1. Molecular diversity of cyclic nucleotide-gated cation channels

   • Martin Biel
   • Xiangang Zong
   • Franz Hofmann

   Invited Review Pages: 1 - 10

2. G-protein-coupled receptors in normal human erythroid progenitor cells

   • H. Porzig
   • R. Gutknecht
   • K. Thalmeier

   Original Article Pages: 11 - 20

3. Crosstalk between thrombin and adenylyl cyclase-stimulating agonists in proliferating human erythroid progenitor cells

   • H. Porzlg
   • R. Gutknecht
   • K. Thalmeler

   Original Article Pages: 21 - 27

4. Blockade of human and porcine myocardial 5-HT₄ receptors by SB 203186

   • Stephen G. Parker
   • E. Michael Taylor
   • Alberto J. Kaumann

   Original Article Pages: 28 - 35

5. Mutation of two conserved arginine residues in the glucose transporter GLUT4 supresses transport activity, but not glucose-inhibitable binding of inhibitory ligands

   • Sonja Wandel
   • Annette Schürmann
   • Hans G. Joost

   Original Article Pages: 36 - 41

6. Lead-induced blockade of kainate-sensitive receptor channels

   • Ulrich Mußhoff
   • Michael Madeja
   • Erwin-Josef Speckmann

   Original Article Pages: 42 - 45

7. Kainate receptors are involved in the glutamate-induced indirect, purinergic inhibition of [³H]-noradrenaline release in rabbit brain cortex

   • Ivar von Kugelgen
   • Klaus Starke

   Original Article Pages: 46 - 54

8. Characterization of 5-hydroxytryptamine release from isolated rabbit and rat trachea: the role of neuroendocrine epithelial cells and mast cells

   • Anke Freitag
   • Ignaz Wessler
   • Kurt Racké

   Original Article Pages: 55 - 63

9. Inhibition of pacemaker current by the bradycardic agent ZD 7288 is lost use-dependently in sheep cardiac Purkinje fibres

   • F. Berger
   • U. Borchard
   • T.M. Weis

   Original Article Pages: 64 - 72

10. Interaction of class III antiarrhythmic drugs with muscarinic M₂ and M₃ receptors: radioligand binding and functional studies

    • Hiroko Uemura
    • Yukio Hara
    • Haruaki Nakaya

    Original Article Pages: 73 - 79

11. The ryanodine binding sarcoplasmic reticulum calcium release channel in nonfailing and in failing human myocardium

    • Carlos Schumacher
    • Bernd Königs
    • Peter Hanrath

    Original Article Pages: 80 - 85

12. Ba²⁺ differentially inhibits the Rb⁺ efflux promoting and the vasorelaxant effects of levcromakalim and minoxidil sulfate in rat isolated aorta

    • Ulrich Quast
    • Yves Baumlin
    • Cornelia Löffler

    Original Article Pages: 86 - 93

13. Effects of mibefradil on intracellular Ca²⁺ release in cultured rat cardiac fibroblasts and human platelets

    • Marc Eberhard
    • Koichi Miyagawa
    • Paul Erne

    Original Article Pages: 94 - 101

14. The inhibitory modulation of guinea-pig intestinal peristalsis caused by capsaicin involves calcitonin gene-related peptide and nitric oxide

    • Loránd Barthó
    • Peter Holzer

    Original Article Pages: 102 - 109

15. Chronic oral nicotine administration affects the circadian rhythm of dopamine and 5-hydroxytryptamine metabolism in the striata of mice

    • Kirsi Pietilä
    • Into Laakso
    • Liisa Ahtee

    Original Article Pages: 110 - 115

16. Cytochromes of the P450 2C subfamily are the major enzymes involved in the O-demethylation of verapamil in humans

    • Dagmar Busse
    • Jose Cosme
    • M. Eichelbaum

    Original Article Pages: 116 - 121