Taylor and Francis Group, OncoImmunology, 10(3), p. e958951
DOI: 10.4161/21624011.2014.958951
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Mechanisms controlling immune reactivity prevent excessive inflammation and autoimmunity, but generally dampen antitumor activity. We recently showed that adoptively transferred antitumor CD8(+) T cells harboring a deletion of A20/Tnfaip3, a molecule controlling NF-κB activation, possessed heightened antitumor activity in vivo. The boosted immunity of A20-deleted CD8(+) T cells correlated with a heightened capacity to produce IFNγ and TNFα while expressing reduced levels of the immune checkpoint molecule PD-1.