Inability of rat alveolar macrophages to recycle l-citrulline to l-arginine despite induction of argininosuccinate synthetase mRNA and protein, and inhibition of nitric oxide synthesis by exogenous l-citrulline Rainer HammermannNiclaas BliesenerK. Racké Original article Pages: 601 - 607
Activation of recombinant h 5-HT1B and h 5-HT1D receptors stably expressed in C6 glioma cells produces increases in Ca2+-dependent K+ current Bruno Le GrandAnne PanissiéG. W. John Original article Pages: 608 - 615
Anethole dithiolethione, a putative neuroprotectant, increases intracellular and extracellular glutathione levels during starvation of cultured astroglial cells Ralf DringenBernd HamprechtB. Drukarch Original article Pages: 616 - 622
Ciproxifan and chemically related compounds are highly potent and selective histamine H3-receptor antagonists M. KathmannE. SchlickerW. Schunack Original article Pages: 623 - 627
Comparison of the effects of calmidazolium, morphine and bupivacaine on N-methyl-d-aspartate- and septide-induced nociceptive behaviour Marco Álvarez-VegaA. BaamondeL. Menéndez Original article Pages: 628 - 634
Modulation of the hyperpolarization-activated inward current (If) by antiarrhythmic agents in isolated human atrial myocytes U. C. HoppeDirk J. Beuckelmann Original article Pages: 635 - 640
Inhibitory effects of class I and IV antiarrhythmic drugs on the Na+-activated K+ channel current in guinea pig ventricular cells Katsumi MoriSatoru KobayashiH. Nakaya Original article Pages: 641 - 648
Effects of an antiarrhythmic drug A-2545 on canine ventricular arrhythmia models; comparison with mexiletine and flecainide Y. X. XueJiro AritaK. Hashimoto Original article Pages: 649 - 656
Effect of pituitary adenylate cyclase activating polypeptide 1–27 on ocular, cerebral and skin blood flow in humans G. T. DornerMichael WolztH. G. Eichler Original article Pages: 657 - 662
Vascular responses of isolated mesenteric resistance and basilar arteries from short- and long-term diabetic rats T. Van BurenW. VleemingD. J. De Wildt Original article Pages: 663 - 670
Chronic 17β-estradiol augments relaxant role of basal nitric oxide in blood vessels from rats with heart failure Ali Akbar NekooeianSu Lin LimC. C. Y. Pang Original article Pages: 671 - 677
Involvement of nitric oxide in the potentiation of neurogenic contraction by manganese and nickel ions in mouse urinary bladder S.-H. LiuS.-Y. Lin-Shiau Original article Pages: 678 - 681
ORL1 receptor-mediated inhibition by nociceptin of noradrenaline release from perivascular sympathetic nerve endings of the rat tail artery B. Bucher Short communication Pages: 682 - 685
Endomorphin-1 and endomorphin-2 activate µ-opioid receptors in myenteric neurons of the guinea-pig small intestine M. ToniniE. FioriC. Sternini Short communication Pages: 686 - 689
Dopamine D3 receptor activation modulates renal function in anesthetized rats G. LuippoldEberhard KüsterBernd Mühlbauer Short communication Pages: 690 - 693