Project description:Blood serum from 160 Childhood Asthma Management Program (CAMP) subjects were microRNA profiles with 13 subjects profiled twice. Each subject has diverse clinical phenotypes notably spirometry related phenotypes.

2016-06-09 | GSE74770 | GEO

Gene expression of peripheral blood in healthy, moderate asthma, and severe asthma patients from the IMSA cohort

Project description:Identification and characterization of gene expression using Next Generation Sequencing (NGS) of mRNA sequence from whole peripheral blood obtained from asthma patients with varying clinical disease severity

2022-07-11 | GSE207751 | GEO

Gene expression profiling of peripheral blood from uncontrolled and controlled asthma

Project description:We analyzed the transcriptomes of children with controlled and uncontrolled asthma in Taiwanese Consortium of Childhood Asthma Study (TCCAS). Hierarchical clustering, differentially expressed gene (DEG), weighted gene co-expression network analysis (WGCNA) and pathway enrichment methods were performed, to investigate important genes between two groups.

2021-11-09 | GSE188424 | GEO

Genetic variants regulating ORMDL3 expression are determinants of susceptibility to childhood asthma

Project description:Asthma is caused by a combination of poorly understood genetic and environmental factors. We found multiple markers on chromosome 17q21 to be strongly and reproducibly associated with childhood onset asthma in family and case-referent panels with a combined P < 10-12. In independent replication studies the 17q21 locus showed strong association with diagnosis of childhood asthma in 2,320 subjects from a cohort of German children (P = 0.0003) and in 3,301 subjects from the British 1958 Birth Cohort (P = 0.0005). We systematically evaluated the relationships between markers of the 17q21 locus and transcript levels of genes in EBV-transformed lymphoblastoid cell lines from children in the asthma family panel used in our association study. The SNPs associated with childhood asthma were consistently and strongly associated (P <10-22) in cis with transcript levels of ORMDL3, a member of a gene family that encode transmembrane proteins anchored in the endoplasmic reticulum. The results indicate that genetic variants regulating ORMDL3 expression are determinants of susceptibility to childhood asthma. Experiment Overall Design: Gene expression levels were evaluated in 404 children. We then evaluated the relationship between SNPs in the 17q21 region (which show association to asthma in the same children) with gene expression levels. See http://www.sph.umich.edu/csg/liang/asthma/

2007-11-09 | E-GEOD-8052 | biostudies-arrayexpress

Gene Expression Patterns in Peripheral Blood Mononuclear Cells Associated with Asthma Exacerbation Attack

Project description:A large, prospective, non-interventional study was designed to study gene expression changes in peripheral blood mononuclear cells (PBMCs) associated with asthma exacerbations over the course of a year. PBMC samples were collected from subjects at the time of the study visits defined as 1) Quiet: during stable disease at 3 month intervals, 2) Exacerbation: during a 14 day period of deteriorating asthma and 3) Follow-up: within 14 days after cessation of an exacerbation. Gene expression levels during stable asthma, exacerbation, and two weeks after an exacerbation were compared. This series of samples comprises of peripheral blood mononuclear cells (PBMCs) collected during the following study visits (a) quiet (N=394 samples from 118 subjects), (b) exacerbation (N=166 samples from 118 subjects) and (c) follow-up (N=125 samples from 102 subjects)

2011-07-13 | E-GEOD-19301 | biostudies-arrayexpress

Difference analysis of microRNAs in peripheral blood of asthmatic children by high-throughput sequencing

Project description:Asthma is the most common chronic pulmonary disease in children. The pathogenesis of asthma is not fully understood,and existing treatments have little effect on some children.MicroRNAs(miRNAs) play a regulatory role in the occurrence and development of asthma,and miRNA therapy is a promising treatment for asthma.The purpose of this study was to explore the differential expression of miRNAs in peripheral blood of children with asthma and to find a miRNA that can alleviate asthma inflammation.We used high-throughput sequencing to analyze miRNA differences in peripheral blood between children with acute asthma attacks and healthy children,target gene prediction and functional enrichment analysis were performed for them..Overall,51 differentially expressed miRNAs were identified,with 9 being upregulated and 42 downregulated.

2024-10-07 | GSE263408 | GEO

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