Hi,
first of all, I’m a big fan of your work, the portal is brilliant.
Unfortunately, I’ve repeatedly encountered the same issue with querying patients subpopulations according to mRNA expression. Even though mRNA expression data is available in the data set, cBioPortal tells me that is not available for querying with OQL. Can you provide a workaround or fix this potential bug?

Best,
Franz
Dr. Franz Ketzer
Institute for Clinical Chemistry and Pathobiochemistry
TUM Klinikum Rechts der Isar
+49894140-9124
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@JJ Gao can you comment? lets first see if there was a good reason to exclude the data from analysis or if i was a mistake.On Tue, Feb 10, 2026 at 11:44 AM Franz Ketzer <franz....@tum.de> wrote:If this doesn’t work, is there another way to check Survival of high and low expressing patient cohorts for a certain gene in these data sets?Von: Aaron L <lisman...@gmail.com>
Gesendet: Dienstag, Februar 10, 2026 4:34 PM
An: Franz Ketzer <franz....@tum.de>
Cc: cbiop...@googlegroups.com <cbiop...@googlegroups.com>
Betreff: Re: [cbioportal] mRNA profile not available
To view this discussion visit https://groups.google.com/d/msgid/cbioportal/CABbxrZNvHJC7vUYSivwSt6iQ%3DYjTzihY%2BWW4kfvXh_yU5FZQ3g%40mail.gmail.com.
Hi,
yes, it works now for the Fraser study I sent you. However, it doesn’t work for other studies, like this one:
Maybe it’s a general issue? Thanks for your help!