1. The tachykinin NK₁ receptor mediates the migration-promoting effect of substance P on human skin fibroblasts in culture

   • A. Parenti
   • S. Amerini
   • M. Ziche

   Original Article Pages: 475 - 481

2. Potencies of antagonists chemically related to iodoproxyfan at histamine H₃ receptors in mouse brain cortex and guinea-pig ileum: evidence for H₃ receptor heterogeneity?

   • E. Schlicker
   • M. Kathmann
   • W. Schunack

   Original Article Pages: 482 - 488

3. Characterization of 5-hydroxytryptamine (5-HT) receptor subtypes influencing colonic motility in conscious dogs

   • Yukinori Nagakura
   • Takeshi Kamato
   • Keiji Miyata

   Original Article Pages: 489 - 498

4. Selective enhancement by an adenosine A₁ receptor agonist of agents inducing contraction of the rat vas deferens

   • V.R. Brownhill
   • S.M.O. Hourani
   • I. Kitchen

   Original Article Pages: 499 - 504

5. Evidence against a regulation of Na⁺/K⁺-ATPase by G_i proteins. Failure to detect an influence of G proteins on Na⁺/Ca²⁺-exchange in cardiac sarcolemmal membranes

   • Roman A. Mura
   • Felix Zeifang
   • Feraydoon Niroomand

   Original Article Pages: 505 - 512

6. Inhibition of T cell cAMP formation by cyclosporin A and FK506

   • Hans M. Ockenfels
   • Stephan N. Wagner
   • Manfred Goos

   Original Article Pages: 513 - 516

7. The impact of a competitive and a non-competitive NMDA receptor antagonist on dopaminergic neurotransmission in the rat ventral tegmental area and substantia nigra

   • Krzysztof Węzony
   • Anna Czyrak
   • Katarzyna Fijal

   Original Article Pages: 517 - 527

8. Evidence for uptake₁-mediated efflux of catecholamines from pulmonary endothelial cells of perfused lungs of rats

   • Nicola N. Westwood
   • Deborah L. Scarcella
   • Lesley J. Bryan-Lluka

   Original Article Pages: 528 - 535

9. Amezinium and debrisoquine are substrates of uptake₁ and potent inhibitors of monoamine oxidase in perfused lungs of rats

   • Lesley J. Bryan-Lluka
   • Hayley Seers
   • Iain Sharpe

   Original Article Pages: 536 - 544

10. Effects of cocaine on the EEG power spectrum of rats are significantly altered after its repeated administration: do they reflect sensitization phenomena?

    • B. Ferger
    • D. Stahl
    • K. Kuschinsky

    Original Article Pages: 545 - 551

11. Effects of antimigraine drugs on retinal spreading depression

    • Meike Wiedemann
    • Vera M. Fernandes de Lima
    • Wolfgang Hanke

    Original Article Pages: 552 - 556

12. No evidence for functional imidazoline receptors on locus coeruleus neurons

    • Bela Szabo
    • Rainer Fröhlich
    • Peter Illes

    Original Article Pages: 557 - 563

13. Opposite modulation of noradrenaline and ATP release in guinea-pig vas deferens through prejunctional β-adrenoceptors: evidence for the β₂ subtype

    • Bernd Driessen
    • Ralph Bültmann
    • Klaus Starke

    Original Article Pages: 564 - 571

14. Inhibitory effects of propofol on catecholamine secretion and uptake in cultured bovine adrenal medullary cells

    • Kouichiro Minami
    • Nobuyuki Yanagihara
    • Futoshi Izumi

    Original Article Pages: 572 - 578

15. Homogeneous or heterogeneous distribution of systemically administered adrenaline: organ dependence

    • Fernando Brandio
    • Maria Quitéria Paiva
    • Serafim Guimarães

    Original Article Pages: 579 - 583

16. Contraction and relaxation of aortas from diabetic rats: effects of chronic anti-oxidant and aminoguanidine treatments

    • V. Archibald
    • M.A. Cotter
    • N.E. Cameron

    Original Article Pages: 584 - 591

17. Comparison of the densities of 5-HT₄ receptors, β₁- and β₂-adrenoceptors in human atrium: functional implications

    • Alberto J. Kaumann
    • James A. Lynham
    • Anthony M. Brown

    Short Communication Pages: 592 - 595

18. Differential requirements for Ca²⁺ concentrations for catecholamine release and biosynthesis in isolated bovine adrenal chromaffin cells

    • Hitoshi Houchi
    • Masanori Yoshizumi
    • Motoo Oka

    Short Communication Pages: 596 - 598