Pinna A., Fenu S., M., Morelli (2001) Motor stimulants effects of the adenosine A_2A receptor antagonist SCH 58261 do not developed tolerance after repeated treatments in 6-hydroxydopamine lesioned rats. Synapse, 39, 233-239

Morelli M., Pinna A. (2001) Modulation by adenosine A_2A receptors of dopamine-mediated motor behavior as a basis for antiparkinson's disease drugs. Drug Dev. Res. 52, 387-393

Pinna A, Morelli M (2001) Interaction between dopamine and adenosine A2A receptors as a basis for the treatment of Parkinson's disease. Neurol Sci. Feb;22(1):71-2.

Carta A., Pinna A., Cauli O., M., Morelli (2002) Differential regulation of GAD67, enkephalin and dynorphin mRNA by chronic-intermittent L-dopa and A_2A receptor blockade plus L-dopa in dopamine-denervated rats. Synapse 44 (3), 166-174

Pinna A., Corsi C., Carta A.R., Valentini V., Pedata F. and M. Morelli (2002) Modification of adenosine extracellular levels and adenosine A_2A receptor mRNA by dopamine denervation. Eur. J. Pharmacol. 446 (1-3), 75-82

Corsi C, Pinna A, Gianfriddo M, Melani A, Morelli M, Pedata F. (2003) Adenosine A2A receptor antagonism increases striatal glutamate outflow in dopamine-denervated rats. Eur J Pharmacol. 7;464(1):33-8.

Cauli O, Pinna A, Valentini V and Morelli M (2003) Subchronic Caffeine Exposure Induces Sensitization to Caffeine and Cross-Sensitization to Amphetamine Ipsilateral Turning Behavior Independent from Dopamine Release.  Neuropsychopharm. 28 (10):1752-9.

Carta AR., A. Pinna, E. Tronci and M. Morelli (2003) Adenosine A_2A and dopamine receptor interactions in basal ganglia of dopamine denervated rats. Neurology  61: S39-43.

Carta AR., MA. Tabrizi, PG. Baraldi, A. Pinna, P. Pala, M. Morelli (2003) Blockade of A2A receptors plus L-DOPA after nigrostriatal lesion results in GAD67 changes different from L-DOPA alone in the rat globus pallidus and substantia nigra reticulata. Exp. Neurology 184: 679-687.

Casini A, Pinna A, Tooyama I, Kimura H, Di Chiara G, Renda TG: Fate of (D-Ala2)-deltorphin-I-like immunoreactive neurons in 6-hydroxydopamine lesioned rat brain. Eur J Histochem. Vol. 48(2), pp 135-40, 2004.