阅读说明：本技术 包含来源于半乳糖酵母的外排体作为活性成分的化妆品组合物 (Cosmetic composition comprising exosome derived from galactose yeast as active ingredient ) 是由 李龙源 赵柄成 于 2019-08-20 设计创作，主要内容包括：本发明提供了用于皮肤再生、皮肤弹性改善和皮肤皱纹减少的化妆品组合物,其包含半乳糖酵母(Galactomyces)来源外排体作为活性成分。本发明的包含半乳糖酵母来源外排体作为活性成分的化妆品组合物具有可用于功能性化妆品的功能活性,即,比半乳糖酵母条件培养基的经过滤产物高得多的胶原蛋白合成提高。因此,本发明的化妆品组合物具有优异的作用,例如皮肤再生、皮肤弹性改善和/或皮肤皱纹减少。(The present invention provides a cosmetic composition for skin regeneration, skin elasticity improvement and skin wrinkle reduction, comprising galactococcus (Galactomyces) derived exosome as an active ingredient. The cosmetic composition of the present invention comprising the galactose yeast-derived exosome as an active ingredient has functional activity useful for functional cosmetics, i.e., a much higher collagen synthesis increase than that of the filtered product of a galactose yeast-conditioned medium. Therefore, the cosmetic composition of the present invention has excellent effects such as skin regeneration, improvement of skin elasticity and/or reduction of skin wrinkles.)

1. A cosmetic composition for skin regeneration, skin elasticity improvement or skin wrinkle reduction, comprising an exosome derived from galactococcus (Galactomyces) as an active ingredient.

2. The cosmetic composition of claim 1, wherein the cosmetic composition is a cream or lotion.

3. The cosmetic composition of claim 1 or 2, wherein the exosomes are isolated from a conditioned medium of galactose yeasts or a galactose yeast ferment.

4. A cosmetic method for regulating the condition of mammalian skin by skin rejuvenation, improvement in skin elasticity or reduction of skin wrinkles using, without therapeutic purposes, a cosmetic composition comprising an exosome derived from galactococcus as an active ingredient.

5. The cosmetic method of claim 4, wherein the method comprises the steps of: (a) applying the cosmetic composition directly to the mammalian skin; or (b) contacting or adhering a patch, a sheet-pack or a mask towel with or to the mammalian skin, the patch, sheet-pack or mask towel having the cosmetic composition applied thereto or impregnated therein; or (a) and (b) are carried out sequentially.

6. The cosmetic method of claim 5, wherein in step (a), the cosmetic composition is an emulsion or cream.

7. The cosmetic method of claim 5 or 6, further comprising: (c) removing the patch, sheet-on mask or facial mask from the mammalian skin after step (b) and applying the cosmetic composition to the mammalian skin.

8. The cosmetic method of claim 7, wherein in step (c), the cosmetic composition is an emulsion or cream.

9. The cosmetic method of any one of claims 4 to 6, wherein the mammal is at least one selected from the group consisting of: human, dog, cat, rodent, horse, cow, monkey, and pig.

Technical Field

The present invention relates to a cosmetic composition for skin regeneration, skin elasticity improvement and skin wrinkle reduction, comprising exosomes derived from galactococcus (Galactomyces) as an active ingredient.

Background

It is known that skin aging causes reduction in skin elasticity and increase in skin wrinkles, and it is known that reduction in skin elasticity and formation of skin wrinkles occur due to reduction in synthesis of collagen and stimulated expression of Matrix Metalloproteinase (MMP).

In addition, it is known that in skin cells, the enzyme COX-2, which produces inflammatory cytokines, is increased due to progressive aging or Ultraviolet (UV) rays, resulting in increased synthesis of prostaglandin E2(prostaglandin E2) and increased production of inducers of inflammation. Due to inflammatory reactions, the biosynthesis of MMPs is increased, leading to collagen degradation, and to a decrease in skin elasticity and the formation of skin wrinkles. In particular, when sunlight and ultraviolet rays are directly irradiated onto the skin, a large amount of free radicals are generated, and these free radicals may damage the antioxidant defense system of the skin, thereby increasing wrinkles, relaxing the skin, and accelerating skin aging. Therefore, in order to reduce skin wrinkles and maintain elasticity, it is necessary to protect the skin by inhibiting the production of reactive oxygen species and free radicals, inhibiting inflammatory responses, and promoting skin regeneration of wounds.

Substances known to be effective in reducing skin wrinkles include adenosine and retinoic acid. However, adenosine has little efficacy in clinical practice, and retinoic acid is not available for pregnant women and has side effects, such as erythema. Therefore, functional cosmetics for skin anti-aging containing active ingredients derived from plants or natural products have recently attracted attention. However, functional cosmetics containing plant extracts as active ingredients have the following problems: they can cause a foreign body sensation during their evaporation after application to the skin, and their duration of action is short.

Recently, it has been reported that the cell secretory group (secretome) contains various bioactive molecules that regulate cell behavior. In particular, the cell secretory group contains "exosomes" having an intercellular signaling function, and thus its components and functions have been actively studied.

Cells release a variety of membrane vesicles into their Extracellular environment, and these released vesicles are commonly referred to as Extracellular Vesicles (EV). EV is also known as a cell membrane-derived vesicle, an ectosome (ectosome), an shedding vesicle, a microparticle, an exosome, and the like, and is also used separately from an exosome in some cases.

An exosome is a vesicle having a size of several tens to several hundreds of nanometers, which is composed of a phospholipid bilayer membrane having the same structure as a cell membrane. The exosomes comprise proteins, nucleic acids (mRNA, miRNA, etc.), and the like, which are called exosome-carriers (cargo). It is known that exosome cargo comprises a wide range of signalling factors, and that these signalling factors are specific for cell types and are differentially regulated depending on the environment of the secreting cell. Exosomes are known to be intercellular signaling mediators secreted by cells, and the various cellular signals transmitted through them regulate cellular behavior, including activation, growth, migration, differentiation, dedifferentiation, apoptosis, and necrosis of target cells. Exosomes contain specific genetic material and bioactive factors, depending on the nature and state of the cell from which they are derived. Exosomes derived from proliferating stem cells regulate cell behavior such as cell migration, proliferation and differentiation, and summarize the functions of stem cells involved in tissue regeneration (Nature Review Immunology 2002(2) 569-579).

It is known that exosomes, known as "avatars" of cells, are released not only from stem and cancer cells, but also from cells of various organisms (e.g., plants, bacteria, fungi, and algae). For example, exosomes may be isolated from conditioned medium or fermentation product of yeast, as well as conditioned medium of mesenchymal stem cells and conditioned medium of fibroblasts.

Yeasts are used for the preparation of various fermented foods, and it is known that a yeast fermentation product obtained in the process of brewing alcoholic beverages has an effect on the improvement of skin conditions. However, research on the isolation, purification and characterization of exosomes derived from yeast is still insufficient. Thus, there is a need for more detailed characterization and functional studies of yeast-derived exosomes.

In this regard, fermented cosmetics have recently been popular, and the types of yeast used in cosmetics have also increased. About hundreds of types of yeast are used as cosmetic ingredients, and among the fermented cosmetic ingredients, galactose yeast fermentation filtrate achieves the best consumer response. Galactose yeast is a genus of yeast found in the course of studying various yeasts with a view to the following facts: the skin of the hand of the craftsman who brewed the refined rice wine is elastic and clean to his age. The fermentation filtrate of the galactococcus is rich in vitamins, minerals, amino acids, organic acids, enzymes, yeast peptides and the like. However, galactose yeast fermentation filtrate may cause side effects such as skin problems, skin redness or dermatitis in people whose skin is sensitive to the fermented ingredients.

The present inventors have found that exosomes derived from galactose yeast is effective in skin rejuvenation, skin elasticity improvement, and/or skin wrinkle reduction, and have developed a cosmetic composition for skin rejuvenation, skin elasticity improvement, or skin wrinkle reduction, which comprises exosomes derived from galactose yeast as an active ingredient.

Meanwhile, it should be understood that the contents described as background art are only intended to help understanding of the background of the present invention and are not considered as prior art to the present invention.

Disclosure of Invention

Technical challenge

It is an object of the present invention to provide a cosmetic composition for skin regeneration, skin elasticity improvement or skin wrinkle reduction, comprising an exosome derived from galactococcus as an active ingredient.

However, the invention as described above is intended to be illustrative and the scope of the invention is not so limited. Other objects and advantages of the present invention will become more fully apparent from the following description, the appended claims and the accompanying drawings.

Technical scheme

The present invention provides a cosmetic composition for skin regeneration, skin elasticity improvement, or skin wrinkle reduction, comprising an exosome derived from galactococcus (galactosaccharomyces-derived exosome) as an active ingredient.

The term "galactosaccharomyces" as used herein is a genus of fungi in the family of bipedaceae (diapasceae), and refers to a yeast of the genus galactosaccharomyces used in brewing or fermentation processes. Various strains of galactose yeast are known for use in a process of brewing alcoholic beverages by fermenting grains.

The term "exosome" as used herein refers to a nano-sized vesicle secreted or released from yeast into the extracellular space and having a membrane structure, and is also referred to as an exosome-like vesicle or an exosome-like particle.

The term "exosomes derived from galactose yeast (galactose yeast-derived exosomes)" as used herein is intended to include all exosomes isolated from a conditioned medium or a galactose yeast fermentation product of galactose yeast, or from a biological solution of galactose yeast equivalent thereto, or secreted and/or released from galactose yeast itself.

The term "skin elasticity" as used herein refers to a characteristic in which deformed skin caused by an external force easily recovers its original shape when the external force is removed. The term "skin wrinkles" refers to fine lines caused by skin aging. Skin wrinkles may be caused by genetic factors, a reduction in collagen and elastin present in the dermis of the skin, external environmental factors, and the like. Thus, the term "skin wrinkle reduction or improvement" as used herein refers to inhibiting or preventing the formation of wrinkles on the skin, or reducing wrinkles that have already formed.

In the cosmetic composition according to an embodiment of the present invention, the galactose yeast-derived exosome may be isolated from a conditioned medium of a galactose yeast or a galactose yeast fermentation product.

The cosmetic composition according to one embodiment of the present invention may be, for example, a cream or an emulsion.

Meanwhile, the cosmetic composition according to an embodiment of the present invention may suitably contain components generally used in cosmetic products, for example, a moisturizing agent, an antioxidant, an oily component, a UV absorber, an emulsifier, a surfactant, a thickener, an alcohol, a powder component, a colorant, an aqueous component, water, various skin nutrients, and the like, as necessary, within a range that does not impair the effects of the present invention.

Further, the cosmetic composition according to an embodiment of the present invention may further include an agent for improving skin conditions and/or a moisturizing agent, which has been used in the prior art, in addition to the galactose yeast-derived exosome, within a range in which the effect (e.g., wrinkle improvement, skin regeneration, skin elasticity improvement, skin cosmetology, etc.) is not impaired. For example, a galactosaccharomyces-derived exosome of the present invention may be comprised in or mixed with at least one of the following: hydrogels, hyaluronic acid, salts of hyaluronic acid (e.g., sodium hyaluronate, etc.), or hyaluronic acid gels. In the cosmetic composition according to one embodiment of the present invention, the kind of the hydrogel is not particularly limited, but the hydrogel may be preferably obtained by dispersing a gelling polymer in a polyol. The gel polymer may be at least one selected from the group consisting of: pluronic, purified agar, agarose, gellan gum, alginic acid, carrageenan, cassia gum, xanthan gum, galactomannan, glucomannan, pectin, cellulose, guar gum, and locust bean gum, and the polyol may be at least one selected from the group consisting of: ethylene glycol, propylene glycol, 1, 3-butylene glycol, isobutylene glycol, dipropylene glycol, sorbitol, xylitol, and glycerin.

The cosmetic composition according to one embodiment of the present invention may be used in various forms, for example, a patchSheet-mounted maskFace pack towelCreamSkin-activating waterOintmentSuspension formulationEmulsion formulationPaste agentEmulsion and method of makingGel agentOil preparationPeeling type facial maskSpray agentAerosol formulationMist agentFoundation make-upPowderAnd oiled paperFor example, the cosmetic composition may be applied to or impregnated in at least one surface of a patch, a sheet pack or a mask towel.

The cosmetic composition is used for the purpose of skin regeneration, skin elasticity improvement, wrinkle improvement, etc., and may be prepared in any formulation generally prepared in the art. For example, it may be formulated as: patch, sheet pack, mask sheet, skin softenerNutrition productAstringent lotionNourishing creamMassage creamEye creamCleaning creamEssence of plantEye essenceCleansing emulsionCleaning foamClean waterSunscreen creamLipstickSoapHair shampooDetergent containing surfactantBath preparationBody washBody creamBody oilBody essenceBody cleanserHair dyeHair growth agentAnd the like, but are not limited thereto.

The cosmetic composition according to one embodiment of the present invention comprises components commonly used in cosmetic products. For example, the cosmetic composition may contain conventional adjuvants and carriers such as antioxidants, stabilizers, solubilizers, vitamins, pigments and perfumes. In addition, other components in each formulation of the cosmetic composition can be appropriately selected by those skilled in the art without difficulty depending on the type or intended use of the cosmetic composition.

Another embodiment of the present invention provides a cosmetic method for regulating the condition of mammalian skin using the cosmetic composition for therapeutic purposes in addition to the therapeutic purposes. In the cosmetic method of the present invention, the expression "regulating the skin condition" means improving the skin condition and/or prophylactically regulating the skin condition, and the expression "improving the skin condition" means visually and/or tactilely perceptible positive changes in the appearance and feel of the skin tissue. For example, the expression "improving the skin condition" may include skin rejuvenation, improvement in skin elasticity and/or reduction of skin wrinkles.

A cosmetic method according to an embodiment of the invention comprises: (a) applying the cosmetic composition directly to mammalian skin; or (b) contacting or adhering a patch, a sheet-pack or a mask towel having the cosmetic composition applied thereto or impregnated therein with or to mammalian skin; or (a) and (b) are carried out sequentially. In step (a), the cosmetic composition may be an emulsion or a cream.

Alternatively, the cosmetic method according to an embodiment of the present invention may further comprise (c) removing a patch, a sheet-mounted mask or a face mask towel from the mammalian skin after step (b), and applying the cosmetic composition to the mammalian skin. In step (c), the cosmetic composition may be an emulsion or a cream.

In a cosmetic method according to an embodiment of the invention, the mammal may be a human, dog, cat, rodent, horse, cow, monkey or pig.

Advantageous effects

The cosmetic composition for skin regeneration, skin elasticity improvement or skin wrinkle reduction according to the present invention, which comprises the exosome derived from galactococcus as an active ingredient, has a better effect on skin regeneration, skin elasticity improvement and/or skin wrinkle reduction than the filtrate of the galactose yeast conditioned medium. Therefore, the cosmetic composition of the present invention has an excellent effect on skin regeneration, skin elasticity improvement and/or skin wrinkle reduction.

It should be understood that the scope of the present invention is not limited to the above-described effects.

Drawings

Fig. 1A shows an image of particles obtained by Transmission Electron Microscopy (TEM) of a galactose yeast derived exosome obtained according to an embodiment of the present invention. FIG. 1B shows an enlarged image of the particles of FIG. 1A.

Fig. 2A and 2B are graphs showing the results of NTA analysis of galactose yeast-derived exosomes.

FIG. 3 depicts fluorescence microscopy images showing cells with fluorescent stained exosomes delivered into human dermal fibroblasts (green: exosomes delivered into cells; blue: nuclei; and red: cell membranes).

Fig. 4 depicts a graph showing the relative collagen amount increased when human dermal fibroblasts were treated with various concentrations of galactose yeast-derived exosomes and then cultured for 24 hours.

Fig. 5 depicts a graph showing the relative collagen amount increased (or decreased) when human dermal fibroblasts were treated with different concentrations of galactose yeast-derived exosomes or filtrate of galactose yeast conditioned medium and subsequently cultured for 48 hours.

Detailed Description

Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the following examples are merely illustrative of the present invention and are not intended to limit or restrict the scope of the present invention. Those easily inferred from the detailed description and examples of the present invention by those skilled in the art are interpreted as falling within the scope of the present invention. The references mentioned in this invention are incorporated herein by reference.

It should be understood that throughout this specification, when any part is referred to as "comprising" any component, it does not exclude other components, and may also comprise other components, unless otherwise specified.

Examples

Example 1: preparation of galactococcus-derived exosome

Commercially available galactose yeast strains, Geotrichum candidum (G.candidum) and Geotrichum galactagos (G.geotrichum), for brewing or fermentation were shake-cultured, and then the conditioned medium was precipitated by centrifugation and the precipitated galactose yeast cells were removed.

The supernatant of the galactose yeast conditioned medium obtained by the above process was filtered through a 0.22- μm filter to remove impurities such as cell debris, waste and large particles. The galactococcus-derived exosomes were isolated from the filtered galactoyeast conditioned medium by Tangential Flow Filtration (TFF) method.

The size of the isolated galactose yeast derived exosomes was analyzed by Transmission Electron Microscopy (TEM). As shown in fig. 1A and 1B, it was confirmed that the isolated galactose yeast-derived exosomes were nano-sized vesicles. The size and concentration of galactose yeast derived exosomes was analyzed by Nanoparticle Tracking Analysis (NTA) using NS300 (available from Malvern Panalytical) (fig. 2A and 2B).

Example 2: evaluation of delivery Capacity of galactose Yeast-derived exosome into dermal fibroblast

To examine whether galactose yeast-derived exosomes were delivered to human dermal fibroblasts (purchased from CEFO co., Ltd.), the following analysis was performed. To fluorescently stain membranes of galactococcus-derived exosomes prepared in example 1, exosomes were reacted with PKH67 fluorescent dye (purchased from Sigma-Aldrich). After the reaction, the reaction solution was fractionated with a MW3000 column (available from ThermoFisher Scientific) to remove free PHK67 that was not stained in the exosome membrane. A negative control was prepared by reacting PKH67 fluorescent dye with buffer solution and fractionating the reaction product with a MW3000 column. Exosomes stained with PKH67 were incubated with pre-cultured human dermal fibroblasts and then observed using a fluorescence microscope for whether exosomes would be delivered into the cells over time. Cell nuclei were stained with Hoechst fluorescent dye (purchased from Sigma-Aldrich), and cell membranes were stained with CellMask orange plasma membrane staining fluorescent dye. As a result of examining whether exosomes would be delivered into cells, it was determined that fluorescently stained exosomes were delivered into cells and green fluorescence was accumulated in cells over time (fig. 3).

Example 3: evaluation of collagen production stimulating Effect

Human dermal fibroblasts (purchased from CEFO co., Ltd.) dispersed in DMEM medium containing fetal bovine serum were dispensed into multi-well plates and then cultured for 24 hours and further cultured in serum-free medium for 24 hours. Thereafter, the galactose yeast-derived exosomes prepared in example 1 were diluted in serum-free media of various concentrations, and then human dermal fibroblasts were treated with each dilution and cultured. Thereafter, the medium is collected and centrifuged, and then the centrifuged medium is prepared. The amount of collagen synthesized by human dermal fibroblasts and accumulated in the culture medium was measured using an EIA kit (purchased from Takara Bio) against type I procollagen C-peptide (PIP). Total protein mass of cell lysates was measured using BCA protein assay kit (purchased from ThermoFisher Scientific). The amount of collagen was normalized by the total protein mass and the relative amount of collagen was calculated. As a result of measuring the amount of collagen after culturing human dermal fibroblasts treated with galactose yeast-derived exosomes for 24 hours, it was determined that galactose yeast-derived exosomes dose-dependently increased collagen synthesis in human dermal fibroblasts (fig. 4).

In addition, the filtered galactose yeast conditioned medium prepared in example 1 was diluted to concentrations of 20%, 6%, and 2% in serum-free medium, and then human dermal fibroblasts were treated with each dilution and cultured. In addition, the galactose yeast-derived exosome prepared in example 1 was diluted in serum-free medium at different concentrations, and then human dermal fibroblasts were treated with each dilution and cultured. In the case of Geotrichum galobaculum (Galactomyces geotrichum), the concentration of the galactose yeast-derived exosomes to be treated for human dermal fibroblasts was 2.8X 10⁹particles/mL (corresponding to 20% of the filtered galactose yeast conditioned medium), 1.0X 10⁹particles/mL (corresponding to 7.1% filtered galactose yeast conditioned medium) and 3.0X 10⁸particles/mL (corresponding to 2.0% filtered galactose yeast conditioned medium). In the case of Geotrichum candidum (Galactomyces candidum), the concentrations of galactose yeast-derived exosomes treated with human dermal fibroblasts were 4.5X 10, respectively⁹particles/mL (corresponding to 20% of the filtered Geotrichum candidum conditioned Medium), 1.0X 10⁹particles/mL (corresponding to 4.5% of filtered Geotrichum candidum conditioned Medium) and 3.0X 10⁸particles/mL (corresponding to 1.3% of filtered Geotrichum candidum conditioned medium). As a result of measuring the amount of collagen after culturing human dermal fibroblasts treated with galactose yeast-derived exosomes for 48 hours, it was confirmed that galactose yeast-derived exosomes dose-dependently increased collagen synthesis in human dermal fibroblasts (graph)5A and 5B).

In the case of the Geotrichum galactopyranose, 2.8X 10 was used in comparison with the treatment with 20% of the filtered Geotrichum galactopyranose conditioned medium⁹Treatment with individual particles/mL of galactococcus-derived exosomes (corresponding to 20% filtered digomomyces galactococcus conditioned medium) showed a significant increase in collagen synthesis, and treatment with 2% filtered digomomyces galactococcus conditioned medium instead inhibited collagen synthesis (fig. 5A).

In the case of Geotrichum candidum, 1.0X 10 is used in comparison with the treatment with 6% of filtered Geotrichum candidum conditioned medium⁹Treatment of individual particles/mL of galactose yeast-derived exosomes (corresponding to 4.5% of filtered geotrichum candidum conditioned medium) showed a significant increase in collagen synthesis, although the concentration of galactose yeast-derived exosomes expressed as conditioned medium was below 6% of filtered geotrichum candidum conditioned medium. Furthermore, 4.5X 10 was used in comparison with 20% of the conditioned medium of Geotrichum candidum⁹Treatment with individual particles/mL of galactococcus-derived exosomes (corresponding to 20% of filtered geotrichum candidum conditioned medium) showed a significant increase in collagen synthesis. Furthermore, 3.0X 10 was used compared to the treatment with 2% of the filtered Geotrichum candidum conditioned medium⁸Treatment of individual particles/mL of galactose yeast-derived exosomes (corresponding to 1.3% of filtered geotrichum candidum conditioned medium) showed an increase in collagen synthesis despite the concentration of galactose yeast-derived exosomes expressed as conditioned medium being below 2% of filtered geotrichum candidum conditioned medium.

From the above results, it was confirmed that the cosmetic composition for skin regeneration, skin elasticity improvement or skin wrinkle reduction comprising the exosome derived from saccharomyces cerevisiae as an active ingredient has useful functional activity (i.e., activity of significantly increasing collagen synthesis) as a functional cosmetic composition, as compared to the filtrate of the culture medium conditioned with saccharomyces cerevisiae. Therefore, the galactose yeast-derived exosome of the present invention can be used as an active ingredient for a functional cosmetic composition.

Although the present invention has been described with reference to some embodiments, the scope of the present invention is not limited to these embodiments. Any person skilled in the art will understand that various modifications and changes may be made without departing from the spirit and scope of the present invention, and that such modifications and changes also fall within the scope of the present invention.