IDH1 and glioblastoma: In addition, a data-independent acquisition mass spectrometry (DIA-MS)-based proteomics analysis of 50 tumor and 30 serum samples from short- and long-term survivors (STS and LTS, respectively) of IDH-wildtype GBM found that FABP7 levels were lower in tumors of the STS group than in tumors of the LTS group [51].