How can I view/access gene sets from the v2.5 release of MSigDB?
The MSigDB v2.5 files are archived and are still available for download on the Downloads page. Scroll down to the bottom of the page to the ‘Archived releases’ section. You can also view these archived sets using the MSigDB Browser in the GSEA desktop application (refer to the GSEA 2.0.7 Release Notes for further instructions). You can also check here to see which gene sets have been deprecated or renamed.