Exploring specific microRNAs in amniotic fluid for chorioamnionitis
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE143193 | GEO | 2021/02/01
REPOSITORIES: GEO
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Project description:Exploring specific microRNAs in amniotic fluid for chorioamnionitis
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Project description:We used single-nuclei sequencign to determine the effect of chorioamnionitis to the developing cerebellum using a rhesus macaque model of chorioamnionitis induced by intra-amniotic LPS.
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Project description:Fecal and amniotic fluid samples were collected from 25 pregnant women undergoing elective Caesarean section delivery after a term pregnancy at Oulu University Hospital, Oulu, Finland. Extracellular vesicles (EVs) were isolated from both sample types and their protein cargo analyzed using LC-ESI-MS/MS.
2023-11-14 | PXD045755 | Pride
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.
2017-02-09 | GSE70324 | GEO
Project description:The uploaded results of two samples were SNParray results in our research of which fetal CNVs were detected by noninvasive prenatal test (NIPT) and confirmed by microarray results. Sample ZNY162 received prenatal diagnosis because at 17 gestational week the pregnant woman received NIPT showing 23Mb microdeletion in Chr18. Later ultrasound examination showed developmental anomalies of feet and the 13th ribs. The pregnant woman received amniocentesis and SNParray at the 21st gestational week, which confirmed the existence of the microdeletion in Chr18. DNA was extracted from 10ml amniotic fluid and tested by Affymetrix CytoScan HD array to detect CNVs in whole genome, showing arr 18q22.3q23(69,461,933-78,014,123) Ã1. Sample LMQ155 received prenatal diagnosis because of advanced maternal age and NIPT result of a 2.29Mb microduplication in Chr13 at 15 gestational week. Amniocentesis was performed at the 17th gestational week. Affymetrix CytoScan HD array were used to detect fetal CNVs in whole genome, which showed arr 13q21.2(60,399,612-61,730,194) Ã3 that was consistent with NIPT result.
2016-11-16 | E-MTAB-4738 | biostudies-arrayexpress
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.
2021-08-25 | GSE182704 | GEO
Project description:The objective of the present work was to identify new renal proteins responsible for Congenital Anomalies of the Kidney and of the Urinary Tract (CAKUT pathophysiology). We conducted a comparative LC-MS/MS-based proteomics analysis of amniotic fluids (AF) collected from non-severe CAKUT (ns-CAKUT; n=19), severe CAKUT (s-CAKUT; n=14), and healthy controls (cont; n=22) fetuses. We identified a total of 224 gestational age independent proteins that were significantly different in abundance when comparing (one-way ANOVA corrected p<0.05) the 3 groups of amniotic fluids 2 by 2. We identified 8 gestational-age independent proteins that were in common when comparing the 3 groups two by two, and that were considered as associated to both CAKUT onset and CAKUT severity.
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Project description:Intra-amniotic infection, the invasion of microbes into the amniotic cavity resulting in an inflammatory process, is a clinical condition that can lead to adverse pregnancy outcomes for the mother and fetus as well as severe long-term neonatal morbidities. Despite much research focused on the consequences of intra-amniotic infection, there is still little knowledge about the functional roles of innate immune cells that respond to invading microbes. In the current study, we performed RNA sequencing of sorted neutrophils and monocytes/macrophages from amniotic fluid from women with intra-amniotic infection to determine the transcriptomic differences between these innate immune cells. Further, we sought to identify specific transcriptomic pathways that were significantly altered by the maternal or fetal origin of amniotic fluid neutrophils and monocytes, the presence of a severe fetal inflammatory response, and pregnancy outcome (i.e. preterm or term delivery). We showed that significant transcriptomic differences exist between amniotic fluid neutrophils and monocytes/macrophages from women with intra-amniotic infection that are indicative of the distinct roles these cells play. We also found that amniotic fluid monocytes/macrophages of fetal origin display impaired ability to clear out microbes invading the amniotic cavity compared to those of maternal origin. Notably, we demonstrate that the transcriptomic changes in amniotic fluid monocytes/macrophages are heavily associated with the severity of the fetal inflammatory response, suggesting that the trafficking of fetal neutrophils throughout the umbilical cord is partially modulated by monocytes/macrophages in the amniotic cavity. Finally, we show that amniotic fluid neutrophils and monocytes/macrophages from preterm deliveries display enhanced transcriptomic activity compared to those from term deliveries, highlighting the protective role of these innate immune cells in this vulnerable period. Collectively, these findings demonstrate the underlying complexity of local innate immune responses in women with intra-amniotic infection, and provide new insights into the functions of amniotic fluid neutrophils and monocytes in the amniotic cavity.
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Project description:The goal of the experiment was to uncover novel TTTS biomarkers using microarray gene expression analysis of cell free fetal RNA from the amniotic fluid of TTTS-affected and non-affected pregnant women.
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