Article · Wikipedia archive·Last revised Jun 7, 2026
CD120
CD120 can refer to two members of the tumor necrosis factor receptor superfamily: tumor necrosis factor receptor 1 (TNFR1) and tumor necrosis factor receptor 2 (TNFR2).
There are two variants of the receptor, each encoded by a separate gene:
CD120a - TNFR1 - TNFR superfamily member 1A
CD120b - TNFR2 - TNFR superfamily member 1B
TNFR1 is the receptor type responsible for mediation of TNF-alpha induced sickness behavior,3 and is involved in neurotoxic processes.4 Elevated levels of TNFR1 has been found in severe mental disorders.5
Signaling pathway
Signaling pathway of TNF-R1. Dashed grey lines represent multiple steps source ↗See also