US20170087195A1 - Composition for treating or preventing metabolic disease, containing, as active ingredient, extracellular vesicles derived from akkermansia muciniphila bacteria - Google Patents

Composition for treating or preventing metabolic disease, containing, as active ingredient, extracellular vesicles derived from akkermansia muciniphila bacteria Download PDF

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US20170087195A1
US20170087195A1 US15/312,419 US201515312419A US2017087195A1 US 20170087195 A1 US20170087195 A1 US 20170087195A1 US 201515312419 A US201515312419 A US 201515312419A US 2017087195 A1 US2017087195 A1 US 2017087195A1
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extracellular vesicles
akkermansia muciniphila
metabolic disease
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derived extracellular
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Yoon-Keun Kim
Hyun-Taek PARK
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MD Healthcare Inc
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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
    • A61K35/66—Microorganisms or materials therefrom
    • A61K35/74—Bacteria
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/135—Bacteria or derivatives thereof, e.g. probiotics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/04—Anorexiants; Antiobesity agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/06—Antihyperlipidemics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/12—Antihypertensives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

Definitions

  • the present invention relates to a pharmaceutical and food composition containing extracellular vesicles derived from Akkermansia muciniphila as an active ingredient for treating, preventing or alleviating a metabolic disease.
  • a metabolic disease is a general term for diseases that occur due to in vivo metabolic disorders.
  • the metabolic disease generally is caused by the imbalance of carbohydrates, lipids, proteins, vitamins, electrolytes, water, and the like.
  • Examples of the metabolic diseases include obesity, diabetes, hyperlipidemia, arteriosclerosis, hypertension, and the like.
  • type 2 diabetes which is adult-onset diabetes is characterized by an increase in insulin resistance.
  • the sensitivity of insulin receptors lowers, or a problem of a second messenger that activates intracellular glycogenesis arises, sensitivity to insulin lowers. Therefore, type 2 diabetes which is referred to as non-insulin dependent diabetes accounts for 85 to 90% of diabetes.
  • Extracellular vesicles secreted from bacteria are known to contain a lipopolysaccharide (LPS) and bacteria-derived proteins, and to induce an inflammatory disease.
  • LPS lipopolysaccharide
  • bacteria-derived proteins a mechanism of inhibiting the local inflammatory response caused by pathogenic bacteria-derived vesicles is not known yet.
  • extracellular vesicles are found in various secreted substances, excreta, or tissue lavage fluid from humans or animals, and that extracellular vesicles present in tissue are known to reflect a state of the tissue that secretes the vesicles, and can be used to diagnose a disease.
  • Akkermansia muciniphila is known as a mucin-degrading Gram-negative bacterium that lives in the large intestine of mammals including humans in symbiosis, and is associated with diabetes and obesity. Also, it has been known that Akkermansia muciniphila itself aggravates an inflammatory bowel disease.
  • Akkermansia muciniphila secretes extracellular vesicles, which are able to prevent an inflammatory bowel disease (Kang CS et al., Extracellular vesicles derived from Gut microbiota, especially Akkermansia muciniphila , protect the progression of dextran sulfate sodium-induced colitis; PLOS ONE 2013).
  • AMPK 5′ AMP-activated protein kinase
  • AMPK 5′ AMP-activated protein kinase
  • Metformin is one of the therapeutic agents for diabetes, for recovering insulin resistance, or exercise, etc.
  • the present inventors found that extracellular vesicles secreted from Akkermansia muciniphila inhibit obesity and diabetes induced by a high fat diet, and recover insulin resistance which is important to an etiological cause of diabetes caused by a high fat diet, all of which occur when AMPK is activated. Therefore, the present invention was completed based on this fact.
  • an object of the present invention is to provide a pharmaceutical and food composition for treating or preventing metabolic diseases such as obesity, diabetes, hyperlipidemia, hypertension, etc., using Akkermansia muciniphila -derived extracellular vesicles.
  • the present invention provides a pharmaceutical composition containing Akkermansia muciniphila -derived extracellular vesicles as an active ingredient for treating or preventing a metabolic disease.
  • the present invention provides a food composition containing Akkermansia muciniphila -derived extracellular vesicles for preventing or alleviating a metabolic disease.
  • the present invention provides a method for preventing or treating a metabolic disease, which includes administering Akkermansia muciniphila -derived extracellular vesicles to a subject.
  • the present invention provides a use of Akkermansia muciniphila -derived extracellular vesicles for preventing or treating a metabolic disease.
  • the extracellular vesicles may be naturally or artificially secreted from Akkermansia muciniphila.
  • the extracellular vesicles may have an average diameter of 20 to 300 nm, and preferably, 50 to 200 nm.
  • the metabolic disease may be selected from the group consisting of obesity, diabetes, hyperlipidemia, and hypertension.
  • the food may be a fermented food prepared through fermentation by adding Akkermansia muciniphila.
  • a pharmaceutical composition according to the present invention which contains Akkermansia muciniphila -derived extracellular vesicles as an active ingredient, can treat and prevent metabolic diseases such as obesity, diabetes, hyperlipidemia, hypertension, etc., which are induced by a high fat diet.
  • a fermented food composition according to the present invention which contains Akkermansia muciniphila -derived extracellular vesicles, can prevent and alleviate metabolic diseases such as obesity, diabetes, hyperlipidemia, hypertension, etc., which are induced by a high fat diet.
  • FIG. 1 illustrates a result obtained by observing extracellular vesicles isolated from a culture medium of Akkermansia muciniphila through an electron microscope.
  • FIG. 2 illustrates a result obtained by measuring an average diameter of Akkermansia muciniphila -derived extracellular vesicles through a light scattering method.
  • FIG. 3 illustrates a result obtained by comparing and evaluating protein expression patterns of Akkermansia muciniphila and Akkermansia muciniphila -derived extracellular vesicles through SDS-PAGE.
  • FIG. 4 illustrates a result showing that secretion of pro-inflammatory cytokines (IL- 6 ) caused by LPS is inhibited when a macrophage is pretreated with Akkermansia muciniphila -derived extracellular vesicles (EV).
  • IL- 6 pro-inflammatory cytokines
  • EV extracellular vesicles
  • FIG. 5 illustrates an experimental protocol for confirming a therapeutic effect on a metabolic disease after Akkermansia muciniphila -derived extracellular vesicles (EV) are directly administered to the stomach of obese and diabetic mouse models induced by a high fat diet.
  • EV Akkermansia muciniphila -derived extracellular vesicles
  • FIG. 6 illustrates a result obtained by observing a change in weight after Akkermansia muciniphila -derived extracellular vesicles (Akk EV) are directly administered to the stomach of metabolic disease mouse models induced by a high fat diet.
  • Akkermansia muciniphila -derived extracellular vesicles Akk EV
  • FIG. 7 illustrates a result obtained by measuring a plasma glucose level when fasting after Akkermansia muciniphila -derived extracellular vesicles (Akk EV) are directly administered to the stomach of metabolic disease mouse models induced by a high fat diet.
  • Akkermansia muciniphila -derived extracellular vesicles Akk EV
  • FIG. 8 illustrates a result obtained by measuring an insulin concentration in blood after Akkermansia muciniphila -derived extracellular vesicles (Akk EV) are directly administered to the stomach of metabolic disease mouse models induced by a high fat diet.
  • Akkermansia muciniphila -derived extracellular vesicles Akk EV
  • FIG. 9 illustrates a result obtained by measuring concentrations of IFN- ⁇ and IL-17 in supernatant liquid obtained by isolating splenocytes from the body and then stimulating with an anti-CD3 antibody and an anti-CD28 antibody for 48 hours after Akkermansia muciniphila -derived extracellular vesicles (Akk EV) are directly administered to the stomach of metabolic disease mouse models induced by a high fat diet.
  • Akk EV Akkermansia muciniphila -derived extracellular vesicles
  • FIG. 10 illustrates a result obtained by confirming whether inhibited insulin signal transduction is recovered by Akkermansia muciniphila -derived extracellular vesicles (Akk EV) after mouse myocytes are treated with high fatty acids to induce insulin resistance.
  • FIG. 11 illustrates a result obtained by comparing and evaluating in vivo distribution patterns of Akkermansia muciniphila (bacteria) and Akkermansia muciniphila -derived extracellular vesicles (EV) after each of Akkermansia muciniphila (bacteria) and Akkermansia muciniphila -derived extracellular vesicles (EV) are directly administered to a mouse's stomach.
  • FIG. 12 illustrates a result obtained by comparing and evaluating in vivo distribution patterns of Akkermansia muciniphila (bacteria) and Akkermansia muciniphila -derived extracellular vesicles (EV) by extracting blood and various organs (such as heart, lungs, liver, kidney, spleen, adipose tissue, and muscle) at 12 hours after each of Akkermansia muciniphila (bacteria) and Akkermansia muciniphila -derived extracellular vesicles (EV) are directly administered to a mouse's stomach.
  • organs such as heart, lungs, liver, kidney, spleen, adipose tissue, and muscle
  • FIG. 13 illustrates a result obtained by comparing and evaluating whether Akkermansia muciniphila (bacteria) and Akkermansia muciniphila -derived extracellular vesicles (EV) penetrate an intestinal barrier and then are absorbed into tissue after each of Akkermansia muciniphila (bacteria) and Akkermansia muciniphila -derived extracellular vesicles (EV) are directly administered to a mouse's large intestine.
  • FIG. 15 illustrates a result obtained by confirming AMPK activation at 60 minutes after Akkermansia muciniphila -derived extracellular vesicles (EV) are administered to myocytes in vitro at varying concentrations (0.1, 1, and 10 ⁇ g/mL).
  • FIG. 16 illustrates a result obtained by confirming AMPK activation at varying times (10, 20, 30, and 60 minutes) after Akkermansia muciniphila -derived extracellular vesicles (EV) are administered to myocytes in vitro at a dose of 1 ⁇ g.
  • FIG. 17 illustrates a result obtained by confirming AMPK activation after metformin, an AMPK signal inhibitor (compound C), and E. coli -derived extracellular vesicles are respectively administered to myocytes in vitro.
  • FIG. 18 illustrates a result obtained by comparing and evaluating the degree of glucose uptake after insulin, metformin, and Akkermansia muciniphila -derived extracellular vesicles (EV) are respectively administered to myocytes in vitro.
  • FIG. 19 illustrates a result obtained by comparing and evaluating the degree of expression of a GLUT4 transporter, a receptor for glucose uptake, after insulin, metformin, and Akkermansia muciniphila -derived extracellular vesicles (EV) are respectively administered to a myocyte in vitro.
  • FIG. 20 illustrates a result obtained by confirming an effect of an AMPK signal inhibitor (compound C) on glucose uptake after Akkermansia muciniphila -derived extracellular vesicles (EV) are administered to myocytes in vitro.
  • compound C an AMPK signal inhibitor
  • EV extracellular vesicles
  • the present invention relates to a pharmaceutical/food composition containing extracellular vesicles derived from enteric bacteria, particularly Akkermansia muciniphila , as an active ingredient for treating, preventing or alleviating a metabolic disease.
  • the present inventors have found that when Akkermansia muciniphila -derived extracellular vesicles (EV) are administered to the stomach of metabolic disease mouse models induced by a high fat diet, obesity is inhibited, insulin resistance induced by a fatty acid is recovered, the diabetes phenotype is inhibited, and an immune function is enhanced.
  • EV Akkermansia muciniphila -derived extracellular vesicles
  • the present inventors have found, through a result obtained by comparing in vivo absorption patterns of Akkermansia muciniphila itself and an Akkermansia muciniphila -derived extracellular vesicle, that the in vivo absorption of extracellular vesicles is remarkably superior.
  • the present inventors have found that when Akkermansia muciniphila -derived extracellular vesicles are administered to myocytes, expression of a glucose uptake receptor (GLUT4) in myocytes is promoted by AMPK activation, thereby increasing glucose uptake.
  • GLUT4 glucose uptake receptor
  • a “metabolic disease” refers to a general term for diseases that occur due to an in vivo metabolic disorder.
  • the metabolic disease is generally caused by the imbalance of carbohydrates, lipids, proteins, vitamins, electrolytes, water, and the like. Representative examples thereof include obesity, diabetes, hyperlipidemia, arteriosclerosis, and the like, all of which are caused by a high fat diet.
  • treating or preventing a metabolic disease includes alleviating and mitigating a metabolic disease, and improving symptoms, and also, includes lowering the probability of getting a metabolic disease.
  • an “ Akkermansia muciniphila -derived extracellular vesicle” may be isolated from a culture medium of Akkermansia muciniphila or a food fermented with Akkermansia muciniphila .
  • a method for isolating the extracellular vesicle from the culture medium of Akkermansia muciniphila or the food fermented with Akkermansia muciniphila is not specifically limited as long as extracellular vesicles are included.
  • extracellular vesicles may be isolated from a bacteria culture medium or a fermented food using a method such as centrifugation, ultracentrifugation, filtration with a filter, gel filtration chromatography, free-flow electrophoresis, capillary electrophoresis, isolation using a polymer, or a combination thereof.
  • processes such as washing for removing impurities and concentration of obtained extracellular vesicles may be further included.
  • the extracellular vesicles include extracellular vesicles naturally or artificially secreted.
  • the extracellular vesicles isolated by the method may have an average diameter of 20 to 300 nm, and preferably, 30 to 200 nm.
  • the composition for treating or preventing a metabolic disease may be prepared into a pharmaceutical composition.
  • the composition for treatment and prevention it is possible to administer extracellular vesicles according to the present invention themselves, but it is preferable that the pharmaceutical composition contains the extracellular vesicles as an active ingredient.
  • the pharmaceutical composition contains the isolated extracellular vesicles as an active ingredient and may include a pharmaceutically acceptable carrier.
  • the pharmaceutically acceptable carrier that can generally be used in formulation includes saline, sterile water, Ringer's solution, buffered saline, cyclodextrins, a dextrose solution, a maltodextrin solution, glycerol, ethanol, a liposome, and the like, but the present invention is not limited thereto.
  • other conventional additives such as an antioxidant, a buffer, etc. may be further included.
  • a diluent, a dispersant, a surfactant, a binder, a lubricant, and the like may be further added to prepare the composition into an injectable formulation such as an aqueous solution, a suspension, an emulsion, etc., a pill, a capsule, a granule, or a tablet.
  • an injectable formulation such as an aqueous solution, a suspension, an emulsion, etc., a pill, a capsule, a granule, or a tablet.
  • a suitable pharmaceutically acceptable carrier and a preparation thereof may be preferably referenced from the method disclosed in the Remington's document (Remington's Pharmaceutical Science, Mack Publishing Company, Easton Pa.) according to a component.
  • the pharmaceutical composition according to the present invention is not limited to a formulation, but may be prepared into injections, inhalations, skin remedies for external use, and the like.
  • a method for administering a pharmaceutical composition according to the present invention is not specifically limited, but may include parenteral administration such as intravenous administration, subcutaneous administration, intraperitoneal administration, inhalation, dermal application, or topical application, or oral administration depending on a desired method.
  • a dose range may vary depending on weight, age, gender, and health condition of a patient, a diet, the duration of administration, an administration mode, an excretion rate, severity of disease, and the like.
  • a dose used daily refers to a sufficient amount of the therapeutic substance of the present invention, which is administered to a subject requiring treatment so as to alleviate a disease.
  • An effective dose of the therapeutic substance may vary depending on a specific compound, the state and severity of a disease, and a subject that requires treatment and may be generally determined by skilled practitioners.
  • a dose of the composition according to the present invention for a human body may vary depending on age, weight, and gender of a patient, an administration mode, health condition, and the severity of disease.
  • the composition may be generally administered at a dose of 0.01 to 1000 mg/day, and preferably, 1 to 500 mg/day. In this case, divided administration may be performed at a predetermined time interval once or several times a day.
  • the composition for preventing or alleviating a metabolic disease may be prepared into a food composition.
  • the food composition may include the extracellular vesicles as an active ingredient, and also include ingredients that are generally added in food production, for example, proteins, carbohydrates, lipids, nutrients, a seasoning agent, and a flavoring agent.
  • ingredients that are generally added in food production for example, proteins, carbohydrates, lipids, nutrients, a seasoning agent, and a flavoring agent.
  • the food composition according to the present invention is prepared into drinks, citric acid, high fructose corn syrup, sugar, glucose, acetic acid, malic acid, fruit juice, and the like in addition to extracellular vesicles according to the present invention may be further included.
  • composition according to the present invention When the composition according to the present invention is prepared into a food composition, a fermented food such as kimchi on its own may be used.
  • a fermented food such as kimchi on its own may be used.
  • An Akkermansia muciniphila strain (ATCC BAA-835) was cultured in 2 L of autoclaved Brain-heart infusion broth (BD 237500) in an anaerobic chamber for 72 hours so that an O.D value became 1.5, and then a culture medium was centrifuged at a high speed (10,000 ⁇ g) for 20 minutes to obtain a supernatant excluding a precipitated bacterial cell pellet. The supernatant was filtered with a 0.45 ⁇ m filter and a 0.22 ⁇ m filter, thus obtaining a culture medium concentrated about 14 fold using the Quixstand benchtop system. The culture medium was ultracentrifuged (150,000 ⁇ g) at 4° C. for 2 hours to obtain pellets, and then the pellets was dissolved with sterile saline (PBS), followed by protein quantification.
  • PBS sterile saline
  • Example 1 In order to confirm whether the Akkermansia muciniphila -derived extracellular vesicles obtained in Example 1 inhibit obesity and diabetes induced by a high fat diet, an experiment was performed as follows.
  • the extracellular vesicles obtained in Example 1 were administered to each of normal mice which were fed a regular diet (RD) for 2 months and obese and diabetic mouse models induced by being fed a high fat diet (HFD) for 2 months at a dose of 10 ⁇ g/mouse for 3 weeks at two day intervals (See FIG. 5 ).
  • RD regular diet
  • HFD high fat diet
  • mice were used as negative controls.
  • Example 1 In order to confirm whether the Akkermansia muciniphila -derived extracellular vesicles obtained in Example 1 affect an immune function, an experiment was performed as follows.
  • Immunocytes were extracted from tissues of spleen collected from respective mouse groups using 100 ⁇ m and 40 ⁇ m cell strainers. An extract was centrifuged (400 ⁇ g) for 5 minutes and then counted cells were plated at 5 ⁇ 10 5 cells/well onto a cell culture plate. Thereafter, anti-CD3 and anti-CD28,which stimulate co-stimulatory molecules of T cells (cytokine secretion), were added to the plate at concentrations of 1 ⁇ g/mL and 0.5 ⁇ g/mL, respectively, and then cells were cultured for 48 hours.
  • a decrease in pro-inflammatory cytokines such as IFN- ⁇ and IL-17 indicates that it is possible to treat obesity and diabetes by improving an immune function because obesity and diabetes are related to inflammation.
  • Example 1 In order to confirm whether the Akkermansia muciniphila -derived extracellular vesicles obtained in Example 1 recover insulin resistance, an experiment was performed as follows.
  • a culture medium of mouse-derived myocytes (C2C12, ATCC CRL-1772) was treated with a 1 mM fatty acid (sodium palmitate, SIGMA) and 4% bovine serum albumin (BSA) for 48 hours. Thereafter, Akkermansia muciniphila -derived extracellular vesicles were added at a concentration of 1 ⁇ g/ml to the treated culture medium, cultured for 6 hours, and then treated with 2 nM insulin to confirm intracellular signal transduction.
  • SIGMA sodium palmitate
  • BSA bovine serum albumin
  • PBS was used as a control group.
  • IVIS In vivo imaging system
  • each of Akkermansia muciniphila bacteria and Akkermansia muciniphila -derived extracellular vesicles were administered to a mouse's large intestine at a dose of 10 ⁇ g for 10 minutes.
  • IHC immunohistochemistry

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US15/312,419 2014-05-20 2015-05-19 Composition for treating or preventing metabolic disease, containing, as active ingredient, extracellular vesicles derived from akkermansia muciniphila bacteria Abandoned US20170087195A1 (en)

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KR10-2014-0060409 2014-05-20
KR20140060409 2014-05-20
KR1020150068864A KR101740893B1 (ko) 2014-05-20 2015-05-18 Ａｋｋｅｒｍａｎｓｉａ ｍｕｃｉｎｉｐｈｉｌａ 균에서 유래하는 세포밖 소포를 유효성분으로 함유하는 대사질환의 치료 또는 예방용 조성물
KR10-2015-0068864 2015-05-18
PCT/KR2015/004983 WO2015178653A1 (ko) 2014-05-20 2015-05-19 Akkermansia muciniphila 균에서 유래하는 세포밖 소포를 유효성분으로 함유하는 대사질환의 치료 또는 예방용 조성물

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CN116211896A (zh) * 2022-12-02 2023-06-06 广东悦创生物科技有限公司 嗜黏蛋白阿克曼菌jf3在干预放射性直肠病中改善组织纤维化和修复黏膜破损的应用

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