Ontology highlight
ABSTRACT:
PROVIDER: PRJEB29257 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR2850070.fastq.gz | Fastqsanger.gz | |||
| ERR2850071.fastq.gz | Fastqsanger.gz | |||
| ERR2850072.fastq.gz | Fastqsanger.gz | |||
| ERR2850073.fastq.gz | Fastqsanger.gz | |||
| ERR2850064.fastq.gz | Fastqsanger.gz |
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Project description:Caesarean-delivered preterm pigs were fed 3 d of parenteral nutrition followed by 2 d of enteral formula feeding. Antibiotics (n=11) or control saline (n=13) were given twice daily from birth to tissue collection at d 5. NEC-lesions and intestinal structure, function, microbiology and immunity markers were recorded. We used Affymetrix microarrays to investigate gene expression in intestinal tissues of preterm piglets treated with antibiotics or control saline. Twenty-four preterm piglets were delivered by caesarean section on day 105 of gestation from two healthy sows. All piglets were initially provided with parenteral nutrition via a vascular catheter, combined with small amounts of minimal enteral nutrition. On day three, all parenteral nutrition was stopped and total enteral nutrition was given through an oro-gastric feeding tube. Piglets were allocated into controls ( n=13) and an intervention group receiving oral and systemic broad-spectrum antibiotics ( n=11). To assure high systemic and intra luminal MIC values antibiotics were given both orally and intramuscularly. All antibiotics were given directly after feeding with an oral bolus and control pigs were given corresponding amounts of saline. On day five, all piglets were euthanized, and small intestinal tissue collected.
2013-08-21 | E-GEOD-48125 | biostudies-arrayexpress
Project description:To investigate if appropriately adjusted parenteral glucose supply may help to shift liver metabolism profiling to further prevent sepsis or improve sepsis outcomes of preterm newborns, we using a preterm pig model inoculated with Staphylococcus epidermidis to mimic the inflammation condition of preterm newborns at birth and treated them with different parenteral nutrition glucose supplyment. We then performed gene expression profiling analysis using data obtained from RNA-seq of preterm pigs` liver tissue, which collected at 22 hours after SE infection, treated with different parenteral glucose supply.
2022-06-29 | GSE201550 | GEO
Project description:Hypercatabolism and immune suppression are frequently seen in patients with malignancy. Preoperative nutritional state is an important factor in determining surgical and postoperative complications because the preoperative nutritional status affects the postoperative nutritional state, immunity and inflammatory response. In these patients, standard parenteral nutrition may not be sufficient to maintain the immunity and provide positive or stabilized nitrogen balance. Preoperative and perioperative supplementation with immune-enhancing enteral nutrition has been reported to increase total lymphocytes and T lymphocytes and decrease circulating levels of interleukin 6 and tumor necrosis factor- alfa. There is a report which showed that glutamine dipeptide supplemented parenteral nutrition improved the cellular and humoral immune functions. The investigators aimed to evaluate the effect of postoperative glutamine-dipeptide and/or omega 3 fatty acid supplemented parenteral nutrition on the neutrophil functions and postoperative course of patients with colorectal cancer.
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Project description:To explore the effect of butyrate on intestinal epithelial cells in collagen-induced arthritis (CIA) mouse model, we conducted Single-Cell RNA Sequencing profiling of intestinal tissue in response to butyrate treatment.
2025-06-17 | GSE299304 | GEO
Project description:Caesarean-delivered preterm pigs were fed 3 d of parenteral nutrition followed by 2 d of enteral formula feeding. Antibiotics (n=11) or control saline (n=13) were given twice daily from birth to tissue collection at d 5. NEC-lesions and intestinal structure, function, microbiology and immunity markers were recorded. We used Affymetrix microarrays to investigate gene expression in intestinal tissues of preterm piglets treated with antibiotics or control saline.
2013-08-21 | GSE48125 | GEO
Project description:Parenteral nutrition (PN) is typically administered to individuals with gastrointestinal dysfunction, a contraindication for enteral feeding and a need for nutritional therapy. When PN is the only energy source in patients, it is defined as total parenteral nutrition (TPN). TPN is a life-saving approach for different patient populations, both in infants and adults. However, despite numerous benefits, TPN can cause adverse effects, including metabolic disorders and liver injury. TPN-associated liver injury, known as intestinal failure-associated liver disease (IFALD), represents a significant problem affecting up to 90% of individuals receiving TPN. IFALD pathogenesis is complex, depending on the TPN components as well as on the patient’s medical conditions. Despite numerous animal studies and clinical observations, the molecular mechanisms driving IFALD remain largely unknown. The present study was set up to elucidate the mechanisms underlying IFALD. For this purpose, human liver spheroid co-cultures were treated with TPN mixture followed by RNA sequencing analysis. It was found that prolonged exposure to TPN substantially changes the transcriptome profile of liver spheroids and affects multiple metabolic and signaling pathways contributing to liver injury.
2024-05-03 | GSE264357 | GEO
Project description:The balance between tolerogenic and inflammatory responses determines immune homeostasis in the gut. Dysbiosis and a defective host defense against invading intestinal bacteria can shift this balance via bacterial-derived metabolites and trigger chronic inflammation. We show that the short chain fatty acid butyrate modulates monocyte to macrophage differentiation by promoting antimicrobial effector functions. The presence of butyrate modulates antimicrobial activity via a shift in macrophage metabolism and reduction in mTOR activity. This mechanism is furthermore dependent on the inhibitory function of butyrate on histone deacetylase 3 (HDAC3) driving transcription of a set of antimicrobial peptides including calprotectin. The increased antimicrobial activity against several bacterial species is not associated with increased production of conventional cytokines. Butyrate imprints antimicrobial activity of intestinal macrophages in vivo. Our data suggest that commensal bacteria derived butyrate stabilize gut homeostasis by promoting antimicrobial host defense pathways in monocytes that differentiate into intestinal macrophages.
2019-01-30 | GSE111049 | GEO
Project description:RNA-sequencing in liver from control and parenteral nutrition-associated liver disease (PNALD) rats
2022-06-01 | GSE171007 | GEO
Project description:Necrotizing enterocolitis (NEC) is a severe gastrointestinal complication of prematurity. Using small intestinal organoids derived from fetal tissue of a gestational age similar to an extremely preterm infant, this study aims to assess the effect of diet on intestinal epithelial growth and differentiation to elucidate the role nutrition type plays in intestinal development and modifies the risk for NEC. Organoids were cultured for 5 days in growth media and 5 days in differentiation media supplemented 1:40 with four different diets: maternal milk (MM), donor human milk (DHM), standard formula, or extensively hydrolyzed formula. Images were captured daily and organoids were quantified. Organoids were preserved for RNA sequencing and immunofluorescence staining with Ki67, cleaved caspase 3, and chromogranin-A. Media was saved for cytokine/chemokine and growth factor analysis.Human milk supplementation improved growth and differentiation of intestinal organoids generating larger organoids during the growth phase and organoids with longer and wider buds during differentiation compared to formula. Ki67 staining confirmed the proliferative nature of milk-supplemented organoids and chromogranin A staining proved that MM-supplemented organoids induced highest enteroendocrine differentiation. Human milk supplementation also upregulated genes involved in proliferation and promoted a homeostatic immune landscape while those supplemented with formula had a downregulation of cell-cycle-promoting genes and a more inflammatory immune signature. Our results show that MM, and to a lesser extent DHM, support robust intestinal epithelial proliferation and differentiation, suggesting a critical role for factors enriched in human milk in intestinal epithelial health.
2024-07-01 | GSE253501 | GEO