Transcriptomics of the traditional Japanese medicine juzentaihoto (JTX) on germfree mice
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ABSTRACT:
ORGANISM(S): Mus musculus
SUBMITTER: Masahiro Yamamoto
PROVIDER: E-GEOD-32085 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:Juzehtaihoto, a Japanese traditional medicine has been used for the treatment of various kinds of disease or disorders in an enteric-flora dependent manner. Here, we performed transcriptome analysis using Affymetrix GeneChip on small intestine (SI) of germ-free (GF) and specific pathogen free (SPF) mice of IQI, an inbred strain established from ICR. Male germ-free (GF) and specific pathogen-free (SPF) IQI mice were bred and maintained in the laboratory of Central Institute for Experimental Animals (CIEA, Kawasaki, Kanagwa, Japan). GF mice were housed in a Trexler-type flexible film isolator in a standard germ free state and screened on a weekly basis for germ-free status by sampling feces sterilely and culturing on MRS-agar plates under aerobic and anaerobic conditions. All the GF, SPF, ex-GF mice were kept in a 12: 12-h light/dark cycle and at a temperature of 22±2°C. Nine week old mice (n=3) were sacrificed by cervical dislocation and the intestines were dissected. comparison of the mice with or without enteric flora
2011-09-13 | E-GEOD-32084 | biostudies-arrayexpress
Project description:Juzehtaihoto, a Japanese traditional medicine has been used for the treatment of various kinds of diseases or disorders in an enteric-flora dependent manner. Here, we performed transcriptome analysis using Affymetrix GeneChip on large intestine (LI) of germ-free (GF) and specific pathogen free (SPF) mice of IQI, an inbred strain established from ICR, and BALB/c SPF mice. Male germ-free (GF) and specific pathogen-free (SPF) mice of IQI and BALB/c strains were bred and maintained in the laboratory of Central Institute for Experimental Animals (CIEA, Kawasaki, Kanagwa, Japan). GF mice were housed in a Trexler-type flexible film isolator in a standard germ free state and screened on a weekly basis for germ-free status by sampling feces sterilely and culturing on MRS-agar plates under aerobic and anaerobic conditions. All the GF, SPF, ex-GF mice were kept in a 12: 12-h light/dark cycle and at a temperature of 22±2°C. Nine week old mice (n=3) were sacrificed by cervical dislocation and the intestines were dissected. comparison of the mice with or without enteric flora; comparison of the mice of different strains
2011-09-13 | E-GEOD-32083 | biostudies-arrayexpress
Project description:Although microbiota plays a critical role for the normal development and function of host immune systems, the detail of the influence, especially on those in the large intestine (LI), remains unknown. Here, we performed transcriptome analysis using Affymetrix GeneChip on LI of germ-free (GF) and specific pathogen free (SPF) mice of IQI, an inbred strain established from ICR. Experiment Overall Design: Male germ-free (GF) and specific pathogen-free (SPF) IQI/Jic mice were bred and maintained in the laboratory of Central Institute for Experimental Animals (CIEA, Kawasaki, Kanagwa, Japan). GF mice were housed in a Trexler-type flexible film isolator in a standard germ free state and screened on a weekly basis for germ-free status by sampling feces sterilely and culturing on MRS-agar plates under aerobic and anaerobic conditions. All the GF, SPF, ex-GF mice were kept in a 12: 12-h light/dark cycle and at a temperature of 22+-2 ºC. Nine week old mice (n=3) were sacrificed by cervical dislocation and the colon was dissected (the colon was not divided into proximal and distal sections and was treated as a single intestinal section). Experiment Overall Design: The SPF mice were provided by the Central Institute for Experimental Animals of Japan. These mice were determined free of the following pathogens (by various techniques including culture, microscopic observation, serological test, and PCR): Dermatophytes, Citrobacter rodentium, Pasteurella pneumotropica, Corynebacterium kutscheri, Pseudomonas aeruginosa, Salmonella spp., Staphylococcus aureus, Mycoplasma pulmonis, Corynebacterium kutscheri, Salmonella typhimurium, Clostridium piliforme, Mycoplasma pulmonis, Mouse hepatitis virus, Sendai virus, Ectromelia virus, Lymphocytic c. virus, Hantavirus, Giardia muris, Spironucleus muris, Syphacia spp., Aspiculuris tetraptera, Ectoparasits, Intestinalprotozoa, Pinworm, Pneumocystis carinii, Helicobacter hepaticus, Helicobacter bilis, EDIM virus(Rotavirus), Pneumonia virus of mice, Minute virus of mice, Mouse adenovirus, Mouse cytomegalovirus, Mouse encephalomyelitis virus, Reovirus type3, and CAR bacillus.
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Project description:Transcriptomics of the traditional Japanese medicine juzentaihoto (JTX) on small intestines on germfree mice
| PRJNA154929 | ENA
Project description:Transcriptomics of the traditional Japanese medicine juzentaihoto (JTX) on large intestines on germfree mice
| PRJNA154931 | ENA
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Project description:Alterations in the gastrointestinal microbiota have been implicated in obesity in mice and humans, but the conserved microbial functions that influence host energy metabolism and adiposity have not been determined. Here we show that bacterial bile salt hydrolase (BSH) controls a microbe-host dialogue which functionally regulates host lipid metabolism and weight gain. Expression of cloned BSH enzymes in the GI tract of gnotobiotic or conventional mice significantly altered plasma bile acid signatures and regulated transcription of key genes involved in lipid metabolism (PPARgamma angptl4), cholesterol metabolism (abcg5/8), gastrointestinal homeostasis (regIIIgamma) and circadian rhythm (dbp, per1/2) in the liver or small intestine. High-level expression of BSH in conventionally raised mice resulted in significant reduction of host weight-gain, plasma cholesterol and liver triglycerides. We demonstrate that bacterial BSH activity significantly impacts systemic metabolic processes and adiposity in the host, and represents a key mechanistic target for the control of obesity and hypercholesterolaemia. Germ free Swiss Webster mice were monocolonised with EC containing the bacterial gene, Bile salt hydroalse. The treatment groups and relevant controls were; 1. Germ Free(GF) n=4 , 2. GF and EC n=4, 3. GF and EC +BSH1 n=4, 4. GF and EC+ BSH2 n=4, 5. GF re-conventionalised (CONV-D) n= 5. The Ileum and Liver were removed and the RNA extracted (RNAeasy plus universal kit (Qiagen), quantified and Microarrays were carried out using mouse Exon ST1.0 arrays (Affymetrix) by Almac Group, Craigavon, Northern Ireland. Analysis and pathway mapping was carried out by ALMAC and using Subio Platform software (Subio Inc) and Genesis Software.
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