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A Dysregulated Proinflammatory Status in Preterm School-aged Children with PVL-induced Spastic Cerebral Palsy

ABSTRACT: Injury occurring during critical periods of development may have long-term effects on inflammatory responses. Periventricular leukomalacia (PVL) is the most common cause of cerebral palsy (CP) in preterm infant. Activated leukocytes are the main source of inflammatory cytokines that give rise to white matter damage and CP in preterm infant. Here, we tested the hypothesis that inflammation profiles as pathogenic mediators for the occurrence of PVL in the neonatal period may persist in preterm children with CP at school age.

ORGANISM(S): Homo sapiens

PROVIDER: GSE17390 | GEO | 2009/09/30

SECONDARY ACCESSION(S): PRJNA118827

REPOSITORIES: GEO

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A Dysregulated Proinflammatory Status in Preterm School-aged Children with PVL-induced Spastic Cerebral Palsy

Project description:Injury occurring during critical periods of development may have long-term effects on inflammatory responses. Periventricular leukomalacia (PVL) is the most common cause of cerebral palsy (CP) in preterm infant. Activated leukocytes are the main source of inflammatory cytokines that give rise to white matter damage and CP in preterm infant. Here, we tested the hypothesis that inflammation profiles as pathogenic mediators for the occurrence of PVL in the neonatal period may persist in preterm children with CP at school age. Five preterm children with PVL-induced CP and gestational age-matched five preterm children with normal neurodevelopment were recruited from follow up clinics. Proinflammatory gene expression in the PBMCs from preterm children were determined by Superarray PCR study.

2010-05-22 | E-GEOD-17390 | biostudies-arrayexpress

Clinically Relevant Copy Number Variations Detected in Cerebral Palsy

Project description:Cerebral palsy (CP) represents a group of non-progressive clinically heterogeneous disorders that are characterized by motor impairment and early age-of-onset, frequently accompanied by co-morbidities. The cause of CP has historically been attributed to environmental stressors resulting in brain damage. While genetic risk factors are also implicated, guidelines for diagnostic assessment of CP do not recommend for routine genetic testing. Given numerous reports of etiologic copy number variations (CNVs) in other neurodevelopmental disorders, we used microarrays to genotype a population-based prospective cohort of children with CP and their parents. Here we identify de novo CNVs in 8/115 (7.0%) CP patients (~1% rate in controls). In four children, large chromosomal abnormalities deemed pathogenic were found, and they were significantly more likely to have severe neuro-motor impairments than those CP subjects without such alterations. Overall the CNV data would have impacted our diagnosis or classification of CP in 11/115 (9.6%) families. Dr. Maryam Oskoui* , Mr. Matthew Gazzellone* , Ms. Bhooma Thiruvahindrapuram , Dr. Mehdi Zarrei , Dr. John Andersen , Dr. John Wei , Dr. Zhouzhi Wang , Dr. Richard Wintle , Dr. Christian Marshall , Dr. Ronald Cohn , Dr. Rosanna Weksberg , Dr. James Stavropoulos , Dr. Darcy Fehlings , Dr. Michael Shevell, Dr. Stephen Scherer. Clinically Relevant Copy Number Variations Detected in Cerebral Palsy. Nature Communications, 2015. Following our rigorous quality control procedure, we successfully genotyped 147 proband samples from individuals with cerebral palsy (81 males and 66 females) and 282 samples obtained from parents (134 males and 148 females). This facilitated the identification of de novo and rare inherited copy number variations of clinical interest.

2015-07-28 | E-GEOD-70374 | biostudies-arrayexpress

Genome-wide analysis of circular RNAs in cerebral palsy

Project description:Cerebral palsy (CP) is a spectrum of non-progressive motor disorders caused by brain injury during fetal or postnatal periods. Current diagnosis of CP mainly relies on neuroimaging and motor assessment, and we aimed to explore novel biomarkers for CP diagnosis in the present study. Blood plasma from five CP children and their healthy twin brothers/sisters was analyzed by gene microarray to screen out differential expressed circular RNAs (circRNAs).

2021-09-01 | GSE183021 | GEO

Clinically Relevant Copy Number Variations Detected in Cerebral Palsy

2015-07-28 | GSE70374 | GEO

Homo sapiens

Project description:A Dysregulated Proinflammatory Status in Preterm School-aged Children with PVL-induced Spastic Cerebral Palsy

| PRJNA118827 | ENA

Surfactant plus budesonide decreases lung and systemic responses to injurious ventilation in preterm sheep

Project description:Background: Intratracheal budesonide mixed with surfactant has been investigated as an alternative to decrease lung injury and prevent bronchopulmonary dysplasia in preterm infants. However, possible systemic effects are not known. Our goal was identify systemic effects of intra-tracheal instilled budesonide by transcriptome analysis of the brain and lung in a preterm lamb model of mechanical ventilation. Methods: We performed RNA-sequencing of the fetal periventricular white matter and liver from preterm sheep after treatment with intratracheal budesonide mixed with surfactant or surfactant alone followed by mechanical ventilation. Unventilated animals were used as controls. mRNA profiles were generated from polyA selected RNA using Illumina platform. Read sequences were aligned to the sheep genome (Oar 4.0) using Bowtie2 followed read counts using featureCounts. We performed differential expression analysis using EdgeR. Results: We identified large and significant gene expression genes both in the liver and in the priventricular white matter in animals treated with budesonide+surfactant compared to surfactant alone and unventilated animals. There were complexes synergies and antagonism of effect of ventilation and budesonide on gene expression. Ventilation induced inflammatory signaling in the periventricular white matter and liver which was partially antagonized by budesonide. Budesonide also suppressed developmental pathways in the periventricular white matter. Conclusions: Intratracheal budesonide had systemic effects including suppression of developmental pathways in the brain. These effects could have clinical implication in affecting the neurodevelopmental outcomes of preterm newborns.

2019-11-26 | GSE131195 | GEO

Preterm birth CVF proteomics discovery

Project description:Preterm birth, defined as birth <37 weeks of gestation, is a leading cause of infant morbidity and mortality. In the United States, approximately 12% of all births are preterm.1 Despite decades of research, there has been little progress in developing effective interventions to prevent preterm birth. In fact, the rate of preterm birth has increased slightly over the last several decades.2 The ultimate goal of the Genomic and Proteomic Network for Preterm Birth Research (GPN-PBR) is to identify possible biomarkers that could predict the susceptibility to spontaneous preterm birth (SPTB) as well as to shed light on the molecular mechanisms involved in its etiologies. Understanding those mechanisms will help us predict SPTB and may facilitate the introduction of more effective prevention and treatment strategies.

2014-08-28 | PXD001268 | Pride

Extracellular vesicle characteristics and microRNA content in cerebral palsy and typically developed individuals at rest and in response to aerobic exercise [EV]

Project description:In this study, the properties of circulating EVs were examined in cerebral palsy (CP) and typically developed (TD) individuals at rest and after aerobic exercise. We performed smallRNA-seq anf focused on the microRNA cargo of EVs

2022-12-10 | GSE218103 | GEO

Metaproteome of preterm infant gut microbiome

Project description:91 preterm infant gut metaproteomes measured in technical duplicate using an eleven salt pulse 2D-LC-MS/MS method. Samples represent 17 preterm infants over the first several weeks of life, of which 6 preterm infants eventually developed necrotizing enterocolitis.

| MSV000086096 | MassIVE

TNAP - a potential cytokine in the cerebral inflammation in Spastic Cerebral Palsy

Project description:Our study was designed to pinpoint the chief molecule playing the specific and critical role in the neuroinflammation in spastic CP, which may provide promising target for diagonosis and treatment of spastic CP. To further our exploration, our future study will focus on the molecular mechanism of how TNAP regulates the pro- inflammatory factors related to CP neuroinflammation

2022-08-26 | PXD034911 | Pride

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