histamine receptors
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Histamine H3 receptor — Histamine H3 receptors are expressed in the central nervous system and to a lesser extent the peripheral nervous system, where they act as autoreceptors in presynaptic histaminergic neurons, and also control histamine turnover by feedback… … Wikipedia
Histamine H1 receptor — The H1 receptor is a histamine receptor, and thus an important target for clinically important drugs, and is likely one of the most important receptors for modulating mammalian circadian cycles. Histamine H1 receptor are metabotropic G protein… … Wikipedia
Histamine H2 receptor — H2 receptors positively coupled to adenylate cyclase via Gs. It is a potent stimulant of cAMP production. It increases the intracellular Ca2+ concentrations and release Ca2+ from intracellular stores. The drug betazole is an example of a… … Wikipedia
Histamine antagonist — A histamine antagonist, commonly referred to as antihistamine, is a pharmaceutical drug that inhibits action of histamine by blocking it from attaching to histamine receptors. Contents 1 Clinical effects 2 Clinical: H1 and H2 receptor antagonists … Wikipedia
histamine — histaminic /his teuh min ik/, adj. /his teuh meen , min/, n. 1. Physiol. a histidine derived amine compound that is released mainly by damaged mast cells in allergic reactions, causing dilation and permeability of blood vessels and lowering blood … Universalium
Histamine receptor — The histamine receptors are a class of G protein coupled receptors with histamine as their endogenous ligand.cite journal | author = Hill SJ, Ganellin CR, Timmerman H, Schwartz JC, Shankley NP, Young JM, Schunack W, Levi R, Haas HL | title =… … Wikipedia
Histamine — Chembox new ImageFile=Histamin Histamine.svg ImageSize= ImageFile2=Histamine3d.png ImageSize2=200px IUPACName=2 (3H imidazol 4 yl)ethanamine OtherNames= Section1= Chembox Identifiers CASNo=51 45 6 PubChem=774 ChemSpiderID = 753… … Wikipedia
Histamine H4 receptor — protein Name=histamine receptor H4 caption= width= HGNCid=17383 Symbol=HRH4 AltSymbols= EntrezGene=59340 OMIM=606792 RefSeq=NM 021624 UniProt=Q9H3N8 PDB= ECnumber= Chromosome=18 Arm=q Band=11.2 LocusSupplementaryData=The histamine H4 receptor is … Wikipedia
Histamine — Substance that plays a major role in many allergic reactions. Histamine dilates blood vessels and makes the vessel walls abnormally permeable. * * * A vasodepressor amine derived from histidine by histidine decarboxylase and present in ergot and… … Medical dictionary
histamine — Formed by decarboxylation of histidine. Potent pharmacological agent acting through receptors in smooth muscle and in secretory systems. Stored in mast cells and released by antigen. (See hypersensitivity). Responsible for the early symptoms of… … Dictionary of molecular biology
