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Effects of aronia juice consumption on the mRNA expression profile in peripheral blood mononuclear cells in subjects at cardiovascular risk

ABSTRACT: We aimed to explore the effects of two, high-polyphenol (AMJ) and low-polyphenol (dAMJ), doses of aronia juice (including polyphenol-free placebo, PLB) and their additive effects on whole transcriptome in peripheral blood mononuclear cells (PBMC) of subjects at cardiovascular risk.

ORGANISM(S): Homo sapiens

PROVIDER: GSE145034 | GEO | 2020/05/28

REPOSITORIES: GEO

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Human Peripheral Blood mononuclear cells from postmenopausal women: grapefruit juice vs. flavanone-free placebo

Project description:Transcriptional profiling of Peripheral Blood mononuclear cells (PBMCs) in apparently healthy postmenopausal women consuming flavanones in grapefruit juice (340 ml/day providing around 210 mg of naringenin glycosides) or flavanone-free placebo drink for 6 months in a cross-over design with a 2-month washout period between consumption of two studied drinks. Goal was to determine the effects of chronic consumption of flavanones in garpefruit juice on global gene expression profiles in humans

2022-05-03 | GSE202084 | GEO

Effects of aronia juice consumption on the mRNA expression profile in peripheral blood mononuclear cells in subjects at cardiovascular risk

Project description:Effects of aronia juice consumption on the mRNA expression profile in peripheral blood mononuclear cells in subjects at cardiovascular risk

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Organic vegetable juice supplement modulates microbial community in continuous colon simulation system

Project description:In this study, we investigated the effects of organic vegetable juice supplementation on modulating the microbial community, and how its consumption ameliorates blood lipid profiles in diet-induced obese mice. Here, we analyzed the effect of organic vegetable juice on the microbial community and fatty acid synthesis via animal experiments using diet-induced obese mice and continuous colon simulation system. Organic vegetable juice supplement influenced intestinal bacterial composition from phylum to genus level, including decreased Proteobacteria in the ascending colon in the phylum. At the family level, Akkermansia which are associated with obesity, were significantly augmented in the transverse colon and descending colon compared to the control juice group. In addition, treatment with organic vegetable juice affected predicted lipid metabolism function genes related to lipid synthesis. Organic vegetable juice consumption did not have a significant effect on weight loss but helped reduce epididymis fat tissue and adipocytes. Additionally, blood lipid profiles, such as triglyceride, high-density lipoprotein, and glucose, were improved in the organic vegetable juice-fed group. Expression levels of genes related to lipid synthesis, including SREBP-1, PPARγ, C/EBPα, and Fas, were significantly decreased. Analysis of antioxidant markers, including 8-OHdG and MDA, in the vegetable juice group, indicated that blood lipid profiles were improved by the antioxidant effect. These results suggest that organic vegetable juice supplementation may modulate gut microbial community and reduce the potential role of hyperlipidemia in diet-obese mice.

2021-12-31 | GSE171609 | GEO

Gastritis gastric juice profile

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Transcript Analysis of E. coli ATCC 35218 suggest a Role of cranberry Juice in Inhibiting the growth of E. coli

Project description:Several different mechanisms have been proposed to explain the possible role of cranberries, cranberry juice, and cranberry extracts in inhibiting bacterial growth. In this report, we showed that Escherichia coli showed slower growth rate in response to the presence of cranberry juice in the growth media. By compareing the global transcript profiles, significant modulation of several genes of E. coli grown in LB broth with 10% cranberry juice were identified and provided identification of the potential mechanisms involved in the inhibitory effects of cranberry juice. The results presented clearly demonstrate that the inhibitory effect on bacterial growth observed in the presence of cranberry juice/extracts is primarily a result of the iron chelation capacity of PACs and direct disruption of metabolic enzymes. The results are discussed with a focus on the genes associated with iron chelation capability. Keywords: growth inhibition of cranberry juice

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Effects Of An Encapsulated Fruit And Vegetable Juice Concentrate On Obesity-Induced Systemic Inflammation

Project description:Analysis of the effect of using a fruit and vegetable juice concentrate to reduce systemic inflammation in obesity. The hypothesis tested whether the presence of polyphenols in the fruit and vegetable juice concentrate could reduce the expression of systemic inflammatory genes in the blood of Obese patients with high levels of plasma CRP (≥3.0). Results provide evidence that systemic inflammatory genes/ and or pathways may be modulated by the fruit and vegetable juice concentrate.

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Gene expression induced in Escherichia coli O157:H7 upon exposure to model apple juice

Project description:Escherichia coli O157:H7 has caused serious outbreaks of foodborne illness via transmission in a variety of food vehicles, including unpasteurized apple juice, dried salami, and spinach. To understand how this pathogen responds to the multiple stresses of the food environment, we compared global transcription patterns after exposure to apple juice. Transcriptomes of mid-exponential and stationary phase cells were evaluated after 10 minutes in model apple juice (pH3.5) using microarrays probing 4,886 ORFs. Significant changes in gene expression were determined using R/MAANOVA and the Fs test. A total of 331 ORFs were significantly induced upon exposure of cells to model apple juice and included genes involved in the acid and osmotic stress responses as well as the oxidative stress response and envelope stress. Genes involved in the acid and osmotic stress responses, including asr, osmC, osmB, and osmY were significantly induced in response to model apple juice. Genes involved in the envelope stress response, known to be controlled by CpxR (cpxP, degP, and htpX), were significantly induced 2 to 15 fold upon exposure to apple juice, independent of growth phase. Inactivation of CpxRA resulted in a significant decrease in survival of O157:H7 in model apple juice compared to the isogenic parent strain. Of the 331 ORFs induced in model apple juice, 104 are O157-specific ORFs, including those encoding type three secretion effectors espJ, espB, espM2, espL3 and espZ. By elucidating the response of O157:H7 to acidic foods, we hope to gain insights into how this pathogen is able to survive in food matrices and how exposure to foods affects subsequent transmission and virulence. Keywords: stress

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Transcript Analysis of E. coli ATCC 35218 suggest a Role of cranberry Juice in Inhibiting the growth of E. coli

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Host: Microbiome co-metabolic processing of dietary polyphenols – An acute, single blinded, cross-over study with different doses of apple polyphenols in healthy subjects

Project description:Apples are one of the most commonly consumed fruits and their high polyphenol content is considered one of the most important determinants of their health-promoting activities. Here we studied the nutrikinetics of apple polyphenols by UHPLC-HRMS metabolite fingerprinting, comparing the bioavailability when assumed in a natural or a polyphenol-enriched cloudy apple juice. Twelve men and women participated in an acute single blind controlled crossover study in which they consumed 250 mL of cloudy apple juice (CAJ), Crispy Pink apple variety, or 250 mL of the same juice enriched with 750 mg of an apple polyphenol extract (PAJ). Plasma and whole blood were collected at time 0, 1, 2, 3 and 5 h. Urine was collected at time 0 and 0-2, 2-5, 5-8, and 8-24 h after juice consumption. Faecal samples were collected from each individual during the study for 16S rRNA gene profiling. As many as 110 metabolites were significantly elevated following intake of polyphenol enriched cloudy apple juice, with large inter-individual variations. The comparison of the average area under the curve of circulating metabolites in plasma and in urine of volunteers consuming either the CAJ or the PAJ demonstrated a stable metabotype, suggesting that an increase in the concentration of polyphenols in the fruit do not limit their bioavailability. Faecal bacteria were correlated with specific microbial catabolites derived from apple polyphenols. Human metabolism of apple polyphenols is a co-metabolic process between human encoded activities and those of our resident microbiota. Here we have identified specific blood and urine metabolic biomarkers of apple polyphenol intake and identified putative associations with specific genera of gut bacteria, associations which now need confirmation in specifically designed mechanistic studies.

2018-10-11 | MTBLS473 | MetaboLights

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