WO2022250470A1 - Asm 단백질에 특이적으로 결합하는 항체를 유효성분으로 포함하는 뇌질환 치료용 약학적 조성물 - Google Patents
Asm 단백질에 특이적으로 결합하는 항체를 유효성분으로 포함하는 뇌질환 치료용 약학적 조성물 Download PDFInfo
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- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
- C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
Definitions
- the present invention relates to the use of an antibody that specifically binds to an acid sphingomyelinase (ASM) protein.
- ASM acid sphingomyelinase
- Acid sphingomyelinase (ASM) protein an enzyme that regulates sphingolipid metabolism, is a protein expressed in almost all types of cells and plays an important role in sphingolipid metabolism and cell membrane turnover.
- Korean Patent Registration No. 10-1521117 discloses that inhibiting the activity of overexpressed ASM protein or inhibiting the expression of ASM protein inhibits the accumulation of ⁇ -amyloid and improves learning ability and memory, thereby preventing neurodegenerative diseases. that it can be treated.
- the activity of the ASM protein is recently increased even in neurological diseases such as depression, it has been known that the expression or activity of the ASM protein is suppressed to improve depression.
- tricyclic antidepressants used in the treatment of depression, which include amitriptyline, desipramine, mipramine, and the like. Although these tricyclic antidepressants were not developed as ASM protein inhibitors, various studies have demonstrated that they exhibit an ASM protein inhibitory effect.
- the main pharmacological mechanism of tricyclic antidepressants is to inhibit the reuptake of neurotransmitters in nerve cells to increase their activity, and their action as an ASM inhibitor has been confirmed as a side effect.
- tricyclic antidepressants may cause side effects such as blurred vision, increased light sensitivity, and vomiting by acting on the nervous system and nerve cells.
- the present invention provides a pharmaceutical composition for preventing or treating brain diseases comprising an antibody or antigen-binding fragment thereof that specifically binds to ASM (acid sphingomyelinase) protein as an active ingredient.
- ASM acid sphingomyelinase
- the present invention provides a health functional food for preventing or improving brain diseases comprising an antibody or an antigen-binding fragment thereof that specifically binds to an ASM protein as an active ingredient.
- the present invention provides a method for preventing, improving or treating brain diseases comprising administering an antibody or antigen-binding fragment thereof that specifically binds to an ASM protein to a subject.
- the present invention provides the use of an antibody or antigen-binding fragment thereof that specifically binds to an ASM protein for use in the manufacture of a drug for preventing, improving or treating brain diseases.
- the antibody or antigen-binding fragment thereof according to the present invention specifically binds to the ASM protein with high avidity, significantly inhibits the activity of the ASM protein present in the cell membrane, and improves cognitive memory without toxicity in an Alzheimer's animal model. effect, ASM protein activity inhibitory effect, amyloid- ⁇ and tau protein accumulation inhibitory effect, and neuroinflammation inhibition effect, so it can be usefully used for the treatment of brain diseases.
- 1 is a schematic diagram showing amino acid sequences of heavy and light chain variable regions of an antibody prepared in one embodiment of the present invention.
- Figure 2 is a graph of the result of confirming the binding of the antibody prepared in one embodiment of the present invention with ASM protein by ELISA analysis method.
- Figure 3 is a schematic diagram showing the antigen-binding site to which the antibody prepared in one embodiment of the present invention binds to the ASM protein structure model.
- Figure 4 is a result diagram showing a heat map of deuterium substitution in the ASM protein saposin domain by an antibody prepared in one embodiment of the present invention.
- FIG. 5 is a graph showing the inhibition of the activity of the ASM protein located in the Alzheimer's patient's cell membrane by the antibody prepared in one embodiment of the present invention.
- FIG. 6 is a graph confirming that the antibody prepared in one embodiment of the present invention inhibits the activity of the ASM protein located in the cell membrane of Alzheimer's patients in a concentration-dependent manner.
- FIG. 7 is a graph showing the metabolic changes of sphingomyelin in Alzheimer's patient's cell membrane of the antibody prepared in one embodiment of the present invention.
- FIG. 8 is a schematic diagram showing administration of an antibody prepared in one embodiment of the present invention to an Alzheimer's animal model.
- FIG. 9 is a graph showing the result of performing an aquatic maze experiment on an Alzheimer's disease animal model to which an antibody prepared in one embodiment of the present invention was administered.
- FIG. 10 is a diagram showing the result of confirming the swimming path of an Alzheimer's disease animal model to which an antibody prepared in one embodiment of the present invention was administered.
- FIG. 11 is a graph showing the retention time of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention in the target (A0) or non-target (A1, A2, A3) quadrants.
- FIG. 12 is a graph showing the results of checking the swimming distance (A), swimming speed (B), and the number of times passing the platform (C) of the Alzheimer's animal model to which the antibody prepared in one embodiment of the present invention was administered.
- FIG. 13 is a graph showing the results of a fear condition test according to the situation (A) or atmosphere (B) of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- FIG. 14 is a graph showing the inhibition of ASM activity in blood plasma of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 15 is a graph showing the level of ASM protein in blood plasma of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 16 is a result confirming the expression of dense-core amyloid- ⁇ plaques in the brain cortex or hippocampus of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 17 is a result confirming the expression of high-density and diffuse amyloid- ⁇ plaques in the brain cortex or hippocampus of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 18 is a graph showing the expression of amyloid- ⁇ 40 or amyloid- ⁇ 42 in the brain cortex or hippocampus of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 19 is a result of confirming the expression of tau protein in the brain cortex or hippocampus of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 20 is a result of confirming the expression of lba-1 protein in the brain cortex or hippocampus of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- 21 is a result of confirming the expression of GFAP protein in the brain cortex or hippocampus of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- FIG. 22 is a graph showing the survival rate (A) and weight change (B) of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- FIG. 23 is a diagram confirming the long-term toxicity of an Alzheimer's animal model administered with an antibody prepared in one embodiment of the present invention.
- the present invention provides a pharmaceutical composition for preventing or treating brain diseases comprising an antibody or an antigen-binding fragment thereof that specifically binds to an acid sphingomyelinase (ASM) protein as an active ingredient.
- ASM acid sphingomyelinase
- ASM protein' refers to an enzyme that is one of the sphingomyelinase (SMase) family that regulates sphingolipid metabolism.
- the ASM protein catalyzes the decomposition of sphingomyelin into ceramide and phosphorylcholine, and can be classified as alkaline, neutral or acidic depending on the pH that exhibits optimal enzyme activity.
- the ASM protein may include all types of ASM proteins known in the art. Specifically, the ASM protein may be derived from mammals, and more specifically, may be derived from humans, monkeys, rats, or mice. In addition, the ASM protein may include all amino acid sequences known as ASM proteins in the art. For example, the ASM protein may be a polypeptide consisting of the amino acid sequences shown in SEQ ID NOs: 66 and 67, respectively, or a nucleic acid encoding the same.
- the ASM protein may have one or more amino acids added, deleted, or substituted in the amino acid sequence shown in SEQ ID NO: 66 or 67 as long as it maintains the same or corresponding biological activity.
- the amino acid substitution may be a conservative substitution performed within a range that does not affect or weakens the charge of the entire protein, that is, polarity or hydrophobicity.
- the ASM protein may have a homology of at least 80%, at least 90%, at least 95%, at least 97%, or at least 99% to the amino acid sequences represented by SEQ ID NOs: 66 and 67, respectively.
- the ASM protein may include only a part of the ASM protein as long as it maintains the same or corresponding biological activity.
- the term 'antibody' refers to an immune protein that binds to an antigen and interferes with the action of the antigen or removes the antigen.
- the antibody may include all types of antibodies included in the conventional art.
- the antibody may include IgM, IgD, IgG, IgA, and IgE, each of which may include a heavy chain made from ⁇ , ⁇ , ⁇ , ⁇ , and ⁇ , which are genes encoding heavy chain constant regions.
- IgG is mainly used in antibody technology, which is composed of IgG1, IgG2, IgG3, or IgG4 isotypes, and each of these may have different structural and functional properties.
- the antibody may include both humanized antibodies comprising minimal sequences derived from non-human antibodies, human antibodies composed of sequences derived from humans, or chimeric antibodies in which sequences derived from different species are mixed.
- the IgG can form a very stable Y-shaped structure (about 150 kDa) made of two heavy chain proteins of about 50 kDa and two light chain proteins of about 25 kDa.
- Light chains and heavy chains constituting antibodies may be divided into variable regions having different amino acid sequences and constant regions having the same amino acid sequence.
- the heavy chain constant region includes CH1, hinge (hinge, H), CH2 and CH3 domains, each domain is composed of two ⁇ -sheets ( ⁇ -sheet), linked by intramolecular disulfide bonds can
- the light chain constant region may include a CL domain.
- the antigen binding site may be present on each of the two Y-shaped arms.
- a portion capable of binding to an antigen in a full-length antibody is called an antibody binding fragment (Fab)
- Fab antibody binding fragment
- Fc crystallizable fragment
- Fab and Fc may be hingedly connected.
- the IgG may be mouse-derived IgG, specifically a mouse IgG heavy chain constant region composed of the amino acid sequence set forth in SEQ ID NO: 74 and a mouse composed of the amino acid sequence set forth in SEQ ID NO: 76 light chain ⁇ constant region.
- mouse-derived IgG may include a mouse IgG heavy chain constant region composed of the nucleotide sequence shown in SEQ ID NO: 75 and a mouse light chain ⁇ constant region composed of the nucleotide sequence shown in SEQ ID NO: 77.
- Antibodies according to the present invention may include both full-length antibodies as well as antigen-binding fragments thereof.
- the antigen-binding fragment may refer to a part other than Fc that functions to deliver binding stimuli with an antigen to cells or complement.
- the antigen-binding fragment of an antibody may include both Fab, scFv, F(ab) 2 and Fv, and may also include third-generation antibody fragments such as single domain antibodies or minibodies.
- the antibody or antigen-binding fragment comprises the 53rd to 72nd amino acid fragment, the 101st to 123rd amino acid fragment, the 135th to 159th amino acid fragment, the 135th to 155th amino acid fragment, 218 from the N-terminus of the ASM protein. to 228th amino acid fragment and 259th to 269th amino acid fragment may bind to any one or more epitopes selected from the group consisting of.
- the ASM protein may have the characteristics as described above.
- the 53rd to 72nd amino acid fragment from the N-terminus of the ASM protein may be a polypeptide consisting of the amino acid sequence described in SEQ ID NO: 68 (TAINLGLKKEPNVARVGSVA), and the 101st to 123rd amino acid fragment is SEQ ID NO: 69 (VWRRSVLSPSEACGLLLGSTCGH), the 135th to 159th amino acid fragment may be a polypeptide consisting of the amino acid sequence described in SEQ ID NO: 70 (PTVPKPPPKPPSPPAPGAPVSRILF), and the 135th to 155th amino acid fragment is SEQ ID NO: 71 (PTVPKPPPKPPSPPAPGAPVS), the 218th to 228th amino acid fragment may be a polypeptide consisting of the amino acid sequence described in SEQ ID NO: 72 (SGLGPAGPFDM), and the 259th to 269th amino acid fragment is SEQ ID NO: 73 (VRKFLGPVPVY). That is,
- epitope is a specific site of an antigen at which an antibody can identify an antigen, and refers to a determining site of an antigen to which an antibody can specifically bind.
- the epitope is commonly used in the same sense as the term antigenic determinant.
- the epitope consists of a group of chemically active surface molecules, such as amino acids or sugar side chains, and generally has specific three-dimensional structural characteristics as well as specific charge characteristics.
- the antibody or antigen-binding fragment thereof is a heavy chain CDR1 consisting of the amino acid sequence set forth in SEQ ID NO: 61 (X 1 YX 2 MS), a heavy chain CDR2 consisting of the amino acid sequence set forth in SEQ ID NO: 62 (X 3 IX 4 X 5 X 6 X 7 X 8 X 9 X 10 YYADSVKG), and a heavy chain variable region comprising a heavy chain CDR3 selected from the group consisting of amino acid sequences set forth in SEQ ID NOs: 27, 30, 33, 36, 39 and 42, respectively.
- a light chain CDR1 consisting of the amino acid sequence set forth in SEQ ID NO: 63 (X 11 GSSSNIGX 12 NX 13 VX 14 ), a light chain CDR2 consisting of the amino acid sequence set forth in SEQ ID NO: 64 (X 15 X 16 X 17 X 18 RPS), and a sequence It may include a light chain variable region including a light chain CDR3 (X 19 X 20 WDX 21 SLX 22 X 23 YV) consisting of the amino acid sequence described in No. 65.
- CDR complementarity determining region
- the term 'complementarity determining region (CDR)' refers to a hypervariable region, which is a region having different amino acid sequences for each antibody in the heavy and light chain variable regions of an antibody, and refers to a region that actually binds to an antigen.
- the CDRs are located on the surface of the antibody in a loop shape, and a framework region (FR) that structurally supports them may be present under the loop.
- FR framework region
- Each of the heavy chain and the light chain has three ring structures, and these six ring structures can be combined to make direct contact with an antigen.
- CDRs, which are antigen binding sites having the six ring structures may be referred to as heavy chain CDR1, heavy chain CDR2, heavy chain CDR3, light chain CDR1, light chain CDR2, or light chain CDR3, respectively, for convenience.
- X 1 and X 2 may be selected from acidic and neutral amino acids, respectively.
- X 1 may be an acidic or neutral amino acid
- X 2 may be a neutral amino acid.
- X 1 and X 2 are asparagine (Asn), glycine (Gly), serine (Ser), aspartic acid (Asp), alanine (Ala) and tyrosine, respectively. (tyrosine, Tyr).
- X 1 may be asparagine, glycine, serine or aspartic acid
- X 2 may be alanine or tyrosine
- the heavy chain CDR1 may be composed of the amino acid sequence described in SEQ ID NO: 25, 28, 31, 34, 37 or 40.
- X 3 to X 10 may be selected from neutral and basic amino acids, respectively.
- X 3 and X 4 to X 9 may each be a neutral amino acid
- X 10 may be a neutral or basic amino acid.
- the X 3 to X 10 are each glycine, leucine (leucine, Leu), alanine, serine, tyrosine, proline (proline, Pro), asparagine, lysine (lysine, Lys) and isoleucine (isoleucine, Ile).
- X 3 may be glycine, leucine, alanine or serine
- X 4 may be tyrosine or serine
- X 5 may be proline or tyrosine
- X 6 may be asparagine or glycine
- X 7 and X 8 may each be glycine or serine
- X 9 may be asparagine or serine
- X 10 may be lysine or isoleucine.
- the heavy chain CDR2 may be composed of the amino acid sequence described in SEQ ID NO: 26, 29, 32, 35, 38 or 41.
- X 11 to X 14 in the light chain CDR1 (X 11 GSSSNIGX 12 NX 13 VX 14 ) composed of the amino acid sequence set forth in SEQ ID NO: 63 may be selected from neutral amino acids.
- each of X 11 to X 14 may be selected from the group consisting of threonine (Threonine, Thr), serine, asparagine, alanine, proline, and tyrosine.
- X 11 may be threonine or serine
- X 12 may be asparagine or serine
- X 13 may be alanine, proline, threonine or tyrosine
- X 14 may be asparagine, tyrosine or serine.
- the light chain CDR1 may be composed of the amino acid sequence described in SEQ ID NO: 43, 46, 49, 52, 55 or 58.
- X 15 to X 18 in the light chain CDR2 (X 15 X 16 X 17 X 18 RPS) composed of the amino acid sequence set forth in SEQ ID NO: 64 may be selected from acidic, basic, and neutral amino acids, respectively.
- X 15 and X 16 may each be an acidic or neutral amino acid
- X 17 may be a neutral amino acid
- X 18 may be a basic or neutral amino acid.
- each of X 15 to X 18 may be selected from the group consisting of tyrosine, alanine, aspartic acid, serine, asparagine, histidine (His), glutamine (Gln), and lysine.
- X 15 may be tyrosine, alanine, aspartic acid or serine
- X 16 may be aspartic acid or asparagine
- X 17 may be serine or asparagine
- X 18 may be histidine, glutamine or lysine.
- the light chain CDR2 may be composed of the amino acid sequence described in SEQ ID NO: 44, 47, 50, 53, 56 or 59.
- X 19 to X 23 in the light chain CDR3 (X 19 X 20 WDX 21 SLX 22 X 23 YV) consisting of the amino acid sequence set forth in SEQ ID NO: 65 may be selected from neutral amino acids.
- X 19 to X 23 may be selected from the group consisting of glycine, alanine, serine, threonine, tyrosine, aspartic acid, and asparagine.
- X 19 may be glycine or alanine
- X 20 may be alanine, serine or threonine
- X 21 may be tyrosine, serine, alanine or aspartic acid
- X 22 may be serine or asparagine
- X 23 can be alanine or glycine.
- the light chain CDR3 may be composed of the amino acid sequence described in SEQ ID NO: 45, 48, 51, 54, 57 or 60.
- the antibody or antigen-binding fragment thereof comprises a heavy chain CDR1 selected from the group consisting of amino acid sequences set forth in SEQ ID NOs: 25, 28, 31, 34, 37 and 40, SEQ ID NOs: 26, 29, 32, 35 . area; And a light chain CDR1 selected from the group consisting of amino acid sequences set forth in SEQ ID NOs: 43, 46, 49, 52, 55 and 58, respectively, from the group consisting of amino acid sequences set forth in SEQ ID NOs: 44, 47, 50, 53, 56 and 59, respectively. It may include a light chain variable region including a selected light chain CDR2 and a light chain CDR3 selected from the group consisting of the amino acid sequences set forth in SEQ ID NOs: 45, 48, 51, 54, 57 and 60, respectively.
- the antibody or antigen-binding fragment thereof comprises a heavy chain variable region comprising heavy chain CDR1, CDR2 and CDR3 consisting of the amino acid sequences shown in SEQ ID NOs: 25, 26 and 27, respectively, and the amino acid sequences shown in SEQ ID NOs: 28, 29 and 30, respectively.
- a light chain variable region comprising a light chain CDR1 consisting of the amino acid sequences set forth in SEQ ID NOs: 49, 50 and 51, a light chain variable region comprising CDR2 and CDR3, and an amino acid sequence set forth in SEQ ID NOs: 52, 53 and 54, respectively.
- a light chain variable region comprising light chain CDR1, CDR2 and CDR3, a light chain variable region comprising light chain CDR1, CDR2 and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 55, 56 and 57, respectively, and SEQ ID NOs: 58, 59 and 60 It may include a light chain variable region selected from the group consisting of light chain variable regions comprising light chain CDR1, CDR2 and CDR3 each consisting of the amino acid sequences described above.
- the antibody or antigen-binding fragment thereof comprises a heavy chain variable region comprising heavy chain CDR1, CDR2 and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 25, 26 and 27, respectively, and amino acids set forth in SEQ ID NOs: 43, 44 and 45, respectively.
- a light chain variable region comprising light chain CDR1, CDR2 and CDR3 consisting of sequences;
- a heavy chain variable region comprising heavy chain CDR1, CDR2, and CDR3 composed of the amino acid sequences set forth in SEQ ID NOs: 28, 29, and 30, and light chain CDR1, CDR2, and CDR3 composed of the amino acid sequences set forth in SEQ ID NOs: 46, 47, and 48, respectively.
- a light chain variable region comprising a; A heavy chain variable region comprising heavy chain CDR1, CDR2, and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 31, 32, and 33, respectively, and light chain CDR1, CDR2, and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 49, 50, and 51, respectively.
- a light chain variable region comprising a; A heavy chain variable region comprising heavy chain CDR1, CDR2, and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 34, 35, and 36, respectively, and light chain CDR1, CDR2, and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 52, 53, and 54, respectively.
- a light chain variable region comprising a; A heavy chain variable region comprising heavy chain CDR1, CDR2, and CDR3 composed of the amino acid sequences set forth in SEQ ID NOs: 37, 38, and 39, respectively, and light chain CDR1, CDR2, and CDR3 composed of the amino acid sequences set forth in SEQ ID NOs: 55, 56, and 57, respectively.
- a light chain variable region comprising a; Or a heavy chain variable region comprising heavy chain CDR1, CDR2 and CDR3 consisting of the amino acid sequences set forth in SEQ ID NOs: 40, 41 and 42, respectively, and light chain CDR1, CDR2 and It may include a light chain variable region including CDR3.
- the heavy chain variable region may be a polypeptide consisting of the amino acid sequence described in SEQ ID NO: 1, 3, 5, 7, 9 or 11, and the light chain variable region may be SEQ ID NO: 13, 15, 17, 19, 21 or It may be a polypeptide consisting of the amino acid sequence set forth in 23.
- the antibody or antigen-binding fragment thereof according to the present invention may be modified as necessary.
- the antibody or antigen-binding fragment thereof may be modified by conjugation, glycosylation, label attachment, or a combination thereof.
- the antibody or antigen-binding fragment thereof is HRP (horseradish peroxidase), alkaline phosphatase, hapten, biotin, streptavidin, fluorescent material, radioactive material, quantum dot, PEG (polyethylene glycol), histidine label etc. can be transformed.
- the antibody or antigen-binding fragment thereof may be conjugated with other drugs, if necessary.
- the antibody or antigen-binding fragment thereof may be prepared according to a method for preparing a monoclonal antibody known in the art, and the method may be appropriately modified by a person skilled in the art.
- the antibody may be prepared by preparing a hybridoma using B lymphocytes obtained from an animal immunized with the antigen, or may be prepared using phage display technology.
- the antibody or antigen-binding fragment thereof included in the pharmaceutical composition according to the present invention may include a nucleic acid encoding the antibody or antigen-binding fragment thereof. Since the amino acid sequence constituting the antibody or antigen-binding fragment thereof is known, the nucleic acid sequence encoding it is also apparent to those skilled in the art. In addition, the nucleic acid sequence may have one or more bases added, deleted, or substituted as long as the activity of the antibody or antigen-binding fragment thereof translated therefrom is maintained.
- the pharmaceutical composition according to the present invention may include an expression vector containing a nucleic acid encoding the antibody or antigen-binding fragment thereof.
- the term 'expression vector' is a means for expressing a gene of interest in a host cell and may include all of a plasmid vector, a cosmid vector, a bacteriophage vector, a viral vector, and the like.
- the expression vector may include elements necessary for generating a peptide from a nucleic acid contained therein.
- the expression vector may include a signal sequence, an origin of replication, a marker gene, a promoter, a transcription termination sequence, and the like.
- the nucleic acid encoding the antibody or antigen-binding fragment thereof according to the present invention may be operatively linked to a promoter.
- an expression vector used in a prokaryotic cell may include a promoter for promoting transcription, a ribosome binding site for initiation of translation, and termination sequences for transcription and translation.
- expression vectors used in eukaryotic cells may include a promoter and polyadenylation sequences derived from mammals or mammalian viruses.
- the marker gene included in the expression vector any marker gene known in the art may be used, and specifically, it may be an antibiotic resistance gene.
- the antibiotic resistance gene may be a gene showing resistance to antibiotics including ampicillin, gentamicin, carbenicillin, chloramphenicol, streptomycin, kanamycin, neomycin, tetracycline, and the like.
- the pharmaceutical composition according to the present invention may contain, as an active ingredient, a host cell containing a nucleic acid or an expression vector as described above.
- a host cell all types of cells known in the art can be used to produce antibodies or antigen-binding fragments thereof.
- the host cell may be a prokaryotic cell, yeast or eukaryotic cell.
- the prokaryotic cell may include Escherichia coli ( E.
- yeast may include Saccharomyces cerevisiae, etc.
- the eukaryotic cells are COS-7, BHK, CHO, CHOK1, DXB-11, DG-44, CHO/-DHFR, CV1, HEK293, TM4, VERO, HELA, MDCK, BRL 3A, W138, Hep G2, SK -Hep, MMT, TRI, MRC 5, FS4, 3T3, RIN, A549, PC12, K562, PERC6, SP2/0, NS-0, U20S, and HT1080.
- the host cell may be transfected with the nucleic acid or expression vector as described above according to a method known in the art.
- the transfection is transient transfection, microinjection, transduction, cell fusion, calcium phosphate precipitation, liposome-mediated transfection, DEAE dextran-mediated transfection (DEAE dextran-mediated transfection), polybrene-mediated transfection (polybrene-mediated transfection), electroporation, gene gun (gene gun), and the like.
- the method can be appropriately modified by a person skilled in the art.
- the brain disease may include all types of brain diseases known in the art, and specifically, the brain disease may be a degenerative brain disease.
- the degenerative brain disease may be a disease in which the expression or aggregation level of amyloid- ⁇ is higher than normal or at risk of being higher.
- the degenerative brain diseases include dementia, Alzheimer's disease, Parkinson's disease, Huntington's disease, mild cognitive impairment, cerebral amyloid angiopathy, Down's syndrome, amyloidogenic stroke, systemic amyloidosis, Dutch-type amyloidosis, Niemann-Pick disease, Senile dementia, amyotrophic lateral sclerosis, spinocerebellar atrophy, Tourette's syndrome, Friedrich's Ataxia, Machado-Joseph's disease, Lewy It could be corpuscular dementia, dystonia, progressive supranuclear palsy or frontotemporal dementia.
- the pharmaceutical composition according to the present invention may include 10 to 95% by weight of an antibody or antigen-binding fragment thereof that specifically binds to ASM protein, which is an active ingredient, based on the total weight of the composition.
- the pharmaceutical composition of the present invention may further include at least one active ingredient exhibiting the same or similar function in addition to the above active ingredient.
- the pharmaceutical composition of the present invention may include carriers, diluents, excipients, or mixtures thereof commonly used in biological preparations.
- Any pharmaceutically acceptable carrier may be used as long as it is suitable for delivering the composition in vivo.
- the carrier is described in Merck Index, 13th ed., Merck & Co. Inc., saline, sterile water, Ringer's solution, dextrose solution, maltodextrin solution, glycerol, ethanol or mixtures thereof.
- conventional additives such as antioxidants, buffers, bacteriostatic agents and the like may be added as needed.
- diluents or excipients such as commonly used fillers, extenders, binders, wetting agents, disintegrants, and surfactants may be added.
- the composition of the present invention may be formulated as an oral preparation or a parenteral preparation.
- Oral preparations may include solid preparations and liquid preparations.
- the solid preparation may be a tablet, pill, powder, granule, capsule or troche, and such a solid preparation may be prepared by adding at least one excipient to the composition.
- the excipient may be starch, calcium carbonate, sucrose, lactose, gelatin or mixtures thereof.
- the solid preparation may include a lubricant, examples of which include magnesium stearate and talc.
- the liquid formulation may be a suspension, internal solution, emulsion or syrup. In this case, the liquid formulation may include excipients such as wetting agents, sweeteners, fragrances, and preservatives.
- the parenteral formulation may include injections, suppositories, powders for respiratory inhalation, aerosols for sprays, powders and creams, and the like.
- the injection may include a sterilized aqueous solution, a non-aqueous solvent, a suspending agent, an emulsion, and the like.
- vegetable oils such as propylene glycol, polyethylene glycol, and olive oil, or injectable esters such as ethyl oleate may be used as non-aqueous solvents or suspending solvents.
- the present invention provides a health functional food for preventing or improving brain diseases comprising an antibody or an antigen-binding fragment thereof that specifically binds to an ASM protein as an active ingredient.
- Antibodies or antigen-binding fragments thereof specifically binding to the ASM protein included as an active ingredient in the health functional food according to the present invention may have characteristics as described above.
- the antibody or antigen-binding fragment thereof that specifically binds to the ASM protein of the present invention can be added to food as it is or used together with other food or food ingredients.
- the content of the active ingredient added may be determined according to the purpose, and may generally be 0.01 to 90 parts by weight of the total food weight.
- the form and type of health functional food is not particularly limited.
- the health functional food may be in the form of tablets, capsules, powders, granules, liquids and pills.
- the health functional food may include various flavors, sweeteners, or natural carbohydrates as additional ingredients.
- the sweetener may be a natural or synthetic sweetener, and examples of the natural sweetener include thaumatin and stevia extract.
- examples of synthetic sweeteners include saccharin and aspartame.
- the natural carbohydrates may be monosaccharides, disaccharides, polysaccharides, oligosaccharides and sugar alcohols.
- the health functional food of the present invention in addition to the above-mentioned additional ingredients, nutrients, vitamins, electrolytes, flavoring agents, coloring agents, pectanes and salts thereof, alginic acid and salts thereof, organic acids, protective colloidal thickeners, pH adjusting agents, stabilizers, and preservatives , glycerin, alcohol, and the like may be further included. These components may be used independently or in combination.
- the ratio of the additives may be selected in the range of 0.01 to 0.1 parts by weight per 100 parts by weight of the composition of the present invention.
- the present invention provides a method for preventing, improving or treating brain diseases comprising administering an antibody or antigen-binding fragment thereof that specifically binds to an ASM protein to a subject.
- the antibody or antigen-binding fragment thereof specifically binding to the ASM protein used in the method for preventing, improving or treating brain diseases according to the present invention may have the characteristics described above.
- the subject may be a mammal, specifically a human.
- the administration may be administered orally or parenterally depending on the desired method.
- Parenteral administration may include intraperitoneal, intrarectal, subcutaneous, intravenous, intramuscular or intrathoracic injection modes.
- the administration may be administered in a pharmaceutically effective amount. This may vary depending on the type and severity of the disease, the activity of the drug, the patient's sensitivity to the drug, the administration time, the route of administration, the treatment period, and the drugs used simultaneously. However, for desirable effects, the amount of the active ingredient included in the pharmaceutical composition according to the present invention may be 0.0001 to 1,000 mg/kg, specifically 0.001 to 500 mg/kg. The administration may be once or several times a day.
- the administration may be administered alone or in combination with other therapeutic agents.
- administration can be sequential or simultaneous.
- the present invention provides the use of an antibody or antigen-binding fragment thereof that specifically binds to an ASM protein for use in the manufacture of a drug for preventing, improving or treating brain diseases.
- Antibodies or antigen-binding fragments thereof specifically binding to ASM proteins used in the preparation of drugs for preventing, improving or treating brain diseases according to the present invention may have the characteristics as described above.
- Example 1 Construction of an antibody that specifically binds to ASM (acid sphingomyelinase) protein
- Antibodies specifically binding to human ASM protein SEQ ID NO: 66
- mouse ASM protein SEQ ID NO: 67
- panning is performed in a conventional manner using recombinant human and mouse ASM proteins and a human synthetic scFv-phage library to select phage having an scFv that specifically binds to human ASM protein or mouse ASM protein.
- the nucleic acid sequence encoding the selected scFv was analyzed, and the resulting amino acid sequence was identified.
- a mouse heavy chain constant region and a mouse light chain ⁇ constant region composed of the nucleotide sequences set forth in SEQ ID NOs: 75 and 77 are located at the carboxy terminus of each of the heavy chain variable region and light chain variable region of the identified scFv sequence.
- An expression vector was constructed so as to be expressed in a concatenated form.
- amino acid sequence and nucleic acid sequence of the heavy chain variable region constituting the scFv included in the constructed expression vector are shown in Table 1 below, and the amino acid sequence and nucleic acid sequence of the light chain variable region are shown in Table 2 below.
- Antibodies order sequence number #9101 EVQLLESGGGLVQPGGSLRLSCAASGFTFSNYAMSWVRQAPGKGLEWVSGIYPNGGNKYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKNAYRFDYWGQGTLVTVSS SEQ ID NO: 1 GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCAATTATGCTATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGGGATCTATCCTAATGGTGGTAATAAATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAATTCCAAGAACACGCTGTATCTGCAAATGAACAATTCCAAGAACACGCTGTATCTGCAAATGAACAATTCCAAGAACACGCTGTATCTGCAAATGAACAATTCCAAGA
- a mammalian expression vector was used as the expression vector.
- the constructed expression vector was transformed into CHO or HEK293 cell lines to prepare full-length antibodies that bind to human ASM protein or both human and mouse ASM proteins.
- the complementarity-determining regions were confirmed by a conventional method, and as a result, the CDR sequences of the heavy chain variable region are shown in Table 3 and the CDR sequences of the light chain variable region are shown in Table 4.
- the binding of the antibody specifically binding to the ASM protein prepared above to the ASM protein was confirmed by ELISA analysis.
- the plate was washed three times with PBS containing 0.05% Tween, and 100 ⁇ l of goat-anti-mouse IgG-HRP (Jackson Immunoresearch) antibody was added as a secondary antibody. This was reacted again at 37° C. for 1 hour, and washed three times with PBS containing 0.05% Tween. 100 ⁇ l of TMB substrate (tetramethylbenzidine) was added thereto, followed by additional reaction at room temperature for 5 minutes, the reaction was stopped with 100 ⁇ l of 2 N sulfuric acid solution, and absorbance was measured at a wavelength of 450 nm. As a result, the measured absorbance is shown in FIG. 2, and the EC 50 value of the antibody calculated from the absorbance value is shown in Table 5.
- TMB substrate tetramethylbenzidine
- the binding affinity and interaction kinetics of the antibody specifically binding to the ASM protein prepared above with the ASM protein were measured using the Octet ® QK384 system (Pall Life Sciences).
- a solution in which the ASM protein was diluted was added to an AR2G sensor having an activated carboxy group to obtain an AR2G sensor immobilized with a recombinant human or mouse ASM protein.
- 1 M ethanolamine (ForteBio) was added to the sensor to which the obtained ASM protein was immobilized to inactivate unreacted residual carboxy groups.
- the antibody prepared in Example 1 at a concentration of 0.4, 2 or 10 nM was added thereto, and the binding phase of the reaction was observed for about 900 seconds. Then, 1 ⁇ kinetics buffer (ForteBio) was added, and the separated phase of the reaction was observed for about 1,200 seconds.
- association constant (Kon), dissociation constant (Kdis), and equilibrium dissociation constant (KD) for each antibody were determined using Octet ® analysis software (Pall Life Sciences).
- Kh association constant
- Kdis dissociation constant
- KD equilibrium dissociation constant
- Example 6 the five types of antibodies prepared in Example 1 bound to the human ASM protein with an avidity of 10 ⁇ 10 to 10 ⁇ 9 M.
- Table 7 only antibodies #9102, #9104 or #9108 showed binding affinity of 10 -10 to 10 -9 M for mouse ASM protein.
- the antigenic determinant region which is the region where the antibody according to the present invention binds to the ASM protein, was confirmed by HDX-MS (hydrogen deuterium exchange mass spectrometry).
- 1,000 ⁇ g/ml of ASM protein 1,000 ⁇ g/ml of #9101 mIgG1, 1,250 ⁇ g/ml of #9102 mIgG2, 1,000 ⁇ g/ml of #9104 mIgG4, 1,000 ⁇ g/ml of #9108 mIgG1, 3,300 ⁇ g/ml of #9113 mIgG1 or 2,932 ⁇ g/ml of #9123 mIgG1 antibody were serially diluted two-fold to a 128-fold dilution.
- 1 ⁇ l of the prepared dilution was mixed with an equal amount of 10 mg/ml synapinic acid matrix (K200 MALDI kit, CovalX), and 1 ⁇ l of the mixture was dispensed onto a SCOUT 384 MALDI plate and crystallized at room temperature. Then, the crystals were measured using a MALDI mass spectrometer.
- 1 ⁇ l of a 128-fold dilution was mixed with an equal amount of 2 mg/ml K200 stabilizing solution (K200 stabilizer reagent, K200 MALDI kit, CovalX), , which was reacted at room temperature for 3 hours.
- the antibody according to the present invention is the 53rd to 72nd amino acid fragment from the N-terminus of the ASM protein (SEQ ID NO: 68: TAINLGLKKEPNVARVGSVA), the 101st to 123rd amino acid fragment (SEQ ID NO: 69: VWRRSVLSPSEACGLLLGSTCGH) , 135 to 159 amino acid fragment (SEQ ID NO: 70: PTVPKPPPKPPSPPAPGAPVSRILF), 135 to 155 amino acid fragment (SEQ ID NO: 71: PTVPKPPPKPPSPPAPGAPVS), 218 to 228 amino acid fragment (SEQ ID NO: 72: SGLGPAGPFDM) or 259 to 269 amino acid fragment ( SEQ ID NO: 73: VRKFLGPVPVY).
- the antibody according to the present invention mainly bound to ⁇ -helix 1 and ⁇ -helix 2 of the saposin domain.
- fibroblasts of Alzheimer's patients were treated with the antibody prepared in Example 1 at a concentration of 3 ⁇ g/ml and reacted at 37° C. for 24 hours. Thereafter, the cells were collected, and cell membranes were separated and proteins were extracted using the Mem-PERTM Plus Membrane Protein Extraction Kit (Thermo) according to the manufacturer's protocol. Using the extracted protein as a sample, it was put into an insert for UPLC, and UPLC analysis (Waters, 186004800) was performed in a conventional manner, and the results are shown in FIG. 5 . At this time, as a control, #9105 antibody, which was confirmed not to bind to the ASM protein, was used.
- UPLC analysis Waters, 186004800
- antibody #9104 significantly suppressed the increased activity of ASM protein in the cell membrane of Alzheimer's patients.
- ASM protein activity inhibition rate (%) #9104 #9105 0.03 0 - 0.3 7.9 - 3 16 - 30 21 - 300 28 - 3,000 32 9
- the #9104 antibody according to the present invention significantly inhibited the activity of the ASM protein located in the cell membrane in a concentration-dependent manner.
- the #9105 antibody used as a control slightly inhibited the activity of the ASM protein located in the cell membrane only when treated at a concentration of 3,000 ng/ml or more.
- the content of ceramide present in the cell membrane of fibroblasts of Alzheimer's patients was significantly decreased by the treatment with antibody #9104, but the content of sphingomyelin was not significantly changed.
- the antibody according to the present invention inhibits the degradation of sphingomyelin by ASM protein.
- Antibody #9104 was administered to APP/PS1 mice, which are an animal model for Alzheimer's disease, and changes in cognitive memory of the mice were confirmed.
- 7-month-old APP/PS1 mice were intraperitoneally administered with 324 ⁇ l of #9104 antibody at a dose of 50 mg/kg for 8 weeks. Administration was performed twice a week (3 days apart), and #9104 antibody was administered a total of 16 times (FIG. 8). At this time, the case where no treatment was given to offspring born from the mating of C57BL/6 mice and APP/PS1 mice was used as an untreated control group, and the case where APP/PS1 mice were treated with 324 ⁇ l of PBS was used as a negative control group.
- a behavioral function test was performed from the 41st day to the last day of antibody #9104 administration, and changes in cognitive memory due to antibody administration were confirmed.
- mice in the negative control group exhibited an average escape delay time of 30 seconds, resulting in impaired cognitive function, and mice in the untreated control group showed a reduced escape delay time while repeating the test.
- the group administered with the #9104 antibody showed a 31.5% reduction in escape delay at the 9th round and a 30.8% reduction at the 10th round, compared to the mice of the negative control group.
- mice administered with #9104 antibody significantly increased the retention time in the target quadrant compared to the retention time in the non-target quadrant. This was similar to the untreated control and differed from the negative control with little difference in retention time in the target and non-target quadrants.
- FIG. 12C it was confirmed that the number of crossing platforms (crossing platform) significantly increased in the group administered with the #9104 antibody, whereas it decreased in the negative control group.
- Figures 12A and 12B it was confirmed that the swimming distance and speed were similar in all mouse groups, indicating that the administration of antibody #9104 did not affect exercise capacity.
- Antibody #9104 was administered at a dose of 50 mg/kg to APP/PS1 mice, which are an animal model for Alzheimer's disease, and changes in cognitive memory of the mice were confirmed. In the experiment, antibody #9104 was administered in the same manner as in Experimental Example 6-1, and a contextual and cued fear conditioning test was performed in a conventional manner, and the results are shown in FIG. 13 .
- the antibody according to the present invention significantly improved cognitive memory in Alzheimer's animal models.
- the activity of the ASM protein present in the blood and brain tissue of the animal model in which cognitive memory improvement was confirmed in Experimental Example 6 was confirmed. Specifically, UPLC was performed in the same manner as described in Experimental Example 4-1 by obtaining proteins from blood plasma of mice by a conventional method and using the obtained proteins as samples. As a result, the ASM activity (%) of untreated control mice and #9104-administered mice was calculated based on the ASM protein activity of negative control mice, and the results are shown in FIG. 14 .
- ELISA analysis was performed to confirm that the suppression of the activity of the ASM protein identified in Experimental Example 7-1 was due to a decrease in the expression level of the protein.
- the experiment was performed using the blood plasma tissue obtained in Experimental Example 7-1 as a sample and analyzed according to the manufacturer's protocol using a mouse ASM ELISA kit (Mybiosource), and the results are shown in FIG. 15 .
- the concentration of ASM protein was significantly increased in the mice administered with antibody #9104, rather than in the untreated control group or the negative control group.
- the antibody according to the present invention significantly inhibits the activity of ASM protein without affecting its concentration.
- amyloid- ⁇ present in the brain tissue of the animal model confirmed to improve cognitive memory in Experimental Example 6 was Western blotted using tioflavin-S staining and 6E10 antibody, and ELISA analysis was performed as follows. confirmed together.
- the animal model of Experimental Example 6 was anesthetized with 2.5% avertin, and blood was obtained from the heart using a 1 cc syringe by opening the chest cavity. After obtaining blood, perfusion was performed with 20 ml of PBS, and additional perfusion was performed with 20 to 30 ml of 4% paraformaldehyde (PFA). The brains of the mice were excised, placed in a 4% PFA solution and left overnight, and the tissues were sectioned to a thickness of 30 ⁇ m using a vibratome. After putting the obtained brain tissue slices in a 12-well plate, 1 ml of PBS solution was added and stirred at room temperature at 33 rpm for 5 minutes.
- PFA paraformaldehyde
- the PBS solution was removed, and 500 ⁇ l of 0.5% thioflavin-S reagent diluted in ethanol was applied to stain A ⁇ plaques for 10 minutes. Thereafter, the sections were washed twice with 50% ethanol and washed once with 1 ml of PBS solution. Mounting medium (mount media) containing DAPI was added thereto and mounted.
- the brain tissue sections were placed in a 12-well plate, 1 ml of PBS solution was added, stirred at room temperature at 33 rpm for 5 minutes, and the PBS solution was removed. A PBS solution containing 1 ml of 0.2% Triton X-100 was added thereto and stirred for 1 hour at 33 rpm. After stirring, the PBS solution containing Triton X-100 was removed, and the mixture was pretreated with a PBS solution containing 0.05% Triton X-100 for 1 hour.
- 6E10 antibody (Biolegend) was mixed with a PBS solution containing 0.05% Triton X-100 in a volume ratio of 1:1 to the pretreated brain tissue slices and added in an amount of 500 ⁇ l. It was stirred and reacted at 4°C overnight, and washed three times with a PBS solution containing Triton X-100. The mouse-488 secondary antibody was treated and reacted for 2 hours at room temperature, followed by washing three times with a PBS solution containing Triton X-100. Mounting medium (mount media) containing DAPI was added thereto and mounted.
- the brain tissue obtained above was separated into cortex and hippocampus, RIPA buffer containing 100 mM PMSF and 1% protease inhibitor was added, and the tissue was homogenized.
- the homogenized tissue was centrifuged for 10 minutes at 4°C and 13,000 rpm to obtain a supernatant.
- the obtained supernatant was further centrifuged for 30 minutes under the same conditions to obtain the supernatant again, and using it as a sample, A ⁇ was tested with the amyloid- ⁇ 40 ELISA kit (KHB3481, invitrogen) and the amyloid- ⁇ 42 ELISA kit (KHB3441, invitrogen). The level of was measured. After that, the obtained results are shown in FIG. 18 .
- a ⁇ 40 present in the brain cortex and hippocampus was decreased by 30.9% and 30.9%, respectively, by antibody #9104, which was significant compared to the negative control group.
- a ⁇ 42 was also significantly decreased by administration of the #9104 antibody compared to the negative control.
- the amount of tau protein present in the brain cortex and hippocampus was significantly reduced by treatment with the #9104 antibody.
- the antibody according to the present invention has an effect of improving brain neuroinflammation.
- the toxicity of antibody #9104 was confirmed by the following method.
- the experiment was conducted while administering #9104 antibody in Experimental Example 6. Specifically, the survival rate was evaluated by visually observing the movement and abnormal signs of the mouse twice a week, and the weight of the mouse was measured once a week on the same day and time. On the other hand, it was confirmed whether organ toxicity by the #9104 antibody was observed by observing the organs by performing autopsy on the mice after administration was completed in a conventional manner. As a result, the survival rate and weight change of mice are shown in FIG. 22, and the result of confirming organ toxicity is shown in FIG. 23.
- the antibody according to the present invention can be significantly used for the treatment of brain diseases such as Alzheimer's disease without toxicity.
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Abstract
Description
항체# | 서열 | 서열번호 |
#9101 | EVQLLESGGGLVQPGGSLRLSCAASGFTFSNYAMSWVRQAPGKGLEWVSGIYPNGGNKYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKNAYRFDYWGQGTLVTVSS | 서열번호 1 |
GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCAATTATGCTATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGGGATCTATCCTAATGGTGGTAATAAATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAAAAATGCTTATCGTTTCGACTACTGGGGCCAGGGTACACTGGTCACCGTGAGCTCA | 서열번호 2 | |
#9102 | EVQLLESGGGLVQPGGSLRLSCAASGFTFSGYYMSWVRQAPGKGLEWVSLISPGSGSIYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKSWHHFDYWGQGTLVTVSS | 서열번호 3 |
GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCGGTTATTATATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCATTGATCTCTCCTGGTAGTGGTAGTATATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAAATCTTGGCATCATTTCGACTACTGGGGCCAGGGTACACTGGTCACCGTGAGCTCA | 서열번호 4 | |
#9104 | EVQLLESGGGLVQPGGSLRLSCAASGFTFSNYYMSWVRQAPGKGLEWVSGIYYGSGNIYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDTPGFDYWGQGTLVTVSS | 서열번호 5 |
GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCAATTATTATATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGGGATCTATTATGGTAGTGGTAATATATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAGAGATACGCCTGGGTTCGACTACTGGGGCCAGGGTACACTGGTCACCGTGAGCTCA | 서열번호 6 | |
#9108 | EVQLLESGGGLVQPGGSLRLSCAASGFTFSNYAMSWVRQAPGKGLEWVSAIYPGGGSIYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARDVLGLTPKPFDYWGQGTLVTVSS | 서열번호 7 |
GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCAATTATGCTATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGCGATCTATCCTGGTGGTGGTAGTATATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAGAGATGTTTTGGGTCTGACTCCTAAGCCGTTCGACTACTGGGGCCAGGGTACACTGGTCACCGTGAGCTCA | 서열번호 8 | |
#9113 | EVQLLESGGGLVQPGGSLRLSCAASGFTFSSYYMSWVRQAPGKGLEWVSSISPGGSSIYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKGASLFDYWGQGTLVTVSS | 서열번호 9 |
GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCAGTTATTATATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCATCGATCTCTCCTGGTGGTAGTAGTATATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAAAGGGGCGTCTCTGTTCGACTACTGGGGCCAGGGTACACTGGTCACCGTGAGCTCA | 서열번호 10 | |
#9123 | EVQLLESGGGLVQPGGSLRLSCAASGFTFSDYAMSWVRQAPGKGLEWVSAISYGGGNIYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCARVGGMCTRRQCYYDYGMDVWGQGTLVTVSS | 서열번호 11 |
GAGGTGCAGCTGTTGGAGTCTGGGGGAGGCTTGGTACAGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCCTCCGGATTCACCTTTAGCGATTATGCTATGAGCTGGGTCCGCCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGCGATCTCTTATGGTGGTGGTAATATATATTACGCTGATTCTGTAAAAGGTCGGTTCACCATCTCCAGAGACAATTCCAAGAACACGCTGTATCTGCAAATGAACAGCCTGAGAGCCGAGGACACGGCCGTGTATTACTGTGCGAGAGTTGGTGGTATGTGTACTAGGCGTCAGTGTTATTATGATTATGGTATGGACGTCTGGGGCCAGGGTACACTGGTCACCGTGAGCTCA | 서열번호 12 |
항체# | 서열 | 서열번호 |
#9101 | QSVLTQPPSASGTPGQRVTISCSGSSSNIGNNYVSWYQQLPGTAPKLLIYADSKRPSGVPDRFSGSKSGTSASLAIGGLRSEDEADYYCGSWDYSLNAYVFGGGTKLTVL | 서열번호 13 |
CAGTCTGTGCTGACTCAGCCACCCTCAGCTAGCGGGACCCCCGGGCAGAGGGTCACCATCTCTTGTAGTGGCTCTTCATCCAATATTGGCAATAATTATGTCTCCTGGTACCAGCAGCTCCCAGGAACGGCCCCCAAACTCCTCATCTATGCTGATAGTAAGCGGCCAAGCGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCACCTCAGCCTCGCTGGCCATCGGTGGGCTCCGGTCCGAGGATGAGGCTGATTATTACTGTGGTTCTTGGGATTATAGCCTGAATGCTTATGTCTTCGGCGGAGGCACCAAGCTTACGGTCCTA | 서열번호 14 | |
#9102 | QSVLTQPPSASGTPGQRVTISCSGSSSNIGNNPVYWYQQLPGTAPKLLIYANNQRPSGVPDRFSGSKSGTSASLAISGLRSEDEADYYCAAWDSSLSGYVFGGGTKLTVL | 서열번호 15 |
CAGTCTGTGCTGACTCAGCCACCCTCAGCTAGCGGGACCCCCGGGCAGAGGGTCACCATCTCTTGTAGTGGCTCTTCATCTAATATTGGCAATAATCCTGTCTACTGGTACCAGCAGCTCCCAGGAACGGCCCCCAAACTCCTCATCTATGCTAATAATCAGCGGCCAAGCGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCACCTCAGCCTCCCTGGCCATCAGTGGGCTCCGGTCCGAGGATGAGGCTGATTATTACTGTGCTGCTTGGGATTCTAGCCTGAGTGGTTATGTCTTCGGCGGAGGCACCAAGCTTACGGTCCTA | 서열번호 16 | |
#9104 | QSVLTQPPSASGTPGQRVTISCTGSSSNIGNNAVNWYQQLPGTAPKLLIYYDSHRPSGVPDRFSGSKSGTSASLAISGLRSEDEADYYCGAWDYSLSAYVFGGGTKLTVL | 서열번호 17 |
CAGTCTGTGCTGACTCAGCCACCCTCAGCTAGCGGGACCCCCGGGCAGAGGGTCACCATCTCTTGTACTGGCTCTTCATCTAATATTGGCAATAATGCTGTCAACTGGTACCAGCAGCTCCCAGGAACGGCCCCCAAACTCCTCATCTATTATGATAGTCATCGGCCAAGCGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCACCTCAGCCTCCCTGGCCATCAGTGGGCTCCGGTCCGAGGATGAGGCTGATTATTACTGTGGTGCTTGGGATTATAGCCTGAGTGCTTATGTCTTCGGCGGAGGCACCAAGCTTACGGTCCTA | 서열번호 18 | |
#9108 | QSVLTQPPSASGTPGQRVTLSCTGSSSNIGSNTVYWYQQLPGTAPKLLIYANSQRPSGVPDRFSGSKSGTSASLAISGLRSEDEADYYCGSWDYSLSGYVFGGGTKLTVL | 서열번호 19 |
CAGTCTGTGCTGACTCAGCCACCCTCAGCTAGCGGGACCCCCGGGCAGAGGGTCACCCTCTCTTGTACTGGCTCTTCATCTAATATTGGCAGTAATACTGTCTACTGGTACCAGCAGCTCCCAGGAACGGCCCCCAAACTCCTCATCTATGCTAATAGTCAGCGGCCAAGCGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCACCTCAGCCTCCCTGGCCATCAGTGGGCTCCGGTCCGAGGATGAGGCTGATTATTACTGTGGTTCTTGGGATTATAGCCTGAGTGGTTATGTCTTCGGCGGAGGCACCAAGCTTACGGTCCTA | 서열번호 20 | |
#9113 | QSVLTQPPSASGTPGQRVTISCSGSSSNIGNNAVSWYQQLPGTAPKLLIYSDNKRPSGVPDRFSGSKSGTSASLAISGLRSEDEADYYCGTWDASLNAYVFGGGTKLTVL | 서열번호 21 |
CAGTCTGTGCTGACTCAGCCACCCTCAGCTAGTGGGACCCCCGGGCAGAGGGTCACCATCTCTTGTAGTGGCTCTTCATCTAATATTGGCAATAATGCTGTCTCCTGGTACCAGCAGCTCCCAGGAACGGCCCCCAAACTCCTCATCTATTCTGATAATAAGCGGCCAAGCGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCACCTCAGCCTCCCTGGCCATCAGTGGGCTCCGGTCCGAGGATGAGGCTGATTATTACTGTGGTACTTGGGATGCTAGCCTGAATGCTTATGTCTTCGGCGGAGGCACCAAGCTTACGGTCCTA | 서열번호 22 | |
#9123 | QSVLTQPPSASGTPGQRVTISCSGSSSNIGSNTVNWYQQLPGTAPKLLIYDNSKRPSGVPDRFSGSKSGTSASLAISGLRSEDEADYYCGTWDDSLSGYVFGGGTKLTVL | 서열번호 23 |
CAGTCTGTGCTGACTCAGCCACCCTCAGCTAGCGGGACCCCCGGGCAGAGGGTCACCATCTCTTGTAGTGGCTCTTCATCTAATATTGGCAGTAATACTGTCAACTGGTACCAGCAGCTCCCAGGAACGGCCCCCAAACTCCTCATCTATGATAATAGTAAGCGGCCAAGCGGGGTCCCTGACCGATTCTCTGGCTCCAAGTCTGGCACCTCAGCCTCCCTGGCCATCAGTGGGCTCCGGTCCGAAGATGAGGCTGATTATTACTGTGGTACTTGGGATGATAGCCTGAGTGGTTATGTCTTCGGCGGAGGCACCAAGCTTACGGTCCTA | 서열번호 24 |
항체# | CDR | 서열 | 서열번호 |
#9101 | CDR1 | NYAMS | 서열번호 25 |
CDR2 | GIYPNGGNKYYADSVKG | 서열번호 26 | |
CDR3 | NAYRFDY | 서열번호 27 | |
#9102 | CDR1 | GYYMS | 서열번호 28 |
CDR2 | LISPGSGSIYYADSVKG | 서열번호 29 | |
CDR3 | SWHHFDY | 서열번호 30 | |
#9104 | CDR1 | NYYMS | 서열번호 31 |
CDR2 | GIYYGSGNIYYADSVKG | 서열번호 32 | |
CDR3 | DTPGFDY | 서열번호 33 | |
#9108 | CDR1 | NYAMS | 서열번호 34 |
CDR2 | AIYPGGGSIYYADSVKG | 서열번호 35 | |
CDR3 | DVLGLTPKPFDY | 서열번호 36 | |
#9113 | CDR1 | SYYMS | 서열번호 37 |
CDR2 | SISPGGSSIYYADSVKG | 서열번호 38 | |
CDR3 | GASLFDY | 서열번호 39 | |
#9123 | CDR1 | DYAMS | 서열번호 40 |
CDR2 | AISYGGGNIYYADSVKG | 서열번호 41 | |
CDR3 | VGGMCTRRQCYYDYGMDV | 서열번호 42 |
항체# | CDR | 서열 | 서열번호 |
#9101 | CDR1 | SGSSSNIGNNYVS | 서열번호 43 |
CDR2 | ADSKRPS | 서열번호 44 | |
CDR3 | GSWDYSLNAYV | 서열번호 45 | |
#9102 | CDR1 | SGSSSNIGNNPVY | 서열번호 46 |
CDR2 | ANNQRPS | 서열번호 47 | |
CDR3 | AAWDSSLSGYV | 서열번호 48 | |
#9104 | CDR1 | TGSSSNIGNNAVN | 서열번호 49 |
CDR2 | YDSHRPS | 서열번호 50 | |
CDR3 | GAWDYSLSAYV | 서열번호 51 | |
#9108 | CDR1 | TGSSSNIGSNTVY | 서열번호 52 |
CDR2 | ANSQRPS | 서열번호 53 | |
CDR3 | GSWDYSLSGYV | 서열번호 54 | |
#9113 | CDR1 | SGSSSNIGNNAVS | 서열번호 55 |
CDR2 | SDNKRPS | 서열번호 56 | |
CDR3 | GTWDASLNAYV | 서열번호 57 | |
#9123 | CDR1 | SGSSSNIGSNTVN | 서열번호 58 |
CDR2 | DNSKRPS | 서열번호 59 | |
CDR3 | GTWDDSLSGYV | 서열번호 60 |
항체# | EC50(nM) |
#9101 | 0.0815 |
#9102 | 0.0954 |
#9104 | 1.948 |
#9108 | 0.3269 |
#9123 | 0.7578 |
항체# | KD(M) | Kon(1/Ms) | Kdis(1/s) | RMax | Full R2 |
#9101 | 1.16E-09 | 6.26E+05 | 7.28E-04 | 0.4527 | 0.9861 |
#9102 | 2.52E-10 | 4.16E+05 | 1.05E-04 | 0.8652 | 0.997 |
#9104 | 2.09E-10 | 3.92E+05 | 8.18E-05 | 0.3324 | 0.9759 |
#9108 | 1.19E-10 | 2.49E+05 | 2.96E-05 | 0.45 | 0.999 |
#9113 | 5.64E-10 | 1.16E+06 | 6.56E-04 | 0.2868 | 0.9635 |
항체# | KD(M) | Kon(1/Ms) | Kdis(1/s) | RMax | Full R2 |
#9101 | 4.25E-11 | 3.76E+06 | 1.59E-04 | 0.0185 | 0.5527 |
#9102 | 4.98E-10 | 4.89E+05 | 2.43E-04 | 0.4281 | 0.9944 |
#9104 | 6.38E-10 | 3.10E+05 | 1.98E-04 | 0.7027 | 0.9971 |
#9108 | 3.39E-09 | 4.59E+05 | 1.56E-03 | 0.3921 | 0.9865 |
#9113 | <1.0E-12 | 1.00E+06 | <1.0E-07 | 0 | 0 |
#항체 | 펩타이드 영역 | 아미노산 서열 |
#9101 | 135-159 | PTVPKPPPKPPSPPAPGAPVSRILF |
#9102 | 135-159 | PTVPKPPPKPPSPPAPGAPVSRILF |
218-228 | SGLGPAGPFDM | |
#9104 | 53-72 | TAINLGLKKEPNVARVGSVA |
135-159 | PTVPKPPPKPPSPPAPGAPVSRILF | |
#9108 | 53-72 | TAINLGLKKEPNVARVGSVA |
135-155 | PTVPKPPPKPPSPPAPGAPVS | |
259-269 | VRKFLGPVPVY | |
#9113 | 53-72 | TAINLGLKKEPNVARVGSVA |
101-123 | VWRRSVLSPSEACGLLLGSTCGH | |
135-155 | PTVPKPPPKPPSPPAPGAPVS | |
259-269 | VRKFLGPVPVY | |
#9123 | 259-269 | VRKFLGPVPVY |
처리농도(ng/㎖) | ASM 단백질 활성 억제율(%) | |
#9104 | #9105 | |
0.03 | 0 | - |
0.3 | 7.9 | - |
3 | 16 | - |
30 | 21 | - |
300 | 28 | - |
3,000 | 32 | 9 |
Claims (17)
- ASM(acid sphingomyelinase) 단백질에 특이적으로 결합하는 항체 또는 이의 항원 결합 단편을 유효성분으로 포함하는 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 항체 또는 이의 항원 결합 단편은 ASM 단백질의 N-말단으로부터 53 내지 72번째 아미노산 단편, 101 내지 123번째 아미노산 단편, 135 내지 159번째 아미노산 단편, 135 내지 155번째 아미노산 단편, 218 내지 228번째 아미노산 단편 및 259 내지 269번째 아미노산 단편으로 구성된 군으로부터 선택되는 어느 하나 이상의 에피토프에 결합하는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 항체 또는 이의 항원 결합 단편은 서열번호 68 내지 73으로 각각 기재된 폴리펩티드로 구성된 군으로부터 선택되는 어느 하나 이상의 에피토프에 결합하는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 항체 또는 이의 항원 결합 단편은,서열번호 61로 기재된 아미노산 서열로 구성되는 중쇄 CDR1(X1YX2MS), 서열번호 62로 기재된 아미노산 서열로 구성되는 중쇄 CDR2(X3IX4X5X6X7X8X9X10YYADSVKG), 및 서열번호 27, 30, 33, 36, 39 및 42로 각각 기재된 아미노산 서열로 구성된 군으로부터 선택되는 중쇄 CDR3을 포함하는 중쇄 가변영역; 및서열번호 63으로 기재된 아미노산 서열로 구성되는 경쇄 CDR1(X11GSSSNIGX12NX13VX14), 서열번호 64로 기재된 아미노산 서열로 구성되는 경쇄 CDR2(X15X16X17X18RPS), 및 서열번호 65로 기재된 아미노산 서열로 구성되는 경쇄 CDR3(X19X20WDX21SLX22X23YV)을 포함하는 경쇄 가변영역을 포함하는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제4항에 있어서,상기 X1 및 X2는 각각 아스파라긴(asparagine, Asn), 글리신(glycine, Gly), 세린(serine, Ser), 아스파르트산(aspartic acid, Asp), 알라닌(alanine, Ala) 및 티로신(tyrosine, Tyr)으로 구성된 군으로부터 선택,상기 X3 내지 X10은 각각 글리신, 류신(leucine, Leu), 알라닌, 세린, 티로신, 프롤린(proline, Pro), 아스파라긴, 리신(lysine, Lys) 및 이소류신(isoleucine, Ile)으로 구성된 군으로부터 선택,상기 X11 내지 X14는 각각 트레오닌(threonine, Thr), 세린, 아스파라긴, 알라닌, 프롤린 및 티로신으로 구성된 군으로부터 선택,상기 X15 내지 X18은 각각 티로신, 알라닌, 아스파르트산, 세린, 아스파라긴, 히스티딘(histidine, His), 글루타민(glutamine, Gln) 및 리신으로 구성된 군으로부터 선택, 및상기 X19 내지 X23은 글리신, 알라닌, 세린, 트레오닌, 티로신, 아스파르트산 및 아스파라긴으로 구성된 군으로부터 선택되는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제5항에 있어서,상기 X1은 아스파라긴, 글리신, 세린 또는 아스파르트산,상기 X2는 알라닌 또는 티로신,상기 X3는 글리신, 류신, 알라닌 또는 세린,상기 X4는 티로신 또는 세린,상기 X5는 프롤린 또는 티로신,상기 X6은 아스파라긴 또는 글리신,상기 X7 및 X8은 각각 글리신 또는 세린,상기 X9는 아스파라긴 또는 세린,상기 X10은 리신 또는 이소류신,상기 X11은 트레오닌 또는 세린,상기 X12는 아스파라긴 또는 세린,상기 X13은 알라닌, 프롤린, 트레오닌 또는 티로신,상기 X14는 아스파라긴, 티로신 또는 세린,상기 X15는 티로신, 알라닌, 아스파르트산 또는 세린,상기 X16는 아스파르트산 또는 아스파라긴,상기 X17은 세린 또는 아스파라긴,상기 X18은 히스티딘, 글루타민 또는 리신,상기 X19는 글리신 또는 알라닌,상기 X20은 알라닌, 세린 또는 트레오닌,상기 X21은 티로신, 세린, 알라닌 또는 아스파르트산,상기 X22는 세린 또는 아스파라긴, 및상기 X23은 알라닌 또는 글리신인, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 항체 또는 이의 항원 결합 단편은,서열번호 25, 28, 31, 34, 37 및 40으로 기재된 아미노산 서열로 구성된 군으로부터 선택되는 중쇄 CDR1,서열번호 26, 29, 32, 35, 38 및 41로 각각 기재된 아미노산 서열로 구성된 군으로부터 선택되는 중쇄 CDR2, 및서열번호 27, 30, 33, 36, 39 및 42로 각각 기재된 아미노산 서열로 구성된 군으로부터 선택되는 중쇄 CDR3을 포함하는 중쇄 가변영역; 및서열번호 43, 46, 49, 52, 55 및 58로 각각 기재된 아미노산 서열로 구성된 군으로부터 선택되는 경쇄 CDR1,서열번호 44, 47, 50, 53, 56 및 59로 각각 기재된 아미노산 서열로 구성된 군으로부터 선택되는 경쇄 CDR2, 및서열번호 45, 48, 51, 54, 57 및 60으로 각각 기재된 아미노산 서열로 구성된 군으로부터 선택되는 경쇄 CDR3을 포함하는 경쇄 가변영역을 포함하는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 항체 또는 이의 항원 결합 단편은,서열번호 25, 26 및 27로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역,서열번호 28, 29 및 30으로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역,서열번호 31, 32 및 33으로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역,서열번호 34, 35 및 36으로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역,서열번호 37, 38 및 39로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및서열번호 40, 41 및 42로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역으로 구성된 군에서 선택되는 중쇄 가변영역; 및서열번호 43, 44 및 45로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역,서열번호 46, 47 및 48로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역,서열번호 49, 50 및 51로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역,서열번호 52, 53 및 54로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역,서열번호 55, 56 및 57로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역, 및서열번호 58, 59 및 60으로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역으로 구성된 군에서 선택되는 경쇄 가변영역을 포함하는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 항체 또는 이의 항원 결합 단편은,서열번호 25, 26 및 27로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및 서열번호 43, 44 및 45로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역;서열번호 28, 29 및 30으로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및 서열번호 46, 47 및 48로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역;서열번호 31, 32 및 33으로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및 서열번호 49, 50 및 51로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역;서열번호 34, 35 및 36으로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및 서열번호 52, 53 및 54로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역;서열번호 37, 38 및 39로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및 서열번호 55, 56 및 57로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역; 또는서열번호 40, 41 및 42로 각각 기재된 아미노산 서열로 구성되는 중쇄 CDR1, CDR2 및 CDR3를 포함하는 중쇄 가변영역, 및 서열번호 58, 59 및 60으로 각각 기재된 아미노산 서열로 구성되는 경쇄 CDR1, CDR2 및 CDR3를 포함하는 경쇄 가변영역을 포함하는, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 ASM 단백질은 포유동물 유래인, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 ASM 단백질은 서열번호 66 또는 67로 기재된 아미노산 서열로 구성되는 폴리펩티드인, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제1항에 있어서, 상기 뇌질환은 퇴행성 뇌질환인, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제12항에 있어서, 상기 퇴행성 뇌질환은 아밀로이드-β의 발현 또는 응집 수준이 정상보다 높거나 높을 위험이 있는 것인, 뇌질환 예방 또는 치료용 약학적 조성물.
- 제12항에 있어서, 상기 퇴행성 뇌질환은 치매, 알츠하이머병, 파킨슨병, 헌팅턴병, 경도인지장애, 대뇌 아밀로이드 맥관병증, 다운증후군, 아밀로이드성 뇌졸증, 전신성 아밀로이드병, 더취(Dutch)형 아밀로이드증, 니만-픽병, 노인성 치매, 근위축성 측삭 경화증(amyotrophic lateral sclerosis), 척수소뇌성 운동실조증(spinocerebellar atrophy), 뚜렛 증후군(Tourette's syndrome), 프리드리히 보행실조(Friedrich's Ataxia), 마차도-조셉병(Machado-Joseph's disease), 루이소체 치매, 근육긴장이상(dystonia), 진행성 핵상 마비(progressive supranuclear palsy) 또는 전두측두엽 치매인, 뇌질환 예방 또는 치료용 약학적 조성물.
- ASM 단백질에 특이적으로 결합하는 항체 또는 이의 항원 결합 단편을 유효성분으로 포함하는 뇌질환 예방 또는 개선용 건강기능식품.
- ASM 단백질에 특이적으로 결합하는 항체 또는 이의 항원 결합 단편을 개체에 투여하는 단계를 포함하는 뇌질환 예방, 개선 또는 치료방법.
- 뇌질환의 예방, 개선 또는 치료를 위한 약제의 제조에 사용하기 위한 ASM 단백질에 특이적으로 결합하는 항체 또는 이의 항원 결합 단편의 용도.
Priority Applications (11)
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US18/564,378 US20240254260A1 (en) | 2021-05-27 | 2022-05-26 | Pharmaceutical composition for treating brain diseases comprising antibody specifically binding to asm protein as active ingredient |
AU2022279866A AU2022279866A1 (en) | 2021-05-27 | 2022-05-26 | Pharmaceutical composition for treating brain diseases comprising antibody specifically binding to asm protein as active ingredient |
MA63152A MA63152A1 (fr) | 2021-05-27 | 2022-05-26 | Composition pharmaceutique pour le traitement de maladies cérébrales comprenant un anticorps se liant de manière spécifique à une protéine asm en tant que principe actif |
BR112023024632A BR112023024632A2 (pt) | 2021-05-27 | 2022-05-26 | Composição farmacêutica para tratamento de doenças cerebrais que compreende anticorpo especificamente ligado à proteína asm como ingrediente ativo |
JP2023572865A JP7484028B1 (ja) | 2021-05-27 | 2022-05-26 | Asmタンパク質に特異的に結合する抗体を有効成分として含む脳疾患治療用医薬組成物 |
MX2023014103A MX2023014103A (es) | 2021-05-27 | 2022-05-26 | Composicion farmaceutica para prevenir o tratar una enfermedad cerebral y alimento funcional de salud para prevenir o aliviar una enfermedad cerebral que la comprende. |
CN202280038237.1A CN117396518A (zh) | 2021-05-27 | 2022-05-26 | 包含与asm蛋白特异性结合的抗体作为有效成分的用于治疗脑部疾病的药物组合物 |
IL308738A IL308738A (en) | 2021-05-27 | 2022-05-26 | A pharmaceutical preparation containing an antibody that binds specifically to the ASM protein as an active ingredient for the treatment of brain diseases |
CA3219114A CA3219114A1 (en) | 2021-05-27 | 2022-05-26 | Pharmaceutical composition for treating brain diseases comprising antibody specifically binding to asm protein as active ingredient |
EP22811661.2A EP4349865A1 (en) | 2021-05-27 | 2022-05-26 | Pharmaceutical composition for treating brain diseases comprising antibody specifically binding to asm protein as active ingredient |
CONC2023/0016081A CO2023016081A2 (es) | 2021-05-27 | 2023-11-23 | Composición farmacéutica para prevenir o tratar una enfermedad cerebral y alimento funcional de salud para prevenir o aliviar una enfermedad cerebral que la comprende |
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KR20210068628 | 2021-05-27 | ||
KR10-2021-0068628 | 2021-05-27 | ||
KR1020220057049A KR20220160483A (ko) | 2021-05-27 | 2022-05-10 | Asm 단백질에 특이적으로 결합하는 항체를 유효성분으로 포함하는 뇌질환 치료용 약학적 조성물 |
KR10-2022-0057049 | 2022-05-10 |
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US (1) | US20240254260A1 (ko) |
EP (1) | EP4349865A1 (ko) |
JP (1) | JP7484028B1 (ko) |
AR (1) | AR126038A1 (ko) |
AU (1) | AU2022279866A1 (ko) |
BR (1) | BR112023024632A2 (ko) |
CA (1) | CA3219114A1 (ko) |
CO (1) | CO2023016081A2 (ko) |
IL (1) | IL308738A (ko) |
MX (1) | MX2023014103A (ko) |
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KR101521117B1 (ko) | 2013-05-07 | 2015-05-18 | 경북대학교 산학협력단 | Asm 억제제를 유효성분으로 포함하는 퇴행성 신경질환의 예방 또는 치료용 조성물 |
US20200255839A1 (en) * | 2013-05-07 | 2020-08-13 | Kyungpook National University Industry - Academic Cooperation Foundation | Method for treating a degenerative neurological disorders comprising administering asm inhibitor |
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TW202246355A (zh) | 2022-12-01 |
TWI839741B (zh) | 2024-04-21 |
IL308738A (en) | 2024-01-01 |
JP2024521163A (ja) | 2024-05-28 |
EP4349865A1 (en) | 2024-04-10 |
CO2023016081A2 (es) | 2023-12-11 |
MX2023014103A (es) | 2023-12-11 |
CA3219114A1 (en) | 2022-12-01 |
AR126038A1 (es) | 2023-09-06 |
BR112023024632A2 (pt) | 2024-02-27 |
JP7484028B1 (ja) | 2024-05-15 |
US20240254260A1 (en) | 2024-08-01 |
AU2022279866A1 (en) | 2023-12-14 |
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