The analyses revealed that the expression of a single gene (DOK3) was significantly increased in various cancers, including OSCC (P < 0.001) (Fig. 3A), and DOK3 expression could be positively correlated with the M2-TAMs infiltration in OSCC (r = 0.72, P < 0.001) (Fig. 3B), and the effect of DOK3 expression on M2-TAMs infiltration was significantly increased after P. gingivalis treatment (P < 0.0001) (Fig. 3C). Here, DOK3 is linked to cancer.