Ontology highlight
ABSTRACT:
PROVIDER: PRJNA961636 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24297700_1.fastq.gz | Fastqsanger.gz | |||
| SRR24297700_2.fastq.gz | Fastqsanger.gz | |||
| SRR24297800_1.fastq.gz | Fastqsanger.gz | |||
| SRR24297800_2.fastq.gz | Fastqsanger.gz | |||
| SRR24297900_1.fastq.gz | Fastqsanger.gz |
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Project description:Maternal diabetes is associated with a wide range of fetal and neonatal adverse effects including pulmonary disturbances. To investigate the effects of maternal diabetes on neonatal lung gene expression profile, we performed microarray analysis on the lungs of 14-day-old rats born to diabetic dam. Keywords: disease state analysis Four neonatal lungs exposed to maternal diabetes and four control lungs were analyzed.
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Project description:Maternal diabetes is associated with a wide range of fetal and neonatal adverse effects including pulmonary disturbances. To investigate the effects of maternal diabetes on neonatal lung gene expression profile, we performed microarray analysis on the lungs of 14-day-old rats born to diabetic dam. Keywords: disease state analysis
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Project description:The maternal microbiota plays an important role in shaping and priming infant immunity, although the cellular and molecular mechanisms underlying these effects remain obscure. Here we report that prenatal antibiotic exposure caused significant elevation of group 2 innate lymphoid cells (ILC2s) in neonatal lungs, in both cell numbers and functionality. Downregulation of type 1 interferon signaling in ILC2s caused by diminished production of microbiota-derived metabolite butyrate represents the underlying mechanism. Mice lacking butyrate receptor GPR41 (GPR41-/-) or type 1 interferon receptor (Ifnar1-/-) recapitulated the phenotype of neonatal ILC2s upon maternal antibiotic exposure. Furthermore, prenatal antibiotic exposure induced persistent epigenetic changes in ILC2s and had a long-lasting deteriorative effect on allergic airway inflammation in adulthood. Prenatal supplementation with butyrate ameliorated airway inflammation in adult offspring born to antibiotic-exposed dams. These observations demonstrate an essential role for the maternal microbiota in the control of type 2 innate immunity at the neonatal stage, which provides a therapeutic window for treating asthma in early life.
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Project description:We analysed the combined effects of exposure to maternal diabetes and disrupted HIF-1 signaling on the transcriptom in cardiac left ventricles of 12 weeks old male mice. This approach provides the information about the long term changes originating in utero due to maternal diabetes and inefficient response to hypoxia which develops as a result of hyperglycemia. The majority of changes were detected in Hif1a insufficient mice exposed to maternal diabetes.
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Project description:Effects of maternal diabetes on transcriptome in liver
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Project description:Intrahepatic cholestasis of pregnancy (ICP) is estimated to impact between 0.4% and 5% of pregnancies worldwide. This disease is associated with elevated maternal bile acids and frequently untoward neonatal outcomes such as respiratory distress and asphyxia. Multiple candidate genes have been implicated, but none have provided insight into the mechanisms of neonatal respiratory distress and death. Herein our studies demonstrate that maternal cholestasis (due to Abcb11 deficiency) produces 100% neonatal death within 24h due to atelectasis producing pulmonary hypoxia, which recapitulates the respiratory distress and asphyxia of human ICP. We show that these neonates have elevated pulmonary bile acids that are associated with disrupted structure of pulmonary surfactant. Maternal absence of Nr1i2 superimposed upon Abcb11 deficiency strongly increased neonatal survival and is directly related to reduced maternal bile acid concentrations. The mechanism accounting for reduced serum bile acids in the mothers deficient in both Nr1i2 and Abcb11 appears related to disrupted reabsorption of intestinal bile acids due to changes in transporter expression. These findings provide novel insights into pulmonary failure by revealing bile acids capability to disrupt the structure of surfactant producing collapsed alveoli, pulmonary failure and ultimately death. These findings have important implications for neonatal health especially when maternal bile acids are elevated during pregnancy and highlight a potential pathway and targets amenable to therapeutic intervention to ameliorate this condition. We used microarrays to measure changes in gene expression profiles in lung tissues from Abcb11+/- lungs after interbreeding C57BL/6 wild-type female or C57BL/6 Abcb11-/- female mice against either C57BL/6 wild-type male mice or C57BL/6 Abcb11-/- male mice to create only heterozygote offspring. We also measured profiles in liver tissues from age-matched C57BL/6 wild-type and C57BL/6 Abcb11-/- mice. Lung tissues were collected from day E17.5, E18.5 and neonatal (N0) mice. Liver tissues were collected from 1.5-month-old C57BL/6 wildtype and Abcb11-/- mice.
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