interesting biological effects mainly related to their antiviral and antitumor properties. On the
other hand, copper compounds also show different biological and pharmacological effects in
cell culture and in animal models. We report herein for the first time, a detailed study of the
mechanisms of action of a copper (II) compound of the group of HPOMs with the formula K 7
Na 3 [Cu 4 (H 2 O) 2 (PW 9 0 34) 2] 20H 2 O (PW 9 Cu), in a model of human osteosarcoma …