METTL14 and neoplasm: In addition, in the GEPIA database, the immune markers of CD4+ T cell, T cell (general), monocyte, tumor-associated macrophage (TAM), T helper 1 (Th1) cell, Th2 cell, Th17 cell, T follicular helper cell (Tfh), regulatory T cell (Treg), natural killer cell, and T cell exhaustion also showed positive correlations with METTL14 expression levels (Table 1).