Figure 5 shows a fraction of the mass spectra of all samples, where the peak at peptide mass MH+ of 1155.6643 Da of Myosin-9 displays an increased intensity in glioma samples represented by the dark lines, while the first isotopic mass of Neurofilament triplet L protein at 1154.7128 Da, represented by the grey lines, is as expected not present in glioma vessels. Here, NEFL is linked to glioma.