Fig. 1From: CD137 agonist induces gastric cancer cell apoptosis by enhancing the functions of CD8+ T cells via NF-κB signalingPoor infiltration of CD8+ T cells, but accumulation of Tregs, in GC. a Foxp3 expression the GCs was detected using IHC. b The cell densities of Foxp3 are depicted per square mm. c CD8 expression of GCs was detected using IHC. d The cell densities of CD8 are depicted per square mm. Bars = mean ± SD. ***P < 0.001Back to article page