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Early Angiogenic Proteins Associated with High Risk for Bronchopulmonary Dysplasia and Pulmonary Hypertension in Preterm Infants

ABSTRACT: Early Angiogenic Proteins Associated with High Risk for Bronchopulmonary Dysplasia and Pulmonary Hypertension in Preterm Infants

PROVIDER: PRJNA495631 | ENA |

REPOSITORIES: ENA

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Early Angiogenic Proteins Associated with High Risk for Bronchopulmonary Dysplasia and Pulmonary Hypertension in Preterm Infants

Project description:Introduction: Early pulmonary vascular disease in preterm infants is associated with the subsequent development of bronchopulmonary dysplasia (BPD) and pulmonary hypertension (PH), however, mechanisms that contribute to or identify infants with increased susceptibility for BPD and/or PH are incompletely understood. Therefore, we tested if changes in circulating angiogenic peptides during the first week of life are associated with the later development of BPD and/or PH. We further sought to determine alternate peptides and related signalling pathways with the risk for BPD or PH. Methods: We prospectively enrolled infants with gestational age <34 weeks gestation and collected blood samples during their first week of life. BPD and PH were assessed at 36 weeks postmenstrual age. Samples were assayed for each of the 1121 peptides included in the SOMAscanTM technology, with subsequent pathway analysis. Results: Of 102 study infants, 82 had BPD and 13 had PH. Multiple angiogenic proteins (PF-4, VEGF121, ANG-1, BMP10, HGF, ANG2) were associated with the subsequent diagnosis of BPD, and FGF-19, PF-4, CTAP-III and PDGF-AA levels were associated with BPD severity. Early increases in BMP10 was strongly associated with the late risk for BPD and PH. Conclusion: We found that early alterations of circulating angiogenic peptides and others were associated with the subsequent development of BPD. We further identified peptides that were associated with BPD severity and BPD-associated PH, including BMP10. We speculate that proteomic biomarkers during the first week of life may identify infants at risk for BPD and/or PH to enhance care and research.

2020-01-15 | GSE121097 | GEO

Airway Exosomal miRNA predicts Bronchopulmonary Dysplasis in Extremely Preterm Infants

Project description:We conducted a prospective cohort study with independent Discovery and Validation cohorts, to formulate predictive biomarkers for Bronchopulmonary Dysplasia in extremely preterm infants. Tracheal aspirate samples were collected at birth from extremely preterm infants. Exosomes were extracted from tracheal aspirates and total RNA was extracted from these exosomes from individual samples. miRNA profiling for all ~ 800 miRNAs was conducted on each sample by nanostring platform. This study found that a distinct airway exosomal miRNA sigrature at birth (decreased miR 876-3p) predicts future development of severe Bronchopulmonary Dysplasia in extremely preterm infants.

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Cord blood gene expression profiles of bronchopulmonary dysplasia in preterm infants

2022-05-05 | GSE188944 | GEO

Cord blood methylation profiles of bronchopulmonary dysplasia in preterm infants

Project description:Bronchopulmonary dysplasia (BPD) is a lung disease in premature infants characterized by impaired pulmonary development which persists into later life. While advances in neonatal care have improved survival rates of premature infants, cases of BPD haves been increased. Therapeutic options are limited for prevention and treatment. This study was designed to explore the relationship between gestational age (GA), birth weight and estímate blood cell-type composition in premature infants and to elucidate early epigenetic biomarkers associated with BPD. Cord blood DNA from preterm neonates that went on to develop BPD (n = 14) or not (nonBPD, n = 93) was applied to Illumina 450K methylation arrays. Using DNA methylation analysis of cord blood DNA, we investigated association of GA and birth weight with the estimated distribution of cord blood cell types, particularly the nucleated red blood cell (NRBC) in a pilot-size cohort of preterm infants with or without BPD. We describe changes in methylation-based estimates of blood cell-type composition in relation to GA and birth weight. After adjusting for covariates (GA, birth weight, cell type proportions, etc.) we identify differentially methylated CpGs and genes associated with BPD.

2022-05-05 | GSE188949 | GEO

Epigenome-wide association study of bronchopulmonary dysplasia in preterm infants

Project description:Epigenome-wide association study of bronchopulmonary dysplasia in preterm infants

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Cord blood methylation profiles of bronchopulmonary dysplasia in preterm infants

Project description:Cord blood methylation profiles of bronchopulmonary dysplasia in preterm infants

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RNA-Seq of blood in preterm infants with Bronchopulmonary dysplasia.

Project description:RNA-Seq of blood in preterm infants with Bronchopulmonary dysplasia.

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Cord blood gene expression profiles of bronchopulmonary dysplasia in preterm infants

Project description:Cord blood gene expression profiles of bronchopulmonary dysplasia in preterm infants

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Epigenome-wide association study on peripheral blood DNA of bronchopulmonary dysplasia in preterm infants

Project description:Bronchopulmonary dysplasia (BPD) is a lung disease in premature infants characterized by impaired pulmonary development which persists into later life. While advances in neonatal care have improved survival rates of premature infants, cases of BPD haves been increased. Therapeutic options are limited for prevention and treatment. This study was designed to explore the relationship between gestational age (GA), birth weight and estímate blood cell-type composition in premature infants and to elucidate early epigenetic biomarkers associated with BPD. Peripheral blood DNA (at days 14 and 28) from preterm neonates that went on to develop BPD (n = 14) or not (nonBPD, n = 93) was applied to Illumina EPIC methylation arrays. Using DNA methylation analysis of cord blood DNA, we investigated association of GA and birth weight with the estimated distribution of cord blood cell types, particularly the nucleated red blood cell (NRBC) in a pilot-size cohort of preterm infants with or without BPD. We describe changes in methylation-based estimates of blood cell-type composition in relation to GA and birth weight. After adjusting for covariates (GA, birth weight, cell type proportions, etc.) we identify differentially methylated CpGs and genes associated with BPD at different time points.

2023-07-05 | GSE225313 | GEO

mRNA expression profile in a murine model of hyperoxia-induced bronchopulmonary dysplasia

Project description:We performed miRNA and mRNA profiling at postnatal day 14 and day 29 to compare hyperoxia-induced bronchopulmonary dysplasia and wild type. We built potential miRNA-mRNA interaction networks specific to brochopulmonary dysplasia. Replicated time course of mouse lung development at 2 time points (P14, P29). Three replicates per time point for bronchopulmonary dysplasia induced by hyperoxia mouse lung, and two replicates per time point for wild type mouse lung. This dataset represents the mRNA expression profiling component of the study.

2012-04-30 | E-GEOD-25286 | biostudies-arrayexpress

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