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. 2021 Feb 22;10:600762. doi: 10.3389/fonc.2020.600762

Figure 1.

Figure 1

MLK3 is highly expressed in high-grade human glioma specimens. (A–C) MLK3 protein levels are upregulated in high-grade gliomas. (A) Representative immunohistochemistry IHC images of MLK3 in human glioma tissues. Scale bars, 50 μm. (B) MLK3 expression in para-tumor tissues (n = 25) and glioma tissues (n = 97). (C) Comparison of MLK3 expression between low-grade (grade I and II, n = 29) and high-grade (grade III and IV, n = 68) glioma tissues. Mann-Whitney U test. **P < 0.01. (D) The variation of MLK3 levels in the same grade gliomas. Mann-Whitney U test, **P < 0.01. (E, F) MLK3 mRNA levels are upregulated in high-grade gliomas. mRNA sequencing-based glioma datasets from Oncomine database (E) and the CGGA database (F) were analyzed by two-tailed Student’s t-tests and one-way ANOVA. NS, not significant. **P < 0.01. (G) The variation of MLK3 mRNA levels in the same grade gliomas. Two-tailed Student’s t-tests, **P < 0.01.