title: Histamine methyltransferase: inhibition and potentiation by antihistamines.
mesh_terms: D000613:Aminobutyrates / Q000378:metabolism; D000818:Animals; D001921:Brain / Q000201:enzymology; D002395:Catecholamines / Q000378:metabolism; D003342:Corpus Striatum / Q000166:cytology; D004155:Diphenhydramine / Q000494:pharmacology; D004336:Drug Antagonism; D004357:Drug Synergism; D004789:Enzyme Activation / Q000187:drug effects; D006168:Guinea Pigs; D006632:Histamine; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D007031:Hypothalamus / Q000166:cytology; D066298:In Vitro Techniques; D007700:Kinetics; D008297:Male; D008780:Methyltransferases / Q000037:antagonists & inhibitors / Q000378:metabolism*; D051379:Mice; D008815:Mice, Inbred Strains; D009994:Osmolar Concentration; D010640:Phenothiazines / Q000494:pharmacology; D051381:Rats; D012701:Serotonin / Q000378:metabolism; D009435:Synaptic Transmission / Q000187:drug effects; D013574:Synaptosomes / Q000187:drug effects / Q000378:metabolism
chemical_list: D000613:Aminobutyrates; D002395:Catecholamines; D006634:Histamine H1 Antagonists; D010640:Phenothiazines; D012701:Serotonin; D006632:Histamine; D004155:Diphenhydramine; D008780:Methyltransferases