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This chapter describes the processes for searching studies within caIntegrator.

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bioDbNet Search

Expression Level Selection

Additional fields display for the Expression Level selection.

1. Select the range type from the following options:
   
   • >=: Greater than the entered value
   • <=: Less than the entered value
   • Inside Range: Looks for all matching values that occur between the two levels you enter
   • Outside Range: Looks for all matching values that are not in between the two levels that you enter.
     The range of possible values is determined on the array side; the value is affected by the array type and the sample's behavior.
2. Enter the Expression Level appropriate for your query. The value that you enter is compared to the expression levels that are reported by the probes on the array platform. The probe value is typically a normalized value.This criteria changes slightly based the range type you select.
   The default value of 100 is a fixed default and does not reflect any values on the array. It simply represents a starting point for the query.
3. Continue with step 6 in Searching a caIntegrator Study.

Fold Change Selection

Additional fields display for the Fold Change selection. The fold change option appears only if genomic control samples have been uploaded to the study. Fold change identifies genes with expression differences compared to control samples, as defined when the study was deployed in caIntegrator. You can enter query values in greater/lesser-than-or-equal-to arguments.

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After running a search, you can export the result set or a subset as a tab-delimited text file. For more information, see Exporting Data.

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