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  • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • C07K14/575—Hormones
  • C07K14/605—Glucagons
• • A—HUMAN NECESSITIES
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  • 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
  • A61K38/22—Hormones
  • A61K38/26—Glucagons
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K39/00—Medicinal preparations containing antigens or antibodies
  • A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
  • A61K39/39533—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals
  • A61K39/3955—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals against proteinaceous materials, e.g. enzymes, hormones, lymphokines
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• • A—HUMAN NECESSITIES
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  • A61P3/00—Drugs for disorders of the metabolism
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  • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
  • C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
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  • C07—ORGANIC CHEMISTRY
  • C07K—PEPTIDES
  • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • C07K14/575—Hormones
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  • C07K—PEPTIDES
  • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
  • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • C07K14/575—Hormones
  • C07K14/57563—Vasoactive intestinal peptide [VIP]; Related peptides
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  • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
  • C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
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  • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
  • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
  • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
  • C07K16/2803—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
  • C07K16/283—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against Fc-receptors, e.g. CD16, CD32, CD64
• • A—HUMAN NECESSITIES
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  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K38/00—Medicinal preparations containing peptides
• • 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
  • A61K47/56—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
  • A61K47/59—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 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes
  • A61K47/60—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 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyureas or polyurethanes the organic macromolecular compound being a polyoxyalkylene oligomer, polymer or dendrimer, e.g. PEG, PPG, PEO or polyglycerol
• • 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
  • A61P9/10—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
• • 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
  • A61P9/12—Antihypertensives

Definitions

• the present invention relates to triple activators having activity on all glucagon, GLP-1 and GIP receptors and their use.
• Diabetes including obesity and type 2 diabetes, is one of the representative metabolic diseases occurring in modern society and is recognized as a global health threat, and the economic costs associated with the onset of the disease are increasing rapidly.
• GLP-1 Glucagon-like peptide-1
• GIP Glucose-dependent insuliontropic polypeptide
• GLP-1 is a hormone secreted by the small intestine stimulated by food intake, which promotes insulin secretion in the pancreas and inhibits glucagon secretion in a blood glucose concentration-dependent manner, thereby lowering blood glucose levels.
• it acts as a satiety factor to slow the digestive action of the stomach and has a role in reducing food intake by delaying the gastrointestinal transit time of the food digestion.
• it has been reported that there is an effect of inhibiting food intake and weight loss when administered to rats, and this effect was found to be the same in both normal and obese states, showing the potential as a therapeutic agent for obesity.
• GIP one of the gastrointestinal hormones stimulated by food in addition to GLP-1, is a hormone composed of 42 amino acids secreted from small K cells in the small intestine, which promote insulin secretion and increase blood glucose levels depending on blood glucose levels. GLP-1 has been reported to increase the activity and anti-inflammatory effects.
• Glucagon is produced by the pancreas when blood sugar begins to drop due to medication or disease, hormone or enzyme deficiency. Glucagon signals the liver to break down glycogen to release glucose and to raise blood sugar levels to normal levels. In addition, glucagon stimulates fat breakdown and energy metabolism (energy expenditudre) to promote anti-obesity effects by stimulating appetite suppression in animals and humans and hormone sensitive lipase in fat cells in addition to synergistic effects. Indications have been reported.
• GLP-1 and GIP have a high activity of GLP-1 and GIP to lower blood sugar, but have a lower weight of glucagon, but have a higher glycemic control effect, but GLP-1, GIP, and glucagon have higher activity.
• One object of the present invention is to provide isolated peptides having activity against glucagon receptor, Glucagon-like peptide-1 (GLP-1) receptor, and Glucose-dependent insuliontropic polypeptide (GIP) receptor.
• GLP-1 Glucagon-like peptide-1
• GIP Glucose-dependent insuliontropic polypeptide
• Another object of the present invention is to provide a polynucleotide encoding the isolated peptide, a recombinant expression vector comprising the polynucleotide, and a transformant comprising the polynucleotide or the recombinant expression vector.
• Another object of the present invention is to provide a method for producing the isolated peptide.
• Another object of the present invention is to provide a composition comprising the isolated peptide.
• Another object of the present invention is to provide a method for treating a disease in which the isolated peptide or composition comprising the same comprises administering the isolated peptide or composition comprising the same to an individual in need thereof. .
• Another object of the present invention is to provide the use of said isolated peptide or composition for use in the manufacture of a medicament.
• One embodiment of the present invention for solving the above problems is an isolated peptide having activity against glucagon receptor, Glucagon-like peptide-1 (GLP-1) receptor, and Glucose-dependent insuliontropic polypeptide (GIP) receptor.
• GLP-1 Glucagon-like peptide-1
• GIP Glucose-dependent insuliontropic polypeptide
• the peptides undergo modifications selected from the group consisting of substitution, addition, removal, modification, and combinations thereof of at least one or more amino acids in the native glucagon sequence. It is characterized by being an analog of natural type glucagon.
• the additional amino acid sequence is derived from a native GLP-1, native GIP, or native exendin-4 amino acid sequence.
• the peptide is an isolated peptide comprising an amino acid sequence represented by the following general formula (1):
• Xaa1 is histidine (His, H), 4-imidazoacetyl (CA), or tyrosine (Tyr, Y),
• Xaa2 is glycine (Gly, G), alpha-methyl-glutamic acid, or Aib (aminoisobutyric acid),
• Xaa 3 is glutamic acid (Glu, E) or glutamine (Gln, Q),
• Xaa7 is threonine (Thr, T) or isoleucine (Ile, I),
• Xaa10 is leucine (Leu, L), tyrosine (Tyr, Y), lysine (Lys, K), cysteine (Cys, C), or valine (Val, V),
• Xaa12 is lysine (Lys, K), serine (Ser, S), or isoleucine (Ile, I),
• Xaa13 is glutamine (Gln, Q), tyrosine (Tyr, Y), alanine (Ala, A), or cysteine (Cys, C),
• Xaa14 is leucine (Leu, L), methionine (Met, M), or tyrosine (Tyr, Y),
• Xaa15 is cysteine (Cys, C), aspartic acid (Asp, D), glutamic acid (Glu, E), or leucine (Leu, L),
• Xaa16 is glycine (Gly, G), glutamic acid (Glu, E), or serine (Ser, S),
• Xaa17 is glutamine (Gln, Q), arginine (Arg, R), isoleucine (Ile, I), glutamic acid (Glu, E), cysteine (Cys, C), or lysine (Lys, K),
• Xaa18 is alanine (Ala, A), glutamine (Gln, Q), arginine (Arg, R), or histidine (His, H),
• Xaa19 is alanine (Ala, A), glutamine (Gln, Q), cysteine (Cys, C), or valine (Val, V),
• Xaa20 is lysine (Lys, K), glutamine (Gln, Q), or arginine (Arg, R),
• Xaa21 is glutamic acid (Glu, E), glutamine (Gln, Q), leucine (Leu, L), cysteine (Cys, C), or aspartic acid (Asp, D),
• Xaa23 is isoleucine (Ile, I) or valine (Val, V),
• Xaa24 is alanine (Ala, A), glutamine (Gln, Q), cysteine (Cys, C), asparagine (Asn, N), aspartic acid (Asp, D), or glutamic acid (Glu, E),
• Xaa27 is valine (Val, V), leucine (Leu, L), lysine (Lys, K), or methionine (Met, M),
• Xaa28 is cysteine (Cys, C), lysine (Lys, K), alanine (Ala, A), asparagine (Asn, N), or aspartic acid (Asp, D),
• Xaa29 is cysteine (Cys, C), glycine (Gly, G), glutamine (Gln, Q), threonine (Thr, T), glutamic acid (Glu, E), or histidine (His, H),
• Xaa30 is cysteine (Cys, C), glycine (Gly, G), lysine (Lys, K), or histidine (His, H) or absent,
• R1 is cysteine (Cys, C), GKKNDWKHNIT (SEQ ID NO: 106), m-SSGAPPPS-n (SEQ ID NO: 107), or m-SSGQPPPS-n (SEQ ID NO: 108), or absent,
• m is -Cys-, -Pro-, or -Gly-Pro-,
• n is -Cys-, -Gly-, -Ser-, or -His-Gly- or absent.
• Xaa14 is leucine or methionine
• Xaa15 is characterized by being cysteine, aspartic acid, or leucine.
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa7 is threonine
• Xaa10 is tyrosine, cysteine, or valine
• Xaa12 is lysine or isoleucine
• Xaa13 is tyrosine, alanine, glutamine, or cysteine,
• Xaa14 is leucine, cysteine, or methionine
• Xaa15 is cysteine, leucine, glutamic acid, or aspartic acid,
• Xaa17 is glutamine, arginine, isoleucine, cysteine, glutamic acid, or lysine,
• Xaa18 is alanine, glutamine, arginine, or histidine
• Xaa19 is alanine, glutamine, valine, or cysteine
• Xaa20 is lysine, arginine, or glutamine
• Xaa21 is glutamic acid, glutamine, leucine, cysteine, or aspartic acid,
• Xaa23 is isoleucine or valine
• Xaa24 is cysteine, alanine, glutamine, asparagine, glutamic acid, or aspartic acid,
• Xaa27 is characterized in that it is leucine or lysine.
• the peptide comprises an amino acid sequence represented by the following general formula 2:
• Xaa1 is 4-imidazoacetyl, histidine, or tyrosine,
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa10 is tyrosine, or cysteine
• Xaa13 is alanine, glutamine, tyrosine, or cysteine,
• Xaa14 is leucine, methionine, or tyrosine
• Xaa15 is aspartic acid, glutamic acid, or leucine
• Xaa16 is glycine, glutamic acid, or serine,
• Xaa17 is glutamine, arginine, isoleucine, glutamic acid, cysteine, or lysine,
• Xaa18 is alanine, glutamine, arginine, or histidine
• Xaa19 is alanine, glutamine, cysteine, or valine
• Xaa20 is lysine, glutamine, or arginine
• Xaa21 is cysteine, glutamic acid, glutamine, leucine, or aspartic acid,
• Xaa23 is isoleucine or valine
• Xaa24 is cysteine, alanine, glutamine, asparagine, or glutamic acid,
• Xaa28 is lysine, cysteine, asparagine, or aspartic acid
• Xaa29 is glycine, glutamine, cysteine, or histidine
• Xaa30 is cysteine, glycine, lysine, or histidine
• Xaa31 is proline or cysteine
• Xaa40 is cysteine or absent.
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa7 is threonine
• Xaa10 is tyrosine, cysteine, or valine
• Xaa12 is lysine or isoleucine
• Xaa13 is tyrosine, alanine, or cysteine
• Xaa14 is leucine or methionine
• Xaa15 is cysteine or aspartic acid
• Xaa17 is glutamine, arginine, isoleucine, cysteine, or lysine,
• Xaa18 is alanine, arginine, or histidine
• Xaa19 is alanine, glutamine, or cysteine
• Xaa20 is lysine or glutamine
• Xaa21 is glutamic acid, cysteine, or aspartic acid
• Xaa23 is valine
• Xaa24 is alanine, glutamine, cysteine, asparagine, or aspartic acid,
• Xaa27 is characterized in that it is leucine or lysine.
• Xaa13 is alanine, tyrosine, or cysteine
• Xaa15 is aspartic acid or glutamic acid
• Xaa17 is glutamine, arginine, cysteine, or lysine
• Xaa18 is alanine, arginine, or histidine
• Xaa21 is cysteine, glutamic acid, glutamine, or aspartic acid,
• Xaa23 is isoleucine or valine
• Xaa24 is cysteine, glutamine, or asparagine
• Xaa28 is cysteine, asparagine, or aspartic acid
• Xaa29 is glutamine, cysteine, or histidine
• Xaa30 is characterized in that it is cysteine, lysine, or histidine.
• Xaa2 is alpha-methyl-glutamic acid or Aib
• Xaa7 is threonine
• Xaa10 is tyrosine or cysteine
• Xaa12 is lysine or isoleucine
• Xaa13 is tyrosine, alanine, or cysteine
• Xaa14 is leucine or methionine
• Xaa15 is cysteine or aspartic acid
• Xaa16 is glutamic acid
• Xaa17 is arginine, isoleucine, cysteine, or lysine,
• Xaa18 is alanine, arginine, or histidine
• Xaa19 is alanine, glutamine, or cysteine
• Xaa20 is lysine or glutamine
• Xaa21 is glutamic acid or aspartic acid
• Xaa23 is valine
• Xaa24 is glutamine, asparagine, or aspartic acid
• Xaa27 is leucine
• Xaa28 is characterized by being cysteine, alanine, asparagine, or aspartic acid.
• Xaa1 is histidine or 4-imidazoacetyl
• Xaa2 is alpha-methyl-glutamic acid or Aib
• Xaa3 is glutamine
• Xaa7 is threonine
• Xaa10 is tyrosine
• Xaa12 is isoleucine
• Xaa13 is alanine or cysteine
• Xaa14 is methionine
• Xaa15 is aspartic acid
• Xaa16 is glutamic acid
• Xaa17 is isoleucine or lysine
• Xaa18 is alanine or histidine
• Xaa19 is glutamine or cysteine
• Xaa20 is lysine
• Xaa21 is aspartic acid
• Xaa23 is valine
• Xaa24 is asparagine
• Xaa27 is leucine
• Xaa28 is alanine or asparagine
• Xaa29 is glutamine or threonine
• Xaa30 is cysteine or lysine, or is absent.
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa3 is glutamine
• Xaa7 is threonine
• Xaa10 is tyrosine, cysteine, or valine
• Xaa12 is lysine
• Xaa13 is tyrosine
• Xaa14 is leucine
• Xaa15 is aspartic acid
• Xaa16 is glycine, glutamic acid, or serine,
• Xaa17 is glutamine, arginine, cysteine, or lysine
• Xaa18 is alanine, arginine, or histidine
• Xaa19 is alanine or glutamine
• Xaa20 is lysine or glutamine
• Xaa21 is glutamic acid, cysteine, or aspartic acid
• Xaa23 is valine
• Xaa24 is alanine, glutamine, or cysteine
• Xaa27 is leucine or lysine
• Xaa29 is characterized in that it is glycine, glutamine, threonine, or histidine.
• the peptide is a peptide comprising the amino acid sequence of Formula 3 below:
• Xaa1 is histidine or tyrosine
• Xaa2 is alpha-methyl-glutamic acid or Aib
• Xaa13 is alanine, tyrosine or cysteine
• Xaa17 is arginine, cysteine, or lysine
• Xaa18 is alanine or arginine
• Xaa19 is alanine or cysteine
• Xaa21 is glutamic acid or aspartic acid
• Xaa24 is glutamine or asparagine
• Xaa28 is cysteine or aspartic acid
• Xaa29 is cysteine, histidine, or glutamine
• Xaa30 is cysteine or histidine
• Xaa31 is proline or cysteine
• Xaa40 is cysteine or absent.
• R1 is cysteine, CSSGQPPPS (SEQ ID NO: 109), GPSSGAPPPS (SEQ ID NO: 110), GPSSGAPPPSC (SEQ ID NO: 111), PSSGAPPPS (SEQ ID NO: 112), PSSGAPPPSG (SEQ ID NO: 113), PSSGAPPPSHG (SEQ ID NO: 114) ), PSSGAPPPSS (SEQ ID NO: 115), PSSGQPPPS (SEQ ID NO: 116), or PSSGQPPPSC (SEQ ID NO: 117), or is absent.
• amino acids 16 and 20 from the N-terminus in the general formula form a ring with each other.
• the peptide is characterized in that it comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 1 to 102.
• the peptide is characterized by retaining the activity of at least one of i) to iii):
• the peptide is characterized by an increased half-life in the body compared to any one of native GLP-1, native glucagon, and native GIP:
• the peptide is characterized in that its C-terminus is amidated.
• Another embodiment embodying the present invention is a polynucleotide encoding the isolated peptide, a recombinant expression vector comprising the polynucleotide, and a transformant comprising the polynucleotide or the recombinant expression vector.
• Another embodiment embodying the invention is a method of making the isolated peptide.
• Another embodiment embodying the invention is a composition comprising said isolated peptide.
• the composition is characterized in that the pharmaceutical composition.
• composition is characterized in that for the prevention or treatment of metabolic syndrome.
• the metabolic syndrome may be associated with atherosclerosis, hypercholesterolemia, dyslipidemia, obesity, diabetes, hypertension, dyslipidemia, atherosclerosis, atherosclerosis, arteriosclerosis, or coronary heart disease (coronary heart disease). It is characterized by including.
• Another object of the present invention is to provide a method for treating a disease in which the isolated peptide or composition comprising the same comprises administering the isolated peptide or composition comprising the same to an individual in need thereof. .
• Another object of the present invention is to provide the use of said isolated peptide or composition for use in the manufacture of a medicament.
• the peptide according to the present invention has activity against the glucagon receptor, the Glucagon-like peptide-1 (GLP-1) receptor, and the Glucose-dependent insuliontropic polypeptide (GIP) receptor, and can be applied to the treatment of metabolic syndrome.
• GLP-1 Glucagon-like peptide-1
• GIP Glucose-dependent insuliontropic polypeptide
• One embodiment embodying the present invention provides isolated peptides having activity against glucagon receptor, Glucagon-like peptide-1 (GLP-1) receptor, and Glucose-dependent insuliontropic polypeptide (GIP) receptor.
• GLP-1 Glucagon-like peptide-1
• GIP Glucose-dependent insuliontropic polypeptide
• Isolated peptides having activity against the glucagon, GLP-1, and GIP receptors can be used interchangeably as triple activators in the present invention.
• triple activators include various substances, such as various peptides, having significant levels of activity on glucagon, GLP-1, and GIP receptors.
• the triple activator having a significant level of activity on the glucagon, GLP-1, and GIP receptors may be one or more receptors, specifically two or more of glucagon, GLP-1, and GIP receptors.
• more specifically all three receptors in in vitro Activity is at least 0.1%, at least 1%, at least 2%, at least 3%, at least 4%, at least 5%, 6, relative to the native ligand (natural glucagon, native GLP-1, and native GIP) of the receptor At least%, at least 7%, at least 8%, at least 9%, at least 10%, at least 20%, at least 30%, at least 40%, at least 50%, at least 60%, at least 70%, at least 80%, at least 90% , 100% or more.
• Example 2 of the present specification A method for measuring in vitro activity may be referred to Example 2 of the present specification, but is not particularly limited thereto.
• the triple activator is characterized by having at least one of the following i) to iii), specifically a significant activity:
• activating the receptor means that the receptor in vitro activity at least 0.1%, at least 1%, at least 2%, at least 3%, at least 4%, at least 5%, at least 6%, at least 7%, at least 8%, at least 9%, at least 10%, 20%
• activating the receptor means that the receptor in vitro activity at least 0.1%, at least 1%, at least 2%, at least 3%, at least 4%, at least 5%, at least 6%, at least 7%, at least 8%, at least 9%, at least 10%, 20%
• the case where more than 30%, 40% or more, 50% or more, 60% or more, 70% or more, 80% or more, 90% or more, 100% or more is shown is mentioned. However, it is not limited thereto.
• the triple activator may be an increased half-life in the body compared to any one of natural GLP-1, natural glucagon, and natural GIP, but is not particularly limited thereto.
• the glucagon analog may be non-naturally occurring.
• the isolated peptide may be an analog of natural glucagon, but is not particularly limited thereto.
• Natural glucagon analogues according to the present invention include peptides having one or more differences in amino acid sequence compared to natural glucagon, peptides modified through modification of the natural glucagon sequence, mimetics of natural glucagon.
• natural glucagon may have the following amino acid sequence:
• the isolated peptide has a modification selected from the group consisting of substitution, addition, removal, modification, and combinations thereof, with at least one amino acid in the native glucagon sequence, It may be an analog of natural glucagon, but is not particularly limited thereto.
• substitution of the said amino acid includes both substitution with an amino acid and substitution with a non-natural type compound.
• the addition may be at the N-terminus and / or C-terminus of the peptide.
• the length of the added amino acid is not particularly limited thereto, and at least one, at least two, at least three, at least four, at least five, at least six, at least seven, at least eight, at least nine, at least ten, at least eleven amino acids are to be added. And broadly, including, but not limited to, the addition of polypeptides.
• the glucagon analogue is 1, 2, 3, 7, 10, 12, 13, 14, 15, 16, 17, 18, 18 in the natural glucagon amino acid sequence
• At least 1, at least 2, at least 3, at least 4, at least 5, at least 6, at least 7, selected from the group consisting of 19, 20, 21, 23, 24, 27, 28 and 29, 8 or more, 9 or more, 10 or more, 11 or more, 12 or more, 13 or more, 14 or more, 15 or more, 16 or more, 17 or more, 18 or more, 19 or more, or 20 amino acids may be substituted with other amino acids,
• at least one, at least two, at least three, at least four, at least five, at least six, at least seven, at least eight, at least nine, at least ten, at least eleven amino acids may be added to the C-terminus.
• the glucagon analogue is 1, 2, 3, 10, 12, 13, 14, 15, 16, 17, 18, 19, 19 in the natural type glucagon amino acid sequence.
• At least 1, at least 2, at least 3, at least 4, at least 5, at least 6, at least 7, at least 8, selected from the group consisting of 20, 21, 23, 24, 27, 28 and 29, 9 or more, 10 or more, 11 or more, 12 or more, 13 or more, 14 or more, 15 or more, 16 or more, 17 or more, 18 or more, 19 amino acids may be substituted with other amino acids, and also independently or additionally C
• One or more, two or more, three or more, four or more, five or more, six or more, seven or more, eight or more, nine or more, ten or more, or eleven or more amino acids may be added to the end, but is not particularly limited thereto. no.
• the glucagon analogue is 1, 2, 3, 10, 13, 14, 15, 16, 17, 18, 19, 20, At least 1, at least 2, at least 3, at least 4, at least 5, at least 6, at least 7, at least 8, at least 9, at least 10, selected from the group consisting of 21, 23, 24, 28 and 29; 11 or more, 12 or more, 13 or more, 14 or more, 15 or more, 16 or more, 17 amino acids may be substituted with other amino acids, and also independently or additionally at least one, two or more, three or more, 4 or more, 5 or more, 6 or more, 7 or more, 8 or more, 9 or more, 10 or more, or 11 or more amino acids may be added, but is not particularly limited thereto.
• the glucagon analogue is 1, 2, 13, 16, 17, 18, 19, 20, 21, 23, 24, 27, 27 in the natural glucagon amino acid sequence. 1 or more, 2 or more, 3 or more, 4 or more, 5 or more, 6 or more, 7 or more, 8 or more, 9 or more, 10 or more, 11 or more, 12 or more, 13 or more, selected from the group consisting of 28 and 29 Or 14 amino acids may be substituted with another amino acid, and independently or additionally at least one, two or more, three or more, four or more, five or more, six or more, seven or more, eight or more, nine or more at the C-terminus thereof , 10 or more, 11 or more amino acids may be added, but is not particularly limited thereto.
• amino acids introduced from the natural glucagon are tyrosine, alpha-methyl-glutamic acid, Aib, methionine, glutamic acid, histidine, lysine, leucine, isoleucine, glutamine, valine, glycine, alanine, cysteine, serine, alanine, aspartic acid, and arginine It may be selected from the group consisting of, but is not particularly limited thereto.
• the additional amino acid sequence may be one or more amino acid sequences derived from native GLP-1, native GIP, or native exendin-4 amino acid sequences.
• Such glucagon analogs or triple activators may comprise intramolecular bridges (eg, covalent or non-covalent bridges) and may specifically be in the form of rings, for example glucagon analogs or triplets Rings may be formed between amino acids 16 and 20 of the activator, but are not particularly limited thereto.
• Non-limiting examples of such rings may include lactam bridges (or lactam rings).
• the glucagon analogue or triple activator includes all modified to include an amino acid capable of forming a ring at a desired position to include a ring.
• the pair of amino acids 16 and 20 of the glucagon analogue or triple activator may be substituted with glutamic acid or lysine, which may form a ring, respectively, but is not limited thereto.
• Such a ring may be formed between the amino acid side chains in the glucagon analogue or triple activator.
• the ring may be in a form in which a lactam ring is formed between the side chain of lysine and the side chain of glutamic acid, but is not particularly limited thereto.
• Examples of analogues of glucagon produced by a combination of these methods include glucagon receptors, GLP-1 receptors, and GIP receptors, wherein the glucagon receptor, the GLP-1 receptor, and the G-receptor have at least one amino acid sequence different from the native glucagon and are free of alpha-carbon at the N-terminal amino acid residue
• glucagon receptors GLP-1 receptors
• GIP receptors GIP receptors
• the present invention is not particularly limited thereto, and the triple activator of the present invention may substitute some amino acids with other amino acids or non-natural compounds to avoid the recognition of activating enzymes in order to increase half-life in the body.
• the peptide may increase the half-life in the body by avoiding the recognition action of the degrading enzyme by replacing the second amino acid sequence of the amino acid sequence of the triple activator, but the amino acid substitution for avoiding the recognition action of the degradation enzyme in the body or Changes are included without limitation.
• modifications for the preparation of analogues of natural glucagon may include modifications with L- or D-type amino acids, and / or non-natural amino acids; And / or by modifying a native sequence such as modification of side chain functional groups, covalent intramolecular bonds such as cross-chain side chain formation, methylation, acylation, ubiquitination, phosphorylation, aminohexanation, biotinylation, etc. It includes everything you do.
• the substituted or added amino acids may use at least 20 amino acids commonly found in human proteins, as well as atypical or non-naturally occurring amino acids.
• Commercial sources of atypical amino acids include Sigma-Aldrich, ChemPep and Genzyme pharmaceuticals. Peptides and formal peptide sequences containing these amino acids can be synthesized and purchased through commercial peptide synthesis companies, for example, American peptide company or Bachem in the United States, or Anygen in Korea.
• Amino acid derivatives can also be obtained in the same manner, and for example, 4-imidazoacetic acid can be used.
• the peptide according to the present invention is chemically modified or protected with an organic terminal, or the amino acid or the like at its N-terminus and / or C-terminus in order to protect from protein cleavage enzymes in vivo and increase stability It may be added and modified form.
• the peptides according to the present invention include all of the forms of the peptides themselves, salts thereof (eg, pharmaceutically acceptable salts of the peptides), or solvates thereof.
• the peptide may be in any pharmaceutically acceptable form.
• the kind of the salt is not particularly limited. However, it is preferable that the form is safe and effective for an individual such as a mammal, but is not particularly limited thereto.
• pharmaceutically acceptable means a substance that can be effectively used for a desired use without causing excessive toxicity, irritation, or allergic reactions within the scope of medical judgment.
• salts includes salts derived from pharmaceutically acceptable inorganic acids, organic acids, or bases.
• suitable acids include hydrochloric acid, bromic acid, sulfuric acid, nitric acid, perchloric acid, fumaric acid, maleic acid, phosphoric acid, glycolic acid, lactic acid, salicylic acid, succinic acid, toluene-p-sulfonic acid, tartaric acid, acetic acid, citric acid, methanesulfonic acid, formic acid , Benzoic acid, malonic acid, naphthalene-2-sulfonic acid, benzene sulfonic acid and the like.
• Salts derived from suitable bases may include alkali metals such as sodium, potassium, alkaline earth metals such as magnesium, and ammonium and the like.
• solvate refers to a complex of a peptide or a salt thereof according to the present invention with a solvent molecule.
• the triple activator may be an isolated peptide comprising an amino acid sequence represented by the following general formula (1).
• Xaa1 is histidine (His, H), 4-imidazoacetyl (CA), or tyrosine (Tyr, Y),
• Xaa2 is glycine (Gly, G), alpha-methyl-glutamic acid, or Aib (aminoisobutyric acid),
• Xaa 3 is glutamic acid (Glu, E) or glutamine (Gln, Q),
• Xaa7 is threonine (Thr, T) or isoleucine (Ile, I),
• Xaa10 is leucine (Leu, L), tyrosine (Tyr, Y), lysine (Lys, K), cysteine (Cys, C), or valine (Val, V),
• Xaa12 is lysine (Lys, K), serine (Ser, S), or isoleucine (Ile, I),
• Xaa13 is glutamine (Gln, Q), tyrosine (Tyr, Y), alanine (Ala, A), or cysteine (Cys, C),
• Xaa14 is leucine (Leu, L), methionine (Met, M), or tyrosine (Tyr, Y),
• Xaa15 is cysteine (Cys, C), aspartic acid (Asp, D), glutamic acid (Glu, E), or leucine (Leu, L),
• Xaa16 is glycine (Gly, G), glutamic acid (Glu, E), or serine (Ser, S),
• Xaa17 is glutamine (Gln, Q), arginine (Arg, R), isoleucine (Ile, I), glutamic acid (Glu, E), cysteine (Cys, C), or lysine (Lys, K),
• Xaa18 is alanine (Ala, A), glutamine (Gln, Q), arginine (Arg, R), or histidine (His, H),
• Xaa19 is alanine (Ala, A), glutamine (Gln, Q), cysteine (Cys, C), or valine (Val, V),
• Xaa20 is lysine (Lys, K), glutamine (Gln, Q), or arginine (Arg, R),
• Xaa21 is glutamic acid (Glu, E), glutamine (Gln, Q), leucine (Leu, L), cysteine (Cys, C), or aspartic acid (Asp, D),
• Xaa23 is isoleucine (Ile, I) or valine (Val, V),
• Xaa24 is alanine (Ala, A), glutamine (Gln, Q), cysteine (Cys, C), asparagine (Asn, N), aspartic acid (Asp, D), or glutamic acid (Glu, E),
• Xaa27 is valine (Val, V), leucine (Leu, L), lysine (Lys, K), or methionine (Met, M),
• Xaa28 is cysteine (Cys, C), lysine (Lys, K), alanine (Ala, A), asparagine (Asn, N), or aspartic acid (Asp, D),
• Xaa29 is cysteine (Cys, C), glycine (Gly, G), glutamine (Gln, Q), threonine (Thr, T), glutamic acid (Glu, E), or histidine (His, H),
• Xaa30 is cysteine (Cys, C), glycine (Gly, G), lysine (Lys, K), or histidine (His, H) or absent,
• R1 is cysteine (Cys, C), GKKNDWKHNIT (SEQ ID NO: 106), m-SSGAPPPS-n (SEQ ID NO: 107), or m-SSGQPPPS-n (SEQ ID NO: 108), or absent,
• m is -Cys-, -Pro-, or -Gly-Pro-,
• n is -Cys-, -Gly-, -Ser-, or -His-Gly- or absent.
• triple activator examples include an amino acid sequence selected from the group consisting of SEQ ID NOs: 1 to 102, but may be (mandatory) consisting of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1 to 102, but is not limited thereto. It doesn't happen.
• Xaa14 may be leucine or methionine
• Xaa15 may be cysteine, aspartic acid, or leucine.
• peptides include, but are not particularly limited to, peptides comprising or consisting essentially of amino acid sequences selected from the group consisting of SEQ ID NOs: 1-12, 14-17, and 21-102.
• Such peptides may significantly activate one or more of the glucagon receptor, the GLP-1 receptor, and the GIP receptor, but are not particularly limited thereto.
• the GLP-1 may be significantly activated, or in addition, the glucagon receptor and / or the GIP receptor may be significantly activated, but is not particularly limited thereto.
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa7 is threonine
• Xaa10 is tyrosine, cysteine, or valine
• Xaa12 is lysine or isoleucine
• Xaa13 is tyrosine, alanine, glutamine, or cysteine,
• Xaa14 is leucine, cysteine, or methionine
• Xaa15 is cysteine, leucine, glutamic acid, or aspartic acid,
• Xaa17 is glutamine, arginine, isoleucine, cysteine, glutamic acid, or lysine,
• Xaa18 is alanine, glutamine, arginine, or histidine
• Xaa19 is alanine, glutamine, valine, or cysteine
• Xaa20 is lysine, arginine, or glutamine
• Xaa21 is glutamic acid, glutamine, leucine, cysteine, or aspartic acid,
• Xaa23 is isoleucine or valine
• Xaa24 is cysteine, alanine, glutamine, asparagine, glutamic acid, or aspartic acid,
• Xaa27 may be a peptide, which is a leucine or lysine, but is not particularly limited thereto.
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa7 is threonine
• Xaa10 is tyrosine, cysteine, or valine
• Xaa12 is lysine or isoleucine
• Xaa13 is tyrosine, alanine, or cysteine
• Xaa14 is leucine or methionine
• Xaa15 is cysteine or aspartic acid
• Xaa17 is glutamine, arginine, isoleucine, cysteine, or lysine,
• Xaa18 is alanine, arginine, or histidine
• Xaa19 is alanine, glutamine, or cysteine
• Xaa20 is lysine or glutamine
• Xaa21 is glutamic acid, cysteine, or aspartic acid
• Xaa23 is valine
• Xaa24 is alanine, glutamine, cysteine, asparagine, or aspartic acid,
• Xaa27 may be leucine or lysine, but is not particularly limited thereto.
• Xaa2 is alpha-methyl-glutamic acid or Aib
• Xaa7 is threonine
• Xaa10 is tyrosine or cysteine
• Xaa12 is lysine or isoleucine
• Xaa13 is tyrosine, alanine, or cysteine
• Xaa14 is leucine or methionine
• Xaa15 is cysteine or aspartic acid
• Xaa16 is glutamic acid
• Xaa17 is arginine, isoleucine, cysteine, or lysine,
• Xaa18 is alanine, arginine, or histidine
• Xaa19 is alanine, glutamine, or cysteine
• Xaa20 is lysine or glutamine
• Xaa21 is glutamic acid or aspartic acid
• Xaa23 is valine
• Xaa24 is glutamine, asparagine, or aspartic acid
• Xaa27 is leucine
• Xaa28 may be cysteine, alanine, asparagine, or aspartic acid.
• Xaa1 is histidine or 4-imidazoacetyl
• Xaa2 is alpha-methyl-glutamic acid or Aib
• Xaa3 is glutamine
• Xaa7 is threonine
• Xaa10 is tyrosine
• Xaa12 is isoleucine
• Xaa13 is alanine or cysteine
• Xaa14 is methionine
• Xaa15 is aspartic acid
• Xaa16 is glutamic acid
• Xaa17 is isoleucine or lysine
• Xaa18 is alanine or histidine
• Xaa19 is glutamine or cysteine
• Xaa20 is lysine
• Xaa21 is aspartic acid
• Xaa23 is valine
• Xaa24 is asparagine
• Xaa27 is leucine
• Xaa28 is alanine or asparagine
• Xaa29 is glutamine or threonine
• Xaa30 may be cysteine or lysine, or absent.
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib,
• Xaa3 is glutamine
• Xaa7 is threonine
• Xaa10 is tyrosine, cysteine, or valine
• Xaa12 is lysine
• Xaa13 is tyrosine
• Xaa14 is leucine
• Xaa15 is aspartic acid
• Xaa16 is glycine, glutamic acid, or serine,
• Xaa17 is glutamine, arginine, cysteine, or lysine
• Xaa18 is alanine, arginine, or histidine
• Xaa19 is alanine or glutamine
• Xaa20 is lysine or glutamine
• Xaa21 is glutamic acid, cysteine, or aspartic acid
• Xaa23 is valine
• Xaa24 is alanine, glutamine, or cysteine
• Xaa27 is leucine or lysine
• Xaa29 may be, but is not particularly limited to, glycine, glutamine, threonine, or histidine.
• Such peptides have a significant degree of activation of the GLP-1 receptor and glucagon receptor, and are higher than the degree of activation of the GIP receptor;
• the degree of activation of the GLP-1 receptor, glucagon receptor and GIP receptor are all significant;
• the degree of activation of the GLP-1 receptor and the GIP receptor is significant, and may correspond to a case where the activation of the glucagon receptor is high, but is not particularly limited thereto.
• the degree of activation of the GLP-1 receptor and the GIP receptor is significant and higher than the level of activation of the glucagon receptor, it is possible to provide a peptide with higher blood sugar control ability with weight loss effect, the GLP-1 receptor, the glucagon receptor and If both the degree of activation of the GIP receptor is significant, there is an advantage that the weight loss effect can be maximized.
• it is not particularly limited thereto.
• Examples of such peptides include SEQ ID NOs: 8, 9, 21-37, 39, 42, 43, 49-61, 64-83, 85, 86, 88, 89, 91-93, 95-102 Peptides comprising or consisting essentially of an amino acid sequence, but are not particularly limited thereto.
• the peptide may include an amino acid sequence represented by the following general formula (2).
• Xaa1 is 4-imidazoacetyl, histidine, or tyrosine;
• Xaa2 is glycine, alpha-methyl-glutamic acid, or Aib;
• Xaa10 is tyrosine, or cysteine
• Xaa13 is alanine, glutamine, tyrosine, or cysteine;
• Xaa14 is leucine, methionine, or tyrosine
• Xaa15 is aspartic acid, glutamic acid, or leucine
• Xaa16 is glycine, glutamic acid, or serine
• Xaa17 is glutamine, arginine, isoleucine, glutamic acid, cysteine, or lysine;
• Xaa18 is alanine, glutamine, arginine, or histidine;
• Xaa19 is alanine, glutamine, cysteine, or valine;
• Xaa20 is lysine, glutamine, or arginine
• Xaa21 is cysteine, glutamic acid, glutamine, leucine, or aspartic acid;
• Xaa23 is isoleucine or valine
• Xaa24 is cysteine, alanine, glutamine, asparagine, or glutamic acid
• Xaa28 is lysine, cysteine, asparagine, or aspartic acid
• Xaa29 is glycine, glutamine, cysteine, or histidine
• Xaa30 is cysteine, glycine, lysine, or histidine
• Xaa31 is proline or cysteine
• Xaa40 is cysteine or absent.
• Xaa13 is alanine, tyrosine, or cysteine
• Xaa15 is aspartic acid or glutamic acid
• Xaa17 is glutamine, arginine, cysteine, or lysine
• Xaa18 is alanine, Arginine, or histidine
• Xaa21 is cysteine, glutamic acid, glutamine, or aspartic acid
• Xaa23 is isoleucine or valine
• Xaa24 is cysteine, glutamine, or asparagine
• Xaa28 is cysteine, asparagine, or aspartic acid
• Xaa29 is glutamine, cysteine, or histidine
• Xaa30 may be cysteine, lysine, or histidine.
• Such peptides include amino acid sequences selected from the group consisting of SEQ ID NOs: 21, 22, 42, 43, 50, 64 to 77, and 95 to 102, more specifically SEQ ID NOs: 21, 22, 42, 43, 50, And peptides comprising or consisting essentially of amino acid sequences selected from the group consisting of 64 to 77, and 96 to 102, but are not particularly limited thereto.
• the peptide may comprise an amino acid sequence of the general formula (3).
• Xaa1 is histidine or tyrosine
• Xaa 2 is alpha-methyl-glutamic acid or Aib;
• Xaa13 is alanine, tyrosine or cysteine
• Xaa17 is arginine, cysteine, or lysine
• Xaa18 is alanine or arginine
• Xaa19 is alanine or cysteine
• Xaa21 is glutamic acid or aspartic acid
• Xaa24 is glutamine or asparagine
• Xaa28 is cysteine or aspartic acid
• Xaa29 is cysteine, histidine, or glutamine
• Xaa30 is cysteine or histidine
• Xaa31 is proline or cysteine
• Xaa40 may be cysteine or absent.
• peptides examples include peptides comprising or consisting essentially of an amino acid sequence selected from the group consisting of SEQ ID NOs: 21, 22, 42, 43, 50, 64-71, 75-77, and 96-102. It may be, but is not particularly limited thereto.
• R1 is cysteine, GKKNDWKHNIT (SEQ ID NO: 106), CSSGQPPPS (SEQ ID NO: 109), GPSSGAPPPS (SEQ ID NO: 110), GPSSGAPPPSC (SEQ ID NO: 111), PSSGAPPPS (SEQ ID NO: 112), PSSGAPPPSG (SEQ ID NO: 113), PSSGAPPPSHG (SEQ ID NO: 114), PSSGAPPPSS (SEQ ID NO: 115), PSSGQPPPS (SEQ ID NO: 116), or PSSGQPPPSC (SEQ ID NO: 117), or may be absent, but is not particularly limited thereto.
• Another aspect for implementing the present invention provides a polynucleotide encoding the isolated peptide, a recombinant expression vector comprising the polynucleotide, and a transformant comprising the polynucleotide or the recombinant expression vector.
• the peptide is as described above.
• the isolated polynucleotide encoding the peptide is a polynucleotide sequence having at least 75%, specifically at least 85%, more specifically at least 90%, more specifically at least 95% sequence identity with the sequence. It is included in the scope of the invention.
• homology is intended to indicate a similar degree of wild type amino acid sequence and wild type nucleic acid sequence, and the comparison of homology is carried out using a comparison program which is visually or easily purchased. Commercially available computer programs can calculate homology between two or more sequences as a percentage. % Homology can be calculated for adjacent sequences.
• the term "recombinant vector” refers to a DNA preparation in which a target peptide, such as a peptide, is operably linked to a suitable regulatory sequence so that the target peptide, such as a peptide, can be expressed in a suitable host.
• the regulatory sequence includes a promoter capable of initiating transcription, any operator sequence for regulating such transcription, a sequence encoding a suitable mRNA ribosomal binding site, and a sequence regulating termination of transcription and translation.
• the recombinant vector can be transformed into a suitable host cell and then replicated or functioned independently of the host genome and integrated into the genome itself.
• the recombinant vector to be used in the present invention is not particularly limited as long as it can be replicated in a host cell, and may be produced using any vector known in the art. Examples of commonly used vectors include natural or recombinant plasmids, cosmids, viruses and bacteriophages.
• the vector usable in the present invention is not particularly limited and known expression vectors can be used.
• the recombinant vector is used to transform host cells to produce the peptide of the present invention.
• Such transformed cells which are also part of the present invention, may be cultured cells or cell lines used for propagation of the nucleic acid fragments and vectors of the invention or used for recombinant production of the peptides of the invention.
• transformation in the present invention means introducing a recombinant vector comprising a polynucleotide encoding a target protein into a host cell to allow the protein encoded by the polynucleotide to be expressed in the host cell.
• the transformed polynucleotide it includes all of them regardless of whether they are inserted into or located outside the chromosome of the host cell.
• the polynucleotide also includes DNA and RNA encoding the target protein.
• the polynucleotide may be introduced in any form as long as it can be expressed by being introduced into a host cell.
• the polynucleotide may be introduced into a host cell in the form of an expression cassette, which is a gene construct containing all the elements necessary for its expression.
• the expression cassette may include a promoter, a transcription termination signal, a ribosomal binding site, and a translation termination signal, which are typically operably linked to the polynucleotide.
• the expression cassette may be in the form of an expression vector capable of self replication.
• the polynucleotide may be introduced into a host cell in its own form, and may be operably linked to a sequence required for expression in the host cell, but is not limited thereto.
• operably linked means that the gene sequence and the promoter sequence to initiate and mediate the transcription of the polynucleotide encoding the peptide of interest in the present invention.
• Suitable hosts for the present invention are not particularly limited as long as they allow expression of the polynucleotide of the present invention.
• Specific examples of hosts that can be used in the present invention include bacteria of the genus Escherichia , such as E. coli ; Bacillus subtilis (Bacillus subtilis) and Bacillus (Bacillus), such as bacteria belonging to the genus; Bacteria of the genus Pseudomonas , such as Pseudomonas putida ; Pichia pastoris , Saccharomyces cerevisiae ), Schizosaccharomyces yeast such as pombe ); Insect cells such as Spodoptera luciferda (Sf9); And animal cells such as CHO, COS, BSC and the like.
• Another embodiment embodying the present invention provides a method for preparing the isolated peptide.
• the peptide is as described above.
• peptides of the present invention can be synthesized by methods well known in the art, such as automatic peptide synthesizers, depending on their length, and can also be produced by genetic engineering techniques.
• peptides of the present invention may be prepared by standard synthetic methods, recombinant expression systems, or any other method of the art.
• peptides according to the invention can be synthesized in a number of ways, including, for example, by the following methods:
• a fusion gene encoding a fusion protein comprising a fusion partner and a peptide is prepared, transformed into a host cell, expressed in the form of a fusion protein, and then using a protease or a compound.
• Peptides can be cleaved and separated from the fusion protein to produce the desired peptide.
• a DNA sequence encoding an amino acid residue that can be cleaved by a protease such as Factor Xa or enterokinase, a compound such as CNBr or hydroxylamine is inserted between the fusion partner and the polynucleotide encoding the peptide. can do.
• Another embodiment embodying the present invention provides a composition comprising the isolated peptide.
• the peptide is as described above.
• the composition may be a pharmaceutical composition, more specifically, the composition may be for the prevention or treatment of metabolic syndrome.
• prevention means any action that inhibits or delays the development of metabolic syndrome by administration of the peptide or composition
• treatment means that the symptoms of metabolic syndrome improve or benefit from administration of the peptide or composition. It means all actions.
• the term "administration" means introducing a predetermined substance into a patient in any suitable manner, and the route of administration of the composition is not particularly limited, but any general route by which the composition can reach a target in vivo.
• metabolic syndrome refers to a symptom of various diseases caused by chronic metabolic disorders alone or in combination.
• diseases corresponding to metabolic syndrome include impaired glucose tolerance, hypercholesterolemia, and abnormalities.
• the term "obesity" is defined as obesity when the body has an excessive amount of fat tissue and the body obesity index (weight (kg) divided by height (m) squared) is 25 or more.
• Obesity is usually caused by energy imbalances when consuming too much nutrients relative to energy consumption over a long period of time.
• Obesity is a metabolic disease that affects the entire body, increasing the likelihood of developing diabetes and hyperlipidemia, increasing the risk of sexual dysfunction, arthritis, and cardiovascular disease, and in some cases, is also associated with cancer.
• the pharmaceutical composition of the present invention may further comprise a pharmaceutically acceptable carrier, excipient or diluent.
• a pharmaceutically acceptable carrier excipient or diluent.
• Such pharmaceutically acceptable carriers, excipients, or diluents may be unnaturally occurring.
• the term "pharmaceutically acceptable” means a sufficient amount and side effects that do not cause a therapeutic effect, the type of disease, the age, weight, health, sex, sensitivity of the patient to the drug It can be easily determined by those skilled in the art according to well-known factors in the medical field, such as the route of administration, the method of administration, the frequency of administration, the duration of treatment, the combination or the drug used concurrently.
• the pharmaceutical composition comprising the peptide of the present invention may further comprise a pharmaceutically acceptable carrier.
• the carrier is not particularly limited, but oral administration may include binders, lubricants, disintegrants, excipients, solubilizers, dispersants, stabilizers, suspending agents, pigments, flavoring agents, and the like.
• buffers, Preservatives, analgesic agents, solubilizers, isotonic agents, stabilizers and the like can be mixed and used.
• bases, excipients, lubricants, preservatives and the like can be used for topical administration.
• Formulations of the compositions of the present invention can be prepared in a variety of mixtures with the pharmaceutically acceptable carriers described above.
• oral administration may be in the form of tablets, troches, capsules, elixirs, suspensions, syrups, wafers, etc., and in the case of injections, may be prepared in unit dosage ampoules or multiple dosage forms.
• other solutions, suspensions, tablets, pills, capsules, sustained release preparations and the like are examples of sustained release preparations and the like.
• suitable carriers, excipients and diluents suitable for formulation include lactose, dextrose, sucrose, sorbitol, mannitol, xylitol, erythritol, maltitol, starch, acacia, alginate, gelatin, calcium phosphate, calcium silicate, cellulose, methyl cellulose, Microcrystalline cellulose, polyvinylpyrrolidone, water, methylhydroxybenzoate, propylhydroxybenzoate, talc, magnesium stearate or mineral oil and the like can be used.
• fillers, anti-coagulants, lubricants, wetting agents, fragrances, preservatives and the like may be further included.
• the pharmaceutical composition of the present invention is any one selected from the group consisting of tablets, pills, powders, granules, capsules, suspensions, liquid solutions, emulsions, syrups, sterile aqueous solutions, non-aqueous solvents, lyophilized preparations and suppositories It may have a formulation of.
• composition may be formulated in a unit dosage form suitable for intrabody administration of a patient, preferably in the form of a formulation useful for the administration of a peptide drug, according to conventional methods in the pharmaceutical art, for administration commonly used in the art.
• the peptide can be used in admixture with various carriers (pharmaceutically acceptable carrier) such as physiological saline or organic solvents, carbohydrates such as glucose, sucrose or dextran, ascorbic acid (ascorbic) to increase the stability or absorption acids) or antioxidants such as glutathione, chelating agents, low molecular weight proteins or other stabilizers can be used as medicaments.
• carriers such as physiological saline or organic solvents, carbohydrates such as glucose, sucrose or dextran, ascorbic acid (ascorbic) to increase the stability or absorption acids) or antioxidants such as glutathione, chelating agents, low molecular weight proteins or other stabilizers can be used as medicaments.
• the dosage and frequency of the pharmaceutical composition of the present invention is determined according to the type of drug which is the active ingredient, along with various related factors such as the disease to be treated, the route of administration, the age, sex and weight of the patient and the severity of the disease.
• the total effective amount of the composition of the present invention may be administered to a patient in a single dose and may be administered by a fractionated treatment protocol which is administered in multiple doses for a long time.
• the pharmaceutical composition of the present invention may vary the content of the active ingredient depending on the extent of the disease.
• the preferred total dose of peptide of the present invention may be from about 0.0001 mg to 500 mg per kg body weight of the patient per day.
• the dose of the peptide is determined by taking into consideration various factors such as the age, weight, health condition, sex, severity of the disease, diet and excretion rate, as well as the route and frequency of treatment of the pharmaceutical composition.
• compositions of the present invention are not particularly limited to its formulation, route of administration and method of administration as long as the effect of the present invention is shown.
• the pharmaceutical composition of the present invention has excellent sustainability and titer in vivo, the frequency and frequency of administration of the pharmaceutical preparations of the present invention can be significantly reduced.
• Another aspect for embodying the present invention is a method of treating a disease in which the isolated peptide or composition comprising the same comprises administering the isolated peptide or composition comprising the same to a subject in need thereof. to provide.
• the disease of interest may be metabolic syndrome.
• the isolated peptide or composition comprising the same, metabolic syndrome and treatment are as described above.
• the individual is a subject suspected of metabolic syndrome (metabolic syndrome), the subject suspected of metabolic syndrome (metabolic syndrome) is a mammal, including rats, livestock, etc., including humans with or may develop the disease Means, the subjects treatable with the peptide of the present invention or the composition comprising the same are included without limitation.
• the method of the present invention may comprise administering a pharmaceutical composition comprising the peptide in a pharmaceutically effective amount.
• Suitable total daily doses may be determined by the treating physician within the scope of good medical judgment and may be administered once or in divided doses.
• the specific therapeutically effective amount for a particular patient is determined by the specific composition, including the type and extent of the reaction to be achieved, whether or not other agents are used in some cases, the age, weight, general health of the patient, It is desirable to apply differently depending on various factors and similar factors well known in the medical field, including sex and diet, time of administration, route of administration and rate of composition, duration of treatment, drugs used with or co-specific with the specific composition.
• Another aspect for practicing the present invention provides the use of said isolated peptide or composition for use in the manufacture of a medicament.
• the medicament may be for the prevention or treatment of metabolic syndrome.
• the isolated peptide or composition and metabolic syndrome are as described above.
• Triple activators were shown that exhibited activity on all GLP-1, GIP and glucagon receptors, and their sequences are shown in Table 1 below.
• the amino acid represented by X is a non-natural amino acid Aib (aminoisobutyric acid), and the underlined amino acid means that the underlined amino acids form a ring with each other.
• Aib amino acid
• CA 4-imidazoacetyl
• Y means tyrosine.
• Example 1 In order to measure the activity of the triple activator prepared in Example 1, a method of measuring cell activity in vitro using a cell line transformed with a GLP-1 receptor, a glucagon (GCG) receptor, and a GIP receptor, respectively, is used. It was.
• Each cell line is transformed to express human GLP-1 receptor, human GCG receptor and human GIP receptor genes in Chinese hamster ovary (CHO), respectively, and is suitable for measuring the activity of GLP-1, GCG and GIP. Therefore, the activity for each part was measured using each transgenic cell line.
• human GLP-1 was serially diluted from 50nM to 0.000048nM by 4 times, and the triple activator prepared in Example 1 was 400nM to 4 times. Diluted serially to 0.00038 nM.
• the culture solution was removed from the cultured human GLP-1 receptor-expressing CHO cells, 5 ⁇ l of each serially diluted material was added to the cells, and 5 ⁇ l of the buffer containing the cAMP antibody was added. Incubated at room temperature. Then, 10 ⁇ l each of the detection mix containing the cell lysis buffer was added to lyse the cells and allowed to react at room temperature for 90 minutes.
• the cell lysate was applied to a LANCE cAMP kit (PerkinElmer, USA) to calculate EC 50 values through accumulated cAMP, and then compared with each other. Relative titers relative to human GLP-1 are shown in Table 2 below.
• human GCG was continuously diluted from 50 nM to 4 times 0.000048 nM, and the triple activator prepared in Example 1 was continuously 400 to 4 times 0.00038 nM. Diluted with.
• the culture solution was removed from the cultured human GCG receptor-expressing CHO cells, 5 ⁇ l of each diluted substance was added to the cells, and 5 ⁇ l of the buffer containing the cAMP antibody was added, followed by room temperature for 15 minutes. Incubated at. Then, 10 ⁇ l each of the detection mix containing the cell lysis buffer was added to lyse the cells and allowed to react at room temperature for 90 minutes.
• the cell lysate was applied to a LANCE cAMP kit (PerkinElmer, USA) to calculate EC 50 values through accumulated cAMP, and then compared with each other. Relative titers relative to human GCG are shown in Table 2 below.
• human GIP was continuously diluted from 50 nM to 0.000048 nM by 4 times, and the triple activator prepared in Example 1 was continuously from 400 nM to 0.00038 nM by 4 times. Diluted with.
• the culture solution was removed from the cultured human GIP receptor-expressing CHO cells, 5 ⁇ l of each diluted substance was added to the cells, and 5 ⁇ l of the buffer containing cAMP antibody was added, followed by room temperature for 15 minutes. Incubated at. Then, 10 ⁇ l each of the detection mix containing the cell lysis buffer was added to lyse the cells and allowed to react at room temperature for 90 minutes.
• the cell lysate was applied to a LANCE cAMP kit (PerkinElmer, USA) to calculate EC 50 values through accumulated cAMP, and then compared with each other. Relative titers relative to human GIP are shown in Table 2 below.
• novel glucagon analogue prepared above functions as a triple activator capable of activating all GLP-1 receptors, GIP receptors and glucagon receptors, and thus can be used as a therapeutic agent for patients with metabolic syndrome including diabetes and obesity. have.

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