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. 2013 Sep 11;3:231. doi: 10.3389/fonc.2013.00231

Figure 3.

Figure 3

Metabolic alterations within the tumor microenvironment. The cartoon summarizes the metabolic alterations often found within the tumor microenvironment that may impact on T cell fitness. See the text for more details. ATP, Adenosine-5′-triphosphate; HIF-1, hypoxia inducible factor 1; ROS, reactive oxygen species; TRX, thioredoxin.