How do I find and download expression data using BioMart?
Overview
You can use the GXD BioMart to search for detailed expression using a variety of parameters and then export these data for use in further analyses in your lab.
Accessing the GXD BioMart
Click on the Expression tab as shown at right.
Expression Tab
Click on GXD BioMart in the lower left corner of the Gene Expression Database (GXD) page. Scroll down this page for further instructions.
GXD page

Example 1. Finding and downloading expression data that demonstrate gene expression in the midbrain
  1. Click Filters at upper left.

  2. Check the box next to Anatomical Structure and type midbrain in the text box.

  3. Check the box next to Expression and leave the default menu selection as Detected.
GXD BioMart
  1. Click Count at upper left to obtain a count of the number of records to be returned by the search.

  2. Click Results to retrieve data.
Biomart Count
  1. By default only the first 10 records will be shown. To view all output in HTML, change 10 to All rows as HTML in the drop-down menus. You can also change the output from HTML to tab-separated values (TSV), and can then copy and paste text into Excel.
BioMart Results