EP3847238A1 - Nouveau traitement de la mucite - Google Patents
Nouveau traitement de la muciteInfo
- Publication number
- EP3847238A1 EP3847238A1 EP19765152.4A EP19765152A EP3847238A1 EP 3847238 A1 EP3847238 A1 EP 3847238A1 EP 19765152 A EP19765152 A EP 19765152A EP 3847238 A1 EP3847238 A1 EP 3847238A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mucositis
- freudenreichii
- composition
- propionibacterium
- use according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- 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
- A61K35/741—Probiotics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
-
- 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
- A61K2035/11—Medicinal preparations comprising living procariotic cells
- A61K2035/115—Probiotics
Definitions
- the present invention relates to mucositis and, in particular, to the prevention or treatment of its two components, which are inflammation of the epithelial tissue and alteration of the tight junctions (shingles occludens) within this epithelial tissue.
- Mucositis is a pathology defined by the presence of inflammatory and / or ulcerative lesions of the oral and / or gastrointestinal tract. If its occurrence may be the result of an infectious disease, an immune deficiency or even drug toxicity, its appearance generally results from the follow-up of anti-cancer therapy. Thus, if 20 to 40% of patients undergoing chemotherapy are victims, it is present in more than 80% of patients undergoing high-dose chemotherapy and in almost all patients suffering from head or neck cancer following radiotherapy.
- mucositis can be dramatic since, in addition to the undernutrition it can cause in the patient, its occurrence often leads to modify, even sometimes to interrupt, the patient's anti-cancer treatment protocol, thereby impacting the chances of success of it.
- amifostine cytoprotective
- loperamide Anti -diarrheal
- mucositis including activated carbon, anti-inflammatory drugs such as budesonide, balsalazide or celecoxib, cytoprotectors such as sodium folinate, antibiotics including cefixime, levofloxacin, metronidazole or neomycin, growth factors of epithelial cells such as palifermin.
- anti-inflammatory drugs such as budesonide, balsalazide or celecoxib
- cytoprotectors such as sodium folinate
- antibiotics including cefixime, levofloxacin, metronidazole or neomycin
- growth factors of epithelial cells such as palifermin.
- mucositis and, more specifically, its two components which are 1) inflammation of the epithelial tissue and 2) alteration of the tight junctions of the epithelial tissue. It should also be noted that it precisely results from this double component, the ineffectiveness of anti-inflammatory drugs to treat mucositis and to allow the return to normal epithelial tissue.
- the inventors have now demonstrated that various bacterial strains belonging to the genus Propionibacterium exhibited, in addition to an anti-inflammatory action, an action of consolidation of tight junctions within the epithelial tissue.
- a first subject of the invention relates to a composition
- a composition comprising at least one bacterial strain belonging to the genus Propionibacterium for use in the treatment or prevention of mucositis in a subject, preferably for the treatment or prevention of damage to tight junctions of epithelial tissue associated with mucositis.
- Figure 1 shows the relative expression, determined by RT-PCR, of the genes coding for different cytokines, namely interleukin 10 (A), interleukin 8 (B), interferon alpha (C) and TNF alpha (D), in HT-29 cells brought into contact with Lipopolysaccharides (LPS) and / or with the strain Propionibacterium freudenreichii 129 Wild Type (WT) or with the deleted mutant strain Propionibacterium freudenheimii 129 AslpB (AslpB). These measurements were carried out in triplicate on three independent cultures by conditions. The means and standard deviations are therefore calculated on 9 measurements by condition. The asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- Figure 2 shows the absolute number and frequency of CD4 + RORDT + cells (A) and CD4 + FOXP3 + cells (B) in the spleen of mice suffering from mucositis induced by injection of 5-FU (the control group underwent injection of saline), and having received a treatment based on water, YEL medium, the bacterium Propionibacterium freudenreichii Wild-type (WT), or the mutant deleted strain Propionibacterium freudenreichii AslpB (AslpB). Frequencies were measured by flow cytometry. The means and standard deviations were calculated on the basis of 5 mice per group). The asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- Figure 3 shows the assay of different cytokines by ELISA in mice suffering from mucositis induced by an injection of 5-FU (the control group was injected with saline), and having received a water-based treatment , YEL medium, the bacteria Propionibacterium freudenreichii wild-type (WT), or the deleted mutant strain Propionibacterium freudenreichii AslpB (AslpB).
- the cytokines studied are F Interleukin-10 ( Figure 3A), F Interleukin-12 (Figure 3B), Interleukin-1B ( Figure 3C).
- the IL-10 / IL-12 ratio is presented in Figure 3D.
- the means and standard deviations were calculated on the basis of triplicate measurements on 3 independent replicates of ileums of 6 animals per group.
- the asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- Figure 4 shows the relative level of expression of Claudine 1 mRNA, measured by RT-PCR, in mice suffering from mucositis induced by an injection of 5-FU (the control group was injected with saline solution), and having received a treatment based on water, YEL medium, the bacteria Propionibacterium freudenreichii Wild-type (WT), or the deleted mutant strain Propionibacterium freudenreichii AslpB (AslpB).
- WT the bacteria Propionibacterium freudenreichii Wild-type
- AslpB the deleted mutant strain Propionibacterium freudenreichii AslpB
- Figure 5 shows sections of mouse ileum suffering from mucositis induced by an injection of 5-FU (the control group was injected with saline), and having received a treatment based on water, medium YEL, from the bacteria Propionibacterium freudenreichii Wild-type (WT), or from the deleted mutant strain Propionibacterium freudenreichii AslpB (AslpB) ( Figure 5B).
- the ileum sections are stained with hematoxylin and eosin, and correspond to a 20x objective magnification.
- the scale bar corresponds to 100 pm. Their histological scores associated with inflammation are shown in Figure 5A. The means and standard deviations were calculated on the basis of 18 sections of ileum per group (3 independent ileum sections of 6 mice per group). The asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- FIG. 6 shows the height of the villi (FIG. 6A), the ratio of the villus height / depth of the crypts (FIG. 6B) and the granular density of the Paneth cells (FIG. 6C) of the ileum of mice suffering from mucositis induced by an injection of 5-FU (the control group was injected with saline), and having received water-based treatment, of YEL medium, of the bacteria Propionibacterium freudenheimii Wild-type (WT), or of the deleted mutant strain Propionibacterium freudenreichii AslpB (AslpB).
- the microscopic morphometric analysis of the granules of Paneth cells was carried out on the basis of 10 images of ileum at 40 ⁇ objective magnification. The means and standard deviations were calculated on the basis of 18 sections of ileum per group (3 independent ileum sections of 6 mice per group). The asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- FIG. 7 represents the intestinal permeability measured 72 hours after induction of mucositis.
- the radioactivity of DTPA-TC99m was measured in the blood of the mice.
- the means and standard deviations were calculated on the basis of an independent measurement for 5 mice per group.
- the asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- FIG. 8 represents the weight loss observed in mice after induction of mucositis by injection of 5-LU on the different groups of mice.
- the means and standard deviations were calculated on the basis of 18 sections of ileum per group (3 independent ileum sections of 6 mice per group).
- the asterisks represent the significant statistical difference between the strains: * p ⁇ 0.05; ** r ⁇ 0.01; *** r ⁇ 0.001; **** p ⁇ 0.000l.
- said at least one bacterial strain belonging to the genus Propionibacterium is envisaged as a probiotic.
- probiotic is meant, within the meaning of the present invention, living or dead microorganisms which, administered in sufficient quantity to a host, animal in particular, have a beneficial effect on the health of the host.
- the bacterial strain belonging to the genus Propionibacterium can be administered to humans or animals without risk to their health, which constitutes an undeniable advantage.
- bacterial strain belonging to the genus Propionibacterium is meant a bacterial strain chosen from the group comprising P. freudenreichii, P. thoenii, P. jensenii and P. acidipropionici, preferably the bacterial strain belonging to the genus Propionibacterium belongs to the species P. freudenreichii.
- This bacterial strain advantageously expresses the SlpB protein (surface layer protein B), preferably it expresses an SlpB protein of the species P. freudenreichii.
- protein SlpB of the species P. freudenreichii mention may be made of the proteins having the accession numbers WP_051733954.1 (SEQ id no. 1), WP_055345346.l (SEQ id no. 2), CEG94741 .1 (SEQ id n ° 3), SCQ66536.1 (SEQ id n ° 4), SBT28366.1, WP_097850726.l (SEQ id n ° 5), WP_060760754.l (SEQ id n ° 6), and WP_060763255. l (SEQ id n ° 7).
- mucositis means a pathology defined by the presence of inflammatory and / or ulcerative lesions of the oral and / or gastrointestinal tract.
- the mucositis is a gastrointestinal mucositis.
- the use according to the invention is aimed at treating or preventing the alteration of the tight junctions of the epithelial tissue associated with mucositis.
- subject is meant, within the meaning of the present invention, an animal, preferably a mammal, and even more preferably a human. Note that it corresponds more particularly to a subject who is under the blow or will be the subject of a treatment by radiotherapy or chemotherapy.
- the strain of the invention can be used in combination with one or more other probiotic species for the preparation of probiotic compositions. They can be used in the form of whole bacteria, living or not, and also in the form of a bacterial lysate, or in the form of bacterial fractions.
- the composition of the invention comprises at least 10 6 , preferably at least 10 7 , and at most 5 ⁇ 10 10 bacteria belonging to the genus Propionibacterium per ml.
- the composition volume is at least one ml.
- the administration of the composition according to the invention can go up to 500 ml or even a liter.
- composition of the invention comprises one or more acceptable excipients.
- excipient is meant, within the meaning of the present invention, any substance, other than the active principle of the probiotic composition, intended to confer on said probiotic composition particular physical, chemical or taste characteristics and not interacting with the active principle .
- Said excipients may be of natural origin or of synthetic origin.
- acceptable excipients include: sugars such as sucrose, glucose, fructose, palatinose, trehalose, lactose and xylose; polyols such as sorbitol, xylitol, erythritol, and lactitol; emulsifiers such as sucrose esters of fatty acids, glycerol esters of fatty acids and lecithin; thickeners and stabilizers such as carrageenan, xanthan gum, guar gum, pectin and locust bean gum; acidifiers such as citric acid, lactic acid and malic acid; fruit juices such as lemon juice, orange juice and berry juice; vitamins such as vitamin A, vitamin B, vitamin C, vitamin D and vitamin E; and minerals such as calcium, iron, manganese and zinc.
- sugars such as sucrose, glucose, fructose, palatinose, trehalose, lactose and xylose
- polyols such as sorbito
- the composition of the invention is in a form which can be administered orally.
- Such compositions can take the form of capsules, tablets, powders, pastilles, granules, soft capsules, reconstitutable powders, suspensions, gels, frozen compositions, oral liquid preparations or even conventional food products. .
- the composition of the invention is in the form of a capsule.
- Tablets and capsules for oral administration may be single-dose and may contain one or more acceptable excipients such as binders, fillers, lubricants, wetting agents or even disintegrating agents.
- the tablets can be coated by methods well known in the pharmaceutical field.
- Liquid oral preparations can for example be in the form of aqueous or oily suspensions, solutions, emulsions, syrups or even elixirs in the form of dehydrated products which can be reconstituted with water or any other acceptable vehicle.
- Such liquid preparations can contain commonly used additives such as suspending agents, emulsifiers, non-aqueous vehicles, preservatives and optionally flavorings and / or colorings.
- composition of the invention is in the form of a food product or a food supplement.
- food product and “conventional food product”, is meant, within the meaning of the present invention, any substance or product, having been transformed, partially transformed or unprocessed and intended to be ingested by humans or animals.
- Food products can be of animal, vegetable or mineral origin. Food products provide the body with the energy and nutrients it needs to function.
- the food product according to the invention can be a liquid, therefore a drink, or a solid.
- dietary supplement is meant, within the meaning of the present invention, any product containing nutrients beneficial to health and which are added to the normal diet of humans or animals.
- Food supplements contain, but are not limited to, vitamins, minerals, amino acids, enzymes and probiotics.
- composition of the invention can be in the form of a dairy product, for example based on cow's milk, goat's milk or else sheep's milk, which can be in liquid, solid or powder form (milk, fermented milk , butter, cheese, cream, etc.).
- prevent and “prevention” is meant, within the meaning of the present invention, to avoid the appearance of a disease, a disorder or one or more signs and / or symptoms of a disease or a trouble.
- treating and “treatment” is meant, within the meaning of the present invention, improving or remedying a disease, a disorder or one or more signs and / or symptoms of a disease or a disorder.
- the invention also includes a method of preventing and / or treating mucositis, comprising a step of administering to a subject a therapeutically effective amount of at least one bacterial strain of Propionibacterium freudenreichii.
- terapéuticaally effective amount is meant, within the meaning of the present invention, the minimum amount necessary for obtaining the effect expected by the administration of such a strain or of such a composition.
- the composition of the invention comprises at least 10 6 , preferably at least 10 7 , and at most 5 ⁇ 10 10 bacteria belonging to the genus Propionibacterium per ml.
- the wild strain P. freudenreichii CIRM-BIA 129 (WT) and the mutant strain P. freudenreichii CIRM-BIA 129AslpB (CBl29AslpB) (do Carmo et al., 2017) were cultivated at 30 ° C. in a YEL culture medium comprising yeast extract and lactate.
- the mutant CBl29AslpB strain the YEL culture medium is supplemented with chloramphenicol (10 pg.mL-1). The growth of P.
- freudenreichii strains is then monitored using a spectrophotometer, following the optical density of the cultures at 650 nm (OD650nm) and also by determining the number of units capable of forming colonies (CLUs) by culturing a given volume. of seeded YEL medium.
- HT-29 cells were cultured in a T-25 flask until confluence (10 6 cells / ml). The culture medium was then renewed with a culture medium without antibiotic and the cells (a million cells per well) were or were not co-incubated for 7 h with a medium comprising or not lipopolysaccharide (LPS) at 100 ng / ml and in presence or absence of bacteria (10 million bacteria per well) of the wild strain WT or of the mutant strain CBl29AslpB (YEL medium alone was used as a control).
- LPS lipopolysaccharide
- RNAs were then isolated using the reagent TRIZOL (INVITROGEN AMBION) according to the manufacturer's recommendations.
- the complementary DNAs were then synthesized using the QSCRIPT CDNA SYNTHESIS kit (QUANTA BIOSCIENCES), again following the manufacturer's instructions.
- the determination of the expression of different cellular genes was then carried out by real-time PCR, using gene-specific probes, on a CLX96 system (BIO-RAD) and the quantification of the mRNA level of the targeted genes was carried out using the CFX ManagerTM software. For information, the levels of expression of RNA were normalized compared to the level of expression of GAPDH and actin.
- mice used female BALB / c mice with an age between 6 and 8 weeks, which were maintained in a temperature-controlled atmosphere and with normal access to water and food.
- mice had continuous access for 10 days to food comprising either YEL culture medium or a culture of propionibacteria on the same YEL culture medium, containing either 10 9 CFU / ml of bacteria from the wild strain P. freudenreichii, or of the mutant strain P. freudenreichii CBl29AslpB.
- the mice then received a single intraperitoneal injection of 5-FU (300 mg / kg) on day 11 before being finally euthanized on day 14.
- 5-FU 300 mg / kg
- mice received an injection of saline solution (NaCl 0.9%).
- T cell subpopulations in the spleen of mice is measured by flow cytometry. 10 6 cells are isolated from the mouse spleen and resuspended in a PBS solution comprising 0.2% BSA and 0.1% NaN 3 pH 7.4. To label cell surface antigens, cells are incubated with CD4 monoclonal antibodies (GK 1.5 APC EBIOSCIENCE) for 30 minutes at 4 ° C.
- the cells are then fixed and permeabilized using the FIXATION / PERMEABILIZATION WORKING SOLUTION (EBIOSCIENCE) for 1 hour before incubation with ALEXA FLUOR 488 RAT ANTI-MOUSE FOXP3 (BD PHARMINGEN) or PE MOUSE ANTI-MOUSE RORyT (BD PHARMINGEN) antibodies. ) for 30 minutes at 4 ° C. After washing, the cells are sorted using a FACS CALIBUR cytometer (BECTON DICKINSON). The T cells are first isolated on the basis of the CD4-positive labeling, then the RORyT-positive and FOXP3-positive cells are selected and counted.
- EBIOSCIENCE FIXATION / PERMEABILIZATION WORKING SOLUTION
- ALEXA FLUOR 488 RAT ANTI-MOUSE FOXP3 BD PHARMINGEN
- PE MOUSE ANTI-MOUSE RORyT BD PHARMINGEN
- the RORyT-positive and FOXP3-positive T cells are involved in chronic inflammatory bowel disease such as ulcerative colitis or Crohn's disease. It is possible that after consumption of P. freudenreichii AslpB, naive T cells begin to express RORyT and induce a pro-inflammatory response via the Thl7 / IL-l7A pathway. Interleukin 17A can modulate activation and recruitment of neutrophils in the ileum. Furthermore, the mutant strain P. freudenheimii AslpB induces an increase in the CD4 + Foxp3 + regulatory T cell subpopulation.
- CD4 + regulatory T cells are very abundant in the intestinal mucosa, and their proliferation appears to be part of a mechanism to control inflammation mediated by Th17 effector cells.
- Propionibacterium freudenreichii AslpB induces the production of pro-inflammatory Thl7 cells in the spleen of mice, unlike the strain Propionibacterium freudenreichii WT.
- cytokine uptake was revealed with biotinylated monoclonal antibodies directed against these specific cytokines according to the manufacturer's instructions.
- freudenreichii prevents the induction of the expression of the pro-inflammatory cytokines IL-12 and IL-1 b, in the mice affected by mucositis, compared to the control (YEL medium), as shown Figures 3B and 3C.
- FIG. 3D shows that a treatment comprising the wild strain P. freudenreichii WT significantly increases the IL-10 / IL-12 ratio in mice with mucositis, unlike a treatment comprising the mutant strain P. freudenreichii AslpB, which is characteristic of a decrease in inflammation.
- RNALATER AMBION
- DNase I DNase I
- a histological inflammation score is determined based on the measurement of the three major histological changes induced by mucositis: (i) intensity of infiltration of mononuclear and polynuclear cells into the lamina propria, (ii) presence of ulcers and erosion, and (iii) alteration of the structure of the mucosa.
- a score is assigned according to the severity of tissue damage: (0) no damage; (1) weak; (2) average; (3) severe.
- a morphometric analysis is also carried out on the basis of the analysis of ten images of the ileum of each mouse.
- the granular density of Paneth cells is determined by evaluation of the intracellular volume occupied by the secretory granules.
- the size of the villi and the depth of the crypts is measured from the tip of the villus to the base of the adjacent crypt, which allows the calculation of a ratio of villus size / depth of the crypts.
- results show, in the control group, clear changes in the morphological structure of the ileum with an increase / thickening of the submucosal layer and of the muscular layer, an increase in the number of inflammatory cells. and decreased / shortened villi, thinner epithelium, and increased number of mononuclear or polynuclear inflammatory cells infiltrated into the lamina propria (Ligure 5).
- Consumption of the wild strain P. freudenheimii reduces both the infiltration of inflammatory cells and damage to the intestinal mucosa (in particular by partially preventing the decrease in villi), which induces a lower histological score than the negative controls, which the mutant strain P. freudenheimii CB 129AslpB does not do.
- Intestinal permeability is measured 72 h after induction of mucositis at 5 FU.
- the effect of a probiotic intake on the weight loss caused by mucositis following the administration of 5-FU in mice is studied.
- the weight of the mice is measured before and after the injection of 5-FU.
- the results demonstrate the possible use of a bacterial strain belonging to the genus Propionibacterium for the treatment or prevention of mucositis in a human subject.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
- Genetics & Genomics (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Biotechnology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Virology (AREA)
- Biomedical Technology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1870991A FR3085387B1 (fr) | 2018-09-05 | 2018-09-05 | Nouveau traitement de la mucite |
| PCT/EP2019/073626 WO2020049067A1 (fr) | 2018-09-05 | 2019-09-04 | Nouveau traitement de la mucite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3847238A1 true EP3847238A1 (fr) | 2021-07-14 |
Family
ID=67107477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19765152.4A Withdrawn EP3847238A1 (fr) | 2018-09-05 | 2019-09-04 | Nouveau traitement de la mucite |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20210205376A1 (fr) |
| EP (1) | EP3847238A1 (fr) |
| BR (1) | BR112021004285A2 (fr) |
| FR (1) | FR3085387B1 (fr) |
| WO (1) | WO2020049067A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2960001A1 (fr) * | 2010-05-12 | 2011-11-18 | Univ Rennes | Vecteur recombinant pour la production et la secretion de sequences d'acides amines d'interet par les bacteries propioniques et ses applications |
| EP2829274A1 (fr) * | 2013-07-25 | 2015-01-28 | Institut National De La Recherche Agronomique | Vecteurs de production et de sécrétion de substance d'intérêt par des bactéries et leurs applications |
| EP3117822A1 (fr) * | 2015-07-17 | 2017-01-18 | AB-Biotics, S.A. | Composition pour soins buccaux auto-filmogène |
-
2018
- 2018-09-05 FR FR1870991A patent/FR3085387B1/fr not_active Expired - Fee Related
-
2019
- 2019-09-04 US US17/273,580 patent/US20210205376A1/en not_active Abandoned
- 2019-09-04 EP EP19765152.4A patent/EP3847238A1/fr not_active Withdrawn
- 2019-09-04 BR BR112021004285-7A patent/BR112021004285A2/pt unknown
- 2019-09-04 WO PCT/EP2019/073626 patent/WO2020049067A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3085387A1 (fr) | 2020-03-06 |
| US20210205376A1 (en) | 2021-07-08 |
| BR112021004285A2 (pt) | 2021-08-03 |
| FR3085387B1 (fr) | 2021-01-29 |
| WO2020049067A1 (fr) | 2020-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Lactobacillus casei LH23 modulates the immune response and ameliorates DSS-induced colitis via suppressing JNK/p-38 signal pathways and enhancing histone H3K9 acetylation | |
| JP5693232B2 (ja) | グルテン摂取に関連する障害を有する個々の患者の健康向上のための微生物 | |
| EP2870234B1 (fr) | Nouvelle souche de lactobacillus crispatus | |
| JP6492151B2 (ja) | 制御性t細胞の増殖または集積を誘導するヒト由来細菌 | |
| EP2475764B1 (fr) | Matériau probiotique | |
| JP7414328B2 (ja) | ラクトバチルスアシドフィルスkbl409菌株およびその用途 | |
| KR100913405B1 (ko) | Th2-매개 면역 질환의 예방 또는 치료용 조성물 | |
| CN112204129A (zh) | 植物乳杆菌kbl396菌株及其用途 | |
| Cereda et al. | Probiotics and mucositis | |
| JP2016511272A (ja) | 炎症を抑制するためのフィーカリバクテリウム・パラウスニッチィーhtf−f(dsm26943)の使用 | |
| TW201305333A (zh) | 雙歧桿菌cect7765及彼於預防及/或治療過重、肥胖症及相關病徵之用途 | |
| CN101646444B (zh) | 功能性胃肠病预防和/或治疗剂 | |
| JP2020516699A (ja) | 腫瘍化学療法腸管毒性を予防するための微生物剤 | |
| TW201532609A (zh) | 乳酸菌、其組合物與彼等於治療自體免疫疾病暨其倂發症之用途 | |
| KR100913406B1 (ko) | Th1-매개 면역 질환의 예방 또는 치료용 조성물 | |
| EP3021858B1 (fr) | Souche cu1 pour traitement et/ou prevention d'un rhumatisme inflammatoire chronique | |
| CN103458904B (zh) | 格氏乳杆菌的菌体级分在制造用于减轻迟发型变态反应的组合物中的用途 | |
| CN111479927A (zh) | 丝氨酸蛋白酶抑制剂生产 | |
| JP5526320B2 (ja) | 腸管保護剤 | |
| EP3847238A1 (fr) | Nouveau traitement de la mucite | |
| US20250325607A1 (en) | Composition for preventing, treating, or improving metabolic diseases comprising lactobacillus plantarum nchbl-004 strain or culture medium thereof | |
| WO2019129807A1 (fr) | Production de serpine | |
| CA3012894A1 (fr) | Souche bacterienne comme agents de prevention et/ou de traitement de pathologies respiratoires | |
| FR3099054A1 (fr) | Souche de Christensenella pour son utilisation dans le traitement et la prévention d’une inflammation gastro-intestinale | |
| TW201336989A (zh) | 雙歧桿菌cect7765及彼於預防及/或治療過重、肥胖症及相關病徵之用途 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20210316 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20240403 |