Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2007-4-17
pubmed:abstractText
Asthma is a complex polygenic disease involving the interaction of many genes. In this study, we investigated the allergic response in experimental asthma. First, we constructed a biological interaction network using the BOND (Biomolecular Object Network Databank) database of literature curated molecular interactions. Second, we mapped differentially expressed genes from microarray data onto the network. Third, we analyzed the topological characteristics of the modulated genes. Fourth, we analyzed the correlation between the topology and biological function using the Gene Ontology classifications. Our results demonstrate that nodes with high connectivity (hubs and superhubs) tend to have low levels of change in gene expression. The significance of our observations was confirmed by permutation testing. Furthermore, our analysis indicates that hubs and superhubs have significantly different biological functions compared with peripheral nodes based on Gene Ontology classification. Our observations have important ramifications for interpreting gene expression data and understanding biological responses. Thus, our analysis suggests that a combination of differential gene expression plus topological characteristics of the interaction network provides enhanced understanding of the biology in our model of experimental asthma.
pubmed:grant
pubmed:commentsCorrections
http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-11333967, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-12110844, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-12119602, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-12202830, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-14735121, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-15175677, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-15190252, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-1547488, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-15576672, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-16395390, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-16542654, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-16840363, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-16884331, http://linkedlifedata.com/resource/pubmed/commentcorrection/17437023-8843798
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
1744-4292
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
3
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
98
pubmed:dateRevised
2009-11-18
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Hubs in biological interaction networks exhibit low changes in expression in experimental asthma.
pubmed:affiliation
Department of Family and Preventive Medicine, University of California at San Diego, San Diego, CA, USA. xinlu@ucsd.edu
pubmed:publicationType
Congresses, Research Support, N.I.H., Extramural