BB Reviews on Biomembranes Vol. 1154, 1993 Cumulative Contents Information for contributors vil Inhibition of the multidrug resistance efflux pump P.W. Wigler and F.K. Patterson (USA) 173 Reviews Type I receptors for PACAP (a neuropeptide even more important than VIP?) Chemistry and energetics of transphosphoryla- J. Christophe (Belgium) 183 tions in the mechanism of Na*/K*-transport- Structure—function relationships of cation bind- ing ATPase: an attempt at a unifying model ing in the Na*/K*-ATPase K.R.H. Repke and R. Schén (Germany) | L.A. Vasilets and W. Schwarz (Russia, Ger- Mammalian passive glucose transporters: mem- many) 201 bers of an ubiquitous family of active and passive transport proteins Reviews S.A. Baldwin (UK) 17 Cell electropermeabilization: a new tool for bio- Sphingolipid breakdown products: anti-prolifera- chemical and pharmacological studies tive and tumor-suppressor lipids S. Orlowski and L.M. Mir (France) 51 Y.A. Hannun and C.M. Linardic (USA) 223 Iodide transport in the thyroid gland Ribosome-inactivating proteins from plants N. Carrasco (USA) 65 L. Barbieri, M.G. Battelli and F. Stirpe (Italy) 237 Indicators of conformational changes in the The molecular and cell biology of glycosyl- | Na* /K*-ATPase and their interpretation transferases | J.D. Robinson and P.R. Pratap (USA) 83 R. Kleene and E.G. Berger (Switzerland) 283 | — Liposomes as agents of DNA transfer Editorial v J.G. Smith, R.L. Walzem and J.B. German (USA) 327 Receptor-operated Ca?* signaling and crosstalk in stimulus secretion coupling Cumulative Contents, Vol. 1154 341 Y. Tsunoda (Japan) 105 Endogenous amino acid transport systems and Author Index 342 expression of mammalian amino acid transport proteins in Xenopus oocytes L.J. Van Winkle (USA)