Identification of a Gene Prognostic Signature for Oral Squamous Cell Carcinoma by RNA Sequencing and Bioinformatics

Figure 7

The transcription level of the six key genes in OSCC according to UALCAN. (a–f) Expression levels of SPRR2E, ICOS, HTR1D, CTLA4, and CCR4 were significant differentially expressed between tumorous and adjacent normal tissues in HNSCC (black star represents value <0.05; N.S represents no significance).

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