text: user734: Are there databases that contain information about gene or protein expression before and after targeted therapy or chemotherapy? 
  I am curious about different cancer cell lines or cancer types. 
  Any suggestion on a set of resources I should look into?
  
  user3541: One such database/tool is “[PharmacoGx][1]: an R package for analysis of large pharmacogenomic datasets.” Bioinformatics (Oxford, England).
  They brought together a large compendium of experimental data (cell lines and the like if I remember correctly from a talk), standardized these and made available within a special object class. I think there is genomic and transcriptomic data, not sure if there is proteomic data though.
  
original_text: 734: <p>Are there databases that contain information about gene or protein expression before and after targeted therapy or chemotherapy? </p>
  
  <p>I am curious about different cancer cell lines or cancer types. </p>
  
  <p>Any suggestion on a set of resources I should look into?</p>
   3541: <p>One such database/tool is <code>“[PharmacoGx][1]: an R package for analysis of large pharmacogenomic datasets.” Bioinformatics (Oxford, England)</code>.</p>
  
  <p>They brought together a large compendium of experimental data (cell lines and the like if I remember correctly from a talk), standardized these and made available within a special object class. I think there is genomic and transcriptomic data, not sure if there is proteomic data though.</p>
  