- Stimulation of rat pancreatic tumoral AR4-2J cell proliferation by pituitary adenylate cyclase-activating peptide. Buscail, L., Cambillau, C., Seva, C., Scemama, J.L., De Neef, P., Robberecht, P., Christophe, J., Susini, C., Vaysse, N. Gastroenterology (1992)