Ontology highlight
ABSTRACT:
PROVIDER: PRJNA771627 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR16352778.fastq.gz | Fastqsanger.gz | |||
| SRR16352779.fastq.gz | Fastqsanger.gz | |||
| SRR16352780.fastq.gz | Fastqsanger.gz | |||
| SRR16352781.fastq.gz | Fastqsanger.gz | |||
| SRR16352782.fastq.gz | Fastqsanger.gz |
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Project description:Comparison of goat and cow milk-derived extracellular vesicle miRNomes (microRNA expression profiles) determined usiing RNA-sequencing (NGS).
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Project description:Milk and soy are reported to contain bioactive molecules with antibacterial and immunomodulatory actions, which may be beneficial to people with IBD. The aim of this study was to determine whether diets containing ruminant milk or soy solids reduce intestinal inflammation in Il10-/- mice. Male Il10-/- mice and C57BL/6J mice were fed diets containing 40% (w/w) sheep, goat, or cow whole milk powder, 40% (w/w) soy solids (NOW® Foods Soy Milk Powder, Instant), or one of two control diets (casein-free modified-AIN76A or standard AIN76A) from 4 to 11 weeks of age. Diets were based on AIN76A, which was included as an inter-experimental control for inflammation. For all diets except AIN76A, total protein, fat, carbohydrate and energy were kept as similar as possible. Weight and food intake were measured throughout the experiment (three times weekly), and intestinal tissue was taken for histopathology evaluation of inflammation and analysis of gene expression. Analysis of mouse weight and feed intake both showed a significant strain-diet interaction: Il10-/- mice fed the cow and goat milk diets ate less and gained less weight than all the other diet groups. This diet effect was not evident for the C57BL/6J mice. Il10-/- mice on the cow and goat milk diets had reduced colon histological injury scores relative to those on the other diets. Il10-/- mice on the cow and goat milk diets also had reduced expression of many immune/inflammatory-related genes and pathways.
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Project description:Goat & cow milk-derived extracellular vesicle miRNomes
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Project description:In comparison with cow milk, goat (Capra hircus) milk contains much higher levels of unsaturated fatty acids, as well as higher levels of total fat, proteins, carbohydrates, calcium, and vitamins.The main objective of the present study was to better define the relationship of known miRNAs regulating milk fat metabolism. Our main purpose is to search for some known miRNAs regulating milk fat metabolism, to this end, we screened potential miRNAs with differential expression between peak-lactation and non-lactation.
2016-06-25 | GSE83706 | GEO
Project description:Given that different diets could alter cow milk yield and composition, the effects of different feed formula on milk extracellular vesicle (EV) miRNAs were detected. Cow milk EVs contained various small RNAs, including miRNAs, snRNAs, tiRNAs, Cis-regulatory elements, and piRNAs. Two hundred and seventy-six known bos taurus miRNAs were identified by sequencing in bovine milk EVs. There were 13 immune-related miRNAs in the top 20 miRNAs in milk EVs. Nine differently expressed known miRNAs were detected in responding to different feed formulations. Cow milk EVs are abundant of small RNAs, especially miRNAs, which might be closely related to the development of maternal mammary gland and neonatal immune maturity.
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Project description:We established a novel and cost-effective procedure to isolate extracellular vesicles from bovine milk via salting-out. We aimed to obtain the profiling of the small RNAs in these EVs as an important characterization in EV research.
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Project description:A comprehensive glycosylation profile of donkey lactoferrin, isolated by ion exchange chromatography from an individual milk sample, was obtained by means of chymotryptic digestion, TiO2 and HILIC enrichment, reversed-phase high performance liquid chromatography, electrospray mass spectrometry, and high collision dissociation fragmentation. The results obtained allowed the identification of 26 different glycan structures, including high mannose, complex and hybrid N-glycans, linked to the protein backbone via an amide bond to asparagine residues located at the positions 137, 281 and 476. Altogether, the N-glycan structures determined revealed that in donkey milk lactoferrin most of the N-glycans identified are neutral complex/hybrid. Actually, 10 neutral non-fucosylated complex/hybrid N-glycans and 4 neutral fucosylated complex/hybrid N-glycans were found. In addition, 2 high mannose N-glycans, 4 sialylated fucosylated complex/hybrid N-glycans and 6 sialylated non-fucosylatedN-glycans, one of which containing N-glycolylneuramin acid (Neu5Gc), were found. A comparison of the glycosylation profile of donkey milk lactoferrin with respect to that of human, bovine and goat milk lactoferrin is reported.
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Project description:Milk can mediate maternal-neonatal signal transmission by the bioactive component-extracellular vesicles (EVs), which select specific types of miRNA to encapsulate. The miRNA profiling of sheep milk EVs was characterized by sequencing and compared with that of cow milk. Sheep milk EVs contained various small RNAs, including tRNA, Cis-regulatory element, rRNA, snRNA, other Rfam RNA, and miRNA, which held about 36% of all the small RNAs. Totally 84 types of miRNAs were annotated with Ovis aries by miRBase (version 22.0) in sheep milk EVs, with 75 shared types of miRNAs in all samples. Fourteen sheep milk EV-miRNAs in the top 20, occupying 98% of the total expression, were immune-related.
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Project description:In comparison with cow milk, goat (Capra hircus) milk contains much higher levels of unsaturated fatty acids, as well as higher levels of total fat, proteins, carbohydrates, calcium, and vitamins.The main objective of the present study was to better define the relationship of known miRNAs regulating milk fat metabolism. Our main purpose is to search for some known miRNAs regulating milk fat metabolism, to this end, we screened potential miRNAs with differential expression between peak-lactation and non-lactation. qPCR gene expression profiling. Monocytes from three healthy goats (3 year old) of similar body weight. We screened a series of potential miRNAs involved in regulation of milk metabolism.
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Project description:Mammalian milk is not only a source of nutrition for the newborn, but also contains various components that regulate further development. For instance, milk is an abundant source of microRNAs (miRNAs), which are evolutionary conserved small non-coding RNAs that are involved in post-transcriptional regulation of target mRNA. MiRNAs present in milk can occur in extracellular vesicles (EV), which are nanosized membrane vesicles released by many cell types as a means of intercellular communication. The membrane of EV protects enclosed miRNAs from degradation and harbors molecules that allow specific targeting to recipient cells. Although several studies have investigated the miRNA content in milk EV from individual species, little is known about the evolutionary conserved nature of EV-associated miRNAs among different species. In this study, we profiled the miRNA content of purified EV from human and porcine milk. These data were compared to published studies on EV from human, cow, porcine and panda milk to assess the overlap in the top 20 most abundant miRNAs. Interestingly, several abundant miRNAs were shared between species (e.g. let-7 family members let-7a, let-7b, let-7f, and miR-148a). Moreover, these miRNAs have been implicated in immune-related functions and regulation of cell growth and signal transduction. The conservation of these miRNA among species, not only in their sequence homology , but also in their incorporation in milk EV of several species, suggests that they are evolutionarily selected to regulate cell function in the newborn.
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