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. 2020 Oct 9;10:588530. doi: 10.3389/fonc.2020.588530

FIGURE 6.

FIGURE 6

Correlations among serine hydroxymethyltransferase (SHMT2), programmed cell death-ligand 1 (PD-L1), CKLF-like MARVEL transmembrane domain containing 6 (CMTM6), V-type immunoglobulin domain-containing suppressor (VISTA), B7-H4, Slug, and CD317 in the oral squamous cell carcinoma (OSCC) microenvironment. (A) Representative hematoxylin–eosin and immunohistochemical staining of SHMT2, PD-L1, CMTM6, VISTA, B7-H4, Slug, and CD317 in OSCC. The scale bar represents 50 μm. (B) Strongly positive correlations among SHMT2, PD-L1, CMTM6, VISTA, B7-H4, Slug, and CD317 in OSCC shown by hierarchical clustering. The color scale represents the levels of histoscores.