TNFRSF11B and otosclerosis: IL-1β transcript was detected in 46 virus-positive (93.8 %) and in 10 virus-negative (83.3 %) stapes obtained from patients with otosclerosis OPG transcript was detectable in only 18 virus-positive (36.7 %) and in 5 virus-negative (41.7 %) patient’s stapes.