WO2020085533A1 - Sod3를 과발현시킨 줄기세포 유래 세포외 소낭의 신규한 용도 - Google Patents
Sod3를 과발현시킨 줄기세포 유래 세포외 소낭의 신규한 용도 Download PDFInfo
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- WO2020085533A1 WO2020085533A1 PCT/KR2018/012712 KR2018012712W WO2020085533A1 WO 2020085533 A1 WO2020085533 A1 WO 2020085533A1 KR 2018012712 W KR2018012712 W KR 2018012712W WO 2020085533 A1 WO2020085533 A1 WO 2020085533A1
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- stem cells
- atopic dermatitis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/28—Bone marrow; Haematopoietic stem cells; Mesenchymal stem cells of any origin, e.g. adipose-derived stem cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/44—Oxidoreductases (1)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/44—Oxidoreductases (1)
- A61K38/446—Superoxide dismutase (1.15)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
- A61K8/66—Enzymes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/98—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of animal origin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/98—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of animal origin
- A61K8/981—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of animal origin of mammals or bird
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
- A61K9/0021—Intradermal administration, e.g. through microneedle arrays or needleless injectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
Definitions
- the present invention relates to a pharmaceutical composition for preventing or treating atopic dermatitis comprising as an active ingredient an extracellular vesicle derived from stem cells overexpressing super oxide di smutase 3 (S0D3).
- S0D3 super oxide di smutase 3
- Inflammatory disease refers to a condition in which edema, redness, and pain appear, and histological changes occur as well as infiltration of inflammatory immune cells in various organs or tissues of the human body due to various external stimuli or internal factors. This inflammation is triggered by a variety of chemical mediators produced from damaged tissues and moving cells (dragon 061 1), which are known to vary depending on the type of inflammatory process. In the normal case, the living body neutralizes or eliminates the pathogen through an inflammatory reaction and regenerates the upper tissue to restore normal structure and function. Otherwise, it progresses to a disease state such as chronic inflammation.
- the most common inflammatory disease prevention or treatment for treating these inflammatory diseases is largely divided into steroidal and nonsteroidal inflammatory disease prevention or treatment, and most synthetic inflammatory disease prevention or treatment solvents have various side effects in addition to their main function. Since it is often accompanied, it has an excellent effect, and there is an urgent need for the development or treatment of inflammatory diseases with few side effects.
- S0D super oxide di smutase
- S0DCS0D 1 Mn with manganese atoms
- -S0D (S0D 2) and EC-SOD extracel lular superoxide dismutase
- the EC-S0D protein S0D3 (superoxide di smutase 3, extracel lular) is secreted outside the cell
- the amino acid sequence of human normal (wi ld-type, WT) S0D3 protein is accession such as NP_003093.2 of NCBI Genbank database. It is known as number.
- the base sequence of mRNA encoding human S0D3 protein is known as an accession number such as ⁇ _003102.2.
- the present inventors studied a therapeutic agent having an excellent therapeutic effect in an inflammatory disease with a significantly low side effect, and immunomodulation and immunoregulation when administering extracellular vesicles derived from stem cells ( ⁇ 3 overexpressed) to individuals with atopy.
- the present invention was completed by discovering that atopy is treated by remarkably improving functions such as antioxidant effect.
- an object of the present invention is to provide a pharmaceutical composition for preventing or treating atopic dermatitis comprising as an active ingredient an extracellular vesicle derived from stem cells overexpressing superoxide di smutase 3 (S0D3). It is also an object of the present invention to provide a pharmaceutical composition for preventing or treating atopic dermatitis consisting of extracellular vesicles derived from stem cells overexpressing superoxide di smutase 3 (S0D3). It is also an object of the present invention to provide a pharmaceutical composition for preventing or treating atopic dermatitis consisting essentially of extracellular vesicles derived from stem cells overexpressing super oxide di smutase 3 (S0D3).
- Another object of the present invention is to provide a cosmetic composition for preventing or improving atopic dermatitis comprising as an active ingredient an extracellular vesicle derived from stem cells overexpressing superoxide di smutase 3 (S0D3). It is also an object of the present invention to provide a cosmetic composition for preventing or improving atopic dermatitis consisting of extracellular vesicles derived from stem cells overexpressing super oxide di smutase 3 (S0D3).
- Another object of the present invention is a step of transfecting the stem cells with a recombinant expression vector containing a polynucleotide encoding the example; And extracting the extracellular vesicles by centrifuging the transfected stem cells; a method for manufacturing a pharmaceutical composition for preventing or treating atopy. Is to provide.
- Another object of the present invention is to provide the use of superoxide dismutase 3 (super oxide dismutase 3, S0D3) overexpressing stem cell-derived extracellular vesicles for the preparation of atopic therapeutic agents.
- superoxide dismutase 3 super oxide dismutase 3, S0D3
- Another object of the present invention is to administer an effective amount of a composition containing an extracellular vesicle derived from stem cells overexpressing super oxide di smutase 3 (S0D3) as an active ingredient to an individual in need thereof It provides a method of treating atopic disease characterized by.
- S0D3 super oxide di smutase 3
- the present invention is a pharmaceutical composition for preventing or treating atopic dermatitis comprising extracellular vesicles derived from stem cells overexpressing superoxide di smutase 3 (S0D3) as an active ingredient. to provide.
- superoxide dismutase 3 superoxide dismutase 3 (super oxide di smutase 3,
- composition for preventing or treating atopic dermatitis composed of extracellular vesicles derived from stem cells overexpressing S0D3).
- present invention superoxide dismutase 3 (super oxide di smutase 3,
- compositions for preventing or treating atopic dermatitis consisting essentially of extracellular vesicles derived from stem cells overexpressing S0D3).
- superoxide di smutase 3 (super oxide di smutase 3, S0D3) overexpressed stem cell-derived extracellular vesicles as an active ingredient to prevent or improve atopic dermatitis cosmetic composition for providing do.
- the present invention provides a cosmetic composition for preventing or improving atopic dermatitis composed of extracellular vesicles derived from stem cells overexpressing super oxide di smutase 3 (S0D3).
- the present invention provides a cosmetic composition for preventing or improving atopic dermatitis consisting essentially of extracellular vesicles derived from stem cells overexpressing superoxide oxidase 3 (S0D3).
- the present invention comprises the steps of transfecting the stem cells with a recombinant expression vector containing a polynucleotide encoding ⁇ ⁇ ; It provides a method for manufacturing a pharmaceutical composition for preventing or treating atopy, characterized in that it comprises; extracting the extracellular vesicles by centrifuging the transfected stem cells.
- the present invention provides the use of stem cell-derived extracellular vesicles overexpressing super oxide di smutase 3 (S0D3) for preparing an agent for the treatment of atopy. do.
- S0D3 super oxide di smutase 3
- the present invention requires an effective amount of a composition comprising extracellular vesicles derived from stem cells overexpressing superoxide di smutase 3 (S0D3) as an active ingredient It provides a method of treating atopic disease characterized in that it is administered to an individual.
- S0D3 superoxide di smutase 3
- the present invention provides a pharmaceutical composition for preventing or treating atopic dermatitis comprising as an active ingredient an extracellular vesicle derived from stem cells overexpressing super oxide di smutase 3 (S0D3).
- the present invention provides a pharmaceutical composition for preventing or treating atopic dermatitis composed of extracellular vesicles derived from stem cells overexpressing superoxide di smutase 3 (S0D3).
- the present invention provides a pharmaceutical composition for preventing or treating atopic dermatitis consisting essentially of extracellular vesicles derived from stem cells overexpressing superoxide dismutase 3 (313 ⁇ 4) 610 6 51111 336 3, example).
- the inventors of the present invention have previously confirmed the effect of treating inflammatory diseases of stem cells overexpressing S0D3 (see Korean Patent Publication No. 10-2017-0032872).
- stem cell-based therapeutics have many difficulties in commercialization of products as well as clinical trials due to high price, long-term side effects, and difficulty in managing raw materials. Therefore, the present inventors were studying the therapeutic agent that has the advantages of the therapeutic agent using stem cells, and confirmed that the extracellular vesicles derived from S0D3 overexpressing cells (extracel lular vesicle, EV) retain the advantages of the S0D3 overexpressing stem cells.
- extracellular vesicle means that cells release various vesicles of various membrane types into the extracellular environment. Extracellular vesicles are also called cell membrane-derived endoplasmic reticulum, ectosomes, shedding vesicles, microparticles, exosomes, etc. In some cases, they are used separately from exosomes. The present invention is not limited to this.
- the extracellular vesicles of the present invention are derived from stem cells overexpressing S0D3, the S0D3 can be expressed as a protein, and the S0D3 protein catalyzes the dismutation reaction of anions, and is secreted outside the cell to extracellular matrix (extracel lular matrix), and exhibits anti-angiogenic, anti-chemotactic, and anti-cancer activities.
- S0D3 refers to a mammal derived from humans and mice, preferably a protein derived from humans, and most preferably includes the amino acid sequence of a human normal S0D3 protein represented by SEQ ID NO: 1 or SEQ ID NO: 2. It may be. Or it may be to include the amino acid sequence of the recombinant S0D3 protein (209E-SOD3) represented by SEQ ID NO: 3 or SEQ ID NO: 4.
- the human normal S0D3 is a signal peptide up to the 18th alanine, including the starting methionine amino acid at the N-terminal site, and activated S0D3 is composed of 222 amino acids from which the signal peptide is removed.
- the C-terminal region of S0D3 (amino acid residues 210 to 215) has a heparin binding domain ' .
- the amino acid sequence of the full length human S0D3 consisting of 240 amino acids including the signal peptide is as shown in SEQ ID NO: 1 or SEQ ID NO: 2.
- S0D3 is a 209 amino acid in which 13 amino acids (amino acid residues 210 to 222) are removed, which contain a signal peptide at the N-terminal region and a heparin binding domain at the C-terminal region of human S0D3 of full length. It may be made of.
- the signal peptide and the S0D3 protein from which the heparin binding domain is removed may be referred to as 209E- S0D3 or 209E in the present invention, and preferably may have an amino acid sequence represented by SEQ ID NO: 3 or SEQ ID NO: 4.
- the 209E-S0D3 can also bind to the anti-S0D3 antibody, and has been confirmed to have the same enzyme activity and R0S removal activity as the normal S0D3 (Korean Patent Publication No. 10-2008-0108876).
- S0D3 includes all functional equivalents (funct ional equivalent), functional derivatives (funct ional der ivat ive), and fragments of the S0D3 protein, which have substantially equivalent physiological activity to the normal S0D3 or 209E-S0D3 protein.
- Substantially equivalent physiological activity means having the same level of enzyme activity and / or extracellular secretion properties and intracellular permeability as normal S0D3, and overexpression in stem cells, preferably mesenchymal stem cells, due to the enzyme activity equivalent to S0D3 When it is done, it improves the immune and inflammation control ability of stem cells.
- the immune and inflammatory control ability of the stem cells is specifically, suppression of invasion of immune cells due to inflammation, proliferation and differentiation of pro-inflammatory T cells, and suppression of expression of pro-inflammatory mediator / cytokine, Treg cells having inflammatory control ability Means proliferation and differentiation and increased expression of Treg-related cytokines, inhibition of phosphorylation of the NFkB signaling system, and the like as described in the characteristics of stem cells overexpressing S0D3 of the present invention described herein.
- the functional equivalent of VIII is preferably SEQ ID NO: 1 to SEQ ID NO: 4 It may be a polyfeldtide having a sequence homology with at least 70%, preferably 80% or more, and more preferably 90% or more of the amino acid sequence displayed.
- the functional equivalent may be generated as a result of addition, substitution, or deletion of some of the amino acid sequences of S0D3 of the present invention.
- the substitution of amino acids in the above is preferably a conservative substitution.
- amino acids examples include aliphatic amino acids (Gly, Ala, Pro), hydrophobic amino acids (lie, Leu, Val), aromatic amino acids (Phe, Tyr, Trp), acidic amino acids (Asp , Glu), basic amino acids (His, Lys, Arg, Gin, Asn) and sulfur-containing amino acids (Cys, Met).
- the functional equivalent includes a variant in which a part of amino acids is deleted on the amino acid sequence of S0D3 of the present invention. The deletion or substitution of the amino acid is preferably located in a region not directly related to the physiological activity of the S0D3 protein.
- S0D3 may be a peptide in which a portion of the entire length of S0D3 is removed without affecting the enzyme activity of S0D3, such as 209E-S0D3, and S0D3 such as SNP (smal 1 nucleotide polymorphism) having substantially equivalent physiological activity to S0D3 protein. It may be a polymorphism protein.
- polypeptide derivatives in which some chemical structures of proteins have been modified while maintaining the basic framework and physiological activity of the S0D3 protein of the present invention.
- structural modifications to change the stability, intracellular permeability, storage, volatile or solubility of the S0D3 protein of the present invention are included therein.
- the extracellular vesicle included as an active ingredient in the pharmaceutical composition of the present invention is derived from stem cells overexpressing ⁇ , and the stem cells may preferably be mesenchymal stem cells.
- the "mesenchymal stem cell (MSC)" of the present invention includes bones, cartilage, fat tissue, tendons (nerve tissue), fibroblasts ( Refers to a multipotent progenitor prior to differentiation into cells of specific organs such as fibroblasts and muscle cells.
- Mesenchymal stem cells are included in the composition in an undifferentiated state, that is, a stem cell state.
- the mesenchymal stem cells of the present invention may be derived from mammals, and preferably may be derived from humans.
- the mesenchymal stem cells of the present invention may be derived from tissue selected from the group consisting of umbilical cord, umbilical cord blood, placenta, bone marrow, adipose tissue, muscle, amniotic fluid, and amniotic membrane.
- the mesenchymal stem cells of the present invention may be umbilical cord blood or placenta-derived mesenchymal stem cells, most preferably umbilical cord blood-derived mesenchymal stem cells.
- Umbilical cord blood or placenta-derived mesenchymal stem cells have the characteristics of superior differentiation and proliferation ability than bone marrow-derived mesenchymal stem cells.
- umbilical cord blood used in the present invention refers to blood collected from umbilical vein connecting the placenta and fetus of a mammal.
- the umbilical cord blood can be easily collected from the donor's umbilical vein during childbirth. More specifically, in the case of normal vaginal delivery, the placenta still remains in the womb after childbirth, and can be collected from the umbilical vein exposed outside. Alternatively, in the case of a cesarean section, the placenta after birth is also taken from the umbilical vein in the state of being exposed outside the womb.
- stem cells collected from the placenta may be described as a term "placental stem cells,” which are stem cells or precursors derived from mammalian placenta regardless of shape, cell surface label, or number of passages after primary culture.
- a cell it refers to the attachment to a tissue culture substrate, such as tissue culture plastic or fibronectin coated tissue culture plate, but the term “placental stem cell” used herein refers to a trophoblast.
- a cell is a stem cell if it has at least one of the characteristics of a stem cell, for example, the ability to differentiate into at least one cell type.
- Mesenchymal stem cells can be isolated from placental or umbilical cord blood according to methods known in the art.
- the mesenchymal stem cells can be separated by any conventionally known separation method. For example, a separation method using a density difference (density gradient fract ionat ion, immunoselection, and differential adhesion separat ion.
- the method of separating and culturing mesenchymal stem cells from umbilical cord blood can be used for all methods that have been used previously.
- Cultivation of the mesenchymal stem cells isolated from the above can be performed in a cell culture medium known in the art, for example, but not limited to, DMEM medium, McCoys 5A medium, Eagle's basal medium, CMRL Badges, Glasgow minimum required medium, Ham's F-12 medium, Iscove's modi f ied Dulbecco's medium, Liebovi tz 'L-15 medium, RPMI 1640 medium KSB-3 basal media and more.
- one or more auxiliary components may be added to the cell culture medium, if necessary, including serum of fetal bovine serum, horse or human, and antibiotics and antifungal agents for preventing contamination of microorganisms. .
- the isolated or cultured stem cells can be stored by methods known in the art until use. In general, stem cells can be stored frozen after treatment with cryoprotected roots !!).
- the freeze protection treatment is known in the art ⁇ , glycerol, polyvinylpyrrolidone, polyethylene glycol, albumin, dext tube, sucrose, ethylene glycol, ⁇ erythritol, I)-ribitol, I) -mannitol, I) -Can be performed using a cryoprotectant such as sorbitol, inositol, I) -lactose or choline chloride.
- Stem cells over-expressing ⁇ ⁇ may be obtained by transducing a recombinant 'combination expression vector containing a polynucleotide encoding ⁇ into stem cells.
- n expression refers to the production of a protein or nucleic acid in a cell
- overexpression means that the level of expression of a particular gene is excessively increased than the normal or normal state.
- stem cells over-expressing S0D3 are specifically stem cells having an increased expression level of S0D3 protein, thereby increasing the activity of S0D3 protein.
- polynucleotide (1) 01 1111 (: 1601; 1 (16)" or nucleic acid refers to deoxyribonucleotide acids in single- or double-stranded form) or ribonucleotides (poetry. Otherwise, known analogs of natural nucleotides that hybridize to nucleic acids in a manner similar to naturally occurring nucleotides are also included.
- the most common way to overexpress S0D3 in stem cells is to artificially or experimentally introduce polynucleotides containing the S0D3 gene into stem cells to increase the copy number of the S0D3 gene.
- Injecting an exogenous polynucleotide that is not possessed by the original cell into the cell is called transfection, and a phenomenon in which the genetic trait of the cell is changed is called transformation.
- the process in which the exogenous polynucleotide is injected into a cell through a virus or a virus-derived vector is called transduction ion.
- transduction ion the process in which the exogenous polynucleotide is injected into a cell through a virus or a virus-derived vector.
- Transfection and ‘transfection’ are used in a similar sense as referring to the process or introduction of an exogenous polynucleotide into a cell to have a genetic trait different from the normal type.
- the polynucleotide encoding S0D3 may be a S0D3 gene derived from a mammal. Preferably, it may include a nucleotide sequence encoding human normal S0D3 represented by SEQ ID NO: 5 or SEQ ID NO: 6. Or it may include a nucleotide sequence encoding 209E-S0D3 represented by SEQ ID NO: 7 or SEQ ID NO: 8.
- ⁇ D3 consisting of the amino acid sequence of SEQ ID NO: 1 may be encoded by the nucleotide sequence shown in SEQ ID NO: 5, S0D3 consisting of the amino acid sequence of SEQ ID NO: 2 to the nucleotide sequence shown in SEQ ID NO: 6 Can be coded by
- S0D3 consisting of the amino acid sequence of SEQ ID NO: 3 may be encoded by the nucleotide sequence represented by SEQ ID NO: 7
- S0D3 consisting of the amino acid sequence of SEQ ID NO: 4 may be encoded by the nucleotide sequence represented by SEQ ID NO: 8 .
- polynucleotide encoding ⁇ also includes a sequence showing substantial identity to the nucleotide sequence of human ⁇ ⁇ , preferably the nucleotide sequence represented by SEQ ID NO: 5 to SEQ ID NO: 8. Substantive identity encodes the human ⁇ 2020/085533 1 »(: 1 ⁇ 1 ⁇ 2018/012712
- the protein encoded by the base sequence substantially identical to the base sequence of the polynucleotide encoding 3 ⁇ 3 is 8003 protein, preferably a functional equivalent of a protein comprising an amino acid sequence represented by SEQ ID NOs: 1 to 4 Can be.
- the functional equivalents of the 5003 protein are as previously described herein.
- ⁇ recombinant expression vector '' refers to a gene composition comprising an essential regulatory element operably linked to express a target protein or target nucleic acid (poetry-expressing vector, a polynucleotide (gene) insert) in a suitable host cell.
- Sacrifice which is operatively connected ""
- nucleic acid expression control sequence and the desired protein or nucleic acid sequence encoding a show are functionally linked (for £ 1111 101131 1 ⁇ ⁇ 6) to perform a general function. It means that the nucleic acid sequence is linked in such a way that gene expression is possible by an expression control sequence.
- a promoter and a nucleic acid sequence encoding a protein or a shock can be operably linked to affect the expression of the encoding nucleic acid sequence.
- Operational linkage with recombinant vectors can be made using genetic recombination techniques well known in the art, and site-specific cleavage and linkage uses enzymes, etc., generally known in the art.
- the recombinant expression vector of the present invention is not particularly limited as long as it is a vector commonly used in the cloning field, and examples thereof include, but are not limited to, plasmid vectors, cosmid vectors, bacteriophage vectors and viral vectors.
- vectors derived from viruses can be used.
- the above plasmid is E. coli-derived plasmid 081 ⁇ 322 ,? 8 Mo 325, 1) 1018 and 1) 1019 ,? £ 1-225 (+)), plasmids derived from Bacillus subtilis (1) ⁇ 110 and? 5) and plasmids derived from yeast bamboo seedlings 1) 13, ⁇ 2 ⁇ and ⁇ 0? 50), etc.
- Expression vectors comprising nucleic acids according to the present invention are methods known in the art, for example, but not limited to, transient transfection (transient transfect ion), micro injection, transduction (transduct ion), cell fusion, calcium Phosphate precipitation method, liposome-mediated transfection, DEAE dextran-mediated transfect ion, polybrene-mediated transfect ion, It can be introduced into stem cells by electroporat ion, gene gun, and known methods for introducing nucleic acids into cells.
- Stem cells over-expressing 003 according to the present invention are preferably expressed in a mesenchymal stem cell using a recombinant expression vector containing a polynucleotide encoding 3 (X ) 3, preferably using an electroporation method or a virus-mediated transduction method. It may be transformed by injection.
- a recombinant expression vector containing a polynucleotide encoding 3 (X ) 3 preferably using an electroporation method or a virus-mediated transduction method. It may be transformed by injection.
- the stem cells of the present invention can be prepared by using a recombinant virus vector through the following steps: (a) Shuttle vector, DNA construct encoding a S0D3 nucleic acid and / or protein transduction domain operably linked thereto. Preparing a recombinant viral vector comprising; (b) transfecting the recombinant virus vector into a virus-producing cell line to produce a S0D3 expressing recombinant virus; And (c) infecting mesenchymal stem cells with the S0D3 expressing recombinant virus.
- the viral vector of the present invention is characterized in that it is selected from the group consisting of lentiviral vector, retroviral vector, adenovirus vector, adeno-associated virus ( ⁇ 0 vector, vaccinia virus vector, herpesvirus vector and abipoxvirus vector).
- lentiviral vector retroviral vector
- adenovirus vector adeno-associated virus
- ⁇ 0 vector vaccinia virus vector
- herpesvirus vector adeno-associated virus vector
- abipoxvirus vector adeno-associated virus
- the present invention comprises the steps of (transfecting stem cells with a recombinant expression vector containing a polynucleotide encoding ⁇ 3; and extracting extracellular vesicles by centrifuging the transfected stem cells).
- the pharmaceutical composition according to the present invention may contain 8003 overexpressing stem cell-derived extracellular vesicles alone or may be formulated in a suitable form with a pharmaceutically acceptable carrier, and may additionally contain excipients or diluents.
- 'pharmaceutically acceptable' refers to a non-toxic composition that does not cause allergic reactions or similar reactions, such as gastrointestinal disorders, dizziness, etc., when physiologically acceptable and administered to humans.
- a carrier for oral administration or a carrier for parenteral administration may be further included.
- Carriers for oral administration may include lactose, starch, cellulose derivatives, magnesium stearate, stearic acid, and the like. In addition, it may contain various drug delivery materials used for oral administration to the peptide preparation.
- the carrier for parenteral administration may include water, a suitable oil, saline, aqueous glucose and glycol, and may further include stabilizers and preservatives. Suitable stabilizers include antioxidants such as sodium hydrogen sulfite, sodium sulfite or ascorbic acid.
- Suitable preservatives include benzalkonium chloride, methyl- or propyl guaraben and chlorobutanol.
- the pharmaceutical composition of the present invention may include a lubricant, a wetting agent, a sweetener, a flavoring agent, an emulsifying agent, a prestigious agent, etc. in addition to the above components.
- Other pharmaceutically acceptable carriers and formulations can be referenced as described in the following literature (Remington's Pharmaceut ical Sciences, 19th ed., Mack Publ i shing Company, Easton, PA, 1995).
- composition of the present invention can be administered in any way to mammals, including humans.
- it can be administered orally or parenterally.
- the parenteral administration method is not limited to this, but intravenous, intramuscular, intraarterial, intramedullary, intrathecal, intracardiac, transdermal, subcutaneous, intraperitoneal, intranasal, intestinal, topical, sublingual or intrarectal administration.
- the pharmaceutical composition of the present invention may be formulated as a formulation for oral administration or parenteral administration according to the administration route as described above.
- the composition of the present invention may be formulated using a method known in the art as a powder, granule, tablet, pill, dragee, capsule, liquid, gel, syrup, slurry, suspension, etc. Can be.
- tablets or dragees can be obtained by mixing the active ingredient with a solid excipient and then grinding it and adding a suitable adjuvant to the granule mixture.
- excipients examples include sugars including lactose, dextrose, sucrose, sorbitol, mannitol, xylitol, erythritol and maltitol, starch including wheat starch, rice starch and potato starch, cellulose, etc.
- Fillers such as celluloses, gelatin, polyvinylpyrrolidone, etc. may be included, including methyl cellulose, sodium carboxymethylcellulose and hydroxypropylmethyl-cellulose.
- crosslinked polyvinylpyrrolidone, agar, alginic acid or sodium alginate may be added as a disintegrant.
- the pharmaceutical composition of the present invention may further include an anti-coagulant, a lubricant, a wetting agent, a flavoring agent, an emulsifying agent and a preservative.
- the total effective amount of the composition of the present invention can be administered to a patient in a single dose, and can be administered by a fractional ionized treatment protocol that is administered for a long time in multiple doses. have.
- the pharmaceutical composition of the present invention may vary the content of the active ingredient according to the degree of disease.
- the preferred total dose of the pharmaceutical composition of the present invention may be about 0.01 // g to 10,000 mg per 1 kg of patient body weight per day, and most preferably 0.1 / to 500 mg per day.
- the dose of the pharmaceutical composition is determined by considering various factors such as the formulation method, the administration route and the number of treatments, as well as the patient's age, weight, health status, sex, disease severity, diet and excretion rate, etc.
- the pharmaceutical composition according to the present invention is not particularly limited in its formulation, route of administration and method of administration as long as it shows the effects of the present invention.
- S0D3 overexpressing stem cell-derived extracellular vesicles according to the present invention were treated in an animal model inducing atopic dermatitis and visually evaluated for changes in lesions, S0D3 overexpressing umbilical cord blood stem cell-derived extracellular cells When the vesicles were treated, it was confirmed that the most improved symptoms (Example 2-1, see Fig. 3).
- the vesicles of 5003 overexpressing stem cell-derived cells according to the present invention are treated in an animal model inducing atopic dermatitis, and the severity of the lesion is evaluated through tissue staining, and the skin is coated. It was confirmed that the thickness and the degree of lymphocyte infiltration were reduced. In addition, it was confirmed that the invasion of mast cells, which play a key role in the chronicization of atopic dermatitis, was also suppressed (see Examples 2-2 and 4 to 7).
- 3, IL-6 As a result, it was confirmed that the proliferation of peripheral blood mononuclear cells (PBMC), which are immune cells, was inhibited by the treatment of the extracellular vesicles according to the present invention (see Examples 3, 8 and 9). .
- PBMC peripheral blood mononuclear cells
- S0D3 overexpressing stem cell-derived extracellular vesicles according to the present invention are used for differentiation of regulatory T cells (regulatory T cells) that play a key role in suppressing the overall immune response and excessive activation of other immune cells.
- regulatory T cells regulatory T cells
- the extracellular vesicles of the present invention have excellent Treg-inducing ability (see Example 4-2, FIG. 12).
- the extracellular vesicles show the effect of treating atopic dermatitis through suppressing proliferation of immune cells secreting pro-inflammatory cytokines and inducing Treg.
- the S0D3 overexpressing stem cell-derived extracellular vesicles according to the present invention inhibit the invasion of mast cell lesions and suppress the Thl differentiation in the differentiation of helper T cells, but show significant results that do not affect the differentiation of Th2. .
- Atopic dermatitis is most often caused by immune mechanisms associated with seedlings, and there are many reports that immune responses by T cell abnormalities are involved, and the role of helper T cells is known to be important.
- Helper T cells include helper T1 type (Thl) cells and helper T2 type (Th2) cells.
- Cytokines secreted by Thl cells are involved in cell-mediated immune responses, and in the case of atopic dermatitis, secretion of Thl cytokines such as interferon-Y (IFN-Y) secreted by Thl cells is known to decrease. It is known to be initiated by the Th2 immune response and gradually converted into a chronic Thl immune response (see Am J Cl in Dermatol 5; 281-294, 2004 and Nature 413: 531-534, 2001).
- IFN-Y interferon-Y
- the above cell test and animal test results show that the 8003 overexpressing stem cell-derived extracellular vesicles according to the present invention show excellent atopy treatment effect, and can be used as a safe and effective pharmaceutical candidate substance having a treatment effect of chronic atopic dermatitis. Suggests
- the present invention provides a cosmetic composition for preventing or improving atopic dermatitis, which comprises extracellular vesicles derived from stem cells overexpressing super oxide di smutase 3 (S0D3) as an active ingredient.
- a cosmetic composition for preventing or improving atopic dermatitis which comprises extracellular vesicles derived from stem cells overexpressing super oxide di smutase 3 (S0D3) as an active ingredient.
- S0D3 super oxide di smutase 3
- superoxide dismutase 3 superoxide dismutase 3
- a cosmetic composition for preventing or improving atopic dermatitis composed of extracellular vesicles derived from stem cells overexpressing S0D3).
- the present invention superoxide dismutase 3 (super oxide di smutase 3,
- the cosmetic composition of the present invention contains S0D3 overexpressing stem cell-derived extracellular vesicles as an active ingredient and is a basic cosmetic composition (face wash, cream, essence, cleansing foam and cleansing water-like face wash, pack, body) Oil), hue cosmetic composition (foundation, lipstick, mascara, makeup base), hair product composition (shampoo, conditioner, hair conditioner, hair gel) and soap.
- the excipient is not limited to this, for example, may include skin emollients, skin penetration enhancers, colorants, fragrances, emulsifiers, thickeners and solvents.
- fragrances, pigments, disinfectants, antioxidants, preservatives and moisturizers may be further included, and thickeners, inorganic salts, and synthetic polymer materials may be included for the purpose of improving physical properties.
- the S0D3 overexpressing stem cell-derived extracellular vesicles can be easily added to the normal face wash and soap base.
- a cream In the case of manufacturing a cream, it can be prepared by adding S0D3 overexpressing stem cell-derived extracellular vesicles to a general oil-in-water type (0 / W) cream base.
- synthetic or natural materials such as proteins, minerals, vitamins, etc. for the purpose of improving physical properties such as fragrances, chelating agents, pigments, antioxidants, and preservatives can be added .
- the content of S0D3 overexpressing stem cell-derived extracellular vesicles contained in the cosmetic composition of the present invention is not limited to this, but is preferably 0.001 to 10% by weight, more preferably 0.01 to 5% by weight relative to the total weight of the total composition. If the content is less than 0.001% by weight, the desired effect of treating atopic dermatitis cannot be expected, and if it is more than 10% by weight, there may be difficulties in safety or preparation of the formulation.
- the present invention provides the use of extracellular vesicles derived from stem cells overexpressing superoxide dismutase 3 (S0D3) for preparing an atopy treatment preparation.
- S0D3 superoxide dismutase 3
- the present invention is characterized by administering an effective amount of a composition containing extracellular vesicles derived from stem cells overexpressing super oxide di smutase 3 (S0D3) as an active ingredient to an individual in need thereof. How to treat disease to provide.
- S0D3 super oxide di smutase 3
- the 'effective amount' of the present invention when administered to an individual, refers to the amount of improving, treating, preventing, detecting, diagnosing or suppressing or reducing the effects of atopic dermatitis disease when administered to an individual, the 'individual' being an animal, preferably For example, it may be a mammal, particularly an animal including humans, or may be cells, tissues, organs, etc. derived from animals. The individual may be a patient who needs the effect).
- the 'treatment' of the present invention collectively refers to improving the symptoms of atopic dermatitis disease or atopic dermatitis disease, which may include healing, substantially preventing, or improving the condition of atopic dermatitis disease, It includes, but is not limited to, alleviating, healing or preventing one symptom or most symptoms resulting from atopic dermatitis disease.
- the term 'compr i sing' is used the same as 'containing' or 'characterizing' and does not exclude additional component elements or method steps not mentioned in the composition or method. .
- the term (consi st ing of) ” means excluding additional elements, steps or components, which are not described separately.
- the term 'essentially composed (essent i al ly consi st ing of)' includes a component element or step described in the scope of the composition or method, as well as a component element or step that does not substantially affect its basic properties. It means to do.
- the present invention provides a composition for preventing or treating atopic dermatitis comprising extracellular vesicles derived from C3 overexpressing stem cells as an active ingredient and a method for treating atopic dermatitis using the same.
- the composition according to the present invention suppresses the proliferation of immune cells that secrete pro-inflammatory cytokines, shows the effect of treating atopic dermatitis through the induction effect of ⁇ 6, inhibits the invasion of lesions of mast cells and inhibits 3 ⁇ 41 differentiation, chronicating atopic dermatitis It can be useful in the prevention or treatment of chronic atopic dermatitis.
- (k) is the date of manufacture of the atopic dermatitis animal model, and the date of administration of the extracellular vesicles derived from 8003 overexpressing umbilical cord blood stem cells is set, and (indicates the change in lesions of atopic dermatitis by administration of the extracellular vesicles) It is the result of confirmation.
- FIG. 6 is a graph showing the numerical results of tissue staining after administration of 3 ⁇ 3 overexpressing cord blood stem cell-derived extracellular vesicles to an atopy animal model, and (3) in FIG. 6 is a result of digitizing the result of confirming the thickness of the envelope. (Is the result of quantifying lymphocyte infiltration.
- FIG. 7 is a result of confirming the degree of infiltration of lesions of mast cells that play a key role in chronic atopic dermatitis after administration of S0D3 overexpressing umbilical cord blood stem cell-derived extracellular vesicles through atopic animal model through toluidine blue staining to be.
- 8 and 9 is a result of confirming the effect on the proliferation of urine (:) after treatment of the extracellular vesicles derived from the overexpressed umbilical cord blood stem cells from? 83 ⁇ 48 separated from normal blood.
- FIG. 12 is a result of confirming the effect on ⁇ differentiation after treatment of 8003 overexpressing cord blood stem cell-derived extracellular vesicles to uncontacted I cells.
- MSC Mesenchymal stem cells derived from human umbilical cord blood were collected from blood samples of human umbilical cord with the consent of the donor. Umbilical cord blood samples were collected and stored in blood collection packs containing citrate phosphate glucose, which acts as an anticoagulant. Treatment for the experiment was carried out within 24 hours. The mononuclear cell fraction was isolated by centrifugation under a F i co 1 -Paque PLUS concentration gradient (Amersham Biosciences).
- Antibiotic / antifungal agents include 100 U / ml penicillin, 100 ug / ml streptomycin, and 25 yg / ml amphotericin table. 7 days later The non-adherent cells were removed, and the attached cells were cultured by changing two cultures every week. Cells were cultured in 5% C02, 37 ° C wet conditions.
- hUCB-MSC The immunophenotype of hUCB-MSC was analyzed to investigate the presence of antigen-positive markers associated with MSC and the absence of hematopoietic lineage markers by flow cytometry (Epi cs XL, Beckman Coul ter). Positive markers include CD90 (Thy-l), CD10 endogl in) and SH3 (CD73), and hematopoietic lineage markers include endothelial cell markers such as CD34, CD45 and CD31. Cells were positive for HLA cl ass I, but negative for HLA-m.
- Each fluorescently labeled monoclonal antibody was purchased from Beet on Dickinson (results not shown). Through this, three cell lines of P7 U192, P7 U197, and P7 U218 were obtained (P7: cells cultured over seven cell passages, U192 / 197/218: different cell numbers for donors).
- S0D3 Transformation S0D3 was transformed by electroporation on hUCB-MSC prepared through the above.
- the viral expression vector and transduction conditions for S0D3 transduction were that lentivirus was used as a viral expression vector, as well as for the pharmaceutical composition for the prevention or treatment of inflammatory diseases including stem cells overexpressing S0D3, which is a prior art, as an active ingredient. It was performed in the same way as the patent (refer to the experimental method of Korean Patent Publication No. 10-2017-0032872).
- Extracellular vesicles derived from S0D3 overexpressing umbilical cord blood stem cells The extracellular vesicles were obtained by ultracentrifugation in hUCB-MSC overexpressing S0D3. At this time, extracellular vesicles were extracted from hUCB-MSC where S0D3 was not overexpressed and used as a control.
- 3X106 S0D3 overexpressing hUCB-MSC and control hUCB-MSC are placed in a 150X25mm culture dish and fetal bovine serum (Thermo Fi sher Scient if ic, Inc. tham, MA, USA) was cultured with 25 ml of a culture solution containing 2%.
- the culture was collected in a tube, and ultracentrifugation was performed in the following order using an OPTIMA MAX-XP / MLA-55 rotor (Beckman) equipment.
- the supernatant was collected and centrifuged for 45 minutes at a rate of 3,000 8 .
- the supernatant was collected and centrifuged for 30 minutes at a rate of 10,00 kPa, and the supernatant was collected and centrifuged at a rate of 100,00 for 70 minutes.
- the pellet was suspended on the surface and centrifuged at a rate of 100,00 for 70 minutes. Then pellet Melted to obtain extracellular vesicles.
- anti_S0D3 (Abeam, Cambridge, United Kingdom)
- Atopy animal model preparation and extracellular vesicle administration Atopy animal model was prepared by a known method in the art.
- the mice used in the experiment were C57BL / 6 mice at week 8, were raised with standard mouse feed and water in the absence of specific pathogens, and were treated according to the guidelines of the Catholic University clergy Committee according to the guidelines of the Ministry of Health and Welfare.
- 1% 2,4- ⁇ 11 ⁇ ; 1 0 (: 11101 0561 6116 (0 8) was applied for 3 days]! 11).
- 0.2% ⁇ ⁇ was repeatedly applied to the skin of the animal model of the 6th day to prepare (0131 ⁇ ⁇ 6).
- mice Histological evaluation of mouse model and overexpression of fluorescent tissue staining
- the back skin tissue was obtained from the mice to which the derived extracellular vesicles were administered, fixed in 4% paraformaldehyde, and then embedded in paraffin.
- Tissue sections were prepared. Subsequently, it was degreased using xylene) and dehydrated with a concentration gradient alcohol. The pretreated tissue sections were stained with hematoxylin and eosindae staining). In addition, the degree of invasion of mast cells It was confirmed by staining. Sections of paraffin sections of mouse skin tissues were soaked in 0.
- 1% toluidine blue staining solution 1% toluidine blue solution prepared in 1% (prepared by diluting 10 times in 1 solution) for 2-3 minutes), and then washed 3 times with distilled water. And then dehydrated by dipping in 95% and 100% alcohol one after another to complete the staining by drying with xylten and staining. The stained tissue was observed and counted by granules of mast cells stained with toluidine blue through a microscope.
- CFSE Carboxyf luoresce in succ inimi dyl ester
- hUCB-MSC-derived extracellular vesicles with factors that promote T lymphocyte proliferation (day 0), how the proliferation pattern changes compared to the other group. Compared.
- naive T cel l (ThO) was isolated from normal PBMC, followed by treatment with ant i_IL4 + IFNr or ant i_IFNr + IL4 for 5 days to induce differentiation into Thl and Th2, respectively.
- Example 3 Confirmation of the effect of suppressing the proliferation of immune cells
- Immune cells that release pro-inflammatory cytokines such as -1 and -6 from the derived extracellular vesicles The proliferation inhibitory effect was confirmed.
- Figs. 8 and 9 it was confirmed that the proliferation of epidermis was significantly suppressed when the extracellular vesicles derived from 11'8-3 ⁇ 41 'overexpressing 03 were administered.
- Example 4 I cell differentiation inhibitory effect confirmation 4-1. Checking the effect on helper 1 cell differentiation Most atopic dermatitis It is caused by an associated immune mechanism, and there are many reports that immune responses by I cell abnormalities are involved, and the role of helper cells (3 ⁇ 4061 1) is known to be important, so that overexpression of ⁇ ⁇ according to the present invention The influence of the derived extracellular vesicles on I cell differentiation was confirmed. As a result, as shown in FIG. 10, it was confirmed that the administration of 111 «3 ⁇ 4-1 ⁇ 1 ⁇ -derived extracellular vesicles overexpressing ⁇ ⁇ reduced! 3 ⁇ 41 differentiation. On the other hand, as shown in Figure 11, it was found that it did not significantly affect the differentiation into 3 ⁇ 42 cells. 2020/085533 1 »(: 1 ⁇ 1 ⁇ 2018/012712
- composition according to the present invention and the method using the same show the effect of treating atopic dermatitis through suppression of proliferation of immune cells secreting pro-inflammatory cytokines and induction of agitation, and lesion of mast cells It can be used for the prevention of chronic atopic dermatitis or for the treatment of chronic atopic dermatitis by showing the effect of inhibiting site infiltration and inhibiting 3 ⁇ 41 differentiation.
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/KR2018/012712 WO2020085533A1 (ko) | 2018-10-25 | 2018-10-25 | Sod3를 과발현시킨 줄기세포 유래 세포외 소낭의 신규한 용도 |
| KR1020217013938A KR20210066005A (ko) | 2018-10-25 | 2018-10-25 | Sod3를 과발현시킨 줄기세포 유래 세포외 소낭의 신규한 용도 |
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| PCT/KR2018/012712 WO2020085533A1 (ko) | 2018-10-25 | 2018-10-25 | Sod3를 과발현시킨 줄기세포 유래 세포외 소낭의 신규한 용도 |
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| JP6894652B1 (ja) * | 2020-09-08 | 2021-06-30 | デクソンファーマシューティカルズ株式会社 | 組織修復剤、組織修復剤の使用方法およびスクリーニング方法 |
| CN115381880A (zh) * | 2022-08-31 | 2022-11-25 | 中山大学 | 一种融合纳米囊泡及其制备方法与应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023195570A1 (ko) * | 2022-04-08 | 2023-10-12 | 이왕재바이오연구소 주식회사 | 슈퍼옥시드 디스무타아제를 포함하는 항암 조성물 |
| KR20240060975A (ko) | 2022-10-31 | 2024-05-08 | 재단법인 오송첨단의료산업진흥재단 | 재조합 sod3 단백질의 생산 방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170032872A (ko) * | 2015-09-15 | 2017-03-23 | 주식회사 강스템바이오텍 | Sod3를 과발현하는 줄기세포를 유효성분으로 포함하는 염증성 질환의 예방 또는 치료용 조성물 |
-
2018
- 2018-10-25 KR KR1020217013938A patent/KR20210066005A/ko not_active Ceased
- 2018-10-25 WO PCT/KR2018/012712 patent/WO2020085533A1/ko not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170032872A (ko) * | 2015-09-15 | 2017-03-23 | 주식회사 강스템바이오텍 | Sod3를 과발현하는 줄기세포를 유효성분으로 포함하는 염증성 질환의 예방 또는 치료용 조성물 |
Non-Patent Citations (4)
| Title |
|---|
| CHO, BYONG SEUNG ET AL.: "Exosomes derived from human adipose tissue-derived mesenchymal stem cells alleviate atopic dermatitis", STEM CELL RES . THER. ELECTRONIC, vol. 9, no. 187, 11 July 2018 (2018-07-11), pages 1 - 5, XP055709528 * |
| DATABASE Protein 23 March 2015 (2015-03-23), "superoxide dismutase 3, extracellular [Homo sapiens", XP055709545, retrieved from NCBI Database accession no. EAW92823.1. * |
| LO SICCO, CLAUDIA ET AL.: "Mesenchymal Stem Cell-Derived Extracellular Vesicles as Mediators of Anti-Inflammatory Effects: Endorsement of Macrophage Polarization", STEM CELLS TRANSL. MED, vol. 6, 2017, pages 1018 - 1028, XP055709542 * |
| SAH, S. K. ET AL.: "Enhanced therapeutic effects of human mesenchymal stem cells transducec with superoxide dismutase 3 in a murine atopic dermatitis-like skin inflammation model", ALLERGY. ELECTRONIC, vol. 73, no. 12, 11 October 2018 (2018-10-11), pages 2364 - 2376, XP055709532 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6894652B1 (ja) * | 2020-09-08 | 2021-06-30 | デクソンファーマシューティカルズ株式会社 | 組織修復剤、組織修復剤の使用方法およびスクリーニング方法 |
| CN115381880A (zh) * | 2022-08-31 | 2022-11-25 | 中山大学 | 一种融合纳米囊泡及其制备方法与应用 |
| CN115381880B (zh) * | 2022-08-31 | 2023-05-12 | 中山大学 | 一种融合纳米囊泡及其制备方法与应用 |
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