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Histamine Receptors

Histamine is a monoamine signaling molecule that acts via four G-protein-coupled histamine receptors; H1, H2, H3 and H4. Histamine mediates numerous biological activities stimulated by various immunological and non-immunological stimuli, through differential expression of H1-4 on effector cells, such as mast cells and basophils.

Targets
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Receptor Data

Histamine Receptor Target Files

Related Targets

    Histamine has a critical role in immumomodulation and allergic diseases. Other biological activities include cell proliferation, differentiation, hematopoiesis, embryonic development, regeneration, wound healing, aminergic neurotransmission, secretion of pituitary hormones and regulation of gastrointestinal and circulatory functions.

    Literature for Histamine Receptors

    Tocris offers the following scientific literature for Histamine Receptors to showcase our products. We invite you to request* your copy today!

    *Please note that Tocris will only send literature to established scientific business / institute addresses.

    Histamine Receptors Scientific Review

    Histamine Receptors Scientific Review

    Written by Iwan de Esch and Rob Leurs, this review provides a synopsis of the different histamine receptor subtypes and the ligands that act upon them; compounds available from Tocris are listed.

    Histamine Receptor Data

    Receptor Subtype H1 H2 H3 H4
    G protein Gq/11 Gs Gi/o Gi/o
    Transduction Mechanism ↑PLC ↑cAMP ↓cAMP ↓cAMP
    Localization CNS, smooth muscle from airways, gastrointestinal tract, genitourinary system, and the cardiovascular system, adrenal medulla, endothelial cells, lymphocytes Stomach, uterus, vascular smooth muscle, neutrophils, heart, CNS CNS, peripheral nerves, heart, lungs, gastrointestinal tract, endothelial cells Bone marrow and leukocytes
    Likely Physiological Roles Smooth muscle contraction, food intake, sleep-wakefulness Gastric acid secretion, smooth muscle relaxation, modulation of the sinua rhythm Presynaptic autoreceptors Mast cell chemotaxis
    Example Agonists HTMT (0646)
    2-Pyridylethylamine (2478)     		Amthamine (0668)
    Dimaprit (0506)     		Imetit (0729)
    Immepip (0932)
    Immethridine (2315)
    R-(-)-α-Methylhistamine (0569)
    Methimepip (2947)     		Clobenpropit (0752)*
    Imetit (0729)
    Immepip (0932)
    4-Methylhistamine (2342)
    VUF 8430 (2494)
    Example Antagonists Clemastine (1453)
    Fexofenadine (2429)
    Mepyramine (0660)
    Triprolidine (0662)
    Cetirizine (2577)
    Diphenhydramine (3072)     		Aminopotentidine (0721)
    Cimetidine (0902)
    Ranitidine (1967)
    Tiotidine (0826)
    Zolantidine (1070)     		Clobenpropit (0752)
    Iodophenpropit (0779)
    Thioperamide (0644)
    ROS 234 (2034)     		Thioperamide (0644)
    JNJ 10191584 (2441)

    * Displays partial agonist effects

    References

    Leurs and Timmmerman (1997) Histamine receptors. Tocris Reviews. No. 6. Hill et al (1997) Internation union of pharmacology. XIII. Classification of histamine receptors. Pharmacol.Rev. 49 253. Leurs et al (2001) Histamine receptors are finally 'coming out'. TiPS 22 337. Schneider et al (2002) Trends in histamine research: new functions during immune responses and hematopoiesis. Trends Immunol. 23 255.