WO2020071519A1 - 間葉系幹細胞の動員に基づく疾患治療薬 - Google Patents
間葉系幹細胞の動員に基づく疾患治療薬Info
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- WO2020071519A1 WO2020071519A1 PCT/JP2019/039231 JP2019039231W WO2020071519A1 WO 2020071519 A1 WO2020071519 A1 WO 2020071519A1 JP 2019039231 W JP2019039231 W JP 2019039231W WO 2020071519 A1 WO2020071519 A1 WO 2020071519A1
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- 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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- 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
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
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- C12Y306/01—Hydrolases acting on acid anhydrides (3.6) in phosphorus-containing anhydrides (3.6.1)
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- C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
- C07K2319/09—Fusion polypeptide containing a localisation/targetting motif containing a nuclear localisation signal
Definitions
- the present application relates to a composition for mobilizing mesenchymal stem cells and a therapeutic agent for diseases based on mobilization of mesenchymal stem cells.
- Mesenchymal stem cells contained in bone marrow fluid and the like have the ability to differentiate into various tissues (pluripotency) such as bone, cartilage, fat, muscle, nerve, and epithelium.
- various tissues such as bone, cartilage, fat, muscle, nerve, and epithelium.
- Attempts to perform regenerative medicine (cell transplantation therapy) using bone marrow-derived mesenchymal stem cells grown by the method described above have been widely performed.
- the collection of bone marrow blood containing mesenchymal stem cells is performed by an open technique in which a thick needle is repeatedly inserted into the iliac bone, so that the burden on the donor is large.
- mesenchymal stem cells gradually lose their proliferative ability and pluripotency as they are continuously subcultured in vitro.
- CPC cell processing center
- the purpose of this application is to develop a new regenerative medicine technology that can overcome the problems of cell transplantation treatment.
- the present inventors identified a large number of nucleoproteins contained in an extract of skin tissue by mass spectrometry, randomly selected a plurality of partial amino acid sequences of the identified nucleoproteins, and chemically synthesized a peptide consisting of the partial amino acid sequences. Then, the mobilization activity of mesenchymal stem cells was examined. As a result, it has been found that these peptides have an activity of mobilizing mesenchymal stem cells into peripheral blood, despite their completely different amino acid sequences. It has also been found that the fragment peptide of the nuclear protein has a therapeutic effect on diseases characterized by inflammation and abnormalities of the immune system (eg, inflammatory bowel disease and psoriasis). Based on these findings, a new regenerative medicine technology that can overcome the problems of cell transplantation therapy is provided.
- diseases characterized by inflammation and abnormalities of the immune system eg, inflammatory bowel disease and psoriasis
- a composition for use in recruiting mesenchymal stem cells to peripheral blood comprising a nuclear protein or a fragment peptide thereof.
- a composition for use in treating a disease or pathological condition in a subject by recruiting mesenchymal stem cells to peripheral blood comprising a nuclear protein or a fragment peptide thereof.
- the treatment of the disease or pathological condition is selected from inflammation suppression treatment, immunomodulation treatment, tissue regeneration induction treatment, and tissue fibrosis suppression treatment.
- composition according to [2], wherein the disease or pathological condition is selected from an inflammatory disease, an autoimmune disease, a tissue damage, a disease involving ischemia or necrosis, and a fibrotic disease.
- the disease or pathological condition is selected from inflammatory bowel disease and psoriasis.
- nucleoprotein or its fragment peptide is a nucleoprotein or its fragment peptide selected from the following: (1) BTF3 protein; (2) SUPT16H protein; (3) YBX1 protein; (4) NPM1 protein; (5) PA2G4 protein; (6) PFDN5 protein; (7) PSMC3 protein; (8) HNRNPK protein; and (9) a nuclear protein functionally equivalent to the protein selected from (1) to (8).
- nucleoprotein or its fragment peptide is a nucleoprotein or its fragment peptide selected from the following: (A) a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a nuclear protein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34, wherein one or more amino acids are substituted, deleted, inserted or added; and (c) a nuclear protein.
- composition according to any one of [1] to [10], wherein the fragment peptide of the nuclear protein is a fragment peptide selected from the following: (A) a fragment peptide of a nucleoprotein consisting of a part of an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a fragment peptide of a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 35 to 56; (C) a fragment peptide of a nucleoprotein consisting of a part of the amino acid sequence selected from SEQ ID NOs: 35 to 56; (D) a fragment peptide of a nuclear protein, comprising an amino acid sequence in which one or more amino acids are substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 35 to 56; and (e) SEQ ID NO: : A fragment peptide of a nucleoprotein comprising an amino acid sequence having about 80% or more sequence identity with an amino acid sequence selected from 35 to 56.
- Fragment peptide of a nuclear protein selected from: (1) BTF3 protein; (2) SUPT16H protein; (3) YBX1 protein; (4) NPM1 protein; (5) PA2G4 protein; (6) PFDN5 protein; (7) PSMC3 protein; (8) HNRNPK protein; and (9) a nuclear protein functionally equivalent to the protein selected from (1) to (8).
- the fragment peptide according to [12] which comprises a nuclear transport signal.
- [A1] A method of mobilizing mesenchymal stem cells to peripheral blood, comprising the step of administering to a subject an effective amount of a nuclear protein or a fragment peptide thereof.
- [A2] A method of treating a disease or pathological condition in a subject by mobilizing mesenchymal stem cells to peripheral blood, comprising administering to the subject an effective amount of a nuclear protein or a fragment peptide thereof.
- [A4] The method according to [A2], wherein the disease or pathological condition is selected from an inflammatory disease, an autoimmune disease, a tissue damage, a disease involving ischemia or necrosis, and a fibrotic disease.
- [A5] The method of [A2], wherein the disease or pathological condition is selected from inflammatory bowel disease and psoriasis.
- [A6] A method for treating a disease in a subject selected from inflammatory bowel disease and psoriasis, comprising administering to the subject an effective amount of a nuclear protein or a fragment peptide thereof.
- [A7] The method according to any one of [A1] to [A6], wherein the nuclear protein or its fragment peptide contains a nuclear transport signal.
- [A8] The method according to any one of [A1] to [A7], wherein the nuclear protein or its fragment peptide is a nuclear protein or its fragment peptide involved in transcriptional regulation.
- [A9] The method according to any one of [A1] to [A8], wherein the nuclear protein or its fragment peptide is a nuclear protein or its fragment peptide selected from the following: (1) BTF3 protein; (2) SUPT16H protein; (3) YBX1 protein; (4) NPM1 protein; (5) PA2G4 protein; (6) PFDN5 protein; (7) PSMC3 protein; (8) HNRNPK protein; and (9) a nuclear protein functionally equivalent to the protein selected from (1) to (8).
- nuclear protein or its fragment peptide is a nuclear protein or its fragment peptide selected from the following: (A) a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a nuclear protein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34, wherein one or more amino acids are substituted, deleted, inserted or added; and (c) a nuclear protein.
- the fragment peptide of the nuclear protein is a fragment peptide selected from the following: (A) a fragment peptide of a nucleoprotein consisting of a part of an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a fragment peptide of a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 35 to 56; (C) a fragment peptide of a nucleoprotein consisting of a part of the amino acid sequence selected from SEQ ID NOs: 35 to 56; (D) a fragment peptide of a nuclear protein, comprising an amino acid sequence in which one or more amino acids are substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 35 to 56; and (e) SEQ ID NO: : A fragment peptide of a nucleoprotein comprising an amino acid sequence having about 80% or more sequence identity with an amino acid sequence selected from 35
- [B1] A nuclear protein or a fragment peptide thereof for use in recruiting mesenchymal stem cells to peripheral blood.
- [B2] A nuclear protein or a fragment peptide thereof for use in treating a disease or pathological condition in a subject by mobilizing mesenchymal stem cells to peripheral blood.
- [B3] The nuclear protein or fragment peptide thereof according to [B2], wherein the treatment of the disease or pathological condition is selected from inflammation suppression treatment, immunomodulation treatment, tissue regeneration induction treatment, and tissue fibrosis suppression treatment.
- [B4] The nuclear protein or fragment peptide thereof according to [B2], wherein the disease or pathological condition is selected from an inflammatory disease, an autoimmune disease, tissue damage, a disease involving ischemia or necrosis, and a fibrotic disease.
- the nuclear protein or fragment peptide thereof according to any one of [B1] to [B6], which comprises a nuclear transport signal.
- [B8] The nuclear protein or fragment peptide thereof according to any one of [B1] to [B7], which is a nuclear protein or a fragment peptide thereof involved in the regulation of transcription.
- [B10] The nuclear protein or the fragment peptide thereof according to any one of [B1] to [B9] selected from the following: (A) a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a nuclear protein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34, wherein one or more amino acids are substituted, deleted, inserted or added; and (c) a nuclear protein.
- a nucleoprotein or a fragment peptide thereof according to any of [B1] to [B10] selected from the following: (A) a fragment peptide of a nucleoprotein consisting of a part of an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a fragment peptide of a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 35 to 56; (C) a fragment peptide of a nucleoprotein consisting of a part of the amino acid sequence selected from SEQ ID NOs: 35 to 56; (D) a fragment peptide of a nuclear protein, comprising an amino acid sequence in which one or more amino acids are substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 35 to 56; and (e) SEQ ID NO: : A fragment peptide of a nucleoprotein comprising an amino acid sequence having about 80% or more sequence identity with an amino acid sequence selected from 35 to 56.
- [C1] Use of a nuclear protein or a fragment peptide thereof in the manufacture of a medicament or a reagent for recruiting mesenchymal stem cells to peripheral blood.
- [C2] Use of a nuclear protein or a fragment peptide thereof in the manufacture of a medicament for the treatment of a disease or pathological condition in a subject by recruiting mesenchymal stem cells to peripheral blood.
- [C3] The use according to [C2], wherein the treatment of the disease or pathological condition is selected from inflammation suppression treatment, immunomodulation treatment, tissue regeneration induction treatment, and tissue fibrosis suppression treatment.
- [C4] The use according to [C2], wherein the disease or pathological condition is selected from inflammatory diseases, autoimmune diseases, tissue damage, diseases involving ischemia or necrosis, and fibrotic diseases.
- [C5] The use according to [C2], wherein the disease or pathological condition is selected from inflammatory bowel disease and psoriasis.
- [C6] Use of a nucleoprotein or a fragment peptide thereof in the manufacture of a medicament for the treatment of a disease selected from inflammatory bowel disease and psoriasis.
- [C7] Use according to any one of [C1] to [C6], wherein the nuclear protein or its fragment peptide contains a nuclear localization signal.
- nucleoprotein or its fragment peptide is a nucleoprotein or its fragment peptide selected from: (1) BTF3 protein; (2) SUPT16H protein; (3) YBX1 protein; (4) NPM1 protein; (5) PA2G4 protein; (6) PFDN5 protein; (7) PSMC3 protein; (8) HNRNPK protein; and (9) a nuclear protein functionally equivalent to the protein selected from (1) to (8).
- nuclear protein or its fragment peptide is a nuclear protein or its fragment peptide selected from: (A) a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a nuclear protein comprising an amino acid sequence in which one or more amino acids have been substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 1 to 34; and (c) a nuclear protein.
- the fragment peptide of the nucleoprotein is a fragment peptide selected from: (A) a fragment peptide of a nucleoprotein consisting of a part of an amino acid sequence selected from SEQ ID NOs: 1 to 34; (B) a fragment peptide of a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 35 to 56; (C) a fragment peptide of a nucleoprotein consisting of a part of the amino acid sequence selected from SEQ ID NOs: 35 to 56; (D) a fragment peptide of a nucleoprotein comprising an amino acid sequence in which one or more amino acids are substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 35 to 56; and (e) SEQ ID NO: : A fragment peptide of a nucleoprotein comprising an amino acid sequence having about 80% or more sequence identity with an amino acid sequence selected from 35 to 34; (B) a fragment peptide of a nucleoprotein compris
- FIG. 4 is a diagram plotting the number of colonies obtained by culturing peripheral blood 14 hours after administration of physiological saline or peptide. The number of colonies was shown as a value converted per 1 mL of the collected peripheral blood. The long bar indicates the average value and the short bar indicates the standard deviation.
- FIG. 4 is a diagram plotting the number of colonies obtained by culturing peripheral blood 14 hours after administration of physiological saline or peptide. The number of colonies was shown as a value converted per 1 mL of the collected peripheral blood. The long bar indicates the average value and the short bar indicates the standard deviation.
- FIG. 9 is a diagram plotting the number of colonies obtained by culturing peripheral blood 16 hours after administration of physiological saline or peptide.
- FIG. 4 is a diagram plotting the number of colonies obtained by culturing peripheral blood 24 hours after administration of physiological saline or peptide. The number of colonies was shown as a value per volume of peripheral blood (about 800 ⁇ L) collected from one mouse. The long bar indicates the average value and the short bar indicates the standard deviation. It is a graph which shows the weight change of a mouse. In the graph, "saline” indicates a control group, and "NP-1" indicates a peptide NP-1 administration group.
- the number of days indicates the number of days after the start of drinking of the aqueous solution of sodium dextran sulfate (DSS), and the triangle indicates the day of administration of physiological saline (control group) or peptide (NP-1 administration group).
- DSS sodium dextran sulfate
- NP-1 administration group peptide
- the number of days indicates the number of days after the start of drinking of the aqueous solution of sodium dextran sulfate (DSS), and the triangle indicates the day of administration of physiological saline (control group) or peptide (NP-2 administration group).
- the number of days indicates the number of days after the start of drinking of the aqueous solution of dextran sodium sulfate (DSS), and the triangle indicates the administration day of physiological saline (control group) or peptide (NP-4 administration group).
- DSS dextran sodium sulfate
- NP-4 administration group peptide
- the horizontal axis indicates the number of days after the start of imiquimod application
- HMGB1 High mobility group box 1
- MSCs mesenchymal stem cells
- HMGB1 exhibits a peripheral blood mobilization activity and a tissue regeneration-inducing activity of mesenchymal stem cells. Therefore, it is considered that the activity of the HMGB1 fragment peptide does not depend on the three-dimensional structure.
- HMGB1 is not physiologically present in the blood, but is released into the blood from necrotic cells only when necrotic damage occurs.
- mesenchymal stem cells recognize the presence of in vivo necrotic tissue by exposure to HMGB1 or a fragment thereof, are recruited into peripheral blood, suppress inflammation of necrotic tissue and promote regeneration it is conceivable that.
- nuclear proteins other than HMGB1 are also released into the blood due to necrotic damage, and nuclear proteins other than HMGB1 or fragments thereof also have the same mesenchyme as HMGB1 protein or fragment peptides. It was thought that there was a stem cell mobilization effect. That is, it was thought that it was possible to provide a theory that "mesenchymal stem cells are recruited into the blood by recognizing a nuclear protein or a fragment peptide thereof which is not physiologically present in the blood".
- the present inventors identified a large number of nucleoproteins contained in an extract of skin tissue by mass spectrometry, randomly selected a plurality of partial amino acid sequences of the identified nucleoproteins, The peptide consisting of the sequence was chemically synthesized, and the recruiting activity of mesenchymal stem cells was examined. As a result, although the plurality of peptides had completely different amino acid sequences from each other, they exhibited an activity of recruiting mesenchymal stem cells into peripheral blood, confirming that the above theory was correct.
- the fragment peptide of the nucleoprotein exhibits a therapeutic effect on diseases characterized by inflammation and abnormalities of the immune system (eg, inflammatory bowel disease and psoriasis). Specifically, it was confirmed that a fragment peptide of a nucleoprotein suppressed weight loss in a mouse model of inflammatory bowel disease and suppressed skin thickening in a psoriasis model.
- mesenchymal stem cells exert anti-inflammatory, immunomodulatory and anti-fibrotic effects.
- mesenchymal stem cells also have pluripotency capable of differentiating into various tissues, it is well known to those skilled in the art that they exert the action of promoting regeneration of damaged tissues.
- the mesenchymal stem cells are recruited into peripheral blood, and the anti-inflammatory effect of the mesenchymal stem cells, It is considered that the immunoregulatory action, the antifibrotic action, and the tissue regeneration promoting action (due to the differentiation of mesenchymal stem cells and / or the inflammation-suppressing action) bring about a therapeutic effect for various diseases.
- the present application provides a composition containing a nuclear protein or a fragment peptide thereof for use in recruiting mesenchymal stem cells to peripheral blood.
- composition of the present application for mobilizing mesenchymal stem cells to peripheral blood can be used as a pharmaceutical composition or a reagent composition.
- pharmaceutical composition is used interchangeably with “medicine,” “drug,” or “pharmaceutical composition”
- reagent composition is used interchangeably with “reagent.”
- compositions of the present application for recruiting mesenchymal stem cells to peripheral blood can be used for treating a disease or pathological condition in a subject, for example, by recruiting mesenchymal stem cells to peripheral blood.
- the mesenchymal stem cells mobilized into peripheral blood using the composition for mobilizing mesenchymal stem cells to peripheral blood of the present application are collected outside the body after concentration, and concentrated to obtain a disease or pathological condition in the subject. It is also possible to use for the treatment of.
- the present application also provides the use of a nuclear protein or a fragment peptide thereof in the manufacture of a medicament or reagent for recovering mesenchymal stem cells outside the body.
- composition of the present application for recruiting mesenchymal stem cells to peripheral blood can be used, for example, for basic research and clinical research.
- Examples of basic research and clinical research include, but are not limited to, studies on mobilization of mesenchymal stem cells in vitro, studies on mobilization of mesenchymal stem cells in experimental animals, and the like.
- the present application also provides the use of a nucleoprotein or a fragment peptide thereof in the manufacture of a medicament or reagent for basic or clinical research.
- composition of the present application for recruiting mesenchymal stem cells to peripheral blood can include one or more nuclear proteins, one or more fragmented peptides, or a combination thereof.
- mesenchymal stem cells are collected from bone marrow or other tissues (blood, for example, cord blood, skin, fat, pulp, etc.) and cultured as adherent cells on a culture dish (plastic or glass). -Cells that can proliferate and have the ability to differentiate into mesenchymal tissues such as bone, cartilage, fat, and muscle. In one embodiment, the mesenchymal stem cells also have the ability to differentiate into epithelial tissue and neural tissue. In one embodiment, the mesenchymal stem cell is a cell capable of forming a colony.
- the mesenchymal stem cells in the present application may exist as a heterogeneous cell population including not only stem cells in a narrow sense (cells having self-renewal ability and differentiation ability) but also progenitor cells. Alternatively, it may also include differentiated cells in addition to stem cells and progenitor cells in a narrow sense. In one embodiment, the mesenchymal stem cells may be constituted only by stem cells in a narrow sense.
- a precursor cell is defined as a cell having a unidirectional differentiation ability to a specific tissue cell other than a blood system, and has a differentiation ability to a mesenchymal tissue, an epithelial tissue, a nerve tissue, a parenchymal organ, and a vascular endothelium.
- examples of the mesenchymal stem cells include, but are not limited to, bone marrow mesenchymal stem cells and bone marrow-derived mesenchymal stem cells.
- “Bone marrow mesenchymal stem cells” are cells present in bone marrow, which can be collected from bone marrow, cultured and proliferated as adherent cells on a culture dish (plastic or glass), and used for bone, cartilage, and fat. And cells having the characteristic of having the ability to differentiate into mesenchymal tissues such as muscle.
- bone marrow mesenchymal stem cells also have the ability to differentiate into epithelial tissue and neural tissue.
- the bone marrow mesenchymal stem cells are cells capable of forming colonies.
- the term “bone marrow mesenchymal stem cells” is used interchangeably with “bone marrow mesenchymal stromal cells”, “bone marrow pluripotent stem cells” or “bone marrow pluripotent stromal cells”.
- bone marrow-derived mesenchymal stem cells refers to bone marrow mesenchymal stem cells recruited from the bone marrow to the outside of the bone marrow, such as peripheral blood sampling, mesenchymal tissues such as fat, epithelial tissues such as skin, and brain. Such cells can be obtained by collecting from nerve tissue such as.
- ⁇ bone marrow derived mesenchymal stem cells '' is used interchangeably with ⁇ bone marrow derived mesenchymal stromal cells '', ⁇ bone marrow derived pluripotent stem cells '' or ⁇ bone marrow derived pluripotent stromal cells '' Can be
- bone marrow mesenchymal stem cells and bone marrow-derived mesenchymal stem cells are directly collected after collection, or by administering cells once adhered to a culture dish to a damaged part of a living body, for example, keratinocytes constituting skin, etc. It also has the ability to differentiate into epithelial tissues and nervous tissues that make up the brain.
- Bone marrow mesenchymal stem cells and bone marrow-derived mesenchymal stem cells include osteoblasts (which can be identified by inducing differentiation and calcium deposits) and chondrocytes (alcian blue staining positive, safranin-O staining positive, etc.) ), Adipocytes (specifiable by Sudan III staining, etc.), mesenchymal cells such as fibroblasts, smooth muscle cells, skeletal muscle cells, stromal cells, tendon cells, nerve cells, pigment cells Epidermal cells, hair follicle cells (express the cytokeratin family, hair keratin family, etc.), epithelial cells (e.g., epidermal keratinocytes, intestinal epithelial cells express the cytokeratin family, etc.), endothelial cells, liver, It is preferable to have the ability to differentiate into cells of a solid organ such as kidney and pancreas, but the cells after differentiation are not limited to the above cells.
- PDGFR ⁇ , PDGFR ⁇ , Lin, CD45, CD44, CD90, CD29, Flk-1, negative, CD105, CD73, CD73, CD90, CD71, Stro- All or some of 1 positive, CD106 positive, CD166 positive, CD31 negative, CD271 positive, and CD11b negative can be exemplified, but are not limited thereto.
- rat mesenchymal stem cell marker examples include PDGFR ⁇ -positive, CD44-positive, CD54-positive, CD73-positive, CD90-positive, CD105-positive, CD29-positive, CD271-positive, CD31-negative, and CD45-negative. It is not limited to.
- the mesenchymal stem cells are PDGFR ⁇ -positive mesenchymal stem cells, PDGFR ⁇ -positive bone marrow-derived mesenchymal stem cells, PDGFR ⁇ -positive bone marrow-derived cells, and are obtained by bone marrow collection (bone marrow cell collection) or peripheral blood collection. Cells obtained as adherent cells by culturing mononuclear cell fraction cells in the obtained blood can be exemplified, but not limited thereto. Examples of PDGFR ⁇ -positive mesenchymal stem cells include PDGFR ⁇ and CD44-positive cells, PDGFR ⁇ and CD90-positive cells, PDGFR ⁇ and CD105-positive cells, PDGFR ⁇ and CD29-positive cells, and the like. Can be In one embodiment, the PDGFR ⁇ -positive mesenchymal stem cells may be CD44-negative cells.
- the present application provides a composition comprising a nucleoprotein or a fragment peptide thereof for use in treating a disease or pathological condition in a subject by recruiting mesenchymal stem cells to peripheral blood.
- compositions of the present application for use in treating a disease or pathological condition in a subject by recruiting mesenchymal stem cells to peripheral blood can be used as pharmaceutical compositions.
- the subject in the present application is not particularly limited, and includes mammals, birds, fish, and the like.
- mammals include humans and non-human animals, such as humans, mice, rats, monkeys, pigs, dogs, rabbits, hamsters, guinea pigs, horses, sheep, and whales, but are not limited thereto. is not.
- the term "subject” is used interchangeably with "patient”, “individual” or "animal”.
- compositions for use in treating a disease or pathological condition in a subject by recruiting mesenchymal stem cells to peripheral blood of the present application include one or more nuclear proteins, one or more fragmented peptides, or a fragment thereof. Combinations can be included.
- the treatment of a disease or pathological condition is selected from, for example, anti-inflammatory treatment, immunomodulation treatment, tissue regeneration induction treatment, and tissue fibrosis suppression treatment, but is not limited thereto.
- the disease or pathological condition is selected from, but not limited to, for example, an inflammatory disease, an autoimmune disease, a tissue damage, a disease involving ischemia or necrosis, and a fibrotic disease.
- the inflammatory disease or autoimmune disease is selected from, for example, inflammatory bowel disease and psoriasis, but is not limited thereto.
- the fibrotic disease is selected from, for example, but not limited to, pulmonary fibrosis, liver fibrosis, and cirrhosis.
- Diseases involving tissue damage, ischemia or necrosis include, but are not limited to, for example, inflammatory bowel disease.
- Inflammatory bowel diseases include, but are not limited to, ulcerative colitis and Crohn's disease.
- nucleoprotein refers to a protein that performs a certain function in the nucleus and is a protein other than the following 1) to 6): 1) High mobility group box 1 (HMGB1) protein; 2) High mobility group box 2 (HMGB2) protein; 3) High mobility group box 3 (HMGB3) protein; 4) S100 calcium-binding protein A8 (S100A8) protein; 5) S100 calcium-binding protein A9 (S100A9) protein; and 6) Interleukin-1 (IL-1) family cytokine.
- the nuclear protein of the present application is a protein having an activity of recruiting mesenchymal stem cells into peripheral blood.
- the term “activity of mobilizing mesenchymal stem cells into peripheral blood” is used interchangeably with “activity of increasing the abundance of mesenchymal stem cells in peripheral blood”.
- Nucleic proteins in the present application include, but are not limited to, for example, nuclear proteins involved in the regulation of transcription.
- Protein involved in the regulation of transcription refers to a nuclear protein that has a function of regulating any process of transcription, such as, but not limited to, a transcription factor and a transcription coupling factor. .
- a transcription factor is a protein that binds to DNA alone or in the form of a complex with another protein and controls transcription, and includes a basic transcription factor (a protein constituting a transcription apparatus), a transcription regulatory factor, Includes transcription elongation factors, factors that regulate transcription by participating in the transcription termination process, and the like.
- a transcription coupling factor is a protein that does not directly bind to DNA but regulates transcription by an interaction between proteins.
- a transcription coupling factor is interposed between a transcription regulatory factor and a basic transcription factor (bound to both). But not limited thereto, such as coactivators and corepressors that regulate transcription.
- fragment peptide of nucleoprotein means a fragment peptide derived from the above nucleoprotein.
- the fragment peptide of the nucleoprotein is a fragment peptide having an activity of recruiting mesenchymal stem cells into peripheral blood.
- the fragment peptide of the HMGB1 protein, the fragment peptide of the HMGB2 protein, the fragment peptide of the HMGB3 protein, the fragment peptide of the S100A8 protein, the fragment peptide of the S100A9 protein, and the fragment peptide of the IL-1 family cytokine Is excluded.
- fragment peptide of a nucleoprotein refers to “fragment peptide derived from a nucleoprotein”, “partial peptide derived from a nucleoprotein”, “fragment peptide composed of a part of a nucleoprotein”, “ It is used interchangeably with "a partial peptide consisting of a part” or "a partial peptide of a nucleoprotein”.
- the activity of recruiting mesenchymal stem cells to peripheral blood in a nuclear protein or a fragment peptide thereof in the present application is as follows: i) an individual administered with a nuclear protein or a fragment peptide thereof, and an individual not administered with a nuclear protein or a fragment peptide thereof. From the cells, inoculate the culture dish and incubate (several days to 10 days), count the number of colonies formed, and ii) adherence of the formed colonies to the solid phase It can be evaluated by confirming that it has a proliferation ability (self-renewal ability) and has an ability to differentiate into osteoblasts, chondrocytes and adipocytes. In the above i), the red blood cells may be removed from the peripheral blood by a desired method before inoculating the collected peripheral blood into the culture dish.
- the nuclear protein or its fragment peptide in the present application can be obtained as a recombinant by incorporating a DNA encoding it into an appropriate expression system, or can be artificially synthesized. Therefore, the nuclear protein or its fragment peptide in the present application includes a nuclear protein or its fragment peptide produced by using a cell and an artificially synthesized nuclear protein or its fragment peptide (that is, a synthetic nucleus). Protein or a fragment peptide thereof).
- a DNA encoding the peptide may be incorporated into an appropriate expression system and expressed.
- Hosts applicable to the present application include, but are not limited to, prokaryotic cells and eukaryotic cells.
- Examples of the host applicable to the present invention also include bacteria (eg, Escherichia coli), yeast, animal cells (eg, mammalian cells such as HEK293 cells and CHO cells, insect cells such as silkworm cells), and plant cells. But not limited to these.
- Examples of the host / vector system applicable to the present invention include an expression vector pGEX and E. coli. Since pGEX can express a foreign gene as a fusion protein with glutathione S-transferase (GST) (Gene, 67: 31-40, 1988), DNA encoding the nuclear protein of the present application or a fragment peptide thereof has been incorporated. pGEX is introduced into an E. coli strain such as BL21 by heat shock, and after an appropriate culture time, isopropylthio- ⁇ -D-galactoside (IPTG) is added to induce the expression of the GST fusion peptide. Since GST in the present application is adsorbed to glutathione sepharose 4B, the expression product can be easily separated and purified by affinity chromatography.
- GST glutathione S-transferase
- a host / vector system for obtaining a genetic recombinant of the nuclear protein or its fragment peptide of the present invention the following can be applied.
- an expression vector for a fusion protein using a tag or the like is commercially available.
- the genetically modified product of the present application also includes a recombinant with a tag and a partial peptide thereof.
- the tag added to the nuclear protein or its fragment peptide of the present invention is not particularly limited as long as it does not affect the activity of the nuclear protein or its fragment peptide of the present invention.
- a histidine tag for example, 6 ⁇ His, 10 ⁇ His
- HA tag for example, 6 ⁇ His, 10 ⁇ His
- FLAG tag for example, GST tag
- T7-tag for example, HSV-tag
- HSV-tag for example, HSV-tag
- E-tag E-tag
- lck tag B-tag and the like.
- yeast As for yeast, it is known that yeast belonging to the genus Pichia is effective for expressing proteins having sugar chains.
- an expression system using a baculovirus vector using an insect cell as a host is also useful (Bio / Technology, # 6: 47-55, # 1988).
- transfection of a vector using a promoter such as CMV, RSV, or SV40 is performed using mammalian cells, and any of these host / vector systems is a nuclear protein of the present application or a fragment thereof. It can be used as a peptide expression system.
- plasmid vectors retrovirus vectors, lentivirus vectors, adenovirus vectors, adeno-associated virus vectors Sendai virus vector, Sendai virus envelope vector
- the gene can also be introduced using a virus vector such as a papilloma virus vector, It is not limited to these.
- the vector may contain a promoter DNA sequence that effectively induces gene expression, a factor that controls gene expression, and a molecule that is necessary for maintaining DNA stability.
- the obtained nuclear protein or its fragment peptide of the present invention can be isolated from the inside or outside of a host cell (such as a medium) and purified as a substantially pure and homogeneous protein.
- the separation and purification of the protein may be carried out by the separation and purification methods used in ordinary protein purification, and are not limited at all. For example, chromatographic columns, filters, ultrafiltration, salting out, solvent precipitation, solvent extraction, distillation, immunoprecipitation, SDS-polyacrylamide gel electrophoresis, isoelectric focusing, dialysis, recrystallization, etc. When combined, proteins can be separated and purified.
- chromatography examples include affinity chromatography, ion exchange chromatography, hydrophobic chromatography, gel filtration, reverse phase chromatography, adsorption chromatography and the like (Marshak et al., GieStrategies for Protein Purification and Characterization: A Laboratory). Course Manual. Ed Daniel R. Cold Spring Harbor Laboratory Press, 1996). These chromatographys can be performed using liquid phase chromatography, for example, liquid phase chromatography such as HPLC and FPLC.
- the nuclear protein or its fragment peptide of the present application is preferably a substantially purified peptide.
- substantially purified means that the purity of the nuclear protein or its fragment peptide of the present application (the ratio of the nuclear protein or its fragment peptide of the entire protein component) is 50% or more, 60% or more, 70% or more, 80% or more, 90% or more, 95% or more, 100% or close to 100%.
- the upper limit close to 100% depends on the purification technique and analysis technique of those skilled in the art, and is, for example, 99.999%, 99.99%, 99.9%, 99% and the like.
- the substantially purified nuclear protein or its fragment peptide is included in the substantially purified nuclear protein or its fragment peptide.
- any purification method is included in the substantially purified nuclear protein or its fragment peptide.
- a substantially purified nuclear protein or fragment peptide thereof can be exemplified, but is not limited thereto.
- the nuclear protein or its fragment peptide of the present invention can also be artificially synthesized.
- a peptide can be chemically synthesized by a method such as a peptide liquid phase synthesis method and a peptide solid phase synthesis method.
- the peptide solid phase synthesis method is one of the methods generally used when chemically synthesizing a peptide. Using polystyrene polymer gel beads with a surface modified with amino groups and having a diameter of about 0.1 mm as a solid phase, the amino acid chains are extended one by one by a dehydration reaction. When the target peptide sequence is completed, it is cut out from the solid phase surface to obtain the target substance.
- synthesis and difficult ribosomal peptide be synthesized in bacteria, D body or stable isotopes (2 H, 13 C, 15 N , etc.)
- Introduction of unnatural amino acids such as substitutions, heavy atom substituted Introduction of a body (for example, selenoamino acids such as selenomethionine), modification of peptide and protein main chains, and the like are also possible.
- a long peptide chain of 70 to more than 100 is synthesized by the solid phase method, it can be synthesized by binding two peptide chains using a native chemical ligation method.
- the nucleoprotein or fragment peptide thereof of the present application may be in the form of a pharmaceutically acceptable salt of the protein or peptide.
- Pharmaceutically acceptable salts include, but are not limited to, hydrochloride, acetate, trifluoroacetate and the like.
- the nuclear protein or fragment peptide thereof of the present application may be in the form of a solvate of the protein or peptide or a solvate of a pharmaceutically acceptable salt of the protein or peptide.
- the solvate refers to a solute molecule in which an arbitrary number of solvent molecules are coordinated, and includes, for example, a hydrate, but is not limited thereto.
- amino acid length of the nuclear protein or its fragment peptide in the present application examples include, but are not limited to, 25 to 35 amino acids, 20 to 40 amino acids, 10 to 50 amino acids, 10 to 70 amino acids, 10 to 100 amino acids, and the like. It is not something to be done.
- the nuclear protein or its fragment peptide in the present application includes, for example, a nuclear protein selected from the following or a fragment peptide derived therefrom: 1. BTF3 protein (Basic transcription factor 3); 2. SUPT16H protein (Suppressor of Ty 16 Homolog; or Facilitates chromatin transcription complex subunit SPT16); 3. YBX1 protein (Y-Box binding protein 1; or Nuclease-sensitive element-binding protein 1); 4. NPM1 protein (Nucleophosmin 1); 5. PA2G4 protein (Proliferation-associated protein 2G4); 6. PFDN5 protein (Prefoldin subunit 5); 7.
- BTF3 protein Basic transcription factor 3
- SUPT16H protein Sypressor of Ty 16 Homolog; or Facilitates chromatin transcription complex subunit SPT16
- YBX1 protein Y-Box binding protein 1; or Nuclease-sensitive element-binding protein 1
- NPM1 protein Nucleophosmin 1
- PA2G4 protein Proliferation-
- PSMC3 protein Proteasome (Prosome, Macropain) 26S subunit, ATPase 3; or 26S proteasome regulatory subunit 6A
- HNRNPK protein Heterogeneous nuclear ribonucleoprotein K
- the nucleoprotein selected from 1 to 8 above is considered to have an activity of mobilizing mesenchymal stem cells into peripheral blood. Therefore, “functionally equivalent” described in 9 above means a functional equivalent with respect to the activity of recruiting mesenchymal stem cells into peripheral blood. Therefore, the nucleoprotein described in 9 above can be expressed as a nucleoprotein having an activity equivalent to a protein selected from 1 to 8 (an activity of recruiting equivalent mesenchymal stem cells into peripheral blood).
- the fragment peptide derived from the nucleoprotein selected from the above 1 to 9 is a fragment peptide having an activity of mobilizing mesenchymal stem cells into peripheral blood.
- the nuclear protein or a fragment peptide thereof selected from the above 1 to 9 has an activity of mobilizing mesenchymal stem cells into peripheral blood, so that the effect of mobilizing mesenchymal stem cells into peripheral blood, and inflammatory diseases, It is thought to have a therapeutic effect on autoimmune diseases, diseases involving tissue damage, ischemia or necrosis, and fibrotic diseases.
- examples of the nuclear protein or a fragment peptide thereof include a nuclear protein selected from the following and fragment peptides derived therefrom: (I) a nuclear protein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34; (II) a nuclear protein consisting of an amino acid sequence selected from SEQ ID NOs: 1 to 34; (III) a nuclear protein comprising an amino acid sequence selected from SEQ ID NOs: 1 to 34, wherein one or more amino acids are substituted, deleted, inserted or added; (IV) a nuclear protein comprising an amino acid sequence in which one or more amino acids are substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 1 to 34; (V) a nuclear protein comprising an amino acid sequence having about 80% or more sequence identity with an amino acid sequence selected from SEQ ID NOs: 1 to 34; (VI) a nuclear protein consisting of an amino acid sequence having about 80% or more sequence identity with an amino acid sequence selected from SEQ ID NOs: 1 to
- examples of the fragment peptide of the nuclear protein include fragment peptides selected from the following: (I) a fragment peptide of a nucleoprotein consisting of a part of an amino acid sequence selected from SEQ ID NOs: 1 to 34; (Ii) a fragment peptide of a nucleoprotein comprising an amino acid sequence selected from SEQ ID NOs: 35 to 56; (Iii) a fragment peptide of a nuclear protein consisting of an amino acid sequence selected from SEQ ID NOs: 35 to 56; (Iv) a fragment peptide of a nucleoprotein consisting of a part of the amino acid sequence selected from SEQ ID NOs: 35 to 56; (V) a fragment peptide of a nuclear protein, comprising an amino acid sequence in which one or more amino acids are substituted, deleted, inserted or added in the amino acid sequence selected from SEQ ID NOs: 35 to 56; (Vi) a fragment peptide of a nuclear protein consisting of an amino acid sequence in which
- plality includes, for example, 1 to 10, 1 to 9, 1 to 8, 1 to 7, 1 to 6, 1 to 5, 1 to Four, one to three, or one or two.
- “about 80% or more” means, for example, about 85% or more, about 90% or more, about 91% or more, about 92% or more, about 93% or more, about 94% or more, about 95% or more, about 96% or more. % Or more, about 97% or more, about 98% or more or about 99% or more.
- stringent conditions can refer to, for example, 6 ⁇ SSC, 40% formamide, hybridization at 25 ° C., and 1 ⁇ SSC, washing at 55 ° C. Stringency depends on conditions such as salt concentration, formamide concentration, and temperature, and those skilled in the art can set these conditions to obtain the required stringency.
- the isolated protein includes a protein consisting of an amino acid sequence selected from SEQ ID NOs: 1 to 34. It is more likely that a functionally equivalent protein (for example, a homolog) and a fragment peptide functionally equivalent to a fragment peptide consisting of an amino acid sequence selected from SEQ ID NOs: 35 to 56 will be included.
- a highly homologous base sequence can show, for example, about 60% or more, about 70% or more, or about 80% or more identity.
- examples of the fragment peptide of the nuclear protein include fragment peptides selected from the following: (1) a fragment peptide comprising a part of the amino acid sequence selected from SEQ ID NOs: 1 and 2, wherein the fragment peptide comprises the amino acid sequence of SEQ ID NO: 35; (2) a fragmentary peptide comprising a part of the amino acid sequence of SEQ ID NO: 3, which comprises the amino acid sequence of SEQ ID NO: 36; (3) a fragmentary peptide comprising a part of the amino acid sequence of SEQ ID NO: 4, which comprises an amino acid sequence selected from SEQ ID NOs: 37 to 39; (4) a fragment peptide comprising a part of the amino acid sequence selected from SEQ ID NOs: 5 to 7, and comprising an amino acid sequence selected from SEQ ID NOs: 40 to 41; (5) a fragment peptide comprising a part of the amino acid sequence of SEQ ID NO: 8, which comprises the amino acid sequence of SEQ ID NO: 42; (6) a fragmentary peptide comprising
- the nucleoprotein selected from the above (I) to (VIII) is a nucleoprotein having an activity of mobilizing mesenchymal stem cells into peripheral blood. Further, a fragment peptide derived from the nucleoprotein selected from the above (I) to (VIII), a fragment peptide of the nucleoprotein selected from the above (i) to (x), and the above (1) to (17)
- the fragment peptide of the nuclear protein which is selected is a fragment peptide having an activity of mobilizing mesenchymal stem cells into peripheral blood.
- nuclear proteins and fragment peptides have the effect of recruiting mesenchymal stem cells into peripheral blood and treating inflammatory diseases, autoimmune diseases, tissue damage, diseases associated with ischemia or necrosis, and fibrotic diseases. It is considered to have an effect.
- the present application relates to a nuclear protein selected from the above 1 to 9 or a fragment peptide derived therefrom, a nuclear protein selected from the above (I) to (VIII) or a fragment peptide derived therefrom, and the above (i) to (x)
- a fragment peptide of a nuclear protein selected and a fragment peptide of a nuclear protein selected from the above (1) to (17) are also provided.
- amino acid sequences described in SEQ ID NOs: 1 to 56 are the amino acid sequences of the proteins or peptides described in Tables 1-1 and 1-2 below.
- the base sequences described in SEQ ID NOs: 57 to 112 are examples of the base sequences of DNAs encoding the proteins or peptides described in Tables 2-1 and 2-2 below.
- Other DNA sequences encoding the proteins or peptides listed in Tables 2-1 and 2-2 below may be obtained using codon tables known to those of skill in the art, using the codons corresponding to the amino acid residues of the protein or peptide.
- Reverse translation can be performed using various software (including programs, algorithms, and the like) developed for analysis of amino acid and nucleic acid sequences, if desired.
- the nuclear protein or its fragment peptide is, for example, a nuclear protein or its fragment peptide containing a nuclear transport signal.
- the nuclear translocation signal is an amino acid sequence having a certain pattern and having a function of translocating a protein / peptide having the same into the nucleus.
- nuclear proteins are known to have NLS in their amino acid sequences, and bind to a nuclear transport receptor that recognizes the NLS (also referred to as a nuclear transport protein or a nuclear transport factor). Move into the nucleus.
- NLS NLS Examples of currently known NLS (hereinafter known NLS) include those described in Tables 3-1 and 3-2 below:
- NLS examples of known NLS include sequences registered in the NLSdb database (https://rostlab.org/services/nlsdb/). Sequences registered in NLSdb can be viewed and downloaded from the above website. Among NLS sequences registered in the NLSdb, those whose Annotation type is “Experimental” or “By ⁇ ⁇ ⁇ Expert” can be evaluated as having a function of translocating proteins / peptides into the nucleus. Treat as NLS.
- the NLS in the present application may be an NLS predicted using a specific program (hereinafter, a predicted NLS). Whether the predicted NLS is included in the desired amino acid sequence is determined by the following program: SeqNLS (Lin et al., PLoS One. 2013 2013 Oct 29; 8 (10): e76864) or NLStradamus (Nguyen et al., BMC Bioinformatics) . 2009 Jun 29; 10: 202).
- the NLS is a known NLS. In one embodiment, the NLS is a known NLS selected from the group consisting of cNLS, PY-NLS, BIB domain and BIB domain-like sequence. In one embodiment, the cNLS is monopartite @ cNLS. In one embodiment, the monopartite @ cNLS is KKEK (SEQ ID NO: 130).
- a nuclear protein or a fragment peptide thereof of the present application or a pharmaceutical composition containing the same is administered to a subject for treatment of the disease or condition described herein. Is done.
- an effective amount refers to an amount sufficient to treat the disease or pathological condition described herein. Treatment herein includes, but is not limited to, relief, delay, arrest, improvement, remission, cure, cure, and the like.
- the administration site of the pharmaceutical composition or the like of the present application is not limited, and may be a site where a symptom of a disease or a pathological condition appears, or the vicinity thereof, a site different therefrom (other site), a site where a symptom of the disease or a pathological condition appears. Distant from the site, distant from the site where the symptoms of the disease or pathological condition appear, or distant and ectopic to the site where the symptoms of the disease or pathological condition appear. Even if administered, the pharmaceutical composition and the like of the present application can exert their effects.
- the pharmaceutical composition or the like of the present application may be a tissue different from a tissue in which symptoms of a disease or a pathological condition appear, a tissue apart from a tissue in which symptoms of a disease or a pathological condition appears, or a tissue in which symptoms of a disease or a pathological condition appear.
- the effect can be exerted when administered to any tissue, such as tissue that is distal, or that is distant and ectopic to the tissue that exhibits symptoms of the disease or pathological condition.
- the administration method of the pharmaceutical composition and the like of the present application includes oral administration and parenteral administration.
- parenteral administration method include intravascular administration (intra-arterial administration, intravenous administration, etc.), intramuscular administration, subcutaneous administration, Examples include, but are not limited to, intradermal, intraperitoneal, nasal, pulmonary, and transdermal administrations.
- the pharmaceutical composition or the like of the present application can be administered systemically or locally (for example, subcutaneously, intradermally, skin surface, eyeball or eyelid conjunctiva) by injection administration, for example, intravenous injection, intramuscular injection, intraperitoneal injection, subcutaneous injection and the like. , Nasal mucosa, buccal and gastrointestinal mucosa, vaginal / intrauterine mucosa, or site of injury).
- nuclear protein or its fragment peptide of the present application a cell that secretes the nuclear protein or its fragment peptide, a gene therapy vector into which DNA encoding the nuclear protein or its fragment peptide is inserted, and Pharmaceutical compositions can also be used.
- the administration method can be appropriately selected depending on the age and symptoms of the patient.
- the dose can be selected within the range of 0.0000001 mg to 1000 mg per 1 kg of body weight per administration.
- the dose can be selected in the range of 0.00001 to 100000 mg / body per patient.
- the amount of the nuclear protein or its fragment peptide is in the above range. It can be administered within.
- the pharmaceutical composition in the present application is not limited to these dosages.
- the pharmaceutical composition of the present application can be formulated according to a conventional method (for example, Remington's Pharmaceutical Science, Latest Edition, Mark Publishing Company, Easton, USA), which contains both pharmaceutically acceptable carriers and additives.
- a conventional method for example, Remington's Pharmaceutical Science, Latest Edition, Mark Publishing Company, Easton, USA
- pharmaceutically acceptable carriers and additives There may be.
- surfactants, excipients, coloring agents, flavors, preservatives, stabilizers, buffers, suspending agents, isotonic agents, binders, disintegrants, lubricants, fluidity enhancers, flavoring agents And the like, but not limited thereto, and other commonly used carriers can be used as appropriate.
- peptide C57BL / 6J mice (8 weeks old, male, weighing 25 g) were prepared and divided into a group to which the peptides NP-1 to 11 shown in the above table were administered and a control group.
- the peptide was administered by injecting a solution of each peptide adjusted to a concentration of 1 ⁇ g / ⁇ L using physiological saline as a solvent into the tail vein in an amount of 100 ⁇ L / animal (the dose of the peptide was 4 mg / kg). .
- physiological saline was injected into the tail vein in an amount of 100 ⁇ L / animal.
- the medium was replaced with a fresh one twice a week.
- the cells on the plate were stained using Differential Quik Stain Kit (Sysmex Corporation, Cat No. 16920), and the number of colonies containing 50 or more cells was counted.
- HMGB1 peptide 1-44 a peptide consisting of amino acid residues 1-44 of human HMGB1 protein (hereinafter referred to as HMGB1 peptide 1-44) having the activity of mobilizing mesenchymal stem cells into peripheral blood
- peripheral blood is administered on a solid phase. All colonies obtained as a result of culturing also have solid phase adhesion and self-replication ability, have been confirmed to be PDGFR ⁇ -positive, and have clustered transcriptome analysis data to perform gene-ontology analysis. From the results, it has been confirmed that the mesenchymal stem cells have a characteristic gene expression profile.
- colonies obtained as a result of culturing peripheral blood on solid phase are mesenchymal stem cells, and the increase in the number of colonies detected in solid phase culture of peripheral blood indicates an increase in the number of mesenchymal stem cells in peripheral blood it is conceivable that.
- mesenchymal stem cells hardly exist in peripheral blood, so it is considered that the increased amount of mesenchymal stem cells was mobilized into peripheral blood from tissues other than peripheral blood (eg, bone marrow).
- the number of colonies detected in solid-phase culture of peripheral blood after administration of a test substance can be used as an indicator of the activity of the test substance to mobilize mesenchymal stem cells into peripheral blood.
- Each peptide was administered on the first, third, fifth and seventh days after the start of drinking of the DSS aqueous solution at a concentration of 200 ⁇ L / mouse of a peptide solution adjusted to a concentration of 0.5 mg / mL using physiological saline as a solvent (peptide administration).
- the dose was 5 mg / kg) and injected into the tail vein.
- physiological saline was injected into the tail vein in an amount of 200 ⁇ L / animal on days 1, 3, 5, and 7 after the start of drinking the DSS aqueous solution.
- weight loss occurs as one of the symptoms of IBD, and it is thought that the cause is deterioration of nutritional status due to inflammation and tissue damage (such as ulcers) occurring in the intestinal mucosa.
- tissue damage such as ulcers
- intravenous injection of mesenchymal stem cells in an animal IBD model improves various symptoms including weight loss, intestinal epithelial damage, and infiltration of inflammatory cells. The improvement of such symptoms is attributable to suppression of inflammation of the intestinal mucosa by the anti-inflammatory action of mesenchymal stem cells and, as a result, promotion of regeneration of mucosal tissues.
- the administration of the fragment peptide of the nucleoprotein of the present application to the IBD model mouse suppressed the weight loss. This is considered to be the result of the recruitment of mesenchymal stem cells into peripheral blood by the action of the fragment peptide of the nuclear protein, and the cells exerting an inflammation-suppressing effect and a tissue regeneration effect.
- mice Preparation of model mouse for psoriasis C57BL / 6 mice (7 weeks old, female, weighing about 20 g) were prepared. To induce psoriasis, a cream containing 5% imiquimod was applied to the auricular skin of the mouse at a dose of 25 mg / one ear / day (1.25 mg as imiquimod / one ear / day) once a day for 7 days. In addition, mice to which imiquimod was not applied (hereinafter, referred to as “normal mice”) were used as comparison targets.
- mice Animals administered at a dose of 100 ⁇ L / day of NP-3 peptide solution adjusted to a concentration of 1 ⁇ g / ⁇ L using physiological saline as a solvent for 7 days from the first day of application of imiquimod (Day 1). The dose was 5 mg / kg / day) by injection into the tail vein.
- physiological saline was injected into the tail vein at a rate of 100 ⁇ L / day for 7 days from the first day of imiquimod application.
- Normal mice (n 4) received no administration of the substance.
- Symptoms of psoriasis vulgaris include skin erythema, thickening, scale / desquamation, etc., which are caused by abnormalities of the immune system and the resulting inflammation and hyperproliferation of keratinocytes.
- the mouse used in this experiment is a model in which imiquimod is applied to the skin of the ear to produce psoriatic vulgaris-like symptoms (erythema and thickening).
- skin thickening induced by imiquimod was suppressed by administering the fragment peptide of the nucleoprotein of the present application. This is considered to be the result of the recruitment of mesenchymal stem cells into the peripheral blood by the action of the fragment peptide of the nuclear protein, and the cells exerting an immunoregulatory effect and an inflammation suppressing effect.
- the nuclear protein or its fragment peptide of the present application can be used as a therapeutic agent for inflammatory diseases, autoimmune diseases, fibrotic diseases, and diseases involving tissue damage / ischemia / necrosis.
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Abstract
Description
〔1〕
核タンパク質またはその断片ペプチドを含有する、末梢血への間葉系幹細胞の動員に用いるための組成物。
〔2〕
核タンパク質またはその断片ペプチドを含有する、末梢血への間葉系幹細胞の動員による、対象における疾患または病的状態の治療に用いるための組成物。
〔3〕
疾患または病的状態の治療が、炎症抑制治療、免疫調節治療、組織の再生誘導治療、および組織の線維化抑制治療から選択される、〔2〕に記載の組成物。
〔4〕
疾患または病的状態が、炎症性疾患、自己免疫疾患、組織の損傷、虚血もしくは壊死を伴う疾患、および線維性疾患から選択される、〔2〕に記載の組成物。
〔5〕
疾患または病的状態が、炎症性腸疾患および乾癬から選択される、〔2〕に記載の組成物。
〔6〕
核タンパク質またはその断片ペプチドを含有する、炎症性腸疾患および乾癬から選択される疾患の治療に用いるための組成物。
〔7〕
核タンパク質またはその断片ペプチドが、核移行シグナルを含むものである、〔1〕から〔6〕のいずれかに記載の組成物。
〔8〕
核タンパク質またはその断片ペプチドが、転写調節に関与する核タンパク質またはその断片ペプチドである、〔1〕から〔7〕のいずれかに記載の組成物。
〔9〕
核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、〔1〕から〔8〕のいずれかに記載の組成物:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。
〔10〕
核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、〔1〕から〔9〕のいずれかに記載の組成物:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。
〔11〕
核タンパク質の断片ペプチドが、以下から選択される断片ペプチドである、〔1〕から〔10〕のいずれかに記載の組成物:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。
〔12〕
以下から選択される核タンパク質の断片ペプチド:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。
〔13〕
核移行シグナルを含むものである、〔12〕に記載の断片ペプチド。
〔14〕
以下から選択される核タンパク質の断片ペプチドである、〔12〕または〔13〕に記載の断片ペプチド:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。
〔15〕
以下から選択される、〔12〕から〔14〕のいずれかに記載の断片ペプチド:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。
〔A1〕
核タンパク質またはその断片ペプチドの有効量を対象に投与する工程を含む、末梢血へ間葉系幹細胞を動員する方法。
〔A2〕
核タンパク質またはその断片ペプチドの有効量を対象に投与する工程を含む、末梢血への間葉系幹細胞の動員により、対象における疾患または病的状態を治療する方法。
〔A3〕
疾患または病的状態の治療が、炎症抑制治療、免疫調節治療、組織の再生誘導治療、および組織の線維化抑制治療から選択される、〔A2〕に記載の方法。
〔A4〕
疾患または病的状態が、炎症性疾患、自己免疫疾患、組織の損傷、虚血もしくは壊死を伴う疾患、および線維性疾患から選択される、〔A2〕に記載の方法。
〔A5〕
疾患または病的状態が、炎症性腸疾患および乾癬から選択される、〔A2〕に記載の方法。
〔A6〕
核タンパク質またはその断片ペプチドの有効量を対象に投与する工程を含む、炎症性腸疾患および乾癬から選択される対象における疾患を治療する方法。
〔A7〕
核タンパク質またはその断片ペプチドが、核移行シグナルを含むものである、〔A1〕から〔A6〕のいずれかに記載の方法。
〔A8〕
核タンパク質またはその断片ペプチドが、転写調節に関与する核タンパク質またはその断片ペプチドである、〔A1〕から〔A7〕のいずれかに記載の方法。
〔A9〕
核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、〔A1〕から〔A8〕のいずれかに記載の方法:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。
〔A10〕
核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、〔A1〕から〔A9〕のいずれかに記載の方法:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。
〔A11〕
核タンパク質の断片ペプチドが、以下から選択される断片ペプチドである、〔A1〕から〔A10〕のいずれかに記載の方法:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。
〔B1〕
末梢血への間葉系幹細胞の動員に用いるための、核タンパク質またはその断片ペプチド。
〔B2〕
末梢血への間葉系幹細胞の動員による、対象における疾患または病的状態の治療に用いるための、核タンパク質またはその断片ペプチド。
〔B3〕
疾患または病的状態の治療が、炎症抑制治療、免疫調節治療、組織の再生誘導治療、および組織の線維化抑制治療から選択される、〔B2〕に記載の核タンパク質またはその断片ペプチド。
〔B4〕
疾患または病的状態が、炎症性疾患、自己免疫疾患、組織の損傷、虚血もしくは壊死を伴う疾患、および線維性疾患から選択される、〔B2〕に記載の核タンパク質またはその断片ペプチド。
〔B5〕
疾患または病的状態が、炎症性腸疾患および乾癬から選択される、〔B2〕に記載の核タンパク質またはその断片ペプチド。
〔B6〕
炎症性腸疾患および乾癬から選択される疾患の治療に用いるための、核タンパク質またはその断片ペプチド。
〔B7〕
核移行シグナルを含むものである、〔B1〕から〔B6〕のいずれかに記載の核タンパク質またはその断片ペプチド。
〔B8〕
転写調節に関与する核タンパク質またはその断片ペプチドである、〔B1〕から〔B7〕のいずれかに記載の核タンパク質またはその断片ペプチド。
〔B9〕
以下から選択される、〔B1〕から〔B8〕のいずれかに記載の核タンパク質またはその断片ペプチド:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。
〔B10〕
以下から選択される、〔B1〕から〔B9〕のいずれかに記載の核タンパク質またはその断片ペプチド:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。
〔B11〕
以下から選択される、〔B1〕から〔B10〕のいずれかに記載の核タンパク質またはその断片ペプチド:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。
〔C1〕
末梢血への間葉系幹細胞の動員のための医薬または試薬の製造における、核タンパク質またはその断片ペプチドの使用。
〔C2〕
末梢血への間葉系幹細胞の動員による、対象における疾患または病的状態の治療のための医薬の製造における、核タンパク質またはその断片ペプチドの使用。
〔C3〕
疾患または病的状態の治療が、炎症抑制治療、免疫調節治療、組織の再生誘導治療、および組織の線維化抑制治療から選択される、〔C2〕に記載の使用。
〔C4〕
疾患または病的状態が、炎症性疾患、自己免疫疾患、組織の損傷、虚血もしくは壊死を伴う疾患、および線維性疾患から選択される、〔C2〕に記載の使用。
〔C5〕
疾患または病的状態が、炎症性腸疾患および乾癬から選択される、〔C2〕に記載の使用。
〔C6〕
炎症性腸疾患および乾癬から選択される疾患の治療のための医薬の製造における、核タンパク質またはその断片ペプチドの使用。
〔C7〕
核タンパク質またはその断片ペプチドが、核移行シグナルを含むものである、〔C1〕から〔C6〕のいずれかに記載の使用。
〔C8〕
核タンパク質またはその断片ペプチドが、転写調節に関与する核タンパク質またはその断片ペプチドである、〔C1〕から〔C7〕のいずれかに記載の使用。
〔C9〕
核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、〔C1〕から〔C8〕のいずれかに記載の使用:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。
〔C10〕
核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、〔C1〕から〔C9〕のいずれかに記載の使用:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。
〔C11〕
核タンパク質の断片ペプチドが、以下から選択される断片ペプチドである、〔C1〕から〔C10〕のいずれかに記載の使用:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。
1) High mobility group box 1(HMGB1)タンパク質;
2) High mobility group box 2(HMGB2)タンパク質;
3) High mobility group box 3(HMGB3)タンパク質;
4) S100 calcium-binding protein A8(S100A8)タンパク質;
5) S100 calcium-binding protein A9(S100A9)タンパク質;および
6) Interleukin-1(IL-1)ファミリーのサイトカイン。一つの態様において、本願の核タンパク質は、間葉系幹細胞を末梢血中に動員する活性を有するタンパク質である。
1. BTF3タンパク質(Basic transcription factor 3);
2. SUPT16Hタンパク質(Suppressor of Ty 16 Homolog; またはFacilitates chromatin transcription complex subunit SPT16);
3. YBX1タンパク質(Y-Box binding protein 1; またはNuclease-sensitive element-binding protein 1);
4. NPM1タンパク質(Nucleophosmin 1);
5. PA2G4タンパク質(Proliferation-associated protein 2G4);
6. PFDN5タンパク質(Prefoldin subunit 5);
7. PSMC3タンパク質(Proteasome (Prosome, Macropain) 26S subunit, ATPase 3; または26S proteasome regulatory subunit 6A);
8. HNRNPKタンパク質(Heterogeneous nuclear ribonucleoprotein K);および
9. 1から8より選択されるタンパク質と機能的に同等な核タンパク質。
(I)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(II)配列番号:1から34より選択されるアミノ酸配列からなる、核タンパク質;
(III)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;
(IV)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列からなる、核タンパク質;
(V)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質;
(VI)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列からなる、核タンパク質;
(VII)配列番号:57から90より選択される塩基配列からなるDNAによりコードされる、核タンパク質;および
(VIII)配列番号:57から90より選択される塩基配列からなるDNAとストリンジェントな条件下でハイブリダイズするDNAによりコードされる、核タンパク質。
(i)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(ii)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(iii)配列番号:35から56より選択されるアミノ酸配列からなる、核タンパク質の断片ペプチド;
(iv)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(v)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;
(vi)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列からなる、核タンパク質の断片ペプチド;
(vii)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド;
(viii)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列からなる、核タンパク質の断片ペプチド;
(ix)配列番号:91から112より選択される塩基配列からなるDNAによりコードされる、核タンパク質の断片ペプチド;および
(x)配列番号:91から112より選択される塩基配列からなるDNAとストリンジェントな条件下でハイブリダイズするDNAによりコードされる、核タンパク質の断片ペプチド。
(1)配列番号:1から2より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:35に記載のアミノ酸配列を含む断片ペプチド;
(2)配列番号:3に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:36に記載のアミノ酸配列を含む断片ペプチド;
(3)配列番号:4に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:37から39より選択されるアミノ酸配列を含む断片ペプチド;
(4)配列番号:5から7より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:40から41より選択されるアミノ酸配列を含む断片ペプチド;
(5)配列番号:8に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:42に記載のアミノ酸配列を含む断片ペプチド;
(6)配列番号:9に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:43に記載のアミノ酸配列を含む断片ペプチド;
(7)配列番号:10に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:44に記載のアミノ酸配列を含む断片ペプチド;
(8)配列番号:11から16より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:45に記載のアミノ酸配列を含む断片ペプチド;
(9)配列番号:17から18より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:46に記載のアミノ酸配列を含む断片ペプチド;
(10)配列番号:19に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:47に記載のアミノ酸配列を含む断片ペプチド;
(11)配列番号:20に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:48から50より選択されるアミノ酸配列を含む断片ペプチド;
(12)配列番号:21、23および24より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:51に記載のアミノ酸配列を含む断片ペプチド;
(13)配列番号:21から26より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:52に記載のアミノ酸配列を含む断片ペプチド;
(14)配列番号:27に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:53に記載のアミノ酸配列を含む断片ペプチド;
(15)配列番号:28から29より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:54に記載のアミノ酸配列を含む断片ペプチド;
(16)配列番号:30に記載のアミノ酸配列の一部からなる断片ペプチドであって、配列番号:55に記載のアミノ酸配列を含む断片ペプチド;および
(17)配列番号:31から34より選択されるアミノ酸配列の一部からなる断片ペプチドであって、配列番号:56に記載のアミノ酸配列を含む断片ペプチド。
核タンパク質の断片ペプチドによる間葉系幹細胞の動員
i)ペプチドの製造
以下の表に示す核タンパク質の断片ペプチドを、固相法により化学的に合成した(得られたペプチドは、いずれもトリフルオロ酢酸(TFA)塩の形態である)。
C57BL/6Jマウス(8週齢、雄、体重25g)を用意し、前出の表に記載のペプチドNP-1~11を投与する群と対照群に分けた。ペプチドの投与は、生理食塩水を溶媒として1μg/μLの濃度に調整した各ペプチドの溶液を100μL/匹の量(ペプチドの投与量としては4mg/kg)で尾静脈に注入することにより行った。対照群には、生理食塩水を100μL/匹の量で尾静脈に注入した。
生理食塩水またはペプチドNP-1~11の投与から一定時間後(NP-1~6および8は14時間後、NP-7、10および11は16時間後、NP-9は24時間後)に、全身麻酔下で心臓から末梢血を約800-1000μL採取した(ヘパリンを含有する1 mLシリンジを使用)。赤血球を除去するため、採取した血液と等量のHetasep(STEMCELL Technologies社、Cat No. ST-07906)を加え、100Gで2分間遠心し、室温で15分間インキュベートした後、上清を回収した。当該上清を、末梢血中の有核細胞を含むサンプルとして次の実験に供した。
上記の手順によって得た上清(末梢血由来細胞含有サンプル)を、コラーゲンIでコートされた6ウェルプレート(Corning社、Cat No. 356400)に播種し、MesenCult Expansion Kit(STEMCELL Technologies社、Cat No. ST-05513)を利用して当該キットのマニュアル通りに調製したExpansion Mediumに1% L-glutamine(ナカライテスク社)、10μM ROCK inhibitor(Y27632、Tocris Bioscience社)および 1% ペニシリン/ストレプトマイシン(ナカライテスク社)を含有させた培地(数値はいずれも終濃度)を用いて、37℃、5%CO2、5%O2の条件下で10日間培養した。培養期間中は1週間に2回、培地を新鮮なものに交換した。培養10日目に、Differential Quik Stain Kit(シスメックス株式会社、Cat No. 16920)を用いてプレート上の細胞を染色し、50個以上の細胞を含むコロニーの数をカウントした。
ペプチドNP-1~11のいずれを投与したマウスにおいても、生理食塩水を投与したマウスと比較して、末梢血由来細胞の培養によってプレート上に得られるコロニーの数が多かった(図1~4)。
炎症性腸疾患に対する核タンパク質由来ペプチドの有効性
i)薬剤
デキストラン硫酸ナトリウム(DSS)(分子量5,000~6,000、ナカライテスク社製、カタログ番号10930-94)を水に溶解し、2.5%(w/v)のDSS水溶液を調製した。また、実施例1に記載のペプチドNP-1~4(いずれもTFA塩)を被験物質として用いた。
C57BL/6Jマウス(8週齢、オス、体重約20g)に精製水(RO水)に代えて2.5%DSS水溶液を自由飲水させることにより、大腸炎を誘発した(DSS水溶液の飲水は10日間継続した)。
上記の通り作成したIBDモデルマウスをペプチド投与群(NP-1~4、各n=3)および対照群(n=3)に分けた。各ペプチドの投与は、DSS水溶液の飲水開始後1、3、5および7日目に、生理食塩水を溶媒として0.5mg/mLの濃度に調整したペプチド溶液を200μL/匹の量(ペプチドの投与量としては5mg/kg)で尾静脈に注入することにより行った。対照群には、DSS水溶液の飲水開始後1、3、5および7日目に、生理食塩水を200μL/匹の量で尾静脈に注入した。
DSS水溶液の飲水開始から10日間、毎日、マウスの体重を測定した。
試験期間中におけるマウスの体重変化を図5~8に示す(対照群について「Saline」、ペプチドNP-1~4投与群について「NP-1」、「NP-2」、「NP-3」および「NP-4」参照)。対照群の体重は日数経過に伴って減少し、DSS水溶液の飲水開始後10日目ではDSS飲水開始前に比較して約87%となった。これに対し、ペプチドNP-1~4投与群ではいずれも、対照群と比較して体重減少が抑制されており、DSS水溶液の飲水開始後10日目の体重は対照群より顕著に大きかった。
乾癬に対する核タンパク質由来ペプチドの有効性
i)薬剤
イミキモドによる乾癬誘発のために、5%イミキモド含有クリーム(ベセルナクリーム5%、持田製薬株式会社製)を用いた。なお、本願実施例に対応する図面においてはイミキモドをIMQと表記する。また、実施例1に記載のペプチドNP-3(TFA塩)を被験物質として用いた。
C57BL/6マウス(7週齢、メス、体重約20g)を用意した。乾癬を誘発するため、5%イミキモド含有クリームを当該マウスの耳介皮膚に25mg/片耳/日の量(イミキモドとして1.25mg/片耳/日)で1日1回、7日間塗布した。また、イミキモドの塗布を行わなかったマウス(以下、「正常マウス」と称する)を比較対象として用いた。
上記の通り作成した乾癬モデルマウスをペプチド投与群(n=4)および対照群(n=4)に分けた。被験物質の投与は、イミキモド塗布開始1日目(Day 1)から7日間、生理食塩水を溶媒として1μg/μLの濃度に調整したNP-3ペプチドの溶液を100μL/日の量(ペプチドの投与量としては5mg/kg/日)で尾静脈に注入することにより行った。対照群には、イミキモド塗布開始1日目から7日間、生理食塩水を100μL/日の量で尾静脈に注入した。正常マウス(n=4)には物質の投与を行わなかった。
試験期間中、マイクロメーター(株式会社ミツトヨ製、製品番号CLM1-15QM)を用いてマウスの耳介厚を毎日測定し、イミキモド塗布開始前(Day 0)における耳介厚からの変化量を算出し、当該変化量を指標として皮膚の肥厚の程度を評価した。
試験期間中におけるマウスの耳介厚の変化を図9に示す(正常マウスについて「Non treat」、対照群について「IMQ/saline」、ペプチドNP-3投与群について「IMQ/NP-3」参照)。乾癬モデルマウス(対照群およびペプチドNP-3投与群)の耳介厚は日数経過に伴って増大した。ペプチドNP-3投与群では、対照群と比較して耳介厚の増大が抑制されていた。
Claims (15)
- 核タンパク質またはその断片ペプチドを含有する、末梢血への間葉系幹細胞の動員に用いるための組成物。
- 核タンパク質またはその断片ペプチドを含有する、末梢血への間葉系幹細胞の動員による、対象における疾患または病的状態の治療に用いるための組成物。
- 疾患または病的状態の治療が、炎症抑制治療、免疫調節治療、組織の再生誘導治療、および組織の線維化抑制治療から選択される、請求項2に記載の組成物。
- 疾患または病的状態が、炎症性疾患、自己免疫疾患、組織の損傷、虚血もしくは壊死を伴う疾患、および線維性疾患から選択される、請求項2に記載の組成物。
- 疾患または病的状態が、炎症性腸疾患および乾癬から選択される、請求項2に記載の組成物。
- 核タンパク質またはその断片ペプチドを含有する、炎症性腸疾患および乾癬から選択される疾患の治療に用いるための組成物。
- 核タンパク質またはその断片ペプチドが、核移行シグナルを含むものである、請求項1から6のいずれかに記載の組成物。
- 核タンパク質またはその断片ペプチドが、転写調節に関与する核タンパク質またはその断片ペプチドである、請求項1から7のいずれかに記載の組成物。
- 核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、請求項1から8のいずれかに記載の組成物:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。 - 核タンパク質またはその断片ペプチドが、以下から選択される核タンパク質またはその断片ペプチドである、請求項1から9のいずれかに記載の組成物:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。 - 核タンパク質の断片ペプチドが、以下から選択される断片ペプチドである、請求項1から10のいずれかに記載の組成物:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。 - 以下から選択される核タンパク質の断片ペプチド:
(1)BTF3タンパク質;
(2)SUPT16Hタンパク質;
(3)YBX1タンパク質;
(4)NPM1タンパク質;
(5)PA2G4タンパク質;
(6)PFDN5タンパク質;
(7)PSMC3タンパク質;
(8)HNRNPKタンパク質;および
(9)(1)から(8)より選択されるタンパク質と機能的に同等な核タンパク質。 - 核移行シグナルを含むものである、請求項12に記載の断片ペプチド。
- 以下から選択される核タンパク質の断片ペプチドである、請求項12または13に記載の断片ペプチド:
(a)配列番号:1から34より選択されるアミノ酸配列を含む、核タンパク質;
(b)配列番号:1から34より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質;および
(c)配列番号:1から34より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質。 - 以下から選択される、請求項12から14のいずれかに記載の断片ペプチド:
(a)配列番号:1から34より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(b)配列番号:35から56より選択されるアミノ酸配列を含む、核タンパク質の断片ペプチド;
(c)配列番号:35から56より選択されるアミノ酸配列の一部からなる、核タンパク質の断片ペプチド;
(d)配列番号:35から56より選択されるアミノ酸配列において1若しくは複数個のアミノ酸が置換、欠失、挿入若しくは付加されたアミノ酸配列を含む、核タンパク質の断片ペプチド;および
(e)配列番号:35から56より選択されるアミノ酸配列と約80%以上の配列同一性を有するアミノ酸配列を含む、核タンパク質の断片ペプチド。
Priority Applications (4)
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CN201980077484.0A CN113382743A (zh) | 2018-10-05 | 2019-10-04 | 基于间充质干细胞的动员的疾病治疗药 |
JP2020551097A JP7452798B2 (ja) | 2018-10-05 | 2019-10-04 | 間葉系幹細胞の動員に基づく疾患治療薬 |
US17/282,872 US20210347839A1 (en) | 2018-10-05 | 2019-10-04 | Disease Treatment Drug Based on Mesenchymal-Stem-Cell Mobilization |
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Cited By (4)
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US11191786B2 (en) | 2009-10-28 | 2021-12-07 | StemRIM Inc. | Agents for promoting tissue regeneration by recruiting bone marrow mesenchymal stem cells and/or pluripotent stem cells into blood |
US11197895B2 (en) | 2008-04-30 | 2021-12-14 | StemRIM Inc. | Method for collecting functional cells in vivo with high efficiency |
US11298403B2 (en) | 2017-12-01 | 2022-04-12 | StemRIM Inc. | Therapeutic agent for inflammatory bowel disease |
US11969459B2 (en) | 2017-01-27 | 2024-04-30 | StemRIM Inc. | Therapeutic agent for cardiomyopathy, old myocardial infarction and chronic heart failure |
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Cited By (4)
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US11197895B2 (en) | 2008-04-30 | 2021-12-14 | StemRIM Inc. | Method for collecting functional cells in vivo with high efficiency |
US11191786B2 (en) | 2009-10-28 | 2021-12-07 | StemRIM Inc. | Agents for promoting tissue regeneration by recruiting bone marrow mesenchymal stem cells and/or pluripotent stem cells into blood |
US11969459B2 (en) | 2017-01-27 | 2024-04-30 | StemRIM Inc. | Therapeutic agent for cardiomyopathy, old myocardial infarction and chronic heart failure |
US11298403B2 (en) | 2017-12-01 | 2022-04-12 | StemRIM Inc. | Therapeutic agent for inflammatory bowel disease |
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EP3862018A1 (en) | 2021-08-11 |
JP7452798B2 (ja) | 2024-03-19 |
EP3862018A4 (en) | 2022-06-29 |
CN113382743A (zh) | 2021-09-10 |
US20210347839A1 (en) | 2021-11-11 |
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