1. Blockage of Na⁺ currents through poorly selective cation channels in the apical membrane of frog skin and toad urinary bladder

   • Willy Van Driessche
   • Luc Desmedt
   • Jeannine Simaels

   OriginalPaper Pages: 193 - 203

2. Blockade of Cl channels by organic and inorganic blockers in vascular smooth muscle cells

   • S. Kokubun
   • A. Saigusa
   • T. Tamura

   OriginalPaper Pages: 204 - 213

3. Announcement

   Announcement Pages: 213 - 213

4. Effects of ATP antagonists on purinoceptor-operated inward currents in rat phaeochromocytoma cells

   • Ken Nakazawa
   • Kazuhide Inoue
   • Akira Takanaka

   OriginalPaper Pages: 214 - 219

5. Announcement

   Announcement Pages: 219 - 219

6. Receptors for neurohypophyseal hormones along the rat nephron: ¹²⁵I-labelled d(CH₂)₅[Tyr(Me)², Thr⁴, Orn⁸, Tyr-NH ₂ ⁹ ] vasotocin binding in microdissected tubules

   • Abderrahim Ammar
   • Anne Schmidt
   • Daniel Butlen

   OriginalPaper Pages: 220 - 227

7. Oxygen-dependent erythropoietin production by the isolated perfused rat kidney

   • H. Scholz
   • H. -J. Schurek
   • C. Bauer

   OriginalPaper Pages: 228 - 233

8. Stereoselective interaction of tocainide and its chiral analogs with the sodium channels in human myoballs

   • D. Tricarico
   • B. Fakler
   • R. Rüdel

   OriginalPaper Pages: 234 - 237

9. Alterations of ionic currents after reoxygenation in isolated cardiocytes of guinea-pigs

   • K. Benndorf
   • M. Friedrich
   • H. Hirche

   OriginalPaper Pages: 238 - 247

10. Reoxygenation-induced arrhythmogenic transient inward currents in isolated cells of the guinea-pig heart

    • K. Benndorf
    • M. Friedrich
    • H. Hirche

    OriginalPaper Pages: 248 - 260

11. Activation of ATP-sensitive K channels by a K channel opener (SR 44866) and the effect upon electrical and mechanical activity of frog skeletal muscle

    • M. -P. Sauviat
    • E. Ecault
    • I. Findlay

    OriginalPaper Pages: 261 - 265

12. N ^G-nitro-l-arginine antagonizes endothelium-dependent dilator responses by inhibiting endothelium-derived relaxing factor release in the isolated rabbit heart

    • Daniel Lamontagne
    • Ulrich Pohl
    • Rudi Busse

    OriginalPaper Pages: 266 - 270

13. A high-conductance Ca²⁺-activated K⁺ channel in cultured human eccrine sweat gland cells

    • R. M. Henderson
    • A. W. Cuthbert

    OriginalPaper Pages: 271 - 275

14. Polarized expression of Na⁺/H⁺ exchange activities in clonal LLC-PK₁ cells (Clone₄ and PKE₂₀)

    • Valeria Casavola
    • Corinna Helmle-Kolb
    • Heini Murer

    OriginalPaper Pages: 276 - 283

15. Calcium action potentials in innervated and denervated rat muscle fibres

    • Osvaldo Delbono
    • Basilio Aristidis Kotsias

    OriginalPaper Pages: 284 - 291

16. Characterization of an outward K⁺ current in freshly dispersed cerebral arterial muscle cells

    • P. Bonnet
    • Nancy J. Rusch
    • D. R. Harder

    OriginalPaper Pages: 292 - 296

17. Altered gating and conductance of Na⁺ channels in hyperkalemic periodic paralysis

    • F. Lehmann -Horn
    • P. A. Iaizzo
    • Ch. Franke

    Short Communication Pages: 297 - 299

18. Abstracts of the Società Italiana di Fisiologia of the XVI Riunione Primaverile (Spring Meeting) 24–26 May 1989, Firenze, Italy

    Abstract Pages: R121 - R139