Human metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA429040 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR6458028_1.fastq.gz | Fastqsanger.gz | |||
| SRR6458028_2.fastq.gz | Fastqsanger.gz | |||
| SRR6467960_1.fastq.gz | Fastqsanger.gz | |||
| SRR6467960_2.fastq.gz | Fastqsanger.gz | |||
| SRR6467970_1.fastq.gz | Fastqsanger.gz |
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Project description:Fetal wounds repair by regeneration rather than wound healing and the environment is dominated by amniotic fluid. We are looking at early transcriptional regulation of keratinocytes cultured in amniotic fluid in vitro. Keratinocytes were isolated and expanded to passage three after which they were starved in DMEM for 12h then cultured for 24h in human amniotic fluid (50%), fcs (50%) or DMEM alone for another 24h. N=2, pooled replicates per CEL-file.
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Project description:metagenomic 16S rDNA amplicon sequencing of amniotic fluid samples
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Project description:The objective of this study was to identify the tissue expression patterns and biological pathways enriched in term amniotic fluid cell-free fetal RNA by comparing functional genomic analyses of term and second-trimester amniotic fluid supernatants. There were 2,871 significantly differentially regulated genes. In term amniotic fluid, tissue expression analysis showed enrichment of salivary gland, tracheal, and renal transcripts as compared with brain and embryonic neural cells in the second trimester. Functional analysis of genes upregulated at term revealed pathways that were highly specific for postnatal adaptation such as immune function, digestion, respiration, carbohydrate metabolism, and adipogenesis. Inflammation and prostaglandin synthesis, two key processes involved in normal labor, were also activated in term amniotic fluid. This was a prospective whole genome microarray study comparing eight amniotic fluid samples collected from eight women at term who underwent prelabor cesarean delivery and eight second-trimester amniotic fluid samples from routine amniocenteses. A functional annotation tool was used to compare tissue expression patterns in term and second-trimester samples. Pathways analysis software identified physiologic systems, molecular and cellular functions, and upstream regulators that were significantly overrepresented in term amniotic fluid.
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Project description:Amniotic fluid is critical for the development of foetus, which provides the appropriate conditions for foetus growth. Besides its presumed traditional roles of providing movement place and protecting from crushing, amniotic fluid is considered to have more important roles in the nervous development of foetus respecting nervous related compositions and close contact with the skin of foetus. Peripheral nervous sensory system is the feeling basis for the body with neuritis anchoring on the surface of skin. The effect of amniotic fluid on the development of peripheral sensory nervous system is unknown. To disclose the relationship between amniotic fluid and peripheral sensory nervous system, we profiled microRNAs dynamic expression in amniotic fluid during the stages of E13, E15 and E17. The cluster analysis results showed that there were significantly two different expression profiles of microRNAs during this development stage. The followed informatics analysis results showed that these two groups of microRNAs synergistically regulate the axon guidance process. Axon tracing by fluorogold and co-labelled immunofluorescence results indicated that there was a direct interaction between amniotic fluid and peripheral sensory nervous system in axon guidance. Taken together, our work is helpful to understand the development of peripheral sensory nervous system of foetus.
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