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Title: ChIP-chip analysis to determine GLI2 binding sites      
dateReleased:
07-10-2012
description:
Chromatin immunoprecipitation with anti-GLI2 antibody was conducted in human pulomonary microvascular endothelial cells (HPMECs) to determine GLI2 binding sites upstream of FOXF1. An unanticipated and tremendous amount of the non-coding sequences of the human genome are transcribed. Long non-coding RNAs (lncRNAs) are non-protein coding transcripts longer than 200 nucleotides and their functions remain enigmatic. We demonstrate that deletions of lncRNA genes cause a lethal lung developmental disorder, Alveolar Capillary Dysplasia with Misalignment of Pulmonary Veins (ACD/MPV), with parent of origin effects. We identify non-coding overlapping deletions 250 kb upstream to FOXF1 in nine patients with ACD/MPV that arose de novo specifically on the maternally inherited chromosome and delete a fetal lung-specific EST, part of an lncRNA. These deletions define distant cis-regulatory region that harbors a differentially methylated CpG island, binds GLI2 depending on the methylation status of this CpG island, and physically interacts with and up-regulates the FOXF1 promoter, consistent with the absence of the fetal lung-transcribed lncRNA perturbing FOXF1 regulation. LncRNA-mediated chromatin interactions may be responsible for position effect phenomenon and potentially cause many disorders of human development. ChIP-chip HPMECs transfected to overxpress GLI2; 2 biological replicates
privacy:
not applicable
aggregation:
instance of dataset
ID:
E-GEOD-39255
refinement:
raw
alternateIdentifiers:
39255
keywords:
functional genomics
dateModified:
05-03-2014
availability:
available
types:
gene expression
name:
Homo sapiens
ID:
A-GEOD-15735
name:
Agilent-030795 custom-designed human 16q24.1 region-specific 4x44K oligonucleotide microarray (hg19)
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-39255/E-GEOD-39255.raw.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-39255/E-GEOD-39255.processed.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE39255
storedIn:
Gene Expression Omnibus
qualifier:
not compressed
format:
HTML
accessType:
landing page
primary:
true
authentication:
none
authorization:
none
abbreviation:
EBI
homePage: http://www.ebi.ac.uk/
ID:
SCR:004727
name:
European Bioinformatics Institute
homePage: https://www.ebi.ac.uk/arrayexpress/
ID:
SCR:002964
name:
ArrayExpress

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