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Lipid metabolism and/or sugar metabolism improver containing lactic acid bacterium or treatment product thereof

a technology of lactic acid bacteria and lipid metabolism, which is applied in the direction of bacteria material medical ingredients, metabolic disorders, drug compositions, etc., can solve the problems of insufficient effect, adverse effects of ppars, and inability to activate ppars or other satisfactory effects

Inactive Publication Date: 2014-10-30
ASAHI BREWERIES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a means to improve lipid metabolism and sugar metabolism by using bacterial cells, such as Lactobacillus amylovorus and Lactobacillus gasseri, which have highly agonistic activity to both PPARα and PPARγ. These bacteria or their treated products can promote fat burning, increase HDL cholesterol production, and improve insulin resistance, which can prevent or improve metabolic syndrome. Additionally, the invention also provides a use of these bacteria or their treated products in the production of a composition to prevent or improve accumulation of subcutaneous fat and visceral fat.

Problems solved by technology

A fibrate preparation which is a PPARα ligand agent and a thiazolidin derivative which is a PPARγ ligand agent are known as pharmaceutical products for activating PPARs, but adverse effects thereof are concerned when taken for an extended period of time.
However, they did not activate PPARs or did not have satisfactory effects.
It is also reported that an organic solvent extract of a lactic acid bacterium activates PPAR (Patent Document 5) but this was only to show the activity of PPARα, and the effect thereof was not sufficient, either.

Method used

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  • Lipid metabolism and/or sugar metabolism improver containing lactic acid bacterium or treatment product thereof
  • Lipid metabolism and/or sugar metabolism improver containing lactic acid bacterium or treatment product thereof
  • Lipid metabolism and/or sugar metabolism improver containing lactic acid bacterium or treatment product thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

Production of Bacterial Cell Powder

[0111]The cell strain of each lactic acid bacterium was inoculated from frozen stocks onto plate medium, and then the pre-preincubation, preincubation and main incubation were carried out (5 ml→40 ml→2 L) using liquid medium. Table 1 shows the bacterial species, bacterial strains, medium and incubation temperatures used. Additionally, the inoculum concentration was 1% of each liquid medium weight and the incubation was carried out for 18 hours (see Table 2 for the medium used and incubation temperatures). After the incubation, the culture was centrifuged at 12000 g at 10° C. for 7 minutes, and the supernatant was removed. Ion exchange water was added, the culture was centrifuged in the same manner, and the freeze-dried bacterial cell was dispersed using a mill (TESCOM), thereby obtaining a bacterial cell powder.

TABLE 1BacterialCulturePlateLiquidBacterial species namestrain No.temperaturemediummediumEnterococcus faecalis137MRSMRSLactobacillus gallin...

example 2

PPARα Reporter Assay

[0114]Cultured cell CV-1 derived from the kidney of an African green monkey was prepared to a concentration of 5×104 cells / ml, suspended in DMEM medium containing 10% (v / v) FBS (SIGMA), and cultured at 37° C. for 24 hours under 5% CO2 in air (v / v) in a concentration of 500 μL / well using a flat 24-well plate (Corning). Twenty four hours later, 80 to 90% confluence was microscopically confirmed to have reached, and subsequently the transfection was carried out by the following procedure.

[0115]Plasmid pM-PPARα 0.16 which comprises a DNA fragment encoding a chimeric protein comprising PPARα ligand binding domain (derived from human) and GAL-4DNA binding domain (derived from yeast), and p4xUASg-tk-luc 0.16 μg, which is a luc (derived from sea-firefly) reporter gene plasmid designed to receive expression control by the above chimeric protein, and pRL-CMV 0.016 μg, which is a luc (derived from Renilla) expression plasmid having a viral expression promoter with a fixed e...

example 3

PPARγ Reporter Assay

[0122]Cultured cell CV-1 derived from the kidney of an African green monkey was prepared to a concentration of 5×104 cells / ml, suspended in DMEM medium containing 10% (v / v) FRS (SIGMA), and cultured at 37° C. for 24 hours under 5% CO2 in air (v / v) in a concentration of 500 μL / well using a flat 24-well plate (Corning). Twenty four hours later, 80 to 90% confluence was microscopically confirmed to have reached and subsequently the transfection was carried out by the following procedure.

[0123]Plasmid pM-PPARα 0.16 μg, which comprises a DNA fragment encoding a chimeric protein comprising PPARγ ligand binding domain (derived from human) and GAL-4DNA binding domain (derived from yeast), and p4xUASg-tk-luc 0.16 μg, which is a luc (derived from sea-firefly) reporter gene plasmid designed to receive expression control by the above chimeric protein, and pRL-CMV 0.016 μg, which is a luc (derived from Renilla) expression plasmid having a viral expression promoter with a fixe...

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PUM

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Abstract

This invention provides the use of a microorganism capable of improving both lipid metabolism and sugar metabolism. Specifically, the invention relates to: a lipid metabolism and / or sugar metabolism improver comprising, as an active ingredient, a bacterial cell selected from bacteria belonging to the genus Lactobacillus and the genus Bifidobacterium, a treated product of the bacterial cell, or a mixture thereof, having dual-agonistic activities to peroxisome proliferator activated receptor (PPAR)α and peroxisome proliferator activated receptor (PPAR)γ; to a food or a beverage comprising the improver; and to a pharmaceutical composition comprising the improver.

Description

TECHNICAL FIELD[0001]The present invention relates to a lipid metabolism and / or sugar metabolism improver comprising a bacterial cell of the genus Lactobacillus or the genus Bifidobacterium or a treated product thereof having a high ability to activate Peroxisome Proliferator Activated Receptors (PPARs) α and γ, which are deeply involved with metabolic syndrome. The present invention also relates to a functional food or a pharmaceutical composition comprising such a lipid metabolism and / or sugar metabolism improver for treating or preventing diseases or disorders associated with the lipid metabolism and sugar metabolism.BACKGROUND ART[0002]In recent years, more and more people have metabolic syndrome or are candidates thereof. Metabolic syndrome is defined as multiplex conditions of visceral fat type obesity in combination with hyperlipidemia, hyperglycemia, hypertension, and the like, and has a high risk of developing arteriosclerotic diseases. To improve the metabolic syndrome, PP...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61K35/74A23L2/52A23L1/30A61K35/745A61K35/747
CPCA61K35/745A61K35/747A23V2002/00A23L2/52A23L1/3014C12N1/20A23L33/135A61P3/00A61P3/04A61P3/06A61P3/08A61P43/00A61P9/10A61P3/10C12R2001/225C12N1/205A23V2400/115A23V2400/145A23V2200/326A23V2200/328A23V2200/332A61K35/74
Inventor NAKAMURA, FUTOSHIASHIDA, NOBUHISAISHIDA, YUFUJIWARA, SHIGERU
Owner ASAHI BREWERIES LTD
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