1. Tight junctions and apical/basolateral polarity

   • Marcelino Cereijido
   • Arturo Ponce
   • Lorenza Gonzalez-Mariscal

   Topical Review Pages: 1 - 9

2. Cytoplasmic free Ca in isolated snail neurons as revealed by fluorescent probe fura-2: Mechanisms of Ca recovery after Ca load and Ca release from intracellular stores

   • P. G. Kostyuk
   • S. L. Mironov
   • P. V. Belan

   Articles Pages: 11 - 18

3. Ca²⁺ and cAMP activate K⁺ channels in the basolateral membrane of crypt cells isolated from rabbit distal colon

   • Donald D. F. Loo
   • Jonathan D. Kaunitz

   Articles Pages: 19 - 28

4. Activation kinetics of single high-threshold calcium channels in the membrane of sensory neurons from mouse embryos

   • P. G. Kostyuk
   • Ya. M. Shuba
   • V. I. Teslenko

   Articles Pages: 29 - 38

5. Single chloride-selective channel from cardiac sarcoplasmic reticulum studied in planar lipid bilayers

   • Eric Rousseau

   Articles Pages: 39 - 47

6. Ca²⁺-activated K⁺ channels from cultured renal medullary thick ascending limb cells: Effects of pH

   • Miguel Cornejo
   • Sandra E. Guggino
   • William B. Guggino

   Articles Pages: 49 - 55

7. Pre-steady-state analysis of the turn-on and turn-off of water permeability in the kidney collecting tubule

   • Michio Kuwahara
   • A. S. Verkman

   Articles Pages: 57 - 65

8. Conformational transitions and charge translocation by the Na,K pump: Comparison of optical and electrical transients elicited by ATP-concentration jumps

   • W. Stürmer
   • H. -J. Apell
   • P. Läuger

   Articles Pages: 67 - 86

9. Characterization of a Na⁺/glucose cotransporter cloned from rabbit small intestine

   • Tyson S. Ikeda
   • Eun-Sil Hwang
   • Ernest M. Wright

   Articles Pages: 87 - 95