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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.
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.
Tocris offers the following scientific literature for Histamine Receptors to showcase our products. We invite you to request* or download your copy today!
*Please note that Tocris will only send literature to established scientific business / institute addresses.
|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|
VUF 8430 (2494)
ROS 234 (2034)
JNJ 10191584 (2441)
* Displays partial agonist effects
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.