- Synergistic interaction between adenosine A2A and glutamate mGlu5 receptors: implications for striatal neuronal function. Ferré, S., Karcz-Kubicha, M., Hope, B.T., Popoli, P., Burgueño, J., Gutiérrez, M.A., Casadó, V., Fuxe, K., Goldberg, S.R., Lluis, C., Franco, R., Ciruela, F. Proc. Natl. Acad. Sci. U.S.A. (2002)