1. Constitutive activity of G-protein-coupled receptors: cause of disease and common property of wild-type receptors

   • Roland Seifert
   • Katharina Wenzel-Seifert

   Review Pages: 381 - 416

2. Differential effects of chronic haloperidol and clozapine administration on glutamatergic transmission in the fronto-parietal cortex in rats: microdialysis and electrophysiological studies

   • Małgorzata Pietraszek
   • Krystyna Gołembiowska
   • Stanislaw Wolfarth

   Original Article Pages: 417 - 424

3. Changes in electrophysiological properties in the prostatic portion of vas deferens from spontaneously hypertensive rats

   • Mònica Guitart
   • Marcel Jiménez
   • Albert Badia

   Original Article Pages: 425 - 430

4. Mg²⁺ efflux from the isolated perfused rabbit heart is mediated by two states of the β₁-adrenergic receptor

   • Lindon Young
   • Andrea Bercute-Dammann
   • Margaret T. Weis

   Original Article Pages: 431 - 439

5. Effects of OR-1896, a metabolite of levosimendan, on force of contraction and Ca²⁺ transients under acidotic condition in aequorin-loaded canine ventricular myocardium

   • Reiko Takahashi
   • Masao Endoh

   Original Article Pages: 440 - 448

6. Activation of adenosine and P2Y receptors by ATP in human peripheral nerve

   • Philip M. Lang
   • David J. Tracey
   • Peter Grafe

   Original Article Pages: 449 - 457

7. Ca²⁺ entry via P/Q-type Ca²⁺ channels and the Na⁺/Ca²⁺ exchanger in rat and human neocortical synaptosomes

   • Klaus Fink
   • Wolfgang P. Meder
   • Manfred Göthert

   Original Article Pages: 458 - 463

8. P2Y receptor activation enhances insulin release from pancreatic β-cells by triggering the cyclic AMP/protein kinase A pathway

   • H. Chevassus
   • A. Roig
   • P. Petit

   Original Article Pages: 464 - 469

9. Partial apamin sensitivity of human small conductance Ca²⁺-activated K⁺ channels stably expressed in Chinese hamster ovary cells

   • T. Dale
   • J. Cryan
   • D. Trezise

   Original Article Pages: 470 - 477

10. Localization of adenosine A_2A-receptors in rat brain with [³H]ZM-241385

    • Edward M. DeMet
    • Aleksandra Chicz-DeMet

    Original Article Pages: 478 - 481

11. Electrophysiological and antiarrhythmic effects of the novel I _Kur channel blockers, S9947 and S20951, on left vs. right pig atrium in vivo in comparison with the I _Kr blockers dofetilide, azimilide, d,l-sotalol and ibutilide

    • Karsten Knobloch
    • Joachim Brendel
    • Klaus J. Wirth

    Original Article Pages: 482 - 487

12. Mechanisms underlying endothelium-dependent, nitric oxide- and prostanoid-independent relaxation in monkey and dog coronary arteries

    • Hideyuki Fujioka
    • Kazuhide Ayajiki
    • Tomio Okamura

    Original Article Pages: 488 - 495

13. Nitric oxide is involved in the relaxant effect of capsaicin in the human sigmoid colon circular muscle

    • L. Barthó
    • R. Benkó
    • Ö. Horváth

    Short Communication Pages: 496 - 500