P2 receptors in human heart: upregulation of P2X(6) in patients undergoing heart transplantation, interaction with TNF alpha and potential role in myocardial cell death

C Banfi, S Ferrario, O De Vincenti, S Ceruti, M Fumagalli, A Mazzola, N D'Ambrosi, C Volonte, P Fratto, E Vitali, G Burnstock, E Beltrami, A Parolari, G Polvani, P Biglioli, E Tremoli, MP Abbracchio