1. News and views

   News Pages: i - ii

2. Diary

   Events Pages: v - v

3. Effects of three inhibitors of nitric oxide synthase on host resistance to bacterial infection

   • K. Fukatsu
   • H. Saito
   • T. Muto

   Original Research Papers Pages: 109 - 112

4. Mitoxantrone induces nonimmunological histamine release from rat mast cells

   • M. D. Estévez
   • M. R. Vieytes
   • L. M. Botana

   Original Research Papers Pages: 113 - 117

5. Histamine forming capacity (HFC) and its modulation by H₃ receptor ligands in a model of bronchial hyper-responsiveness

   • M. C. Allen
   • P. Graham
   • G. Morris

   Original Research Papers Pages: 118 - 122

6. Lack of a role for bradykinin in allergen-induced airway microvascular leakage and bronchoconstriction in the guinea pig

   • T. Sakamoto
   • P. J. Barnes
   • K. Fan Chung

   Original Research Papers Pages: 123 - 126

7. Reconstitution of chemokine-induced actin polymerization in undifferentiated human leukemia cells (HL-60) by heterologous expression of interleukin-8 receptors

   • J. Norgauer
   • B. Metzner
   • I. Schraufstatter

   Original Research Papers Pages: 127 - 131

8. The distribution of carnosine and related dipeptides in rat and human tissues

   • M. C. Jackson
   • J. F. Lenney

   Original Research Papers Pages: 132 - 135

9. TNF-α participates in an IgE-mediated cutaneous reaction in mast cell deficient, WBB6F1-W/W^v mice

   • H. Nagai
   • T. Sakurai
   • N. Inagaki

   Original Research Papers Pages: 136 - 140

10. Changes in histamine and serotonin secretion from rat peritoneal mast cells caused by antidepressants

    • I. Ferjan
    • F. Erjavec

    Original Research Papers Pages: 141 - 144

11. Activity of histamine metabolizing and catabolizing enzymes during reperfusion of isolated, globally ischemic rat hearts

    • G. Valen
    • J. Kaszaki
    • J. Vaage

    Original Research Papers Pages: 145 - 149

12. Effects of metamizol on nociceptive responses to stimulation of the ureter and on ureter motility in anaesthetised rats

    • J. M. A. Laird
    • F. Cervero

    Original Research Papers Pages: 150 - 154