Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1005949 | ENA |
REPOSITORIES: ENA
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Project description:Effects of Dietary Addition of Ellagic Acid on Rumen Metabolism, Nutrient Apparent Digestibility, and Growth Performance in Kazakh Sheep
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Project description:In this study we conducted a randomized, controlled, cross-over single-meal study
comparing a meal with highly fermented yogurt and cheese, and a meal with beef
and pork meatballs. Postprandial urine samples from 17 subjects were collected
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Project description:Vegetable oils (VO) are possible substitutes for fish oil in aquafeeds but are limited by their lack of omega-3 (n-3) long-chain polyunsaturated fatty acids (LC-PUFA). However, oilseed crops can be modified to produce n-3 LC-PUFA such as eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids, representing a potential option to fill the gap between supply and demand of these important nutrients. Camelina sativa was metabolically engineered to produce a seed oil with around 15 % total n-3 LC-PUFA to potentially substitute for fish oil in salmon feeds. Post-smolt Atlantic salmon (Salmo salar) were fed for 11-weeks with one of three experimental diets containing either fish oil (FO), wild-type Camelina oil (WCO) or transgenic Camelina oil (DCO) as added lipid source to evaluate fish performance, nutrient digestibility, tissue n-3 LC-PUFA, and metabolic impact determined by liver transcriptome analysis. The DCO diet did not affect any of the performance or health parameters studied and enhanced apparent digestibility of EPA and DHA compared to the WCO diet. The level of total n-3 LC-PUFA was higher in all the tissues of DCO-fed fish than in WCO-fed fish with levels in liver similar to those in fish fed FO. Endogenous LC-PUFA biosynthetic activity was observed in fish fed both the Camelina oil diets as indicated by the liver transcriptome and levels of intermediate metabolites such as docosapentaenoic acid, with data suggesting that the dietary combination of EPA and DHA inhibited desaturation and elongation activities. Expression of genes involved in phospholipid and triacylglycerol metabolism followed a similar pattern in fish fed DCO and WCO despite the difference in n-3 LC-PUFA contents.
2016-12-05 | E-MTAB-4621 | biostudies-arrayexpress
Project description:<p>Cholestasis is a clinical condition resulting from the impairment of bile flow. Currently, patients with cholestasis still face several barriers in seeking diagnosis and treatment. Zhuyu Pill (ZYP) is an ancient classic formula of the Coptis-Evodia herb couples (CEHC), and has been used for cholestasis treatment in the clinic, however, its underlying biological mechanism in cholestasis remain to be clarified. In this study, a cholestasis rat model, induced by α-naphthyl-isothiocyanate (ANIT, 50mg/kg) and treated with ZYP (0.6g/kg or 1.2g/kg), was adopted. Serum biochemical indices and histopathological evaluation was performed, in addition to metabolomics analyses of fecal and 16S rDNA sequencing of the gut microbiota. We evaluated the anticholestatic activity of ZYP and investigated the mechanism underlying its correlation with gut microbiota and fecal metabolite regulation. The relationships between biochemical indices, fecal metabolites, and gut microbiota were analyzed. The results showed that both high and low doses of ZYP can effectively improve the blood biochemical parameters of cholestasis rats, and the intervention effect of high dose ZYP is superior to that that of lower dose. Based on a metabolomics test of fecal samples, significantly altered metabolites in the ANIT and ZYP treatment group were identified. In total, 734 metabolites were differentially expressed, and whose biological functions were mainly associated with amino acid metabolism, steroid hormone biosynthesis, and bile secretion. In addition, sequencing of the 16S rDNA unit in fecal samples revealed that the ZYP could improve the gut microbiota dysbiosis that ANIT had induced. Therefore, we conclude that ANIT altering of blood biochemical and metabolic profiles and gut microbiota can be effectively alleviated using ZYP treatment, this study contributes “TCM wisdom” to clinical diagnosis and treatment of cholestasis.</p>
2022-05-30 | MTBLS2721 | MetaboLights
Project description:Selenium (Se) is an essential nutrient for beef cattle health and commercial production. The molecular mechanisms responsible for the physiological responses of the animal to dietary Se supplementation, however, have not been evaluated. Furthermore, the potential effect of two chemical forms (organic vs. inorganic) of Se on gene expression by Se-sufficient cattle has not been evaluated. Microarray analysis using the GeneChip Bovine Genome Array (Affymetrix, Inc., Santa Clara, CA) was conducted to determine if dietary Se supplementation in organic vs. inorganic form (OSe vs. ISe) differentially affects the liver gene expression profile in growing beef heifers.
2010-04-19 | GSE19696 | GEO
Project description:Heart failure represents a leading cause of mortality in the elderly population. Although aging features include diastolic dysfunction and interstitial fibrosis in both males and females, it becomes increasingly apparent that aged male and female hearts are phenotypically different. There were fundamental differences in extracellular matrix (ECM) composition and architecture and heart function indices at the baseline, which were further accentuated by Aicar treatment. By combining in vivo, ex vivo, and in vitro strategies, we demonstrated that there are sex-specific features that influence the response to pharmacological intervention in the aging mouse heart.
2022-06-23 | PXD031223 | Pride