103. SAURA, C., CIRUELA, F., CASADO, V., CANELA, E.I., MALLOL, J., LLUIS, C. and FRANCO, R. (1996) Adenosine deaminase interacts with A1 adenosine receptors in pig brain cortical membranes. J. Neurochem. 66, 1675-1682.

104. CIRUELA, F., SAURA, C., CANELA E.I., MALLOL, J., LLUIS C. AND FRANCO, R. (1996) Adenosine deaminase affects ligand-induced signalling by interacting with cell surface adenosine receptors. FEBS letters. 380, 219-223.

105.FRANCO, R., CASADO, V., CIRUELA, F., MALLOL, J., LLUIS, C., CANELA, E.I. (1996) The cluster-arranged cooperative model: A model that accounts for the binding kinetics to A₁ adenosine receptors. Biochemistry. 35, 3007-3015.

106. VALENZUELA, A., BLANCO, J., CALLEBAUT, C., JACOTOT, E., LLUIS, C., HOVANESSIAN, A.G., FRANCO, R. (1997) Adenosine deaminase binding to human CD26 is inhibited by HIV-1 envelope glycoprotein gp120 and viral particles. J. Immunol. 158, 3721-3729.

107. FRANCO, R., CASADO, V., CIRUELA, F., SAURA, C., MALLOL, J., CANELA, E.I., LLUIS, C. (1997) Cell surface adenosine deaminase: much more than an ectoenzyme. Progress Neurobiol. 52, 283-294.

108. MIRABET, M., MALLOL, J., LLUIS, C. and FRANCO, R. (1997) Dipropylcyclopentylxanthine triggers apoptosis in Jurkat T cells by a receptor-independent mechanism. Cell Death Differentiation. 4, 639-646.

109. MIRABET, M., NAVARRO, A., LOPEZ, A., CANELA, E.I., MALLOL, J., LLUIS, C., FRANCO, R. (1997) Ammonium toxicity in different cell lines. Biotechnol. Bioeng. 56, 530-537.

110. NAVARRO, A., ZAPATA, R., CANELA, E.I., MALLOL, J., LLUIS, C., FRANCO, R. (1997) Modulation of GH₄ cell cycle via A₁ adenosine receptors. J. Neurochem. 69, 2145-2154.

111. ZAPATA, R., NAVARRO, A., CANELA, E.I., FRANCO, R., LLUIS, C., MALLOL, J. (1997) Regulation of L-type calcium channels in GH₄ cells via A₁ adenosine receptors. J. Neurochem. 69, 2546-2554.

112. CIRUELA, F., SAURA, C., CANELA, E:I., MALLOL, J., LLUIS, C., FRANCO, R. (1997) Ligand-induced phosphorylation, clustering and desensitization of A₁ adenosine receptors. Mol. Pharmacol. 52, 788-797.

113. VALENZUELA, A., BLANCO, J., CALLEBAUT, C., JACOTOT, E., LLUIS, C., HOVANESSIAN, A.G., FRANCO, R. (1997) HIV-1 envelope glycoprotein gp120 and viral particles block adenosine deaminase binding to human CD26. In "Cellular Peptidases in Immune Functions and Diseases". S. Ansorge and J. Langner eds. Plenum Press, New York. pp. 185-192.

114. VALENZUELA, A., BLANCO, J., KRUST, B., FRANCO, R., HOVANESSIAN, A.G. (1997) Neutralizing antibodies against the V3 loop of the HIV-1 gp120 block the CD4-dependent and -independent binding of virus to cells. J. Virol. 71, 8289-8298.

115. MIRABET, M., MALLOL, J., LLUIS, C., FRANCO, R. (1997) Calcium mobilization in Jurkat T cells via A_2B receptors. Br. J. Pharmacol. 122, 1075-1082.

116. FRANCO, R., VALENZUELA, A., LLUIS, C., BLANCO, J. (1998) Enzymatic and extraenzymatic role of ecto-adenosine deaminase in lymphocytes. Immunol. Rev. 161, 27-42.

117. MIRABET, M., MALLOL, J., LLUIS, C., FRANCO, R. (1998) Dipropylcyclopentylxanthine triggers apoptosis in cells from patients with myeloid leukemia. Apoptosis. 3, 183-193.

118. SAURA, C.A., MALLOL, J., CANELA, E.I., LLUIS, C., FRANCO, R. (1998) Adenosine deaminase and A₁ adenosine receptors internalize together following agonist-induced receptor desensitization. J. Biol. Chem. 273, 17610-17617.

119. LLUIS, C., CORDERO, O., FRANCO, R. (1998) Ecto-adenosine deaminase may play a relevant role in the development of the immune system. Immunol. Today 19, 533-534.

(Submitted papers not included).

R. Franco publications