US20040265427A1 - Novel non-antibiotic strategy against ogip infections based on an activated cereal product or ferric quinate - Google Patents

Novel non-antibiotic strategy against ogip infections based on an activated cereal product or ferric quinate Download PDF

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US20040265427A1
US20040265427A1 US10/493,220 US49322004A US2004265427A1 US 20040265427 A1 US20040265427 A1 US 20040265427A1 US 49322004 A US49322004 A US 49322004A US 2004265427 A1 US2004265427 A1 US 2004265427A1
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Thomas Boren
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    • 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
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/104—Fermentation of farinaceous cereal or cereal material; Addition of enzymes or microorganisms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/12—Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/30—Oligoelements
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/40—Feeding-stuffs specially adapted for particular animals for carnivorous animals, e.g. cats or dogs
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
    • A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
    • 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
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/52—Adding ingredients
    • 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
    • A23L33/16—Inorganic salts, minerals or trace elements
    • 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
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/115—Cereal fibre products, e.g. bran, husk
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/12—Ketones
    • A61K31/122—Ketones having the oxygen directly attached to a ring, e.g. quinones, vitamin K1, anthralin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K33/24—Heavy metals; Compounds thereof
    • A61K33/26—Iron; Compounds thereof
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    • 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
    • A61K35/744—Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
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    • A61K35/66—Microorganisms or materials therefrom
    • A61K35/74—Bacteria
    • A61K35/741—Probiotics
    • A61K35/744—Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
    • A61K35/747—Lactobacilli, e.g. L. acidophilus or L. brevis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18—Magnoliophyta (angiosperms)
    • A61K36/88—Liliopsida (monocotyledons)
    • A61K36/899—Poaceae or Gramineae (Grass family), e.g. bamboo, corn or sugar cane
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • 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, e.g. protozoa; 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
    • C12N1/205—Bacterial isolates
    • 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
    • A23V2400/00—Lactic or propionic acid bacteria
    • A23V2400/11—Lactobacillus
    • A23V2400/133—Curvatus
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/225—Lactobacillus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

Definitions

  • the present invention refers to a novel preventive and therapeutic strategy for combating disorders caused by pathogenic microorganisms in the human and animal oro-gastro-intestinal tract. It is a treatment against mucosal infectious pathogens in humans, e.g. Helicobacter pylori, Streptococcus mutans and Candida albicans , based on an activated cereal product. It is also a treatment against microbial enteric pathogens, such as Escherichia coli and Clostridium perfringens , in the gastro-intestinal tract of domestic animals such as in cattle, pig and chicken and, in addition, in pet animals such as dogs and cats. In addition, the invention also comprises the fermentation process producing this active product. The invention further refers to the functional food area, as the activated cereal product is presented to the patient as a palatable food or beverage product. Furthermore, the invention refers to supplemental growth promoting active feeding-stuff supplement for animals such as pigs and chickens.
  • H. pylori a human specific gastric pathogen, colonizes the human gastric mucosa and the consequence is a higher prevalence of gastric diseases, such as chronic active gastritis and peptic ulcer disease.
  • gastric diseases such as chronic active gastritis and peptic ulcer disease.
  • H. pylori has adapted to the hostile and acidic environment of the human stomach. Peristalsis and the high turnover rate of mucus and epithelial cells pose serious obstacles for microbes that strive to retain a niche in the gastric epithelial lining.
  • H. pylori can establish a protected niche for survival and long-term colonization of the gastric mucosa.
  • the bacteria can persist for the lifetime of the host.
  • Chronic infection has been correlated to the development of gastric adenocarcinoma, one of the most common forms of cancer in humans (reviewed in Cover et al, 2001).
  • most infected individuals show no clinical symptoms, implying the influence of additional factors in the pathogenesis of the disease such as diet, genetic predisposition, age of acquisition of the infection, and the genotype of the infecting strain.
  • H. pylori colonizes the human gastric mucosa by adherence both to the mucous epithelial cells and to the mucus layer lining the gastric epithelium.
  • H. pylori demonstrates various adhesion properties for adherence to the mucus layer and the epithelial cell glycoproteins and glycolipids. The microbial affinity for specific receptor structures, in combination with unique tissue-specific distribution of receptors, will restrict the colonization to the gastric/duodenal mucosa.
  • Lewis b antigen binding property was found prevalent among the virulent strains that carry the cagPathogenicity Island and the vacuolating cytotoxin, i.e. the triple-positive strains. It is therefore proposed that Lewis b antigen mediated adherence of H. pylori play a critical role for development of severe gastric disease (Gerhard, et al., 1999).
  • the object of the invention is to provide a non-antibiotic therapeutic alternative against H. pylori infection in the human gastro-duodenal-tract and, in addition, a non-antibiotic therapeutic alternative against oro-gastro-intestinal-disease in both humans and in animals.
  • the object of the invention is attained by using activated product/products from a fermented cereal product, and a purified compound, Ferric Quinate (Fe—QA) which, as a natural component of the bio-mass, is solubilized during the fermentation process.
  • the effect of the active product is an inhibition of H. pylori adherence and colonization in the human gastro-intestinal tract. This effect could protect against H.
  • the preferred embodiment is an activated rye-bran product (i-BranTM) from the supernatant of a cell culture of Lactobacillus curvatus -fermented rye-bran.
  • the rye-bran product is presented to the patient in the form of a palatable beverage or food product.
  • the product is used for preventive or therapeutic treatment of domestic cattle, pig and chicken and pet animals, and is then presented in the form of liquid feed or supplemental feeding-stuff.
  • FIG. 1A shows an inhibition assay with strain H. pylori CCUG17875, pre-treated with fermented rye-bran for 1 hour and then analyzed for binding to 125I-labeled Lewis b conjugate.
  • the rye-bran products used for the bacterial binding experiments are given in the figure and the bars give the corresponding bacterial binding.
  • FIG. 1B shows an inhibition assay with strain H. pylori CCUG17875, pre-treated with 2 mM ferric quinic acid (Fe-QA) for 1 hour and then analyzed for binding to 125 I-labeled Lewis b conjugate. Pre-treatment with 2 mM (non-ferric) quinic acid (QA) is also shown. Both experiments are shown together with their corresponding non-treated control (Control I and II, respectively)
  • FIG. 2 shows an inhibition assay where strain H. pylori CCUG17875 was first incubated with the 125I-labeled Lewis b conjugate for 2 hours to allow for full binding. The H. pylori cells were then incubated with rye-bran products for an additional 2 hours to analyze for detachment of bacterial binding. The reduction of the binding of a non- L. curvatus -fermented rye-bran product is also shown. The bars: I: rye-bran, II: rye-bran fermented by L. curvatus.
  • FIG. 3A shows in vitro adherence analysis of H. pylori binding to histo-sections of human gastric mucosa, and the effect of bacterial pre-treatment with fermented rye-bran and 2 mM ferric quinic acid.
  • FIG. 3B shows the quantification of remaining H. pylori attached to the histo-sections of human gastric mucosa.
  • Pretreatment of strain CCUG 17875 with soluble Lewis b antigen, with L. curvatus fermented rye bran and with ferric quinate is shown.
  • bacterial binding to 10 different gastric surface epithelium regions were estimated (value p ⁇ 0,001 (***), value p ⁇ 0,01 (**), value p ⁇ 0,05 (*)).
  • FIG. 4 shows inhibition of H. pylori binding to the Lewis b antigen by pretreatment with heat-treated fermented rye bran (analyzed by RIA).
  • the fermented rye-bran was boiled 100° C. for 3 hours.
  • the volume of heat-treated product was then adjusted for the subsequent analyzes of inhibition activity.
  • the reduction of H. pylori CCUG17875 binding was measured as described in FIG. 1.
  • FIG. 5 shows inhibition of H. pylori binding to the Lewis b antigen by pretreatment with various fermented cereals (analyzed by RIA). Several cereals (seeds and seed fractions) were studied for inhibition of H. pylori binding.
  • FIGS. 6 A-F show results of treatment of human volunteers with drinkable fermented rye bran product.
  • One patient and 5 volunteers with H. pylori infections were given the L. curvatus -fermented rye-bran product, iBranTM, three times daily (see “Description of preferred embodiment”).
  • the level of H. pylori infection was analyzed by 13C-urea breath test. Samples were collected during and after the entire treatment period, as indicated in the figure.
  • FIG. 7A shows adhesion of C. albicans (strain GDH18) mediated by parotid-saliva to buccal epithelial cells and influenced of various fermented cereals.
  • Human buccal epithelial cells were first treated with parotid saliva (diluted 1:1 with PBS buffer), and then 35S-labeled Candida albicans cells were added.
  • FIG. 7B shows adhesion of Streptococcus mutans to saliva-treated hydroxy-apatite and the reduction in binding conferred by the rye bran product.
  • FIG. 8 shows comparison of clinical symptoms between mice exposed to DSS or a mixture of DSS and the fermented rye product. Both groups loose weight at a similar rate (A and B). The mortality of the mice in both groups is similar and divergence of the curves is due to the relatively small number of mice analyzed (C). Both groups show gross bleeding as a sign of epithelial damage (D) but the mice exposed to the fermented rye product clearly display less intestinal symptoms such as loose stools and diarrhea (E and F).
  • FIG. 9 shows comparison of histology of an untreated control (A), a mouse exposed to a mixture of DSS and the fermented rye product (B) and a mouse exposed to only DSS(C).
  • Epithelial damage can be observed in both groups of mice exposed to DSS (B and C), but the inflammation is more severe in the mice exposed to DSS only (C) when compared to the mice exposed to a mixture of DSS and the fermented rye product (B).
  • the present invention is based on the surprising discovery that the colonization of Helicobacter pylori ( H. pylori ) in the human gastro-intestinal channel and other oro-gastro-intestinal pathogens (OGIP) in humans and animals are inhibited by certain fermentation products derived from a cereal upon fermentation of the same.
  • H. pylori Helicobacter pylori
  • OGIP oro-gastro-intestinal pathogens
  • the invention relates to a cereals fermenting microorganism having the ability to provide, upon fermentation of the cereal, activated products derived from the cereal and being competetive inhibitors of the adherence and colonization of OGIP in humans and animals, particularly H. pylori in humans.
  • a Lactobacillus bacterial strain and in particular a Lactobacillus curvatus ( L. curvatus ) strain.
  • L. curvatus Lactobacillus curvatus
  • use is made of the L. curvatus strain Lb14 which has been deposited, under the terms of the Budapest Treaty, at Deutsche Sammlung von Mikroorganismen and Zelikulturen GmbH (DSMZ) on Dec. 7, 2000 and having received the accession number DSMZ 13890.
  • the Lb14 strain used forms small white colonies on “Rogosa SL Agar BBL” plates which is typical for Lactobacillus strains. This strain was originally isolated from human urine and identified as Lactobacillus curvatus by use of the “API-50 CHL” test.
  • OGIP infections other than infections by H. pylori to be treated are infections by Candida albicans and dental pathogens, such as Streptococcus mutans , in humans and Escherichia coli and Clostridium perfringens in domestic animals, e.g. cattle, pig and poultry, and pets, e.g. dogs and cats.
  • the fermented cereal product of the invention also has the ability to block the adhesion of the “dental caries” bacterium Streptococcus mutans to saliva-covered hydroxyl apatite (HA), i.e. the material of the tooth surfaces.
  • HA saliva-covered hydroxyl apatite
  • the present invention relates to a fermented cereal product being obtained by fermentation of a cereal with a microorganism of the invention and being a competetive inhibitor of the colonization of OGIP in humans and animals.
  • the preferred embodiment of this aspect is an active rye bran product (iBranTM) being the supernatant from the fermentation broth obtained when fermenting rye bran by L. curvatus Lb14 (DSMZ 13890). It has been found to act as an inhibitor of H. pylori colonization in the human gastrointestinal channel.
  • a component/components in the active rye bran product (iBranTM) prevents the adhesion of H. pylori to the gastric mucosa and epithelial lining by inhibiting the binding between BabA (blood group antigen binding adhesion) on the surface of H. pylori and the fucosylated Lewis b antigen on the gastric epithelial surface.
  • the present invention relates to the use of a fermented cereal product of the invention for the preparation of a functional food product having the property, upon consumption of the same, of competetively inhibiting the colonization of OGIP in humans and animals, particularly H. pylori in the human gastro-intestinal channel.
  • the preferred embodiment of this third aspect is the use of the supernatant of the fermentation broth obtained by fermentation of rye bran by the L. curvatus strain Lb14 (DSMZ 13890).
  • a fourth aspect of the present invention relates to a functional food product being useful for treatment of humans and animals suffering from OGIP infections and particularly humans suffering from H. pylori infections and associated gastric disease.
  • the preferred embodiment of this fourth aspect is a functional food product comprising the supernatant of the fermentation broth obtained by fermentation of rye bran by the L. curvatus strain Lb14 (DSMZ 13890).
  • the fermented rye bran product preferably the supernatant of its fermentation broth, is mixed with other ingredients to form a palatable food product, e.g. a beverage, bread or muesli.
  • a preferred embodiment is to add 10% lingonberry juice and 10% glucose to form a tasty beverage.
  • Ninety liter of the supernatant obtained from the fermented rye was mixed with 10 kg glucose (Sigma, St. Louis, Mo., USA), and 10 liter of lingonberry juice (from 17 kg cool pressed berries).
  • the treatment dosage is 10-500 mL product, preferable 100 mL, taken 1-5 times a day, preferable three times daily, which corresponds to 10-2.500 mL fermented rye-bran per day, preferable 300 mL.
  • a fifth aspect of the present invention relates to a method of preparing a fermented cereal product by subjecting, under conditions suitable for providing fermentation products from the cereal being competetive inhibitors of the colonization of OGIP in humans and animals, particularly H. pylori in the human gastro-intestinal channel, the cereal to fermentation by a microorganism of the invention and collecting the product from the fermentation broth.
  • the active substance or substances of the fermented cereal product may be concentrated or isolated by the use of different methods, such as selective extraction, precipitation, ultrafiltration, enzymatic treatment or chromatography.
  • the preferred embodiment of the method comprises subjecting rye bran to fermentation by the L. curvatus strain Lb14 (DSMZ 13890).
  • the bacterial cells and rye bran are incubated at 37° C. for about 24 hours.
  • a further aspect of the present invention relates to pharmaceutical products based on purified extracts, or fraction of extracts, and/or ferric quinate, with the Helicobacter pylori -Lewis b antigen binding inhibitory (blocking) activity as a marker for the activated inhibitor of the invention, for treatment of humans suffering from oro-gastro-intestinal pathogens infections in humans and domestic animals, such as for treatment of Helicobacter pylori, Candida albicans och Streptococcus mutans infections in humans and for treatment of Escherichia coli and Clostridium perfringens infections in domestic cattle, pig and poultry.
  • the Helicobacter pylori -Lewis b antigen binding inhibitory (blocking) activity as a marker for the activated inhibitor of the invention, for treatment of humans suffering from oro-gastro-intestinal pathogens infections in humans and domestic animals, such as for treatment of Helicobacter pylori, Candida albicans och Streptoc
  • a particular embodiment relates to a pharmaceutical product in the form of a mouth rinse for treatment of dental caries, periodontal disease and oral malodor/halitosis.
  • a further particular embodiment relates to treatment of human intestinal inflammation, such as ulcerative colitis and Crohn's disease, with a fermented rye bran product.
  • This section describes the process for fermentation of rye-bran, the preferred activated cereal product and characterization of the activated cereal product effect, preferably the rye-bran effect on Helicobacter pylori adhesion and Candida albicans adhesion.
  • Lactobacillus curvatus ( L. curvatus ) Lb 14 was grown in MRS broth (Difco) at 37° C. with gentle shaking for 24 hours.
  • Strain CCUG17875 (cag+, vacuolating toxin+) was obtained from the Culture Collection University of Göteborg (CCUG), Sweden. Bacteria was cultured from frozen stock onto the media containing “ Brucella ” agar (Difco, U.S.) supplemented with 10% bovine blood, “IsoVitox Enrichment” (Svenska LabFab, Sweden) at 37° C. under micro-aerophilic condition for 2 days. Bacterial cells were harvested and washed in PBS 2 times. Then the cells were re-suspended to a density of 1 ⁇ 10 8 CFU/mL in PBS for analyzes of the biological effects of the activated rye-bran product.
  • the Lewis b blood group antigen used was semi-synthetic glycoprotein constructed by covalent binding of purified Lewis b oligosaccharide to human serum albumin (IsoSep AB, Tullinge, Sweden).
  • the RIA assay was performed according to Ilver et al., 1998;
  • the Lewis b conjugate was 125I-labeled by the “Choramine T” method as used in Ilver et al., 1998.
  • H. pylori The inhibitory potential of fermented rye-bran product on adherence of H. pylori was analyzed by RIA assay using radiolabeled Lewis b antigen.
  • H. pylori (as described above) was pre-incubated with 1 mL L. curvatus -fermented rye-bran products which resulted in >90% inhibition of binding to the Lewis b antigen (FIG. 1A).
  • the non- L. curvatus -fermented rye bran product provides merely 31% reduction in binding of H. pylori .
  • the results also showed that the activated compound with an inhibitory effect on bacterial binding is released due to the fermentation process.
  • H. pylori was pre-incubated with Lewis b conjugate (101 g/mL), and fermented rye-bran (1 mL) for 1 hour at room temperature. Then, as described above, the H. pylori bacterial cells were applied to the histo-sections. Pretreatment of strain H. pylori CCUG17875 with the L. curvatus -fermented rye-bran product prevented adherence (>75% reduction) to the human gastric mucosa, in situ. Thus, a reverse correlation between H. pylori pre-incubated with L. curvatus -fermented rye-bran product and untreated H. pylori attached to the gastric cells was demonstrated (FIGS. 3A and 3B).
  • Reduction in bacterial binding was estimated by counting the number of specifically adhered bacteria to the gastric pit region under 200 ⁇ magnification. Each value is the mean+/ ⁇ SEM of 10 different fields. In the control experiments, bacteria were not preincubated with neither Lewis b conjugate, nor fermented rye-bran, and that was defined as 100% binding reference. Student's t-test was used to assess the significance of differences between means in non-inhibited binding and inhibition analyses.
  • thermo stabile properties of the anti-adhesive compounds of the fermented rye-bran product and in addition to inactivate putative enzyme activities and/or thermo-labile structures released during fermentation by L. curvatus , the product was boiled (at 100° C.) for 3 hours or autoclaved for 20 min, at 120° C.
  • RIA analyzes showed that the fermented rye-bran product, with or without various heat treatments, inhibits H. pylori binding to the Lewis b antigen (FIG. 4).
  • Dextran sulphate sodium (DSS) induced colitis is an experimental model of colonic inflammation in which the chemically caused epithelial damage to the colonic mucosa leads to a subsequent inflammatory reaction highly reminiscient of human colitis ulcerosa (Cooper et al. 1993).
  • DSS Dextran sulphate sodium
  • a fermented rye product can protect against colitis we have induced inflammation in mice by exposure to only DSS or to a mixture of DSS and said fermented rye product.
  • 3.5% (wt/vol) DSS was chosen as previous data from other laboratories (Okayasu et al. 1990, Cooper et al. 1993, Mahler et al. 1998) and our pilot study indicated that this concentration would lead to the development of acute colitis within 4-5 days of exposure enabling a good monitoring of the clinical symptoms.
  • mice Two groups of sex- and age matched mice, each group containing eight mice, where exposed to either 3.5% (wt/vol) DSS or a mixture of 3.5% (wt/vol) DSS and the fermented rye product in their drinking water ad libitum. All mice were monitored daily for the following clinical parameters, weight consistency of stools and rectal bleeding. The end-point of the analysis was day 10 or death earlier during the analysis period. The length of colon and small intestine was measured and tissue samples from proximal and distal small intestine, distal colon and spleen were collected for histology.
  • fermented rye product of the invention can attenuate the colitis in mice exposed to DSS.
  • the implication may be that treatment with fermented rye bran also reduces inflammation in humans with intestinal inflammation such as ulcerative colitis, Crohn's disease.
  • An activated product from a fermented cereal preferably rye-bran fermented using Lactobacillus curvatus, demonstrates properties as an inhibitor of H. pylori adherence to the gastric epithelial mucosa.
  • this novel anti-microbial strategy could possibly protect against oro-gastro-intestinal pathogens (OGIP), e.g. Helicobacter pylori, Streptococcus mutans and Candida albicans in humans, and oro-gastro-intestinal pathogens e.g., Escherichia coli and Clostridium perfringens , in domestic animals, such as cattle, pig and poultry, and pet animals, such as dogs and cats.
  • the invention refers to the stabilizing activity of the microbial flora as a supplemental growth promoting active feeding-stuff agent for animals such as pigs and chickens.

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US7271251B2 (en) * 1996-06-10 2007-09-18 Thomas Boren Helicobacter pylori adhesin binding group antigen
US20150025026A1 (en) * 2012-02-16 2015-01-22 Akeso Biomedical, Inc. Reduction of gastrointestinal tract colonisation by campylobacter
US9975914B2 (en) 2015-08-11 2018-05-22 Akeso Biomedical, Inc. Antimicrobial preparation and uses thereof
US10264766B2 (en) 2014-08-13 2019-04-23 Akeso Biomedical, Inc. Antimicrobial compounds and compositions, and uses thereof
US10653658B2 (en) 2015-08-11 2020-05-19 Akeso Biomedical, Inc. Biofilm inhibiting compositions enhancing weight gain in livestock

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JP4618033B2 (ja) * 2005-07-21 2011-01-26 不二製油株式会社 γ−アミノ酪酸豊富な食品の製造法及びγ−アミノ酪酸産生菌ラクトバシルス・カルバタスＫＭ１４株
CN100382798C (zh) * 2006-01-20 2008-04-23 深圳市生物谷科技有限公司 一种含有咖啡酰奎宁酸的药物组合物
JP5053667B2 (ja) * 2006-12-28 2012-10-17 日清ファルマ株式会社 新規乳酸菌および脂肪細胞分化促進用乳酸菌発酵産物
JP5525716B2 (ja) * 2008-11-04 2014-06-18 オリザ油化株式会社 色素沈着抑制剤
JP5300772B2 (ja) * 2010-03-26 2013-09-25 森永乳業株式会社 新規乳酸菌、並びに新規乳酸菌を含有する医薬、飲食品、及び飼料

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