SPECIAL ISSUE CONTENTS the adult and agi Werstand M.E. Wilson, S.W. Rau, M. Béttner, K.L. Rosewe Interactions of estrogens and insulin-like growth factor-I in the brain: implications for neuroprotection G.P. Cardona-Gomez, P. Mendez, L.L. DonCarlos, I. Azcoitia, I M. Garcia-Segura (Spain, USA) Estrogen neuroprotection: the involvement of the Bcl-2 binding protein BNIP2 S. Belcredito, E. Vegeto, A. Brusadelli, S. Ghisletti, P. Mussi, P. Ciana, A. Maggi (Italy) Progesterone synthesis and myelin formation in peripheral nerves M. Schumacher, R. Guennoun, G. Mercier, F. Désarnaud, P. Lacor, J. Benavides, B. Ferzaz, F. Robert Bau Neuroactive steroids and peripheral myelin proteins V. Magnaghi, |. Cavarretta, M. Galbiati, L. Martini, R-C. Melcangi (Italy) Neuroprotective effects of gonadal steroids on regenerating peripheral motoneurons K.J. Jones, T.J. Brown, M. Damaser (USA) Author Index