Fig. 2
High [Ca2+]o increases the expression of TRPV2 and the secretion of inflammatory cytokines in MM cells. a The levels of serum calcium in ISS stage III were significantly higher than those in patients with ISS stage I & II (P = 0.001). b The levels of serum calcium were significantly high in incipient MM patients with bone lesions (P = 0.0001). c Western blot analyses of TRPV2 expression variation in plasma membrane and intracellular levels. d Western blot analyses of plasma membrane and total TRPV2 expression variation in LP-1 and ARP-1 treated with a range of [Ca2+]o concentrations. e and f qRT-PCR and ELISA analyses showing RANKL expression of MM cells incubated with a range of [Ca2+]o concentrations. *P < 0.05; **P < 0.01; ***P < 0.001