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Transcriptome analysis of garlic induced hepatoprotection against alcoholic fatty liver

ABSTRACT: Alcohol induced fatty liver cause a dangerous health problem and is the major cause of morbidity and mortality worldwide. Garlic (Allium sativum) is documented to possess anti-fatty liver properties. However the exact molecular mechanisms are unknown. The main aim of this experiment is to elucidate the underlying pathways through which garlic ameliorates alcohol induced fatty liver. Dially disulfide and garlic oil were the garlic compounds used in this study. Leiber DeCarli ethanol liquid diet was to induce fatty liver in C57BL/6 mice model. Also the expression impaired by alcohol induced fatty liver is another aim of this study.

ORGANISM(S): Mus musculus

PROVIDER: GSE40334 | GEO | 2012/10/01

SECONDARY ACCESSION(S): PRJNA173777

REPOSITORIES: GEO

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Transcriptome analysis of garlic induced hepatoprotection against alcoholic fatty liver

Project description:Alcohol induced fatty liver cause a dangerous health problem and is the major cause of morbidity and mortality worldwide. Garlic (Allium sativum) is documented to possess anti-fatty liver properties. However the exact molecular mechanisms are unknown. The main aim of this experiment is to elucidate the underlying pathways through which garlic ameliorates alcohol induced fatty liver. Dially disulfide and garlic oil were the garlic compounds used in this study. Leiber DeCarli ethanol liquid diet was to induce fatty liver in C57BL/6 mice model. Also the expression impaired by alcohol induced fatty liver is another aim of this study. Leiber-Decarli ethanol diet was used to induce fatty liver in male C57BL/6 mice (n=12). For control, Lieber-DeCarli liquid control diet was fed to mice (n=4). The control mice were pair-fed to the ethanol mice. After adaptation, the ethanol fed mice were divided into three groups viz. alcohol (n=4), dially disulfide [DADS] (n=4) and garlic oil [GO] (n=4). The study started with the administration of DADS (15 mg/kg bw) or GO (50 mg/kg bw) mixed in 0.1 ml olive oil through gavage. For the control and alcohol groups, same amount of olive oil (0.1 ml) was gavaged. The mice were gavaged daily for 4 weeks. The mice were euthanized by CO2 and blood was collected by cardiac puncture. Liver, kidney, spleen, lungs and hearts were collected and their weights recorded. A portion of liver was snap frozen in liquid nitrogen (200 mg) for RNA extraction.

2012-10-01 | E-GEOD-40334 | biostudies-arrayexpress

Evaluation of expression profiles due to garlic intake in young men and women.

Project description:Allium sativum (garlic) is considered the source of the diverse beneficial effects on thrombosis, heart disease, diabetes, nerve disorders and cancer, as well as being circulatory strengthening. We describe the global changes in transcriptomic activity from a short period of using a moderate amount of fresh garlic and its potential link to some of the beneficial effects.

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Allium sativum cultivar:Snow Mountain Garlic

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The human allicin-proteome: global protein S-thioallylation of by the garlic defence substance allicin and its biological effects

Project description:A single clove of edible garlic (Allium sativum L.) produces up to 5 mg of allicin (diallylthiosulfinate), a thiol-reactive sulfur-containing defence substance that gives injured garlic tissue its characteristic smell. Allicin induces apoptosis or necrosis in a dose-dependent manner but sublethal doses influence cellular metabolism and signalling cascades. Oxidation of protein thiols and depletion of the glutathione pool are thought to be responsible for allicin’s physiological effects. Here, we studied the effect of Allicin on post-translational thiol-modification in human Jurkat cells using shotgun LC-MS/MS analyses. We identified 332 proteins in the human Jurkat cell proteome that were modified by S-thioallylation which causes a mass shift of 72 Dalton on cysteines. Many S-thioallylated proteins are high abundant proteins, including the cytoskeletal proteins tubulin, actin, cofilin, filamin and plastin-2, the heat shock chaperones HSP90 and HSPA4, the glycolytic enzymes GAPDH, ALDOA, PKM as well the protein translation factor EEF2. We confirmed that Allicin disrupted the actin cytoskeleton in mouseL929 fibroblasts. Allicin further resulted in Zn2+ release from proteins and stimulated the Zn2+-dependent IL1-triggered release of IL2 in murine EL4 T-cells. Allicin further caused inhibition of enolase activity. In conclusion, our study revealed the overall extent of widespread S-thioallylation in the human Jurkat cell proteome after allicin exposure which affects essential cellular functions of selected allicin targets.

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Expression data from garlic-fed mouse

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Gene expression changes in liver tissues from alcohol treated mice

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Transcription profiling of mouse C57BL/6J mice spleen samples after garlic feeding to investigate anti-atherosclerotic, anti-proliferative, hypolipidemic and chemopreventative effects of garlic

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2009-01-15 | E-GEOD-10344 | biostudies-arrayexpress

Gene expression changes in liver tissues from alcohol treated PPARa-null mice

Project description:transcriptomic changes in wild typw and PPARa-null mice fed the Lieber-Decarli liquid diet with or without alcohol for up to four months to identify biomarkers for the early stage of alcohol induced liver damage. Mice were sampled after 1, 2 and 4 months treatment.

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Protective effect and mechanism of kinsenoside on alcoholic liver injury

Project description:The mice were fed with Lieber-Decarli alcohol liquid diet and intraperitoneal injection of carbon tetrachloride to induce alcoholic liver fibrosis in mice. The drug group was treated with kinsenoside at the same time to study the protective effect and mechanism of kinsenoside on alcoholic liver injury in mice.

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