Ontology highlight
ABSTRACT:
PROVIDER: PRJNA925078 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR23107100.fastq.gz | Fastqsanger.gz | |||
| SRR23107101.fastq.gz | Fastqsanger.gz | |||
| SRR23107102.fastq.gz | Fastqsanger.gz | |||
| SRR23107103.fastq.gz | Fastqsanger.gz | |||
| SRR23107104.fastq.gz | Fastqsanger.gz |
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Project description:Gut microbiota in peritoneal dialysis patients
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Project description:Gut microbiota in peritoneal dialysis patients
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Project description:Transcriptome analysis of two population of peritoneal mononuclear phagocytes (CD14+ macrophages and CD1c+ dendritic cells) in peritoneal dialysis effluent from stable (infection-free) peritoneal dialysis patients.
2017-01-23 | E-MTAB-5439 | biostudies-arrayexpress
Project description:Background: The long-term high-fat, high-sugar diet exacerbates type 2 diabetes mellitus (T2DM)-related cognitive impairments. The negative impact of poor dietary patterns on brain development and neurological function may be related to gut microbiota disturbance. The role of phlorizin in mitigating glucose and lipid metabolism disorders is well documented. However, the protective effect of phlorizin on diabetes-related cognitive dysfunction is unclear. Therefore, the present study aimed to investigate the effect of dietary supplementation of phlorizin on high-fat and high-fructose diet (HFFD)-induced cognitive dysfunction and evaluate the crucial role of the microbiota-gut-brain axis. Results: Dietary supplementation of phlorizin for 14 weeks effectively prevented glucolipid metabolism disorder, spatial learning impairment, and memory impairment in HFFD mice. In addition, phlorizin improved the HFFD-induced decrease in synaptic plasticity, neuroinflammation, and excessive activation of microglia in the hippocampus. Transcriptomics analysis shows that the protective effect of phlorizin on cognitive impairment was associated with increased expression of neurotransmitters and synapse-related genes in the hippocampus. Phlorizin treatment alleviated colon microbiota disturbance, mainly manifested by an increase in gut microbiota diversity and the abundance of short-chain fatty acid (SCFA)-producing bacteria. The level of microbial metabolites, including SCFA, inosine 5'-monophosphate (IMP), and D (-)-beta-hydroxybutyric acid (BHB) were also significantly increased after phlorizin treatment. Moreover, integrating multiomics analysis observed tight connections between phlorizin-regulated genes, microbiota, and metabolites. Furthermore, removal of the gut microbiota via antibiotics treatment diminished the protective effect of phlorizin against HFFD-induced cognitive impairment, underscoring the critical role of the gut microbiota in mediating cognitive behavior. Importantly, supplementation with SCFA and BHB alone mimicked the regulatory effects of phlorizin on cognitive function. Conclusions: These results indicate that gut microbiota and their metabolites mediate the ameliorative effect of phlorizin on HFFD-induced cognitive impairment. Therefore, phlorizin can be used as an easy-to-implement nutritional therapy to prevent and alleviate metabolism-related neurodegenerative diseases by targeting the regulation of the microbiome-gut-brain axis.
2024-03-20 | GSE261887 | GEO
Project description:The complete systemic deregulated biological network in peritoneal dialysis (PD) patients is still only partially defined. High-throughput/omics techniques may offer the possibility to analyze the main biological fingerprints associated with this clinical condition. For the transcriptomic part of the study, we analyzed new data from 10 patients undergoing peritoneal dialysis .
2023-12-31 | E-MTAB-12875 | biostudies-arrayexpress
Project description:Morphine and its pharmacological derivatives are the most prescribed analgesics for moderate to severe pain management. However, chronic use of morphine reduces pathogen clearance and induces bacterial translocation across the gut barrier. The enteric microbiome has been shown to play a critical role in the preservation of the mucosal barrier function and metabolic homeostasis. Here, we show for the first time, using bacterial 16s rDNA sequencing, that chronic morphine treatment significantly alters the gut microbial composition and induces preferential expansion of the gram-positive pathogenic and reduction of bile-deconjugating bacterial strains. A significant reduction in both primary and secondary bile acid levels was seen in the gut, but not in the liver with morphine treatment. Morphine induced microbial dysbiosis and gut barrier disruption was rescued by transplanting placebo-treated microbiota into morphine-treated animals, indicating that microbiome modulation could be exploited as a therapeutic strategy for patients using morphine for pain management. In this study, we establish a link between the two phenomena, namely gut barrier compromise and dysregulated bile acid metabolism. We show for the first time that morphine fosters significant gut microbial dysbiosis and disrupts cholesterol/bile acid metabolism. Changes in the gut microbial composition is strongly correlated to disruption in host inflammatory homeostasis13,14 and in many diseases (e.g. cancer/HIV infection), persistent inflammation is known to aid and promote the progression of the primary morbidity. We show here that chronic morphine, gut microbial dysbiosis, disruption of cholesterol/bile acid metabolism and gut inflammation; have a linear correlation. This opens up the prospect of devising minimally invasive adjunct treatment strategies involving microbiome and bile acid modulation and thus bringing down morphine-mediated inflammation in the host.
2016-06-01 | E-MTAB-3722 | biostudies-arrayexpress
Project description:Cardiovasculopathy is the leading cause of death; patients with chronic kidney disease (CKD) are at particularly high risk. The pathophysiological role of accumulating reactive metabolites in CKD such as glucose degradation products (GDP) is uncertain. Large amounts of GDP are absorbed from conventional dialysis fluids in patients on chronic peritoneal dialysis (PD). Omental and parietal peritoneal tissues were obtained from 107 pediatric patients with CKD5 and 90 children on PD using dialysis fluids containing low and high concentrations of GDP, respectively. Fat surrounded omental arterioles, protected from local PD fluid exposure, were microdissected for transcriptome and proteome analyses.
2025-01-10 | E-MTAB-9646 | biostudies-arrayexpress