55- килодалтоновия (p55) и 75- килодалтоновия (п75) рецептори за тумор некротизиращия фактор (TNFR).
TNF and lymphotoxin are pro- inflammatory cytokines that bind to two distinct cell surface receptors: the 55-kilodalton (p55) and 75-kilodalton (p75) tumour necrosis factor receptors (TNFRs).