1. Editorial

   • Manfred Göthert
   • Karl H. Jakobs

   EditorialNotes Pages: 1 - 1

2. Pharmacological profiles of a novel α₁-adrenoceptor agonist, PNO-49 B, at α₁-adrenoceptor subtypes

   • Ikunobu Muramatsu
   • Tsuyoshi Ohmura
   • Shigeru Kigoshi

   Original Article Pages: 2 - 9

3. Agmatine recognizes α₂-adrenoceptor binding sites but neither activates nor inhibits α₂-adrenoceptors

   • D. Pinthong
   • I. K. Wright
   • V. G. Wilson

   Original Article Pages: 10 - 16

4. Evidence for the presence of a non-catecholamine, clonidine-displacing substance in crude, methanolic extracts of bovine brain and lung

   • G. Singh
   • J. F. Hussain
   • V. G. Wilson

   Original Article Pages: 17 - 26

5. Chronic muscarinic cholinoceptor stimulation increases adenylyl cyclase responsiveness in rat cardiomyocytes by a decrease in the level of inhibitory G-protein α-subunits

   • C. Reithmann
   • K. Werdan

   Original Article Pages: 27 - 34

6. 5-Hydroxytryptamine 5-HT_1B receptors inhibiting cyclic AMP accumulation in rat renal mesangial cells

   • P. Schoeffter
   • J. Pfeilschifter
   • I. Bobirnac

   Original Article Pages: 35 - 39

7. Evidence for a direct interaction of thapsigargin with voltage-dependent Ca²⁺ channel

   • Vitaly Buryi
   • Nicole Morel
   • Théophile Godfraind

   Original Article Pages: 40 - 45

8. Prostanoid receptors of the EP₃ subtype mediate the inhibitory effect of prostaglandin E₂ on noradrenaline release in the mouse brain cortex

   • Hans Juha Exner
   • Eberhard Schlicker

   Original Article Pages: 46 - 52

9. Okadaic acid modulates exocytotic and transporter-dependent release of dopamine in bovine retina in vitro

   • O. Bugnon
   • S. Ofori
   • M. Schorderet

   Original Article Pages: 53 - 59

10. Electrically-evoked release of taurine in the rat vas deferens: evidence for a purinoceptor-mediated effect

    • Gloria Queiroz
    • Jorge Gonçalves
    • Pedro Vale

    Original Article Pages: 60 - 66

11. Processing of tetanus and botulinum A neurotoxins in isolated chromaffin cells

    • E. Erdal
    • F. Bartels
    • Jürgen Frevert

    Original Article Pages: 67 - 78

12. Propagation of impulses in the guinea-pig ureter and its blockade by calcitonin gene-related peptide (CGRP)

    • Stefania Meini
    • Paolo Santicioli
    • Carlo Alberto Maggi

    Original Article Pages: 79 - 86

13. Involvement of opioid receptors in N-Methyl-d-aspartate-induced arterial hypertension in periaqueductal gray matter

    • Sabatino Maione
    • Juan Leyva
    • Francesco Rossi

    Original Article Pages: 87 - 92

14. Prilocaine elimination by isolated perfused rat lung and liver

    • W. P. Geng
    • M. Ebke
    • H. Foth

    Original Article Pages: 93 - 98

15. Pulmonary uptake of bupivacaine in isolated perfused rat lung

    • H. Foth
    • W. P. Geng
    • F. Vetterlein

    Original Article Pages: 99 - 106

16. Two relaxation-mediating P₂-purinoceptors in guinea-pig taenia caeci

    • Oliver Dudeck
    • Ralph Bültmann
    • Klaus Starke

    Short Communication Pages: 107 - 110