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. 2018 Dec 14;9(98):37097–37111. doi: 10.18632/oncotarget.26365

Figure 1. IDH1/2 WT LGGs have increased TAGLN2 expression compared to IDH1/2 mutant gliomas and TAGLN2 mRNA expression correlates with glioma grade.

Figure 1

(A) TAGLN2 mRNA was expressed at significantly higher levels in IDH1/2 WT tumors compared to IDH1/2 mutant tumors in both our institutional (p-value=7.73×10−5; FDR=0.053) and the validation TCGA (p-value <0.0001; FDR < 0.0001) cohorts. (B) Mass spectrometry identified higher TAGLN2 protein expression in IDH1/2 WT compared to IDH1/2 mutant LGG from our institutional cohort. Six different peptides corresponding to TAGLN2 protein were expressed at significantly up-regulated in IDH1/2 WT compared to IDH1/2 mutant tumors. (C) Publicly available TAGLN2 mRNA expression of all Grade II (G2, n=249), III (G3, n=265) and IV (GBM, n=153) gliomas from the TCGA database are significantly different (p<0.0001). (D) TAGLN2 expression in IDH1/2 WT Grade II (n=21), III (n=52) and IV (n=133) tumors from TCGA data was significantly different (p=5.136×10−20).