis.
- the cut surface area of the muscle cells of the ASK1 knock Kuautomausu is, in the control WT same differences mice did not (ASK knockout, a 338 ⁇ 12 1! 1 2, the control WT, 328 ⁇ 12 m 2 ).
- Table 1 shows the results of evaluation of the left ventricular end diastolic diameter, left ventricular end systolic diameter, left ventricular diameter shortening rate, diastolic ventricular septal thickness, diastolic left ventricular posterior wall thickness, and heart rate by echocardiography. Shown in Also, at that time An example of a wall M-mode ultrasound echocardiogram is shown in the upper part of FIG. 1A. In the figure, the ASK1 knockout mouse is in the column, and the control WT mouse is in the left column. As shown in Table 1 below and FIG.
- Heart rate (beats / min) 413 ⁇ 28 393 ⁇ 28 n.s.
- Heart (beats / min) 528 ⁇ 14 531 ⁇ 15 ns, where max dp / di and min dp / dt are the highest pressures generated during systole and diastole, respectively. Indicates the rate of change. Data are presented as mean soil standard deviation. (Cardiac function and ventricular anatomy after myocardial infarction and TAC)
- the left coronary artery of ASK1 knockout mouse and control WT mouse was ligated to cause myocardial infarction.
- myocardial infarction remodeling first occurs with a side-side slippage of the muscle cells, resulting in infarct expansion and response to volume overload and neurohumoral signals.
- the myocardium in the non-infarcted area away from the infarcted area enlarges. Initially, this helps to reduce wall stress, but ultimately, the left ventricle dilates, the left ventricular wall becomes thinner, and the contractile effect decreases.
- FIG. 1A An example of a transthoracic M-mode ultrasound echocardiogram at that time is shown in the middle part of Fig. 1A.
- the ASK1 knockout mouse ASK
- the control WT mouse is in the left column.
- LVIDd left ventricular end diastolic diameter
- FS left ventricular diameter shortening rate
- the left ventricular end-diastolic diameter and end-systolic diameter both increased after the treatment, but the degree of the increase was more significant in the control WT mice than in the ASK1 knockout mice (ASK ⁇ ). It was big. The rate of shortening of the left ventricle diameter decreased in both cases, but the degree of the decrease was significantly greater in the control WT mice than in the ASK1 knockout mice.
- ASK1 knockout and control WT mice left ventricular dilatation TJP2004 / 011124
- the lung weight and the lung-to-body weight ratio (lung / body ratio) of the control WT mice were significantly greater in the control WT mice than in the ASK1 knockout mice.
- the ASK1 knockout was 153.3 ⁇ 3.3 mg
- the control WT was 204.5 ⁇ 15.3 mg
- the lung / body ratio was ASK1 knockout was 5.63 ⁇ 0.24 X It) -3
- the control WT was 7.65 ⁇ 0.53 ⁇ liT 3 ).
- ASK1 knockout (n U)-basal level _ 2 weeks later 4 weeks later
- Diastolic ventricular septal thickness 0.68 ⁇ 0.03 0.34 ⁇ 0.04 * 0.37 ⁇ 0.05 #
- Heart rate (beats / min) 625 ⁇ 20 615 ⁇ 10 566 ⁇ 14
- Heart rate (beats / min) 604 Sat 5 613 ⁇ 4 576 ⁇ 6
- n the number of samples, and the data are expressed as the average soil standard deviation.
- the thoracic transverse aorta of the ASK1 knockout mouse and control WT mouse was subjected to tying (TAC) to generate pressure overload.
- TAC tying
- the heart activates an adaptive physiological response, taking the form of cardiac hypertrophy and reducing wall stress.
- cardiac hypertrophy and reducing wall stress.
- TAC-treated mice show hyperfunctional hypertrophy at 1 week later without showing any signs of heart failure.
- prolonged or excessive exposure to mechanical stress can result in ventricular and atrial dilation and cardiac dysfunction.
- the physiological effect of AS 1 knockout in vivo on left ventricular remodeling after pressure overload with TAC treatment was evaluated. For the evaluation, echocardiography was performed continuously before the surgical procedure, 2 weeks after the procedure, and 4 weeks after the procedure.
- the results are shown in Table 3 below, and an example of a transthoracic M-mode ultrasonic echocardiogram at that time is shown in the lower part of FIG. 1A.
- the ASK1 knockout mouse is on the right column
- the control WT mouse is on the left column.
- One example of the comparison of the left ventricular end diastolic diameter (LVIDd), the left ventricular end systolic diameter (LVIDs), and the left ventricular diameter reduction ratio (FS) 4 weeks after the treatment is shown in the lower part of FIG. 1B.
- the heart weight and the heart-to-body weight ratio both increased to the same extent in the ASK1 knockout and control WT mice.
- the difference was not observed (ASK1 Nokkua ⁇ bet is a 443 ⁇ 18 m 2, the control WT is, was 445 ⁇ 15 ⁇ ! A ⁇ ).
- the left ventricular end diastolic diameter of the control WT mouse was significantly increased as compared to the ASK1 knockout mouse / sham-treated (non-TAC-treated) mouse.
- Diastolic ventricular septal thickness (thigh) 0 ⁇ 78 ⁇ 0.03 1.00 ⁇ 0.07 1.1 ⁇ 0.02
- diastolic left ventricular posterior wall thickness (mm) 0 ⁇ 78 ⁇ 0.04 0.91 Sat 0.03 0.85 ⁇ 0.03
- Heart rate (beats / min 554 ⁇ 16 548 ⁇ 24 563 ⁇ 26
- Heart rate (beats / min) 541 ⁇ 26 541 ⁇ 16 548 ⁇ 30
- ⁇ represents the number of specimens, and data is shown as the average soil standard deviation. nd means not measured, * means P ⁇ 0.05 for sham-operated identical genotype mice, ⁇ means P for control WT mice 4 weeks after TAC ⁇ 0.05, or K0.05 for the same genotype mouse one week after TAC.
- the right column is the heart of the ASK1 knockout mouse
- the left column is the heart of the control WT mouse.
- the left side is a section stained with hematoxylin-eosin (HE)
- the right side is a section stained with Masson's trichrome
- the bar shows 5 mm.
- the heart of the control WT mouse 4 weeks after the treatment was clearly larger than that of the ASK1 knockout mouse.
- the figure also shows that in the control WT mouse, a part of the area remote from the ischemic injury was replaced by fibrous tissue, whereas in the ASK1 knockout mouse, the remote area was intact. I could read.
- fibrosis was observed between muscles and around blood vessels.Although, in the remote area of ASK1 knockout mice, only a small amount of The formation was observed.
- infarct size was similar in both mice prepared immediately after coronary artery ligation, with the mean for ASK1 knockout mice being 51.3 ⁇ 5.7% and the mean for control WT being 49.1 ⁇ 4.9%. Therefore, it was suggested that the phenotype of ASK1 ablation was unlikely to be related to the development of collateral circulation.
- the mechanical stress produced by TAC treatment can be estimated 7 days after TAC by measuring the pressure gradient across the stenosis in vivo.
- TAC treatment significantly increased the pressure gradient between the two arterioles, but no significant difference was observed between ASK1 knockout mice and control WT mice (ASK1 knockout was 55.5 ⁇ 5.7 mmHg And the control WT was 57.3 ⁇ 4.6 mmHg).
- FIG. 3 shows an example of the results of comparison between the ASK1 knockout mouse and the control WT mouse.
- the graph in Figure 3A shows border and distant areas 1 week or 4 weeks after coronary artery ligation (left 2 panels) and TUNEL-positive cells in myocardium 1 week or 4 weeks after TAC treatment (right panel). Shows an example of the relative number of.
- TUNEL-positive cells were cardiomyocytes.
- An example of the result is shown in Figure 3B. As shown in the figure, TUNEL staining appears green, and anti-a-sarcomer antibody and providide iodide staining appear red. Therefore, when both figures are superimposed, if they look yellow, it can be confirmed that they are cardiomyocytes.
- FIG. 4A is a graph of cell viability as a percentage of the number of survivors on day 0 infected with the virus. As shown in Figure 4A, overexpression of the active mutant form of ASK1 protein caused a decrease in the number of viable cells.
- FIG. 4 (a) is a photomicrograph of the cells 48 hours after the virus infection, stained with Hoechst.
- FIG. 4B when the active mutant ASK1 protein was overexpressed and stained with Hoechst33258, various degrees of condensed nuclear chromatin and fragmented nuclei were observed.
- ⁇ -galactosidase was expressed, such a phenomenon was not observed.
- the multiplicity of infection was set to 10 and the mutant ASK1 protein was expressed, cardiomyocytes were enlarged. (The need for ASK1 in apoptosis 3 ⁇ 40 2 induced)
- ASK1 knock Confirmation was performed using cardiomyocytes of neonates from ad mouse (ASK_) and control WT mice.
- the myocardial cells were cultured for 24 hours with 3 ⁇ 40 2 of various concentrations to measure the number of viable cells by MMT Atsusi was determined viability of the myocardial cells (%). The result is shown in FIG. 4C.
- the resistance to 3 ⁇ 40 2 the ho UGA cardiomyocytes ASK, was superior cardiomyocytes WT.
- FIG. 4 D shows that apoptosis was induced.
- H 2 0 2 The activity of ASK1 protein during remodeling was confirmed.
- the activity of ASK1 protein was measured for hearts after coronary artery ligation or TAC treatment. The results are shown in Fig. 5A.
- FIG. 5A shows the results of the measurement of the immunocomplex assay using His-MKK6 as a substrate.
- the upper panel shows the activation of ASK1 protein 2 days and 1 week after coronary artery ligation. Panels show ASK1 protein activation 2 days and 1 week after TAC treatment.
- the myocardial homogenates used were myocardial homogenates extracted from untreated, untreated ASK1 knockout mice, and WT mice 2 days and 1 week after untreated, sham-treated and treated.
- myocardial homogenates were extracted from ASK1 knockout mice 2 days and 1 week after treatment, and from WT mice 2 days and 1 week after sham treatment and treatment. did.
- FIG. 5A it was confirmed that the ASK1 protein was significantly activated in the heart of the WT mouse after the coronary artery ligation treatment and the TAC treatment. However, no significant activation of ASK1 was observed in ASK1 knockout mice.
- FIG. 5B is a diagram showing an example of the results of Western blot of heart cells of ASK1 knockout and WT mice against JNK and p38 after ligation treatment on the coronary artery (left side) or after TAC treatment (right side). As shown in the figure, activation of JNK and p38 was observed in the heart of the WT mouse after the coronary artery ligation treatment and the TAC treatment.
- Chronic heart failure is one of the leading causes of death in developed countries. Also, the fact that acute coronary artery disease has been overcome by the development of CCU (coronary artery disease intensive care) and coronary angioplasty has increased the incidence of heart failure after myocardial infarction. In addition, heart failure patients are also prevalent in the hypertensive group.
- the present invention is useful, for example, in the field of medicine for the prevention and / or treatment of heart failure and / or the method of prevention and / or treatment of heart failure, for which very great demand is expected.
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US10/565,974 US20070167386A1 (en) | 2003-07-28 | 2004-07-28 | Remedy for cardiac failure containing ask1 inhibitor as active ingredient and method for screening the same |
EP04748228A EP1661581A1 (en) | 2003-07-28 | 2004-07-28 | Remedy for cardiac failure comprising ask1 inhibitor as the active ingredient and method of screening the same |
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US10246439B2 (en) | 2017-05-25 | 2019-04-02 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10253018B2 (en) | 2017-05-25 | 2019-04-09 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10450301B2 (en) | 2017-05-25 | 2019-10-22 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10597382B2 (en) | 2017-08-28 | 2020-03-24 | Enanta Pharmaceuticals, Inc. | Tetrazole containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10683289B2 (en) | 2018-05-02 | 2020-06-16 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10683279B2 (en) | 2017-05-12 | 2020-06-16 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10968199B2 (en) | 2018-08-22 | 2021-04-06 | Enanta Pharmaceuticals, Inc. | Cycloalkyl-containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11008304B2 (en) | 2018-05-02 | 2021-05-18 | Enanta Pharmaceuticals, Inc. | Tetrazole containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11345699B2 (en) | 2018-11-19 | 2022-05-31 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11466033B2 (en) | 2019-03-25 | 2022-10-11 | Enanta Pharmaceuticals, Inc. | Substituted pyridines as apoptosis signal-regulating kinase 1 inhibitors |
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US8828924B2 (en) * | 2009-05-14 | 2014-09-09 | University Of Maryland, Baltimore | Methods of treating a diabetic embryopathy |
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PT2588475E (pt) | 2010-07-02 | 2015-09-08 | Gilead Sciences Inc | Inibidores de cinase reguladora dos sinais da apoptose |
US20130236441A1 (en) * | 2010-11-18 | 2013-09-12 | University Of Delaware | Methods of treating and preventing thrombotic diseases using ask1 inhibitors |
UY34573A (es) | 2012-01-27 | 2013-06-28 | Gilead Sciences Inc | Inhibidor de la quinasa que regula la señal de la apoptosis |
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MA41252A (fr) | 2014-12-23 | 2017-10-31 | Gilead Sciences Inc | Formes solides d'un inhibiteur d'ask 1 |
AU2015369668B2 (en) | 2014-12-23 | 2019-04-18 | Gilead Sciences, Inc. | Processes for preparing ASK1 inhibitors |
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- 2004-07-28 EP EP04748228A patent/EP1661581A1/en not_active Withdrawn
- 2004-07-28 US US10/565,974 patent/US20070167386A1/en not_active Abandoned
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JP2002539781A (ja) * | 1999-03-19 | 2002-11-26 | アベンティス・ファーマスーティカルズ・プロダクツ・インコーポレイテツド | Akt核酸、ポリペプチドおよびその使用 |
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US10450301B2 (en) | 2017-05-25 | 2019-10-22 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10246439B2 (en) | 2017-05-25 | 2019-04-02 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10597382B2 (en) | 2017-08-28 | 2020-03-24 | Enanta Pharmaceuticals, Inc. | Tetrazole containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10683289B2 (en) | 2018-05-02 | 2020-06-16 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11008304B2 (en) | 2018-05-02 | 2021-05-18 | Enanta Pharmaceuticals, Inc. | Tetrazole containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11834436B2 (en) | 2018-05-02 | 2023-12-05 | Enanta Pharmaceuticals, Inc. | Tetrazole containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US10968199B2 (en) | 2018-08-22 | 2021-04-06 | Enanta Pharmaceuticals, Inc. | Cycloalkyl-containing apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11345699B2 (en) | 2018-11-19 | 2022-05-31 | Enanta Pharmaceuticals, Inc. | Apoptosis signal-regulating kinase 1 inhibitors and methods of use thereof |
US11466033B2 (en) | 2019-03-25 | 2022-10-11 | Enanta Pharmaceuticals, Inc. | Substituted pyridines as apoptosis signal-regulating kinase 1 inhibitors |
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