WO2022181936A1 - 피부 유래 엑소좀을 통해 근손실 억제 또는 근생성 촉진 효과를 나타내는 조성물 - Google Patents
피부 유래 엑소좀을 통해 근손실 억제 또는 근생성 촉진 효과를 나타내는 조성물 Download PDFInfo
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- exosomes
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Definitions
- the present invention relates to a composition for increasing the level of microRNA-26a (miRNA-26a) in the extracellular endoplasmic reticulum, and a composition comprising the composition, which exhibits an effect of inhibiting muscle loss or promoting myogenesis through skin-derived exosomes.
- miRNA-26a microRNA-26a
- Muscles not only play a role as an organ of human exercise capacity, but also affect the entire body, including bones, blood vessels, nerves, liver, heart, and pancreas. As the bone is pulled and pushed by the muscle, the density is maintained by that force, so if the muscle loses its strength, the bone becomes weak, and osteoporosis is easy to occur. In addition, when muscle shrinks, it interferes with the creation of new blood vessels and nerves under the influence of various substances made in the muscle, which can ultimately lead to cognitive decline.
- Muscle loss or muscle loss, is a lifelong process that begins at about age 30 and progressively decreases the amount of muscle tissue, the number and size of muscle fibers. The result of muscle loss is the gradual loss of muscle mass and strength. Mild loss of strength increases stress on some joints (such as the knee) and can make them more susceptible to arthritis or falls. In addition, fast-contracting muscle fibers are more affected by aging than slow-contracting muscle fibers. Therefore, as aging progresses, rapid muscle contraction becomes difficult, which causes inconvenience in life.
- the present inventors found that when fibroblasts are treated with a specific substance, the level of microRNA-26a (miRNA-26a) in the exosome secreted from the cell is increased, and the expression of the gene involved in the exosome muscle loss On the other hand, it was confirmed that the expression of genes involved in myogenesis increased.
- miRNA-26a microRNA-26a
- an object of the present invention is betaine, camellia flower extract, camelliaside A (camelliaside A), myricetin, naringenin, nobiletin (nobiletin), cozylcarboxydipeptide-23 (Kojyl carboxy dipeptide-23), L-carnosine (L-carnosine) and copper tripeptide (copper tripeptide) containing a material selected from the group consisting of or a combination thereof, microRNA-26a (miRNA) in the extracellular endoplasmic reticulum -26a) to provide a composition that increases the level.
- miRNA microRNA-26a
- Another object of the present invention is to provide a composition comprising the composition as an active ingredient, and exhibiting an effect of inhibiting muscle loss or promoting myogenesis through skin-derived exosomes.
- one aspect of the present invention is composed of betaine, camellia flower extract, cameliaside A, myricetin, naringenin, nobiletin, cozylcarboxydipeptide-23, L-carnosine and copper tripeptide
- It provides a composition for increasing the level of microRNA-26a in the extracellular vesicle (hereinafter, described as a composition for increasing the level of microRNA-26a) comprising a substance selected from the group or a combination thereof as an active ingredient.
- Betaine also called trimethylglycine (TMG)
- TMG trimethylglycine
- Myricetin is used as an antioxidant and skin conditioning agent
- naringenin is also a cosmetic raw material used as a skin conditioning agent.
- Cozylcarboxydipeptide-23 is a compound having the following structure that functions as an antioxidant, sequestering agent, and skin protectant:
- R is dipeptide-23.
- Copper tripeptide is a copper complex ( GHK -Cu) of tripeptide and is used as a skin conditioning agent. 0757175).
- nobiletin is a polymethoxy flavone present in a large amount in the citrus peel and is known to have an excellent anti-inflammatory effect (Korean Patent Application Laid-Open No. 2018-0046245).
- L-carnosine is a dipeptide composed of two amino acids, histini and alanine.
- the substances used in the composition of the present invention are cosmetics, raw materials for nutritional supplements, or are derived from natural products, so they are safe to use on the human body.
- extract refers to an extract obtained by extraction treatment, a diluted or concentrated liquid of the extract, a dried product obtained by drying the extract, a prepared or purified product of the extract, or a mixture thereof, such as the extract itself and Extracts of all formulations that can be formed using the extract are included.
- the extract of the present invention may be extracted from a natural, hybrid or mutated plant of each of the corresponding plants, and may also be extracted from a plant tissue culture.
- the extraction method of the camellia flower extract is not particularly limited, and may be extracted according to a method commonly used in the art.
- Non-limiting examples of the extraction method include a solvent extraction method, a hot water extraction method, an ultrasonic extraction method, a filtration method, a reflux extraction method, and the like, and these may be performed alone or in combination of two or more methods.
- the extraction solvent used in the camellia flower extract is not particularly limited, and any solvent known in the art may be used.
- the camellia flower extract may be extracted with any one solvent selected from the group consisting of water, ethyl acetate, dichloromethane, alcohols having 1 to 4 carbon atoms, and combinations thereof, and preferably extracted using ethanol as a solvent. it could be
- the liquid camellia flower extract may be concentrated or dried after being separated from the dried lysate of the plant by a method such as reduced pressure filtration.
- the liquid extract may be concentrated under reduced pressure with a vacuum rotary concentrator, and the liquid extract may be dried to obtain a powdered extract.
- the concentrated or powdered extract may be used by dissolving it in water, alcohol, dimethyl sulfoxide (DMSO), or a mixed solvent thereof, if necessary.
- DMSO dimethyl sulfoxide
- microRNA-26a in exosomes is increased when the exosomes are separated after culturing by treating each of the substances in the skin fibroblasts compared to the case where the substances are not treated.
- the extracellular vesicles are not limited thereto, but may be secreted from fibroblasts, specifically, skin fibroblasts.
- extracellular vesicle refers to a very small-sized extracellular release vesicle that serves as a mediator of physiological signal transduction by enabling the exchange of substances such as proteins, lipids, and nucleic acids between cells. Almost all cells secrete extracellular vesicles. According to their size and production process, they are largely classified into exosomes and microvesicles. Looking at the production process, exosomes are secreted when vesicles are generated inside the cell and the cell membrane is folded inward, and the size is about 30 to 200 nm. It is about 1000 nm.
- the extracellular vesicles may be exosomes.
- the composition for increasing the level of microRNA-26a may include an active ingredient (a skin-derived exosome secretion promoting substance) in an amount of 0.00001 wt% or more based on the total weight of the composition. More specifically, the active ingredient is 0.00001 wt% or more, 0.0001 wt% or more, 0.0005 wt% or more, 0.001 wt% or more, 0.005 wt% or more, 0.01 wt% or more, 0.05 wt% or more, 0.1 wt% based on the total weight of the composition.
- an active ingredient a skin-derived exosome secretion promoting substance
- the composition may include 0.00001 wt% to 10 wt% or 0.005 to 10 wt% of the active ingredient.
- Another aspect of the present invention provides a composition for inhibiting muscle loss or promoting myogenesis, comprising the composition for increasing the level of microRNA-26a as an active ingredient.
- composition for increasing the level of microRNA-26a when the composition for increasing the level of microRNA-26a is treated in cells, specifically skin cells, an extracellular vesicle having an increased level of microRNA-26a, specifically exosomes, can be obtained.
- exosomes are used as a means of communication between cells.
- exosomes secreted from stem cells in bones arrive at the heart and transmit signals.
- hormones were mainly responsible for signal transmission between organs in the body
- exosomes are also used for signal transmission between organs. Since the skin is the largest organ of the body, exosome secretion is expected to be very active, but there are not many studies on the role of exosomes secreted from the skin.
- exosomes can also be confirmed in the present invention. Specifically, if the myofibrils were directly treated with substances such as betaine, there was no significant change in the expression of genes related to muscle loss and myogenesis. It was confirmed that the expression of the muscle loss-related gene decreased to the level, and the expression of the myogenesis-related gene increased ( FIGS. 4 to 7 , FIGS. 9 and 10 ). These experimental results suggest that fibroblast-derived exosomes with increased levels of miRNA-26a are involved in signal transduction related to promoting myogenesis and inhibiting muscle loss in myofibroblasts.
- the muscle loss-related gene is selected from the group consisting of MURF1, atrogin-1, and myostatin, and the myogenesis-related gene may be myoD.
- composition for inhibiting muscle loss or promoting muscle growth of the present invention may be prepared in any formulation conventionally prepared in the art, for example, solutions, suspensions, emulsions, pastes, gels, creams, lotions, powders, It may be formulated as powder foundation, emulsion foundation, wax foundation and spray, but is not limited thereto. More specifically, since the composition of the present invention acts on fibroblasts, it may have the formulation of a cream, lotion, ointment or gel, and may be used in the form of an external preparation for skin. Compositions of such formulations can be prepared according to conventional methods in the art.
- composition for inhibiting muscle loss or promoting muscle growth of the present invention may further include ingredients included in general cosmetic compositions in addition to the active ingredient.
- Combination ingredients that may be included include moisturizers, emollients, surfactants, organic and inorganic pigments, organic powders, UV absorbers, preservatives, disinfectants, antioxidants, plant extracts, pH adjusters, alcohol, pigments, fragrances, blood circulation promoters, A cooling agent, a limiting agent, purified water, etc. are mentioned.
- the formulation of the present invention is a cream or gel
- animal fiber vegetable fiber, wax, paraffin, starch, tracanth as a carrier component.
- Cellulose derivatives, polyethylene glycol, silicone, bentonite, silica, talc or zinc oxide may be used.
- lactose, talc, silica, aluminum hydroxide, calcium sulfate or polyamide powder may be used as a carrier component, and in particular, in the case of a spray, additional chlorofluorohydrocarbon, accelerators such as propane/butane or dimethyl ether.
- a solvent, solvating agent or emulsifying agent is used as a carrier component, for example, water, ethanol, isopropanol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoide, propylene glycol , 1,3-butylglycol oil, glycerol fatty esters, fatty acid esters of polyethylene glycol or sorbitan.
- the carrier component is water, a liquid diluent such as ethanol or propylene glycol, a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol esters and polyoxyethylene sorbitan esters, microcrystalline cells Rollose, aluminum metahydroxide, bentonite, agar or tracanth may be used.
- a liquid diluent such as ethanol or propylene glycol
- a suspending agent such as ethoxylated isostearyl alcohol, polyoxyethylene sorbitol esters and polyoxyethylene sorbitan esters, microcrystalline cells Rollose, aluminum metahydroxide, bentonite, agar or tracanth may be used.
- Another aspect of the present invention provides a pharmaceutical composition for preventing or treating muscle loss-related muscle disease, comprising the composition for increasing the level of microRNA-26a as an active ingredient.
- the muscle loss-related muscle disease may be selected from the group consisting of sarcopenia, muscular atrophy, muscular dystrophy, and myasthenia gravis.
- Sarcopenia refers to a disease in which normal muscle mass, muscle strength, and muscle function are reduced due to lack of nutrition, reduced exercise volume, and aging. refers to a diverse group of diseases.
- Muscular dystrophy or muscular dystrophy is a myopathy that weakens exercise equipment and interferes with exercise ability.
- Myasthenia gravis is a disease in which muscle strength is abnormally weakened or fatigued. If not properly treated, muscle weakness can suddenly become severe, and in severe cases, even the respiratory muscles can weaken, resulting in respiratory paralysis.
- the pharmaceutical composition of the present invention may include a pharmaceutically acceptable carrier in addition to the active ingredient.
- pharmaceutically acceptable carriers are those commonly used in formulation, and include lactose, dextrose, sucrose, sorbitol, mannitol, starch, acacia, gum, calcium phosphate, alginate, gelatin, calcium silicate, microcrystalline cellulose. , polyvinyl pyrrolidone, cellulose, water, syrup, methyl cellulose, methylhydroxybenzoate, propyl hydroxybenzoate, talc, magnesium stearate, and mineral oil.
- a lubricant, a wetting agent, a sweetening agent, a flavoring agent, an emulsifying agent, a suspending agent, a preservative, etc. may be additionally included in addition to the above components.
- composition of the present invention may be administered orally or parenterally (eg, skin application, intravenous, subcutaneous, intraperitoneal injection, or topical application) according to a desired method, but parenteral administration is preferred. .
- binders such as gum arabic, corn starch, microcrystalline cellulose or gelatin, phosphoric acid Excipients such as dicalcium or lactose, disintegrating agents such as alginic acid, corn starch or potato starch, lubricants such as magnesium stearate, sweetening agents such as sucrose or saccharin, and flavoring agents such as peppermint, methyl salicylate or fruit flavor may be included.
- binders such as gum arabic, corn starch, microcrystalline cellulose or gelatin
- phosphoric acid Excipients such as dicalcium or lactose
- disintegrating agents such as alginic acid, corn starch or potato starch
- lubricants such as magnesium stearate
- sweetening agents such as sucrose or saccharin
- flavoring agents such as peppermint, methyl salicylate or fruit flavor
- parenteral dosage form may be a transdermal dosage form, for example, injections, adhesives, ointments, lotions, gels, creams, sprays, suspensions, emulsions, suppositories, patches, etc. It may be a dosage form. However, the present invention is not limited thereto.
- the pharmaceutical composition may be in the form of an external preparation for skin, and the external preparation for skin is a generic term that may include anything applied outside the skin, and various types of pharmaceuticals may be included here.
- the pharmaceutical composition of the present invention is administered in a pharmaceutically effective amount.
- a 'pharmaceutically effective amount means an amount sufficient to treat a disease at a reasonable benefit/risk ratio applicable to medical treatment, and the effective dose level includes the type, severity, drug activity, and type of the patient's disease; Sensitivity to the drug, administration time, administration route and excretion rate, treatment period, factors including concurrent drugs and other factors well known in the medical field may be determined.
- the pharmaceutical composition of the present invention may be administered at a dose of 1 ⁇ g/kg to 200 mg/kg, preferably 50 ⁇ g/kg to 50 mg/kg, once a day, or divided into three times a day. have.
- the above dosage does not limit the scope of the present invention in any way.
- the pharmaceutical composition according to the present invention may be administered as an individual therapeutic agent or may be administered in combination with other therapeutic agents, may be administered sequentially or simultaneously with conventional therapeutic agents, and may be administered single or multiple. Taking all of the above factors into consideration, it is important to administer an amount that can obtain the maximum effect with a minimum amount without side effects, which can be easily determined by those skilled in the art.
- Another aspect of the present invention is selected from the group consisting of betaine, camellia flower extract, camelliaside A, myricetin, naringenin, nobiletin, cozylcarboxydipeptide-23, L-carnosine and copper tripeptide in cells
- a composition comprising, as an active ingredient, an extracellular vesicle obtained by treating cells with a substance or a combination thereof (hereinafter referred to as an extracellular vesicle composition), inhibiting muscle loss or muscle loss comprising the extracellular vesicle composition as an active ingredient
- an extracellular vesicle composition an extracellular vesicle obtained by treating cells with a substance or a combination thereof
- a composition for promoting production is provided.
- the present inventors confirmed that the level of microRNA-26a in exosomes secreted from fibroblasts is increased when the skin-derived fibroblasts are treated with the substances described above, and that the exosomes have the effect of inhibiting muscle loss or promoting myogenesis. was confirmed ( FIGS. 4 to 7 , 9 and 10 ).
- Another aspect of the present invention provides a method for producing an extracellular vesicle having an increased level of microRNA-26a, comprising the steps of:
- the cell may be a skin-derived fibroblast, and the extracellular vesicle may be an exosome, but is not limited thereto.
- the method of separating the extracellular vesicles and / or exosomes from the cell culture is as described in Example 1-2.
- various methods known in the art may be used in addition to the separation method as described above.
- exosome separation method for the separation of extracellular vesicles and/or exosomes, ultrafiltration, density gradient centrifugation, tangential flow Filtration, size exclusion chromatography chromatography), ion exchange chromatography, immunoaffinity capture, microfluidics-based isolation, exosome precipitation, or polymer based precipitation
- a known separation method can be used.
- the exosome separation method is not limited to the methods described above, and of course, various separation methods that are used in the art or that can be used in the future are acceptable.
- the composition for increasing the level of microRNA-26a in the extracellular endoplasmic reticulum it is possible to prepare an exosome having an increased level of microRNA-26a.
- the exosomes reduce the expression of biomarkers involved in muscle reduction, MURF1, atrogin-1, and myostatin, and myoD involved in myogenesis. ) can be increased, so the composition for increasing the level of microRNA-26a in the extracellular vesicles can be usefully used for inhibiting muscle loss or promoting myogenesis.
- 3 is a result confirming the level of miRNA-26a in the fibroblast-derived exosomes isolated by treatment with different concentrations of betaine.
- FIG. 5 is a result of confirming the expression level of MyoD, a myogenic marker, after treating myofibroblasts with betaine or fibroblast-derived exosomes.
- Figure 10 shows the expression levels of muscle loss markers, Muff 1 (A) and myostatin (B), after treating the exosomes isolated from fibroblasts treated with camellia flower extract or camellia flower extract to myofibroblasts. is the result
- NHDF Normal Human Dermal Fibroblasts isolated from adult samples were purchased from LONZA (Cat. CC-2511).
- myofibroblasts C2C12 cells, which are myoblasts isolated and cultured from C3H mice, were purchased from ATCC (CRL-1772).
- the medium treated with betaine for 48 hours was collected in the passage 27 FB subcultured and centrifuged at 3000xg for 30 minutes. After centrifugation, only the supernatant was recovered, transferred to Ultra-15 Centrifugal Filter Units (Amicon®, MERCK, C7715), and centrifuged at 4000xg for 40 minutes. Only the supernatant was recovered, and Total Exosome Isolation Reagent (Invitrogen, Cat No #4478539) was added to 1/2 of the volume of the supernatant, followed by reaction at 4°C overnight. The next day, centrifuged at 10000xg for 1 hour, the supernatant was removed by suction, and the final exosome pellet was resuspended in PBS.
- the exosomes obtained in this example will be referred to as "fibroblast-derived exosomes" below.
- FB-derived exosomes To confirm the size of fibroblast (FB)-derived exosomes, dynamic light scattering was measured with Zetasizer Nano ZS (Malvern Instruments, Worcestershire, UK), and the measurement results were analyzed with Dynamic V6 software.
- the size of the fibroblast-derived exosomes was found to be in the range of 50 to 150 nm.
- C2C12 cells were inoculated and cultured by 1.5x10 4 cells on Lab-Tek chamber slides (Nunc Penfield, NY), and fibroblast-derived exosomes were treated with bodipy TR ceramide staining reagent for 20 minutes and then spared with a cleanup kit. of the staining reagent was removed. Fibroblast-derived exosomes labeled with a staining reagent were treated with C2C12 cells for 30 minutes and then observed with a confocal microscope.
- FB cells were inoculated and cultured for 24 hours, followed by treatment with betaine (0.1, 1 and 10 mM). After further culturing for 48 hours, exosomes were isolated according to the method of Example 1-2, and microRNA (hereinafter miRNA) was used according to the manufacturer's protocol with RNeasy plus mini kit (Qiagen, Germany) from the exosomes separated from the culture medium. ) was extracted.
- miRNA microRNA
- Real-time qPCR was performed with a taqman probe targeting mature RNA.
- the relative expression level of the target miRNA in the cell was normalized to the expression level of RNU48, which is used as a housekeeping gene during miRNA quantification, and expressed as a relative percentage.
- the relative expression level of miRNA-26a in exosomes was normalized to the expression level of microRNA-26a used as a housekeeping gene when quantifying miRNA in fibroblast exosomes, and then expressed as a relative percentage. All real-time qPCR analysis was performed using an applied biosystems 7500 (Applied Biosystems) instrument.
- the FB was treated with the substances of Table 1 to isolate the exosomes in the same manner as in Example 1-1, and the level of miRNA-26a was confirmed in the exosomes according to the method of Example 1-4.
- C2C12 cells were inoculated into a 6-well plate at a concentration of 1.5x10 5 cells/well and cultured for 24 hours. Thereafter, it was exchanged with a medium supplemented with 2% horse serum, and further cultured for 72 hours to promote differentiation of C2C12 cells. After differentiation was completed, 0.5 mM betaine or fibroblast-derived exosomes obtained in Example 1-2 (about 20 ⁇ g/ml) were treated and further cultured for 48 hours. Total RNA was extracted with RNeasy plus mini kit, and cDNA was synthesized with SuperScript TM III (Invitrogen, USA). Thereafter, qPCR was performed with the taqman probe of the target gene and then analyzed.
- C2C12 cells were inoculated in a 6-well plate at a concentration of 5x10 5 cells/well and cultured for 24 hours. Thereafter, the medium was exchanged with 2% horse serum and further cultured for 72 hours to promote differentiation of C2C12 cells. After differentiation was completed, betaine (0.1, 0.5 mM) or fibroblast-derived exosomes were treated and further cultured for 48 hours. Then, lysis buffer (1% NP40, 0.05 M Tris-HCl, pH 7.5, 0.15 M NaCl and 0.01 M M MgCl 2 ) containing a protease inhibitor was added to C2C12 cells to lyse the cells, and BCA (bovine carbonic anhydrase) The protein concentration was measured by this method. The quantified protein was separated by SDS-PAGE, transferred to a PVDF membrane, and the protein expression level of each muscle loss marker was confirmed with an antibody.
- BCA bovine carbonic anhydrase
- miRNA-26a Since it was confirmed that the level of miRNA-26a was increased in fibroblast-derived exosomes by betaine treatment, the efficacy of miRNA-26a for inhibiting muscle loss and promoting myogenesis was confirmed as follows. C2C12 cells were treated with 100 uM of dexamethasone, which is known to induce muscle loss, and 10 and 20 nM of miRNA-26a analogs (mimic) were treated and cultured. Thereafter, changes in the expression of muscle loss and myogenesis markers were confirmed by Western blot.
- Muff 1 a marker for inhibiting muscle loss
- MyoD a marker for promoting myogenesis
- Camellia Japonica Flower was dried overnight at 50° C. using a hot air dryer and pulverized. Dried camellia flowers (100 g) were extracted overnight at room temperature with 70% (v/v) ethanol. After the filtration process, the solvent was removed by a rotary vacuum evaporator and freeze-dried to prepare a camellia extract.
- the exosomes were isolated according to the method of Example 1-2.
- the level of miR-26a was confirmed in the exosomes isolated from the culture medium according to the method of Examples 1-4.
- the level of miRNA-26a was increased in the exosomes isolated from the FB treated with the camellia flower extract at a concentration of 50 ppm compared to the untreated control group ( FIG. 9 ).
- C2C12 cells were inoculated into a 6-well plate at a concentration of 1.5x10 5 cells/well and cultured for 24 hours. Thereafter, the medium was exchanged with 2% horse serum and further cultured for 72 hours to promote differentiation of C2C12 cells. After differentiation was completed, 50 ppm of the camellia flower extract or the exosomes obtained in Example 4-1 (about 20 ⁇ g/ml) were treated and further cultured for 48 hours. Thereafter, the expression change of the target gene was confirmed by qPCR according to the method of Example 2-1.
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Abstract
Description
분류 | 소재명 | 농도 |
fold change
(vs. control) |
p-value |
peptide | Kojyl carboxy dipeptide-23 (Creative BioMart, COS-515) |
10ppm | 1.483 | * |
Copper Tripeptide (Biosynth carbosynth, FC138108) |
1.743 | ** | ||
L-carnosine (Sigma Aldrich, C9625) |
5ppm (0.0005%) | 1.537 | * | |
Chemical | Betaine (Sigma Aldrich, W422312) |
1mM | 1.821 | ** |
Camelliaside A (Biosynth carbosynth, OC33270) |
1ppm | 1.956 | ** | |
flavonols | Myricetin (Sigma Aldrich, M6760) |
25uM | 1.599 | * |
flavanones | Naringenin(Sigma Aldrich, N5893) | 10uM | 1.854 | *** |
Flavones | Nobiletin(Sigma Aldrich, N1538) | 30uM | 1.447 | ** |
추출물 | 동백나무꽃 추출물 | 50ppm | 3.618 | *** |
Claims (15)
- 베타인 (betaine), 동백나무꽃 추출물, 카멜리아사이드 A (camelliaside A), 미리세틴 (myricetin), 나린제닌 (naringenin), 노빌레틴 (nobiletin), 코질카복시다이펩타이드-23 (Kojyl carboxy dipeptide-23), L-카르노신 (L-carnosine) 및 카퍼트라이펩타이드 (copper Tripeptide)로 이루어진 군에서 선택되는 물질 또는 이들의 조합을 포함하는, 세포외 소포체 (extracellular vesicle)에서 마이크로RNA-26a(miRNA-26a)의 수준을 증가시키는 조성물.
- 제1항에 있어서, 상기 세포외 소포체는 엑소좀인, 세포외 소포체에서 마이크로RNA-26a의 수준을 증가시키는 조성물.
- 제1항에 있어서, 상기 세포외 소포체는 섬유아세포에서 분비되는, 세포외 소포체에서 마이크로RNA-26a의 수준을 증가시키는 조성물.
- 제1항의 조성물을 유효성분으로 포함하는 근손실 억제 또는 근생성 촉진용 조성물.
- 제4항에 있어서, 상기 조성물은 머프1(muscle Ring-finger protein-1, MURF1), 아트로진-1(atrogin-1) 및 마이오스타틴 (myostatin)으로 이루어진 군에서 선택되는 근감소 관련 유전자의 발현을 감소시키는, 근손실 억제 또는 근생성 촉진용 조성물.
- 제4항에 있어서, 상기 조성물은 근생성을 촉진하는 마이오디(myoD) 유전자의 발현을 증가시키는, 근손실 억제 또는 근생성 촉진용 조성물.
- 제4항에 있어서, 상기 조성물은 크림, 로션, 연고 또는 젤의 제형인, 근손실 억제 또는 근생성 촉진용 조성물.
- 제1항의 조성물을 유효성분으로 포함하는 근육 감소 관련 근육 질환의 예방 또는 치료용 약학적 조성물.
- 제7항에 있어서, 상기 근육 감소 관련 근육 질환은 근감소증(sacopenia), 근위축증(muscular atrophy), 근이영양증(muscular dystrophy) 및 근무력증으로 이루어진 군에서 선택되는 것인, 근육 감소 관련 근육 질환의 예방 또는 치료용 약학적 조성물.
- 세포에 베타인, 동백나무꽃 추출물, 카멜리아사이드 A, 미리세틴, 나린제닌, 노빌레틴, 코질카복시다이펩타이드-23, L-카르노신 및 카퍼트라이펩타이드로 이루어진 군에서 선택되는 물질 또는 이들의 조합을 세포에 처리하여 얻어지는 세포외 소포체를 유효성분으로 포함하는 조성물.
- 제10항에 있어서, 상기 세포는 섬유아세포이고, 상기 세포외 소포체는 엑소좀인 것인, 조성물.
- 제10항에 있어서, 상기 세포외 소포체는 마이크로RNA-26a의 수준이 증가된 것인, 조성물.
- 제1항의 조성물을 유효성분으로 포함하는 근손실 억제 또는 근생성 촉진용 조성물.
- 세포에 베타인, 동백나무꽃 추출물, 카멜리아사이드 A, 미리세틴, 나린제닌, 노빌레틴, 코질카복시다이펩타이드-23, L-카르노신 및 카퍼트라이펩타이드로 이루어진 군에서 선택되는 물질 또는 이들의 조합을 처리하는 단계; 및세포 배양액으로부터 세포외 소포체를 회수하는 단계;를 포함하는마이크로RNA-26a의 수준이 증가된 세포외 소포체를 생산하는 방법.
- 제14항에 있어서, 상기 세포는 섬유아세포이고, 상기 세포외 소포체는 엑소좀인, 마이크로RNA-26a의 수준이 증가된 세포외 소포체를 생산하는 방법.
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