A histamine agonist is a drug which causes increased activity at one or more of the four
ee also
*
External links
*
*
Wikimedia Foundation. 2010.
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 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 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
Nicotinic agonist — A nicotinic agonist is a drug which enhances the action at the nicotinic acetylcholine receptor (nAChR). Examples include: nicotine (by definition the nicotinic acetylcholine receptor is named for its affinity for nicotine) acetylcholine, the… … Wikipedia
Dopamine agonist — Dopamine A dopamine agonist is a compound that activates dopamine receptors in the absence of dopamine. Dopamine agonists activate signaling pathways through the dopamine receptor and trimeric G proteins, ultimately leading to changes in gene… … Wikipedia
Muscarinic agonist — Muscarine A muscarinic receptor agonist is an agent that enhances the activity of the muscarinic acetylcholine receptor. The muscarinic receptor has different subtypes, labelled M1 M5, allowing for further differentiation. Contents 1 Clinical… … Wikipedia
Inverse agonist — In pharmacology, an inverse agonist is an agent which binds to the same receptor binding site as an agonist for that receptor and reverses constitutive activity of receptors. [cite journal |author=Kenakin T |title=Principles: receptor theory in… … Wikipedia
Methimepip — IUPAC name 4 (1H imidazol 4 ylmethyl) 1 methylpiperidine … Wikipedia
4-Methylhistamine — chembox new ImageFile=4 Methylhistamine.png ImageSize=220px IUPACName=2 (5 methyl 1H imidazol 4 yl)ethanamine OtherNames= Section1=Chembox Identifiers CASNo=36507 31 0 PubChem=37463 SMILES=CC1=C(N=CN1)CCN MeSHName=4 methylhistamine… … Wikipedia
2-Pyridylethylamine — chembox new ImageFile=2 Pyridylethylamine.png ImageSize=220px IUPACName=2 (2 pyridyl)ethanamine OtherNames= Section1=Chembox Identifiers CASNo=2706 56 1 PubChem=75919 SMILES=C1=CC=NC(=C1)CCN MeSHName=2 (2 aminoethyl)pyridine Section2=Chembox… … Wikipedia
