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  • Find Structure ID for "thalamus" (id = 10390)
    Code Block
    http://api.brain-map.org/api/v2/data/query.xml?criteria=model::Structure,
    rma::criteria,[name$il'thalamus'],ontology[name$eq'Developing Human Brain Atlas'],
    rma::options[only$eq'structures.id']
    
  • Find Structure ID for "transient structures of forebrain" (id = 10506)
    Code Block
    http://api.brain-map.org/api/v2/data/query.xml?criteria=model::Structure,
    rma::criteria,[name$il'transient structures of forebrain'],ontology[name$eq'Developing Human Brain Atlas'],
    rma::options[only$eq'structures.id']
    
  • Use Structure IDs as parameters to the connected service
    Code Block
    http://api.brain-map.org/api/v2/data/query.xml?criteria=service::dev_human_microarray_differential
        [structures1$eq10506][structures2$eq10390][sort_by$eq'fold-change']
    
  • Visualize the same search result in the Web application 

Image RemovedImage Added

Figure: Screenshot of top returns of a differential search for genes with higher expression in the thalamus than the cerebral cortextransient structures of forebrain. Z-score heatmap shows enrichment (red) in the thalamus (structure color: light green) compare to other brain regions.

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